199 files changed, 84860 insertions, 0 deletions

diff --git a/includes/.htaccess b/includes/.htaccess
new file mode 100644
index 00000000..3a428827
--- /dev/null
+++ b/includes/.htaccess
@@ -0,0 +1 @@
+Deny from all
diff --git a/includes/AjaxDispatcher.php b/includes/AjaxDispatcher.php
new file mode 100644
index 00000000..2084c366
--- /dev/null
+++ b/includes/AjaxDispatcher.php
@@ -0,0 +1,83 @@
+<?php
+
+//$wgRequestTime = microtime();
+
+// unset( $IP );
+// @ini_set( 'allow_url_fopen', 0 ); # For security...
+
+# Valid web server entry point, enable includes.
+# Please don't move this line to includes/Defines.php. This line essentially defines
+# a valid entry point. If you put it in includes/Defines.php, then any script that includes
+# it becomes an entry point, thereby defeating its purpose.
+// define( 'MEDIAWIKI', true );
+// require_once( './includes/Defines.php' );
+// require_once( './LocalSettings.php' );
+// require_once( 'includes/Setup.php' );
+require_once( 'AjaxFunctions.php' );
+
+if ( ! $wgUseAjax ) {
+	die( 1 );
+}
+
+class AjaxDispatcher {
+	var $mode;
+	var $func_name;
+	var $args;
+
+	function AjaxDispatcher() {
+		global $wgAjaxCachePolicy;
+
+		wfProfileIn( 'AjaxDispatcher::AjaxDispatcher' );
+
+		$wgAjaxCachePolicy = new AjaxCachePolicy();
+
+		$this->mode = "";
+
+		if (! empty($_GET["rs"])) {
+			$this->mode = "get";
+		}
+
+		if (!empty($_POST["rs"])) {
+			$this->mode = "post";
+		}
+
+		if ($this->mode == "get") {
+			$this->func_name = $_GET["rs"];
+			if (! empty($_GET["rsargs"])) {
+				$this->args = $_GET["rsargs"];
+			} else {
+				$this->args = array();
+			}
+		} else {
+			$this->func_name = $_POST["rs"];
+			if (! empty($_POST["rsargs"])) {
+				$this->args = $_POST["rsargs"];
+			} else {
+				$this->args = array();
+			}
+		}
+		wfProfileOut( 'AjaxDispatcher::AjaxDispatcher' );
+	}
+
+	function performAction() {
+		global $wgAjaxCachePolicy, $wgAjaxExportList;
+		if ( empty( $this->mode ) ) {
+			return;
+		}
+		wfProfileIn( 'AjaxDispatcher::performAction' );
+
+		if (! in_array( $this->func_name, $wgAjaxExportList ) ) {
+			echo "-:{$this->func_name} not callable";
+		} else {
+			echo "+:";
+			$result = call_user_func_array($this->func_name, $this->args);
+			header( 'Content-Type: text/html; charset=utf-8', true );
+			$wgAjaxCachePolicy->writeHeader();
+			echo $result;
+		}
+		wfProfileOut( 'AjaxDispatcher::performAction' );
+		exit;
+	}
+}
+
+?>
diff --git a/includes/AjaxFunctions.php b/includes/AjaxFunctions.php
new file mode 100644
index 00000000..4387a607
--- /dev/null
+++ b/includes/AjaxFunctions.php
@@ -0,0 +1,157 @@
+<?php
+
+if( !defined( 'MEDIAWIKI' ) )
+        die( 1 );
+
+require_once('WebRequest.php');
+
+/**
+ * Function converts an Javascript escaped string back into a string with
+ * specified charset (default is UTF-8).
+ * Modified function from http://pure-essence.net/stuff/code/utf8RawUrlDecode.phps
+ *
+ * @param $source String escaped with Javascript's escape() function
+ * @param $iconv_to String destination character set will be used as second paramether in the iconv function. Default is UTF-8.
+ * @return string
+ */
+function js_unescape($source, $iconv_to = 'UTF-8') {
+   $decodedStr = '';
+   $pos = 0;
+   $len = strlen ($source);
+   while ($pos < $len) {
+       $charAt = substr ($source, $pos, 1);
+       if ($charAt == '%') {
+           $pos++;
+           $charAt = substr ($source, $pos, 1);
+           if ($charAt == 'u') {
+               // we got a unicode character
+               $pos++;
+               $unicodeHexVal = substr ($source, $pos, 4);
+               $unicode = hexdec ($unicodeHexVal);
+               $decodedStr .= code2utf($unicode);
+               $pos += 4;
+           }
+           else {
+               // we have an escaped ascii character
+               $hexVal = substr ($source, $pos, 2);
+               $decodedStr .= chr (hexdec ($hexVal));
+               $pos += 2;
+           }
+       }
+       else {
+           $decodedStr .= $charAt;
+           $pos++;
+       }
+   }
+
+   if ($iconv_to != "UTF-8") {
+       $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
+   }
+  
+   return $decodedStr;
+}
+
+/**
+ * Function coverts number of utf char into that character.
+ * Function taken from: http://sk2.php.net/manual/en/function.utf8-encode.php#49336
+ *
+ * @param $num Integer
+ * @return utf8char
+ */
+function code2utf($num){
+   if ( $num<128 )
+   	return chr($num);
+   if ( $num<2048 )
+   	return chr(($num>>6)+192).chr(($num&63)+128);
+   if ( $num<65536 )
+   	return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128);
+   if ( $num<2097152 )
+   	return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128) .chr(($num&63)+128);
+   return '';
+}
+
+class AjaxCachePolicy {
+	var $policy;
+
+	function AjaxCachePolicy( $policy = null ) {
+		$this->policy = $policy;
+	}
+
+	function setPolicy( $policy ) {
+		$this->policy = $policy;
+	}
+
+	function writeHeader() {
+		header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
+		if ( is_null( $this->policy ) ) {
+			// Bust cache in the head
+			header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");    // Date in the past
+			// always modified
+			header ("Cache-Control: no-cache, must-revalidate");  // HTTP/1.1
+			header ("Pragma: no-cache");                          // HTTP/1.0
+		} else {
+			header ("Expires: " . gmdate( "D, d M Y H:i:s", time() + $this->policy ) . " GMT");
+			header ("Cache-Control: s-max-age={$this->policy},public,max-age={$this->policy}");
+		}
+	}
+}
+			
+
+function wfSajaxSearch( $term ) {
+	global $wgContLang, $wgAjaxCachePolicy, $wgOut;
+	$limit = 16;
+	
+	$l = new Linker;
+
+	$term = str_replace( ' ', '_', $wgContLang->ucfirst( 
+			$wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) )
+		) );
+
+	if ( strlen( str_replace( '_', '', $term ) )<3 )
+		return;
+
+	$wgAjaxCachePolicy->setPolicy( 30*60 );
+
+	$db =& wfGetDB( DB_SLAVE );
+	$res = $db->select( 'page', 'page_title',
+			array(  'page_namespace' => 0,
+				"page_title LIKE '". $db->strencode( $term) ."%'" ),
+				"wfSajaxSearch",
+				array( 'LIMIT' => $limit+1 )
+			);
+
+	$r = "";
+
+	$i=0;
+	while ( ( $row = $db->fetchObject( $res ) ) && ( ++$i <= $limit ) ) {
+		$nt = Title::newFromDBkey( $row->page_title );
+		$r .= '<li>' . $l->makeKnownLinkObj( $nt ) . "</li>\n";
+	}
+	if ( $i > $limit ) {
+		$more = '<i>' .  $l->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
+		                                wfMsg('moredotdotdot'),
+		                                "namespace=0&from=" . wfUrlEncode ( $term ) ) .
+			'</i>';
+	} else {
+		$more = '';
+	}
+
+	$subtitlemsg = ( Title::newFromText($term) ? 'searchsubtitle' : 'searchsubtitleinvalid' );
+	$subtitle = $wgOut->parse( wfMsg( $subtitlemsg, wfEscapeWikiText($term) ) );
+
+	$term = htmlspecialchars( $term );
+	return '<div style="float:right; border:solid 1px black;background:gainsboro;padding:2px;"><a onclick="Searching_Hide_Results();">' 
+		. wfMsg( 'hideresults' ) . '</a></div>'
+		. '<h1 class="firstHeading">'.wfMsg('search')
+		. '</h1><div id="contentSub">'. $subtitle . '</div><ul><li>'
+		. $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
+					wfMsg( 'searchcontaining', $term ),
+					"search=$term&fulltext=Search" )
+		. '</li><li>' . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
+					wfMsg( 'searchnamed', $term ) ,
+					"search=$term&go=Go" )
+		. "</li></ul><h2>" . wfMsg( 'articletitles', $term ) . "</h2>"
+		. '<ul>' .$r .'</ul>'.$more;
+}
+
+?>
diff --git a/includes/Article.php b/includes/Article.php
new file mode 100644
index 00000000..b1e1f620
--- /dev/null
+++ b/includes/Article.php
@@ -0,0 +1,2575 @@
+<?php
+/**
+ * File for articles
+ * @package MediaWiki
+ */
+
+/**
+ * Need the CacheManager to be loaded
+ */
+require_once( 'CacheManager.php' );
+
+/**
+ * Class representing a MediaWiki article and history.
+ *
+ * See design.txt for an overview.
+ * Note: edit user interface and cache support functions have been
+ * moved to separate EditPage and CacheManager classes.
+ *
+ * @package MediaWiki
+ */
+class Article {
+	/**@{{
+	 * @private
+	 */
+	var $mComment;			//!<
+	var $mContent;			//!<
+	var $mContentLoaded;	//!<
+	var $mCounter;			//!<
+	var $mForUpdate;		//!<
+	var $mGoodAdjustment;	//!<
+	var $mLatest;			//!<
+	var $mMinorEdit;		//!<
+	var $mOldId;			//!<
+	var $mRedirectedFrom;	//!<
+	var $mRedirectUrl;		//!<
+	var $mRevIdFetched;		//!<
+	var $mRevision;			//!<
+	var $mTimestamp;		//!<
+	var $mTitle;			//!<
+	var $mTotalAdjustment;	//!<
+	var $mTouched;			//!<
+	var $mUser;				//!<
+	var $mUserText;			//!<
+	/**@}}*/
+
+	/**
+	 * Constructor and clear the article
+	 * @param $title Reference to a Title object.
+	 * @param $oldId Integer revision ID, null to fetch from request, zero for current
+	 */
+	function Article( &$title, $oldId = null ) {
+		$this->mTitle =& $title;
+		$this->mOldId = $oldId;
+		$this->clear();
+	}
+	
+	/**
+	 * Tell the page view functions that this view was redirected
+	 * from another page on the wiki.
+	 * @param $from Title object.
+	 */
+	function setRedirectedFrom( $from ) {
+		$this->mRedirectedFrom = $from;
+	}
+	
+	/**
+	 * @return mixed false, Title of in-wiki target, or string with URL
+	 */
+	function followRedirect() {
+		$text = $this->getContent();
+		$rt = Title::newFromRedirect( $text );
+		
+		# process if title object is valid and not special:userlogout
+		if( $rt ) {
+			if( $rt->getInterwiki() != '' ) {
+				if( $rt->isLocal() ) {
+					// Offsite wikis need an HTTP redirect.
+					//
+					// This can be hard to reverse and may produce loops,
+					// so they may be disabled in the site configuration.
+					
+					$source = $this->mTitle->getFullURL( 'redirect=no' );
+					return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
+				}
+			} else {
+				if( $rt->getNamespace() == NS_SPECIAL ) {
+					// Gotta hand redirects to special pages differently:
+					// Fill the HTTP response "Location" header and ignore
+					// the rest of the page we're on.
+					//
+					// This can be hard to reverse, so they may be disabled.
+					
+					if( $rt->getNamespace() == NS_SPECIAL && $rt->getText() == 'Userlogout' ) {
+						// rolleyes
+					} else {
+						return $rt->getFullURL();
+					}
+				}
+				return $rt;
+			}
+		}
+		
+		// No or invalid redirect
+		return false;
+	}
+
+	/**
+	 * get the title object of the article
+	 */
+	function getTitle() {
+		return $this->mTitle;
+	}
+
+	/**
+	  * Clear the object
+	  * @private
+	  */
+	function clear() {
+		$this->mDataLoaded    = false;
+		$this->mContentLoaded = false;
+
+		$this->mCurID = $this->mUser = $this->mCounter = -1; # Not loaded
+		$this->mRedirectedFrom = null; # Title object if set
+		$this->mUserText =
+		$this->mTimestamp = $this->mComment = '';
+		$this->mGoodAdjustment = $this->mTotalAdjustment = 0;
+		$this->mTouched = '19700101000000';
+		$this->mForUpdate = false;
+		$this->mIsRedirect = false;
+		$this->mRevIdFetched = 0;
+		$this->mRedirectUrl = false;
+		$this->mLatest = false;
+	}
+
+	/**
+	 * Note that getContent/loadContent do not follow redirects anymore.
+	 * If you need to fetch redirectable content easily, try
+	 * the shortcut in Article::followContent()
+	 * FIXME
+	 * @todo There are still side-effects in this!
+	 *        In general, you should use the Revision class, not Article,
+	 *        to fetch text for purposes other than page views.
+	 *
+	 * @return Return the text of this revision
+	*/
+	function getContent() {
+		global $wgRequest, $wgUser, $wgOut;
+
+		wfProfileIn( __METHOD__ );
+
+		if ( 0 == $this->getID() ) {
+			wfProfileOut( __METHOD__ );
+			$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+			if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+				$ret = wfMsgWeirdKey ( $this->mTitle->getText() ) ;
+			} else {
+				$ret = wfMsg( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon' );
+			}
+
+			return "<div class='noarticletext'>$ret</div>";
+		} else {
+			$this->loadContent();
+			wfProfileOut( __METHOD__ );
+			return $this->mContent;
+		}
+	}
+
+	/**
+	 * This function returns the text of a section, specified by a number ($section).
+	 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
+	 * the first section before any such heading (section 0).
+	 *
+	 * If a section contains subsections, these are also returned.
+	 *
+	 * @param $text String: text to look in
+	 * @param $section Integer: section number
+	 * @return string text of the requested section
+	 * @deprecated
+	 */
+	function getSection($text,$section) {
+		global $wgParser;
+		return $wgParser->getSection( $text, $section );
+	}
+
+	/**
+	 * @return int The oldid of the article that is to be shown, 0 for the
+	 *             current revision
+	 */
+	function getOldID() {
+		if ( is_null( $this->mOldId ) ) {
+			$this->mOldId = $this->getOldIDFromRequest();
+		}
+		return $this->mOldId;
+	}
+
+	/**
+	 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
+	 *
+	 * @return int The old id for the request
+	 */
+	function getOldIDFromRequest() {
+		global $wgRequest;
+		$this->mRedirectUrl = false;
+		$oldid = $wgRequest->getVal( 'oldid' );
+		if ( isset( $oldid ) ) {
+			$oldid = intval( $oldid );
+			if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
+				$nextid = $this->mTitle->getNextRevisionID( $oldid );
+				if ( $nextid  ) {
+					$oldid = $nextid;
+				} else {
+					$this->mRedirectUrl = $this->mTitle->getFullURL( 'redirect=no' );
+				}
+			} elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
+				$previd = $this->mTitle->getPreviousRevisionID( $oldid );
+				if ( $previd ) {
+					$oldid = $previd;
+				} else {
+					# TODO
+				}
+			}
+			# unused:
+			# $lastid = $oldid;
+		}
+
+		if ( !$oldid ) {
+			$oldid = 0;
+		}
+		return $oldid;
+	}
+
+	/**
+	 * Load the revision (including text) into this object
+	 */
+	function loadContent() {
+		if ( $this->mContentLoaded ) return;
+
+		# Query variables :P
+		$oldid = $this->getOldID();
+
+		# Pre-fill content with error message so that if something
+		# fails we'll have something telling us what we intended.
+
+		$t = $this->mTitle->getPrefixedText();
+
+		$this->mOldId = $oldid;
+		$this->fetchContent( $oldid );
+	}
+
+
+	/**
+	 * Fetch a page record with the given conditions
+	 * @param Database $dbr
+	 * @param array    $conditions
+	 * @private
+	 */
+	function pageData( &$dbr, $conditions ) {
+		$fields = array(
+				'page_id',
+				'page_namespace',
+				'page_title',
+				'page_restrictions',
+				'page_counter',
+				'page_is_redirect',
+				'page_is_new',
+				'page_random',
+				'page_touched',
+				'page_latest',
+				'page_len' ) ;
+		wfRunHooks( 'ArticlePageDataBefore', array( &$this , &$fields ) )	;
+		$row = $dbr->selectRow( 'page',
+			$fields,
+			$conditions,
+			'Article::pageData' );
+		wfRunHooks( 'ArticlePageDataAfter', array( &$this , &$row ) )	;
+		return $row ;
+	}
+
+	/**
+	 * @param Database $dbr
+	 * @param Title $title
+	 */
+	function pageDataFromTitle( &$dbr, $title ) {
+		return $this->pageData( $dbr, array(
+			'page_namespace' => $title->getNamespace(),
+			'page_title'     => $title->getDBkey() ) );
+	}
+
+	/**
+	 * @param Database $dbr
+	 * @param int $id
+	 */
+	function pageDataFromId( &$dbr, $id ) {
+		return $this->pageData( $dbr, array( 'page_id' => $id ) );
+	}
+
+	/**
+	 * Set the general counter, title etc data loaded from
+	 * some source.
+	 *
+	 * @param object $data
+	 * @private
+	 */
+	function loadPageData( $data = 'fromdb' ) {
+		if ( $data === 'fromdb' ) {
+			$dbr =& $this->getDB();
+			$data = $this->pageDataFromId( $dbr, $this->getId() );
+		}
+			
+		$lc =& LinkCache::singleton();
+		if ( $data ) {
+			$lc->addGoodLinkObj( $data->page_id, $this->mTitle );
+
+			$this->mTitle->mArticleID = $data->page_id;
+			$this->mTitle->loadRestrictions( $data->page_restrictions );
+			$this->mTitle->mRestrictionsLoaded = true;
+
+			$this->mCounter     = $data->page_counter;
+			$this->mTouched     = wfTimestamp( TS_MW, $data->page_touched );
+			$this->mIsRedirect  = $data->page_is_redirect;
+			$this->mLatest      = $data->page_latest;
+		} else {
+			if ( is_object( $this->mTitle ) ) {
+				$lc->addBadLinkObj( $this->mTitle );
+			}
+			$this->mTitle->mArticleID = 0;
+		}
+
+		$this->mDataLoaded  = true;
+	}
+
+	/**
+	 * Get text of an article from database
+	 * Does *NOT* follow redirects.
+	 * @param int $oldid 0 for whatever the latest revision is
+	 * @return string
+	 */
+	function fetchContent( $oldid = 0 ) {
+		if ( $this->mContentLoaded ) {
+			return $this->mContent;
+		}
+
+		$dbr =& $this->getDB();
+
+		# Pre-fill content with error message so that if something
+		# fails we'll have something telling us what we intended.
+		$t = $this->mTitle->getPrefixedText();
+		if( $oldid ) {
+			$t .= ',oldid='.$oldid;
+		}
+		$this->mContent = wfMsg( 'missingarticle', $t ) ;
+
+		if( $oldid ) {
+			$revision = Revision::newFromId( $oldid );
+			if( is_null( $revision ) ) {
+				wfDebug( __METHOD__." failed to retrieve specified revision, id $oldid\n" );
+				return false;
+			}
+			$data = $this->pageDataFromId( $dbr, $revision->getPage() );
+			if( !$data ) {
+				wfDebug( __METHOD__." failed to get page data linked to revision id $oldid\n" );
+				return false;
+			}
+			$this->mTitle = Title::makeTitle( $data->page_namespace, $data->page_title );
+			$this->loadPageData( $data );
+		} else {
+			if( !$this->mDataLoaded ) {
+				$data = $this->pageDataFromTitle( $dbr, $this->mTitle );
+				if( !$data ) {
+					wfDebug( __METHOD__." failed to find page data for title " . $this->mTitle->getPrefixedText() . "\n" );
+					return false;
+				}
+				$this->loadPageData( $data );
+			}
+			$revision = Revision::newFromId( $this->mLatest );
+			if( is_null( $revision ) ) {
+				wfDebug( __METHOD__." failed to retrieve current page, rev_id {$data->page_latest}\n" );
+				return false;
+			}
+		}
+
+		// FIXME: Horrible, horrible! This content-loading interface just plain sucks.
+		// We should instead work with the Revision object when we need it...
+		$this->mContent = $revision->userCan( Revision::DELETED_TEXT ) ? $revision->getRawText() : "";
+		//$this->mContent   = $revision->getText();
+
+		$this->mUser      = $revision->getUser();
+		$this->mUserText  = $revision->getUserText();
+		$this->mComment   = $revision->getComment();
+		$this->mTimestamp = wfTimestamp( TS_MW, $revision->getTimestamp() );
+
+		$this->mRevIdFetched = $revision->getID();
+		$this->mContentLoaded = true;
+		$this->mRevision =& $revision;
+
+		wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent ) ) ;
+
+		return $this->mContent;
+	}
+
+	/**
+	 * Read/write accessor to select FOR UPDATE
+	 *
+	 * @param $x Mixed: FIXME
+	 */
+	function forUpdate( $x = NULL ) {
+		return wfSetVar( $this->mForUpdate, $x );
+	}
+
+	/**
+	 * Get the database which should be used for reads
+	 *
+	 * @return Database
+	 */
+	function &getDB() {
+		$ret =& wfGetDB( DB_MASTER );
+		return $ret;
+	}
+
+	/**
+	 * Get options for all SELECT statements
+	 *
+	 * @param $options Array: an optional options array which'll be appended to
+	 *                       the default
+	 * @return Array: options
+	 */
+	function getSelectOptions( $options = '' ) {
+		if ( $this->mForUpdate ) {
+			if ( is_array( $options ) ) {
+				$options[] = 'FOR UPDATE';
+			} else {
+				$options = 'FOR UPDATE';
+			}
+		}
+		return $options;
+	}
+
+	/**
+	 * @return int Page ID
+	 */
+	function getID() {
+		if( $this->mTitle ) {
+			return $this->mTitle->getArticleID();
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * @return bool Whether or not the page exists in the database
+	 */
+	function exists() {
+		return $this->getId() != 0;
+	}
+
+	/**
+	 * @return int The view count for the page
+	 */
+	function getCount() {
+		if ( -1 == $this->mCounter ) {
+			$id = $this->getID();
+			if ( $id == 0 ) {
+				$this->mCounter = 0;
+			} else {
+				$dbr =& wfGetDB( DB_SLAVE );
+				$this->mCounter = $dbr->selectField( 'page', 'page_counter', array( 'page_id' => $id ),
+					'Article::getCount', $this->getSelectOptions() );
+			}
+		}
+		return $this->mCounter;
+	}
+
+	/**
+	 * Determine whether a page  would be suitable for being counted as an
+	 * article in the site_stats table based on the title & its content
+	 *
+	 * @param $text String: text to analyze
+	 * @return bool
+	 */
+	function isCountable( $text ) {
+		global $wgUseCommaCount, $wgContentNamespaces;
+
+		$token = $wgUseCommaCount ? ',' : '[[';
+		return
+			array_search( $this->mTitle->getNamespace(), $wgContentNamespaces ) !== false
+			&& ! $this->isRedirect( $text )
+			&& in_string( $token, $text );
+	}
+
+	/**
+	 * Tests if the article text represents a redirect
+	 *
+	 * @param $text String: FIXME
+	 * @return bool
+	 */
+	function isRedirect( $text = false ) {
+		if ( $text === false ) {
+			$this->loadContent();
+			$titleObj = Title::newFromRedirect( $this->fetchContent() );
+		} else {
+			$titleObj = Title::newFromRedirect( $text );
+		}
+		return $titleObj !== NULL;
+	}
+
+	/**
+	 * Returns true if the currently-referenced revision is the current edit
+	 * to this page (and it exists).
+	 * @return bool
+	 */
+	function isCurrent() {
+		return $this->exists() &&
+			isset( $this->mRevision ) &&
+			$this->mRevision->isCurrent();
+	}
+
+	/**
+	 * Loads everything except the text
+	 * This isn't necessary for all uses, so it's only done if needed.
+	 * @private
+	 */
+	function loadLastEdit() {
+		if ( -1 != $this->mUser )
+			return;
+
+		# New or non-existent articles have no user information
+		$id = $this->getID();
+		if ( 0 == $id ) return;
+
+		$this->mLastRevision = Revision::loadFromPageId( $this->getDB(), $id );
+		if( !is_null( $this->mLastRevision ) ) {
+			$this->mUser      = $this->mLastRevision->getUser();
+			$this->mUserText  = $this->mLastRevision->getUserText();
+			$this->mTimestamp = $this->mLastRevision->getTimestamp();
+			$this->mComment   = $this->mLastRevision->getComment();
+			$this->mMinorEdit = $this->mLastRevision->isMinor();
+			$this->mRevIdFetched = $this->mLastRevision->getID();
+		}
+	}
+
+	function getTimestamp() {
+		// Check if the field has been filled by ParserCache::get()
+		if ( !$this->mTimestamp ) {
+			$this->loadLastEdit();
+		}
+		return wfTimestamp(TS_MW, $this->mTimestamp);
+	}
+
+	function getUser() {
+		$this->loadLastEdit();
+		return $this->mUser;
+	}
+
+	function getUserText() {
+		$this->loadLastEdit();
+		return $this->mUserText;
+	}
+
+	function getComment() {
+		$this->loadLastEdit();
+		return $this->mComment;
+	}
+
+	function getMinorEdit() {
+		$this->loadLastEdit();
+		return $this->mMinorEdit;
+	}
+
+	function getRevIdFetched() {
+		$this->loadLastEdit();
+		return $this->mRevIdFetched;
+	}
+
+	/**
+	 * @todo Document, fixme $offset never used.
+	 * @param $limit Integer: default 0.
+	 * @param $offset Integer: default 0.
+	 */
+	function getContributors($limit = 0, $offset = 0) {
+		# XXX: this is expensive; cache this info somewhere.
+
+		$title = $this->mTitle;
+		$contribs = array();
+		$dbr =& wfGetDB( DB_SLAVE );
+		$revTable = $dbr->tableName( 'revision' );
+		$userTable = $dbr->tableName( 'user' );
+		$encDBkey = $dbr->addQuotes( $title->getDBkey() );
+		$ns = $title->getNamespace();
+		$user = $this->getUser();
+		$pageId = $this->getId();
+
+		$sql = "SELECT rev_user, rev_user_text, user_real_name, MAX(rev_timestamp) as timestamp
+			FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
+			WHERE rev_page = $pageId
+			AND rev_user != $user
+			GROUP BY rev_user, rev_user_text, user_real_name
+			ORDER BY timestamp DESC";
+
+		if ($limit > 0) { $sql .= ' LIMIT '.$limit; }
+		$sql .= ' '. $this->getSelectOptions();
+
+		$res = $dbr->query($sql, __METHOD__);
+
+		while ( $line = $dbr->fetchObject( $res ) ) {
+			$contribs[] = array($line->rev_user, $line->rev_user_text, $line->user_real_name);
+		}
+
+		$dbr->freeResult($res);
+		return $contribs;
+	}
+
+	/**
+	 * This is the default action of the script: just view the page of
+	 * the given title.
+	*/
+	function view()	{
+		global $wgUser, $wgOut, $wgRequest, $wgContLang;
+		global $wgEnableParserCache, $wgStylePath, $wgUseRCPatrol, $wgParser;
+		global $wgUseTrackbacks, $wgNamespaceRobotPolicies;
+		$sk = $wgUser->getSkin();
+
+		wfProfileIn( __METHOD__ );
+
+		$parserCache =& ParserCache::singleton();
+		$ns = $this->mTitle->getNamespace(); # shortcut
+		
+		# Get variables from query string
+		$oldid = $this->getOldID();
+
+		# getOldID may want us to redirect somewhere else
+		if ( $this->mRedirectUrl ) {
+			$wgOut->redirect( $this->mRedirectUrl );
+			wfProfileOut( __METHOD__ );
+			return;
+		}
+
+		$diff = $wgRequest->getVal( 'diff' );
+		$rcid = $wgRequest->getVal( 'rcid' );
+		$rdfrom = $wgRequest->getVal( 'rdfrom' );
+
+		$wgOut->setArticleFlag( true );
+		if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
+			$policy = $wgNamespaceRobotPolicies[$ns];
+		} else {
+			$policy = 'index,follow';
+		}
+		$wgOut->setRobotpolicy( $policy );
+
+		# If we got diff and oldid in the query, we want to see a
+		# diff page instead of the article.
+
+		if ( !is_null( $diff ) ) {
+			require_once( 'DifferenceEngine.php' );
+			$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+
+			$de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid );
+			// DifferenceEngine directly fetched the revision:
+			$this->mRevIdFetched = $de->mNewid;
+			$de->showDiffPage();
+
+			if( $diff == 0 ) {
+				# Run view updates for current revision only
+				$this->viewUpdates();
+			}
+			wfProfileOut( __METHOD__ );
+			return;
+		}
+		
+		if ( empty( $oldid ) && $this->checkTouched() ) {
+			$wgOut->setETag($parserCache->getETag($this, $wgUser));
+
+			if( $wgOut->checkLastModified( $this->mTouched ) ){
+				wfProfileOut( __METHOD__ );
+				return;
+			} else if ( $this->tryFileCache() ) {
+				# tell wgOut that output is taken care of
+				$wgOut->disable();
+				$this->viewUpdates();
+				wfProfileOut( __METHOD__ );
+				return;
+			}
+		}
+
+		# Should the parser cache be used?
+		$pcache = $wgEnableParserCache &&
+			intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 &&
+			$this->exists() &&
+			empty( $oldid );
+		wfDebug( 'Article::view using parser cache: ' . ($pcache ? 'yes' : 'no' ) . "\n" );
+		if ( $wgUser->getOption( 'stubthreshold' ) ) {
+			wfIncrStats( 'pcache_miss_stub' );
+		}
+
+		$wasRedirected = false;
+		if ( isset( $this->mRedirectedFrom ) ) {
+			// This is an internally redirected page view.
+			// We'll need a backlink to the source page for navigation.
+			if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
+				$sk = $wgUser->getSkin();
+				$redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom, '', 'redirect=no' );
+				$s = wfMsg( 'redirectedfrom', $redir );
+				$wgOut->setSubtitle( $s );
+				$wasRedirected = true;
+			}
+		} elseif ( !empty( $rdfrom ) ) {
+			// This is an externally redirected view, from some other wiki.
+			// If it was reported from a trusted site, supply a backlink.
+			global $wgRedirectSources;
+			if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
+				$sk = $wgUser->getSkin();
+				$redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
+				$s = wfMsg( 'redirectedfrom', $redir );
+				$wgOut->setSubtitle( $s );
+				$wasRedirected = true;
+			}
+		}
+		
+		$outputDone = false;
+		if ( $pcache ) {
+			if ( $wgOut->tryParserCache( $this, $wgUser ) ) {
+				$outputDone = true;
+			}
+		}
+		if ( !$outputDone ) {
+			$text = $this->getContent();
+			if ( $text === false ) {
+				# Failed to load, replace text with error message
+				$t = $this->mTitle->getPrefixedText();
+				if( $oldid ) {
+					$t .= ',oldid='.$oldid;
+					$text = wfMsg( 'missingarticle', $t );
+				} else {
+					$text = wfMsg( 'noarticletext', $t );
+				}
+			}
+
+			# Another whitelist check in case oldid is altering the title
+			if ( !$this->mTitle->userCanRead() ) {
+				$wgOut->loginToUse();
+				$wgOut->output();
+				exit;
+			}
+
+			# We're looking at an old revision
+
+			if ( !empty( $oldid ) ) {
+				$wgOut->setRobotpolicy( 'noindex,nofollow' );
+				if( is_null( $this->mRevision ) ) {
+					// FIXME: This would be a nice place to load the 'no such page' text.
+				} else {
+					$this->setOldSubtitle( isset($this->mOldId) ? $this->mOldId : $oldid );
+					if( $this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
+						if( !$this->mRevision->userCan( Revision::DELETED_TEXT ) ) {
+							$wgOut->addWikiText( wfMsg( 'rev-deleted-text-permission' ) );
+							$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+							return;
+						} else {
+							$wgOut->addWikiText( wfMsg( 'rev-deleted-text-view' ) );
+							// and we are allowed to see...
+						}
+					}
+				}
+
+			}
+		}
+		if( !$outputDone ) {
+			/**
+			 * @fixme: this hook doesn't work most of the time, as it doesn't
+			 * trigger when the parser cache is used.
+			 */
+			wfRunHooks( 'ArticleViewHeader', array( &$this ) ) ;
+			$wgOut->setRevisionId( $this->getRevIdFetched() );
+			# wrap user css and user js in pre and don't parse
+			# XXX: use $this->mTitle->usCssJsSubpage() when php is fixed/ a workaround is found
+			if (
+				$ns == NS_USER &&
+				preg_match('/\\/[\\w]+\\.(css|js)$/', $this->mTitle->getDBkey())
+			) {
+				$wgOut->addWikiText( wfMsg('clearyourcache'));
+				$wgOut->addHTML( '<pre>'.htmlspecialchars($this->mContent)."\n</pre>" );
+			} else if ( $rt = Title::newFromRedirect( $text ) ) {
+				# Display redirect
+				$imageDir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
+				$imageUrl = $wgStylePath.'/common/images/redirect' . $imageDir . '.png';
+				# Don't overwrite the subtitle if this was an old revision
+				if( !$wasRedirected && $this->isCurrent() ) {
+					$wgOut->setSubtitle( wfMsgHtml( 'redirectpagesub' ) );
+				}
+				$targetUrl = $rt->escapeLocalURL();
+				# fixme unused $titleText :
+				$titleText = htmlspecialchars( $rt->getPrefixedText() );
+				$link = $sk->makeLinkObj( $rt );
+
+				$wgOut->addHTML( '<img src="'.$imageUrl.'" alt="#REDIRECT" />' .
+				  '<span class="redirectText">'.$link.'</span>' );
+
+				$parseout = $wgParser->parse($text, $this->mTitle, ParserOptions::newFromUser($wgUser));
+				$wgOut->addParserOutputNoText( $parseout );
+			} else if ( $pcache ) {
+				# Display content and save to parser cache
+				$wgOut->addPrimaryWikiText( $text, $this );
+			} else {
+				# Display content, don't attempt to save to parser cache
+				# Don't show section-edit links on old revisions... this way lies madness.
+				if( !$this->isCurrent() ) {
+					$oldEditSectionSetting = $wgOut->mParserOptions->setEditSection( false );
+				}
+				# Display content and don't save to parser cache
+				$wgOut->addPrimaryWikiText( $text, $this, false );
+
+				if( !$this->isCurrent() ) {
+					$wgOut->mParserOptions->setEditSection( $oldEditSectionSetting );
+				}
+			}
+		}
+		/* title may have been set from the cache */
+		$t = $wgOut->getPageTitle();
+		if( empty( $t ) ) {
+			$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+		}
+
+		# check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
+		if( $ns == NS_USER_TALK &&
+			User::isIP( $this->mTitle->getText() ) ) {
+			$wgOut->addWikiText( wfMsg('anontalkpagetext') );
+		}
+
+		# If we have been passed an &rcid= parameter, we want to give the user a
+		# chance to mark this new article as patrolled.
+		if ( $wgUseRCPatrol && !is_null( $rcid ) && $rcid != 0 && $wgUser->isAllowed( 'patrol' ) ) {
+			$wgOut->addHTML(
+				"<div class='patrollink'>" .
+					wfMsg ( 'markaspatrolledlink',
+					$sk->makeKnownLinkObj( $this->mTitle, wfMsg('markaspatrolledtext'), "action=markpatrolled&rcid=$rcid" )
+			 		) .
+				'</div>'
+			 );
+		}
+
+		# Trackbacks
+		if ($wgUseTrackbacks)
+			$this->addTrackbacks();
+
+		$this->viewUpdates();
+		wfProfileOut( __METHOD__ );
+	}
+
+	function addTrackbacks() {
+		global $wgOut, $wgUser;
+
+		$dbr =& wfGetDB(DB_SLAVE);
+		$tbs = $dbr->select(
+				/* FROM   */ 'trackbacks',
+				/* SELECT */ array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
+				/* WHERE  */ array('tb_page' => $this->getID())
+		);
+
+		if (!$dbr->numrows($tbs))
+			return;
+
+		$tbtext = "";
+		while ($o = $dbr->fetchObject($tbs)) {
+			$rmvtxt = "";
+			if ($wgUser->isAllowed( 'trackback' )) {
+				$delurl = $this->mTitle->getFullURL("action=deletetrackback&tbid="
+						. $o->tb_id . "&token=" . $wgUser->editToken());
+				$rmvtxt = wfMsg('trackbackremove', $delurl);
+			}
+			$tbtext .= wfMsg(strlen($o->tb_ex) ? 'trackbackexcerpt' : 'trackback',
+					$o->tb_title,
+					$o->tb_url,
+					$o->tb_ex,
+					$o->tb_name,
+					$rmvtxt);
+		}
+		$wgOut->addWikitext(wfMsg('trackbackbox', $tbtext));
+	}
+
+	function deletetrackback() {
+		global $wgUser, $wgRequest, $wgOut, $wgTitle;
+
+		if (!$wgUser->matchEditToken($wgRequest->getVal('token'))) {
+			$wgOut->addWikitext(wfMsg('sessionfailure'));
+			return;
+		}
+
+		if ((!$wgUser->isAllowed('delete'))) {
+			$wgOut->sysopRequired();
+			return;
+		}
+
+		if (wfReadOnly()) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+
+		$db =& wfGetDB(DB_MASTER);
+		$db->delete('trackbacks', array('tb_id' => $wgRequest->getInt('tbid')));
+		$wgTitle->invalidateCache();
+		$wgOut->addWikiText(wfMsg('trackbackdeleteok'));
+	}
+
+	function render() {
+		global $wgOut;
+
+		$wgOut->setArticleBodyOnly(true);
+		$this->view();
+	}
+
+	/**
+	 * Handle action=purge
+	 */
+	function purge() {
+		global $wgUser, $wgRequest, $wgOut;
+
+		if ( $wgUser->isLoggedIn() || $wgRequest->wasPosted() ) {
+			if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
+				$this->doPurge();
+			}
+		} else {
+			$msg = $wgOut->parse( wfMsg( 'confirm_purge' ) );
+			$action = $this->mTitle->escapeLocalURL( 'action=purge' );
+			$button = htmlspecialchars( wfMsg( 'confirm_purge_button' ) );
+			$msg = str_replace( '$1',
+				"<form method=\"post\" action=\"$action\">\n" .
+				"<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
+				"</form>\n", $msg );
+
+			$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+			$wgOut->setRobotpolicy( 'noindex,nofollow' );
+			$wgOut->addHTML( $msg );
+		}
+	}
+	
+	/**
+	 * Perform the actions of a page purging
+	 */
+	function doPurge() {
+		global $wgUseSquid;
+		// Invalidate the cache
+		$this->mTitle->invalidateCache();
+
+		if ( $wgUseSquid ) {
+			// Commit the transaction before the purge is sent
+			$dbw = wfGetDB( DB_MASTER );
+			$dbw->immediateCommit();
+
+			// Send purge
+			$update = SquidUpdate::newSimplePurge( $this->mTitle );
+			$update->doUpdate();
+		}
+		$this->view();
+	}
+
+	/**
+	 * Insert a new empty page record for this article.
+	 * This *must* be followed up by creating a revision
+	 * and running $this->updateToLatest( $rev_id );
+	 * or else the record will be left in a funky state.
+	 * Best if all done inside a transaction.
+	 *
+	 * @param Database $dbw
+	 * @param string   $restrictions
+	 * @return int     The newly created page_id key
+	 * @private
+	 */
+	function insertOn( &$dbw, $restrictions = '' ) {
+		wfProfileIn( __METHOD__ );
+
+		$page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
+		$dbw->insert( 'page', array(
+			'page_id'           => $page_id,
+			'page_namespace'    => $this->mTitle->getNamespace(),
+			'page_title'        => $this->mTitle->getDBkey(),
+			'page_counter'      => 0,
+			'page_restrictions' => $restrictions,
+			'page_is_redirect'  => 0, # Will set this shortly...
+			'page_is_new'       => 1,
+			'page_random'       => wfRandom(),
+			'page_touched'      => $dbw->timestamp(),
+			'page_latest'       => 0, # Fill this in shortly...
+			'page_len'          => 0, # Fill this in shortly...
+		), __METHOD__ );
+		$newid = $dbw->insertId();
+
+		$this->mTitle->resetArticleId( $newid );
+
+		wfProfileOut( __METHOD__ );
+		return $newid;
+	}
+
+	/**
+	 * Update the page record to point to a newly saved revision.
+	 *
+	 * @param Database $dbw
+	 * @param Revision $revision For ID number, and text used to set
+	                             length and redirect status fields
+	 * @param int $lastRevision If given, will not overwrite the page field
+	 *                          when different from the currently set value.
+	 *                          Giving 0 indicates the new page flag should
+	 *                          be set on.
+	 * @return bool true on success, false on failure
+	 * @private
+	 */
+	function updateRevisionOn( &$dbw, $revision, $lastRevision = null ) {
+		wfProfileIn( __METHOD__ );
+
+		$conditions = array( 'page_id' => $this->getId() );
+		if( !is_null( $lastRevision ) ) {
+			# An extra check against threads stepping on each other
+			$conditions['page_latest'] = $lastRevision;
+		}
+
+		$text = $revision->getText();
+		$dbw->update( 'page',
+			array( /* SET */
+				'page_latest'      => $revision->getId(),
+				'page_touched'     => $dbw->timestamp(),
+				'page_is_new'      => ($lastRevision === 0) ? 1 : 0,
+				'page_is_redirect' => Article::isRedirect( $text ) ? 1 : 0,
+				'page_len'         => strlen( $text ),
+			),
+			$conditions,
+			__METHOD__ );
+
+		wfProfileOut( __METHOD__ );
+		return ( $dbw->affectedRows() != 0 );
+	}
+
+	/**
+	 * If the given revision is newer than the currently set page_latest,
+	 * update the page record. Otherwise, do nothing.
+	 *
+	 * @param Database $dbw
+	 * @param Revision $revision
+	 */
+	function updateIfNewerOn( &$dbw, $revision ) {
+		wfProfileIn( __METHOD__ );
+
+		$row = $dbw->selectRow(
+			array( 'revision', 'page' ),
+			array( 'rev_id', 'rev_timestamp' ),
+			array(
+				'page_id' => $this->getId(),
+				'page_latest=rev_id' ),
+			__METHOD__ );
+		if( $row ) {
+			if( wfTimestamp(TS_MW, $row->rev_timestamp) >= $revision->getTimestamp() ) {
+				wfProfileOut( __METHOD__ );
+				return false;
+			}
+			$prev = $row->rev_id;
+		} else {
+			# No or missing previous revision; mark the page as new
+			$prev = 0;
+		}
+
+		$ret = $this->updateRevisionOn( $dbw, $revision, $prev );
+		wfProfileOut( __METHOD__ );
+		return $ret;
+	}
+
+	/**
+	 * @return string Complete article text, or null if error
+	 */
+	function replaceSection($section, $text, $summary = '', $edittime = NULL) {
+		wfProfileIn( __METHOD__ );
+		
+		if( $section == '' ) {
+			// Whole-page edit; let the text through unmolested.
+		} else {
+			if( is_null( $edittime ) ) {
+				$rev = Revision::newFromTitle( $this->mTitle );
+			} else {
+				$dbw =& wfGetDB( DB_MASTER );
+				$rev = Revision::loadFromTimestamp( $dbw, $this->mTitle, $edittime );
+			}
+			if( is_null( $rev ) ) {
+				wfDebug( "Article::replaceSection asked for bogus section (page: " .
+					$this->getId() . "; section: $section; edittime: $edittime)\n" );
+				return null;
+			}
+			$oldtext = $rev->getText();
+
+			if($section=='new') {
+				if($summary) $subject="== {$summary} ==\n\n";
+				$text=$oldtext."\n\n".$subject.$text;
+			} else {
+				global $wgParser;
+				$text = $wgParser->replaceSection( $oldtext, $section, $text );
+			}
+		}
+
+		wfProfileOut( __METHOD__ );
+		return $text;
+	}
+
+	/**
+	 * @deprecated use Article::doEdit()
+	 */
+	function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false ) {
+		$flags = EDIT_NEW | EDIT_DEFER_UPDATES |
+			( $isminor ? EDIT_MINOR : 0 ) |
+			( $suppressRC ? EDIT_SUPPRESS_RC : 0 );
+
+		# If this is a comment, add the summary as headline
+		if ( $comment && $summary != "" ) {
+			$text = "== {$summary} ==\n\n".$text;
+		}
+		
+		$this->doEdit( $text, $summary, $flags );
+
+		$dbw =& wfGetDB( DB_MASTER );
+		if ($watchthis) {
+			if (!$this->mTitle->userIsWatching()) {
+				$dbw->begin();
+				$this->doWatch();
+				$dbw->commit();
+			}
+		} else {
+			if ( $this->mTitle->userIsWatching() ) {
+				$dbw->begin();
+				$this->doUnwatch();
+				$dbw->commit();
+			}
+		}
+		$this->doRedirect( $this->isRedirect( $text ) );
+	}
+
+	/**
+	 * @deprecated use Article::doEdit()
+	 */
+	function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
+		$flags = EDIT_UPDATE | EDIT_DEFER_UPDATES |
+			( $minor ? EDIT_MINOR : 0 ) |
+			( $forceBot ? EDIT_FORCE_BOT : 0 );
+
+		$good = $this->doEdit( $text, $summary, $flags );
+		if ( $good ) {
+			$dbw =& wfGetDB( DB_MASTER );
+			if ($watchthis) {
+				if (!$this->mTitle->userIsWatching()) {
+					$dbw->begin();
+					$this->doWatch();
+					$dbw->commit();
+				}
+			} else {
+				if ( $this->mTitle->userIsWatching() ) {
+					$dbw->begin();
+					$this->doUnwatch();
+					$dbw->commit();
+				}
+			}
+
+			$this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
+		}
+		return $good;
+	}
+
+	/**
+	 * Article::doEdit()
+	 *
+	 * Change an existing article or create a new article. Updates RC and all necessary caches, 
+	 * optionally via the deferred update array.
+	 *
+	 * $wgUser must be set before calling this function.
+	 *
+	 * @param string $text New text
+	 * @param string $summary Edit summary
+	 * @param integer $flags bitfield:
+	 *      EDIT_NEW
+	 *          Article is known or assumed to be non-existent, create a new one
+	 *      EDIT_UPDATE
+	 *          Article is known or assumed to be pre-existing, update it
+	 *      EDIT_MINOR
+	 *          Mark this edit minor, if the user is allowed to do so
+	 *      EDIT_SUPPRESS_RC
+	 *          Do not log the change in recentchanges
+	 *      EDIT_FORCE_BOT
+	 *          Mark the edit a "bot" edit regardless of user rights
+	 *      EDIT_DEFER_UPDATES
+	 *          Defer some of the updates until the end of index.php
+	 * 
+	 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected. 
+	 * If EDIT_UPDATE is specified and the article doesn't exist, the function will return false. If 
+	 * EDIT_NEW is specified and the article does exist, a duplicate key error will cause an exception
+	 * to be thrown from the Database. These two conditions are also possible with auto-detection due
+	 * to MediaWiki's performance-optimised locking strategy.
+	 *
+	 * @return bool success
+	 */
+	function doEdit( $text, $summary, $flags = 0 ) {
+		global $wgUser, $wgDBtransactions;
+
+		wfProfileIn( __METHOD__ );
+		$good = true;
+
+		if ( !($flags & EDIT_NEW) && !($flags & EDIT_UPDATE) ) {
+			$aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
+			if ( $aid ) {
+				$flags |= EDIT_UPDATE;
+			} else {
+				$flags |= EDIT_NEW;
+			}
+		}
+
+		if( !wfRunHooks( 'ArticleSave', array( &$this, &$wgUser, &$text,
+			&$summary, $flags & EDIT_MINOR,
+			null, null, &$flags ) ) ) 
+		{
+			wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" );
+			wfProfileOut( __METHOD__ );
+			return false;
+		}
+
+		# Silently ignore EDIT_MINOR if not allowed
+		$isminor = ( $flags & EDIT_MINOR ) && $wgUser->isAllowed('minoredit');
+		$bot = $wgUser->isBot() || ( $flags & EDIT_FORCE_BOT );
+
+		$text = $this->preSaveTransform( $text );
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$now = wfTimestampNow();
+		
+		if ( $flags & EDIT_UPDATE ) {
+			# Update article, but only if changed.
+
+			# Make sure the revision is either completely inserted or not inserted at all
+			if( !$wgDBtransactions ) {
+				$userAbort = ignore_user_abort( true );
+			}
+
+			$oldtext = $this->getContent();
+			$oldsize = strlen( $oldtext );
+			$newsize = strlen( $text );
+			$lastRevision = 0;
+			$revisionId = 0;
+
+			if ( 0 != strcmp( $text, $oldtext ) ) {
+				$this->mGoodAdjustment = (int)$this->isCountable( $text )
+				  - (int)$this->isCountable( $oldtext );
+				$this->mTotalAdjustment = 0;
+
+				$lastRevision = $dbw->selectField(
+					'page', 'page_latest', array( 'page_id' => $this->getId() ) );
+
+				if ( !$lastRevision ) {
+					# Article gone missing
+					wfDebug( __METHOD__.": EDIT_UPDATE specified but article doesn't exist\n" );
+					wfProfileOut( __METHOD__ );
+					return false;
+				}
+				
+				$revision = new Revision( array(
+					'page'       => $this->getId(),
+					'comment'    => $summary,
+					'minor_edit' => $isminor,
+					'text'       => $text
+					) );
+
+				$dbw->begin();
+				$revisionId = $revision->insertOn( $dbw );
+
+				# Update page
+				$ok = $this->updateRevisionOn( $dbw, $revision, $lastRevision );
+
+				if( !$ok ) {
+					/* Belated edit conflict! Run away!! */
+					$good = false;
+					$dbw->rollback();
+				} else {
+					# Update recentchanges
+					if( !( $flags & EDIT_SUPPRESS_RC ) ) {
+						$rcid = RecentChange::notifyEdit( $now, $this->mTitle, $isminor, $wgUser, $summary,
+							$lastRevision, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
+							$revisionId );
+							
+						# Mark as patrolled if the user can do so and has it set in their options
+						if( $wgUser->isAllowed( 'patrol' ) && $wgUser->getOption( 'autopatrol' ) ) {
+							RecentChange::markPatrolled( $rcid );
+						}
+					}
+					$dbw->commit();
+				}
+			} else {
+				// Keep the same revision ID, but do some updates on it
+				$revisionId = $this->getRevIdFetched();
+				// Update page_touched, this is usually implicit in the page update
+				// Other cache updates are done in onArticleEdit()
+				$this->mTitle->invalidateCache();
+			}
+
+			if( !$wgDBtransactions ) {
+				ignore_user_abort( $userAbort );
+			}
+
+			if ( $good ) {
+				# Invalidate cache of this article and all pages using this article 
+				# as a template. Partly deferred.
+				Article::onArticleEdit( $this->mTitle );
+				
+				# Update links tables, site stats, etc.
+				$changed = ( strcmp( $oldtext, $text ) != 0 );
+				$this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
+			}
+		} else {
+			# Create new article
+			
+			# Set statistics members
+			# We work out if it's countable after PST to avoid counter drift 
+			# when articles are created with {{subst:}}
+			$this->mGoodAdjustment = (int)$this->isCountable( $text );
+			$this->mTotalAdjustment = 1;
+
+			$dbw->begin();
+
+			# Add the page record; stake our claim on this title!
+			# This will fail with a database query exception if the article already exists
+			$newid = $this->insertOn( $dbw );
+
+			# Save the revision text...
+			$revision = new Revision( array(
+				'page'       => $newid,
+				'comment'    => $summary,
+				'minor_edit' => $isminor,
+				'text'       => $text
+				) );
+			$revisionId = $revision->insertOn( $dbw );
+
+			$this->mTitle->resetArticleID( $newid );
+
+			# Update the page record with revision data
+			$this->updateRevisionOn( $dbw, $revision, 0 );
+
+			if( !( $flags & EDIT_SUPPRESS_RC ) ) {
+				$rcid = RecentChange::notifyNew( $now, $this->mTitle, $isminor, $wgUser, $summary, $bot,
+				  '', strlen( $text ), $revisionId );
+				# Mark as patrolled if the user can and has the option set
+				if( $wgUser->isAllowed( 'patrol' ) && $wgUser->getOption( 'autopatrol' ) ) {
+					RecentChange::markPatrolled( $rcid );
+				}
+			}
+			$dbw->commit();
+
+			# Update links, etc.
+			$this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
+
+			# Clear caches
+			Article::onArticleCreate( $this->mTitle );
+
+			wfRunHooks( 'ArticleInsertComplete', array( &$this, &$wgUser, $text,
+				$summary, $flags & EDIT_MINOR,
+				null, null, &$flags ) );
+		}
+
+		if ( $good && !( $flags & EDIT_DEFER_UPDATES ) ) {
+			wfDoUpdates();
+		}
+
+		wfRunHooks( 'ArticleSaveComplete',
+			array( &$this, &$wgUser, $text,
+			$summary, $flags & EDIT_MINOR,
+			null, null, &$flags ) );
+		
+		wfProfileOut( __METHOD__ );
+		return $good;
+	}
+
+	/**
+	 * @deprecated wrapper for doRedirect
+	 */
+	function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
+		$this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
+	}
+
+	/**
+	 * Output a redirect back to the article.
+	 * This is typically used after an edit.
+	 *
+	 * @param boolean $noRedir Add redirect=no
+	 * @param string $sectionAnchor section to redirect to, including "#"
+	 */
+	function doRedirect( $noRedir = false, $sectionAnchor = '' ) {
+		global $wgOut;
+		if ( $noRedir ) {
+			$query = 'redirect=no';
+		} else {
+			$query = '';
+		}
+		$wgOut->redirect( $this->mTitle->getFullURL( $query ) . $sectionAnchor );
+	}
+		
+	/**
+	 * Mark this particular edit as patrolled
+	 */
+	function markpatrolled() {
+		global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUser;
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+		# Check RC patrol config. option
+		if( !$wgUseRCPatrol ) {
+			$wgOut->errorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
+			return;
+		}
+		
+		# Check permissions
+		if( !$wgUser->isAllowed( 'patrol' ) ) {
+			$wgOut->permissionRequired( 'patrol' );
+			return;
+		}
+		
+		$rcid = $wgRequest->getVal( 'rcid' );
+		if ( !is_null ( $rcid ) ) {
+			if( wfRunHooks( 'MarkPatrolled', array( &$rcid, &$wgUser, false ) ) ) {
+				RecentChange::markPatrolled( $rcid );
+				wfRunHooks( 'MarkPatrolledComplete', array( &$rcid, &$wgUser, false ) );
+				$wgOut->setPagetitle( wfMsg( 'markedaspatrolled' ) );
+				$wgOut->addWikiText( wfMsg( 'markedaspatrolledtext' ) );
+			}
+			$rcTitle = Title::makeTitle( NS_SPECIAL, 'Recentchanges' );
+			$wgOut->returnToMain( false, $rcTitle->getPrefixedText() );
+		}
+		else {
+			$wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
+		}
+	}
+
+	/**
+	 * User-interface handler for the "watch" action
+	 */
+
+	function watch() {
+
+		global $wgUser, $wgOut;
+
+		if ( $wgUser->isAnon() ) {
+			$wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
+			return;
+		}
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+		
+		if( $this->doWatch() ) {
+			$wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
+			$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+			$link = $this->mTitle->getPrefixedText();
+			$text = wfMsg( 'addedwatchtext', $link );
+			$wgOut->addWikiText( $text );
+		}
+
+		$wgOut->returnToMain( true, $this->mTitle->getPrefixedText() );
+	}
+	
+	/**
+	 * Add this page to $wgUser's watchlist
+	 * @return bool true on successful watch operation
+	 */
+	function doWatch() {
+		global $wgUser;
+		if( $wgUser->isAnon() ) {
+			return false;
+		}
+		
+		if (wfRunHooks('WatchArticle', array(&$wgUser, &$this))) {
+			$wgUser->addWatch( $this->mTitle );
+			$wgUser->saveSettings();
+
+			return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
+		}
+		
+		return false;
+	}
+
+	/**
+	 * User interface handler for the "unwatch" action.
+	 */
+	function unwatch() {
+
+		global $wgUser, $wgOut;
+
+		if ( $wgUser->isAnon() ) {
+			$wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
+			return;
+		}
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+		
+		if( $this->doUnwatch() ) {
+			$wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
+			$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+			$link = $this->mTitle->getPrefixedText();
+			$text = wfMsg( 'removedwatchtext', $link );
+			$wgOut->addWikiText( $text );
+		}
+
+		$wgOut->returnToMain( true, $this->mTitle->getPrefixedText() );
+	}
+	
+	/**
+	 * Stop watching a page
+	 * @return bool true on successful unwatch
+	 */
+	function doUnwatch() {
+		global $wgUser;
+		if( $wgUser->isAnon() ) {
+			return false;
+		}
+
+		if (wfRunHooks('UnwatchArticle', array(&$wgUser, &$this))) {
+			$wgUser->removeWatch( $this->mTitle );
+			$wgUser->saveSettings();
+
+			return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
+		}
+		
+		return false;
+	}
+
+	/**
+	 * action=protect handler
+	 */
+	function protect() {
+		require_once 'ProtectionForm.php';
+		$form = new ProtectionForm( $this );
+		$form->show();
+	}
+
+	/**
+	 * action=unprotect handler (alias)
+	 */
+	function unprotect() {
+		$this->protect();
+	}
+
+	/**
+	 * Update the article's restriction field, and leave a log entry.
+	 *
+	 * @param array $limit set of restriction keys
+	 * @param string $reason
+	 * @return bool true on success
+	 */
+	function updateRestrictions( $limit = array(), $reason = '' ) {
+		global $wgUser, $wgRestrictionTypes, $wgContLang;
+		
+		$id = $this->mTitle->getArticleID();
+		if( !$wgUser->isAllowed( 'protect' ) || wfReadOnly() || $id == 0 ) {
+			return false;
+		}
+
+		# FIXME: Same limitations as described in ProtectionForm.php (line 37);
+		# we expect a single selection, but the schema allows otherwise.
+		$current = array();
+		foreach( $wgRestrictionTypes as $action )
+			$current[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
+
+		$current = Article::flattenRestrictions( $current );
+		$updated = Article::flattenRestrictions( $limit );
+		
+		$changed = ( $current != $updated );
+		$protect = ( $updated != '' );
+		
+		# If nothing's changed, do nothing
+		if( $changed ) {
+			if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
+
+				$dbw =& wfGetDB( DB_MASTER );
+				
+				# Prepare a null revision to be added to the history
+				$comment = $wgContLang->ucfirst( wfMsgForContent( $protect ? 'protectedarticle' : 'unprotectedarticle', $this->mTitle->getPrefixedText() ) );
+				if( $reason )
+					$comment .= ": $reason";
+				if( $protect )
+					$comment .= " [$updated]";
+				$nullRevision = Revision::newNullRevision( $dbw, $id, $comment, true );
+				$nullRevId = $nullRevision->insertOn( $dbw );
+			
+				# Update page record
+				$dbw->update( 'page',
+					array( /* SET */
+						'page_touched' => $dbw->timestamp(),
+						'page_restrictions' => $updated,
+						'page_latest' => $nullRevId
+					), array( /* WHERE */
+						'page_id' => $id
+					), 'Article::protect'
+				);
+				wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
+	
+				# Update the protection log
+				$log = new LogPage( 'protect' );
+				if( $protect ) {
+					$log->addEntry( 'protect', $this->mTitle, trim( $reason . " [$updated]" ) );
+				} else {
+					$log->addEntry( 'unprotect', $this->mTitle, $reason );
+				}
+				
+			} # End hook
+		} # End "changed" check
+		
+		return true;
+	}
+
+	/**
+	 * Take an array of page restrictions and flatten it to a string
+	 * suitable for insertion into the page_restrictions field.
+	 * @param array $limit
+	 * @return string
+	 * @private
+	 */
+	function flattenRestrictions( $limit ) {
+		if( !is_array( $limit ) ) {
+			throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
+		}
+		$bits = array();
+		ksort( $limit );
+		foreach( $limit as $action => $restrictions ) {
+			if( $restrictions != '' ) {
+				$bits[] = "$action=$restrictions";
+			}
+		}
+		return implode( ':', $bits );
+	}
+
+	/*
+	 * UI entry point for page deletion
+	 */
+	function delete() {
+		global $wgUser, $wgOut, $wgRequest;
+		$confirm = $wgRequest->wasPosted() &&
+			$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
+		$reason = $wgRequest->getText( 'wpReason' );
+
+		# This code desperately needs to be totally rewritten
+
+		# Check permissions
+		if( $wgUser->isAllowed( 'delete' ) ) {
+			if( $wgUser->isBlocked() ) {
+				$wgOut->blockedPage();
+				return;
+			}
+		} else {
+			$wgOut->permissionRequired( 'delete' );
+			return;
+		}
+
+		if( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+
+		$wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
+		
+		# Better double-check that it hasn't been deleted yet!
+		$dbw =& wfGetDB( DB_MASTER );
+		$conds = $this->mTitle->pageCond();
+		$latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__ );
+		if ( $latest === false ) {
+			$wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
+			return;
+		}
+
+		if( $confirm ) {
+			$this->doDelete( $reason );
+			return;
+		}
+
+		# determine whether this page has earlier revisions
+		# and insert a warning if it does
+		$maxRevisions = 20;
+		$authors = $this->getLastNAuthors( $maxRevisions, $latest );
+		
+		if( count( $authors ) > 1 && !$confirm ) {
+			$skin=$wgUser->getSkin();
+			$wgOut->addHTML( '<strong>' . wfMsg( 'historywarning' ) . ' ' . $skin->historyLink() . '</strong>' );
+		}
+
+		# If a single user is responsible for all revisions, find out who they are
+		if ( count( $authors ) == $maxRevisions ) {
+			// Query bailed out, too many revisions to find out if they're all the same
+			$authorOfAll = false;
+		} else {
+			$authorOfAll = reset( $authors );
+			foreach ( $authors as $author ) {
+				if ( $authorOfAll != $author ) {
+					$authorOfAll = false;
+					break;
+				}
+			}
+		}
+		# Fetch article text
+		$rev = Revision::newFromTitle( $this->mTitle );
+
+		if( !is_null( $rev ) ) {
+			# if this is a mini-text, we can paste part of it into the deletion reason
+			$text = $rev->getText();
+
+			#if this is empty, an earlier revision may contain "useful" text
+			$blanked = false;
+			if( $text == '' ) {
+				$prev = $rev->getPrevious();
+				if( $prev ) {
+					$text = $prev->getText();
+					$blanked = true;
+				}
+			}
+
+			$length = strlen( $text );
+
+			# this should not happen, since it is not possible to store an empty, new
+			# page. Let's insert a standard text in case it does, though
+			if( $length == 0 && $reason === '' ) {
+				$reason = wfMsgForContent( 'exblank' );
+			}
+
+			if( $length < 500 && $reason === '' ) {
+				# comment field=255, let's grep the first 150 to have some user
+				# space left
+				global $wgContLang;
+				$text = $wgContLang->truncate( $text, 150, '...' );
+
+				# let's strip out newlines
+				$text = preg_replace( "/[\n\r]/", '', $text );
+
+				if( !$blanked ) {
+					if( $authorOfAll === false ) {
+						$reason = wfMsgForContent( 'excontent', $text );
+					} else {
+						$reason = wfMsgForContent( 'excontentauthor', $text, $authorOfAll );
+					}
+				} else {
+					$reason = wfMsgForContent( 'exbeforeblank', $text );
+				}
+			}
+		}
+
+		return $this->confirmDelete( '', $reason );
+	}
+
+	/**
+	 * Get the last N authors
+	 * @param int $num Number of revisions to get
+	 * @param string $revLatest The latest rev_id, selected from the master (optional)
+	 * @return array Array of authors, duplicates not removed
+	 */
+	function getLastNAuthors( $num, $revLatest = 0 ) {
+		wfProfileIn( __METHOD__ );
+
+		// First try the slave
+		// If that doesn't have the latest revision, try the master
+		$continue = 2;
+		$db =& wfGetDB( DB_SLAVE );
+		do {
+			$res = $db->select( array( 'page', 'revision' ),
+				array( 'rev_id', 'rev_user_text' ),
+				array(
+					'page_namespace' => $this->mTitle->getNamespace(),
+					'page_title' => $this->mTitle->getDBkey(),
+					'rev_page = page_id'
+				), __METHOD__, $this->getSelectOptions( array(
+					'ORDER BY' => 'rev_timestamp DESC',
+					'LIMIT' => $num
+				) )
+			);
+			if ( !$res ) {
+				wfProfileOut( __METHOD__ );
+				return array();
+			}
+			$row = $db->fetchObject( $res );
+			if ( $continue == 2 && $revLatest && $row->rev_id != $revLatest ) {
+				$db =& wfGetDB( DB_MASTER );
+				$continue--;
+			} else {
+				$continue = 0;
+			}
+		} while ( $continue );
+
+		$authors = array( $row->rev_user_text );
+		while ( $row = $db->fetchObject( $res ) ) {
+			$authors[] = $row->rev_user_text;
+		}
+		wfProfileOut( __METHOD__ );
+		return $authors;
+	}
+	
+	/**
+	 * Output deletion confirmation dialog
+	 */
+	function confirmDelete( $par, $reason ) {
+		global $wgOut, $wgUser;
+
+		wfDebug( "Article::confirmDelete\n" );
+
+		$sub = htmlspecialchars( $this->mTitle->getPrefixedText() );
+		$wgOut->setSubtitle( wfMsg( 'deletesub', $sub ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->addWikiText( wfMsg( 'confirmdeletetext' ) );
+
+		$formaction = $this->mTitle->escapeLocalURL( 'action=delete' . $par );
+
+		$confirm = htmlspecialchars( wfMsg( 'deletepage' ) );
+		$delcom = htmlspecialchars( wfMsg( 'deletecomment' ) );
+		$token = htmlspecialchars( $wgUser->editToken() );
+
+		$wgOut->addHTML( "
+<form id='deleteconfirm' method='post' action=\"{$formaction}\">
+	<table border='0'>
+		<tr>
+			<td align='right'>
+				<label for='wpReason'>{$delcom}:</label>
+			</td>
+			<td align='left'>
+				<input type='text' size='60' name='wpReason' id='wpReason' value=\"" . htmlspecialchars( $reason ) . "\" />
+			</td>
+		</tr>
+		<tr>
+			<td>&nbsp;</td>
+			<td>
+				<input type='submit' name='wpConfirmB' value=\"{$confirm}\" />
+			</td>
+		</tr>
+	</table>
+	<input type='hidden' name='wpEditToken' value=\"{$token}\" />
+</form>\n" );
+
+		$wgOut->returnToMain( false );
+	}
+
+
+	/**
+	 * Perform a deletion and output success or failure messages
+	 */
+	function doDelete( $reason ) {
+		global $wgOut, $wgUser;
+		wfDebug( __METHOD__."\n" );
+
+		if (wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason))) {
+			if ( $this->doDeleteArticle( $reason ) ) {
+				$deleted = $this->mTitle->getPrefixedText();
+
+				$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
+				$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+				$loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
+				$text = wfMsg( 'deletedtext', $deleted, $loglink );
+
+				$wgOut->addWikiText( $text );
+				$wgOut->returnToMain( false );
+				wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason));
+			} else {
+				$wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
+			}
+		}
+	}
+
+	/**
+	 * Back-end article deletion
+	 * Deletes the article with database consistency, writes logs, purges caches
+	 * Returns success
+	 */
+	function doDeleteArticle( $reason ) {
+		global $wgUseSquid, $wgDeferredUpdateList;
+		global $wgPostCommitUpdateList, $wgUseTrackbacks;
+
+		wfDebug( __METHOD__."\n" );
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$ns = $this->mTitle->getNamespace();
+		$t = $this->mTitle->getDBkey();
+		$id = $this->mTitle->getArticleID();
+
+		if ( $t == '' || $id == 0 ) {
+			return false;
+		}
+
+		$u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getContent() ), -1 );
+		array_push( $wgDeferredUpdateList, $u );
+
+		// For now, shunt the revision data into the archive table.
+		// Text is *not* removed from the text table; bulk storage
+		// is left intact to avoid breaking block-compression or
+		// immutable storage schemes.
+		//
+		// For backwards compatibility, note that some older archive
+		// table entries will have ar_text and ar_flags fields still.
+		//
+		// In the future, we may keep revisions and mark them with
+		// the rev_deleted field, which is reserved for this purpose.
+		$dbw->insertSelect( 'archive', array( 'page', 'revision' ),
+			array(
+				'ar_namespace'  => 'page_namespace',
+				'ar_title'      => 'page_title',
+				'ar_comment'    => 'rev_comment',
+				'ar_user'       => 'rev_user',
+				'ar_user_text'  => 'rev_user_text',
+				'ar_timestamp'  => 'rev_timestamp',
+				'ar_minor_edit' => 'rev_minor_edit',
+				'ar_rev_id'     => 'rev_id',
+				'ar_text_id'    => 'rev_text_id',
+			), array(
+				'page_id' => $id,
+				'page_id = rev_page'
+			), __METHOD__
+		);
+
+		# Now that it's safely backed up, delete it
+		$dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__ );
+		$dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__);
+
+		if ($wgUseTrackbacks)
+			$dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__ );
+
+ 		# Clean up recentchanges entries...
+		$dbw->delete( 'recentchanges', array( 'rc_namespace' => $ns, 'rc_title' => $t ), __METHOD__ );
+
+		# Finally, clean up the link tables
+		$t = $this->mTitle->getPrefixedDBkey();
+
+		# Clear caches
+		Article::onArticleDelete( $this->mTitle );
+
+		# Delete outgoing links
+		$dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
+		$dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
+		$dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
+		$dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
+		$dbw->delete( 'externallinks', array( 'el_from' => $id ) );
+		$dbw->delete( 'langlinks', array( 'll_from' => $id ) );
+
+		# Log the deletion
+		$log = new LogPage( 'delete' );
+		$log->addEntry( 'delete', $this->mTitle, $reason );
+
+		# Clear the cached article id so the interface doesn't act like we exist
+		$this->mTitle->resetArticleID( 0 );
+		$this->mTitle->mArticleID = 0;
+		return true;
+	}
+
+	/**
+	 * Revert a modification
+	 */
+	function rollback() {
+		global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
+
+		if( $wgUser->isAllowed( 'rollback' ) ) {
+			if( $wgUser->isBlocked() ) {
+				$wgOut->blockedPage();
+				return;
+			}
+		} else {
+			$wgOut->permissionRequired( 'rollback' );
+			return;
+		}
+
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage( $this->getContent() );
+			return;
+		}
+		if( !$wgUser->matchEditToken( $wgRequest->getVal( 'token' ),
+			array( $this->mTitle->getPrefixedText(),
+				$wgRequest->getVal( 'from' ) )  ) ) {
+			$wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
+			$wgOut->addWikiText( wfMsg( 'sessionfailure' ) );
+			return;
+		}
+		$dbw =& wfGetDB( DB_MASTER );
+
+		# Enhanced rollback, marks edits rc_bot=1
+		$bot = $wgRequest->getBool( 'bot' );
+
+		# Replace all this user's current edits with the next one down
+		$tt = $this->mTitle->getDBKey();
+		$n = $this->mTitle->getNamespace();
+
+		# Get the last editor
+		$current = Revision::newFromTitle( $this->mTitle );
+		if( is_null( $current ) ) {
+			# Something wrong... no page?
+			$wgOut->addHTML( wfMsg( 'notanarticle' ) );
+			return;
+		}
+
+		$from = str_replace( '_', ' ', $wgRequest->getVal( 'from' ) );
+		if( $from != $current->getUserText() ) {
+			$wgOut->setPageTitle( wfMsg('rollbackfailed') );
+			$wgOut->addWikiText( wfMsg( 'alreadyrolled',
+				htmlspecialchars( $this->mTitle->getPrefixedText()),
+				htmlspecialchars( $from ),
+				htmlspecialchars( $current->getUserText() ) ) );
+			if( $current->getComment() != '') {
+				$wgOut->addHTML(
+					wfMsg( 'editcomment',
+					htmlspecialchars( $current->getComment() ) ) );
+			}
+			return;
+		}
+
+		# Get the last edit not by this guy
+		$user = intval( $current->getUser() );
+		$user_text = $dbw->addQuotes( $current->getUserText() );
+		$s = $dbw->selectRow( 'revision',
+			array( 'rev_id', 'rev_timestamp' ),
+			array(
+				'rev_page' => $current->getPage(),
+				"rev_user <> {$user} OR rev_user_text <> {$user_text}"
+			), __METHOD__,
+			array(
+				'USE INDEX' => 'page_timestamp',
+				'ORDER BY'  => 'rev_timestamp DESC' )
+			);
+		if( $s === false ) {
+			# Something wrong
+			$wgOut->setPageTitle(wfMsg('rollbackfailed'));
+			$wgOut->addHTML( wfMsg( 'cantrollback' ) );
+			return;
+		}
+
+		$set = array();
+		if ( $bot ) {
+			# Mark all reverted edits as bot
+			$set['rc_bot'] = 1;
+		}
+		if ( $wgUseRCPatrol ) {
+			# Mark all reverted edits as patrolled
+			$set['rc_patrolled'] = 1;
+		}
+
+		if ( $set ) {
+			$dbw->update( 'recentchanges', $set,
+				array( /* WHERE */
+					'rc_cur_id'    => $current->getPage(),
+					'rc_user_text' => $current->getUserText(),
+					"rc_timestamp > '{$s->rev_timestamp}'",
+				), __METHOD__
+			);
+		}
+
+		# Get the edit summary
+		$target = Revision::newFromId( $s->rev_id );
+		$newComment = wfMsgForContent( 'revertpage', $target->getUserText(), $from );
+		$newComment = $wgRequest->getText( 'summary', $newComment );
+
+		# Save it!
+		$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->addHTML( '<h2>' . htmlspecialchars( $newComment ) . "</h2>\n<hr />\n" );
+
+		$this->updateArticle( $target->getText(), $newComment, 1, $this->mTitle->userIsWatching(), $bot );
+
+		$wgOut->returnToMain( false );
+	}
+
+
+	/**
+	 * Do standard deferred updates after page view
+	 * @private
+	 */
+	function viewUpdates() {
+		global $wgDeferredUpdateList;
+
+		if ( 0 != $this->getID() ) {
+			global $wgDisableCounters;
+			if( !$wgDisableCounters ) {
+				Article::incViewCount( $this->getID() );
+				$u = new SiteStatsUpdate( 1, 0, 0 );
+				array_push( $wgDeferredUpdateList, $u );
+			}
+		}
+
+		# Update newtalk / watchlist notification status
+		global $wgUser;
+		$wgUser->clearNotification( $this->mTitle );
+	}
+
+	/**
+	 * Do standard deferred updates after page edit.
+	 * Update links tables, site stats, search index and message cache.
+	 * Every 1000th edit, prune the recent changes table.
+	 * 
+	 * @private
+	 * @param $text New text of the article
+	 * @param $summary Edit summary
+	 * @param $minoredit Minor edit
+	 * @param $timestamp_of_pagechange Timestamp associated with the page change
+	 * @param $newid rev_id value of the new revision
+	 * @param $changed Whether or not the content actually changed
+	 */
+	function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
+		global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser;
+
+		wfProfileIn( __METHOD__ );
+
+		# Parse the text
+		$options = new ParserOptions;
+		$options->setTidy(true);
+		$poutput = $wgParser->parse( $text, $this->mTitle, $options, true, true, $newid );
+
+		# Save it to the parser cache
+		$parserCache =& ParserCache::singleton();
+		$parserCache->save( $poutput, $this, $wgUser );
+
+		# Update the links tables
+		$u = new LinksUpdate( $this->mTitle, $poutput );
+		$u->doUpdate();
+
+		if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
+			wfSeedRandom();
+			if ( 0 == mt_rand( 0, 999 ) ) {
+				# Periodically flush old entries from the recentchanges table.
+				global $wgRCMaxAge;
+
+				$dbw =& wfGetDB( DB_MASTER );
+				$cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
+				$recentchanges = $dbw->tableName( 'recentchanges' );
+				$sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
+				$dbw->query( $sql );
+			}
+		}
+
+		$id = $this->getID();
+		$title = $this->mTitle->getPrefixedDBkey();
+		$shortTitle = $this->mTitle->getDBkey();
+
+		if ( 0 == $id ) {
+			wfProfileOut( __METHOD__ );
+			return;
+		}
+
+		$u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment, $this->mTotalAdjustment );
+		array_push( $wgDeferredUpdateList, $u );
+		$u = new SearchUpdate( $id, $title, $text );
+		array_push( $wgDeferredUpdateList, $u );
+
+		# If this is another user's talk page, update newtalk
+		# Don't do this if $changed = false otherwise some idiot can null-edit a
+		# load of user talk pages and piss people off
+		if( $this->mTitle->getNamespace() == NS_USER_TALK && $shortTitle != $wgUser->getName() && $changed ) {
+			if (wfRunHooks('ArticleEditUpdateNewTalk', array(&$this)) ) {
+				$other = User::newFromName( $shortTitle );
+				if( is_null( $other ) && User::isIP( $shortTitle ) ) {
+					// An anonymous user
+					$other = new User();
+					$other->setName( $shortTitle );
+				}
+				if( $other ) {
+					$other->setNewtalk( true );
+				}
+			}
+		}
+
+		if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+			$wgMessageCache->replace( $shortTitle, $text );
+		}
+
+		wfProfileOut( __METHOD__ );
+	}
+
+	/**
+	 * Generate the navigation links when browsing through an article revisions
+	 * It shows the information as:
+	 *   Revision as of \<date\>; view current revision
+	 *   \<- Previous version | Next Version -\>
+	 *
+	 * @private
+	 * @param string $oldid		Revision ID of this article revision
+	 */
+	function setOldSubtitle( $oldid=0 ) {
+		global $wgLang, $wgOut, $wgUser;
+
+		$revision = Revision::newFromId( $oldid );
+
+		$current = ( $oldid == $this->mLatest );
+		$td = $wgLang->timeanddate( $this->mTimestamp, true );
+		$sk = $wgUser->getSkin();
+		$lnk = $current
+			? wfMsg( 'currentrevisionlink' )
+			: $lnk = $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'currentrevisionlink' ) );
+		$prev = $this->mTitle->getPreviousRevisionID( $oldid ) ;
+		$prevlink = $prev
+			? $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'previousrevision' ), 'direction=prev&oldid='.$oldid )
+			: wfMsg( 'previousrevision' );
+		$prevdiff = $prev
+			? $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'diff' ), 'diff=prev&oldid='.$oldid )
+			: wfMsg( 'diff' );
+		$nextlink = $current
+			? wfMsg( 'nextrevision' )
+			: $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'nextrevision' ), 'direction=next&oldid='.$oldid );
+		$nextdiff = $current
+			? wfMsg( 'diff' )
+			: $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'diff' ), 'diff=next&oldid='.$oldid );
+		
+		$userlinks = $sk->userLink( $revision->getUser(), $revision->getUserText() )
+						. $sk->userToolLinks( $revision->getUser(), $revision->getUserText() );
+		
+		$r = wfMsg( 'old-revision-navigation', $td, $lnk, $prevlink, $nextlink, $userlinks, $prevdiff, $nextdiff );
+		$wgOut->setSubtitle( $r );
+	}
+
+	/**
+	 * This function is called right before saving the wikitext,
+	 * so we can do things like signatures and links-in-context.
+	 *
+	 * @param string $text
+	 */
+	function preSaveTransform( $text ) {
+		global $wgParser, $wgUser;
+		return $wgParser->preSaveTransform( $text, $this->mTitle, $wgUser, ParserOptions::newFromUser( $wgUser ) );
+	}
+
+	/* Caching functions */
+
+	/**
+	 * checkLastModified returns true if it has taken care of all
+	 * output to the client that is necessary for this request.
+	 * (that is, it has sent a cached version of the page)
+	 */
+	function tryFileCache() {
+		static $called = false;
+		if( $called ) {
+			wfDebug( "Article::tryFileCache(): called twice!?\n" );
+			return;
+		}
+		$called = true;
+		if($this->isFileCacheable()) {
+			$touched = $this->mTouched;
+			$cache = new CacheManager( $this->mTitle );
+			if($cache->isFileCacheGood( $touched )) {
+				wfDebug( "Article::tryFileCache(): about to load file\n" );
+				$cache->loadFromFileCache();
+				return true;
+			} else {
+				wfDebug( "Article::tryFileCache(): starting buffer\n" );
+				ob_start( array(&$cache, 'saveToFileCache' ) );
+			}
+		} else {
+			wfDebug( "Article::tryFileCache(): not cacheable\n" );
+		}
+	}
+
+	/**
+	 * Check if the page can be cached
+	 * @return bool
+	 */
+	function isFileCacheable() {
+		global $wgUser, $wgUseFileCache, $wgShowIPinHeader, $wgRequest;
+		extract( $wgRequest->getValues( 'action', 'oldid', 'diff', 'redirect', 'printable' ) );
+
+		return $wgUseFileCache
+			and (!$wgShowIPinHeader)
+			and ($this->getID() != 0)
+			and ($wgUser->isAnon())
+			and (!$wgUser->getNewtalk())
+			and ($this->mTitle->getNamespace() != NS_SPECIAL )
+			and (empty( $action ) || $action == 'view')
+			and (!isset($oldid))
+			and (!isset($diff))
+			and (!isset($redirect))
+			and (!isset($printable))
+			and (!$this->mRedirectedFrom);
+	}
+
+	/**
+	 * Loads page_touched and returns a value indicating if it should be used
+	 *
+	 */
+	function checkTouched() {
+		if( !$this->mDataLoaded ) {
+			$this->loadPageData();
+		}
+		return !$this->mIsRedirect;
+	}
+
+	/**
+	 * Get the page_touched field
+	 */
+	function getTouched() {
+		# Ensure that page data has been loaded
+		if( !$this->mDataLoaded ) {
+			$this->loadPageData();
+		}
+		return $this->mTouched;
+	}
+
+	/**
+	 * Get the page_latest field
+	 */
+	function getLatest() {
+		if ( !$this->mDataLoaded ) {
+			$this->loadPageData();
+		}
+		return $this->mLatest;
+	}
+
+	/**
+	 * Edit an article without doing all that other stuff
+	 * The article must already exist; link tables etc
+	 * are not updated, caches are not flushed.
+	 *
+	 * @param string $text text submitted
+	 * @param string $comment comment submitted
+	 * @param bool $minor whereas it's a minor modification
+	 */
+	function quickEdit( $text, $comment = '', $minor = 0 ) {
+		wfProfileIn( __METHOD__ );
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->begin();
+		$revision = new Revision( array(
+			'page'       => $this->getId(),
+			'text'       => $text,
+			'comment'    => $comment,
+			'minor_edit' => $minor ? 1 : 0,
+			) );
+		# fixme : $revisionId never used
+		$revisionId = $revision->insertOn( $dbw );
+		$this->updateRevisionOn( $dbw, $revision );
+		$dbw->commit();
+
+		wfProfileOut( __METHOD__ );
+	}
+
+	/**
+	 * Used to increment the view counter
+	 *
+	 * @static
+	 * @param integer $id article id
+	 */
+	function incViewCount( $id ) {
+		$id = intval( $id );
+		global $wgHitcounterUpdateFreq, $wgDBtype;
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$pageTable = $dbw->tableName( 'page' );
+		$hitcounterTable = $dbw->tableName( 'hitcounter' );
+		$acchitsTable = $dbw->tableName( 'acchits' );
+
+		if( $wgHitcounterUpdateFreq <= 1 ){ //
+			$dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
+			return;
+		}
+
+		# Not important enough to warrant an error page in case of failure
+		$oldignore = $dbw->ignoreErrors( true );
+
+		$dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
+
+		$checkfreq = intval( $wgHitcounterUpdateFreq/25 + 1 );
+		if( (rand() % $checkfreq != 0) or ($dbw->lastErrno() != 0) ){
+			# Most of the time (or on SQL errors), skip row count check
+			$dbw->ignoreErrors( $oldignore );
+			return;
+		}
+
+		$res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
+		$row = $dbw->fetchObject( $res );
+		$rown = intval( $row->n );
+		if( $rown >= $wgHitcounterUpdateFreq ){
+			wfProfileIn( 'Article::incViewCount-collect' );
+			$old_user_abort = ignore_user_abort( true );
+
+			if ($wgDBtype == 'mysql')
+				$dbw->query("LOCK TABLES $hitcounterTable WRITE");
+			$tabletype = $wgDBtype == 'mysql' ? "ENGINE=HEAP " : '';
+			$dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype".
+				"SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
+				'GROUP BY hc_id');
+			$dbw->query("DELETE FROM $hitcounterTable");
+			if ($wgDBtype == 'mysql')
+				$dbw->query('UNLOCK TABLES');
+			$dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
+				'WHERE page_id = hc_id');
+			$dbw->query("DROP TABLE $acchitsTable");
+
+			ignore_user_abort( $old_user_abort );
+			wfProfileOut( 'Article::incViewCount-collect' );
+		}
+		$dbw->ignoreErrors( $oldignore );
+	}
+
+	/**#@+
+	 * The onArticle*() functions are supposed to be a kind of hooks
+	 * which should be called whenever any of the specified actions
+	 * are done.
+	 *
+	 * This is a good place to put code to clear caches, for instance.
+	 *
+	 * This is called on page move and undelete, as well as edit
+	 * @static
+	 * @param $title_obj a title object
+	 */
+
+	static function onArticleCreate($title) {
+		# The talk page isn't in the regular link tables, so we need to update manually:
+		if ( $title->isTalkPage() ) {
+			$other = $title->getSubjectPage();
+		} else {
+			$other = $title->getTalkPage();
+		}
+		$other->invalidateCache();
+		$other->purgeSquid();
+
+		$title->touchLinks();
+		$title->purgeSquid();
+	}
+
+	static function onArticleDelete( $title ) {
+		global $wgUseFileCache, $wgMessageCache;
+
+		$title->touchLinks();
+		$title->purgeSquid();
+		
+		# File cache
+		if ( $wgUseFileCache ) {
+			$cm = new CacheManager( $title );
+			@unlink( $cm->fileCacheName() );
+		}
+
+		if( $title->getNamespace() == NS_MEDIAWIKI) {
+			$wgMessageCache->replace( $title->getDBkey(), false );
+		}
+	}
+
+	/**
+	 * Purge caches on page update etc
+	 */
+	static function onArticleEdit( $title ) {
+		global $wgDeferredUpdateList, $wgUseFileCache;
+
+		$urls = array();
+
+		// Invalidate caches of articles which include this page
+		$update = new HTMLCacheUpdate( $title, 'templatelinks' );
+		$wgDeferredUpdateList[] = $update;
+
+		# Purge squid for this page only
+		$title->purgeSquid();
+
+		# Clear file cache
+		if ( $wgUseFileCache ) {
+			$cm = new CacheManager( $title );
+			@unlink( $cm->fileCacheName() );
+		}
+	}
+
+	/**#@-*/
+
+	/**
+	 * Info about this page
+	 * Called for ?action=info when $wgAllowPageInfo is on.
+	 *
+	 * @public
+	 */
+	function info() {
+		global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
+
+		if ( !$wgAllowPageInfo ) {
+			$wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
+			return;
+		}
+
+		$page = $this->mTitle->getSubjectPage();
+
+		$wgOut->setPagetitle( $page->getPrefixedText() );
+		$wgOut->setSubtitle( wfMsg( 'infosubtitle' ));
+
+		# first, see if the page exists at all.
+		$exists = $page->getArticleId() != 0;
+		if( !$exists ) {
+			if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+				$wgOut->addHTML(wfMsgWeirdKey ( $this->mTitle->getText() ) );
+			} else {
+				$wgOut->addHTML(wfMsg( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon' ) );
+			}
+		} else {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$wl_clause = array(
+				'wl_title'     => $page->getDBkey(),
+				'wl_namespace' => $page->getNamespace() );
+			$numwatchers = $dbr->selectField(
+				'watchlist',
+				'COUNT(*)',
+				$wl_clause,
+				__METHOD__,
+				$this->getSelectOptions() );
+
+			$pageInfo = $this->pageCountInfo( $page );
+			$talkInfo = $this->pageCountInfo( $page->getTalkPage() );
+
+			$wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
+			$wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
+			if( $talkInfo ) {
+				$wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
+			}
+			$wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
+			if( $talkInfo ) {
+				$wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
+			}
+			$wgOut->addHTML( '</ul>' );
+
+		}
+	}
+
+	/**
+	 * Return the total number of edits and number of unique editors
+	 * on a given page. If page does not exist, returns false.
+	 *
+	 * @param Title $title
+	 * @return array
+	 * @private
+	 */
+	function pageCountInfo( $title ) {
+		$id = $title->getArticleId();
+		if( $id == 0 ) {
+			return false;
+		}
+
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		$rev_clause = array( 'rev_page' => $id );
+
+		$edits = $dbr->selectField(
+			'revision',
+			'COUNT(rev_page)',
+			$rev_clause,
+			__METHOD__,
+			$this->getSelectOptions() );
+
+		$authors = $dbr->selectField(
+			'revision',
+			'COUNT(DISTINCT rev_user_text)',
+			$rev_clause,
+			__METHOD__,
+			$this->getSelectOptions() );
+
+		return array( 'edits' => $edits, 'authors' => $authors );
+	}
+
+	/**
+	 * Return a list of templates used by this article.
+	 * Uses the templatelinks table
+	 *
+	 * @return array Array of Title objects
+	 */
+	function getUsedTemplates() {
+		$result = array();
+		$id = $this->mTitle->getArticleID();
+		if( $id == 0 ) {
+			return array();
+		}
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( array( 'templatelinks' ),
+			array( 'tl_namespace', 'tl_title' ),
+			array( 'tl_from' => $id ),
+			'Article:getUsedTemplates' );
+		if ( false !== $res ) {
+			if ( $dbr->numRows( $res ) ) {
+				while ( $row = $dbr->fetchObject( $res ) ) {
+					$result[] = Title::makeTitle( $row->tl_namespace, $row->tl_title );
+				}
+			}
+		}
+		$dbr->freeResult( $res );
+		return $result;
+	}
+}
+
+?>
diff --git a/includes/AuthPlugin.php b/includes/AuthPlugin.php
new file mode 100644
index 00000000..1d955418
--- /dev/null
+++ b/includes/AuthPlugin.php
@@ -0,0 +1,232 @@
+<?php
+/**
+ * @package MediaWiki
+ */
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Authentication plugin interface. Instantiate a subclass of AuthPlugin
+ * and set $wgAuth to it to authenticate against some external tool.
+ *
+ * The default behavior is not to do anything, and use the local user
+ * database for all authentication. A subclass can require that all
+ * accounts authenticate externally, or use it only as a fallback; also
+ * you can transparently create internal wiki accounts the first time
+ * someone logs in who can be authenticated externally.
+ *
+ * This interface is new, and might change a bit before 1.4.0 final is
+ * done...
+ *
+ * @package MediaWiki
+ */
+class AuthPlugin {
+	/**
+	 * Check whether there exists a user account with the given name.
+	 * The name will be normalized to MediaWiki's requirements, so
+	 * you might need to munge it (for instance, for lowercase initial
+	 * letters).
+	 *
+	 * @param $username String: username.
+	 * @return bool
+	 * @public
+	 */
+	function userExists( $username ) {
+		# Override this!
+		return false;
+	}
+
+	/**
+	 * Check if a username+password pair is a valid login.
+	 * The name will be normalized to MediaWiki's requirements, so
+	 * you might need to munge it (for instance, for lowercase initial
+	 * letters).
+	 *
+	 * @param $username String: username.
+	 * @param $password String: user password.
+	 * @return bool
+	 * @public
+	 */
+	function authenticate( $username, $password ) {
+		# Override this!
+		return false;
+	}
+
+	/**
+	 * Modify options in the login template.
+	 *
+	 * @param $template UserLoginTemplate object.
+	 * @public
+	 */
+	function modifyUITemplate( &$template ) {
+		# Override this!
+		$template->set( 'usedomain', false );
+	}
+
+	/**
+	 * Set the domain this plugin is supposed to use when authenticating.
+	 *
+	 * @param $domain String: authentication domain.
+	 * @public
+	 */
+	function setDomain( $domain ) {
+		$this->domain = $domain;
+	}
+
+	/**
+	 * Check to see if the specific domain is a valid domain.
+	 *
+	 * @param $domain String: authentication domain.
+	 * @return bool
+	 * @public
+	 */
+	function validDomain( $domain ) {
+		# Override this!
+		return true;
+	}
+
+	/**
+	 * When a user logs in, optionally fill in preferences and such.
+	 * For instance, you might pull the email address or real name from the
+	 * external user database.
+	 *
+	 * The User object is passed by reference so it can be modified; don't
+	 * forget the & on your function declaration.
+	 *
+	 * @param User $user
+	 * @public
+	 */
+	function updateUser( &$user ) {
+		# Override this and do something
+		return true;
+	}
+
+
+	/**
+	 * Return true if the wiki should create a new local account automatically
+	 * when asked to login a user who doesn't exist locally but does in the
+	 * external auth database.
+	 *
+	 * If you don't automatically create accounts, you must still create
+	 * accounts in some way. It's not possible to authenticate without
+	 * a local account.
+	 *
+	 * This is just a question, and shouldn't perform any actions.
+	 *
+	 * @return bool
+	 * @public
+	 */
+	function autoCreate() {
+		return false;
+	}
+
+	/**
+	 * Can users change their passwords?
+	 *
+	 * @return bool
+	 */
+	function allowPasswordChange() {
+		return true;
+	}
+
+	/**
+	 * Set the given password in the authentication database.
+	 * Return true if successful.
+	 *
+	 * @param $password String: password.
+	 * @return bool
+	 * @public
+	 */
+	function setPassword( $password ) {
+		return true;
+	}
+
+	/**
+	 * Update user information in the external authentication database.
+	 * Return true if successful.
+	 *
+	 * @param $user User object.
+	 * @return bool
+	 * @public
+	 */
+	function updateExternalDB( $user ) {
+		return true;
+	}
+
+	/**
+	 * Check to see if external accounts can be created.
+	 * Return true if external accounts can be created.
+	 * @return bool
+	 * @public
+	 */
+	function canCreateAccounts() {
+		return false;
+	}
+
+	/**
+	 * Add a user to the external authentication database.
+	 * Return true if successful.
+	 *
+	 * @param User $user
+	 * @param string $password
+	 * @return bool
+	 * @public
+	 */
+	function addUser( $user, $password ) {
+		return true;
+	}
+
+
+	/**
+	 * Return true to prevent logins that don't authenticate here from being
+	 * checked against the local database's password fields.
+	 *
+	 * This is just a question, and shouldn't perform any actions.
+	 *
+	 * @return bool
+	 * @public
+	 */
+	function strict() {
+		return false;
+	}
+
+	/**
+	 * When creating a user account, optionally fill in preferences and such.
+	 * For instance, you might pull the email address or real name from the
+	 * external user database.
+	 *
+	 * The User object is passed by reference so it can be modified; don't
+	 * forget the & on your function declaration.
+	 *
+	 * @param $user User object.
+	 * @public
+	 */
+	function initUser( &$user ) {
+		# Override this to do something.
+	}
+
+	/**
+	 * If you want to munge the case of an account name before the final
+	 * check, now is your chance.
+	 */
+	function getCanonicalName( $username ) {
+		return $username;
+	}
+}
+
+?>
diff --git a/includes/AutoLoader.php b/includes/AutoLoader.php
new file mode 100644
index 00000000..7d09d5b6
--- /dev/null
+++ b/includes/AutoLoader.php
@@ -0,0 +1,272 @@
+<?php
+
+/* This defines autoloading handler for whole MediaWiki framework */
+
+ini_set('unserialize_callback_func', '__autoload' );
+
+function __autoload($className) {
+	global $wgAutoloadClasses;
+
+	static $localClasses = array(
+		'AjaxDispatcher' => 'includes/AjaxDispatcher.php',
+		'AjaxCachePolicy' => 'includes/AjaxFunctions.php',
+		'Article' => 'includes/Article.php',
+		'AuthPlugin' => 'includes/AuthPlugin.php',
+		'BagOStuff' => 'includes/BagOStuff.php',
+		'HashBagOStuff' => 'includes/BagOStuff.php',
+		'SqlBagOStuff' => 'includes/BagOStuff.php',
+		'MediaWikiBagOStuff' => 'includes/BagOStuff.php',
+		'TurckBagOStuff' => 'includes/BagOStuff.php',
+		'APCBagOStuff' => 'includes/BagOStuff.php',
+		'eAccelBagOStuff' => 'includes/BagOStuff.php',
+		'Block' => 'includes/Block.php',
+		'CacheManager' => 'includes/CacheManager.php',
+		'CategoryPage' => 'includes/CategoryPage.php',
+		'Categoryfinder' => 'includes/Categoryfinder.php',
+		'RCCacheEntry' => 'includes/ChangesList.php',
+		'ChangesList' => 'includes/ChangesList.php',
+		'OldChangesList' => 'includes/ChangesList.php',
+		'EnhancedChangesList' => 'includes/ChangesList.php',
+		'CoreParserFunctions' => 'includes/CoreParserFunctions.php',
+		'DBObject' => 'includes/Database.php',
+		'Database' => 'includes/Database.php',
+		'DatabaseMysql' => 'includes/Database.php',
+		'ResultWrapper' => 'includes/Database.php',
+		'OracleBlob' => 'includes/DatabaseOracle.php',
+		'DatabaseOracle' => 'includes/DatabaseOracle.php',
+		'DatabasePostgres' => 'includes/DatabasePostgres.php',
+		'DateFormatter' => 'includes/DateFormatter.php',
+		'DifferenceEngine' => 'includes/DifferenceEngine.php',
+		'_DiffOp' => 'includes/DifferenceEngine.php',
+		'_DiffOp_Copy' => 'includes/DifferenceEngine.php',
+		'_DiffOp_Delete' => 'includes/DifferenceEngine.php',
+		'_DiffOp_Add' => 'includes/DifferenceEngine.php',
+		'_DiffOp_Change' => 'includes/DifferenceEngine.php',
+		'_DiffEngine' => 'includes/DifferenceEngine.php',
+		'Diff' => 'includes/DifferenceEngine.php',
+		'MappedDiff' => 'includes/DifferenceEngine.php',
+		'DiffFormatter' => 'includes/DifferenceEngine.php',
+		'DjVuImage' => 'includes/DjVuImage.php',
+		'_HWLDF_WordAccumulator' => 'includes/DifferenceEngine.php',
+		'WordLevelDiff' => 'includes/DifferenceEngine.php',
+		'TableDiffFormatter' => 'includes/DifferenceEngine.php',
+		'EditPage' => 'includes/EditPage.php',
+		'MWException' => 'includes/Exception.php',
+		'Exif' => 'includes/Exif.php',
+		'FormatExif' => 'includes/Exif.php',
+		'WikiExporter' => 'includes/Export.php',
+		'XmlDumpWriter' => 'includes/Export.php',
+		'DumpOutput' => 'includes/Export.php',
+		'DumpFileOutput' => 'includes/Export.php',
+		'DumpPipeOutput' => 'includes/Export.php',
+		'DumpGZipOutput' => 'includes/Export.php',
+		'DumpBZip2Output' => 'includes/Export.php',
+		'Dump7ZipOutput' => 'includes/Export.php',
+		'DumpFilter' => 'includes/Export.php',
+		'DumpNotalkFilter' => 'includes/Export.php',
+		'DumpNamespaceFilter' => 'includes/Export.php',
+		'DumpLatestFilter' => 'includes/Export.php',
+		'DumpMultiWriter' => 'includes/Export.php',
+		'ExternalEdit' => 'includes/ExternalEdit.php',
+		'ExternalStore' => 'includes/ExternalStore.php',
+		'ExternalStoreDB' => 'includes/ExternalStoreDB.php',
+		'ExternalStoreHttp' => 'includes/ExternalStoreHttp.php',
+		'FakeTitle' => 'includes/FakeTitle.php',
+		'FeedItem' => 'includes/Feed.php',
+		'ChannelFeed' => 'includes/Feed.php',
+		'RSSFeed' => 'includes/Feed.php',
+		'AtomFeed' => 'includes/Feed.php',
+		'FileStore' => 'includes/FileStore.php',
+		'FSException' => 'includes/FileStore.php',
+		'FSTransaction' => 'includes/FileStore.php',
+		'ReplacerCallback' => 'includes/GlobalFunctions.php',
+		'HTMLForm' => 'includes/HTMLForm.php',
+		'HistoryBlob' => 'includes/HistoryBlob.php',
+		'ConcatenatedGzipHistoryBlob' => 'includes/HistoryBlob.php',
+		'HistoryBlobStub' => 'includes/HistoryBlob.php',
+		'HistoryBlobCurStub' => 'includes/HistoryBlob.php',
+		'HTMLCacheUpdate' => 'includes/HTMLCacheUpdate.php',
+		'HTMLCacheUpdateJob' => 'includes/HTMLCacheUpdate.php',
+		'Http' => 'includes/HttpFunctions.php',
+		'Image' => 'includes/Image.php',
+		'ThumbnailImage' => 'includes/Image.php',
+		'ImageGallery' => 'includes/ImageGallery.php',
+		'ImagePage' => 'includes/ImagePage.php',
+		'ImageHistoryList' => 'includes/ImagePage.php',
+		'ImageRemote' => 'includes/ImageRemote.php',
+		'Job' => 'includes/JobQueue.php',
+		'Licenses' => 'includes/Licenses.php',
+		'License' => 'includes/Licenses.php',
+		'LinkBatch' => 'includes/LinkBatch.php',
+		'LinkCache' => 'includes/LinkCache.php',
+		'LinkFilter' => 'includes/LinkFilter.php',
+		'Linker' => 'includes/Linker.php',
+		'LinksUpdate' => 'includes/LinksUpdate.php',
+		'LoadBalancer' => 'includes/LoadBalancer.php',
+		'LogPage' => 'includes/LogPage.php',
+		'MacBinary' => 'includes/MacBinary.php',
+		'MagicWord' => 'includes/MagicWord.php',
+		'MathRenderer' => 'includes/Math.php',
+		'MessageCache' => 'includes/MessageCache.php',
+		'MimeMagic' => 'includes/MimeMagic.php',
+		'Namespace' => 'includes/Namespace.php',
+		'FakeMemCachedClient' => 'includes/ObjectCache.php',
+		'OutputPage' => 'includes/OutputPage.php',
+		'PageHistory' => 'includes/PageHistory.php',
+		'Parser' => 'includes/Parser.php',
+		'ParserOutput' => 'includes/Parser.php',
+		'ParserOptions' => 'includes/Parser.php',
+		'ParserCache' => 'includes/ParserCache.php',
+		'element' => 'includes/ParserXML.php',
+		'xml2php' => 'includes/ParserXML.php',
+		'ParserXML' => 'includes/ParserXML.php',
+		'ProfilerSimple' => 'includes/ProfilerSimple.php',
+		'ProfilerSimpleUDP' => 'includes/ProfilerSimpleUDP.php',
+		'Profiler' => 'includes/Profiling.php',
+		'ProxyTools' => 'includes/ProxyTools.php',
+		'ProtectionForm' => 'includes/ProtectionForm.php',
+		'QueryPage' => 'includes/QueryPage.php',
+		'PageQueryPage' => 'includes/QueryPage.php',
+		'RawPage' => 'includes/RawPage.php',
+		'RecentChange' => 'includes/RecentChange.php',
+		'Revision' => 'includes/Revision.php',
+		'Sanitizer' => 'includes/Sanitizer.php',
+		'SearchEngine' => 'includes/SearchEngine.php',
+		'SearchResultSet' => 'includes/SearchEngine.php',
+		'SearchResult' => 'includes/SearchEngine.php',
+		'SearchEngineDummy' => 'includes/SearchEngine.php',
+		'SearchMySQL' => 'includes/SearchMySQL.php',
+		'MySQLSearchResultSet' => 'includes/SearchMySQL.php',
+		'SearchMySQL4' => 'includes/SearchMySQL4.php',
+		'SearchPostgres' => 'includes/SearchPostgres.php',
+		'SearchUpdate' => 'includes/SearchUpdate.php',
+		'SearchUpdateMyISAM' => 'includes/SearchUpdate.php',
+		'SiteConfiguration' => 'includes/SiteConfiguration.php',
+		'SiteStatsUpdate' => 'includes/SiteStatsUpdate.php',
+		'Skin' => 'includes/Skin.php',
+		'MediaWiki_I18N' => 'includes/SkinTemplate.php',
+		'SkinTemplate' => 'includes/SkinTemplate.php',
+		'QuickTemplate' => 'includes/SkinTemplate.php',
+		'SpecialAllpages' => 'includes/SpecialAllpages.php',
+		'AncientPagesPage' => 'includes/SpecialAncientpages.php',
+		'IPBlockForm' => 'includes/SpecialBlockip.php',
+		'BookSourceList' => 'includes/SpecialBooksources.php',
+		'BrokenRedirectsPage' => 'includes/SpecialBrokenRedirects.php',
+		'CategoriesPage' => 'includes/SpecialCategories.php',
+		'EmailConfirmation' => 'includes/SpecialConfirmemail.php',
+		'ContribsFinder' => 'includes/SpecialContributions.php',
+		'DeadendPagesPage' => 'includes/SpecialDeadendpages.php',
+		'DisambiguationsPage' => 'includes/SpecialDisambiguations.php',
+		'DoubleRedirectsPage' => 'includes/SpecialDoubleRedirects.php',
+		'EmailUserForm' => 'includes/SpecialEmailuser.php',
+		'WikiRevision' => 'includes/SpecialImport.php',
+		'WikiImporter' => 'includes/SpecialImport.php',
+		'ImportStringSource' => 'includes/SpecialImport.php',
+		'ImportStreamSource' => 'includes/SpecialImport.php',
+		'IPUnblockForm' => 'includes/SpecialIpblocklist.php',
+		'ListredirectsPage' => 'includes/SpecialListredirects.php',
+		'ListUsersPage' => 'includes/SpecialListusers.php',
+		'DBLockForm' => 'includes/SpecialLockdb.php',
+		'LogReader' => 'includes/SpecialLog.php',
+		'LogViewer' => 'includes/SpecialLog.php',
+		'LonelyPagesPage' => 'includes/SpecialLonelypages.php',
+		'LongPagesPage' => 'includes/SpecialLongpages.php',
+		'MIMEsearchPage' => 'includes/SpecialMIMEsearch.php',
+		'MostcategoriesPage' => 'includes/SpecialMostcategories.php',
+		'MostimagesPage' => 'includes/SpecialMostimages.php',
+		'MostlinkedPage' => 'includes/SpecialMostlinked.php',
+		'MostlinkedCategoriesPage' => 'includes/SpecialMostlinkedcategories.php',
+		'MostrevisionsPage' => 'includes/SpecialMostrevisions.php',
+		'MovePageForm' => 'includes/SpecialMovepage.php',
+		'NewPagesPage' => 'includes/SpecialNewpages.php',
+		'SpecialPage' => 'includes/SpecialPage.php',
+		'UnlistedSpecialPage' => 'includes/SpecialPage.php',
+		'IncludableSpecialPage' => 'includes/SpecialPage.php',
+		'PopularPagesPage' => 'includes/SpecialPopularpages.php',
+		'PreferencesForm' => 'includes/SpecialPreferences.php',
+		'SpecialPrefixindex' => 'includes/SpecialPrefixindex.php',
+		'RevisionDeleteForm' => 'includes/SpecialRevisiondelete.php',
+		'RevisionDeleter' => 'includes/SpecialRevisiondelete.php',
+		'SpecialSearch' => 'includes/SpecialSearch.php',
+		'ShortPagesPage' => 'includes/SpecialShortpages.php',
+		'UncategorizedCategoriesPage' => 'includes/SpecialUncategorizedcategories.php',
+		'UncategorizedPagesPage' => 'includes/SpecialUncategorizedpages.php',
+		'PageArchive' => 'includes/SpecialUndelete.php',
+		'UndeleteForm' => 'includes/SpecialUndelete.php',
+		'DBUnlockForm' => 'includes/SpecialUnlockdb.php',
+		'UnusedCategoriesPage' => 'includes/SpecialUnusedcategories.php',
+		'UnusedimagesPage' => 'includes/SpecialUnusedimages.php',
+		'UnusedtemplatesPage' => 'includes/SpecialUnusedtemplates.php',
+		'UnwatchedpagesPage' => 'includes/SpecialUnwatchedpages.php',
+		'UploadForm' => 'includes/SpecialUpload.php',
+		'UploadFormMogile' => 'includes/SpecialUploadMogile.php',
+		'LoginForm' => 'includes/SpecialUserlogin.php',
+		'UserrightsForm' => 'includes/SpecialUserrights.php',
+		'SpecialVersion' => 'includes/SpecialVersion.php',
+		'WantedCategoriesPage' => 'includes/SpecialWantedcategories.php',
+		'WantedPagesPage' => 'includes/SpecialWantedpages.php',
+		'WhatLinksHerePage' => 'includes/SpecialWhatlinkshere.php',
+		'SquidUpdate' => 'includes/SquidUpdate.php',
+		'Title' => 'includes/Title.php',
+		'User' => 'includes/User.php',
+		'MailAddress' => 'includes/UserMailer.php',
+		'EmailNotification' => 'includes/UserMailer.php',
+		'WatchedItem' => 'includes/WatchedItem.php',
+		'WebRequest' => 'includes/WebRequest.php',
+		'FauxRequest' => 'includes/WebRequest.php',
+		'MediaWiki' => 'includes/Wiki.php',
+		'WikiError' => 'includes/WikiError.php',
+		'WikiErrorMsg' => 'includes/WikiError.php',
+		'WikiXmlError' => 'includes/WikiError.php',
+		'Xml' => 'includes/Xml.php',
+		'ZhClient' => 'includes/ZhClient.php',
+		'memcached' => 'includes/memcached-client.php',
+		'UtfNormal' => 'includes/normal/UtfNormal.php'
+	);
+	if ( isset( $localClasses[$className] ) ) {
+		$filename = $localClasses[$className];
+	} elseif ( isset( $wgAutoloadClasses[$className] ) ) {
+		$filename = $wgAutoloadClasses[$className];
+	} else {
+		# Try a different capitalisation
+		# The case can sometimes be wrong when unserializing PHP 4 objects
+		$filename = false;
+		$lowerClass = strtolower( $className );
+		foreach ( $localClasses as $class2 => $file2 ) {
+			if ( strtolower( $class2 ) == $lowerClass ) {
+				$filename = $file2;
+			}
+		}
+		if ( !$filename ) {
+			# Give up
+			return;
+		}
+	}
+
+	# Make an absolute path, this improves performance by avoiding some stat calls
+	if ( substr( $filename, 0, 1 ) != '/' && substr( $filename, 1, 1 ) != ':' ) {
+		global $IP;
+		$filename = "$IP/$filename";
+	}
+	require( $filename );
+}
+
+function wfLoadAllExtensions() {
+	global $wgAutoloadClasses;
+
+	# It is crucial that SpecialPage.php is included before any special page 
+	# extensions are loaded. Otherwise the parent class will not be available
+	# when APC loads the early-bound extension class. Normally this is 
+	# guaranteed by entering special pages via SpecialPage members such as 
+	# executePath(), but here we have to take a more explicit measure.
+	
+	require_once( 'SpecialPage.php' );
+	
+	foreach( $wgAutoloadClasses as $class => $file ) {
+		if ( ! class_exists( $class ) ) {
+			require( $file );
+		}
+	}
+}
+
+?>
diff --git a/includes/BagOStuff.php b/includes/BagOStuff.php
new file mode 100644
index 00000000..182756ab
--- /dev/null
+++ b/includes/BagOStuff.php
@@ -0,0 +1,538 @@
+<?php
+#
+# Copyright (C) 2003-2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+/**
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Simple generic object store
+ *
+ * interface is intended to be more or less compatible with
+ * the PHP memcached client.
+ *
+ * backends for local hash array and SQL table included:
+ * $bag = new HashBagOStuff();
+ * $bag = new MysqlBagOStuff($tablename); # connect to db first
+ *
+ * @package MediaWiki
+ */
+class BagOStuff {
+	var $debugmode;
+
+	function BagOStuff() {
+		$this->set_debug( false );
+	}
+
+	function set_debug($bool) {
+		$this->debugmode = $bool;
+	}
+
+	/* *** THE GUTS OF THE OPERATION *** */
+	/* Override these with functional things in subclasses */
+
+	function get($key) {
+		/* stub */
+		return false;
+	}
+
+	function set($key, $value, $exptime=0) {
+		/* stub */
+		return false;
+	}
+
+	function delete($key, $time=0) {
+		/* stub */
+		return false;
+	}
+
+	function lock($key, $timeout = 0) {
+		/* stub */
+		return true;
+	}
+
+	function unlock($key) {
+		/* stub */
+		return true;
+	}
+
+	/* *** Emulated functions *** */
+	/* Better performance can likely be got with custom written versions */
+	function get_multi($keys) {
+		$out = array();
+		foreach($keys as $key)
+			$out[$key] = $this->get($key);
+		return $out;
+	}
+
+	function set_multi($hash, $exptime=0) {
+		foreach($hash as $key => $value)
+			$this->set($key, $value, $exptime);
+	}
+
+	function add($key, $value, $exptime=0) {
+		if( $this->get($key) == false ) {
+			$this->set($key, $value, $exptime);
+			return true;
+		}
+	}
+
+	function add_multi($hash, $exptime=0) {
+		foreach($hash as $key => $value)
+			$this->add($key, $value, $exptime);
+	}
+
+	function delete_multi($keys, $time=0) {
+		foreach($keys as $key)
+			$this->delete($key, $time);
+	}
+
+	function replace($key, $value, $exptime=0) {
+		if( $this->get($key) !== false )
+			$this->set($key, $value, $exptime);
+	}
+
+	function incr($key, $value=1) {
+		if ( !$this->lock($key) ) {
+			return false;
+		}
+		$value = intval($value);
+		if($value < 0) $value = 0;
+
+		$n = false;
+		if( ($n = $this->get($key)) !== false ) {
+			$n += $value;
+			$this->set($key, $n); // exptime?
+		}
+		$this->unlock($key);
+		return $n;
+	}
+
+	function decr($key, $value=1) {
+		if ( !$this->lock($key) ) {
+			return false;
+		}
+		$value = intval($value);
+		if($value < 0) $value = 0;
+
+		$m = false;
+		if( ($n = $this->get($key)) !== false ) {
+			$m = $n - $value;
+			if($m < 0) $m = 0;
+			$this->set($key, $m); // exptime?
+		}
+		$this->unlock($key);
+		return $m;
+	}
+
+	function _debug($text) {
+		if($this->debugmode)
+			wfDebug("BagOStuff debug: $text\n");
+	}
+}
+
+
+/**
+ * Functional versions!
+ * @todo document
+ * @package MediaWiki
+ */
+class HashBagOStuff extends BagOStuff {
+	/*
+	   This is a test of the interface, mainly. It stores
+	   things in an associative array, which is not going to
+	   persist between program runs.
+	*/
+	var $bag;
+
+	function HashBagOStuff() {
+		$this->bag = array();
+	}
+
+	function _expire($key) {
+		$et = $this->bag[$key][1];
+		if(($et == 0) || ($et > time()))
+			return false;
+		$this->delete($key);
+		return true;
+	}
+
+	function get($key) {
+		if(!$this->bag[$key])
+			return false;
+		if($this->_expire($key))
+			return false;
+		return $this->bag[$key][0];
+	}
+
+	function set($key,$value,$exptime=0) {
+		if(($exptime != 0) && ($exptime < 3600*24*30))
+			$exptime = time() + $exptime;
+		$this->bag[$key] = array( $value, $exptime );
+	}
+
+	function delete($key,$time=0) {
+		if(!$this->bag[$key])
+			return false;
+		unset($this->bag[$key]);
+		return true;
+	}
+}
+
+/*
+CREATE TABLE objectcache (
+  keyname char(255) binary not null default '',
+  value mediumblob,
+  exptime datetime,
+  unique key (keyname),
+  key (exptime)
+);
+*/
+
+/**
+ * @todo document
+ * @abstract
+ * @package MediaWiki
+ */
+abstract class SqlBagOStuff extends BagOStuff {
+	var $table;
+	var $lastexpireall = 0;
+
+	function SqlBagOStuff($tablename = 'objectcache') {
+		$this->table = $tablename;
+	}
+
+	function get($key) {
+		/* expire old entries if any */
+		$this->garbageCollect();
+
+		$res = $this->_query(
+			"SELECT value,exptime FROM $0 WHERE keyname='$1'", $key);
+		if(!$res) {
+			$this->_debug("get: ** error: " . $this->_dberror($res) . " **");
+			return false;
+		}
+		if($row=$this->_fetchobject($res)) {
+			$this->_debug("get: retrieved data; exp time is " . $row->exptime);
+			return $this->_unserialize($this->_blobdecode($row->value));
+		} else {
+			$this->_debug('get: no matching rows');
+		}
+		return false;
+	}
+
+	function set($key,$value,$exptime=0) {
+		$exptime = intval($exptime);
+		if($exptime < 0) $exptime = 0;
+		if($exptime == 0) {
+			$exp = $this->_maxdatetime();
+		} else {
+			if($exptime < 3600*24*30)
+				$exptime += time();
+			$exp = $this->_fromunixtime($exptime);
+		}
+		$this->delete( $key );
+		$this->_doinsert($this->getTableName(), array(
+					'keyname' => $key,
+					'value' => $this->_blobencode($this->_serialize($value)),
+					'exptime' => $exp
+				));
+		return true; /* ? */
+	}
+
+	function delete($key,$time=0) {
+		$this->_query(
+			"DELETE FROM $0 WHERE keyname='$1'", $key );
+		return true; /* ? */
+	}
+
+	function getTableName() {
+		return $this->table;
+	}
+
+	function _query($sql) {
+		$reps = func_get_args();
+		$reps[0] = $this->getTableName();
+		// ewwww
+		for($i=0;$i<count($reps);$i++) {
+			$sql = str_replace(
+				'$' . $i,
+				$i > 0 ? $this->_strencode($reps[$i]) : $reps[$i],
+				$sql);
+		}
+		$res = $this->_doquery($sql);
+		if($res == false) {
+			$this->_debug('query failed: ' . $this->_dberror($res));
+		}
+		return $res;
+	}
+
+	function _strencode($str) {
+		/* Protect strings in SQL */
+		return str_replace( "'", "''", $str );
+	}
+	function _blobencode($str) {
+		return $str;
+	}
+	function _blobdecode($str) {
+		return $str;
+	}
+
+	abstract function _doinsert($table, $vals);
+	abstract function _doquery($sql);
+
+	function _freeresult($result) {
+		/* stub */
+		return false;
+	}
+
+	function _dberror($result) {
+		/* stub */
+		return 'unknown error';
+	}
+
+	abstract function _maxdatetime();
+	abstract function _fromunixtime($ts);
+
+	function garbageCollect() {
+		/* Ignore 99% of requests */
+		if ( !mt_rand( 0, 100 ) ) {
+			$nowtime = time();
+			/* Avoid repeating the delete within a few seconds */
+			if ( $nowtime > ($this->lastexpireall + 1) ) {
+				$this->lastexpireall = $nowtime;
+				$this->expireall();
+			}
+		}
+	}
+
+	function expireall() {
+		/* Remove any items that have expired */
+		$now = $this->_fromunixtime( time() );
+		$this->_query( "DELETE FROM $0 WHERE exptime < '$now'" );
+	}
+
+	function deleteall() {
+		/* Clear *all* items from cache table */
+		$this->_query( "DELETE FROM $0" );
+	}
+
+	/**
+	 * Serialize an object and, if possible, compress the representation.
+	 * On typical message and page data, this can provide a 3X decrease
+	 * in storage requirements.
+	 *
+	 * @param mixed $data
+	 * @return string
+	 */
+	function _serialize( &$data ) {
+		$serial = serialize( $data );
+		if( function_exists( 'gzdeflate' ) ) {
+			return gzdeflate( $serial );
+		} else {
+			return $serial;
+		}
+	}
+
+	/**
+	 * Unserialize and, if necessary, decompress an object.
+	 * @param string $serial
+	 * @return mixed
+	 */
+	function _unserialize( $serial ) {
+		if( function_exists( 'gzinflate' ) ) {
+			$decomp = @gzinflate( $serial );
+			if( false !== $decomp ) {
+				$serial = $decomp;
+			}
+		}
+		$ret = unserialize( $serial );
+		return $ret;
+	}
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class MediaWikiBagOStuff extends SqlBagOStuff {
+	var $tableInitialised = false;
+
+	function _doquery($sql) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->query($sql, 'MediaWikiBagOStuff::_doquery');
+	}
+	function _doinsert($t, $v) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->insert($t, $v, 'MediaWikiBagOStuff::_doinsert');
+	}
+	function _fetchobject($result) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->fetchObject($result);
+	}
+	function _freeresult($result) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->freeResult($result);
+	}
+	function _dberror($result) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->lastError();
+	}
+	function _maxdatetime() {
+		$dbw =& wfGetDB(DB_MASTER);
+		return $dbw->timestamp('9999-12-31 12:59:59');
+	}
+	function _fromunixtime($ts) {
+		$dbw =& wfGetDB(DB_MASTER);
+		return $dbw->timestamp($ts);
+	}
+	function _strencode($s) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->strencode($s);
+	}
+	function _blobencode($s) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->encodeBlob($s);
+	}
+	function _blobdecode($s) {
+		$dbw =& wfGetDB( DB_MASTER );
+		return $dbw->decodeBlob($s);
+	}
+	function getTableName() {
+		if ( !$this->tableInitialised ) {
+			$dbw =& wfGetDB( DB_MASTER );
+			/* This is actually a hack, we should be able
+			   to use Language classes here... or not */
+			if (!$dbw)
+				throw new MWException("Could not connect to database");
+			$this->table = $dbw->tableName( $this->table );
+			$this->tableInitialised = true;
+		}
+		return $this->table;
+	}
+}
+
+/**
+ * This is a wrapper for Turck MMCache's shared memory functions.
+ *
+ * You can store objects with mmcache_put() and mmcache_get(), but Turck seems
+ * to use a weird custom serializer that randomly segfaults. So we wrap calls
+ * with serialize()/unserialize().
+ *
+ * The thing I noticed about the Turck serialized data was that unlike ordinary
+ * serialize(), it contained the names of methods, and judging by the amount of
+ * binary data, perhaps even the bytecode of the methods themselves. It may be
+ * that Turck's serializer is faster, so a possible future extension would be
+ * to use it for arrays but not for objects.
+ *
+ * @package MediaWiki
+ */
+class TurckBagOStuff extends BagOStuff {
+	function get($key) {
+		$val = mmcache_get( $key );
+		if ( is_string( $val ) ) {
+			$val = unserialize( $val );
+		}
+		return $val;
+	}
+
+	function set($key, $value, $exptime=0) {
+		mmcache_put( $key, serialize( $value ), $exptime );
+		return true;
+	}
+
+	function delete($key, $time=0) {
+		mmcache_rm( $key );
+		return true;
+	}
+
+	function lock($key, $waitTimeout = 0 ) {
+		mmcache_lock( $key );
+		return true;
+	}
+
+	function unlock($key) {
+		mmcache_unlock( $key );
+		return true;
+	}
+}
+
+/**
+ * This is a wrapper for APC's shared memory functions
+ *
+ * @package MediaWiki
+ */
+
+class APCBagOStuff extends BagOStuff {
+	function get($key) {
+		$val = apc_fetch($key);
+		return $val;
+	}
+	
+	function set($key, $value, $exptime=0) {
+		apc_store($key, $value, $exptime);
+		return true;
+	}
+	
+	function delete($key) {
+		apc_delete($key);
+		return true;
+	}
+}
+
+
+/**
+ * This is a wrapper for eAccelerator's shared memory functions.
+ *
+ * This is basically identical to the Turck MMCache version,
+ * mostly because eAccelerator is based on Turck MMCache.
+ *
+ * @package MediaWiki
+ */
+class eAccelBagOStuff extends BagOStuff {
+	function get($key) {
+		$val = eaccelerator_get( $key );
+		if ( is_string( $val ) ) {
+			$val = unserialize( $val );
+		}
+		return $val;
+	}
+
+	function set($key, $value, $exptime=0) {
+		eaccelerator_put( $key, serialize( $value ), $exptime );
+		return true;
+	}
+
+	function delete($key, $time=0) {
+		eaccelerator_rm( $key );
+		return true;
+	}
+
+	function lock($key, $waitTimeout = 0 ) {
+		eaccelerator_lock( $key );
+		return true;
+	}
+
+	function unlock($key) {
+		eaccelerator_unlock( $key );
+		return true;
+	}
+}
+?>
diff --git a/includes/Block.php b/includes/Block.php
new file mode 100644
index 00000000..26fa444d
--- /dev/null
+++ b/includes/Block.php
@@ -0,0 +1,440 @@
+<?php
+/**
+ * Blocks and bans object
+ * @package MediaWiki
+ */
+
+/**
+ * The block class
+ * All the functions in this class assume the object is either explicitly
+ * loaded or filled. It is not load-on-demand. There are no accessors.
+ *
+ * To use delete(), you only need to fill $mAddress
+ * Globals used: $wgAutoblockExpiry, $wgAntiLockFlags
+ *
+ * @todo This could be used everywhere, but it isn't.
+ * @package MediaWiki
+ */
+class Block
+{
+	/* public*/ var $mAddress, $mUser, $mBy, $mReason, $mTimestamp, $mAuto, $mId, $mExpiry,
+		            $mRangeStart, $mRangeEnd;
+	/* private */ var $mNetworkBits, $mIntegerAddr, $mForUpdate, $mFromMaster, $mByName;
+	
+	const EB_KEEP_EXPIRED = 1;
+	const EB_FOR_UPDATE = 2;
+	const EB_RANGE_ONLY = 4;
+
+	function Block( $address = '', $user = '', $by = 0, $reason = '',
+		$timestamp = '' , $auto = 0, $expiry = '' )
+	{
+		$this->mAddress = $address;
+		$this->mUser = $user;
+		$this->mBy = $by;
+		$this->mReason = $reason;
+		$this->mTimestamp = wfTimestamp(TS_MW,$timestamp);
+		$this->mAuto = $auto;
+		if( empty( $expiry ) ) {
+			$this->mExpiry = $expiry;
+		} else {
+			$this->mExpiry = wfTimestamp( TS_MW, $expiry );
+		}
+
+		$this->mForUpdate = false;
+		$this->mFromMaster = false;
+		$this->mByName = false;
+		$this->initialiseRange();
+	}
+
+	/*static*/ function newFromDB( $address, $user = 0, $killExpired = true )
+	{
+		$ban = new Block();
+		$ban->load( $address, $user, $killExpired );
+		return $ban;
+	}
+
+	function clear()
+	{
+		$this->mAddress = $this->mReason = $this->mTimestamp = '';
+		$this->mUser = $this->mBy = 0;
+		$this->mByName = false;
+
+	}
+
+	/**
+	 * Get the DB object and set the reference parameter to the query options
+	 */
+	function &getDBOptions( &$options )
+	{
+		global $wgAntiLockFlags;
+		if ( $this->mForUpdate || $this->mFromMaster ) {
+			$db =& wfGetDB( DB_MASTER );
+			if ( !$this->mForUpdate || ($wgAntiLockFlags & ALF_NO_BLOCK_LOCK) ) {
+				$options = '';
+			} else {
+				$options = 'FOR UPDATE';
+			}
+		} else {
+			$db =& wfGetDB( DB_SLAVE );
+			$options = '';
+		}
+		return $db;
+	}
+
+	/**
+	 * Get a ban from the DB, with either the given address or the given username
+	 */
+	function load( $address = '', $user = 0, $killExpired = true )
+	{
+		$fname = 'Block::load';
+		wfDebug( "Block::load: '$address', '$user', $killExpired\n" );
+
+		$options = '';
+		$db =& $this->getDBOptions( $options );
+
+		$ret = false;
+		$killed = false;
+		$ipblocks = $db->tableName( 'ipblocks' );
+
+		if ( 0 == $user && $address == '' ) {
+			# Invalid user specification, not blocked
+			$this->clear();
+			return false;
+		} elseif ( $address == '' ) {
+			$sql = "SELECT * FROM $ipblocks WHERE ipb_user={$user} $options";
+		} elseif ( $user == '' ) {
+			$sql = "SELECT * FROM $ipblocks WHERE ipb_address=" . $db->addQuotes( $address ) . " $options";
+		} elseif ( $options == '' ) {
+			# If there are no options (e.g. FOR UPDATE), use a UNION
+			# so that the query can make efficient use of indices
+			$sql = "SELECT * FROM $ipblocks WHERE ipb_address='" . $db->strencode( $address ) .
+				"' UNION SELECT * FROM $ipblocks WHERE ipb_user={$user}";
+		} else {
+			# If there are options, a UNION can not be used, use one
+			# SELECT instead. Will do a full table scan.
+			$sql = "SELECT * FROM $ipblocks WHERE (ipb_address='" . $db->strencode( $address ) .
+				"' OR ipb_user={$user}) $options";
+		}
+
+		$res = $db->query( $sql, $fname );
+		if ( 0 != $db->numRows( $res ) ) {
+			# Get first block
+			$row = $db->fetchObject( $res );
+			$this->initFromRow( $row );
+
+			if ( $killExpired ) {
+				# If requested, delete expired rows
+				do {
+					$killed = $this->deleteIfExpired();
+					if ( $killed ) {
+						$row = $db->fetchObject( $res );
+						if ( $row ) {
+							$this->initFromRow( $row );
+						}
+					}
+				} while ( $killed && $row );
+
+				# If there were any left after the killing finished, return true
+				if ( !$row ) {
+					$ret = false;
+					$this->clear();
+				} else {
+					$ret = true;
+				}
+			} else {
+				$ret = true;
+			}
+		}
+		$db->freeResult( $res );
+
+		# No blocks found yet? Try looking for range blocks
+		if ( !$ret && $address != '' ) {
+			$ret = $this->loadRange( $address, $killExpired );
+		}
+		if ( !$ret ) {
+			$this->clear();
+		}
+
+		return $ret;
+	}
+
+	/**
+	 * Search the database for any range blocks matching the given address, and
+	 * load the row if one is found.
+	 */
+	function loadRange( $address, $killExpired = true )
+	{
+		$fname = 'Block::loadRange';
+
+		$iaddr = wfIP2Hex( $address );
+		if ( $iaddr === false ) {
+			# Invalid address
+			return false;
+		}
+
+		# Only scan ranges which start in this /16, this improves search speed
+		# Blocks should not cross a /16 boundary.
+		$range = substr( $iaddr, 0, 4 );
+
+		$options = '';
+		$db =& $this->getDBOptions( $options );
+		$ipblocks = $db->tableName( 'ipblocks' );
+		$sql = "SELECT * FROM $ipblocks WHERE ipb_range_start LIKE '$range%' ".
+			"AND ipb_range_start <= '$iaddr' AND ipb_range_end >= '$iaddr' $options";
+		$res = $db->query( $sql, $fname );
+		$row = $db->fetchObject( $res );
+
+		$success = false;
+		if ( $row ) {
+			# Found a row, initialise this object
+			$this->initFromRow( $row );
+
+			# Is it expired?
+			if ( !$killExpired || !$this->deleteIfExpired() ) {
+				# No, return true
+				$success = true;
+			}
+		}
+
+		$db->freeResult( $res );
+		return $success;
+	}
+
+	/**
+	 * Determine if a given integer IPv4 address is in a given CIDR network
+	 */
+	function isAddressInRange( $addr, $range ) {
+		list( $network, $bits ) = wfParseCIDR( $range );
+		if ( $network !== false && $addr >> ( 32 - $bits ) == $network >> ( 32 - $bits ) ) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	function initFromRow( $row )
+	{
+		$this->mAddress = $row->ipb_address;
+		$this->mReason = $row->ipb_reason;
+		$this->mTimestamp = wfTimestamp(TS_MW,$row->ipb_timestamp);
+		$this->mUser = $row->ipb_user;
+		$this->mBy = $row->ipb_by;
+		$this->mAuto = $row->ipb_auto;
+		$this->mId = $row->ipb_id;
+		$this->mExpiry = $row->ipb_expiry ?
+			wfTimestamp(TS_MW,$row->ipb_expiry) :
+			$row->ipb_expiry;
+		if ( isset( $row->user_name ) ) {
+			$this->mByName = $row->user_name;
+		} else {
+			$this->mByName = false;
+		}
+		$this->mRangeStart = $row->ipb_range_start;
+		$this->mRangeEnd = $row->ipb_range_end;
+	}
+
+	function initialiseRange()
+	{
+		$this->mRangeStart = '';
+		$this->mRangeEnd = '';
+		if ( $this->mUser == 0 ) {
+			list( $network, $bits ) = wfParseCIDR( $this->mAddress );
+			if ( $network !== false ) {
+				$this->mRangeStart = sprintf( '%08X', $network );
+				$this->mRangeEnd = sprintf( '%08X', $network + (1 << (32 - $bits)) - 1 );
+			}
+		}
+	}
+
+	/**
+	 * Callback with a Block object for every block
+	 * @return integer number of blocks;
+	 */
+	/*static*/ function enumBlocks( $callback, $tag, $flags = 0 )
+	{
+		global $wgAntiLockFlags;
+
+		$block = new Block();
+		if ( $flags & Block::EB_FOR_UPDATE ) {
+			$db =& wfGetDB( DB_MASTER );
+			if ( $wgAntiLockFlags & ALF_NO_BLOCK_LOCK ) {
+				$options = '';
+			} else {
+				$options = 'FOR UPDATE';
+			}
+			$block->forUpdate( true );
+		} else {
+			$db =& wfGetDB( DB_SLAVE );
+			$options = '';
+		}
+		if ( $flags & Block::EB_RANGE_ONLY ) {
+			$cond = " AND ipb_range_start <> ''";
+		} else {
+			$cond = '';
+		}
+
+		$now = wfTimestampNow();
+
+		extract( $db->tableNames( 'ipblocks', 'user' ) );
+
+		$sql = "SELECT $ipblocks.*,user_name FROM $ipblocks,$user " .
+			"WHERE user_id=ipb_by $cond ORDER BY ipb_timestamp DESC $options";
+		$res = $db->query( $sql, 'Block::enumBlocks' );
+		$num_rows = $db->numRows( $res );
+
+		while ( $row = $db->fetchObject( $res ) ) {
+			$block->initFromRow( $row );
+			if ( ( $flags & Block::EB_RANGE_ONLY ) && $block->mRangeStart == '' ) {
+				continue;
+			}
+
+			if ( !( $flags & Block::EB_KEEP_EXPIRED ) ) {
+				if ( $block->mExpiry && $now > $block->mExpiry ) {
+					$block->delete();
+				} else {
+					call_user_func( $callback, $block, $tag );
+				}
+			} else {
+				call_user_func( $callback, $block, $tag );
+			}
+		}
+		wfFreeResult( $res );
+		return $num_rows;
+	}
+
+	function delete()
+	{
+		$fname = 'Block::delete';
+		if (wfReadOnly()) {
+			return;
+		}
+		$dbw =& wfGetDB( DB_MASTER );
+
+		if ( $this->mAddress == '' ) {
+			$condition = array( 'ipb_id' => $this->mId );
+		} else {
+			$condition = array( 'ipb_address' => $this->mAddress );
+		}
+		return( $dbw->delete( 'ipblocks', $condition, $fname ) > 0 ? true : false );
+	}
+
+	function insert()
+	{
+		wfDebug( "Block::insert; timestamp {$this->mTimestamp}\n" );
+		$dbw =& wfGetDB( DB_MASTER );
+		$ipb_id = $dbw->nextSequenceValue('ipblocks_ipb_id_val');
+		$dbw->insert( 'ipblocks',
+			array(
+				'ipb_id' => $ipb_id,
+				'ipb_address' => $this->mAddress,
+				'ipb_user' => $this->mUser,
+				'ipb_by' => $this->mBy,
+				'ipb_reason' => $this->mReason,
+				'ipb_timestamp' => $dbw->timestamp($this->mTimestamp),
+				'ipb_auto' => $this->mAuto,
+				'ipb_expiry' => $this->mExpiry ?
+					$dbw->timestamp($this->mExpiry) :
+					$this->mExpiry,
+				'ipb_range_start' => $this->mRangeStart,
+				'ipb_range_end' => $this->mRangeEnd,
+			), 'Block::insert'
+		);
+	}
+
+	function deleteIfExpired()
+	{
+		$fname = 'Block::deleteIfExpired';
+		wfProfileIn( $fname );
+		if ( $this->isExpired() ) {
+			wfDebug( "Block::deleteIfExpired() -- deleting\n" );
+			$this->delete();
+			$retVal = true;
+		} else {
+			wfDebug( "Block::deleteIfExpired() -- not expired\n" );
+			$retVal = false;
+		}
+		wfProfileOut( $fname );
+		return $retVal;
+	}
+
+	function isExpired()
+	{
+		wfDebug( "Block::isExpired() checking current " . wfTimestampNow() . " vs $this->mExpiry\n" );
+		if ( !$this->mExpiry ) {
+			return false;
+		} else {
+			return wfTimestampNow() > $this->mExpiry;
+		}
+	}
+
+	function isValid()
+	{
+		return $this->mAddress != '';
+	}
+
+	function updateTimestamp()
+	{
+		if ( $this->mAuto ) {
+			$this->mTimestamp = wfTimestamp();
+			$this->mExpiry = Block::getAutoblockExpiry( $this->mTimestamp );
+
+			$dbw =& wfGetDB( DB_MASTER );
+			$dbw->update( 'ipblocks',
+				array( /* SET */
+					'ipb_timestamp' => $dbw->timestamp($this->mTimestamp),
+					'ipb_expiry' => $dbw->timestamp($this->mExpiry),
+				), array( /* WHERE */
+					'ipb_address' => $this->mAddress
+				), 'Block::updateTimestamp'
+			);
+		}
+	}
+
+	/*
+	function getIntegerAddr()
+	{
+		return $this->mIntegerAddr;
+	}
+
+	function getNetworkBits()
+	{
+		return $this->mNetworkBits;
+	}*/
+
+	function getByName()
+	{
+		if ( $this->mByName === false ) {
+			$this->mByName = User::whoIs( $this->mBy );
+		}
+		return $this->mByName;
+	}
+
+	function forUpdate( $x = NULL ) {
+		return wfSetVar( $this->mForUpdate, $x );
+	}
+
+	function fromMaster( $x = NULL ) {
+		return wfSetVar( $this->mFromMaster, $x );
+	}
+
+	/* static */ function getAutoblockExpiry( $timestamp )
+	{
+		global $wgAutoblockExpiry;
+		return wfTimestamp( TS_MW, wfTimestamp( TS_UNIX, $timestamp ) + $wgAutoblockExpiry );
+	}
+
+	/* static */ function normaliseRange( $range )
+	{
+		$parts = explode( '/', $range );
+		if ( count( $parts ) == 2 ) {
+			$shift = 32 - $parts[1];
+			$ipint = wfIP2Unsigned( $parts[0] );
+			$ipint = $ipint >> $shift << $shift;
+			$newip = long2ip( $ipint );
+			$range = "$newip/{$parts[1]}";
+		}
+		return $range;
+	}
+
+}
+?>
diff --git a/includes/CacheManager.php b/includes/CacheManager.php
new file mode 100644
index 00000000..b9e307f4
--- /dev/null
+++ b/includes/CacheManager.php
@@ -0,0 +1,159 @@
+<?php
+/**
+ * Contain the CacheManager class
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+
+/**
+ * Handles talking to the file cache, putting stuff in and taking it back out.
+ * Mostly called from Article.php, also from DatabaseFunctions.php for the
+ * emergency abort/fallback to cache.
+ *
+ * Global options that affect this module:
+ * $wgCachePages
+ * $wgCacheEpoch
+ * $wgUseFileCache
+ * $wgFileCacheDirectory
+ * $wgUseGzip
+ * @package MediaWiki
+ */
+class CacheManager {
+	var $mTitle, $mFileCache;
+
+	function CacheManager( &$title ) {
+		$this->mTitle =& $title;
+		$this->mFileCache = '';
+	}
+
+	function fileCacheName() {
+		global $wgFileCacheDirectory;
+		if( !$this->mFileCache ) {
+			$key = $this->mTitle->getPrefixedDbkey();
+			$hash = md5( $key );
+			$key = str_replace( '.', '%2E', urlencode( $key ) );
+
+			$hash1 = substr( $hash, 0, 1 );
+			$hash2 = substr( $hash, 0, 2 );
+			$this->mFileCache = "{$wgFileCacheDirectory}/{$hash1}/{$hash2}/{$key}.html";
+
+			if($this->useGzip())
+				$this->mFileCache .= '.gz';
+
+			wfDebug( " fileCacheName() - {$this->mFileCache}\n" );
+		}
+		return $this->mFileCache;
+	}
+
+	function isFileCached() {
+		return file_exists( $this->fileCacheName() );
+	}
+
+	function fileCacheTime() {
+		return wfTimestamp( TS_MW, filemtime( $this->fileCacheName() ) );
+	}
+
+	function isFileCacheGood( $timestamp ) {
+		global $wgCacheEpoch;
+
+		if( !$this->isFileCached() ) return false;
+
+		$cachetime = $this->fileCacheTime();
+		$good = (( $timestamp <= $cachetime ) &&
+			 ( $wgCacheEpoch <= $cachetime ));
+
+		wfDebug(" isFileCacheGood() - cachetime $cachetime, touched {$timestamp} epoch {$wgCacheEpoch}, good $good\n");
+		return $good;
+	}
+
+	function useGzip() {
+		global $wgUseGzip;
+		return $wgUseGzip;
+	}
+
+	/* In handy string packages */
+	function fetchRawText() {
+		return file_get_contents( $this->fileCacheName() );
+	}
+
+	function fetchPageText() {
+		if( $this->useGzip() ) {
+			/* Why is there no gzfile_get_contents() or gzdecode()? */
+			return implode( '', gzfile( $this->fileCacheName() ) );
+		} else {
+			return $this->fetchRawText();
+		}
+	}
+
+	/* Working directory to/from output */
+	function loadFromFileCache() {
+		global $wgOut, $wgMimeType, $wgOutputEncoding, $wgContLanguageCode;
+		wfDebug(" loadFromFileCache()\n");
+
+		$filename=$this->fileCacheName();
+		$wgOut->sendCacheControl();
+
+		header( "Content-type: $wgMimeType; charset={$wgOutputEncoding}" );
+		header( "Content-language: $wgContLanguageCode" );
+
+		if( $this->useGzip() ) {
+			if( wfClientAcceptsGzip() ) {
+				header( 'Content-Encoding: gzip' );
+			} else {
+				/* Send uncompressed */
+				readgzfile( $filename );
+				return;
+			}
+		}
+		readfile( $filename );
+	}
+
+	function checkCacheDirs() {
+		$filename = $this->fileCacheName();
+		$mydir2=substr($filename,0,strrpos($filename,'/')); # subdirectory level 2
+		$mydir1=substr($mydir2,0,strrpos($mydir2,'/')); # subdirectory level 1
+
+		if(!file_exists($mydir1)) { mkdir($mydir1,0775); } # create if necessary
+		if(!file_exists($mydir2)) { mkdir($mydir2,0775); }
+	}
+
+	function saveToFileCache( $origtext ) {
+		$text = $origtext;
+		if(strcmp($text,'') == 0) return '';
+
+		wfDebug(" saveToFileCache()\n", false);
+
+		$this->checkCacheDirs();
+
+		$f = fopen( $this->fileCacheName(), 'w' );
+		if($f) {
+			$now = wfTimestampNow();
+			if( $this->useGzip() ) {
+				$rawtext = str_replace( '</html>',
+					'<!-- Cached/compressed '.$now." -->\n</html>",
+					$text );
+				$text = gzencode( $rawtext );
+			} else {
+				$text = str_replace( '</html>',
+					'<!-- Cached '.$now." -->\n</html>",
+					$text );
+			}
+			fwrite( $f, $text );
+			fclose( $f );
+			if( $this->useGzip() ) {
+				if( wfClientAcceptsGzip() ) {
+					header( 'Content-Encoding: gzip' );
+					return $text;
+				} else {
+					return $rawtext;
+				}
+			} else {
+				return $text;
+			}
+		}
+		return $text;
+	}
+
+}
+
+?>
diff --git a/includes/CategoryPage.php b/includes/CategoryPage.php
new file mode 100644
index 00000000..53d69971
--- /dev/null
+++ b/includes/CategoryPage.php
@@ -0,0 +1,315 @@
+<?php
+/**
+ * Special handling for category description pages
+ * Modelled after ImagePage.php
+ *
+ * @package MediaWiki
+ */
+
+if( !defined( 'MEDIAWIKI' ) )
+	die( 1 );
+
+/**
+ * @package MediaWiki
+ */
+class CategoryPage extends Article {
+
+	function view() {
+		if(!wfRunHooks('CategoryPageView', array(&$this))) return;
+
+		if ( NS_CATEGORY == $this->mTitle->getNamespace() ) {
+			$this->openShowCategory();
+		}
+
+		Article::view();
+
+		# If the article we've just shown is in the "Image" namespace,
+		# follow it with the history list and link list for the image
+		# it describes.
+
+		if ( NS_CATEGORY == $this->mTitle->getNamespace() ) {
+			$this->closeShowCategory();
+		}
+	}
+
+	function openShowCategory() {
+		# For overloading
+	}
+
+	function closeShowCategory() {
+		global $wgOut, $wgRequest;
+		$from = $wgRequest->getVal( 'from' );
+		$until = $wgRequest->getVal( 'until' );
+		
+		$wgOut->addHTML( $this->doCategoryMagic( $from, $until ) );
+	}
+
+	/**
+	 * Format the category data list.
+	 *
+	 * @param string $from -- return only sort keys from this item on
+	 * @param string $until -- don't return keys after this point.
+	 * @return string HTML output
+	 * @private
+	 */
+	function doCategoryMagic( $from = '', $until = '' ) {
+		global $wgOut;
+		global $wgContLang,$wgUser, $wgCategoryMagicGallery, $wgCategoryPagingLimit;
+		$fname = 'CategoryPage::doCategoryMagic';
+		wfProfileIn( $fname );
+
+		$articles = array();
+		$articles_start_char = array();
+		$children = array();
+		$children_start_char = array();
+		
+		$showGallery = $wgCategoryMagicGallery && !$wgOut->mNoGallery;
+		if( $showGallery ) {
+			$ig = new ImageGallery();
+			$ig->setParsing();
+		}
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		if( $from != '' ) {
+			$pageCondition = 'cl_sortkey >= ' . $dbr->addQuotes( $from );
+			$flip = false;
+		} elseif( $until != '' ) {
+			$pageCondition = 'cl_sortkey < ' . $dbr->addQuotes( $until );
+			$flip = true;
+		} else {
+			$pageCondition = '1 = 1';
+			$flip = false;
+		}
+		$limit = $wgCategoryPagingLimit;
+		$res = $dbr->select(
+			array( 'page', 'categorylinks' ),
+			array( 'page_title', 'page_namespace', 'page_len', 'cl_sortkey' ),
+			array( $pageCondition,
+			       'cl_from          =  page_id',
+			       'cl_to'           => $this->mTitle->getDBKey()),
+			       #'page_is_redirect' => 0),
+			#+ $pageCondition,
+			$fname,
+			array( 'ORDER BY' => $flip ? 'cl_sortkey DESC' : 'cl_sortkey',
+			       'LIMIT'    => $limit + 1 ) );
+
+		$sk =& $wgUser->getSkin();
+		$r = "<br style=\"clear:both;\"/>\n";
+		$count = 0;
+		$nextPage = null;
+		while( $x = $dbr->fetchObject ( $res ) ) {
+			if( ++$count > $limit ) {
+				// We've reached the one extra which shows that there are
+				// additional pages to be had. Stop here...
+				$nextPage = $x->cl_sortkey;
+				break;
+			}
+
+			$title = Title::makeTitle( $x->page_namespace, $x->page_title );
+
+			if( $title->getNamespace() == NS_CATEGORY ) {
+				// Subcategory; strip the 'Category' namespace from the link text.
+				array_push( $children, $sk->makeKnownLinkObj( $title, $wgContLang->convertHtml( $title->getText() ) ) );
+
+				// If there's a link from Category:A to Category:B, the sortkey of the resulting
+				// entry in the categorylinks table is Category:A, not A, which it SHOULD be.
+				// Workaround: If sortkey == "Category:".$title, than use $title for sorting,
+				// else use sortkey...
+				$sortkey='';
+				if( $title->getPrefixedText() == $x->cl_sortkey ) {
+					$sortkey=$wgContLang->firstChar( $x->page_title );
+				} else {
+					$sortkey=$wgContLang->firstChar( $x->cl_sortkey );
+				}
+				array_push( $children_start_char, $wgContLang->convert( $sortkey ) ) ;
+			} elseif( $showGallery && $title->getNamespace() == NS_IMAGE ) {
+				// Show thumbnails of categorized images, in a separate chunk
+				if( $flip ) {
+					$ig->insert( Image::newFromTitle( $title ) );
+				} else {
+					$ig->add( Image::newFromTitle( $title ) );
+				}
+			} else {
+				// Page in this category
+				array_push( $articles, $sk->makeSizeLinkObj( $x->page_len, $title, $wgContLang->convert( $title->getPrefixedText() ) ) ) ;
+				array_push( $articles_start_char, $wgContLang->convert( $wgContLang->firstChar( $x->cl_sortkey ) ) );
+			}
+		}
+		$dbr->freeResult( $res );
+
+		if( $flip ) {
+			$children            = array_reverse( $children );
+			$children_start_char = array_reverse( $children_start_char );
+			$articles            = array_reverse( $articles );
+			$articles_start_char = array_reverse( $articles_start_char );
+		}
+
+		if( $until != '' ) {
+			$r .= $this->pagingLinks( $this->mTitle, $nextPage, $until, $limit );
+		} elseif( $nextPage != '' || $from != '' ) {
+			$r .= $this->pagingLinks( $this->mTitle, $from, $nextPage, $limit );
+		}
+
+		# Don't show subcategories section if there are none.
+		if( count( $children ) > 0 ) {
+			# Showing subcategories
+			$r .= '<h2>' . wfMsg( 'subcategories' ) . "</h2>\n";
+			$r .= wfMsgExt( 'subcategorycount', array( 'parse' ), count( $children) );
+			$r .= $this->formatList( $children, $children_start_char );
+		}
+
+		# Showing articles in this category
+		$ti = htmlspecialchars( $this->mTitle->getText() );
+		$r .= '<h2>' . wfMsg( 'category_header', $ti ) . "</h2>\n";
+		$r .= wfMsgExt( 'categoryarticlecount', array( 'parse' ), count( $articles) );
+		$r .= $this->formatList( $articles, $articles_start_char );
+
+		if( $showGallery && ! $ig->isEmpty() ) {
+			$r.= $ig->toHTML();
+		}
+
+		if( $until != '' ) {
+			$r .= $this->pagingLinks( $this->mTitle, $nextPage, $until, $limit );
+		} elseif( $nextPage != '' || $from != '' ) {
+			$r .= $this->pagingLinks( $this->mTitle, $from, $nextPage, $limit );
+		}
+
+		wfProfileOut( $fname );
+		return $r;
+	}
+
+	/**
+	 * Format a list of articles chunked by letter, either as a
+	 * bullet list or a columnar format, depending on the length.
+	 *
+	 * @param array $articles
+	 * @param array $articles_start_char
+	 * @param int   $cutoff
+	 * @return string
+	 * @private
+	 */
+	function formatList( $articles, $articles_start_char, $cutoff = 6 ) {
+		if ( count ( $articles ) > $cutoff ) {
+			return $this->columnList( $articles, $articles_start_char );
+		} elseif ( count($articles) > 0) {
+			// for short lists of articles in categories.
+			return $this->shortList( $articles, $articles_start_char );
+		}
+		return '';
+	}
+
+	/**
+	 * Format a list of articles chunked by letter in a three-column
+	 * list, ordered vertically.
+	 *
+	 * @param array $articles
+	 * @param array $articles_start_char
+	 * @return string
+	 * @private
+	 */
+	function columnList( $articles, $articles_start_char ) {
+		// divide list into three equal chunks
+		$chunk = (int) (count ( $articles ) / 3);
+
+		// get and display header
+		$r = '<table width="100%"><tr valign="top">';
+
+		$prev_start_char = 'none';
+
+		// loop through the chunks
+		for($startChunk = 0, $endChunk = $chunk, $chunkIndex = 0;
+			$chunkIndex < 3;
+			$chunkIndex++, $startChunk = $endChunk, $endChunk += $chunk + 1)
+		{
+			$r .= "<td>\n";
+			$atColumnTop = true;
+
+			// output all articles in category
+			for ($index = $startChunk ;
+				$index < $endChunk && $index < count($articles);
+				$index++ )
+			{
+				// check for change of starting letter or begining of chunk
+				if ( ($index == $startChunk) ||
+					 ($articles_start_char[$index] != $articles_start_char[$index - 1]) )
+
+				{
+					if( $atColumnTop ) {
+						$atColumnTop = false;
+					} else {
+						$r .= "</ul>\n";
+					}
+					$cont_msg = "";
+					if ( $articles_start_char[$index] == $prev_start_char )
+						$cont_msg = wfMsgHtml('listingcontinuesabbrev');
+					$r .= "<h3>" . htmlspecialchars( $articles_start_char[$index] ) . "$cont_msg</h3>\n<ul>";
+					$prev_start_char = $articles_start_char[$index];
+				}
+
+				$r .= "<li>{$articles[$index]}</li>";
+			}
+			if( !$atColumnTop ) {
+				$r .= "</ul>\n";
+			}
+			$r .= "</td>\n";
+
+
+		}
+		$r .= '</tr></table>';
+		return $r;
+	}
+
+	/**
+	 * Format a list of articles chunked by letter in a bullet list.
+	 * @param array $articles
+	 * @param array $articles_start_char
+	 * @return string
+	 * @private
+	 */
+	function shortList( $articles, $articles_start_char ) {
+		$r = '<h3>' . htmlspecialchars( $articles_start_char[0] ) . "</h3>\n";
+		$r .= '<ul><li>'.$articles[0].'</li>';
+		for ($index = 1; $index < count($articles); $index++ )
+		{
+			if ($articles_start_char[$index] != $articles_start_char[$index - 1])
+			{
+				$r .= "</ul><h3>" . htmlspecialchars( $articles_start_char[$index] ) . "</h3>\n<ul>";
+			}
+
+			$r .= "<li>{$articles[$index]}</li>";
+		}
+		$r .= '</ul>';
+		return $r;
+	}
+
+	/**
+	 * @param Title  $title
+	 * @param string $first
+	 * @param string $last
+	 * @param int    $limit
+	 * @param array  $query - additional query options to pass
+	 * @return string
+	 * @private
+	 */
+	function pagingLinks( $title, $first, $last, $limit, $query = array() ) {
+		global $wgUser, $wgLang;
+		$sk =& $wgUser->getSkin();
+		$limitText = $wgLang->formatNum( $limit );
+
+		$prevLink = htmlspecialchars( wfMsg( 'prevn', $limitText ) );
+		if( $first != '' ) {
+			$prevLink = $sk->makeLinkObj( $title, $prevLink,
+				wfArrayToCGI( $query + array( 'until' => $first ) ) );
+		}
+		$nextLink = htmlspecialchars( wfMsg( 'nextn', $limitText ) );
+		if( $last != '' ) {
+			$nextLink = $sk->makeLinkObj( $title, $nextLink,
+				wfArrayToCGI( $query + array( 'from' => $last ) ) );
+		}
+
+		return "($prevLink) ($nextLink)";
+	}
+}
+
+
+?>
diff --git a/includes/Categoryfinder.php b/includes/Categoryfinder.php
new file mode 100644
index 00000000..a8cdf3ce
--- /dev/null
+++ b/includes/Categoryfinder.php
@@ -0,0 +1,191 @@
+<?php
+/*
+The "Categoryfinder" class takes a list of articles, creates an internal representation of all their parent
+categories (as well as parents of parents etc.). From this representation, it determines which of these articles
+are in one or all of a given subset of categories.
+
+Example use :
+
+	# Determines wether the article with the page_id 12345 is in both
+	# "Category 1" and "Category 2" or their subcategories, respectively
+	
+	$cf = new Categoryfinder ;
+	$cf->seed (
+		array ( 12345 ) ,
+		array ( "Category 1","Category 2" ) ,
+		"AND"
+	) ;
+	$a = $cf->run() ;
+	print implode ( "," , $a ) ;
+
+*/
+
+
+class Categoryfinder {
+
+	var $articles = array () ; # The original article IDs passed to the seed function
+	var $deadend = array () ; # Array of DBKEY category names for categories that don't have a page
+	var $parents = array () ; # Array of [ID => array()]
+	var $next = array () ; # Array of article/category IDs
+	var $targets = array () ; # Array of DBKEY category names
+	var $name2id = array () ;
+	var $mode ; # "AND" or "OR"
+	var $dbr ; # Read-DB slave
+
+	/**
+	 * Constructor (currently empty).
+	*/
+	function Categoryfinder () {
+	}
+
+	/**
+	 * Initializes the instance. Do this prior to calling run().
+	 * @param $article_ids Array of article IDs
+	 * @param $categories FIXME
+	 * @param $mode String: FIXME, default 'AND'.
+	 */
+	function seed ( $article_ids , $categories , $mode = "AND" ) {
+		$this->articles = $article_ids ;
+		$this->next = $article_ids ;
+		$this->mode = $mode ;
+
+		# Set the list of target categories; convert them to DBKEY form first
+		$this->targets = array () ;
+		foreach ( $categories AS $c ) {
+			$ct = Title::newFromText ( $c , NS_CATEGORY ) ;
+			$c = $ct->getDBkey () ;
+			$this->targets[$c] = $c ;
+		}
+	}
+
+	/**
+	 * Iterates through the parent tree starting with the seed values,
+	 * then checks the articles if they match the conditions
+	 @return array of page_ids (those given to seed() that match the conditions)
+	*/
+	function run () {
+		$this->dbr =& wfGetDB( DB_SLAVE );
+		while ( count ( $this->next ) > 0 ) {
+			$this->scan_next_layer () ;
+		}
+
+		# Now check if this applies to the individual articles
+		$ret = array () ;
+		foreach ( $this->articles AS $article ) {
+			$conds = $this->targets ;
+			if ( $this->check ( $article , $conds ) ) {
+				# Matches the conditions
+				$ret[] = $article ;
+			}
+		}
+		return $ret ;
+	}
+
+	/**
+	 * This functions recurses through the parent representation, trying to match the conditions
+	 @param $id The article/category to check
+	 @param $conds The array of categories to match
+	 @return bool Does this match the conditions?
+	*/
+	function check ( $id , &$conds ) {
+		# Shortcut (runtime paranoia): No contitions=all matched
+		if ( count ( $conds ) == 0 ) return true ;
+		
+		if ( !isset ( $this->parents[$id] ) ) return false ;
+
+		# iterate through the parents
+		foreach ( $this->parents[$id] AS $p ) {
+			$pname = $p->cl_to ;
+			
+			# Is this a condition?
+			if ( isset ( $conds[$pname] ) ) {
+				# This key is in the category list!
+				if ( $this->mode == "OR" ) {
+					# One found, that's enough!
+					$conds = array () ;
+					return true ;
+				} else {
+					# Assuming "AND" as default
+					unset ( $conds[$pname] ) ;
+					if ( count ( $conds ) == 0 ) {
+						# All conditions met, done
+						return true ;
+					}
+				}
+			}
+			
+			# Not done yet, try sub-parents
+			if ( !isset ( $this->name2id[$pname] ) ) {
+				# No sub-parent
+				continue ;
+			}
+			$done = $this->check ( $this->name2id[$pname] , $conds ) ;
+			if ( $done OR count ( $conds ) == 0 ) {
+				# Subparents have done it!
+				return true ;
+			}
+		}
+		return false ;
+	}
+
+	/**
+	 * Scans a "parent layer" of the articles/categories in $this->next
+	*/
+	function scan_next_layer () {
+		$fname = "Categoryfinder::scan_next_layer" ;
+	
+		# Find all parents of the article currently in $this->next
+		$layer = array () ;
+		$res = $this->dbr->select(
+				/* FROM   */ 'categorylinks',
+				/* SELECT */ '*',
+				/* WHERE  */ array( 'cl_from' => $this->next ),
+				$fname."-1"
+		);
+		while ( $o = $this->dbr->fetchObject( $res ) ) {
+			$k = $o->cl_to ;
+
+			# Update parent tree
+			if ( !isset ( $this->parents[$o->cl_from] ) ) {
+				$this->parents[$o->cl_from] = array () ;
+			}
+			$this->parents[$o->cl_from][$k] = $o ;
+
+			# Ignore those we already have
+			if ( in_array ( $k , $this->deadend ) ) continue ;
+			if ( isset ( $this->name2id[$k] ) ) continue ;
+
+			# Hey, new category!
+			$layer[$k] = $k ;
+		}
+		$this->dbr->freeResult( $res ) ;
+
+		$this->next = array() ;
+		
+		# Find the IDs of all category pages in $layer, if they exist
+		if ( count ( $layer ) > 0 ) {
+			$res = $this->dbr->select(
+					/* FROM   */ 'page',
+					/* SELECT */ 'page_id,page_title',
+					/* WHERE  */ array( 'page_namespace' => NS_CATEGORY , 'page_title' => $layer ),
+					$fname."-2"
+			);
+			while ( $o = $this->dbr->fetchObject( $res ) ) {
+				$id = $o->page_id ;
+				$name = $o->page_title ;
+				$this->name2id[$name] = $id ;
+				$this->next[] = $id ;
+				unset ( $layer[$name] ) ;
+			}
+			$this->dbr->freeResult( $res ) ;
+			}
+
+		# Mark dead ends
+		foreach ( $layer AS $v ) {
+			$this->deadend[$v] = $v ;
+		}
+	}
+
+} # END OF CLASS "Categoryfinder"
+
+?>
diff --git a/includes/ChangesList.php b/includes/ChangesList.php
new file mode 100644
index 00000000..b2c1abe2
--- /dev/null
+++ b/includes/ChangesList.php
@@ -0,0 +1,653 @@
+<?php
+/**
+ * @package MediaWiki
+ * Contain class to show various lists of change:
+ * - what's link here
+ * - related changes
+ * - recent changes
+ */
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class RCCacheEntry extends RecentChange
+{
+	var $secureName, $link;
+	var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
+	var $userlink, $timestamp, $watched;
+
+	function newFromParent( $rc )
+	{
+		$rc2 = new RCCacheEntry;
+		$rc2->mAttribs = $rc->mAttribs;
+		$rc2->mExtra = $rc->mExtra;
+		return $rc2;
+	}
+} ;
+
+/**
+ * @package MediaWiki
+ */
+class ChangesList {
+	# Called by history lists and recent changes
+	#
+
+	/** @todo document */
+	function ChangesList( &$skin ) {
+		$this->skin =& $skin;
+		$this->preCacheMessages();
+	}
+
+	/**
+	 * Fetch an appropriate changes list class for the specified user
+	 * Some users might want to use an enhanced list format, for instance
+	 *
+	 * @param $user User to fetch the list class for
+	 * @return ChangesList derivative
+	 */
+	function newFromUser( &$user ) {
+		$sk =& $user->getSkin();
+		$list = NULL;
+		if( wfRunHooks( 'FetchChangesList', array( &$user, &$skin, &$list ) ) ) {
+			return $user->getOption( 'usenewrc' ) ? new EnhancedChangesList( $sk ) : new OldChangesList( $sk );
+		} else {
+			return $list;
+		}
+	}
+
+	/**
+	 * As we use the same small set of messages in various methods and that
+	 * they are called often, we call them once and save them in $this->message
+	 */
+	function preCacheMessages() {
+		// Precache various messages
+		if( !isset( $this->message ) ) {
+			foreach( explode(' ', 'cur diff hist minoreditletter newpageletter last '.
+				'blocklink changes history boteditletter' ) as $msg ) {
+				$this->message[$msg] = wfMsgExt( $msg, array( 'escape') );
+			}
+		}
+	}
+
+
+	/**
+	 * Returns the appropriate flags for new page, minor change and patrolling
+	 */
+	function recentChangesFlags( $new, $minor, $patrolled, $nothing = '&nbsp;', $bot = false ) {
+		$f = $new ? '<span class="newpage">' . $this->message['newpageletter'] . '</span>'
+				: $nothing;
+		$f .= $minor ? '<span class="minor">' . $this->message['minoreditletter'] . '</span>'
+				: $nothing;
+		$f .= $bot ? '<span class="bot">' . $this->message['boteditletter'] . '</span>' : $nothing;
+		$f .= $patrolled ? '<span class="unpatrolled">!</span>' : $nothing;
+		return $f;
+	}
+
+	/**
+	 * Returns text for the start of the tabular part of RC
+	 */
+	function beginRecentChangesList() {
+		$this->rc_cache = array();
+		$this->rcMoveIndex = 0;
+		$this->rcCacheIndex = 0;
+		$this->lastdate = '';
+		$this->rclistOpen = false;
+		return '';
+	}
+
+	/**
+ 	 * Returns text for the end of RC
+	 */
+	function endRecentChangesList() {
+		if( $this->rclistOpen ) {
+			return "</ul>\n";
+		} else {
+			return '';
+		}
+	}
+
+
+	function insertMove( &$s, $rc ) {
+		# Diff
+		$s .= '(' . $this->message['diff'] . ') (';
+		# Hist
+		$s .= $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), $this->message['hist'], 'action=history' ) .
+			') . . ';
+
+		# "[[x]] moved to [[y]]"
+		$msg = ( $rc->mAttribs['rc_type'] == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
+		$s .= wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
+			$this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
+	}
+
+	function insertDateHeader(&$s, $rc_timestamp) {
+		global $wgLang;
+
+		# Make date header if necessary
+		$date = $wgLang->date( $rc_timestamp, true, true );
+		$s = '';
+		if( $date != $this->lastdate ) {
+			if( '' != $this->lastdate ) {
+				$s .= "</ul>\n";
+			}
+			$s .= '<h4>'.$date."</h4>\n<ul class=\"special\">";
+			$this->lastdate = $date;
+			$this->rclistOpen = true;
+		}
+	}
+
+	function insertLog(&$s, $title, $logtype) {
+		$logname = LogPage::logName( $logtype );
+		$s .= '(' . $this->skin->makeKnownLinkObj($title, $logname ) . ')';
+	}
+
+
+	function insertDiffHist(&$s, &$rc, $unpatrolled) {
+		# Diff link
+		if( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
+			$diffLink = $this->message['diff'];
+		} else {
+			$rcidparam = $unpatrolled
+				? array( 'rcid' => $rc->mAttribs['rc_id'] )
+				: array();
+			$diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'],
+				wfArrayToCGI( array(
+					'curid' => $rc->mAttribs['rc_cur_id'],
+					'diff'  => $rc->mAttribs['rc_this_oldid'],
+					'oldid' => $rc->mAttribs['rc_last_oldid'] ),
+					$rcidparam ),
+				'', '', ' tabindex="'.$rc->counter.'"');
+		}
+		$s .= '('.$diffLink.') (';
+
+		# History link
+		$s .= $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['hist'],
+			wfArrayToCGI( array(
+				'curid' => $rc->mAttribs['rc_cur_id'],
+				'action' => 'history' ) ) );
+		$s .= ') . . ';
+	}
+
+	function insertArticleLink(&$s, &$rc, $unpatrolled, $watched) {
+		# Article link
+		# If it's a new article, there is no diff link, but if it hasn't been
+		# patrolled yet, we need to give users a way to do so
+		$params = ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW )
+			? 'rcid='.$rc->mAttribs['rc_id']
+			: '';
+		$articlelink = ' '. $this->skin->makeKnownLinkObj( $rc->getTitle(), '', $params );
+		if($watched) $articlelink = '<strong>'.$articlelink.'</strong>';
+		global $wgContLang;
+		$articlelink .= $wgContLang->getDirMark();
+
+		$s .= ' '.$articlelink;
+	}
+
+	function insertTimestamp(&$s, &$rc) {
+		global $wgLang;
+		# Timestamp
+		$s .= '; ' . $wgLang->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
+	}
+
+	/** Insert links to user page, user talk page and eventually a blocking link */
+	function insertUserRelatedLinks(&$s, &$rc) {
+		$s .= $this->skin->userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
+		$s .= $this->skin->userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
+	}
+
+	/** insert a formatted comment */
+	function insertComment(&$s, &$rc) {
+		# Add comment
+		if( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
+			$s .= $this->skin->commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
+		}
+	}
+
+	/**
+	 * Check whether to enable recent changes patrol features
+	 * @return bool
+	 */
+	function usePatrol() {
+		global $wgUseRCPatrol, $wgUser;
+		return( $wgUseRCPatrol && $wgUser->isAllowed( 'patrol' ) );
+	}
+
+
+}
+
+
+/**
+ * Generate a list of changes using the good old system (no javascript)
+ */
+class OldChangesList extends ChangesList {
+	/**
+	 * Format a line using the old system (aka without any javascript).
+	 */
+	function recentChangesLine( &$rc, $watched = false ) {
+		global $wgContLang;
+
+		$fname = 'ChangesList::recentChangesLineOld';
+		wfProfileIn( $fname );
+
+
+		# Extract DB fields into local scope
+		extract( $rc->mAttribs );
+		$curIdEq = 'curid=' . $rc_cur_id;
+
+		# Should patrol-related stuff be shown?
+		$unpatrolled = $this->usePatrol() && $rc_patrolled == 0;
+
+		$this->insertDateHeader($s,$rc_timestamp);
+
+		$s .= '<li>';
+
+		// moved pages
+		if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
+			$this->insertMove( $s, $rc );
+		// log entries
+		} elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
+			$this->insertLog($s, $rc->getTitle(), $matches[1]);
+		// all other stuff
+		} else {
+			wfProfileIn($fname.'-page');
+
+			$this->insertDiffHist($s, $rc, $unpatrolled);
+
+			# M, N, b and ! (minor, new, bot and unpatrolled)
+			$s .= ' ' . $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $unpatrolled, '', $rc_bot );
+			$this->insertArticleLink($s, $rc, $unpatrolled, $watched);
+
+			wfProfileOut($fname.'-page');
+		}
+
+		wfProfileIn( $fname.'-rest' );
+
+		$this->insertTimestamp($s,$rc);
+		$this->insertUserRelatedLinks($s,$rc);
+		$this->insertComment($s, $rc);
+
+		if($rc->numberofWatchingusers > 0) {
+			$s .= ' ' . wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($rc->numberofWatchingusers));
+		}
+
+		$s .= "</li>\n";
+
+		wfProfileOut( $fname.'-rest' );
+
+		wfProfileOut( $fname );
+		return $s;
+	}
+}
+
+
+/**
+ * Generate a list of changes using an Enhanced system (use javascript).
+ */
+class EnhancedChangesList extends ChangesList {
+	/**
+	 * Format a line for enhanced recentchange (aka with javascript and block of lines).
+	 */
+	function recentChangesLine( &$baseRC, $watched = false ) {
+		global $wgLang, $wgContLang;
+
+		# Create a specialised object
+		$rc = RCCacheEntry::newFromParent( $baseRC );
+
+		# Extract fields from DB into the function scope (rc_xxxx variables)
+		extract( $rc->mAttribs );
+		$curIdEq = 'curid=' . $rc_cur_id;
+
+		# If it's a new day, add the headline and flush the cache
+		$date = $wgLang->date( $rc_timestamp, true);
+		$ret = '';
+		if( $date != $this->lastdate ) {
+			# Process current cache
+			$ret = $this->recentChangesBlock();
+			$this->rc_cache = array();
+			$ret .= "<h4>{$date}</h4>\n";
+			$this->lastdate = $date;
+		}
+
+		# Should patrol-related stuff be shown?
+		if( $this->usePatrol() ) {
+		  	$rc->unpatrolled = !$rc_patrolled;
+		} else {
+			$rc->unpatrolled = false;
+		}
+
+		# Make article link
+		if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
+			$msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
+			$clink = wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
+			  $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
+		} elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
+			# Log updates, etc
+			$logtype = $matches[1];
+			$logname = LogPage::logName( $logtype );
+			$clink = '(' . $this->skin->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
+		} elseif( $rc->unpatrolled && $rc_type == RC_NEW ) {
+			# Unpatrolled new page, give rc_id in query
+			$clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
+		} else {
+			$clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '' );
+		}
+
+		$time = $wgContLang->time( $rc_timestamp, true, true );
+		$rc->watched = $watched;
+		$rc->link = $clink;
+		$rc->timestamp = $time;
+		$rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
+
+		# Make "cur" and "diff" links
+		if( $rc->unpatrolled ) {
+			$rcIdQuery = "&rcid={$rc_id}";
+		} else {
+			$rcIdQuery = '';
+		}
+		$querycur = $curIdEq."&diff=0&oldid=$rc_this_oldid";
+		$querydiff = $curIdEq."&diff=$rc_this_oldid&oldid=$rc_last_oldid$rcIdQuery";
+		$aprops = ' tabindex="'.$baseRC->counter.'"';
+		$curLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['cur'], $querycur, '' ,'', $aprops );
+		if( $rc_type == RC_NEW || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
+			if( $rc_type != RC_NEW ) {
+				$curLink = $this->message['cur'];
+			}
+			$diffLink = $this->message['diff'];
+		} else {
+			$diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'], $querydiff, '' ,'', $aprops );
+		}
+
+		# Make "last" link
+		if( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
+			$lastLink = $this->message['last'];
+		} else {
+			$lastLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['last'],
+			  $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid . $rcIdQuery );
+		}
+
+		$rc->userlink = $this->skin->userLink( $rc_user, $rc_user_text );
+
+		$rc->lastlink = $lastLink;
+		$rc->curlink  = $curLink;
+		$rc->difflink = $diffLink;
+
+		$rc->usertalklink = $this->skin->userToolLinks( $rc_user, $rc_user_text );
+
+		# Put accumulated information into the cache, for later display
+		# Page moves go on their own line
+		$title = $rc->getTitle();
+		$secureName = $title->getPrefixedDBkey();
+		if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
+			# Use an @ character to prevent collision with page names
+			$this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
+		} else {
+			if( !isset ( $this->rc_cache[$secureName] ) ) {
+				$this->rc_cache[$secureName] = array();
+			}
+			array_push( $this->rc_cache[$secureName], $rc );
+		}
+		return $ret;
+	}
+
+	/**
+	 * Enhanced RC group
+	 */
+	function recentChangesBlockGroup( $block ) {
+		$r = '';
+
+		# Collate list of users
+		$isnew = false;
+		$unpatrolled = false;
+		$userlinks = array();
+		foreach( $block as $rcObj ) {
+			$oldid = $rcObj->mAttribs['rc_last_oldid'];
+			$newid = $rcObj->mAttribs['rc_this_oldid'];
+			if( $rcObj->mAttribs['rc_new'] ) {
+				$isnew = true;
+			}
+			$u = $rcObj->userlink;
+			if( !isset( $userlinks[$u] ) ) {
+				$userlinks[$u] = 0;
+			}
+			if( $rcObj->unpatrolled ) {
+				$unpatrolled = true;
+			}
+			$bot = $rcObj->mAttribs['rc_bot'];
+			$userlinks[$u]++;
+		}
+
+		# Sort the list and convert to text
+		krsort( $userlinks );
+		asort( $userlinks );
+		$users = array();
+		foreach( $userlinks as $userlink => $count) {
+			$text = $userlink;
+			if( $count > 1 ) {
+				$text .= ' ('.$count.'&times;)';
+			}
+			array_push( $users, $text );
+		}
+
+		$users = ' <span class="changedby">['.implode('; ',$users).']</span>';
+
+		# Arrow
+		$rci = 'RCI'.$this->rcCacheIndex;
+		$rcl = 'RCL'.$this->rcCacheIndex;
+		$rcm = 'RCM'.$this->rcCacheIndex;
+		$toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')";
+		$tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'">' . $this->sideArrow() . '</a></span>';
+		$tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'">' . $this->downArrow() . '</a></span>';
+		$r .= $tl;
+
+		# Main line
+		$r .= '<tt>';
+		$r .= $this->recentChangesFlags( $isnew, false, $unpatrolled, '&nbsp;', $bot );
+
+		# Timestamp
+		$r .= ' '.$block[0]->timestamp.' ';
+		$r .= '</tt>';
+
+		# Article link
+		$r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
+
+		$curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
+		$currentRevision = $block[0]->mAttribs['rc_this_oldid'];
+		if( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
+			# Changes
+			$r .= ' ('.count($block).' ';
+			if( $isnew ) {
+				$r .= $this->message['changes'];
+			} else {
+				$r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
+					$this->message['changes'], $curIdEq."&diff=$currentRevision&oldid=$oldid" );
+			}
+			$r .= '; ';
+
+			# History
+			$r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
+				$this->message['history'], $curIdEq.'&action=history' );
+			$r .= ')';
+		}
+
+		$r .= $users;
+
+		if($block[0]->numberofWatchingusers > 0) {
+			global $wgContLang;
+			$r .= wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($block[0]->numberofWatchingusers));
+		}
+		$r .= "<br />\n";
+
+		# Sub-entries
+		$r .= '<div id="'.$rci.'" style="display:none">';
+		foreach( $block as $rcObj ) {
+			# Get rc_xxxx variables
+			extract( $rcObj->mAttribs );
+
+			$r .= $this->spacerArrow();
+			$r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;';
+			$r .= $this->recentChangesFlags( $rc_new, $rc_minor, $rcObj->unpatrolled, '&nbsp;', $rc_bot );
+			$r .= '&nbsp;</tt>';
+
+			$o = '';
+			if( $rc_this_oldid != 0 ) {
+				$o = 'oldid='.$rc_this_oldid;
+			}
+			if( $rc_type == RC_LOG ) {
+				$link = $rcObj->timestamp;
+			} else {
+				$link = $this->skin->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp, $curIdEq.'&'.$o );
+			}
+			$link = '<tt>'.$link.'</tt>';
+
+			$r .= $link;
+			$r .= ' (';
+			$r .= $rcObj->curlink;
+			$r .= '; ';
+			$r .= $rcObj->lastlink;
+			$r .= ') . . '.$rcObj->userlink;
+			$r .= $rcObj->usertalklink;
+			$r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
+			$r .= "<br />\n";
+		}
+		$r .= "</div>\n";
+
+		$this->rcCacheIndex++;
+		return $r;
+	}
+
+	function maybeWatchedLink( $link, $watched=false ) {
+		if( $watched ) {
+			// FIXME: css style might be more appropriate
+			return '<strong>' . $link . '</strong>';
+		} else {
+			return $link;
+		}
+	}
+
+	/**
+	 * Generate HTML for an arrow or placeholder graphic
+	 * @param string $dir one of '', 'd', 'l', 'r'
+	 * @param string $alt text
+	 * @return string HTML <img> tag
+	 * @access private
+	 */
+	function arrow( $dir, $alt='' ) {
+		global $wgStylePath;
+		$encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
+		$encAlt = htmlspecialchars( $alt );
+		return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" />";
+	}
+
+	/**
+	 * Generate HTML for a right- or left-facing arrow,
+	 * depending on language direction.
+	 * @return string HTML <img> tag
+	 * @access private
+	 */
+	function sideArrow() {
+		global $wgContLang;
+		$dir = $wgContLang->isRTL() ? 'l' : 'r';
+		return $this->arrow( $dir, '+' );
+	}
+
+	/**
+	 * Generate HTML for a down-facing arrow
+	 * depending on language direction.
+	 * @return string HTML <img> tag
+	 * @access private
+	 */
+	function downArrow() {
+		return $this->arrow( 'd', '-' );
+	}
+
+	/**
+	 * Generate HTML for a spacer image
+	 * @return string HTML <img> tag
+	 * @access private
+	 */
+	function spacerArrow() {
+		return $this->arrow( '', ' ' );
+	}
+
+	/**
+	 * Enhanced RC ungrouped line.
+	 * @return string a HTML formated line (generated using $r)
+	 */
+	function recentChangesBlockLine( $rcObj ) {
+		global $wgContLang;
+
+		# Get rc_xxxx variables
+		extract( $rcObj->mAttribs );
+		$curIdEq = 'curid='.$rc_cur_id;
+
+		$r = '';
+
+		# Spacer image
+		$r .= $this->spacerArrow();
+
+		# Flag and Timestamp
+		$r .= '<tt>';
+
+		if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
+			$r .= '&nbsp;&nbsp;&nbsp;';
+		} else {
+			$r .= $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $rcObj->unpatrolled, '&nbsp;', $rc_bot );
+		}
+		$r .= ' '.$rcObj->timestamp.' </tt>';
+
+		# Article link
+		$r .= $this->maybeWatchedLink( $rcObj->link, $rcObj->watched );
+
+		# Diff
+		$r .= ' ('. $rcObj->difflink .'; ';
+
+		# Hist
+		$r .= $this->skin->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
+
+		# User/talk
+		$r .= ') . . '.$rcObj->userlink . $rcObj->usertalklink;
+
+		# Comment
+		if( $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
+			$r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
+		}
+
+		if( $rcObj->numberofWatchingusers > 0 ) {
+			$r .= wfMsg('number_of_watching_users_RCview', $wgContLang->formatNum($rcObj->numberofWatchingusers));
+		}
+
+		$r .= "<br />\n";
+		return $r;
+	}
+
+	/**
+	 * If enhanced RC is in use, this function takes the previously cached
+	 * RC lines, arranges them, and outputs the HTML
+	 */
+	function recentChangesBlock() {
+		if( count ( $this->rc_cache ) == 0 ) {
+			return '';
+		}
+		$blockOut = '';
+		foreach( $this->rc_cache as $secureName => $block ) {
+			if( count( $block ) < 2 ) {
+				$blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
+			} else {
+				$blockOut .= $this->recentChangesBlockGroup( $block );
+			}
+		}
+
+		return '<div>'.$blockOut.'</div>';
+	}
+
+	/**
+ 	 * Returns text for the end of RC
+	 * If enhanced RC is in use, returns pretty much all the text
+	 */
+	function endRecentChangesList() {
+		return $this->recentChangesBlock() . parent::endRecentChangesList();
+	}
+
+}
+?>
diff --git a/includes/CoreParserFunctions.php b/includes/CoreParserFunctions.php
new file mode 100644
index 00000000..d6578abf
--- /dev/null
+++ b/includes/CoreParserFunctions.php
@@ -0,0 +1,150 @@
+<?php
+
+/**
+ * Various core parser functions, registered in Parser::firstCallInit()
+ */
+
+class CoreParserFunctions {
+	static function ns( $parser, $part1 = '' ) {
+		global $wgContLang;
+		$found = false;
+		if ( intval( $part1 ) || $part1 == "0" ) {
+			$text = $wgContLang->getNsText( intval( $part1 ) );
+			$found = true;
+		} else {
+			$param = str_replace( ' ', '_', strtolower( $part1 ) );
+			$index = Namespace::getCanonicalIndex( strtolower( $param ) );
+			if ( !is_null( $index ) ) {
+				$text = $wgContLang->getNsText( $index );
+				$found = true;
+			}
+		}
+		if ( $found ) {
+			return $text;
+		} else {
+			return array( 'found' => false );
+		}
+	}
+
+	static function urlencode( $parser, $s = '' ) {
+		return urlencode( $s );
+	}
+
+	static function lcfirst( $parser, $s = '' ) {
+		global $wgContLang;
+		return $wgContLang->lcfirst( $s );
+	}
+
+	static function ucfirst( $parser, $s = '' ) {
+		global $wgContLang;
+		return $wgContLang->ucfirst( $s );
+	}
+
+	static function lc( $parser, $s = '' ) {
+		global $wgContLang;
+		return $wgContLang->lc( $s );
+	}
+
+	static function uc( $parser, $s = '' ) {
+		global $wgContLang;
+		return $wgContLang->uc( $s );
+	}
+
+	static function localurl( $parser, $s = '', $arg = null ) { return self::urlFunction( 'getLocalURL', $s, $arg ); }
+	static function localurle( $parser, $s = '', $arg = null ) { return self::urlFunction( 'escapeLocalURL', $s, $arg ); }
+	static function fullurl( $parser, $s = '', $arg = null ) { return self::urlFunction( 'getFullURL', $s, $arg ); }
+	static function fullurle( $parser, $s = '', $arg = null ) { return self::urlFunction( 'escapeFullURL', $s, $arg ); }
+
+	static function urlFunction( $func, $s = '', $arg = null ) {
+		$found = false;
+		$title = Title::newFromText( $s );
+		# Due to order of execution of a lot of bits, the values might be encoded
+		# before arriving here; if that's true, then the title can't be created
+		# and the variable will fail. If we can't get a decent title from the first
+		# attempt, url-decode and try for a second.
+		if( is_null( $title ) )
+			$title = Title::newFromUrl( urldecode( $s ) );
+		if ( !is_null( $title ) ) {
+			if ( !is_null( $arg ) ) {
+				$text = $title->$func( $arg );
+			} else {
+				$text = $title->$func();
+			}
+			$found = true;
+		}
+		if ( $found ) {
+			return $text;
+		} else {
+			return array( 'found' => false );
+		}
+	}
+
+	function formatNum( $parser, $num = '' ) {
+		return $parser->getFunctionLang()->formatNum( $num );
+	}
+	
+	function grammar( $parser, $case = '', $word = '' ) {
+		return $parser->getFunctionLang()->convertGrammar( $word, $case );
+	}
+
+	function plural( $parser, $text = '', $arg0 = null, $arg1 = null, $arg2 = null, $arg3 = null, $arg4 = null ) {
+		return $parser->getFunctionLang()->convertPlural( $text, $arg0, $arg1, $arg2, $arg3, $arg4 );
+	}
+
+	function displaytitle( $parser, $param = '' ) {
+		$parserOptions = new ParserOptions;
+		$local_parser = clone $parser;
+		$t2 = $local_parser->parse ( $param, $parser->mTitle, $parserOptions, false );
+		$parser->mOutput->mHTMLtitle = $t2->GetText();
+
+		# Add subtitle
+		$t = $parser->mTitle->getPrefixedText();
+		$parser->mOutput->mSubtitle .= wfMsg('displaytitle', $t);
+		return '';
+	}
+
+	function isRaw( $param ) {
+		static $mwRaw;
+		if ( !$mwRaw ) {
+			$mwRaw =& MagicWord::get( MAG_RAWSUFFIX );
+		}
+		if ( is_null( $param ) ) {
+			return false;
+		} else {
+			return $mwRaw->match( $param );
+		}
+	}
+
+	function statisticsFunction( $func, $raw = null ) {
+		if ( self::isRaw( $raw ) ) {
+			return call_user_func( $func );
+		} else {
+			global $wgContLang;
+			return $wgContLang->formatNum( call_user_func( $func ) );
+		}
+	}
+
+	function numberofpages( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfPages', $raw ); }
+	function numberofusers( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfUsers', $raw ); }
+	function numberofarticles( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfArticles', $raw ); }
+	function numberoffiles( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfFiles', $raw ); }
+	function numberofadmins( $parser, $raw = null ) { return self::statisticsFunction( 'wfNumberOfAdmins', $raw ); }
+
+	function pagesinnamespace( $parser, $namespace = 0, $raw = null ) {
+		$count = wfPagesInNs( intval( $namespace ) );
+		if ( self::isRaw( $raw ) ) {
+			global $wgContLang;
+			return $wgContLang->formatNum( $count );
+		} else {
+			return $count;
+		}
+	}
+
+	function language( $parser, $arg = '' ) {
+		global $wgContLang;
+		$lang = $wgContLang->getLanguageName( strtolower( $arg ) );
+		return $lang != '' ? $lang : $arg;
+	}
+}
+
+?>
diff --git a/includes/Credits.php b/includes/Credits.php
new file mode 100644
index 00000000..ff33de74
--- /dev/null
+++ b/includes/Credits.php
@@ -0,0 +1,187 @@
+<?php
+/**
+ * Credits.php -- formats credits for articles
+ * Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * @author <evan@wikitravel.org>
+ * @package MediaWiki
+ */
+
+/**
+ * This is largely cadged from PageHistory::history
+ */
+function showCreditsPage($article) {
+	global $wgOut;
+
+	$fname = 'showCreditsPage';
+
+	wfProfileIn( $fname );
+	
+	$wgOut->setPageTitle( $article->mTitle->getPrefixedText() );
+	$wgOut->setSubtitle( wfMsg( 'creditspage' ) );
+	$wgOut->setArticleFlag( false );
+	$wgOut->setArticleRelated( true );
+	$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+	if( $article->mTitle->getArticleID() == 0 ) {
+		$s = wfMsg( 'nocredits' );
+	} else {
+		$s = getCredits($article, -1);
+	}
+
+	$wgOut->addHTML( $s );
+
+	wfProfileOut( $fname );
+}
+
+function getCredits($article, $cnt, $showIfMax=true) {
+	$fname = 'getCredits';
+	wfProfileIn( $fname );
+	$s = '';
+
+	if (isset($cnt) && $cnt != 0) {
+		$s = getAuthorCredits($article);
+		if ($cnt > 1 || $cnt < 0) {
+			$s .= ' ' . getContributorCredits($article, $cnt - 1, $showIfMax);
+		}
+	}
+
+	wfProfileOut( $fname );
+	return $s;
+}
+
+/**
+ *
+ */
+function getAuthorCredits($article) {
+	global $wgLang, $wgAllowRealName;
+
+	$last_author = $article->getUser();
+
+	if ($last_author == 0) {
+		$author_credit = wfMsg('anonymous');
+	} else {
+		if($wgAllowRealName) { $real_name = User::whoIsReal($last_author); }
+		$user_name = User::whoIs($last_author);
+
+		if (!empty($real_name)) {
+			$author_credit = creditLink($user_name, $real_name);
+		} else {
+			$author_credit = wfMsg('siteuser', creditLink($user_name));
+		}
+	}
+
+	$timestamp = $article->getTimestamp();
+	if ($timestamp) {
+		$d = $wgLang->timeanddate($article->getTimestamp(), true);
+	} else {
+		$d = '';
+	}
+	return wfMsg('lastmodifiedby', $d, $author_credit);
+}
+
+/**
+ *
+ */
+function getContributorCredits($article, $cnt, $showIfMax) {
+
+	global $wgLang, $wgAllowRealName;
+
+	$contributors = $article->getContributors();
+
+	$others_link = '';
+
+	# Hmm... too many to fit!
+
+	if ($cnt > 0 && count($contributors) > $cnt) {
+		$others_link = creditOthersLink($article);
+		if (!$showIfMax) {
+			return wfMsg('othercontribs', $others_link);
+		} else {
+			$contributors = array_slice($contributors, 0, $cnt);
+		}
+	}
+
+	$real_names = array();
+	$user_names = array();
+
+	$anon = '';
+
+	# Sift for real versus user names
+
+	foreach ($contributors as $user_parts) {
+		if ($user_parts[0] != 0) {
+			if ($wgAllowRealName && !empty($user_parts[2])) {
+				$real_names[] = creditLink($user_parts[1], $user_parts[2]);
+			} else {
+				$user_names[] = creditLink($user_parts[1]);
+			}
+		} else {
+			$anon = wfMsg('anonymous');
+		}
+	}
+
+	# Two strings: real names, and user names
+
+	$real = $wgLang->listToText($real_names);
+	$user = $wgLang->listToText($user_names);
+
+	# "ThisSite user(s) A, B and C"
+
+	if (!empty($user)) {
+		$user = wfMsg('siteusers', $user);
+	}
+
+	# This is the big list, all mooshed together. We sift for blank strings
+
+	$fulllist = array();
+
+	foreach (array($real, $user, $anon, $others_link) as $s) {
+		if (!empty($s)) {
+			array_push($fulllist, $s);
+		}
+	}
+
+	# Make the list into text...
+
+	$creds = $wgLang->listToText($fulllist);
+
+	# "Based on work by ..."
+
+	return (empty($creds)) ? '' : wfMsg('othercontribs', $creds);
+}
+
+/**
+ *
+ */
+function creditLink($user_name, $link_text = '') {
+	global $wgUser, $wgContLang;
+	$skin = $wgUser->getSkin();
+	return $skin->makeLink($wgContLang->getNsText(NS_USER) . ':' . $user_name,
+			       htmlspecialchars( (empty($link_text)) ? $user_name : $link_text ));
+}
+
+/**
+ *
+ */
+function creditOthersLink($article) {
+	global $wgUser;
+	$skin = $wgUser->getSkin();
+	return $skin->makeKnownLink($article->mTitle->getPrefixedText(), wfMsg('others'), 'action=credits');
+}
+
+?>
diff --git a/includes/Database.php b/includes/Database.php
new file mode 100644
index 00000000..f8e579b4
--- /dev/null
+++ b/includes/Database.php
@@ -0,0 +1,2020 @@
+<?php
+/**
+ * This file deals with MySQL interface functions
+ * and query specifics/optimisations
+ * @package MediaWiki
+ */
+
+/** See Database::makeList() */
+define( 'LIST_COMMA', 0 );
+define( 'LIST_AND', 1 );
+define( 'LIST_SET', 2 );
+define( 'LIST_NAMES', 3);
+define( 'LIST_OR', 4);
+
+/** Number of times to re-try an operation in case of deadlock */
+define( 'DEADLOCK_TRIES', 4 );
+/** Minimum time to wait before retry, in microseconds */
+define( 'DEADLOCK_DELAY_MIN', 500000 );
+/** Maximum time to wait before retry */
+define( 'DEADLOCK_DELAY_MAX', 1500000 );
+
+/******************************************************************************
+ * Utility classes
+ *****************************************************************************/
+
+class DBObject {
+	public $mData;
+
+	function DBObject($data) {
+		$this->mData = $data;
+	}
+
+	function isLOB() {
+		return false;
+	}
+
+	function data() {
+		return $this->mData;
+	}
+};
+
+/******************************************************************************
+ * Error classes
+ *****************************************************************************/
+
+/**
+ * Database error base class
+ */
+class DBError extends MWException {
+	public $db;
+
+	/**
+	 * Construct a database error
+	 * @param Database $db The database object which threw the error
+	 * @param string $error A simple error message to be used for debugging
+	 */
+	function __construct( Database &$db, $error ) {
+		$this->db =& $db;
+		parent::__construct( $error );
+	}
+}
+
+class DBConnectionError extends DBError {
+	public $error;
+	
+	function __construct( Database &$db, $error = 'unknown error' ) {
+		$msg = 'DB connection error';
+		if ( trim( $error ) != '' ) {
+			$msg .= ": $error";
+		}
+		$this->error = $error;
+		parent::__construct( $db, $msg );
+	}
+
+	function useOutputPage() {
+		// Not likely to work
+		return false;
+	}
+
+	function useMessageCache() {
+		// Not likely to work
+		return false;
+	}
+	
+	function getText() {
+		return $this->getMessage() . "\n";
+	}
+
+	function getPageTitle() {
+		global $wgSitename;
+		return "$wgSitename has a problem";
+	}
+
+	function getHTML() {
+		global $wgTitle, $wgUseFileCache, $title, $wgInputEncoding, $wgOutputEncoding;
+		global $wgSitename, $wgServer, $wgMessageCache, $wgLogo;
+
+		# I give up, Brion is right. Getting the message cache to work when there is no DB is tricky.
+		# Hard coding strings instead.
+
+		$noconnect = "<p><strong>Sorry! This site is experiencing technical difficulties.</strong></p><p>Try waiting a few minutes and reloading.</p><p><small>(Can't contact the database server: $1)</small></p>";
+		$mainpage = 'Main Page';
+		$searchdisabled = <<<EOT
+<p style="margin: 1.5em 2em 1em">$wgSitename search is disabled for performance reasons. You can search via Google in the meantime.
+<span style="font-size: 89%; display: block; margin-left: .2em">Note that their indexes of $wgSitename content may be out of date.</span></p>',
+EOT;
+
+		$googlesearch = "
+<!-- SiteSearch Google -->
+<FORM method=GET action=\"http://www.google.com/search\">
+<TABLE bgcolor=\"#FFFFFF\"><tr><td>
+<A HREF=\"http://www.google.com/\">
+<IMG SRC=\"http://www.google.com/logos/Logo_40wht.gif\"
+border=\"0\" ALT=\"Google\"></A>
+</td>
+<td>
+<INPUT TYPE=text name=q size=31 maxlength=255 value=\"$1\">
+<INPUT type=submit name=btnG VALUE=\"Google Search\">
+<font size=-1>
+<input type=hidden name=domains value=\"$wgServer\"><br /><input type=radio name=sitesearch value=\"\"> WWW <input type=radio name=sitesearch value=\"$wgServer\" checked> $wgServer <br />
+<input type='hidden' name='ie' value='$2'>
+<input type='hidden' name='oe' value='$2'>
+</font>
+</td></tr></TABLE>
+</FORM>
+<!-- SiteSearch Google -->";
+		$cachederror = "The following is a cached copy of the requested page, and may not be up to date. ";
+
+		# No database access
+		if ( is_object( $wgMessageCache ) ) {
+			$wgMessageCache->disable();
+		}
+
+		if ( trim( $this->error ) == '' ) {
+			$this->error = $this->db->getProperty('mServer');
+		}
+
+		$text = str_replace( '$1', $this->error, $noconnect );
+		$text .= wfGetSiteNotice();
+
+		if($wgUseFileCache) {
+			if($wgTitle) {
+				$t =& $wgTitle;
+			} else {
+				if($title) {
+					$t = Title::newFromURL( $title );
+				} elseif (@/**/$_REQUEST['search']) {
+					$search = $_REQUEST['search'];
+					return $searchdisabled .
+					  str_replace( array( '$1', '$2' ), array( htmlspecialchars( $search ),
+					  $wgInputEncoding ), $googlesearch );
+				} else {
+					$t = Title::newFromText( $mainpage );
+				}
+			}
+
+			$cache = new CacheManager( $t );
+			if( $cache->isFileCached() ) {
+				$msg = '<p style="color: red"><b>'.$msg."<br />\n" .
+					$cachederror . "</b></p>\n";
+
+				$tag = '<div id="article">';
+				$text = str_replace(
+					$tag,
+					$tag . $msg,
+					$cache->fetchPageText() );
+			}
+		}
+
+		return $text;
+	}
+}
+
+class DBQueryError extends DBError {
+	public $error, $errno, $sql, $fname;
+	
+	function __construct( Database &$db, $error, $errno, $sql, $fname ) {
+		$message = "A database error has occurred\n" .
+		  "Query: $sql\n" .
+		  "Function: $fname\n" .
+		  "Error: $errno $error\n";
+
+		parent::__construct( $db, $message );
+		$this->error = $error;
+		$this->errno = $errno;
+		$this->sql = $sql;
+		$this->fname = $fname;
+	}
+
+	function getText() {
+		if ( $this->useMessageCache() ) {
+			return wfMsg( 'dberrortextcl', htmlspecialchars( $this->getSQL() ),
+			  htmlspecialchars( $this->fname ), $this->errno, htmlspecialchars( $this->error ) ) . "\n";
+		} else {
+			return $this->getMessage();
+		}
+	}
+	
+	function getSQL() {
+		global $wgShowSQLErrors;
+		if( !$wgShowSQLErrors ) {
+			return $this->msg( 'sqlhidden', 'SQL hidden' );
+		} else {
+			return $this->sql;
+		}
+	}
+	
+	function getPageTitle() {
+		return $this->msg( 'databaseerror', 'Database error' );
+	}
+
+	function getHTML() {
+		if ( $this->useMessageCache() ) {
+			return wfMsgNoDB( 'dberrortext', htmlspecialchars( $this->getSQL() ),
+			  htmlspecialchars( $this->fname ), $this->errno, htmlspecialchars( $this->error ) );
+		} else {
+			return nl2br( htmlspecialchars( $this->getMessage() ) );
+		}
+	}
+}
+
+class DBUnexpectedError extends DBError {}
+
+/******************************************************************************/
+
+/**
+ * Database abstraction object
+ * @package MediaWiki
+ */
+class Database {
+
+#------------------------------------------------------------------------------
+# Variables
+#------------------------------------------------------------------------------
+
+	protected $mLastQuery = '';
+
+	protected $mServer, $mUser, $mPassword, $mConn = null, $mDBname;
+	protected $mOut, $mOpened = false;
+
+	protected $mFailFunction;
+	protected $mTablePrefix;
+	protected $mFlags;
+	protected $mTrxLevel = 0;
+	protected $mErrorCount = 0;
+	protected $mLBInfo = array();
+
+#------------------------------------------------------------------------------
+# Accessors
+#------------------------------------------------------------------------------
+	# These optionally set a variable and return the previous state
+
+	/**
+	 * Fail function, takes a Database as a parameter
+	 * Set to false for default, 1 for ignore errors
+	 */
+	function failFunction( $function = NULL ) {
+		return wfSetVar( $this->mFailFunction, $function );
+	}
+
+	/**
+	 * Output page, used for reporting errors
+	 * FALSE means discard output
+	 */
+	function setOutputPage( $out ) {
+		$this->mOut = $out;
+	}
+
+	/**
+	 * Boolean, controls output of large amounts of debug information
+	 */
+	function debug( $debug = NULL ) {
+		return wfSetBit( $this->mFlags, DBO_DEBUG, $debug );
+	}
+
+	/**
+	 * Turns buffering of SQL result sets on (true) or off (false).
+	 * Default is "on" and it should not be changed without good reasons.
+	 */
+	function bufferResults( $buffer = NULL ) {
+		if ( is_null( $buffer ) ) {
+			return !(bool)( $this->mFlags & DBO_NOBUFFER );
+		} else {
+			return !wfSetBit( $this->mFlags, DBO_NOBUFFER, !$buffer );
+		}
+	}
+
+	/**
+	 * Turns on (false) or off (true) the automatic generation and sending
+	 * of a "we're sorry, but there has been a database error" page on
+	 * database errors. Default is on (false). When turned off, the
+	 * code should use wfLastErrno() and wfLastError() to handle the
+	 * situation as appropriate.
+	 */
+	function ignoreErrors( $ignoreErrors = NULL ) {
+		return wfSetBit( $this->mFlags, DBO_IGNORE, $ignoreErrors );
+	}
+
+	/**
+	 * The current depth of nested transactions
+	 * @param $level Integer: , default NULL.
+	 */
+	function trxLevel( $level = NULL ) {
+		return wfSetVar( $this->mTrxLevel, $level );
+	}
+
+	/**
+	 * Number of errors logged, only useful when errors are ignored
+	 */
+	function errorCount( $count = NULL ) {
+		return wfSetVar( $this->mErrorCount, $count );
+	}
+
+	/**
+	 * Properties passed down from the server info array of the load balancer
+	 */
+	function getLBInfo( $name = NULL ) {
+		if ( is_null( $name ) ) {
+			return $this->mLBInfo;
+		} else {
+			if ( array_key_exists( $name, $this->mLBInfo ) ) {
+				return $this->mLBInfo[$name];
+			} else {
+				return NULL;
+			}
+		}
+	}
+
+	function setLBInfo( $name, $value = NULL ) {
+		if ( is_null( $value ) ) {
+			$this->mLBInfo = $name;
+		} else {
+			$this->mLBInfo[$name] = $value;
+		}
+	}
+
+	/**#@+
+	 * Get function
+	 */
+	function lastQuery() { return $this->mLastQuery; }
+	function isOpen() { return $this->mOpened; }
+	/**#@-*/
+
+	function setFlag( $flag ) {
+		$this->mFlags |= $flag;
+	}
+
+	function clearFlag( $flag ) {
+		$this->mFlags &= ~$flag;
+	}
+
+	function getFlag( $flag ) {
+		return !!($this->mFlags & $flag);
+	}
+
+	/**
+	 * General read-only accessor
+	 */
+	function getProperty( $name ) {
+		return $this->$name;
+	}
+
+#------------------------------------------------------------------------------
+# Other functions
+#------------------------------------------------------------------------------
+
+	/**@{{
+	 * @param string $server database server host
+	 * @param string $user database user name
+	 * @param string $password database user password
+	 * @param string $dbname database name
+	 */
+
+	/**
+	 * @param failFunction
+	 * @param $flags
+	 * @param $tablePrefix String: database table prefixes. By default use the prefix gave in LocalSettings.php
+	 */
+	function __construct( $server = false, $user = false, $password = false, $dbName = false,
+		$failFunction = false, $flags = 0, $tablePrefix = 'get from global' ) {
+
+		global $wgOut, $wgDBprefix, $wgCommandLineMode;
+		# Can't get a reference if it hasn't been set yet
+		if ( !isset( $wgOut ) ) {
+			$wgOut = NULL;
+		}
+		$this->mOut =& $wgOut;
+
+		$this->mFailFunction = $failFunction;
+		$this->mFlags = $flags;
+
+		if ( $this->mFlags & DBO_DEFAULT ) {
+			if ( $wgCommandLineMode ) {
+				$this->mFlags &= ~DBO_TRX;
+			} else {
+				$this->mFlags |= DBO_TRX;
+			}
+		}
+
+		/*
+		// Faster read-only access
+		if ( wfReadOnly() ) {
+			$this->mFlags |= DBO_PERSISTENT;
+			$this->mFlags &= ~DBO_TRX;
+		}*/
+
+		/** Get the default table prefix*/
+		if ( $tablePrefix == 'get from global' ) {
+			$this->mTablePrefix = $wgDBprefix;
+		} else {
+			$this->mTablePrefix = $tablePrefix;
+		}
+
+		if ( $server ) {
+			$this->open( $server, $user, $password, $dbName );
+		}
+	}
+
+	/**
+	 * @static
+	 * @param failFunction
+	 * @param $flags
+	 */
+	static function newFromParams( $server, $user, $password, $dbName,
+		$failFunction = false, $flags = 0 )
+	{
+		return new Database( $server, $user, $password, $dbName, $failFunction, $flags );
+	}
+
+	/**
+	 * Usually aborts on failure
+	 * If the failFunction is set to a non-zero integer, returns success
+	 */
+	function open( $server, $user, $password, $dbName ) {
+		global $wguname;
+
+		# Test for missing mysql.so
+		# First try to load it
+		if (!@extension_loaded('mysql')) {
+			@dl('mysql.so');
+		}
+
+		# Fail now
+		# Otherwise we get a suppressed fatal error, which is very hard to track down
+		if ( !function_exists( 'mysql_connect' ) ) {
+			throw new DBConnectionError( $this, "MySQL functions missing, have you compiled PHP with the --with-mysql option?\n" );
+		}
+
+		$this->close();
+		$this->mServer = $server;
+		$this->mUser = $user;
+		$this->mPassword = $password;
+		$this->mDBname = $dbName;
+
+		$success = false;
+
+		if ( $this->mFlags & DBO_PERSISTENT ) {
+			@/**/$this->mConn = mysql_pconnect( $server, $user, $password );
+		} else {
+			# Create a new connection...
+			@/**/$this->mConn = mysql_connect( $server, $user, $password, true );
+		}
+
+		if ( $dbName != '' ) {
+			if ( $this->mConn !== false ) {
+				$success = @/**/mysql_select_db( $dbName, $this->mConn );
+				if ( !$success ) {
+					$error = "Error selecting database $dbName on server {$this->mServer} " .
+						"from client host {$wguname['nodename']}\n";
+					wfDebug( $error );
+				}
+			} else {
+				wfDebug( "DB connection error\n" );
+				wfDebug( "Server: $server, User: $user, Password: " .
+					substr( $password, 0, 3 ) . "..., error: " . mysql_error() . "\n" );
+				$success = false;
+			}
+		} else {
+			# Delay USE query
+			$success = (bool)$this->mConn;
+		}
+
+		if ( !$success ) {
+			$this->reportConnectionError();
+		}
+
+		global $wgDBmysql5;
+		if( $wgDBmysql5 ) {
+			// Tell the server we're communicating with it in UTF-8.
+			// This may engage various charset conversions.
+			$this->query( 'SET NAMES utf8' );
+		}
+
+		$this->mOpened = $success;
+		return $success;
+	}
+	/**@}}*/
+
+	/**
+	 * Closes a database connection.
+	 * if it is open : commits any open transactions
+	 *
+	 * @return bool operation success. true if already closed.
+	 */
+	function close()
+	{
+		$this->mOpened = false;
+		if ( $this->mConn ) {
+			if ( $this->trxLevel() ) {
+				$this->immediateCommit();
+			}
+			return mysql_close( $this->mConn );
+		} else {
+			return true;
+		}
+	}
+
+	/**
+	 * @param string $error fallback error message, used if none is given by MySQL
+	 */
+	function reportConnectionError( $error = 'Unknown error' ) {
+		$myError = $this->lastError();
+		if ( $myError ) {
+			$error = $myError;
+		}
+
+		if ( $this->mFailFunction ) {
+			# Legacy error handling method
+			if ( !is_int( $this->mFailFunction ) ) {
+				$ff = $this->mFailFunction;
+				$ff( $this, $error );
+			}
+		} else {
+			# New method
+			wfLogDBError( "Connection error: $error\n" );
+			throw new DBConnectionError( $this, $error );
+		}
+	}
+
+	/**
+	 * Usually aborts on failure
+	 * If errors are explicitly ignored, returns success
+	 */
+	function query( $sql, $fname = '', $tempIgnore = false ) {
+		global $wgProfiling;
+
+		if ( $wgProfiling ) {
+			# generalizeSQL will probably cut down the query to reasonable
+			# logging size most of the time. The substr is really just a sanity check.
+
+			# Who's been wasting my precious column space? -- TS
+			#$profName = 'query: ' . $fname . ' ' . substr( Database::generalizeSQL( $sql ), 0, 255 );
+
+			if ( is_null( $this->getLBInfo( 'master' ) ) ) {
+				$queryProf = 'query: ' . substr( Database::generalizeSQL( $sql ), 0, 255 );
+				$totalProf = 'Database::query';
+			} else {
+				$queryProf = 'query-m: ' . substr( Database::generalizeSQL( $sql ), 0, 255 );
+				$totalProf = 'Database::query-master';
+			}
+			wfProfileIn( $totalProf );
+			wfProfileIn( $queryProf );
+		}
+
+		$this->mLastQuery = $sql;
+
+		# Add a comment for easy SHOW PROCESSLIST interpretation
+		if ( $fname ) {
+			$commentedSql = preg_replace("/\s/", " /* $fname */ ", $sql, 1);
+		} else {
+			$commentedSql = $sql;
+		}
+
+		# If DBO_TRX is set, start a transaction
+		if ( ( $this->mFlags & DBO_TRX ) && !$this->trxLevel() && 
+			$sql != 'BEGIN' && $sql != 'COMMIT' && $sql != 'ROLLBACK' 
+		) {
+			$this->begin();
+		}
+
+		if ( $this->debug() ) {
+			$sqlx = substr( $commentedSql, 0, 500 );
+			$sqlx = strtr( $sqlx, "\t\n", '  ' );
+			wfDebug( "SQL: $sqlx\n" );
+		}
+
+		# Do the query and handle errors
+		$ret = $this->doQuery( $commentedSql );
+
+		# Try reconnecting if the connection was lost
+		if ( false === $ret && ( $this->lastErrno() == 2013 || $this->lastErrno() == 2006 ) ) {
+			# Transaction is gone, like it or not
+			$this->mTrxLevel = 0;
+			wfDebug( "Connection lost, reconnecting...\n" );
+			if ( $this->ping() ) {
+				wfDebug( "Reconnected\n" );
+				$ret = $this->doQuery( $commentedSql );
+			} else {
+				wfDebug( "Failed\n" );
+			}
+		}
+
+		if ( false === $ret ) {
+			$this->reportQueryError( $this->lastError(), $this->lastErrno(), $sql, $fname, $tempIgnore );
+		}
+
+		if ( $wgProfiling ) {
+			wfProfileOut( $queryProf );
+			wfProfileOut( $totalProf );
+		}
+		return $ret;
+	}
+
+	/**
+	 * The DBMS-dependent part of query()
+	 * @param string $sql SQL query.
+	 */
+	function doQuery( $sql ) {
+		if( $this->bufferResults() ) {
+			$ret = mysql_query( $sql, $this->mConn );
+		} else {
+			$ret = mysql_unbuffered_query( $sql, $this->mConn );
+		}
+		return $ret;
+	}
+
+	/**
+	 * @param $error
+	 * @param $errno
+	 * @param $sql
+	 * @param string $fname
+	 * @param bool $tempIgnore
+	 */
+	function reportQueryError( $error, $errno, $sql, $fname, $tempIgnore = false ) {
+		global $wgCommandLineMode, $wgFullyInitialised, $wgColorErrors;
+		# Ignore errors during error handling to avoid infinite recursion
+		$ignore = $this->ignoreErrors( true );
+		++$this->mErrorCount;
+
+		if( $ignore || $tempIgnore ) {
+			wfDebug("SQL ERROR (ignored): $error\n");
+			$this->ignoreErrors( $ignore );
+		} else {
+			$sql1line = str_replace( "\n", "\\n", $sql );
+			wfLogDBError("$fname\t{$this->mServer}\t$errno\t$error\t$sql1line\n");
+			wfDebug("SQL ERROR: " . $error . "\n");
+			throw new DBQueryError( $this, $error, $errno, $sql, $fname );
+		}
+	}
+
+
+	/**
+	 * Intended to be compatible with the PEAR::DB wrapper functions.
+	 * http://pear.php.net/manual/en/package.database.db.intro-execute.php
+	 *
+	 * ? = scalar value, quoted as necessary
+	 * ! = raw SQL bit (a function for instance)
+	 * & = filename; reads the file and inserts as a blob
+	 *     (we don't use this though...)
+	 */
+	function prepare( $sql, $func = 'Database::prepare' ) {
+		/* MySQL doesn't support prepared statements (yet), so just
+		   pack up the query for reference. We'll manually replace
+		   the bits later. */
+		return array( 'query' => $sql, 'func' => $func );
+	}
+
+	function freePrepared( $prepared ) {
+		/* No-op for MySQL */
+	}
+
+	/**
+	 * Execute a prepared query with the various arguments
+	 * @param string $prepared the prepared sql
+	 * @param mixed $args Either an array here, or put scalars as varargs
+	 */
+	function execute( $prepared, $args = null ) {
+		if( !is_array( $args ) ) {
+			# Pull the var args
+			$args = func_get_args();
+			array_shift( $args );
+		}
+		$sql = $this->fillPrepared( $prepared['query'], $args );
+		return $this->query( $sql, $prepared['func'] );
+	}
+
+	/**
+	 * Prepare & execute an SQL statement, quoting and inserting arguments
+	 * in the appropriate places.
+	 * @param string $query
+	 * @param string $args ...
+	 */
+	function safeQuery( $query, $args = null ) {
+		$prepared = $this->prepare( $query, 'Database::safeQuery' );
+		if( !is_array( $args ) ) {
+			# Pull the var args
+			$args = func_get_args();
+			array_shift( $args );
+		}
+		$retval = $this->execute( $prepared, $args );
+		$this->freePrepared( $prepared );
+		return $retval;
+	}
+
+	/**
+	 * For faking prepared SQL statements on DBs that don't support
+	 * it directly.
+	 * @param string $preparedSql - a 'preparable' SQL statement
+	 * @param array $args - array of arguments to fill it with
+	 * @return string executable SQL
+	 */
+	function fillPrepared( $preparedQuery, $args ) {
+		reset( $args );
+		$this->preparedArgs =& $args;
+		return preg_replace_callback( '/(\\\\[?!&]|[?!&])/',
+			array( &$this, 'fillPreparedArg' ), $preparedQuery );
+	}
+
+	/**
+	 * preg_callback func for fillPrepared()
+	 * The arguments should be in $this->preparedArgs and must not be touched
+	 * while we're doing this.
+	 *
+	 * @param array $matches
+	 * @return string
+	 * @private
+	 */
+	function fillPreparedArg( $matches ) {
+		switch( $matches[1] ) {
+			case '\\?': return '?';
+			case '\\!': return '!';
+			case '\\&': return '&';
+		}
+		list( $n, $arg ) = each( $this->preparedArgs );
+		switch( $matches[1] ) {
+			case '?': return $this->addQuotes( $arg );
+			case '!': return $arg;
+			case '&':
+				# return $this->addQuotes( file_get_contents( $arg ) );
+				throw new DBUnexpectedError( $this, '& mode is not implemented. If it\'s really needed, uncomment the line above.' );
+			default:
+				throw new DBUnexpectedError( $this, 'Received invalid match. This should never happen!' );
+		}
+	}
+
+	/**#@+
+	 * @param mixed $res A SQL result
+	 */
+	/**
+	 * Free a result object
+	 */
+	function freeResult( $res ) {
+		if ( !@/**/mysql_free_result( $res ) ) {
+			throw new DBUnexpectedError( $this, "Unable to free MySQL result" );
+		}
+	}
+
+	/**
+	 * Fetch the next row from the given result object, in object form
+	 */
+	function fetchObject( $res ) {
+		@/**/$row = mysql_fetch_object( $res );
+		if( mysql_errno() ) {
+			throw new DBUnexpectedError( $this, 'Error in fetchObject(): ' . htmlspecialchars( mysql_error() ) );
+		}
+		return $row;
+	}
+
+	/**
+	 * Fetch the next row from the given result object
+	 * Returns an array
+	 */
+ 	function fetchRow( $res ) {
+		@/**/$row = mysql_fetch_array( $res );
+		if (mysql_errno() ) {
+			throw new DBUnexpectedError( $this, 'Error in fetchRow(): ' . htmlspecialchars( mysql_error() ) );
+		}
+		return $row;
+	}
+
+	/**
+	 * Get the number of rows in a result object
+	 */
+	function numRows( $res ) {
+		@/**/$n = mysql_num_rows( $res );
+		if( mysql_errno() ) {
+			throw new DBUnexpectedError( $this, 'Error in numRows(): ' . htmlspecialchars( mysql_error() ) );
+		}
+		return $n;
+	}
+
+	/**
+	 * Get the number of fields in a result object
+	 * See documentation for mysql_num_fields()
+	 */
+	function numFields( $res ) { return mysql_num_fields( $res ); }
+
+	/**
+	 * Get a field name in a result object
+	 * See documentation for mysql_field_name():
+	 * http://www.php.net/mysql_field_name
+	 */
+	function fieldName( $res, $n ) { return mysql_field_name( $res, $n ); }
+
+	/**
+	 * Get the inserted value of an auto-increment row
+	 *
+	 * The value inserted should be fetched from nextSequenceValue()
+	 *
+	 * Example:
+	 * $id = $dbw->nextSequenceValue('page_page_id_seq');
+	 * $dbw->insert('page',array('page_id' => $id));
+	 * $id = $dbw->insertId();
+	 */
+	function insertId() { return mysql_insert_id( $this->mConn ); }
+
+	/**
+	 * Change the position of the cursor in a result object
+	 * See mysql_data_seek()
+	 */
+	function dataSeek( $res, $row ) { return mysql_data_seek( $res, $row ); }
+
+	/**
+	 * Get the last error number
+	 * See mysql_errno()
+	 */
+	function lastErrno() {
+		if ( $this->mConn ) {
+			return mysql_errno( $this->mConn );
+		} else {
+			return mysql_errno();
+		}
+	}
+
+	/**
+	 * Get a description of the last error
+	 * See mysql_error() for more details
+	 */
+	function lastError() {
+		if ( $this->mConn ) {
+			# Even if it's non-zero, it can still be invalid
+			wfSuppressWarnings();
+			$error = mysql_error( $this->mConn );
+			if ( !$error ) {
+				$error = mysql_error();
+			}
+			wfRestoreWarnings();
+		} else {
+			$error = mysql_error();
+		}
+		if( $error ) {
+			$error .= ' (' . $this->mServer . ')';
+		}
+		return $error;
+	}
+	/**
+	 * Get the number of rows affected by the last write query
+	 * See mysql_affected_rows() for more details
+	 */
+	function affectedRows() { return mysql_affected_rows( $this->mConn ); }
+	/**#@-*/ // end of template : @param $result
+
+	/**
+	 * Simple UPDATE wrapper
+	 * Usually aborts on failure
+	 * If errors are explicitly ignored, returns success
+	 *
+	 * This function exists for historical reasons, Database::update() has a more standard
+	 * calling convention and feature set
+	 */
+	function set( $table, $var, $value, $cond, $fname = 'Database::set' )
+	{
+		$table = $this->tableName( $table );
+		$sql = "UPDATE $table SET $var = '" .
+		  $this->strencode( $value ) . "' WHERE ($cond)";
+		return (bool)$this->query( $sql, $fname );
+	}
+
+	/**
+	 * Simple SELECT wrapper, returns a single field, input must be encoded
+	 * Usually aborts on failure
+	 * If errors are explicitly ignored, returns FALSE on failure
+	 */
+	function selectField( $table, $var, $cond='', $fname = 'Database::selectField', $options = array() ) {
+		if ( !is_array( $options ) ) {
+			$options = array( $options );
+		}
+		$options['LIMIT'] = 1;
+
+		$res = $this->select( $table, $var, $cond, $fname, $options );
+		if ( $res === false || !$this->numRows( $res ) ) {
+			return false;
+		}
+		$row = $this->fetchRow( $res );
+		if ( $row !== false ) {
+			$this->freeResult( $res );
+			return $row[0];
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Returns an optional USE INDEX clause to go after the table, and a
+	 * string to go at the end of the query
+	 *
+	 * @private
+	 *
+	 * @param array $options an associative array of options to be turned into
+	 *              an SQL query, valid keys are listed in the function.
+	 * @return array
+	 */
+	function makeSelectOptions( $options ) {
+		$tailOpts = '';
+		$startOpts = '';
+
+		$noKeyOptions = array();
+		foreach ( $options as $key => $option ) {
+			if ( is_numeric( $key ) ) {
+				$noKeyOptions[$option] = true;
+			}
+		}
+
+		if ( isset( $options['GROUP BY'] ) ) $tailOpts .= " GROUP BY {$options['GROUP BY']}";
+		if ( isset( $options['ORDER BY'] ) ) $tailOpts .= " ORDER BY {$options['ORDER BY']}";
+		
+		if (isset($options['LIMIT'])) {
+			$tailOpts .= $this->limitResult('', $options['LIMIT'],
+				isset($options['OFFSET']) ? $options['OFFSET'] : false);
+		}
+
+		if ( isset( $noKeyOptions['FOR UPDATE'] ) ) $tailOpts .= ' FOR UPDATE';
+		if ( isset( $noKeyOptions['LOCK IN SHARE MODE'] ) ) $tailOpts .= ' LOCK IN SHARE MODE';
+		if ( isset( $noKeyOptions['DISTINCT'] ) && isset( $noKeyOptions['DISTINCTROW'] ) ) $startOpts .= 'DISTINCT';
+
+		# Various MySQL extensions
+		if ( isset( $noKeyOptions['HIGH_PRIORITY'] ) ) $startOpts .= ' HIGH_PRIORITY';
+		if ( isset( $noKeyOptions['SQL_BIG_RESULT'] ) ) $startOpts .= ' SQL_BIG_RESULT';
+		if ( isset( $noKeyOptions['SQL_BUFFER_RESULT'] ) ) $startOpts .= ' SQL_BUFFER_RESULT';
+		if ( isset( $noKeyOptions['SQL_SMALL_RESULT'] ) ) $startOpts .= ' SQL_SMALL_RESULT';
+		if ( isset( $noKeyOptions['SQL_CALC_FOUND_ROWS'] ) ) $startOpts .= ' SQL_CALC_FOUND_ROWS';
+		if ( isset( $noKeyOptions['SQL_CACHE'] ) ) $startOpts .= ' SQL_CACHE';
+		if ( isset( $noKeyOptions['SQL_NO_CACHE'] ) ) $startOpts .= ' SQL_NO_CACHE';
+
+		if ( isset( $options['USE INDEX'] ) && ! is_array( $options['USE INDEX'] ) ) {
+			$useIndex = $this->useIndexClause( $options['USE INDEX'] );
+		} else {
+			$useIndex = '';
+		}
+		
+		return array( $startOpts, $useIndex, $tailOpts );
+	}
+
+	/**
+	 * SELECT wrapper
+	 */
+	function select( $table, $vars, $conds='', $fname = 'Database::select', $options = array() )
+	{
+		if( is_array( $vars ) ) {
+			$vars = implode( ',', $vars );
+		}
+		if( !is_array( $options ) ) {
+			$options = array( $options );
+		}
+		if( is_array( $table ) ) {
+			if ( @is_array( $options['USE INDEX'] ) )
+				$from = ' FROM ' . $this->tableNamesWithUseIndex( $table, $options['USE INDEX'] );
+			else
+				$from = ' FROM ' . implode( ',', array_map( array( &$this, 'tableName' ), $table ) );
+		} elseif ($table!='') {
+			$from = ' FROM ' . $this->tableName( $table );
+		} else {
+			$from = '';
+		}
+
+		list( $startOpts, $useIndex, $tailOpts ) = $this->makeSelectOptions( $options );
+
+		if( !empty( $conds ) ) {
+			if ( is_array( $conds ) ) {
+				$conds = $this->makeList( $conds, LIST_AND );
+			}
+			$sql = "SELECT $startOpts $vars $from $useIndex WHERE $conds $tailOpts";
+		} else {
+			$sql = "SELECT $startOpts $vars $from $useIndex $tailOpts";
+		}
+
+		return $this->query( $sql, $fname );
+	}
+
+	/**
+	 * Single row SELECT wrapper
+	 * Aborts or returns FALSE on error
+	 *
+	 * $vars: the selected variables
+	 * $conds: a condition map, terms are ANDed together.
+	 *   Items with numeric keys are taken to be literal conditions
+	 * Takes an array of selected variables, and a condition map, which is ANDed
+	 * e.g: selectRow( "page", array( "page_id" ), array( "page_namespace" =>
+	 * NS_MAIN, "page_title" => "Astronomy" ) )   would return an object where
+	 * $obj- >page_id is the ID of the Astronomy article
+	 *
+	 * @todo migrate documentation to phpdocumentor format
+	 */
+	function selectRow( $table, $vars, $conds, $fname = 'Database::selectRow', $options = array() ) {
+		$options['LIMIT'] = 1;
+		$res = $this->select( $table, $vars, $conds, $fname, $options );
+		if ( $res === false )
+			return false;
+		if ( !$this->numRows($res) ) {
+			$this->freeResult($res);
+			return false;
+		}
+		$obj = $this->fetchObject( $res );
+		$this->freeResult( $res );
+		return $obj;
+
+	}
+
+	/**
+	 * Removes most variables from an SQL query and replaces them with X or N for numbers.
+	 * It's only slightly flawed. Don't use for anything important.
+	 *
+	 * @param string $sql A SQL Query
+	 * @static
+	 */
+	static function generalizeSQL( $sql ) {
+		# This does the same as the regexp below would do, but in such a way
+		# as to avoid crashing php on some large strings.
+		# $sql = preg_replace ( "/'([^\\\\']|\\\\.)*'|\"([^\\\\\"]|\\\\.)*\"/", "'X'", $sql);
+
+		$sql = str_replace ( "\\\\", '', $sql);
+		$sql = str_replace ( "\\'", '', $sql);
+		$sql = str_replace ( "\\\"", '', $sql);
+		$sql = preg_replace ("/'.*'/s", "'X'", $sql);
+		$sql = preg_replace ('/".*"/s', "'X'", $sql);
+
+		# All newlines, tabs, etc replaced by single space
+		$sql = preg_replace ( "/\s+/", ' ', $sql);
+
+		# All numbers => N
+		$sql = preg_replace ('/-?[0-9]+/s', 'N', $sql);
+
+		return $sql;
+	}
+
+	/**
+	 * Determines whether a field exists in a table
+	 * Usually aborts on failure
+	 * If errors are explicitly ignored, returns NULL on failure
+	 */
+	function fieldExists( $table, $field, $fname = 'Database::fieldExists' ) {
+		$table = $this->tableName( $table );
+		$res = $this->query( 'DESCRIBE '.$table, $fname );
+		if ( !$res ) {
+			return NULL;
+		}
+
+		$found = false;
+
+		while ( $row = $this->fetchObject( $res ) ) {
+			if ( $row->Field == $field ) {
+				$found = true;
+				break;
+			}
+		}
+		return $found;
+	}
+
+	/**
+	 * Determines whether an index exists
+	 * Usually aborts on failure
+	 * If errors are explicitly ignored, returns NULL on failure
+	 */
+	function indexExists( $table, $index, $fname = 'Database::indexExists' ) {
+		$info = $this->indexInfo( $table, $index, $fname );
+		if ( is_null( $info ) ) {
+			return NULL;
+		} else {
+			return $info !== false;
+		}
+	}
+
+
+	/**
+	 * Get information about an index into an object
+	 * Returns false if the index does not exist
+	 */
+	function indexInfo( $table, $index, $fname = 'Database::indexInfo' ) {
+		# SHOW INDEX works in MySQL 3.23.58, but SHOW INDEXES does not.
+		# SHOW INDEX should work for 3.x and up:
+		# http://dev.mysql.com/doc/mysql/en/SHOW_INDEX.html
+		$table = $this->tableName( $table );
+		$sql = 'SHOW INDEX FROM '.$table;
+		$res = $this->query( $sql, $fname );
+		if ( !$res ) {
+			return NULL;
+		}
+
+		while ( $row = $this->fetchObject( $res ) ) {
+			if ( $row->Key_name == $index ) {
+				return $row;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Query whether a given table exists
+	 */
+	function tableExists( $table ) {
+		$table = $this->tableName( $table );
+		$old = $this->ignoreErrors( true );
+		$res = $this->query( "SELECT 1 FROM $table LIMIT 1" );
+		$this->ignoreErrors( $old );
+		if( $res ) {
+			$this->freeResult( $res );
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * mysql_fetch_field() wrapper
+	 * Returns false if the field doesn't exist
+	 *
+	 * @param $table
+	 * @param $field
+	 */
+	function fieldInfo( $table, $field ) {
+		$table = $this->tableName( $table );
+		$res = $this->query( "SELECT * FROM $table LIMIT 1" );
+		$n = mysql_num_fields( $res );
+		for( $i = 0; $i < $n; $i++ ) {
+			$meta = mysql_fetch_field( $res, $i );
+			if( $field == $meta->name ) {
+				return $meta;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * mysql_field_type() wrapper
+	 */
+	function fieldType( $res, $index ) {
+		return mysql_field_type( $res, $index );
+	}
+
+	/**
+	 * Determines if a given index is unique
+	 */
+	function indexUnique( $table, $index ) {
+		$indexInfo = $this->indexInfo( $table, $index );
+		if ( !$indexInfo ) {
+			return NULL;
+		}
+		return !$indexInfo->Non_unique;
+	}
+
+	/**
+	 * INSERT wrapper, inserts an array into a table
+	 *
+	 * $a may be a single associative array, or an array of these with numeric keys, for
+	 * multi-row insert.
+	 *
+	 * Usually aborts on failure
+	 * If errors are explicitly ignored, returns success
+	 */
+	function insert( $table, $a, $fname = 'Database::insert', $options = array() ) {
+		# No rows to insert, easy just return now
+		if ( !count( $a ) ) {
+			return true;
+		}
+
+		$table = $this->tableName( $table );
+		if ( !is_array( $options ) ) {
+			$options = array( $options );
+		}
+		if ( isset( $a[0] ) && is_array( $a[0] ) ) {
+			$multi = true;
+			$keys = array_keys( $a[0] );
+		} else {
+			$multi = false;
+			$keys = array_keys( $a );
+		}
+
+		$sql = 'INSERT ' . implode( ' ', $options ) .
+			" INTO $table (" . implode( ',', $keys ) . ') VALUES ';
+
+		if ( $multi ) {
+			$first = true;
+			foreach ( $a as $row ) {
+				if ( $first ) {
+					$first = false;
+				} else {
+					$sql .= ',';
+				}
+				$sql .= '(' . $this->makeList( $row ) . ')';
+			}
+		} else {
+			$sql .= '(' . $this->makeList( $a ) . ')';
+		}
+		return (bool)$this->query( $sql, $fname );
+	}
+
+	/**
+	 * Make UPDATE options for the Database::update function
+	 *
+	 * @private
+	 * @param array $options The options passed to Database::update
+	 * @return string
+	 */
+	function makeUpdateOptions( $options ) {
+		if( !is_array( $options ) ) {
+			$options = array( $options );
+		}
+		$opts = array();
+		if ( in_array( 'LOW_PRIORITY', $options ) )
+			$opts[] = $this->lowPriorityOption();
+		if ( in_array( 'IGNORE', $options ) )
+			$opts[] = 'IGNORE';
+		return implode(' ', $opts);
+	}
+
+	/**
+	 * UPDATE wrapper, takes a condition array and a SET array
+	 *
+	 * @param string $table  The table to UPDATE
+	 * @param array  $values An array of values to SET
+	 * @param array  $conds  An array of conditions (WHERE). Use '*' to update all rows.
+	 * @param string $fname  The Class::Function calling this function
+	 *                       (for the log)
+	 * @param array  $options An array of UPDATE options, can be one or
+	 *                        more of IGNORE, LOW_PRIORITY
+	 */
+	function update( $table, $values, $conds, $fname = 'Database::update', $options = array() ) {
+		$table = $this->tableName( $table );
+		$opts = $this->makeUpdateOptions( $options );
+		$sql = "UPDATE $opts $table SET " . $this->makeList( $values, LIST_SET );
+		if ( $conds != '*' ) {
+			$sql .= " WHERE " . $this->makeList( $conds, LIST_AND );
+		}
+		$this->query( $sql, $fname );
+	}
+
+	/**
+	 * Makes a wfStrencoded list from an array
+	 * $mode:
+	 *        LIST_COMMA         - comma separated, no field names
+	 *        LIST_AND           - ANDed WHERE clause (without the WHERE)
+	 *        LIST_OR            - ORed WHERE clause (without the WHERE)
+	 *        LIST_SET           - comma separated with field names, like a SET clause
+	 *        LIST_NAMES         - comma separated field names
+	 */
+	function makeList( $a, $mode = LIST_COMMA ) {
+		if ( !is_array( $a ) ) {
+			throw new DBUnexpectedError( $this, 'Database::makeList called with incorrect parameters' );
+		}
+
+		$first = true;
+		$list = '';
+		foreach ( $a as $field => $value ) {
+			if ( !$first ) {
+				if ( $mode == LIST_AND ) {
+					$list .= ' AND ';
+				} elseif($mode == LIST_OR) {
+					$list .= ' OR ';
+				} else {
+					$list .= ',';
+				}
+			} else {
+				$first = false;
+			}
+			if ( ($mode == LIST_AND || $mode == LIST_OR) && is_numeric( $field ) ) {
+				$list .= "($value)";
+			} elseif ( ($mode == LIST_AND || $mode == LIST_OR) && is_array ($value) ) {
+				$list .= $field." IN (".$this->makeList($value).") ";
+			} else {
+				if ( $mode == LIST_AND || $mode == LIST_OR || $mode == LIST_SET ) {
+					$list .= "$field = ";
+				}
+				$list .= $mode == LIST_NAMES ? $value : $this->addQuotes( $value );
+			}
+		}
+		return $list;
+	}
+
+	/**
+	 * Change the current database
+	 */
+	function selectDB( $db ) {
+		$this->mDBname = $db;
+		return mysql_select_db( $db, $this->mConn );
+	}
+
+	/**
+	 * Format a table name ready for use in constructing an SQL query
+	 *
+	 * This does two important things: it quotes table names which as necessary,
+	 * and it adds a table prefix if there is one.
+	 *
+	 * All functions of this object which require a table name call this function
+	 * themselves. Pass the canonical name to such functions. This is only needed
+	 * when calling query() directly.
+	 *
+	 * @param string $name database table name
+	 */
+	function tableName( $name ) {
+		global $wgSharedDB;
+		# Skip quoted literals
+		if ( $name{0} != '`' ) {
+			if ( $this->mTablePrefix !== '' &&  strpos( '.', $name ) === false ) {
+				$name = "{$this->mTablePrefix}$name";
+			}
+			if ( isset( $wgSharedDB ) && "{$this->mTablePrefix}user" == $name ) {
+				$name = "`$wgSharedDB`.`$name`";
+			} else {
+				# Standard quoting
+				$name = "`$name`";
+			}
+		}
+		return $name;
+	}
+
+	/**
+	 * Fetch a number of table names into an array
+	 * This is handy when you need to construct SQL for joins
+	 *
+	 * Example:
+	 * extract($dbr->tableNames('user','watchlist'));
+	 * $sql = "SELECT wl_namespace,wl_title FROM $watchlist,$user
+	 *         WHERE wl_user=user_id AND wl_user=$nameWithQuotes";
+	 */
+	function tableNames() {
+		$inArray = func_get_args();
+		$retVal = array();
+		foreach ( $inArray as $name ) {
+			$retVal[$name] = $this->tableName( $name );
+		}
+		return $retVal;
+	}
+
+	/**
+	 * @private
+	 */
+	function tableNamesWithUseIndex( $tables, $use_index ) {
+		$ret = array();
+
+		foreach ( $tables as $table )
+			if ( @$use_index[$table] !== null )
+				$ret[] = $this->tableName( $table ) . ' ' . $this->useIndexClause( implode( ',', (array)$use_index[$table] ) );
+			else
+				$ret[] = $this->tableName( $table );
+
+		return implode( ',', $ret );
+	}
+
+	/**
+	 * Wrapper for addslashes()
+	 * @param string $s String to be slashed.
+	 * @return string slashed string.
+	 */
+	function strencode( $s ) {
+		return mysql_real_escape_string( $s, $this->mConn );
+	}
+
+	/**
+	 * If it's a string, adds quotes and backslashes
+	 * Otherwise returns as-is
+	 */
+	function addQuotes( $s ) {
+		if ( is_null( $s ) ) {
+			return 'NULL';
+		} else {
+			# This will also quote numeric values. This should be harmless,
+			# and protects against weird problems that occur when they really
+			# _are_ strings such as article titles and string->number->string
+			# conversion is not 1:1.
+			return "'" . $this->strencode( $s ) . "'";
+		}
+	}
+
+	/**
+	 * Escape string for safe LIKE usage
+	 */
+	function escapeLike( $s ) {
+		$s=$this->strencode( $s );
+		$s=str_replace(array('%','_'),array('\%','\_'),$s);
+		return $s;
+	}
+
+	/**
+	 * Returns an appropriately quoted sequence value for inserting a new row.
+	 * MySQL has autoincrement fields, so this is just NULL. But the PostgreSQL
+	 * subclass will return an integer, and save the value for insertId()
+	 */
+	function nextSequenceValue( $seqName ) {
+		return NULL;
+	}
+
+	/**
+	 * USE INDEX clause
+	 * PostgreSQL doesn't have them and returns ""
+	 */
+	function useIndexClause( $index ) {
+		return "FORCE INDEX ($index)";
+	}
+
+	/**
+	 * REPLACE query wrapper
+	 * PostgreSQL simulates this with a DELETE followed by INSERT
+	 * $row is the row to insert, an associative array
+	 * $uniqueIndexes is an array of indexes. Each element may be either a
+	 * field name or an array of field names
+	 *
+	 * It may be more efficient to leave off unique indexes which are unlikely to collide.
+	 * However if you do this, you run the risk of encountering errors which wouldn't have
+	 * occurred in MySQL
+	 *
+	 * @todo migrate comment to phodocumentor format
+	 */
+	function replace( $table, $uniqueIndexes, $rows, $fname = 'Database::replace' ) {
+		$table = $this->tableName( $table );
+
+		# Single row case
+		if ( !is_array( reset( $rows ) ) ) {
+			$rows = array( $rows );
+		}
+
+		$sql = "REPLACE INTO $table (" . implode( ',', array_keys( $rows[0] ) ) .') VALUES ';
+		$first = true;
+		foreach ( $rows as $row ) {
+			if ( $first ) {
+				$first = false;
+			} else {
+				$sql .= ',';
+			}
+			$sql .= '(' . $this->makeList( $row ) . ')';
+		}
+		return $this->query( $sql, $fname );
+	}
+
+	/**
+	 * DELETE where the condition is a join
+	 * MySQL does this with a multi-table DELETE syntax, PostgreSQL does it with sub-selects
+	 *
+	 * For safety, an empty $conds will not delete everything. If you want to delete all rows where the
+	 * join condition matches, set $conds='*'
+	 *
+	 * DO NOT put the join condition in $conds
+	 *
+	 * @param string $delTable The table to delete from.
+	 * @param string $joinTable The other table.
+	 * @param string $delVar The variable to join on, in the first table.
+	 * @param string $joinVar The variable to join on, in the second table.
+	 * @param array $conds Condition array of field names mapped to variables, ANDed together in the WHERE clause
+	 */
+	function deleteJoin( $delTable, $joinTable, $delVar, $joinVar, $conds, $fname = 'Database::deleteJoin' ) {
+		if ( !$conds ) {
+			throw new DBUnexpectedError( $this, 'Database::deleteJoin() called with empty $conds' );
+		}
+
+		$delTable = $this->tableName( $delTable );
+		$joinTable = $this->tableName( $joinTable );
+		$sql = "DELETE $delTable FROM $delTable, $joinTable WHERE $delVar=$joinVar ";
+		if ( $conds != '*' ) {
+			$sql .= ' AND ' . $this->makeList( $conds, LIST_AND );
+		}
+
+		return $this->query( $sql, $fname );
+	}
+
+	/**
+	 * Returns the size of a text field, or -1 for "unlimited"
+	 */
+	function textFieldSize( $table, $field ) {
+		$table = $this->tableName( $table );
+		$sql = "SHOW COLUMNS FROM $table LIKE \"$field\";";
+		$res = $this->query( $sql, 'Database::textFieldSize' );
+		$row = $this->fetchObject( $res );
+		$this->freeResult( $res );
+
+		if ( preg_match( "/\((.*)\)/", $row->Type, $m ) ) {
+			$size = $m[1];
+		} else {
+			$size = -1;
+		}
+		return $size;
+	}
+
+	/**
+	 * @return string Returns the text of the low priority option if it is supported, or a blank string otherwise
+	 */
+	function lowPriorityOption() {
+		return 'LOW_PRIORITY';
+	}
+
+	/**
+	 * DELETE query wrapper
+	 *
+	 * Use $conds == "*" to delete all rows
+	 */
+	function delete( $table, $conds, $fname = 'Database::delete' ) {
+		if ( !$conds ) {
+			throw new DBUnexpectedError( $this, 'Database::delete() called with no conditions' );
+		}
+		$table = $this->tableName( $table );
+		$sql = "DELETE FROM $table";
+		if ( $conds != '*' ) {
+			$sql .= ' WHERE ' . $this->makeList( $conds, LIST_AND );
+		}
+		return $this->query( $sql, $fname );
+	}
+
+	/**
+	 * INSERT SELECT wrapper
+	 * $varMap must be an associative array of the form array( 'dest1' => 'source1', ...)
+	 * Source items may be literals rather than field names, but strings should be quoted with Database::addQuotes()
+	 * $conds may be "*" to copy the whole table
+	 * srcTable may be an array of tables.
+	 */
+	function insertSelect( $destTable, $srcTable, $varMap, $conds, $fname = 'Database::insertSelect',
+		$insertOptions = array(), $selectOptions = array() )
+	{
+		$destTable = $this->tableName( $destTable );
+		if ( is_array( $insertOptions ) ) {
+			$insertOptions = implode( ' ', $insertOptions );
+		}
+		if( !is_array( $selectOptions ) ) {
+			$selectOptions = array( $selectOptions );
+		}
+		list( $startOpts, $useIndex, $tailOpts ) = $this->makeSelectOptions( $selectOptions );
+		if( is_array( $srcTable ) ) {
+			$srcTable =  implode( ',', array_map( array( &$this, 'tableName' ), $srcTable ) );
+		} else {
+			$srcTable = $this->tableName( $srcTable );
+		}
+		$sql = "INSERT $insertOptions INTO $destTable (" . implode( ',', array_keys( $varMap ) ) . ')' .
+			" SELECT $startOpts " . implode( ',', $varMap ) .
+			" FROM $srcTable $useIndex ";
+		if ( $conds != '*' ) {
+			$sql .= ' WHERE ' . $this->makeList( $conds, LIST_AND );
+		}
+		$sql .= " $tailOpts";
+		return $this->query( $sql, $fname );
+	}
+
+	/**
+	 * Construct a LIMIT query with optional offset
+	 * This is used for query pages
+	 * $sql string SQL query we will append the limit too
+	 * $limit integer the SQL limit
+	 * $offset integer the SQL offset (default false)
+	 */
+	function limitResult($sql, $limit, $offset=false) {
+		if( !is_numeric($limit) ) {
+			throw new DBUnexpectedError( $this, "Invalid non-numeric limit passed to limitResult()\n" );
+		}
+		return " $sql LIMIT "
+				. ( (is_numeric($offset) && $offset != 0) ? "{$offset}," : "" )
+				. "{$limit} ";
+	}
+	function limitResultForUpdate($sql, $num) {
+		return $this->limitResult($sql, $num, 0);
+	}
+
+	/**
+	 * Returns an SQL expression for a simple conditional.
+	 * Uses IF on MySQL.
+	 *
+	 * @param string $cond SQL expression which will result in a boolean value
+	 * @param string $trueVal SQL expression to return if true
+	 * @param string $falseVal SQL expression to return if false
+	 * @return string SQL fragment
+	 */
+	function conditional( $cond, $trueVal, $falseVal ) {
+		return " IF($cond, $trueVal, $falseVal) ";
+	}
+
+	/**
+	 * Determines if the last failure was due to a deadlock
+	 */
+	function wasDeadlock() {
+		return $this->lastErrno() == 1213;
+	}
+
+	/**
+	 * Perform a deadlock-prone transaction.
+	 *
+	 * This function invokes a callback function to perform a set of write
+	 * queries. If a deadlock occurs during the processing, the transaction
+	 * will be rolled back and the callback function will be called again.
+	 *
+	 * Usage:
+	 *   $dbw->deadlockLoop( callback, ... );
+	 *
+	 * Extra arguments are passed through to the specified callback function.
+	 *
+	 * Returns whatever the callback function returned on its successful,
+	 * iteration, or false on error, for example if the retry limit was
+	 * reached.
+	 */
+	function deadlockLoop() {
+		$myFname = 'Database::deadlockLoop';
+
+		$this->begin();
+		$args = func_get_args();
+		$function = array_shift( $args );
+		$oldIgnore = $this->ignoreErrors( true );
+		$tries = DEADLOCK_TRIES;
+		if ( is_array( $function ) ) {
+			$fname = $function[0];
+		} else {
+			$fname = $function;
+		}
+		do {
+			$retVal = call_user_func_array( $function, $args );
+			$error = $this->lastError();
+			$errno = $this->lastErrno();
+			$sql = $this->lastQuery();
+
+			if ( $errno ) {
+				if ( $this->wasDeadlock() ) {
+					# Retry
+					usleep( mt_rand( DEADLOCK_DELAY_MIN, DEADLOCK_DELAY_MAX ) );
+				} else {
+					$this->reportQueryError( $error, $errno, $sql, $fname );
+				}
+			}
+		} while( $this->wasDeadlock() && --$tries > 0 );
+		$this->ignoreErrors( $oldIgnore );
+		if ( $tries <= 0 ) {
+			$this->query( 'ROLLBACK', $myFname );
+			$this->reportQueryError( $error, $errno, $sql, $fname );
+			return false;
+		} else {
+			$this->query( 'COMMIT', $myFname );
+			return $retVal;
+		}
+	}
+
+	/**
+	 * Do a SELECT MASTER_POS_WAIT()
+	 *
+	 * @param string $file the binlog file
+	 * @param string $pos the binlog position
+	 * @param integer $timeout the maximum number of seconds to wait for synchronisation
+	 */
+	function masterPosWait( $file, $pos, $timeout ) {
+		$fname = 'Database::masterPosWait';
+		wfProfileIn( $fname );
+
+
+		# Commit any open transactions
+		$this->immediateCommit();
+
+		# Call doQuery() directly, to avoid opening a transaction if DBO_TRX is set
+		$encFile = $this->strencode( $file );
+		$sql = "SELECT MASTER_POS_WAIT('$encFile', $pos, $timeout)";
+		$res = $this->doQuery( $sql );
+		if ( $res && $row = $this->fetchRow( $res ) ) {
+			$this->freeResult( $res );
+			wfProfileOut( $fname );
+			return $row[0];
+		} else {
+			wfProfileOut( $fname );
+			return false;
+		}
+	}
+
+	/**
+	 * Get the position of the master from SHOW SLAVE STATUS
+	 */
+	function getSlavePos() {
+		$res = $this->query( 'SHOW SLAVE STATUS', 'Database::getSlavePos' );
+		$row = $this->fetchObject( $res );
+		if ( $row ) {
+			return array( $row->Master_Log_File, $row->Read_Master_Log_Pos );
+		} else {
+			return array( false, false );
+		}
+	}
+
+	/**
+	 * Get the position of the master from SHOW MASTER STATUS
+	 */
+	function getMasterPos() {
+		$res = $this->query( 'SHOW MASTER STATUS', 'Database::getMasterPos' );
+		$row = $this->fetchObject( $res );
+		if ( $row ) {
+			return array( $row->File, $row->Position );
+		} else {
+			return array( false, false );
+		}
+	}
+
+	/**
+	 * Begin a transaction, committing any previously open transaction
+	 */
+	function begin( $fname = 'Database::begin' ) {
+		$this->query( 'BEGIN', $fname );
+		$this->mTrxLevel = 1;
+	}
+
+	/**
+	 * End a transaction
+	 */
+	function commit( $fname = 'Database::commit' ) {
+		$this->query( 'COMMIT', $fname );
+		$this->mTrxLevel = 0;
+	}
+
+	/**
+	 * Rollback a transaction
+	 */
+	function rollback( $fname = 'Database::rollback' ) {
+		$this->query( 'ROLLBACK', $fname );
+		$this->mTrxLevel = 0;
+	}
+
+	/**
+	 * Begin a transaction, committing any previously open transaction
+	 * @deprecated use begin()
+	 */
+	function immediateBegin( $fname = 'Database::immediateBegin' ) {
+		$this->begin();
+	}
+
+	/**
+	 * Commit transaction, if one is open
+	 * @deprecated use commit()
+	 */
+	function immediateCommit( $fname = 'Database::immediateCommit' ) {
+		$this->commit();
+	}
+
+	/**
+	 * Return MW-style timestamp used for MySQL schema
+	 */
+	function timestamp( $ts=0 ) {
+		return wfTimestamp(TS_MW,$ts);
+	}
+
+	/**
+	 * Local database timestamp format or null
+	 */
+	function timestampOrNull( $ts = null ) {
+		if( is_null( $ts ) ) {
+			return null;
+		} else {
+			return $this->timestamp( $ts );
+		}
+	}
+
+	/**
+	 * @todo document
+	 */
+	function resultObject( $result ) {
+		if( empty( $result ) ) {
+			return NULL;
+		} else {
+			return new ResultWrapper( $this, $result );
+		}
+	}
+
+	/**
+	 * Return aggregated value alias
+	 */
+	function aggregateValue ($valuedata,$valuename='value') {
+		return $valuename;
+	}
+
+	/**
+	 * @return string wikitext of a link to the server software's web site
+	 */
+	function getSoftwareLink() {
+		return "[http://www.mysql.com/ MySQL]";
+	}
+
+	/**
+	 * @return string Version information from the database
+	 */
+	function getServerVersion() {
+		return mysql_get_server_info();
+	}
+
+	/**
+	 * Ping the server and try to reconnect if it there is no connection
+	 */
+	function ping() {
+		if( function_exists( 'mysql_ping' ) ) {
+			return mysql_ping( $this->mConn );
+		} else {
+			wfDebug( "Tried to call mysql_ping but this is ancient PHP version. Faking it!\n" );
+			return true;
+		}
+	}
+
+	/**
+	 * Get slave lag.
+	 * At the moment, this will only work if the DB user has the PROCESS privilege
+	 */
+	function getLag() {
+		$res = $this->query( 'SHOW PROCESSLIST' );
+		# Find slave SQL thread. Assumed to be the second one running, which is a bit
+		# dubious, but unfortunately there's no easy rigorous way
+		$slaveThreads = 0;
+		while ( $row = $this->fetchObject( $res ) ) {
+			/* This should work for most situations - when default db 
+			 * for thread is not specified, it had no events executed, 
+			 * and therefore it doesn't know yet how lagged it is.
+			 *
+			 * Relay log I/O thread does not select databases.
+			 */
+			if ( $row->User == 'system user' && 
+				$row->State != 'Waiting for master to send event' &&
+				$row->State != 'Connecting to master' && 
+				$row->State != 'Queueing master event to the relay log' &&
+				$row->State != 'Waiting for master update' &&
+				$row->State != 'Requesting binlog dump'
+				) {
+				# This is it, return the time (except -ve)
+				if ( $row->Time > 0x7fffffff ) {
+					return false;
+				} else {
+					return $row->Time;
+				}
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Get status information from SHOW STATUS in an associative array
+	 */
+	function getStatus($which="%") {
+		$res = $this->query( "SHOW STATUS LIKE '{$which}'" );
+		$status = array();
+		while ( $row = $this->fetchObject( $res ) ) {
+			$status[$row->Variable_name] = $row->Value;
+		}
+		return $status;
+	}
+
+	/**
+	 * Return the maximum number of items allowed in a list, or 0 for unlimited.
+	 */
+	function maxListLen() {
+		return 0;
+	}
+
+	function encodeBlob($b) {
+		return $b;
+	}
+
+	function decodeBlob($b) {
+		return $b;
+	}
+
+	/**
+	 * Read and execute SQL commands from a file.
+	 * Returns true on success, error string on failure
+	 */
+	function sourceFile( $filename ) {
+		$fp = fopen( $filename, 'r' );
+		if ( false === $fp ) {
+			return "Could not open \"{$fname}\".\n";
+		}
+
+		$cmd = "";
+		$done = false;
+		$dollarquote = false;
+
+		while ( ! feof( $fp ) ) {
+			$line = trim( fgets( $fp, 1024 ) );
+			$sl = strlen( $line ) - 1;
+
+			if ( $sl < 0 ) { continue; }
+			if ( '-' == $line{0} && '-' == $line{1} ) { continue; }
+
+			## Allow dollar quoting for function declarations
+			if (substr($line,0,4) == '$mw$') {
+				if ($dollarquote) {
+					$dollarquote = false;
+					$done = true;
+				}
+				else {
+					$dollarquote = true;
+				}
+			}
+			else if (!$dollarquote) {
+				if ( ';' == $line{$sl} && ($sl < 2 || ';' != $line{$sl - 1})) {
+					$done = true;
+					$line = substr( $line, 0, $sl );
+				}
+			}
+
+			if ( '' != $cmd ) { $cmd .= ' '; }
+			$cmd .= "$line\n";
+
+			if ( $done ) {
+				$cmd = str_replace(';;', ";", $cmd);
+				$cmd = $this->replaceVars( $cmd );
+				$res = $this->query( $cmd, 'dbsource', true );
+
+				if ( false === $res ) {
+					$err = $this->lastError();
+					return "Query \"{$cmd}\" failed with error code \"$err\".\n";
+				}
+
+				$cmd = '';
+				$done = false;
+			}
+		}
+		fclose( $fp );
+		return true;
+	}
+
+	/**
+	 * Replace variables in sourced SQL
+	 */
+	protected function replaceVars( $ins ) {
+		$varnames = array(
+			'wgDBserver', 'wgDBname', 'wgDBintlname', 'wgDBuser',
+			'wgDBpassword', 'wgDBsqluser', 'wgDBsqlpassword',
+			'wgDBadminuser', 'wgDBadminpassword',
+		);
+
+		// Ordinary variables
+		foreach ( $varnames as $var ) {
+			if( isset( $GLOBALS[$var] ) ) {
+				$val = addslashes( $GLOBALS[$var] ); // FIXME: safety check?
+				$ins = str_replace( '{$' . $var . '}', $val, $ins );
+				$ins = str_replace( '/*$' . $var . '*/`', '`' . $val, $ins );
+				$ins = str_replace( '/*$' . $var . '*/', $val, $ins );
+			}
+		}
+
+		// Table prefixes
+		$ins = preg_replace_callback( '/\/\*(?:\$wgDBprefix|_)\*\/([a-z_]*)/',
+			array( &$this, 'tableNameCallback' ), $ins );
+		return $ins;
+	}
+
+	/**
+	 * Table name callback
+	 * @private
+	 */
+	protected function tableNameCallback( $matches ) {
+		return $this->tableName( $matches[1] );
+	}
+
+}
+
+/**
+ * Database abstraction object for mySQL
+ * Inherit all methods and properties of Database::Database()
+ *
+ * @package MediaWiki
+ * @see Database
+ */
+class DatabaseMysql extends Database {
+	# Inherit all
+}
+
+
+/**
+ * Result wrapper for grabbing data queried by someone else
+ *
+ * @package MediaWiki
+ */
+class ResultWrapper {
+	var $db, $result;
+
+	/**
+	 * @todo document
+	 */
+	function ResultWrapper( &$database, $result ) {
+		$this->db =& $database;
+		$this->result =& $result;
+	}
+
+	/**
+	 * @todo document
+	 */
+	function numRows() {
+		return $this->db->numRows( $this->result );
+	}
+
+	/**
+	 * @todo document
+	 */
+	function fetchObject() {
+		return $this->db->fetchObject( $this->result );
+	}
+
+	/**
+	 * @todo document
+	 */
+	function fetchRow() {
+		return $this->db->fetchRow( $this->result );
+	}
+
+	/**
+	 * @todo document
+	 */
+	function free() {
+		$this->db->freeResult( $this->result );
+		unset( $this->result );
+		unset( $this->db );
+	}
+
+	function seek( $row ) {
+		$this->db->dataSeek( $this->result, $row );
+	}
+
+}
+
+?>
diff --git a/includes/DatabaseFunctions.php b/includes/DatabaseFunctions.php
new file mode 100644
index 00000000..74b35a31
--- /dev/null
+++ b/includes/DatabaseFunctions.php
@@ -0,0 +1,414 @@
+<?php
+/**
+ * Backwards compatibility wrapper for Database.php
+ *
+ * Note: $wgDatabase has ceased to exist. Destroy all references.
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Usually aborts on failure
+ * If errors are explicitly ignored, returns success
+ * @param $sql String: SQL query
+ * @param $db Mixed: database handler
+ * @param $fname String: name of the php function calling
+ */
+function wfQuery( $sql, $db, $fname = '' ) {
+	global $wgOut;
+	if ( !is_numeric( $db ) ) {
+		# Someone has tried to call this the old way
+		throw new FatalError( wfMsgNoDB( 'wrong_wfQuery_params', $db, $sql ) );
+	}
+	$c =& wfGetDB( $db );
+	if ( $c !== false ) {
+		return $c->query( $sql, $fname );
+	} else {
+		return false;
+	}
+}
+
+/**
+ *
+ * @param $sql String: SQL query
+ * @param $dbi
+ * @param $fname String: name of the php function calling
+ * @return Array: first row from the database
+ */
+function wfSingleQuery( $sql, $dbi, $fname = '' ) {
+	$db =& wfGetDB( $dbi );
+	$res = $db->query($sql, $fname );
+	$row = $db->fetchRow( $res );
+	$ret = $row[0];
+	$db->freeResult( $res );
+	return $ret;
+}
+
+/*
+ * @todo document function
+ */
+function &wfGetDB( $db = DB_LAST, $groups = array() ) {
+	global $wgLoadBalancer;
+	$ret =& $wgLoadBalancer->getConnection( $db, true, $groups );
+	return $ret;
+}
+
+/**
+ * Turns on (false) or off (true) the automatic generation and sending
+ * of a "we're sorry, but there has been a database error" page on
+ * database errors. Default is on (false). When turned off, the
+ * code should use wfLastErrno() and wfLastError() to handle the
+ * situation as appropriate.
+ *
+ * @param $newstate
+ * @param $dbi
+ * @return Returns the previous state.
+ */
+function wfIgnoreSQLErrors( $newstate, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->ignoreErrors( $newstate );
+	} else {
+		return NULL;
+	}
+}
+
+/**#@+
+ * @param $res Database result handler
+ * @param $dbi
+*/
+
+/**
+ * Free a database result
+ * @return Bool: whether result is sucessful or not.
+ */
+function wfFreeResult( $res, $dbi = DB_LAST )
+{
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		$db->freeResult( $res );
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Get an object from a database result
+ * @return object|false object we requested
+ */
+function wfFetchObject( $res, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->fetchObject( $res, $dbi = DB_LAST );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Get a row from a database result
+ * @return object|false row we requested
+ */
+function wfFetchRow( $res, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->fetchRow ( $res, $dbi = DB_LAST );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Get a number of rows from a database result
+ * @return integer|false number of rows
+ */
+function wfNumRows( $res, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->numRows( $res, $dbi = DB_LAST );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Get the number of fields from a database result
+ * @return integer|false number of fields
+ */
+function wfNumFields( $res, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->numFields( $res );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Return name of a field in a result
+ * @param $res Mixed: Ressource link see Database::fieldName()
+ * @param $n Integer: id of the field
+ * @param $dbi Default DB_LAST
+ * @return string|false name of field
+ */
+function wfFieldName( $res, $n, $dbi = DB_LAST )
+{
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->fieldName( $res, $n, $dbi = DB_LAST );
+	} else {
+		return false;
+	}
+}
+/**#@-*/
+
+/**
+ * @todo document function
+ */
+function wfInsertId( $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->insertId();
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfDataSeek( $res, $row, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->dataSeek( $res, $row );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfLastErrno( $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->lastErrno();
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfLastError( $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->lastError();
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfAffectedRows( $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->affectedRows();
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfLastDBquery( $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->lastQuery();
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @see Database::Set()
+ * @todo document function
+ * @param $table
+ * @param $var
+ * @param $value
+ * @param $cond
+ * @param $dbi Default DB_MASTER
+ */
+function wfSetSQL( $table, $var, $value, $cond, $dbi = DB_MASTER )
+{
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->set( $table, $var, $value, $cond );
+	} else {
+		return false;
+	}
+}
+
+
+/**
+ * @see Database::selectField()
+ * @todo document function
+ * @param $table
+ * @param $var
+ * @param $cond Default ''
+ * @param $dbi Default DB_LAST
+ */
+function wfGetSQL( $table, $var, $cond='', $dbi = DB_LAST )
+{
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->selectField( $table, $var, $cond );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @see Database::fieldExists()
+ * @todo document function
+ * @param $table
+ * @param $field
+ * @param $dbi Default DB_LAST
+ * @return Result of Database::fieldExists() or false.
+ */
+function wfFieldExists( $table, $field, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->fieldExists( $table, $field );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @see Database::indexExists()
+ * @todo document function
+ * @param $table String
+ * @param $index
+ * @param $dbi Default DB_LAST
+ * @return Result of Database::indexExists() or false.
+ */
+function wfIndexExists( $table, $index, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->indexExists( $table, $index );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @see Database::insert()
+ * @todo document function
+ * @param $table String
+ * @param $array Array
+ * @param $fname String, default 'wfInsertArray'.
+ * @param $dbi Default DB_MASTER
+ * @return result of Database::insert() or false.
+ */
+function wfInsertArray( $table, $array, $fname = 'wfInsertArray', $dbi = DB_MASTER ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->insert( $table, $array, $fname );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @see Database::getArray()
+ * @todo document function
+ * @param $table String
+ * @param $vars
+ * @param $conds
+ * @param $fname String, default 'wfGetArray'.
+ * @param $dbi Default DB_LAST
+ * @return result of Database::getArray() or false.
+ */
+function wfGetArray( $table, $vars, $conds, $fname = 'wfGetArray', $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->getArray( $table, $vars, $conds, $fname );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @see Database::update()
+ * @param $table String
+ * @param $values
+ * @param $conds
+ * @param $fname String, default 'wfUpdateArray'
+ * @param $dbi Default DB_MASTER
+ * @return Result of Database::update()) or false;
+ * @todo document function
+ */
+function wfUpdateArray( $table, $values, $conds, $fname = 'wfUpdateArray', $dbi = DB_MASTER ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		$db->update( $table, $values, $conds, $fname );
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfTableName( $name, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->tableName( $name );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfStrencode( $s, $dbi = DB_LAST ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->strencode( $s );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfNextSequenceValue( $seqName, $dbi = DB_MASTER ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->nextSequenceValue( $seqName );
+	} else {
+		return false;
+	}
+}
+
+/**
+ * @todo document function
+ */
+function wfUseIndexClause( $index, $dbi = DB_SLAVE ) {
+	$db =& wfGetDB( $dbi );
+	if ( $db !== false ) {
+		return $db->useIndexClause( $index );
+	} else {
+		return false;
+	}
+}
+?>
diff --git a/includes/DatabaseMysql.php b/includes/DatabaseMysql.php
new file mode 100644
index 00000000..79e917b3
--- /dev/null
+++ b/includes/DatabaseMysql.php
@@ -0,0 +1,6 @@
+<?php
+/*
+ * Stub database class for MySQL.
+ */
+require_once('Database.php');
+?>
diff --git a/includes/DatabaseOracle.php b/includes/DatabaseOracle.php
new file mode 100644
index 00000000..d5d7379d
--- /dev/null
+++ b/includes/DatabaseOracle.php
@@ -0,0 +1,692 @@
+<?php
+
+/**
+ * Oracle.
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Depends on database
+ */
+require_once( 'Database.php' );
+
+class OracleBlob extends DBObject {
+	function isLOB() {
+		return true;
+	}
+	function data() {
+		return $this->mData;
+	}
+};
+
+/**
+ *
+ * @package MediaWiki
+ */
+class DatabaseOracle extends Database {
+	var $mInsertId = NULL;
+	var $mLastResult = NULL;
+	var $mFetchCache = array();
+	var $mFetchID = array();
+	var $mNcols = array();
+	var $mFieldNames = array(), $mFieldTypes = array();
+	var $mAffectedRows = array();
+	var $mErr;
+
+	function DatabaseOracle($server = false, $user = false, $password = false, $dbName = false,
+		$failFunction = false, $flags = 0, $tablePrefix = 'get from global' )
+	{
+		Database::Database( $server, $user, $password, $dbName, $failFunction, $flags, $tablePrefix );
+	}
+
+	/* static */ function newFromParams( $server = false, $user = false, $password = false, $dbName = false,
+		$failFunction = false, $flags = 0, $tablePrefix = 'get from global' )
+	{
+		return new DatabaseOracle( $server, $user, $password, $dbName, $failFunction, $flags, $tablePrefix );
+	}
+
+	/**
+	 * Usually aborts on failure
+	 * If the failFunction is set to a non-zero integer, returns success
+	 */
+	function open( $server, $user, $password, $dbName ) {
+		if ( !function_exists( 'oci_connect' ) ) {
+			throw new DBConnectionError( $this, "Oracle functions missing, have you compiled PHP with the --with-oci8 option?\n" );
+		}
+		$this->close();
+		$this->mServer = $server;
+		$this->mUser = $user;
+		$this->mPassword = $password;
+		$this->mDBname = $dbName;
+
+		$success = false;
+
+		$hstring="";
+		$this->mConn = oci_new_connect($user, $password, $dbName, "AL32UTF8");
+		if ( $this->mConn === false ) {
+			wfDebug( "DB connection error\n" );
+			wfDebug( "Server: $server, Database: $dbName, User: $user, Password: "
+				. substr( $password, 0, 3 ) . "...\n" );
+			wfDebug( $this->lastError()."\n" );
+		} else {
+			$this->mOpened = true;
+		}
+		return $this->mConn;
+	}
+
+	/**
+	 * Closes a database connection, if it is open
+	 * Returns success, true if already closed
+	 */
+	function close() {
+		$this->mOpened = false;
+		if ($this->mConn) {
+			return oci_close($this->mConn);
+		} else {
+			return true;
+		}
+	}
+
+	function parseStatement($sql) {
+		$this->mErr = $this->mLastResult = false;
+		if (($stmt = oci_parse($this->mConn, $sql)) === false) {
+			$this->lastError();
+			return $this->mLastResult = false;
+		}
+		$this->mAffectedRows[$stmt] = 0;
+		return $this->mLastResult = $stmt;
+	}
+
+	function doQuery($sql) {
+		if (($stmt = $this->parseStatement($sql)) === false)
+			return false;
+		return $this->executeStatement($stmt);
+	}
+
+	function executeStatement($stmt) {
+		if (!oci_execute($stmt, OCI_DEFAULT)) {
+			$this->lastError();
+			oci_free_statement($stmt);
+			return false;
+		}
+		$this->mAffectedRows[$stmt] = oci_num_rows($stmt);
+		$this->mFetchCache[$stmt] = array();
+		$this->mFetchID[$stmt] = 0;
+		$this->mNcols[$stmt] = oci_num_fields($stmt);
+		if ($this->mNcols[$stmt] == 0)
+			return $this->mLastResult;
+		for ($i = 1; $i <= $this->mNcols[$stmt]; $i++) {
+			$this->mFieldNames[$stmt][$i] = oci_field_name($stmt, $i);
+			$this->mFieldTypes[$stmt][$i] = oci_field_type($stmt, $i);
+		}
+		while (($o = oci_fetch_array($stmt)) !== false) {
+			foreach ($o as $key => $value) {
+				if (is_object($value)) {
+					$o[$key] = $value->load();
+				}
+			}
+			$this->mFetchCache[$stmt][] = $o;
+		}
+		return $this->mLastResult;
+	}
+
+	function queryIgnore( $sql, $fname = '' ) {
+		return $this->query( $sql, $fname, true );
+	}
+
+	function freeResult( $res ) {
+		if (!oci_free_statement($res)) {
+			throw new DBUnexpectedError( $this, "Unable to free Oracle result\n" );
+		}
+		unset($this->mFetchID[$res]);
+		unset($this->mFetchCache[$res]);
+		unset($this->mNcols[$res]);
+		unset($this->mFieldNames[$res]);
+		unset($this->mFieldTypes[$res]);
+	}
+
+	function fetchAssoc($res) {
+		if ($this->mFetchID[$res] >= count($this->mFetchCache[$res]))
+			return false;
+
+		for ($i = 1; $i <= $this->mNcols[$res]; $i++) {
+			$name = $this->mFieldNames[$res][$i];
+			$type = $this->mFieldTypes[$res][$i];
+			if (isset($this->mFetchCache[$res][$this->mFetchID[$res]][$name]))
+				$value = $this->mFetchCache[$res][$this->mFetchID[$res]][$name];
+			else	$value = NULL;
+			$key = strtolower($name);
+			wfdebug("'$key' => '$value'\n");
+			$ret[$key] = $value;
+		}
+		$this->mFetchID[$res]++;
+		return $ret;
+	}
+
+	function fetchRow($res) {
+		$r = $this->fetchAssoc($res);
+		if (!$r)
+			return false;
+		$i = 0;
+		$ret = array();
+		foreach ($r as $key => $value) {
+			wfdebug("ret[$i]=[$value]\n");
+			$ret[$i++] = $value;
+		}
+		return $ret;
+	}
+
+	function fetchObject($res) {
+		$row = $this->fetchAssoc($res);
+		if (!$row)
+			return false;
+		$ret = new stdClass;
+		foreach ($row as $key => $value)
+			$ret->$key = $value;
+		return $ret;
+	}
+
+	function numRows($res) {
+		return count($this->mFetchCache[$res]);
+	}
+	function numFields( $res ) { return pg_num_fields( $res ); }
+	function fieldName( $res, $n ) { return pg_field_name( $res, $n ); }
+
+	/**
+	 * This must be called after nextSequenceVal
+	 */
+	function insertId() {
+		return $this->mInsertId;
+	}
+
+	function dataSeek($res, $row) {
+		$this->mFetchID[$res] = $row;
+	}
+
+	function lastError() {
+		if ($this->mErr === false) {
+			if ($this->mLastResult !== false) $what = $this->mLastResult;
+			else if ($this->mConn !== false) $what = $this->mConn;
+			else $what = false;
+			$err = ($what !== false) ? oci_error($what) : oci_error();
+			if ($err === false)
+				$this->mErr = 'no error';
+			else
+				$this->mErr = $err['message'];
+		}
+		return str_replace("\n", '<br />', $this->mErr);
+	}
+	function lastErrno() {
+		return 0;
+	}
+
+	function affectedRows() {
+		return $this->mAffectedRows[$this->mLastResult];
+	}
+
+	/**
+	 * Returns information about an index
+	 * If errors are explicitly ignored, returns NULL on failure
+	 */
+	function indexInfo ($table, $index, $fname = 'Database::indexInfo' ) {
+		$table = $this->tableName($table, true);
+		if ($index == 'PRIMARY')
+			$index = "${table}_pk";
+		$sql = "SELECT uniqueness FROM all_indexes WHERE table_name='" .
+			$table . "' AND index_name='" .
+			$this->strencode(strtoupper($index)) . "'";
+		$res = $this->query($sql, $fname);
+		if (!$res)
+			return NULL;
+		if (($row = $this->fetchObject($res)) == NULL)
+			return false;
+		$this->freeResult($res);
+		$row->Non_unique = !$row->uniqueness;
+		return $row;
+	}
+
+	function indexUnique ($table, $index, $fname = 'indexUnique') {
+		if (!($i = $this->indexInfo($table, $index, $fname)))
+			return $i;
+		return $i->uniqueness == 'UNIQUE';
+	}
+
+	function fieldInfo( $table, $field ) {
+		$o = new stdClass;
+		$o->multiple_key = true; /* XXX */
+		return $o;
+	}
+
+	function getColumnInformation($table, $field) {
+		$table = $this->tableName($table, true);
+		$field = strtoupper($field);
+
+		$res = $this->doQuery("SELECT * FROM all_tab_columns " .
+			"WHERE table_name='".$table."' " .
+			"AND   column_name='".$field."'");
+		if (!$res)
+			return false;
+		$o = $this->fetchObject($res);
+		$this->freeResult($res);
+		return $o;
+	}
+
+	function fieldExists( $table, $field, $fname = 'Database::fieldExists' ) {
+		$column = $this->getColumnInformation($table, $field);
+		if (!$column)
+			return false;
+		return true;
+	}
+
+	function tableName($name, $forddl = false) {
+		# First run any transformations from the parent object
+		$name = parent::tableName( $name );
+
+		# Replace backticks into empty
+		# Note: "foo" and foo are not the same in Oracle!
+		$name = str_replace('`', '', $name);
+
+		# Now quote Oracle reserved keywords
+		switch( $name ) {
+			case 'user':
+			case 'group':
+			case 'validate':
+				if ($forddl)
+					return $name;
+				else
+					return '"' . $name . '"';
+
+			default:
+				return strtoupper($name);
+		}
+	}
+
+	function strencode( $s ) {
+		return str_replace("'", "''", $s);
+	}
+
+	/**
+	 * Return the next in a sequence, save the value for retrieval via insertId()
+	 */
+	function nextSequenceValue( $seqName ) {
+		$r = $this->doQuery("SELECT $seqName.nextval AS val FROM dual");
+		$o = $this->fetchObject($r);
+		$this->freeResult($r);
+		return $this->mInsertId = (int)$o->val;
+	}
+
+	/**
+	 * USE INDEX clause
+	 * PostgreSQL doesn't have them and returns ""
+	 */
+	function useIndexClause( $index ) {
+		return '';
+	}
+
+	# REPLACE query wrapper
+	# PostgreSQL simulates this with a DELETE followed by INSERT
+	# $row is the row to insert, an associative array
+	# $uniqueIndexes is an array of indexes. Each element may be either a
+	# field name or an array of field names
+	#
+	# It may be more efficient to leave off unique indexes which are unlikely to collide.
+	# However if you do this, you run the risk of encountering errors which wouldn't have
+	# occurred in MySQL
+	function replace( $table, $uniqueIndexes, $rows, $fname = 'Database::replace' ) {
+		$table = $this->tableName( $table );
+
+		if (count($rows)==0) {
+			return;
+		}
+
+		# Single row case
+		if ( !is_array( reset( $rows ) ) ) {
+			$rows = array( $rows );
+		}
+
+		foreach( $rows as $row ) {
+			# Delete rows which collide
+			if ( $uniqueIndexes ) {
+				$sql = "DELETE FROM $table WHERE ";
+				$first = true;
+				foreach ( $uniqueIndexes as $index ) {
+					if ( $first ) {
+						$first = false;
+						$sql .= "(";
+					} else {
+						$sql .= ') OR (';
+					}
+					if ( is_array( $index ) ) {
+						$first2 = true;
+						foreach ( $index as $col ) {
+							if ( $first2 ) {
+								$first2 = false;
+							} else {
+								$sql .= ' AND ';
+							}
+							$sql .= $col.'=' . $this->addQuotes( $row[$col] );
+						}
+					} else {
+						$sql .= $index.'=' . $this->addQuotes( $row[$index] );
+					}
+				}
+				$sql .= ')';
+				$this->query( $sql, $fname );
+			}
+
+			# Now insert the row
+			$sql = "INSERT INTO $table (" . $this->makeList( array_keys( $row ), LIST_NAMES ) .') VALUES (' .
+				$this->makeList( $row, LIST_COMMA ) . ')';
+			$this->query( $sql, $fname );
+		}
+	}
+
+	# DELETE where the condition is a join
+	function deleteJoin( $delTable, $joinTable, $delVar, $joinVar, $conds, $fname = "Database::deleteJoin" ) {
+		if ( !$conds ) {
+			throw new DBUnexpectedError( $this, 'Database::deleteJoin() called with empty $conds' );
+		}
+
+		$delTable = $this->tableName( $delTable );
+		$joinTable = $this->tableName( $joinTable );
+		$sql = "DELETE FROM $delTable WHERE $delVar IN (SELECT $joinVar FROM $joinTable ";
+		if ( $conds != '*' ) {
+			$sql .= 'WHERE ' . $this->makeList( $conds, LIST_AND );
+		}
+		$sql .= ')';
+
+		$this->query( $sql, $fname );
+	}
+
+	# Returns the size of a text field, or -1 for "unlimited"
+	function textFieldSize( $table, $field ) {
+		$table = $this->tableName( $table );
+		$sql = "SELECT t.typname as ftype,a.atttypmod as size
+			FROM pg_class c, pg_attribute a, pg_type t
+			WHERE relname='$table' AND a.attrelid=c.oid AND
+				a.atttypid=t.oid and a.attname='$field'";
+		$res =$this->query($sql);
+		$row=$this->fetchObject($res);
+		if ($row->ftype=="varchar") {
+			$size=$row->size-4;
+		} else {
+			$size=$row->size;
+		}
+		$this->freeResult( $res );
+		return $size;
+	}
+
+	function lowPriorityOption() {
+		return '';
+	}
+
+	function limitResult($sql, $limit, $offset) {
+		$ret = "SELECT * FROM ($sql) WHERE ROWNUM < " . ((int)$limit + (int)($offset+1));
+		if (is_numeric($offset))
+			$ret .= " AND ROWNUM >= " . (int)$offset;
+		return $ret;
+	}
+	function limitResultForUpdate($sql, $limit) {
+		return $sql;
+	}
+	/**
+	 * Returns an SQL expression for a simple conditional.
+	 * Uses CASE on PostgreSQL.
+	 *
+	 * @param string $cond SQL expression which will result in a boolean value
+	 * @param string $trueVal SQL expression to return if true
+	 * @param string $falseVal SQL expression to return if false
+	 * @return string SQL fragment
+	 */
+	function conditional( $cond, $trueVal, $falseVal ) {
+		return " (CASE WHEN $cond THEN $trueVal ELSE $falseVal END) ";
+	}
+
+	# FIXME: actually detecting deadlocks might be nice
+	function wasDeadlock() {
+		return false;
+	}
+
+	# Return DB-style timestamp used for MySQL schema
+	function timestamp($ts = 0) {
+		return $this->strencode(wfTimestamp(TS_ORACLE, $ts));
+#		return "TO_TIMESTAMP('" . $this->strencode(wfTimestamp(TS_DB, $ts)) . "', 'RRRR-MM-DD HH24:MI:SS')";
+	}
+
+	/**
+	 * Return aggregated value function call
+	 */
+	function aggregateValue ($valuedata,$valuename='value') {
+		return $valuedata;
+	}
+
+
+	function reportQueryError( $error, $errno, $sql, $fname, $tempIgnore = false ) {
+		$message = "A database error has occurred\n" .
+			"Query: $sql\n" .
+			"Function: $fname\n" .
+			"Error: $errno $error\n";
+		throw new DBUnexpectedError($this, $message);
+	}
+
+	/**
+	 * @return string wikitext of a link to the server software's web site
+	 */
+	function getSoftwareLink() {
+		return "[http://www.oracle.com/ Oracle]";
+	}
+
+	/**
+	 * @return string Version information from the database
+	 */
+	function getServerVersion() {
+		return oci_server_version($this->mConn);
+	}
+
+	function setSchema($schema=false) {
+		$schemas=$this->mSchemas;
+		if ($schema) { array_unshift($schemas,$schema); }
+		$searchpath=$this->makeList($schemas,LIST_NAMES);
+		$this->query("SET search_path = $searchpath");
+	}
+
+	function begin() {
+	}
+
+	function immediateCommit( $fname = 'Database::immediateCommit' ) {
+		oci_commit($this->mConn);
+		$this->mTrxLevel = 0;
+	}
+	function rollback( $fname = 'Database::rollback' ) {
+		oci_rollback($this->mConn);
+		$this->mTrxLevel = 0;
+	}
+	function getLag() {
+		return false;
+	}
+	function getStatus($which=null) {
+		$result = array('Threads_running' => 0, 'Threads_connected' => 0);
+		return $result;
+	}
+
+	/**
+	 * Returns an optional USE INDEX clause to go after the table, and a
+	 * string to go at the end of the query
+	 *
+	 * @access private
+	 *
+	 * @param array $options an associative array of options to be turned into
+	 *              an SQL query, valid keys are listed in the function.
+	 * @return array
+	 */
+	function makeSelectOptions($options) {
+		$tailOpts = '';
+
+		if (isset( $options['ORDER BY'])) {
+			$tailOpts .= " ORDER BY {$options['ORDER BY']}";
+		}
+
+		return array('', $tailOpts);
+	}
+
+	function maxListLen() {
+		return 1000;
+	}
+
+	/**
+	 * Query whether a given table exists
+	 */
+	function tableExists( $table ) {
+		$table = $this->tableName($table, true);
+		$res = $this->query( "SELECT COUNT(*) as NUM FROM user_tables WHERE table_name='"
+			. $table . "'" );
+		if (!$res)
+			return false;
+		$row = $this->fetchObject($res);
+		$this->freeResult($res);
+		return $row->num >= 1;
+	}
+
+	/**
+	 * UPDATE wrapper, takes a condition array and a SET array
+	 */
+	function update( $table, $values, $conds, $fname = 'Database::update' ) {
+		$table = $this->tableName( $table );
+
+		$sql = "UPDATE $table SET ";
+		$first = true;
+		foreach ($values as $field => $v) {
+			if ($first)
+				$first = false;
+			else
+				$sql .= ", ";
+			$sql .= "$field = :n$field ";
+		}
+		if ( $conds != '*' ) {
+			$sql .= " WHERE " . $this->makeList( $conds, LIST_AND );
+		}
+		$stmt = $this->parseStatement($sql);
+		if ($stmt === false) {
+			$this->reportQueryError( $this->lastError(), $this->lastErrno(), $stmt );
+			return false;
+		}
+		if ($this->debug())
+			wfDebug("SQL: $sql\n");
+		$s = '';
+		foreach ($values as $field => $v) {
+			oci_bind_by_name($stmt, ":n$field", $values[$field]);
+			if ($this->debug())
+				$s .= " [$field] = [$v]\n";
+		}
+		if ($this->debug())
+			wfdebug(" PH: $s\n");
+		$ret = $this->executeStatement($stmt);
+		return $ret;
+	}
+
+	/**
+	 * INSERT wrapper, inserts an array into a table
+	 *
+	 * $a may be a single associative array, or an array of these with numeric keys, for
+	 * multi-row insert.
+	 *
+	 * Usually aborts on failure
+	 * If errors are explicitly ignored, returns success
+	 */
+	function insert( $table, $a, $fname = 'Database::insert', $options = array() ) {
+		# No rows to insert, easy just return now
+		if ( !count( $a ) ) {
+			return true;
+		}
+
+		$table = $this->tableName( $table );
+		if (!is_array($options))
+			$options = array($options);
+
+		$oldIgnore = false;
+		if (in_array('IGNORE', $options))
+			$oldIgnore = $this->ignoreErrors( true );
+
+		if ( isset( $a[0] ) && is_array( $a[0] ) ) {
+			$multi = true;
+			$keys = array_keys( $a[0] );
+		} else {
+			$multi = false;
+			$keys = array_keys( $a );
+		}
+
+		$sql = "INSERT INTO $table (" . implode( ',', $keys ) . ') VALUES (';
+		$return = '';
+		$first = true;
+		foreach ($a as $key => $value) {
+			if ($first)
+				$first = false;
+			else
+				$sql .= ", ";
+			if (is_object($value) && $value->isLOB()) {
+				$sql .= "EMPTY_BLOB()";
+				$return = "RETURNING $key INTO :bobj";
+			} else
+				$sql .= ":$key";
+		}
+		$sql .= ") $return";
+
+		if ($this->debug()) {
+			wfDebug("SQL: $sql\n");
+		}
+
+		if (($stmt = $this->parseStatement($sql)) === false) {
+			$this->reportQueryError($this->lastError(), $this->lastErrno(), $sql, $fname);
+			$this->ignoreErrors($oldIgnore);
+			return false;
+		}
+
+		/*
+		 * If we're inserting multiple rows, parse the statement once and
+		 * execute it for each set of values.  Otherwise, convert it into an
+		 * array and pretend.
+		 */
+		if (!$multi)
+			$a = array($a);
+
+		foreach ($a as $key => $row) {
+			$blob = false;
+			$bdata = false;
+			$s = '';
+			foreach ($row as $k => $value) {
+				if (is_object($value) && $value->isLOB()) {
+					$blob = oci_new_descriptor($this->mConn, OCI_D_LOB);
+					$bdata = $value->data();
+					oci_bind_by_name($stmt, ":bobj", $blob, -1, OCI_B_BLOB);
+				} else
+					oci_bind_by_name($stmt, ":$k", $a[$key][$k], -1);
+				if ($this->debug())
+					$s .= " [$k] = {$row[$k]}";
+			}
+			if ($this->debug())
+				wfDebug(" PH: $s\n");
+			if (($s = $this->executeStatement($stmt)) === false) {
+				$this->reportQueryError($this->lastError(), $this->lastErrno(), $sql, $fname);
+				$this->ignoreErrors($oldIgnore);
+				return false;
+			}
+
+			if ($blob) {
+				$blob->save($bdata);
+			}
+		}
+		$this->ignoreErrors($oldIgnore);
+		return $this->mLastResult = $s;
+	}
+
+	function ping() {
+		return true;
+	}
+
+	function encodeBlob($b) {
+		return new OracleBlob($b);
+	}
+}
+
+?>
diff --git a/includes/DatabasePostgres.php b/includes/DatabasePostgres.php
new file mode 100644
index 00000000..5897386f
--- /dev/null
+++ b/includes/DatabasePostgres.php
@@ -0,0 +1,609 @@
+<?php
+
+/**
+ * This is PostgreSQL database abstraction layer.
+ *
+ * As it includes more generic version for DB functions,
+ * than MySQL ones, some of them should be moved to parent
+ * Database class.
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Depends on database
+ */
+require_once( 'Database.php' );
+
+class DatabasePostgres extends Database {
+	var $mInsertId = NULL;
+	var $mLastResult = NULL;
+
+	function DatabasePostgres($server = false, $user = false, $password = false, $dbName = false,
+		$failFunction = false, $flags = 0 )
+	{
+
+		global $wgOut, $wgDBprefix, $wgCommandLineMode;
+		# Can't get a reference if it hasn't been set yet
+		if ( !isset( $wgOut ) ) {
+			$wgOut = NULL;
+		}
+		$this->mOut =& $wgOut;
+		$this->mFailFunction = $failFunction;
+		$this->mFlags = $flags;
+
+		$this->open( $server, $user, $password, $dbName);
+
+	}
+
+	static function newFromParams( $server = false, $user = false, $password = false, $dbName = false,
+		$failFunction = false, $flags = 0)
+	{
+		return new DatabasePostgres( $server, $user, $password, $dbName, $failFunction, $flags );
+	}
+
+	/**
+	 * Usually aborts on failure
+	 * If the failFunction is set to a non-zero integer, returns success
+	 */
+	function open( $server, $user, $password, $dbName ) {
+		# Test for PostgreSQL support, to avoid suppressed fatal error
+		if ( !function_exists( 'pg_connect' ) ) {
+			throw new DBConnectionError( $this, "PostgreSQL functions missing, have you compiled PHP with the --with-pgsql option?\n" );
+		}
+
+		global $wgDBport;
+
+		$this->close();
+		$this->mServer = $server;
+		$port = $wgDBport;
+		$this->mUser = $user;
+		$this->mPassword = $password;
+		$this->mDBname = $dbName;
+
+		$success = false;
+
+		$hstring="";
+		if ($server!=false && $server!="") {
+			$hstring="host=$server ";
+		}
+		if ($port!=false && $port!="") {
+			$hstring .= "port=$port ";
+		}
+
+		error_reporting( E_ALL );
+
+		@$this->mConn = pg_connect("$hstring dbname=$dbName user=$user password=$password");
+
+		if ( $this->mConn == false ) {
+			wfDebug( "DB connection error\n" );
+			wfDebug( "Server: $server, Database: $dbName, User: $user, Password: " . substr( $password, 0, 3 ) . "...\n" );
+			wfDebug( $this->lastError()."\n" );
+			return false;
+		}
+
+		$this->mOpened = true;
+		## If this is the initial connection, setup the schema stuff
+		if (defined('MEDIAWIKI_INSTALL') and !defined('POSTGRES_SEARCHPATH')) {
+			global $wgDBmwschema, $wgDBts2schema, $wgDBname;
+
+			## Do we have the basic tsearch2 table?
+			print "<li>Checking for tsearch2 ...";
+			if (! $this->tableExists("pg_ts_dict", $wgDBts2schema)) {
+				print "<b>FAILED</b>. Make sure tsearch2 is installed. See <a href=";
+				print "'http://www.devx.com/opensource/Article/21674/0/page/2'>this article</a>";
+				print " for instructions.</li>\n";
+				dieout("</ul>");
+			}				
+			print "OK</li>\n";
+
+			## Do we have plpgsql installed?
+			print "<li>Checking for plpgsql ...";
+			$SQL = "SELECT 1 FROM pg_catalog.pg_language WHERE lanname = 'plpgsql'";
+			$res = $this->doQuery($SQL);
+			$rows = $this->numRows($this->doQuery($SQL));
+			if ($rows < 1) {
+				print "<b>FAILED</b>. Make sure the language plpgsql is installed for the database <tt>$wgDBname</tt>t</li>";
+				## XXX Better help
+				dieout("</ul>");
+			}
+			print "OK</li>\n";
+
+			## Does the schema already exist? Who owns it?
+			$result = $this->schemaExists($wgDBmwschema);
+			if (!$result) {
+				print "<li>Creating schema <b>$wgDBmwschema</b> ...";
+				$result = $this->doQuery("CREATE SCHEMA $wgDBmwschema");
+				if (!$result) {
+					print "FAILED.</li>\n";
+					return false;
+				}
+				print "ok</li>\n";
+			}
+			else if ($result != $user) {
+				print "<li>Schema <b>$wgDBmwschema</b> exists but is not owned by <b>$user</b>. Not ideal.</li>\n";
+			}
+			else {
+				print "<li>Schema <b>$wgDBmwschema</b> exists and is owned by <b>$user ($result)</b>. Excellent.</li>\n";
+			}
+
+			## Fix up the search paths if needed
+			print "<li>Setting the search path for user <b>$user</b> ...";
+			$path = "$wgDBmwschema";
+			if ($wgDBts2schema !== $wgDBmwschema)
+				$path .= ", $wgDBts2schema";
+			if ($wgDBmwschema !== 'public' and $wgDBts2schema !== 'public')
+				$path .= ", public";
+			$SQL = "ALTER USER $user SET search_path = $path";
+			$result = pg_query($this->mConn, $SQL);
+			if (!$result) {
+				print "FAILED.</li>\n";
+				return false;
+			}
+			print "ok</li>\n";
+			## Set for the rest of this session
+			$SQL = "SET search_path = $path";
+			$result = pg_query($this->mConn, $SQL);
+			if (!$result) {
+				print "<li>Failed to set search_path</li>\n";
+				return false;
+			}
+			define( "POSTGRES_SEARCHPATH", $path );
+		}
+
+		return $this->mConn;
+	}
+
+	/**
+	 * Closes a database connection, if it is open
+	 * Returns success, true if already closed
+	 */
+	function close() {
+		$this->mOpened = false;
+		if ( $this->mConn ) {
+			return pg_close( $this->mConn );
+		} else {
+			return true;
+		}
+	}
+
+	function doQuery( $sql ) {
+		return $this->mLastResult=pg_query( $this->mConn , $sql);
+	}
+
+	function queryIgnore( $sql, $fname = '' ) {
+		return $this->query( $sql, $fname, true );
+	}
+
+	function freeResult( $res ) {
+		if ( !@pg_free_result( $res ) ) {
+			throw new DBUnexpectedError($this,  "Unable to free PostgreSQL result\n" );
+		}
+	}
+
+	function fetchObject( $res ) {
+		@$row = pg_fetch_object( $res );
+		# FIXME: HACK HACK HACK HACK debug
+
+		# TODO:
+		# hashar : not sure if the following test really trigger if the object
+		#          fetching failled.
+		if( pg_last_error($this->mConn) ) {
+			throw new DBUnexpectedError($this,  'SQL error: ' . htmlspecialchars( pg_last_error($this->mConn) ) );
+		}
+		return $row;
+	}
+
+	function fetchRow( $res ) {
+		@$row = pg_fetch_array( $res );
+		if( pg_last_error($this->mConn) ) {
+			throw new DBUnexpectedError($this,  'SQL error: ' . htmlspecialchars( pg_last_error($this->mConn) ) );
+		}
+		return $row;
+	}
+
+	function numRows( $res ) {
+		@$n = pg_num_rows( $res );
+		if( pg_last_error($this->mConn) ) {
+			throw new DBUnexpectedError($this,  'SQL error: ' . htmlspecialchars( pg_last_error($this->mConn) ) );
+		}
+		return $n;
+	}
+	function numFields( $res ) { return pg_num_fields( $res ); }
+	function fieldName( $res, $n ) { return pg_field_name( $res, $n ); }
+
+	/**
+	 * This must be called after nextSequenceVal
+	 */
+	function insertId() {
+		return $this->mInsertId;
+	}
+
+	function dataSeek( $res, $row ) { return pg_result_seek( $res, $row ); }
+	function lastError() {
+		if ( $this->mConn ) {
+			return pg_last_error();
+		}
+		else {
+			return "No database connection";
+		}
+	}
+	function lastErrno() { return 1; }
+
+	function affectedRows() {
+		return pg_affected_rows( $this->mLastResult );
+	}
+
+	/**
+	 * Returns information about an index
+	 * If errors are explicitly ignored, returns NULL on failure
+	 */
+	function indexInfo( $table, $index, $fname = 'Database::indexExists' ) {
+		$sql = "SELECT indexname FROM pg_indexes WHERE tablename='$table'";
+		$res = $this->query( $sql, $fname );
+		if ( !$res ) {
+			return NULL;
+		}
+
+		while ( $row = $this->fetchObject( $res ) ) {
+			if ( $row->indexname == $index ) {
+				return $row;
+			}
+		}
+		return false;
+	}
+
+	function indexUnique ($table, $index, $fname = 'Database::indexUnique' ) {
+		$sql = "SELECT indexname FROM pg_indexes WHERE tablename='{$table}'".
+			" AND indexdef LIKE 'CREATE UNIQUE%({$index})'";
+		$res = $this->query( $sql, $fname );
+		if ( !$res )
+			return NULL;
+		while ($row = $this->fetchObject( $res ))
+			return true;
+		return false;
+
+	}
+
+	function insert( $table, $a, $fname = 'Database::insert', $options = array() ) {
+		# PostgreSQL doesn't support options
+		# We have a go at faking one of them
+		# TODO: DELAYED, LOW_PRIORITY
+
+		if ( !is_array($options))
+			$options = array($options);
+
+		if ( in_array( 'IGNORE', $options ) )
+			$oldIgnore = $this->ignoreErrors( true );
+
+		# IGNORE is performed using single-row inserts, ignoring errors in each
+		# FIXME: need some way to distiguish between key collision and other types of error
+		$oldIgnore = $this->ignoreErrors( true );
+		if ( !is_array( reset( $a ) ) ) {
+			$a = array( $a );
+		}
+		foreach ( $a as $row ) {
+			parent::insert( $table, $row, $fname, array() );
+		}
+		$this->ignoreErrors( $oldIgnore );
+		$retVal = true;
+
+		if ( in_array( 'IGNORE', $options ) )
+			$this->ignoreErrors( $oldIgnore );
+
+		return $retVal;
+	}
+
+	function tableName( $name ) {
+		# Replace backticks into double quotes
+		$name = strtr($name,'`','"');
+
+		# Now quote PG reserved keywords
+		switch( $name ) {
+			case 'user':
+			case 'old':
+			case 'group':
+				return '"' . $name . '"';
+
+			default:
+				return $name;
+		}
+	}
+
+	/**
+	 * Return the next in a sequence, save the value for retrieval via insertId()
+	 */
+	function nextSequenceValue( $seqName ) {
+		$safeseq = preg_replace( "/'/", "''", $seqName );
+		$res = $this->query( "SELECT nextval('$safeseq')" );
+		$row = $this->fetchRow( $res );
+		$this->mInsertId = $row[0];
+		$this->freeResult( $res );
+		return $this->mInsertId;
+	}
+
+	/**
+	 * USE INDEX clause
+	 * PostgreSQL doesn't have them and returns ""
+	 */
+	function useIndexClause( $index ) {
+		return '';
+	}
+
+	# REPLACE query wrapper
+	# PostgreSQL simulates this with a DELETE followed by INSERT
+	# $row is the row to insert, an associative array
+	# $uniqueIndexes is an array of indexes. Each element may be either a
+	# field name or an array of field names
+	#
+	# It may be more efficient to leave off unique indexes which are unlikely to collide.
+	# However if you do this, you run the risk of encountering errors which wouldn't have
+	# occurred in MySQL
+	function replace( $table, $uniqueIndexes, $rows, $fname = 'Database::replace' ) {
+		$table = $this->tableName( $table );
+
+		if (count($rows)==0) {
+			return;
+		}
+
+		# Single row case
+		if ( !is_array( reset( $rows ) ) ) {
+			$rows = array( $rows );
+		}
+
+		foreach( $rows as $row ) {
+			# Delete rows which collide
+			if ( $uniqueIndexes ) {
+				$sql = "DELETE FROM $table WHERE ";
+				$first = true;
+				foreach ( $uniqueIndexes as $index ) {
+					if ( $first ) {
+						$first = false;
+						$sql .= "(";
+					} else {
+						$sql .= ') OR (';
+					}
+					if ( is_array( $index ) ) {
+						$first2 = true;
+						foreach ( $index as $col ) {
+							if ( $first2 ) {
+								$first2 = false;
+							} else {
+								$sql .= ' AND ';
+							}
+							$sql .= $col.'=' . $this->addQuotes( $row[$col] );
+						}
+					} else {
+						$sql .= $index.'=' . $this->addQuotes( $row[$index] );
+					}
+				}
+				$sql .= ')';
+				$this->query( $sql, $fname );
+			}
+
+			# Now insert the row
+			$sql = "INSERT INTO $table (" . $this->makeList( array_keys( $row ), LIST_NAMES ) .') VALUES (' .
+				$this->makeList( $row, LIST_COMMA ) . ')';
+			$this->query( $sql, $fname );
+		}
+	}
+
+	# DELETE where the condition is a join
+	function deleteJoin( $delTable, $joinTable, $delVar, $joinVar, $conds, $fname = "Database::deleteJoin" ) {
+		if ( !$conds ) {
+			throw new DBUnexpectedError($this,  'Database::deleteJoin() called with empty $conds' );
+		}
+
+		$delTable = $this->tableName( $delTable );
+		$joinTable = $this->tableName( $joinTable );
+		$sql = "DELETE FROM $delTable WHERE $delVar IN (SELECT $joinVar FROM $joinTable ";
+		if ( $conds != '*' ) {
+			$sql .= 'WHERE ' . $this->makeList( $conds, LIST_AND );
+		}
+		$sql .= ')';
+
+		$this->query( $sql, $fname );
+	}
+
+	# Returns the size of a text field, or -1 for "unlimited"
+	function textFieldSize( $table, $field ) {
+		$table = $this->tableName( $table );
+		$sql = "SELECT t.typname as ftype,a.atttypmod as size
+			FROM pg_class c, pg_attribute a, pg_type t
+			WHERE relname='$table' AND a.attrelid=c.oid AND
+				a.atttypid=t.oid and a.attname='$field'";
+		$res =$this->query($sql);
+		$row=$this->fetchObject($res);
+		if ($row->ftype=="varchar") {
+			$size=$row->size-4;
+		} else {
+			$size=$row->size;
+		}
+		$this->freeResult( $res );
+		return $size;
+	}
+
+	function lowPriorityOption() {
+		return '';
+	}
+
+	function limitResult($sql, $limit,$offset) {
+		return "$sql LIMIT $limit ".(is_numeric($offset)?" OFFSET {$offset} ":"");
+	}
+
+	/**
+	 * Returns an SQL expression for a simple conditional.
+	 * Uses CASE on PostgreSQL.
+	 *
+	 * @param string $cond SQL expression which will result in a boolean value
+	 * @param string $trueVal SQL expression to return if true
+	 * @param string $falseVal SQL expression to return if false
+	 * @return string SQL fragment
+	 */
+	function conditional( $cond, $trueVal, $falseVal ) {
+		return " (CASE WHEN $cond THEN $trueVal ELSE $falseVal END) ";
+	}
+
+	# FIXME: actually detecting deadlocks might be nice
+	function wasDeadlock() {
+		return false;
+	}
+
+	# Return DB-style timestamp used for MySQL schema
+	function timestamp( $ts=0 ) {
+		return wfTimestamp(TS_DB,$ts);
+	}
+
+	/**
+	 * Return aggregated value function call
+	 */
+	function aggregateValue ($valuedata,$valuename='value') {
+		return $valuedata;
+	}
+
+
+	function reportQueryError( $error, $errno, $sql, $fname, $tempIgnore = false ) {
+		$message = "A database error has occurred\n" .
+			"Query: $sql\n" .
+			"Function: $fname\n" .
+			"Error: $errno $error\n";
+		throw new DBUnexpectedError($this, $message);
+	}
+
+	/**
+	 * @return string wikitext of a link to the server software's web site
+	 */
+	function getSoftwareLink() {
+		return "[http://www.postgresql.org/ PostgreSQL]";
+	}
+
+	/**
+	 * @return string Version information from the database
+	 */
+	function getServerVersion() {
+		$res = $this->query( "SELECT version()" );
+		$row = $this->fetchRow( $res );
+		$version = $row[0];
+		$this->freeResult( $res );
+		return $version;
+	}
+
+
+	/**
+	 * Query whether a given table exists (in the given schema, or the default mw one if not given)
+	 */
+	function tableExists( $table, $schema = false ) {
+		global $wgDBmwschema;
+		if (! $schema )
+			$schema = $wgDBmwschema;
+		$etable = preg_replace("/'/", "''", $table);
+		$eschema = preg_replace("/'/", "''", $schema);
+		$SQL = "SELECT 1 FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n "
+			. "WHERE c.relnamespace = n.oid AND c.relname = '$etable' AND n.nspname = '$eschema'";
+		$res = $this->query( $SQL );
+		$count = $res ? pg_num_rows($res) : 0;
+		if ($res)
+			$this->freeResult( $res );
+		return $count;
+	}
+
+
+	/**
+	 * Query whether a given schema exists. Returns the name of the owner
+	 */
+	function schemaExists( $schema ) {
+		$eschema = preg_replace("/'/", "''", $schema);
+		$SQL = "SELECT rolname FROM pg_catalog.pg_namespace n, pg_catalog.pg_roles r "
+				."WHERE n.nspowner=r.oid AND n.nspname = '$eschema'";
+		$res = $this->query( $SQL );
+		$owner = $res ? pg_num_rows($res) ? pg_fetch_result($res, 0, 0) : false : false;
+		if ($res)
+			$this->freeResult($res);
+		return $owner;
+	}
+
+	/**
+	 * Query whether a given column exists in the mediawiki schema
+	 */
+	function fieldExists( $table, $field ) {
+		global $wgDBmwschema;
+		$etable = preg_replace("/'/", "''", $table);
+		$eschema = preg_replace("/'/", "''", $wgDBmwschema);
+		$ecol = preg_replace("/'/", "''", $field);
+		$SQL = "SELECT 1 FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n, pg_catalog.pg_attribute a "
+			. "WHERE c.relnamespace = n.oid AND c.relname = '$etable' AND n.nspname = '$eschema' "
+			. "AND a.attrelid = c.oid AND a.attname = '$ecol'";
+		$res = $this->query( $SQL );
+		$count = $res ? pg_num_rows($res) : 0;
+		if ($res)
+			$this->freeResult( $res );
+		return $count;
+	}
+
+	function fieldInfo( $table, $field ) {
+		$res = $this->query( "SELECT $field FROM $table LIMIT 1" );
+		$type = pg_field_type( $res, 0 );
+		return $type;
+	}
+
+	function begin( $fname = 'DatabasePostgrs::begin' ) {
+		$this->query( 'BEGIN', $fname );
+		$this->mTrxLevel = 1;
+	}
+	function immediateCommit( $fname = 'DatabasePostgres::immediateCommit' ) {
+		return true;
+	}
+	function commit( $fname = 'DatabasePostgres::commit' ) {
+		$this->query( 'COMMIT', $fname );
+		$this->mTrxLevel = 0;
+	}
+
+	/* Not even sure why this is used in the main codebase... */
+	function limitResultForUpdate($sql, $num) {
+		return $sql;
+	}
+
+	function update_interwiki() {
+		## Avoid the non-standard "REPLACE INTO" syntax
+		## Called by config/index.php
+		$f = fopen( "../maintenance/interwiki.sql", 'r' );
+		if ($f == false ) {
+			dieout( "<li>Could not find the interwiki.sql file");
+		}
+		## We simply assume it is already empty as we have just created it
+		$SQL = "INSERT INTO interwiki(iw_prefix,iw_url,iw_local) VALUES ";
+		while ( ! feof( $f ) ) {
+			$line = fgets($f,1024);
+			if (!preg_match("/^\s*(\(.+?),(\d)\)/", $line, $matches)) {
+				continue;
+			}
+			$yesno = $matches[2]; ## ? "'true'" : "'false'";
+			$this->query("$SQL $matches[1],$matches[2])");
+		}
+		print " (table interwiki successfully populated)...\n";
+	}
+
+	function encodeBlob($b) {
+		return array('bytea',pg_escape_bytea($b));
+	}
+	function decodeBlob($b) {
+		return pg_unescape_bytea( $b );
+	}
+
+	function strencode( $s ) { ## Should not be called by us
+		return pg_escape_string( $s );
+	}
+
+	function addQuotes( $s ) {
+		if ( is_null( $s ) ) {
+			return 'NULL';
+		} else if (is_array( $s )) { ## Assume it is bytea data
+			return "E'$s[1]'";
+		}
+		return "'" . pg_escape_string($s) . "'";
+		return "E'" . pg_escape_string($s) . "'";
+	}
+
+}
+
+?>
diff --git a/includes/DateFormatter.php b/includes/DateFormatter.php
new file mode 100644
index 00000000..02acac73
--- /dev/null
+++ b/includes/DateFormatter.php
@@ -0,0 +1,288 @@
+<?php
+/**
+ * Contain things
+ * @todo document
+ * @package MediaWiki
+ * @subpackage Parser
+ */
+
+/** */
+define('DF_ALL', -1);
+define('DF_NONE', 0);
+define('DF_MDY', 1);
+define('DF_DMY', 2);
+define('DF_YMD', 3);
+define('DF_ISO1', 4);
+define('DF_LASTPREF', 4);
+define('DF_ISO2', 5);
+define('DF_YDM', 6);
+define('DF_DM', 7);
+define('DF_MD', 8);
+define('DF_LAST', 8);
+
+/**
+ * @todo preferences, OutputPage
+ * @package MediaWiki
+ * @subpackage Parser
+ */
+class DateFormatter
+{
+	var $mSource, $mTarget;
+	var $monthNames = '', $rxDM, $rxMD, $rxDMY, $rxYDM, $rxMDY, $rxYMD;
+
+	var $regexes, $pDays, $pMonths, $pYears;
+	var $rules, $xMonths;
+
+	/**
+	 * @todo document
+	 */
+	function DateFormatter() {
+		global $wgContLang;
+
+		$this->monthNames = $this->getMonthRegex();
+		for ( $i=1; $i<=12; $i++ ) {
+			$this->xMonths[$wgContLang->lc( $wgContLang->getMonthName( $i ) )] = $i;
+			$this->xMonths[$wgContLang->lc( $wgContLang->getMonthAbbreviation( $i ) )] = $i;
+		}
+
+		$this->regexTrail = '(?![a-z])/iu';
+
+		# Partial regular expressions
+		$this->prxDM = '\[\[(\d{1,2})[ _](' . $this->monthNames . ')]]';
+		$this->prxMD = '\[\[(' . $this->monthNames . ')[ _](\d{1,2})]]';
+		$this->prxY = '\[\[(\d{1,4}([ _]BC|))]]';
+		$this->prxISO1 = '\[\[(-?\d{4})]]-\[\[(\d{2})-(\d{2})]]';
+		$this->prxISO2 = '\[\[(-?\d{4})-(\d{2})-(\d{2})]]';
+
+		# Real regular expressions
+		$this->regexes[DF_DMY] = "/{$this->prxDM} *,? *{$this->prxY}{$this->regexTrail}";
+		$this->regexes[DF_YDM] = "/{$this->prxY} *,? *{$this->prxDM}{$this->regexTrail}";
+		$this->regexes[DF_MDY] = "/{$this->prxMD} *,? *{$this->prxY}{$this->regexTrail}";
+		$this->regexes[DF_YMD] = "/{$this->prxY} *,? *{$this->prxMD}{$this->regexTrail}";
+		$this->regexes[DF_DM] = "/{$this->prxDM}{$this->regexTrail}";
+		$this->regexes[DF_MD] = "/{$this->prxMD}{$this->regexTrail}";
+		$this->regexes[DF_ISO1] = "/{$this->prxISO1}{$this->regexTrail}";
+		$this->regexes[DF_ISO2] = "/{$this->prxISO2}{$this->regexTrail}";
+
+		# Extraction keys
+		# See the comments in replace() for the meaning of the letters
+		$this->keys[DF_DMY] = 'jFY';
+		$this->keys[DF_YDM] = 'Y jF';
+		$this->keys[DF_MDY] = 'FjY';
+		$this->keys[DF_YMD] = 'Y Fj';
+		$this->keys[DF_DM] = 'jF';
+		$this->keys[DF_MD] = 'Fj';
+		$this->keys[DF_ISO1] = 'ymd'; # y means ISO year
+		$this->keys[DF_ISO2] = 'ymd';
+
+		# Target date formats
+		$this->targets[DF_DMY] = '[[F j|j F]] [[Y]]';
+		$this->targets[DF_YDM] = '[[Y]], [[F j|j F]]';
+		$this->targets[DF_MDY] = '[[F j]], [[Y]]';
+		$this->targets[DF_YMD] = '[[Y]] [[F j]]';
+		$this->targets[DF_DM] = '[[F j|j F]]';
+		$this->targets[DF_MD] = '[[F j]]';
+		$this->targets[DF_ISO1] = '[[Y|y]]-[[F j|m-d]]';
+		$this->targets[DF_ISO2] = '[[y-m-d]]';
+
+		# Rules
+		#            pref    source 	  target
+		$this->rules[DF_DMY][DF_MD] 	= DF_DM;
+		$this->rules[DF_ALL][DF_MD] 	= DF_MD;
+		$this->rules[DF_MDY][DF_DM] 	= DF_MD;
+		$this->rules[DF_ALL][DF_DM] 	= DF_DM;
+		$this->rules[DF_NONE][DF_ISO2] 	= DF_ISO1;
+	}
+
+	/**
+	 * @static
+	 */
+	function &getInstance() {
+		global $wgDBname, $wgMemc;
+		static $dateFormatter = false;
+		if ( !$dateFormatter ) {
+			$dateFormatter = $wgMemc->get( "$wgDBname:dateformatter" );
+			if ( !$dateFormatter ) {
+				$dateFormatter = new DateFormatter;
+				$wgMemc->set( "$wgDBname:dateformatter", $dateFormatter, 3600 );
+			}
+		}
+		return $dateFormatter;
+	}
+
+	/**
+	 * @param $preference
+	 * @param $text
+	 */
+	function reformat( $preference, $text ) {
+		if ($preference == 'ISO 8601') $preference = 4; # The ISO 8601 option used to be 4
+		for ( $i=1; $i<=DF_LAST; $i++ ) {
+			$this->mSource = $i;
+			if ( @$this->rules[$preference][$i] ) {
+				# Specific rules
+				$this->mTarget = $this->rules[$preference][$i];
+			} elseif ( @$this->rules[DF_ALL][$i] ) {
+				# General rules
+				$this->mTarget = $this->rules[DF_ALL][$i];
+			} elseif ( $preference ) {
+				# User preference
+				$this->mTarget = $preference;
+			} else {
+				# Default
+				$this->mTarget = $i;
+			}
+			$text = preg_replace_callback( $this->regexes[$i], 'wfMainDateReplace', $text );
+		}
+		return $text;
+	}
+
+	/**
+	 * @param $matches
+	 */
+	function replace( $matches ) {
+		# Extract information from $matches
+		$bits = array();
+		$key = $this->keys[$this->mSource];
+		for ( $p=0; $p < strlen($key); $p++ ) {
+			if ( $key{$p} != ' ' ) {
+				$bits[$key{$p}] = $matches[$p+1];
+			}
+		}
+
+		$format = $this->targets[$this->mTarget];
+
+		# Construct new date
+		$text = '';
+		$fail = false;
+
+		for ( $p=0; $p < strlen( $format ); $p++ ) {
+			$char = $format{$p};
+			switch ( $char ) {
+				case 'd': # ISO day of month
+					if ( !isset($bits['d']) ) {
+						$text .= sprintf( '%02d', $bits['j'] );
+					} else {
+						$text .= $bits['d'];
+					}
+					break;
+				case 'm': # ISO month
+					if ( !isset($bits['m']) ) {
+						$m = $this->makeIsoMonth( $bits['F'] );
+						if ( !$m || $m == '00' ) {
+							$fail = true;
+						} else {
+							$text .= $m;
+						}
+					} else {
+						$text .= $bits['m'];
+					}
+					break;
+				case 'y': # ISO year
+					if ( !isset( $bits['y'] ) ) {
+						$text .= $this->makeIsoYear( $bits['Y'] );
+					} else {
+						$text .= $bits['y'];
+					}
+					break;
+				case 'j': # ordinary day of month
+					if ( !isset($bits['j']) ) {
+						$text .= intval( $bits['d'] );
+					} else {
+						$text .= $bits['j'];
+					}
+					break;
+				case 'F': # long month
+					if ( !isset( $bits['F'] ) ) {
+						$m = intval($bits['m']);
+						if ( $m > 12 || $m < 1 ) {
+							$fail = true;
+						} else {
+							global $wgContLang;
+							$text .= $wgContLang->getMonthName( $m );
+						}
+					} else {
+						$text .= ucfirst( $bits['F'] );
+					}
+					break;
+				case 'Y': # ordinary (optional BC) year
+					if ( !isset( $bits['Y'] ) ) {
+						$text .= $this->makeNormalYear( $bits['y'] );
+					} else {
+						$text .= $bits['Y'];
+					}
+					break;
+				default:
+					$text .= $char;
+			}
+		}
+		if ( $fail ) {
+			$text = $matches[0];
+		}
+		return $text;
+	}
+
+	/**
+	 * @todo document
+	 */
+	function getMonthRegex() {
+		global $wgContLang;
+		$names = array();
+		for( $i = 1; $i <= 12; $i++ ) {
+			$names[] = $wgContLang->getMonthName( $i );
+			$names[] = $wgContLang->getMonthAbbreviation( $i );
+		}
+		return implode( '|', $names );
+	}
+
+	/**
+	 * Makes an ISO month, e.g. 02, from a month name
+	 * @param $monthName String: month name
+	 * @return string ISO month name
+	 */
+	function makeIsoMonth( $monthName ) {
+		global $wgContLang;
+
+		$n = $this->xMonths[$wgContLang->lc( $monthName )];
+		return sprintf( '%02d', $n );
+	}
+
+	/**
+	 * @todo document
+	 * @param $year String: Year name
+	 * @return string ISO year name
+	 */
+	function makeIsoYear( $year ) {
+		# Assumes the year is in a nice format, as enforced by the regex
+		if ( substr( $year, -2 ) == 'BC' ) {
+			$num = intval(substr( $year, 0, -3 )) - 1;
+			# PHP bug note: sprintf( "%04d", -1 ) fails poorly
+			$text = sprintf( '-%04d', $num );
+
+		} else {
+			$text = sprintf( '%04d', $year );
+		}
+		return $text;
+	}
+
+	/**
+	 * @todo document
+	 */
+	function makeNormalYear( $iso ) {
+		if ( $iso{0} == '-' ) {
+			$text = (intval( substr( $iso, 1 ) ) + 1) . ' BC';
+		} else {
+			$text = intval( $iso );
+		}
+		return $text;
+	}
+}
+
+/**
+ * @todo document
+ */
+function wfMainDateReplace( $matches ) {
+	$df =& DateFormatter::getInstance();
+	return $df->replace( $matches );
+}
+
+?>
diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
new file mode 100644
index 00000000..1964aaf2
--- /dev/null
+++ b/includes/DefaultSettings.php
@@ -0,0 +1,2189 @@
+<?php
+/**
+ *
+ *                 NEVER EDIT THIS FILE
+ *
+ *
+ * To customize your installation, edit "LocalSettings.php". If you make
+ * changes here, they will be lost on next upgrade of MediaWiki!
+ *
+ * Note that since all these string interpolations are expanded
+ * before LocalSettings is included, if you localize something
+ * like $wgScriptPath, you must also localize everything that
+ * depends on it.
+ *
+ * Documentation is in the source and on:
+ * http://www.mediawiki.org/wiki/Help:Configuration_settings
+ *
+ * @package MediaWiki
+ */
+
+# This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
+if( !defined( 'MEDIAWIKI' ) ) {
+	echo "This file is part of MediaWiki and is not a valid entry point\n";
+	die( 1 );
+}
+
+/**
+ * Create a site configuration object
+ * Not used for much in a default install
+ */
+require_once( 'includes/SiteConfiguration.php' );
+$wgConf = new SiteConfiguration;
+
+/** MediaWiki version number */
+$wgVersion			= '1.7.1';
+
+/** Name of the site. It must be changed in LocalSettings.php */
+$wgSitename         = 'MediaWiki';
+
+/** Will be same as you set @see $wgSitename */
+$wgMetaNamespace    = FALSE;
+
+
+/** URL of the server. It will be automatically built including https mode */
+$wgServer = '';
+
+if( isset( $_SERVER['SERVER_NAME'] ) ) {
+	$wgServerName = $_SERVER['SERVER_NAME'];
+} elseif( isset( $_SERVER['HOSTNAME'] ) ) {
+	$wgServerName = $_SERVER['HOSTNAME'];
+} elseif( isset( $_SERVER['HTTP_HOST'] ) ) {
+	$wgServerName = $_SERVER['HTTP_HOST'];
+} elseif( isset( $_SERVER['SERVER_ADDR'] ) ) {
+	$wgServerName = $_SERVER['SERVER_ADDR'];
+} else {
+	$wgServerName = 'localhost';
+}
+
+# check if server use https:
+$wgProto = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https' : 'http';
+
+$wgServer = $wgProto.'://' . $wgServerName;
+# If the port is a non-standard one, add it to the URL
+if(    isset( $_SERVER['SERVER_PORT'] )
+	&& !strpos( $wgServerName, ':' )
+    && (    ( $wgProto == 'http' && $_SERVER['SERVER_PORT'] != 80 )
+	 || ( $wgProto == 'https' && $_SERVER['SERVER_PORT'] != 443 ) ) ) {
+
+	$wgServer .= ":" . $_SERVER['SERVER_PORT'];
+}
+
+
+/**
+ * The path we should point to.
+ * It might be a virtual path in case with use apache mod_rewrite for example
+ */
+$wgScriptPath	    = '/wiki';
+
+/**
+ * Whether to support URLs like index.php/Page_title
+ * @global bool $wgUsePathInfo
+ */
+$wgUsePathInfo		= ( strpos( php_sapi_name(), 'cgi' ) === false );
+
+
+/**#@+
+ * Script users will request to get articles
+ * ATTN: Old installations used wiki.phtml and redirect.phtml -
+ * make sure that LocalSettings.php is correctly set!
+ * @deprecated
+ */
+/**
+ *	@global string $wgScript
+ */
+$wgScript           = "{$wgScriptPath}/index.php";
+/**
+ *	@global string $wgRedirectScript
+ */
+$wgRedirectScript   = "{$wgScriptPath}/redirect.php";
+/**#@-*/
+
+
+/**#@+
+ * @global string
+ */
+/**
+ * style path as seen by users
+ * @global string $wgStylePath
+ */
+$wgStylePath   = "{$wgScriptPath}/skins";
+/**
+ * filesystem stylesheets directory
+ * @global string $wgStyleDirectory
+ */
+$wgStyleDirectory = "{$IP}/skins";
+$wgStyleSheetPath = &$wgStylePath;
+$wgArticlePath      = "{$wgScript}?title=$1";
+$wgUploadPath       = "{$wgScriptPath}/upload";
+$wgUploadDirectory	= "{$IP}/upload";
+$wgHashedUploadDirectory	= true;
+$wgLogo				= "{$wgUploadPath}/wiki.png";
+$wgFavicon			= '/favicon.ico';
+$wgMathPath         = "{$wgUploadPath}/math";
+$wgMathDirectory    = "{$wgUploadDirectory}/math";
+$wgTmpDirectory     = "{$wgUploadDirectory}/tmp";
+$wgUploadBaseUrl    = "";
+/**#@-*/
+
+
+/**
+ * By default deleted files are simply discarded; to save them and
+ * make it possible to undelete images, create a directory which
+ * is writable to the web server but is not exposed to the internet.
+ *
+ * Set $wgSaveDeletedFiles to true and set up the save path in
+ * $wgFileStore['deleted']['directory'].
+ */
+$wgSaveDeletedFiles = false;
+
+/**
+ * New file storage paths; currently used only for deleted files.
+ * Set it like this:
+ *
+ *   $wgFileStore['deleted']['directory'] = '/var/wiki/private/deleted';
+ *
+ */
+$wgFileStore = array();
+$wgFileStore['deleted']['directory'] = null; // Don't forget to set this.
+$wgFileStore['deleted']['url'] = null;       // Private
+$wgFileStore['deleted']['hash'] = 3;         // 3-level subdirectory split
+
+/**
+ * Allowed title characters -- regex character class
+ * Don't change this unless you know what you're doing
+ *
+ * Problematic punctuation:
+ *  []{}|#    Are needed for link syntax, never enable these
+ *  %         Enabled by default, minor problems with path to query rewrite rules, see below
+ *  +         Doesn't work with path to query rewrite rules, corrupted by apache
+ *  ?         Enabled by default, but doesn't work with path to PATH_INFO rewrites
+ *
+ * All three of these punctuation problems can be avoided by using an alias, instead of a
+ * rewrite rule of either variety.
+ *
+ * The problem with % is that when using a path to query rewrite rule, URLs are
+ * double-unescaped: once by Apache's path conversion code, and again by PHP. So
+ * %253F, for example, becomes "?". Our code does not double-escape to compensate
+ * for this, indeed double escaping would break if the double-escaped title was
+ * passed in the query string rather than the path. This is a minor security issue
+ * because articles can be created such that they are hard to view or edit.
+ *
+ * Theoretically 0x80-0x9F of ISO 8859-1 should be disallowed, but
+ * this breaks interlanguage links
+ */
+$wgLegalTitleChars = " %!\"$&'()*,\\-.\\/0-9:;=?@A-Z\\\\^_`a-z~\\x80-\\xFF";
+
+
+/**
+ * The external URL protocols
+ */
+$wgUrlProtocols = array(
+	'http://',
+	'https://',
+	'ftp://',
+	'irc://',
+	'gopher://',
+	'telnet://', // Well if we're going to support the above.. -ævar
+	'nntp://', // @bug 3808 RFC 1738
+	'worldwind://',
+	'mailto:',
+	'news:'
+);
+
+/** internal name of virus scanner. This servers as a key to the $wgAntivirusSetup array.
+ * Set this to NULL to disable virus scanning. If not null, every file uploaded will be scanned for viruses.
+ * @global string $wgAntivirus
+ */
+$wgAntivirus= NULL;
+
+/** Configuration for different virus scanners. This an associative array of associative arrays:
+ * it contains on setup array per known scanner type. The entry is selected by $wgAntivirus, i.e.
+ * valid values for $wgAntivirus are the keys defined in this array.
+ *
+ * The configuration array for each scanner contains the following keys: "command", "codemap", "messagepattern";
+ *
+ * "command" is the full command to call the virus scanner - %f will be replaced with the name of the
+ * file to scan. If not present, the filename will be appended to the command. Note that this must be
+ * overwritten if the scanner is not in the system path; in that case, plase set
+ * $wgAntivirusSetup[$wgAntivirus]['command'] to the desired command with full path.
+ *
+ * "codemap" is a mapping of exit code to return codes of the detectVirus function in SpecialUpload.
+ * An exit code mapped to AV_SCAN_FAILED causes the function to consider the scan to be failed. This will pass
+ * the file if $wgAntivirusRequired is not set.
+ * An exit code mapped to AV_SCAN_ABORTED causes the function to consider the file to have an usupported format,
+ * which is probably imune to virusses. This causes the file to pass.
+ * An exit code mapped to AV_NO_VIRUS will cause the file to pass, meaning no virus was found.
+ * All other codes (like AV_VIRUS_FOUND) will cause the function to report a virus.
+ * You may use "*" as a key in the array to catch all exit codes not mapped otherwise.
+ *
+ * "messagepattern" is a perl regular expression to extract the meaningful part of the scanners
+ * output. The relevant part should be matched as group one (\1).
+ * If not defined or the pattern does not match, the full message is shown to the user.
+ *
+ * @global array $wgAntivirusSetup
+ */
+$wgAntivirusSetup= array(
+
+	#setup for clamav
+	'clamav' => array (
+		'command' => "clamscan --no-summary ",
+
+		'codemap'=> array (
+			"0"=>  AV_NO_VIRUS, #no virus
+			"1"=>  AV_VIRUS_FOUND, #virus found
+			"52"=> AV_SCAN_ABORTED, #unsupported file format (probably imune)
+			"*"=>  AV_SCAN_FAILED, #else scan failed
+		),
+
+		'messagepattern'=> '/.*?:(.*)/sim',
+	),
+
+	#setup for f-prot
+	'f-prot' => array (
+		'command' => "f-prot ",
+
+		'codemap'=> array (
+			"0"=> AV_NO_VIRUS, #no virus
+			"3"=> AV_VIRUS_FOUND, #virus found
+			"6"=> AV_VIRUS_FOUND, #virus found
+			"*"=> AV_SCAN_FAILED, #else scan failed
+		),
+
+		'messagepattern'=> '/.*?Infection:(.*)$/m',
+	),
+);
+
+
+/** Determines if a failed virus scan (AV_SCAN_FAILED) will cause the file to be rejected.
+ * @global boolean $wgAntivirusRequired
+*/
+$wgAntivirusRequired= true;
+
+/** Determines if the mime type of uploaded files should be checked
+ * @global boolean $wgVerifyMimeType
+*/
+$wgVerifyMimeType= true;
+
+/** Sets the mime type definition file to use by MimeMagic.php.
+* @global string $wgMimeTypeFile
+*/
+#$wgMimeTypeFile= "/etc/mime.types";
+$wgMimeTypeFile= "includes/mime.types";
+#$wgMimeTypeFile= NULL; #use built-in defaults only.
+
+/** Sets the mime type info file to use by MimeMagic.php.
+* @global string $wgMimeInfoFile
+*/
+$wgMimeInfoFile= "includes/mime.info";
+#$wgMimeInfoFile= NULL; #use built-in defaults only.
+
+/** Switch for loading the FileInfo extension by PECL at runtime.
+* This should be used only if fileinfo is installed as a shared object / dynamic libary
+* @global string $wgLoadFileinfoExtension
+*/
+$wgLoadFileinfoExtension= false;
+
+/** Sets an external mime detector program. The command must print only the mime type to standard output.
+* the name of the file to process will be appended to the command given here.
+* If not set or NULL, mime_content_type will be used if available.
+*/
+$wgMimeDetectorCommand= NULL; # use internal mime_content_type function, available since php 4.3.0
+#$wgMimeDetectorCommand= "file -bi"; #use external mime detector (Linux)
+
+/** Switch for trivial mime detection. Used by thumb.php to disable all fance things,
+* because only a few types of images are needed and file extensions can be trusted.
+*/
+$wgTrivialMimeDetection= false;
+
+/**
+ * To set 'pretty' URL paths for actions other than
+ * plain page views, add to this array. For instance:
+ *   'edit' => "$wgScriptPath/edit/$1"
+ *
+ * There must be an appropriate script or rewrite rule
+ * in place to handle these URLs.
+ */
+$wgActionPaths = array();
+
+/**
+ * If you operate multiple wikis, you can define a shared upload path here.
+ * Uploads to this wiki will NOT be put there - they will be put into
+ * $wgUploadDirectory.
+ * If $wgUseSharedUploads is set, the wiki will look in the shared repository if
+ * no file of the given name is found in the local repository (for [[Image:..]],
+ * [[Media:..]] links). Thumbnails will also be looked for and generated in this
+ * directory.
+ */
+$wgUseSharedUploads = false;
+/** Full path on the web server where shared uploads can be found */
+$wgSharedUploadPath = "http://commons.wikimedia.org/shared/images";
+/** Fetch commons image description pages and display them on the local wiki? */
+$wgFetchCommonsDescriptions = false;
+/** Path on the file system where shared uploads can be found. */
+$wgSharedUploadDirectory = "/var/www/wiki3/images";
+/** DB name with metadata about shared directory. Set this to false if the uploads do not come from a wiki. */
+$wgSharedUploadDBname = false;
+/** Optional table prefix used in database. */
+$wgSharedUploadDBprefix = '';
+/** Cache shared metadata in memcached. Don't do this if the commons wiki is in a different memcached domain */
+$wgCacheSharedUploads = true;
+
+/**
+ * Point the upload navigation link to an external URL
+ * Useful if you want to use a shared repository by default
+ * without disabling local uploads (use $wgEnableUploads = false for that)
+ * e.g. $wgUploadNavigationUrl = 'http://commons.wikimedia.org/wiki/Special:Upload';
+*/
+$wgUploadNavigationUrl = false;
+
+/**
+ * Give a path here to use thumb.php for thumbnail generation on client request, instead of
+ * generating them on render and outputting a static URL. This is necessary if some of your
+ * apache servers don't have read/write access to the thumbnail path.
+ *
+ * Example:
+ *   $wgThumbnailScriptPath = "{$wgScriptPath}/thumb.php";
+ */
+$wgThumbnailScriptPath = false;
+$wgSharedThumbnailScriptPath = false;
+
+/**
+ * Set the following to false especially if you have a set of files that need to
+ * be accessible by all wikis, and you do not want to use the hash (path/a/aa/)
+ * directory layout.
+ */
+$wgHashedSharedUploadDirectory = true;
+
+/**
+ * Base URL for a repository wiki. Leave this blank if uploads are just stored
+ * in a shared directory and not meant to be accessible through a separate wiki.
+ * Otherwise the image description pages on the local wiki will link to the
+ * image description page on this wiki.
+ *
+ * Please specify the namespace, as in the example below.
+ */
+$wgRepositoryBaseUrl="http://commons.wikimedia.org/wiki/Image:";
+
+
+#
+# Email settings
+#
+
+/**
+ * Site admin email address
+ * Default to wikiadmin@SERVER_NAME
+ * @global string $wgEmergencyContact
+ */
+$wgEmergencyContact = 'wikiadmin@' . $wgServerName;
+
+/**
+ * Password reminder email address
+ * The address we should use as sender when a user is requesting his password
+ * Default to apache@SERVER_NAME
+ * @global string $wgPasswordSender
+ */
+$wgPasswordSender	= 'MediaWiki Mail <apache@' . $wgServerName . '>';
+
+/**
+ * dummy address which should be accepted during mail send action
+ * It might be necessay to adapt the address or to set it equal
+ * to the $wgEmergencyContact address
+ */
+#$wgNoReplyAddress	= $wgEmergencyContact;
+$wgNoReplyAddress	= 'reply@not.possible';
+
+/**
+ * Set to true to enable the e-mail basic features:
+ * Password reminders, etc. If sending e-mail on your
+ * server doesn't work, you might want to disable this.
+ * @global bool $wgEnableEmail
+ */
+$wgEnableEmail = true;
+
+/**
+ * Set to true to enable user-to-user e-mail.
+ * This can potentially be abused, as it's hard to track.
+ * @global bool $wgEnableUserEmail
+ */
+$wgEnableUserEmail = true;
+
+/**
+ * SMTP Mode
+ * For using a direct (authenticated) SMTP server connection.
+ * Default to false or fill an array :
+ * <code>
+ * "host" => 'SMTP domain',
+ * "IDHost" => 'domain for MessageID',
+ * "port" => "25",
+ * "auth" => true/false,
+ * "username" => user,
+ * "password" => password
+ * </code>
+ *
+ * @global mixed $wgSMTP
+ */
+$wgSMTP				= false;
+
+
+/**#@+
+ * Database settings
+ */
+/** database host name or ip address */
+$wgDBserver         = 'localhost';
+/** database port number */
+$wgDBport           = '';
+/** name of the database */
+$wgDBname           = 'wikidb';
+/** */
+$wgDBconnection     = '';
+/** Database username */
+$wgDBuser           = 'wikiuser';
+/** Database type
+ * "mysql" for working code and "PostgreSQL" for development/broken code
+ */
+$wgDBtype           = "mysql";
+/** Search type
+ * Leave as null to select the default search engine for the
+ * selected database type (eg SearchMySQL4), or set to a class
+ * name to override to a custom search engine.
+ */
+$wgSearchType	    = null;
+/** Table name prefix */
+$wgDBprefix         = '';
+/**#@-*/
+
+/** Live high performance sites should disable this - some checks acquire giant mysql locks */
+$wgCheckDBSchema = true;
+
+
+/**
+ * Shared database for multiple wikis. Presently used for storing a user table
+ * for single sign-on. The server for this database must be the same as for the
+ * main database.
+ * EXPERIMENTAL
+ */
+$wgSharedDB = null;
+
+# Database load balancer
+# This is a two-dimensional array, an array of server info structures
+# Fields are:
+#   host:        Host name
+#   dbname:      Default database name
+#   user:        DB user
+#   password:    DB password
+#   type:        "mysql" or "pgsql"
+#   load:        ratio of DB_SLAVE load, must be >=0, the sum of all loads must be >0
+#   groupLoads:  array of load ratios, the key is the query group name. A query may belong
+#                to several groups, the most specific group defined here is used.
+#
+#   flags:       bit field
+#                   DBO_DEFAULT -- turns on DBO_TRX only if !$wgCommandLineMode (recommended)
+#                   DBO_DEBUG -- equivalent of $wgDebugDumpSql
+#                   DBO_TRX -- wrap entire request in a transaction
+#                   DBO_IGNORE -- ignore errors (not useful in LocalSettings.php)
+#                   DBO_NOBUFFER -- turn off buffering (not useful in LocalSettings.php)
+#
+#   max lag:     (optional) Maximum replication lag before a slave will taken out of rotation
+#   max threads: (optional) Maximum number of running threads
+#
+#   These and any other user-defined properties will be assigned to the mLBInfo member
+#   variable of the Database object.
+#
+# Leave at false to use the single-server variables above
+$wgDBservers		= false;
+
+/** How long to wait for a slave to catch up to the master */
+$wgMasterWaitTimeout = 10;
+
+/** File to log database errors to */
+$wgDBerrorLog		= false;
+
+/** When to give an error message */
+$wgDBClusterTimeout = 10;
+
+/**
+ * wgDBminWordLen :
+ * MySQL 3.x : used to discard words that MySQL will not return any results for
+ * shorter values configure mysql directly.
+ * MySQL 4.x : ignore it and configure mySQL
+ * See: http://dev.mysql.com/doc/mysql/en/Fulltext_Fine-tuning.html
+ */
+$wgDBminWordLen     = 4;
+/** Set to true if using InnoDB tables */
+$wgDBtransactions	= false;
+/** Set to true for compatibility with extensions that might be checking.
+ * MySQL 3.23.x is no longer supported. */
+$wgDBmysql4			= true;
+
+/**
+ * Set to true to engage MySQL 4.1/5.0 charset-related features;
+ * for now will just cause sending of 'SET NAMES=utf8' on connect.
+ *
+ * WARNING: THIS IS EXPERIMENTAL!
+ *
+ * May break if you're not using the table defs from mysql5/tables.sql.
+ * May break if you're upgrading an existing wiki if set differently.
+ * Broken symptoms likely to include incorrect behavior with page titles,
+ * usernames, comments etc containing non-ASCII characters.
+ * Might also cause failures on the object cache and other things.
+ *
+ * Even correct usage may cause failures with Unicode supplementary
+ * characters (those not in the Basic Multilingual Plane) unless MySQL
+ * has enhanced their Unicode support.
+ */
+$wgDBmysql5			= false;
+
+/**
+ * Other wikis on this site, can be administered from a single developer
+ * account.
+ * Array numeric key => database name
+ */
+$wgLocalDatabases   = array();
+
+/**
+ * Object cache settings
+ * See Defines.php for types
+ */
+$wgMainCacheType = CACHE_NONE;
+$wgMessageCacheType = CACHE_ANYTHING;
+$wgParserCacheType = CACHE_ANYTHING;
+
+$wgParserCacheExpireTime = 86400;
+
+$wgSessionsInMemcached = false;
+$wgLinkCacheMemcached = false; # Not fully tested
+
+/**
+ * Memcached-specific settings
+ * See docs/memcached.txt
+ */
+$wgUseMemCached     = false;
+$wgMemCachedDebug   = false; # Will be set to false in Setup.php, if the server isn't working
+$wgMemCachedServers = array( '127.0.0.1:11000' );
+$wgMemCachedDebug   = false;
+$wgMemCachedPersistent = false;
+
+/**
+ * Directory for local copy of message cache, for use in addition to memcached
+ */
+$wgLocalMessageCache = false;
+/**
+ * Defines format of local cache
+ * true - Serialized object
+ * false - PHP source file (Warning - security risk)
+ */
+$wgLocalMessageCacheSerialized = true;
+
+/**
+ * Directory for compiled constant message array databases
+ * WARNING: turning anything on will just break things, aaaaaah!!!!
+ */
+$wgCachedMessageArrays = false;
+
+# Language settings
+#
+/** Site language code, should be one of ./languages/Language(.*).php */
+$wgLanguageCode     = 'en';
+
+/**
+ * Some languages need different word forms, usually for different cases.
+ * Used in Language::convertGrammar().
+ */
+$wgGrammarForms = array();
+#$wgGrammarForms['en']['genitive']['car'] = 'car\'s';
+
+/** Treat language links as magic connectors, not inline links */
+$wgInterwikiMagic = true;
+
+/** Hide interlanguage links from the sidebar */
+$wgHideInterlanguageLinks = false;
+
+
+/** We speak UTF-8 all the time now, unless some oddities happen */
+$wgInputEncoding  = 'UTF-8';
+$wgOutputEncoding = 'UTF-8';
+$wgEditEncoding   = '';
+
+# Set this to eg 'ISO-8859-1' to perform character set
+# conversion when loading old revisions not marked with
+# "utf-8" flag. Use this when converting wiki to UTF-8
+# without the burdensome mass conversion of old text data.
+#
+# NOTE! This DOES NOT touch any fields other than old_text.
+# Titles, comments, user names, etc still must be converted
+# en masse in the database before continuing as a UTF-8 wiki.
+$wgLegacyEncoding   = false;
+
+/**
+ * If set to true, the MediaWiki 1.4 to 1.5 schema conversion will
+ * create stub reference rows in the text table instead of copying
+ * the full text of all current entries from 'cur' to 'text'.
+ *
+ * This will speed up the conversion step for large sites, but
+ * requires that the cur table be kept around for those revisions
+ * to remain viewable.
+ *
+ * maintenance/migrateCurStubs.php can be used to complete the
+ * migration in the background once the wiki is back online.
+ *
+ * This option affects the updaters *only*. Any present cur stub
+ * revisions will be readable at runtime regardless of this setting.
+ */
+$wgLegacySchemaConversion = false;
+
+$wgMimeType			= 'text/html';
+$wgJsMimeType			= 'text/javascript';
+$wgDocType			= '-//W3C//DTD XHTML 1.0 Transitional//EN';
+$wgDTD				= 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd';
+
+/** Enable to allow rewriting dates in page text.
+ * DOES NOT FORMAT CORRECTLY FOR MOST LANGUAGES */
+$wgUseDynamicDates  = false;
+/** Enable dates like 'May 12' instead of '12 May', this only takes effect if
+ * the interface is set to English
+ */
+$wgAmericanDates    = false;
+/**
+ * For Hindi and Arabic use local numerals instead of Western style (0-9)
+ * numerals in interface.
+ */
+$wgTranslateNumerals = true;
+
+
+# Translation using MediaWiki: namespace
+# This will increase load times by 25-60% unless memcached is installed
+# Interface messages will be loaded from the database.
+$wgUseDatabaseMessages = true;
+$wgMsgCacheExpiry	= 86400;
+
+# Whether to enable language variant conversion.
+$wgDisableLangConversion = false;
+
+/**
+ * Show a bar of language selection links in the user login and user
+ * registration forms; edit the "loginlanguagelinks" message to
+ * customise these
+ */
+$wgLoginLanguageSelector = false;
+
+# Whether to use zhdaemon to perform Chinese text processing
+# zhdaemon is under developement, so normally you don't want to
+# use it unless for testing
+$wgUseZhdaemon = false;
+$wgZhdaemonHost="localhost";
+$wgZhdaemonPort=2004;
+
+/** Normally you can ignore this and it will be something
+    like $wgMetaNamespace . "_talk". In some languages, you
+    may want to set this manually for grammatical reasons.
+    It is currently only respected by those languages
+    where it might be relevant and where no automatic
+    grammar converter exists.
+*/
+$wgMetaNamespaceTalk = false;
+
+# Miscellaneous configuration settings
+#
+
+$wgLocalInterwiki   = 'w';
+$wgInterwikiExpiry = 10800; # Expiry time for cache of interwiki table
+
+/** Interwiki caching settings.
+	$wgInterwikiCache specifies path to constant database file
+		This cdb database is generated by dumpInterwiki from maintenance
+		and has such key formats:
+			dbname:key - a simple key (e.g. enwiki:meta)
+			_sitename:key - site-scope key (e.g. wiktionary:meta)
+			__global:key - global-scope key (e.g. __global:meta)
+			__sites:dbname - site mapping (e.g. __sites:enwiki)
+		Sites mapping just specifies site name, other keys provide
+			"local url" data layout.
+	$wgInterwikiScopes specify number of domains to check for messages:
+		1 - Just wiki(db)-level
+		2 - wiki and global levels
+		3 - site levels
+	$wgInterwikiFallbackSite - if unable to resolve from cache
+*/
+$wgInterwikiCache = false;
+$wgInterwikiScopes = 3;
+$wgInterwikiFallbackSite = 'wiki';
+
+/**
+ * If local interwikis are set up which allow redirects,
+ * set this regexp to restrict URLs which will be displayed
+ * as 'redirected from' links.
+ *
+ * It might look something like this:
+ * $wgRedirectSources = '!^https?://[a-z-]+\.wikipedia\.org/!';
+ *
+ * Leave at false to avoid displaying any incoming redirect markers.
+ * This does not affect intra-wiki redirects, which don't change
+ * the URL.
+ */
+$wgRedirectSources = false;
+
+
+$wgShowIPinHeader	= true; # For non-logged in users
+$wgMaxNameChars		= 255;  # Maximum number of bytes in username
+$wgMaxArticleSize	= 2048; # Maximum article size in kilobytes
+
+$wgExtraSubtitle	= '';
+$wgSiteSupportPage	= ''; # A page where you users can receive donations
+
+$wgReadOnlyFile         = "{$wgUploadDirectory}/lock_yBgMBwiR";
+
+/**
+ * The debug log file should be not be publicly accessible if it is used, as it
+ * may contain private data. */
+$wgDebugLogFile         = '';
+
+/**#@+
+ * @global bool
+ */
+$wgDebugRedirects		= false;
+$wgDebugRawPage         = false; # Avoid overlapping debug entries by leaving out CSS
+
+$wgDebugComments        = false;
+$wgReadOnly             = null;
+$wgLogQueries           = false;
+
+/**
+ * Write SQL queries to the debug log
+ */
+$wgDebugDumpSql         = false;
+
+/**
+ * Set to an array of log group keys to filenames.
+ * If set, wfDebugLog() output for that group will go to that file instead
+ * of the regular $wgDebugLogFile. Useful for enabling selective logging
+ * in production.
+ */
+$wgDebugLogGroups       = array();
+
+/**
+ * Whether to show "we're sorry, but there has been a database error" pages.
+ * Displaying errors aids in debugging, but may display information useful
+ * to an attacker.
+ */
+$wgShowSQLErrors        = false;
+
+/**
+ * If true, some error messages will be colorized when running scripts on the
+ * command line; this can aid picking important things out when debugging.
+ * Ignored when running on Windows or when output is redirected to a file.
+ */
+$wgColorErrors          = true;
+
+/**
+ * disable experimental dmoz-like category browsing. Output things like:
+ * Encyclopedia > Music > Style of Music > Jazz
+ */
+$wgUseCategoryBrowser   = false;
+
+/**
+ * Keep parsed pages in a cache (objectcache table, turck, or memcached)
+ * to speed up output of the same page viewed by another user with the
+ * same options.
+ *
+ * This can provide a significant speedup for medium to large pages,
+ * so you probably want to keep it on.
+ */
+$wgEnableParserCache = true;
+
+/**
+ * If on, the sidebar navigation links are cached for users with the
+ * current language set. This can save a touch of load on a busy site
+ * by shaving off extra message lookups.
+ *
+ * However it is also fragile: changing the site configuration, or
+ * having a variable $wgArticlePath, can produce broken links that
+ * don't update as expected.
+ */
+$wgEnableSidebarCache = false;
+
+/**
+ * Under which condition should a page in the main namespace be counted
+ * as a valid article? If $wgUseCommaCount is set to true, it will be
+ * counted if it contains at least one comma. If it is set to false
+ * (default), it will only be counted if it contains at least one [[wiki
+ * link]]. See http://meta.wikimedia.org/wiki/Help:Article_count
+ *
+ * Retroactively changing this variable will not affect
+ * the existing count (cf. maintenance/recount.sql).
+*/
+$wgUseCommaCount = false;
+
+/**#@-*/
+
+/**
+ * wgHitcounterUpdateFreq sets how often page counters should be updated, higher
+ * values are easier on the database. A value of 1 causes the counters to be
+ * updated on every hit, any higher value n cause them to update *on average*
+ * every n hits. Should be set to either 1 or something largish, eg 1000, for
+ * maximum efficiency.
+*/
+$wgHitcounterUpdateFreq = 1;
+
+# Basic user rights and block settings
+$wgSysopUserBans        = true; # Allow sysops to ban logged-in users
+$wgSysopRangeBans		= true; # Allow sysops to ban IP ranges
+$wgAutoblockExpiry		= 86400; # Number of seconds before autoblock entries expire
+$wgBlockAllowsUTEdit    = false; # Blocks allow users to edit their own user talk page
+
+# Pages anonymous user may see as an array, e.g.:
+# array ( "Main Page", "Special:Userlogin", "Wikipedia:Help");
+# NOTE: This will only work if $wgGroupPermissions['*']['read']
+# is false -- see below. Otherwise, ALL pages are accessible,
+# regardless of this setting.
+# Also note that this will only protect _pages in the wiki_.
+# Uploaded files will remain readable. Make your upload
+# directory name unguessable, or use .htaccess to protect it.
+$wgWhitelistRead = false;
+
+/** 
+ * Should editors be required to have a validated e-mail
+ * address before being allowed to edit?
+ */
+$wgEmailConfirmToEdit=false;
+
+/**
+ * Permission keys given to users in each group.
+ * All users are implicitly in the '*' group including anonymous visitors;
+ * logged-in users are all implicitly in the 'user' group. These will be
+ * combined with the permissions of all groups that a given user is listed
+ * in in the user_groups table.
+ *
+ * Functionality to make pages inaccessible has not been extensively tested
+ * for security. Use at your own risk!
+ *
+ * This replaces wgWhitelistAccount and wgWhitelistEdit
+ */
+$wgGroupPermissions = array();
+
+// Implicit group for all visitors
+$wgGroupPermissions['*'    ]['createaccount']   = true;
+$wgGroupPermissions['*'    ]['read']            = true;
+$wgGroupPermissions['*'    ]['edit']            = true;
+$wgGroupPermissions['*'    ]['createpage']      = true;
+$wgGroupPermissions['*'    ]['createtalk']      = true;
+
+// Implicit group for all logged-in accounts
+$wgGroupPermissions['user' ]['move']            = true;
+$wgGroupPermissions['user' ]['read']            = true;
+$wgGroupPermissions['user' ]['edit']            = true;
+$wgGroupPermissions['user' ]['createpage']      = true;
+$wgGroupPermissions['user' ]['createtalk']      = true;
+$wgGroupPermissions['user' ]['upload']          = true;
+$wgGroupPermissions['user' ]['reupload']        = true;
+$wgGroupPermissions['user' ]['reupload-shared'] = true;
+$wgGroupPermissions['user' ]['minoredit']       = true;
+
+// Implicit group for accounts that pass $wgAutoConfirmAge
+$wgGroupPermissions['autoconfirmed']['autoconfirmed'] = true;
+
+// Implicit group for accounts with confirmed email addresses
+// This has little use when email address confirmation is off
+$wgGroupPermissions['emailconfirmed']['emailconfirmed'] = true;
+
+// Users with bot privilege can have their edits hidden
+// from various log pages by default
+$wgGroupPermissions['bot'  ]['bot']             = true;
+$wgGroupPermissions['bot'  ]['autoconfirmed']   = true;
+
+// Most extra permission abilities go to this group
+$wgGroupPermissions['sysop']['block']           = true;
+$wgGroupPermissions['sysop']['createaccount']   = true;
+$wgGroupPermissions['sysop']['delete']          = true;
+$wgGroupPermissions['sysop']['deletedhistory']  = true; // can view deleted history entries, but not see or restore the text
+$wgGroupPermissions['sysop']['editinterface']   = true;
+$wgGroupPermissions['sysop']['import']          = true;
+$wgGroupPermissions['sysop']['importupload']    = true;
+$wgGroupPermissions['sysop']['move']            = true;
+$wgGroupPermissions['sysop']['patrol']          = true;
+$wgGroupPermissions['sysop']['protect']         = true;
+$wgGroupPermissions['sysop']['proxyunbannable'] = true;
+$wgGroupPermissions['sysop']['rollback']        = true;
+$wgGroupPermissions['sysop']['trackback']       = true;
+$wgGroupPermissions['sysop']['upload']          = true;
+$wgGroupPermissions['sysop']['reupload']        = true;
+$wgGroupPermissions['sysop']['reupload-shared'] = true;
+$wgGroupPermissions['sysop']['unwatchedpages']	= true;
+$wgGroupPermissions['sysop']['autoconfirmed']   = true;
+
+// Permission to change users' group assignments
+$wgGroupPermissions['bureaucrat']['userrights'] = true;
+
+// Experimental permissions, not ready for production use
+//$wgGroupPermissions['sysop']['deleterevision'] = true;
+//$wgGroupPermissions['bureaucrat']['hiderevision'] = true;
+
+/**
+ * The developer group is deprecated, but can be activated if need be
+ * to use the 'lockdb' and 'unlockdb' special pages. Those require
+ * that a lock file be defined and creatable/removable by the web
+ * server.
+ */
+# $wgGroupPermissions['developer']['siteadmin'] = true;
+
+/**
+ * Set of available actions that can be restricted via Special:Protect
+ * You probably shouldn't change this.
+ * Translated trough restriction-* messages.
+ */
+$wgRestrictionTypes = array( 'edit', 'move' );
+
+/**
+ * Set of permission keys that can be selected via Special:Protect.
+ * 'autoconfirm' allows all registerd users if $wgAutoConfirmAge is 0.
+ */
+$wgRestrictionLevels = array( '', 'autoconfirmed', 'sysop' );
+
+
+/**
+ * Number of seconds an account is required to age before
+ * it's given the implicit 'autoconfirm' group membership.
+ * This can be used to limit privileges of new accounts.
+ *
+ * Accounts created by earlier versions of the software
+ * may not have a recorded creation date, and will always
+ * be considered to pass the age test.
+ *
+ * When left at 0, all registered accounts will pass.
+ */
+$wgAutoConfirmAge = 0;
+//$wgAutoConfirmAge = 600;     // ten minutes
+//$wgAutoConfirmAge = 3600*24; // one day
+
+
+
+# Proxy scanner settings
+#
+
+/**
+ * If you enable this, every editor's IP address will be scanned for open HTTP
+ * proxies.
+ *
+ * Don't enable this. Many sysops will report "hostile TCP port scans" to your
+ * ISP and ask for your server to be shut down.
+ *
+ * You have been warned.
+ */
+$wgBlockOpenProxies = false;
+/** Port we want to scan for a proxy */
+$wgProxyPorts = array( 80, 81, 1080, 3128, 6588, 8000, 8080, 8888, 65506 );
+/** Script used to scan */
+$wgProxyScriptPath = "$IP/proxy_check.php";
+/** */
+$wgProxyMemcExpiry = 86400;
+/** This should always be customised in LocalSettings.php */
+$wgSecretKey = false;
+/** big list of banned IP addresses, in the keys not the values */
+$wgProxyList = array();
+/** deprecated */
+$wgProxyKey = false;
+
+/** Number of accounts each IP address may create, 0 to disable.
+ * Requires memcached */
+$wgAccountCreationThrottle = 0;
+
+# Client-side caching:
+
+/** Allow client-side caching of pages */
+$wgCachePages       = true;
+
+/**
+ * Set this to current time to invalidate all prior cached pages. Affects both
+ * client- and server-side caching.
+ * You can get the current date on your server by using the command:
+ *   date +%Y%m%d%H%M%S
+ */
+$wgCacheEpoch = '20030516000000';
+
+
+# Server-side caching:
+
+/**
+ * This will cache static pages for non-logged-in users to reduce
+ * database traffic on public sites.
+ * Must set $wgShowIPinHeader = false
+ */
+$wgUseFileCache = false;
+/** Directory where the cached page will be saved */
+$wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
+
+/**
+ * When using the file cache, we can store the cached HTML gzipped to save disk
+ * space. Pages will then also be served compressed to clients that support it.
+ * THIS IS NOT COMPATIBLE with ob_gzhandler which is now enabled if supported in
+ * the default LocalSettings.php! If you enable this, remove that setting first.
+ *
+ * Requires zlib support enabled in PHP.
+ */
+$wgUseGzip = false;
+
+# Email notification settings
+#
+
+/** For email notification on page changes */
+$wgPasswordSender = $wgEmergencyContact;
+
+# true: from page editor if s/he opted-in
+# false: Enotif mails appear to come from $wgEmergencyContact
+$wgEnotifFromEditor	= false;
+
+// TODO move UPO to preferences probably ?
+# If set to true, users get a corresponding option in their preferences and can choose to enable or disable at their discretion
+# If set to false, the corresponding input form on the user preference page is suppressed
+# It call this to be a "user-preferences-option (UPO)"
+$wgEmailAuthentication				= true; # UPO (if this is set to false, texts referring to authentication are suppressed)
+$wgEnotifWatchlist		= false; # UPO
+$wgEnotifUserTalk		= false;	# UPO
+$wgEnotifRevealEditorAddress	= false;	# UPO; reply-to address may be filled with page editor's address (if user allowed this in the preferences)
+$wgEnotifMinorEdits		= true;	# UPO; false: "minor edits" on pages do not trigger notification mails.
+#							# Attention: _every_ change on a user_talk page trigger a notification mail (if the user is not yet notified)
+
+
+/** Show watching users in recent changes, watchlist and page history views */
+$wgRCShowWatchingUsers 				= false; # UPO
+/** Show watching users in Page views */
+$wgPageShowWatchingUsers 			= false;
+/**
+ * Show "Updated (since my last visit)" marker in RC view, watchlist and history
+ * view for watched pages with new changes */
+$wgShowUpdatedMarker 				= true;
+
+$wgCookieExpiration = 2592000;
+
+/** Clock skew or the one-second resolution of time() can occasionally cause cache
+ * problems when the user requests two pages within a short period of time. This
+ * variable adds a given number of seconds to vulnerable timestamps, thereby giving
+ * a grace period.
+ */
+$wgClockSkewFudge = 5;
+
+# Squid-related settings
+#
+
+/** Enable/disable Squid */
+$wgUseSquid = false;
+
+/** If you run Squid3 with ESI support, enable this (default:false): */
+$wgUseESI = false;
+
+/** Internal server name as known to Squid, if different */
+# $wgInternalServer = 'http://yourinternal.tld:8000';
+$wgInternalServer = $wgServer;
+
+/**
+ * Cache timeout for the squid, will be sent as s-maxage (without ESI) or
+ * Surrogate-Control (with ESI). Without ESI, you should strip out s-maxage in
+ * the Squid config. 18000 seconds = 5 hours, more cache hits with 2678400 = 31
+ * days
+ */
+$wgSquidMaxage = 18000;
+
+/**
+ * A list of proxy servers (ips if possible) to purge on changes don't specify
+ * ports here (80 is default)
+ */
+# $wgSquidServers = array('127.0.0.1');
+$wgSquidServers = array();
+$wgSquidServersNoPurge = array();
+
+/** Maximum number of titles to purge in any one client operation */
+$wgMaxSquidPurgeTitles = 400;
+
+/** HTCP multicast purging */
+$wgHTCPPort = 4827;
+$wgHTCPMulticastTTL = 1;
+# $wgHTCPMulticastAddress = "224.0.0.85";
+
+# Cookie settings:
+#
+/**
+ * Set to set an explicit domain on the login cookies eg, "justthis.domain. org"
+ * or ".any.subdomain.net"
+ */
+$wgCookieDomain = '';
+$wgCookiePath = '/';
+$wgCookieSecure = ($wgProto == 'https');
+$wgDisableCookieCheck = false;
+
+/** Override to customise the session name */
+$wgSessionName = false;
+
+/**  Whether to allow inline image pointing to other websites */
+$wgAllowExternalImages = false;
+
+/** If the above is false, you can specify an exception here. Image URLs
+  * that start with this string are then rendered, while all others are not.
+  * You can use this to set up a trusted, simple repository of images.
+  *
+  * Example:
+  * $wgAllowExternalImagesFrom = 'http://127.0.0.1/';
+  */
+$wgAllowExternalImagesFrom = '';
+
+/** Disable database-intensive features */
+$wgMiserMode = false;
+/** Disable all query pages if miser mode is on, not just some */
+$wgDisableQueryPages = false;
+/** Generate a watchlist once every hour or so */
+$wgUseWatchlistCache = false;
+/** The hour or so mentioned above */
+$wgWLCacheTimeout = 3600;
+/** Number of links to a page required before it is deemed "wanted" */
+$wgWantedPagesThreshold = 1;
+/** Enable slow parser functions */
+$wgAllowSlowParserFunctions = false;
+
+/**
+ * To use inline TeX, you need to compile 'texvc' (in the 'math' subdirectory of
+ * the MediaWiki package and have latex, dvips, gs (ghostscript), andconvert
+ * (ImageMagick) installed and available in the PATH.
+ * Please see math/README for more information.
+ */
+$wgUseTeX = false;
+/** Location of the texvc binary */
+$wgTexvc = './math/texvc';
+
+#
+# Profiling / debugging
+#
+# You have to create a 'profiling' table in your database before using
+# profiling see maintenance/archives/patch-profiling.sql .
+
+/** Enable for more detailed by-function times in debug log */
+$wgProfiling = false;
+/** Only record profiling info for pages that took longer than this */
+$wgProfileLimit = 0.0;
+/** Don't put non-profiling info into log file */
+$wgProfileOnly = false;
+/** Log sums from profiling into "profiling" table in db. */
+$wgProfileToDatabase = false;
+/** Only profile every n requests when profiling is turned on */
+$wgProfileSampleRate = 1;
+/** If true, print a raw call tree instead of per-function report */
+$wgProfileCallTree = false;
+/** If not empty, specifies profiler type to load */
+$wgProfilerType = '';
+/** Should application server host be put into profiling table */
+$wgProfilePerHost = false;
+
+/** Settings for UDP profiler */
+$wgUDPProfilerHost = '127.0.0.1';
+$wgUDPProfilerPort = '3811';
+
+/** Detects non-matching wfProfileIn/wfProfileOut calls */
+$wgDebugProfiling = false;
+/** Output debug message on every wfProfileIn/wfProfileOut */
+$wgDebugFunctionEntry = 0;
+/** Lots of debugging output from SquidUpdate.php */
+$wgDebugSquid = false;
+
+$wgDisableCounters = false;
+$wgDisableTextSearch = false;
+$wgDisableSearchContext = false;
+/**
+ * If you've disabled search semi-permanently, this also disables updates to the
+ * table. If you ever re-enable, be sure to rebuild the search table.
+ */
+$wgDisableSearchUpdate = false;
+/** Uploads have to be specially set up to be secure */
+$wgEnableUploads = false;
+/**
+ * Show EXIF data, on by default if available.
+ * Requires PHP's EXIF extension: http://www.php.net/manual/en/ref.exif.php
+ */
+$wgShowEXIF = function_exists( 'exif_read_data' );
+
+/**
+ * Set to true to enable the upload _link_ while local uploads are disabled.
+ * Assumes that the special page link will be bounced to another server where
+ * uploads do work.
+ */
+$wgRemoteUploads = false;
+$wgDisableAnonTalk = false;
+/**
+ * Do DELETE/INSERT for link updates instead of incremental
+ */
+$wgUseDumbLinkUpdate = false;
+
+/**
+ * Anti-lock flags - bitfield
+ *   ALF_PRELOAD_LINKS
+ *       Preload links during link update for save
+ *   ALF_PRELOAD_EXISTENCE
+ *       Preload cur_id during replaceLinkHolders
+ *   ALF_NO_LINK_LOCK
+ *       Don't use locking reads when updating the link table. This is
+ *       necessary for wikis with a high edit rate for performance
+ *       reasons, but may cause link table inconsistency
+ *   ALF_NO_BLOCK_LOCK
+ *       As for ALF_LINK_LOCK, this flag is a necessity for high-traffic
+ *       wikis.
+ */
+$wgAntiLockFlags = 0;
+
+/**
+ * Path to the GNU diff3 utility. If the file doesn't exist, edit conflicts will
+ * fall back to the old behaviour (no merging).
+ */
+$wgDiff3 = '/usr/bin/diff3';
+
+/**
+ * We can also compress text in the old revisions table. If this is set on, old
+ * revisions will be compressed on page save if zlib support is available. Any
+ * compressed revisions will be decompressed on load regardless of this setting
+ * *but will not be readable at all* if zlib support is not available.
+ */
+$wgCompressRevisions = false;
+
+/**
+ * This is the list of preferred extensions for uploading files. Uploading files
+ * with extensions not in this list will trigger a warning.
+ */
+$wgFileExtensions = array( 'png', 'gif', 'jpg', 'jpeg' );
+
+/** Files with these extensions will never be allowed as uploads. */
+$wgFileBlacklist = array(
+	# HTML may contain cookie-stealing JavaScript and web bugs
+	'html', 'htm', 'js', 'jsb',
+	# PHP scripts may execute arbitrary code on the server
+	'php', 'phtml', 'php3', 'php4', 'phps',
+	# Other types that may be interpreted by some servers
+	'shtml', 'jhtml', 'pl', 'py', 'cgi',
+	# May contain harmful executables for Windows victims
+	'exe', 'scr', 'dll', 'msi', 'vbs', 'bat', 'com', 'pif', 'cmd', 'vxd', 'cpl' );
+
+/** Files with these mime types will never be allowed as uploads
+ * if $wgVerifyMimeType is enabled.
+ */
+$wgMimeTypeBlacklist= array(
+	# HTML may contain cookie-stealing JavaScript and web bugs
+	'text/html', 'text/javascript', 'text/x-javascript',  'application/x-shellscript',
+	# PHP scripts may execute arbitrary code on the server
+	'application/x-php', 'text/x-php',
+	# Other types that may be interpreted by some servers
+	'text/x-python', 'text/x-perl', 'text/x-bash', 'text/x-sh', 'text/x-csh',
+	# Windows metafile, client-side vulnerability on some systems
+	'application/x-msmetafile'
+);
+
+/** This is a flag to determine whether or not to check file extensions on upload. */
+$wgCheckFileExtensions = true;
+
+/**
+ * If this is turned off, users may override the warning for files not covered
+ * by $wgFileExtensions.
+ */
+$wgStrictFileExtensions = true;
+
+/** Warn if uploaded files are larger than this */
+$wgUploadSizeWarning = 150 * 1024;
+
+/** For compatibility with old installations set to false */
+$wgPasswordSalt = true;
+
+/** Which namespaces should support subpages?
+ * See Language.php for a list of namespaces.
+ */
+$wgNamespacesWithSubpages = array(
+	NS_TALK           => true,
+	NS_USER           => true,
+	NS_USER_TALK      => true,
+	NS_PROJECT_TALK   => true,
+	NS_IMAGE_TALK     => true,
+	NS_MEDIAWIKI_TALK => true,
+	NS_TEMPLATE_TALK  => true,
+	NS_HELP_TALK      => true,
+	NS_CATEGORY_TALK  => true
+);
+
+$wgNamespacesToBeSearchedDefault = array(
+	NS_MAIN           => true,
+);
+
+/** If set, a bold ugly notice will show up at the top of every page. */
+$wgSiteNotice = '';
+
+
+#
+# Images settings
+#
+
+/** dynamic server side image resizing ("Thumbnails") */
+$wgUseImageResize		= false;
+
+/**
+ * Resizing can be done using PHP's internal image libraries or using
+ * ImageMagick or another third-party converter, e.g. GraphicMagick.
+ * These support more file formats than PHP, which only supports PNG,
+ * GIF, JPG, XBM and WBMP.
+ *
+ * Use Image Magick instead of PHP builtin functions.
+ */
+$wgUseImageMagick		= false;
+/** The convert command shipped with ImageMagick */
+$wgImageMagickConvertCommand    = '/usr/bin/convert';
+
+/**
+ * Use another resizing converter, e.g. GraphicMagick
+ * %s will be replaced with the source path, %d with the destination
+ * %w and %h will be replaced with the width and height
+ *
+ * An example is provided for GraphicMagick
+ * Leave as false to skip this
+ */
+#$wgCustomConvertCommand = "gm convert %s -resize %wx%h %d"
+$wgCustomConvertCommand = false;
+
+# Scalable Vector Graphics (SVG) may be uploaded as images.
+# Since SVG support is not yet standard in browsers, it is
+# necessary to rasterize SVGs to PNG as a fallback format.
+#
+# An external program is required to perform this conversion:
+$wgSVGConverters = array(
+	'ImageMagick' => '$path/convert -background white -geometry $width $input $output',
+	'sodipodi' => '$path/sodipodi -z -w $width -f $input -e $output',
+	'inkscape' => '$path/inkscape -z -w $width -f $input -e $output',
+	'batik' => 'java -Djava.awt.headless=true -jar $path/batik-rasterizer.jar -w $width -d $output $input',
+	'rsvg' => '$path/rsvg -w$width -h$height $input $output',
+	);
+/** Pick one of the above */
+$wgSVGConverter = 'ImageMagick';
+/** If not in the executable PATH, specify */
+$wgSVGConverterPath = '';
+/** Don't scale a SVG larger than this */
+$wgSVGMaxSize = 1024;
+/**
+ * Don't thumbnail an image if it will use too much working memory
+ * Default is 50 MB if decompressed to RGBA form, which corresponds to
+ * 12.5 million pixels or 3500x3500
+ */
+$wgMaxImageArea = 1.25e7;
+/**
+ * If rendered thumbnail files are older than this timestamp, they
+ * will be rerendered on demand as if the file didn't already exist.
+ * Update if there is some need to force thumbs and SVG rasterizations
+ * to rerender, such as fixes to rendering bugs.
+ */
+$wgThumbnailEpoch = '20030516000000';
+
+/**
+ * If set, inline scaled images will still produce <img> tags ready for
+ * output instead of showing an error message.
+ *
+ * This may be useful if errors are transitory, especially if the site
+ * is configured to automatically render thumbnails on request.
+ *
+ * On the other hand, it may obscure error conditions from debugging.
+ * Enable the debug log or the 'thumbnail' log group to make sure errors
+ * are logged to a file for review.
+ */
+$wgIgnoreImageErrors = false;
+
+/**
+ * Allow thumbnail rendering on page view. If this is false, a valid 
+ * thumbnail URL is still output, but no file will be created at 
+ * the target location. This may save some time if you have a 
+ * thumb.php or 404 handler set up which is faster than the regular 
+ * webserver(s).  
+ */
+$wgGenerateThumbnailOnParse = true;
+
+/** Set $wgCommandLineMode if it's not set already, to avoid notices */
+if( !isset( $wgCommandLineMode ) ) {
+	$wgCommandLineMode = false;
+}
+
+
+#
+# Recent changes settings
+#
+
+/** Log IP addresses in the recentchanges table */
+$wgPutIPinRC = true;
+
+/**
+ * Recentchanges items are periodically purged; entries older than this many
+ * seconds will go.
+ * For one week : 7 * 24 * 3600
+ */
+$wgRCMaxAge = 7 * 24 * 3600;
+
+
+# Send RC updates via UDP
+$wgRC2UDPAddress = false;
+$wgRC2UDPPort = false;
+$wgRC2UDPPrefix = '';
+
+#
+# Copyright and credits settings
+#
+
+/** RDF metadata toggles */
+$wgEnableDublinCoreRdf = false;
+$wgEnableCreativeCommonsRdf = false;
+
+/** Override for copyright metadata.
+ * TODO: these options need documentation
+ */
+$wgRightsPage = NULL;
+$wgRightsUrl = NULL;
+$wgRightsText = NULL;
+$wgRightsIcon = NULL;
+
+/** Set this to some HTML to override the rights icon with an arbitrary logo */
+$wgCopyrightIcon = NULL;
+
+/** Set this to true if you want detailed copyright information forms on Upload. */
+$wgUseCopyrightUpload = false;
+
+/** Set this to false if you want to disable checking that detailed copyright
+ * information values are not empty. */
+$wgCheckCopyrightUpload = true;
+
+/**
+ * Set this to the number of authors that you want to be credited below an
+ * article text. Set it to zero to hide the attribution block, and a negative
+ * number (like -1) to show all authors. Note that this will require 2-3 extra
+ * database hits, which can have a not insignificant impact on performance for
+ * large wikis.
+ */
+$wgMaxCredits = 0;
+
+/** If there are more than $wgMaxCredits authors, show $wgMaxCredits of them.
+ * Otherwise, link to a separate credits page. */
+$wgShowCreditsIfMax = true;
+
+
+
+/**
+ * Set this to false to avoid forcing the first letter of links to capitals.
+ * WARNING: may break links! This makes links COMPLETELY case-sensitive. Links
+ * appearing with a capital at the beginning of a sentence will *not* go to the
+ * same place as links in the middle of a sentence using a lowercase initial.
+ */
+$wgCapitalLinks = true;
+
+/**
+ * List of interwiki prefixes for wikis we'll accept as sources for
+ * Special:Import (for sysops). Since complete page history can be imported,
+ * these should be 'trusted'.
+ *
+ * If a user has the 'import' permission but not the 'importupload' permission,
+ * they will only be able to run imports through this transwiki interface.
+ */
+$wgImportSources = array();
+
+/**
+ * Optional default target namespace for interwiki imports.
+ * Can use this to create an incoming "transwiki"-style queue.
+ * Set to numeric key, not the name.
+ *
+ * Users may override this in the Special:Import dialog.
+ */
+$wgImportTargetNamespace = null;
+
+/**
+ * If set to false, disables the full-history option on Special:Export.
+ * This is currently poorly optimized for long edit histories, so is
+ * disabled on Wikimedia's sites.
+ */
+$wgExportAllowHistory = true;
+
+/**
+ * If set nonzero, Special:Export requests for history of pages with
+ * more revisions than this will be rejected. On some big sites things
+ * could get bogged down by very very long pages.
+ */
+$wgExportMaxHistory = 0;
+
+$wgExportAllowListContributors = false ;
+
+
+/** Text matching this regular expression will be recognised as spam
+ * See http://en.wikipedia.org/wiki/Regular_expression */
+$wgSpamRegex = false;
+/** Similarly if this function returns true */
+$wgFilterCallback = false;
+
+/** Go button goes straight to the edit screen if the article doesn't exist. */
+$wgGoToEdit = false;
+
+/** Allow limited user-specified HTML in wiki pages?
+ * It  will be run through a whitelist for security. Set this to false if you
+ * want wiki pages to consist only of wiki markup. Note that replacements do not
+ * yet exist for all HTML constructs.*/
+$wgUserHtml = true;
+
+/** Allow raw, unchecked HTML in <html>...</html> sections.
+ * THIS IS VERY DANGEROUS on a publically editable site, so USE wgGroupPermissions
+ * TO RESTRICT EDITING to only those that you trust
+ */
+$wgRawHtml = false;
+
+/**
+ * $wgUseTidy: use tidy to make sure HTML output is sane.
+ * This should only be enabled if $wgUserHtml is true.
+ * tidy is a free tool that fixes broken HTML.
+ * See http://www.w3.org/People/Raggett/tidy/
+ * $wgTidyBin should be set to the path of the binary and
+ * $wgTidyConf to the path of the configuration file.
+ * $wgTidyOpts can include any number of parameters.
+ *
+ * $wgTidyInternal controls the use of the PECL extension to use an in-
+ *   process tidy library instead of spawning a separate program.
+ *   Normally you shouldn't need to override the setting except for
+ *   debugging. To install, use 'pear install tidy' and add a line
+ *   'extension=tidy.so' to php.ini.
+ */
+$wgUseTidy = false;
+$wgAlwaysUseTidy = false;
+$wgTidyBin = 'tidy';
+$wgTidyConf = $IP.'/extensions/tidy/tidy.conf';
+$wgTidyOpts = '';
+$wgTidyInternal = function_exists( 'tidy_load_config' );
+
+/** See list of skins and their symbolic names in languages/Language.php */
+$wgDefaultSkin = 'monobook';
+
+/**
+ * Settings added to this array will override the language globals for the user
+ * preferences used by anonymous visitors and newly created accounts. (See names
+ * and sample values in languages/Language.php)
+ * For instance, to disable section editing links:
+ *  $wgDefaultUserOptions ['editsection'] = 0;
+ *
+ */
+$wgDefaultUserOptions = array();
+
+/** Whether or not to allow and use real name fields. Defaults to true. */
+$wgAllowRealName = true;
+
+/** Use XML parser? */
+$wgUseXMLparser = false ;
+
+/*****************************************************************************
+ *  Extensions 
+ */
+
+/**
+ * A list of callback functions which are called once MediaWiki is fully initialised
+ */
+$wgExtensionFunctions = array();
+
+/**
+ * Extension functions for initialisation of skins. This is called somewhat earlier 
+ * than $wgExtensionFunctions.
+ */
+$wgSkinExtensionFunctions = array();
+
+/**
+ * List of valid skin names.
+ * The key should be the name in all lower case, the value should be a display name.
+ * The default skins will be added later, by Skin::getSkinNames(). Use 
+ * Skin::getSkinNames() as an accessor if you wish to have access to the full list.
+ */
+$wgValidSkinNames = array();
+
+/**
+ * Special page list.
+ * See the top of SpecialPage.php for documentation.
+ */
+$wgSpecialPages = array(); 
+
+/**
+ * Array mapping class names to filenames, for autoloading.
+ */
+$wgAutoloadClasses = array();
+
+/**
+ * An array of extension types and inside that their names, versions, authors
+ * and urls, note that the version and url key can be omitted.
+ *
+ * <code>
+ * $wgExtensionCredits[$type][] = array(
+ * 	'name' => 'Example extension',
+ *      'version' => 1.9,
+ *	'author' => 'Foo Barstein',
+ *	'url' => 'http://wwww.example.com/Example%20Extension/',
+ * );
+ * </code>
+ *
+ * Where $type is 'specialpage', 'parserhook', or 'other'.
+ */
+$wgExtensionCredits = array();
+/*
+ * end extensions
+ ******************************************************************************/
+
+/**
+ * Allow user Javascript page?
+ * This enables a lot of neat customizations, but may
+ * increase security risk to users and server load.
+ */
+$wgAllowUserJs = false;
+
+/**
+ * Allow user Cascading Style Sheets (CSS)?
+ * This enables a lot of neat customizations, but may
+ * increase security risk to users and server load.
+ */
+$wgAllowUserCss = false;
+
+/** Use the site's Javascript page? */
+$wgUseSiteJs = true;
+
+/** Use the site's Cascading Style Sheets (CSS)? */
+$wgUseSiteCss = true;
+
+/** Filter for Special:Randompage. Part of a WHERE clause */
+$wgExtraRandompageSQL = false;
+
+/** Allow the "info" action, very inefficient at the moment */
+$wgAllowPageInfo = false;
+
+/** Maximum indent level of toc. */
+$wgMaxTocLevel = 999;
+
+/** Name of the external diff engine to use */
+$wgExternalDiffEngine = false;
+
+/** Use RC Patrolling to check for vandalism */
+$wgUseRCPatrol = true;
+
+/** Set maximum number of results to return in syndication feeds (RSS, Atom) for
+ * eg Recentchanges, Newpages. */
+$wgFeedLimit = 50;
+
+/** _Minimum_ timeout for cached Recentchanges feed, in seconds.
+ * A cached version will continue to be served out even if changes
+ * are made, until this many seconds runs out since the last render.
+ *
+ * If set to 0, feed caching is disabled. Use this for debugging only;
+ * feed generation can be pretty slow with diffs.
+ */
+$wgFeedCacheTimeout = 60;
+
+/** When generating Recentchanges RSS/Atom feed, diffs will not be generated for
+ * pages larger than this size. */
+$wgFeedDiffCutoff = 32768;
+
+
+/**
+ * Additional namespaces. If the namespaces defined in Language.php and
+ * Namespace.php are insufficient, you can create new ones here, for example,
+ * to import Help files in other languages.
+ * PLEASE  NOTE: Once you delete a namespace, the pages in that namespace will
+ * no longer be accessible. If you rename it, then you can access them through
+ * the new namespace name.
+ *
+ * Custom namespaces should start at 100 to avoid conflicting with standard
+ * namespaces, and should always follow the even/odd main/talk pattern.
+ */
+#$wgExtraNamespaces =
+#	array(100 => "Hilfe",
+#	      101 => "Hilfe_Diskussion",
+#	      102 => "Aide",
+#	      103 => "Discussion_Aide"
+#	      );
+$wgExtraNamespaces = NULL;
+
+/**
+ * Limit images on image description pages to a user-selectable limit. In order
+ * to reduce disk usage, limits can only be selected from a list. This is the
+ * list of settings the user can choose from:
+ */
+$wgImageLimits = array (
+	array(320,240),
+	array(640,480),
+	array(800,600),
+	array(1024,768),
+	array(1280,1024),
+	array(10000,10000) );
+
+/**
+ * Adjust thumbnails on image pages according to a user setting. In order to
+ * reduce disk usage, the values can only be selected from a list. This is the
+ * list of settings the user can choose from:
+ */
+$wgThumbLimits = array(
+	120,
+	150,
+	180,
+	200,
+	250,
+	300
+);
+
+/**
+ *  On  category pages, show thumbnail gallery for images belonging to that
+ * category instead of listing them as articles.
+ */
+$wgCategoryMagicGallery = true;
+
+/**
+ * Paging limit for categories
+ */
+$wgCategoryPagingLimit = 200;
+
+/**
+ * Browser Blacklist for unicode non compliant browsers
+ * Contains a list of regexps : "/regexp/"  matching problematic browsers
+ */
+$wgBrowserBlackList = array(
+	/**
+	 * Netscape 2-4 detection
+	 * The minor version may contain strings such as "Gold" or "SGoldC-SGI"
+	 * Lots of non-netscape user agents have "compatible", so it's useful to check for that
+	 * with a negative assertion. The [UIN] identifier specifies the level of security 
+	 * in a Netscape/Mozilla browser, checking for it rules out a number of fakers. 
+	 * The language string is unreliable, it is missing on NS4 Mac.
+	 * 
+	 * Reference: http://www.psychedelix.com/agents/index.shtml
+	 */
+	'/^Mozilla\/2\.[^ ]+ .*?\((?!compatible).*; [UIN]/',
+	'/^Mozilla\/3\.[^ ]+ .*?\((?!compatible).*; [UIN]/',
+	'/^Mozilla\/4\.[^ ]+ .*?\((?!compatible).*; [UIN]/',
+	
+	/**
+	 * MSIE on Mac OS 9 is teh sux0r, converts þ to <thorn>, ð to <eth>, Þ to <THORN> and Ð to <ETH>
+	 *
+	 * Known useragents:
+	 * - Mozilla/4.0 (compatible; MSIE 5.0; Mac_PowerPC)
+	 * - Mozilla/4.0 (compatible; MSIE 5.15; Mac_PowerPC)
+	 * - Mozilla/4.0 (compatible; MSIE 5.23; Mac_PowerPC)
+	 * - [...]
+	 *
+	 * @link http://en.wikipedia.org/w/index.php?title=User%3A%C6var_Arnfj%F6r%F0_Bjarmason%2Ftestme&diff=12356041&oldid=12355864
+	 * @link http://en.wikipedia.org/wiki/Template%3AOS9
+	 */
+	'/^Mozilla\/4\.0 \(compatible; MSIE \d+\.\d+; Mac_PowerPC\)/'
+);
+
+/**
+ * Fake out the timezone that the server thinks it's in. This will be used for
+ * date display and not for what's stored in the DB. Leave to null to retain
+ * your server's OS-based timezone value. This is the same as the timezone.
+ *
+ * This variable is currently used ONLY for signature formatting, not for
+ * anything else.
+ */
+# $wgLocaltimezone = 'GMT';
+# $wgLocaltimezone = 'PST8PDT';
+# $wgLocaltimezone = 'Europe/Sweden';
+# $wgLocaltimezone = 'CET';
+$wgLocaltimezone = null;
+
+/**
+ * Set an offset from UTC in minutes to use for the default timezone setting
+ * for anonymous users and new user accounts.
+ *
+ * This setting is used for most date/time displays in the software, and is
+ * overrideable in user preferences. It is *not* used for signature timestamps.
+ *
+ * You can set it to match the configured server timezone like this:
+ *   $wgLocalTZoffset = date("Z") / 60;
+ *
+ * If your server is not configured for the timezone you want, you can set
+ * this in conjunction with the signature timezone and override the TZ
+ * environment variable like so:
+ *   $wgLocaltimezone="Europe/Berlin";
+ *   putenv("TZ=$wgLocaltimezone");
+ *   $wgLocalTZoffset = date("Z") / 60;
+ *
+ * Leave at NULL to show times in universal time (UTC/GMT).
+ */
+$wgLocalTZoffset = null;
+
+
+/**
+ * When translating messages with wfMsg(), it is not always clear what should be
+ * considered UI messages and what shoud be content messages.
+ *
+ * For example, for regular wikipedia site like en, there should be only one
+ * 'mainpage', therefore when getting the link of 'mainpage', we should treate
+ * it as content of the site and call wfMsgForContent(), while for rendering the
+ * text of the link, we call wfMsg(). The code in default behaves this way.
+ * However, sites like common do offer different versions of 'mainpage' and the
+ * like for different languages. This array provides a way to override the
+ * default behavior. For example, to allow language specific mainpage and
+ * community portal, set
+ *
+ * $wgForceUIMsgAsContentMsg = array( 'mainpage', 'portal-url' );
+ */
+$wgForceUIMsgAsContentMsg = array();
+
+
+/**
+ * Authentication plugin.
+ */
+$wgAuth = null;
+
+/**
+ * Global list of hooks.
+ * Add a hook by doing:
+ *     $wgHooks['event_name'][] = $function;
+ * or:
+ *     $wgHooks['event_name'][] = array($function, $data);
+ * or:
+ *     $wgHooks['event_name'][] = array($object, 'method');
+ */
+$wgHooks = array();
+
+/**
+ * The logging system has two levels: an event type, which describes the
+ * general category and can be viewed as a named subset of all logs; and
+ * an action, which is a specific kind of event that can exist in that
+ * log type.
+ */
+$wgLogTypes = array( '',
+	'block',
+	'protect',
+	'rights',
+	'delete',
+	'upload',
+	'move',
+	'import' );
+
+/**
+ * Lists the message key string for each log type. The localized messages
+ * will be listed in the user interface.
+ *
+ * Extensions with custom log types may add to this array.
+ */
+$wgLogNames = array(
+	''        => 'log',
+	'block'   => 'blocklogpage',
+	'protect' => 'protectlogpage',
+	'rights'  => 'rightslog',
+	'delete'  => 'dellogpage',
+	'upload'  => 'uploadlogpage',
+	'move'    => 'movelogpage',
+	'import'  => 'importlogpage' );
+
+/**
+ * Lists the message key string for descriptive text to be shown at the
+ * top of each log type.
+ *
+ * Extensions with custom log types may add to this array.
+ */
+$wgLogHeaders = array(
+	''        => 'alllogstext',
+	'block'   => 'blocklogtext',
+	'protect' => 'protectlogtext',
+	'rights'  => 'rightslogtext',
+	'delete'  => 'dellogpagetext',
+	'upload'  => 'uploadlogpagetext',
+	'move'    => 'movelogpagetext',
+	'import'  => 'importlogpagetext', );
+
+/**
+ * Lists the message key string for formatting individual events of each
+ * type and action when listed in the logs.
+ *
+ * Extensions with custom log types may add to this array.
+ */
+$wgLogActions = array(
+	'block/block'       => 'blocklogentry',
+	'block/unblock'     => 'unblocklogentry',
+	'protect/protect'   => 'protectedarticle',
+	'protect/unprotect' => 'unprotectedarticle',
+	'rights/rights'     => 'rightslogentry',
+	'delete/delete'     => 'deletedarticle',
+	'delete/restore'    => 'undeletedarticle',
+	'delete/revision'   => 'revdelete-logentry',
+	'upload/upload'     => 'uploadedimage',
+	'upload/revert'     => 'uploadedimage',
+	'move/move'         => '1movedto2',
+	'move/move_redir'   => '1movedto2_redir',
+	'import/upload'     => 'import-logentry-upload',
+	'import/interwiki'  => 'import-logentry-interwiki' );
+
+/**
+ * Experimental preview feature to fetch rendered text
+ * over an XMLHttpRequest from JavaScript instead of
+ * forcing a submit and reload of the whole page.
+ * Leave disabled unless you're testing it.
+ */
+$wgLivePreview = false;
+
+/**
+ * Disable the internal MySQL-based search, to allow it to be
+ * implemented by an extension instead.
+ */
+$wgDisableInternalSearch = false;
+
+/**
+ * Set this to a URL to forward search requests to some external location.
+ * If the URL includes '$1', this will be replaced with the URL-encoded
+ * search term.
+ *
+ * For example, to forward to Google you'd have something like:
+ * $wgSearchForwardUrl = 'http://www.google.com/search?q=$1' .
+ *                       '&domains=http://example.com' .
+ *                       '&sitesearch=http://example.com' .
+ *                       '&ie=utf-8&oe=utf-8';
+ */
+$wgSearchForwardUrl = null;
+
+/**
+ * If true, external URL links in wiki text will be given the
+ * rel="nofollow" attribute as a hint to search engines that
+ * they should not be followed for ranking purposes as they
+ * are user-supplied and thus subject to spamming.
+ */
+$wgNoFollowLinks = true;
+
+/**
+ * Namespaces in which $wgNoFollowLinks doesn't apply.
+ * See Language.php for a list of namespaces.
+ */
+$wgNoFollowNsExceptions = array();
+
+/**
+ * Robot policies for namespaces
+ * e.g. $wgNamespaceRobotPolicies = array( NS_TALK => 'noindex' );
+ */
+$wgNamespaceRobotPolicies = array();
+
+/**
+ * Specifies the minimal length of a user password. If set to
+ * 0, empty passwords are allowed.
+ */
+$wgMinimalPasswordLength = 0;
+
+/**
+ * Activate external editor interface for files and pages
+ * See http://meta.wikimedia.org/wiki/Help:External_editors
+ */
+$wgUseExternalEditor = true;
+
+/** Whether or not to sort special pages in Special:Specialpages */
+
+$wgSortSpecialPages = true;
+
+/**
+ * Specify the name of a skin that should not be presented in the
+ * list of available skins.
+ * Use for blacklisting a skin which you do not want to remove
+ * from the .../skins/ directory
+ */
+$wgSkipSkin = '';
+$wgSkipSkins = array(); # More of the same
+
+/**
+ * Array of disabled article actions, e.g. view, edit, dublincore, delete, etc.
+ */
+$wgDisabledActions = array();
+
+/**
+ * Disable redirects to special pages and interwiki redirects, which use a 302 and have no "redirected from" link
+ */
+$wgDisableHardRedirects = false;
+
+/**
+ * Use http.dnsbl.sorbs.net to check for open proxies
+ */
+$wgEnableSorbs = false;
+
+/**
+ * Proxy whitelist, list of addresses that are assumed to be non-proxy despite what the other
+ * methods might say
+ */
+$wgProxyWhitelist = array();
+
+/**
+ * Simple rate limiter options to brake edit floods.
+ * Maximum number actions allowed in the given number of seconds;
+ * after that the violating client receives HTTP 500 error pages
+ * until the period elapses.
+ *
+ * array( 4, 60 ) for a maximum of 4 hits in 60 seconds.
+ *
+ * This option set is experimental and likely to change.
+ * Requires memcached.
+ */
+$wgRateLimits = array(
+	'edit' => array(
+		'anon'   => null, // for any and all anonymous edits (aggregate)
+		'user'   => null, // for each logged-in user
+		'newbie' => null, // for each recent account; overrides 'user'
+		'ip'     => null, // for each anon and recent account
+		'subnet' => null, // ... with final octet removed
+		),
+	'move' => array(
+		'user'   => null,
+		'newbie' => null,
+		'ip'     => null,
+		'subnet' => null,
+		),
+	'mailpassword' => array(
+		'anon' => NULL,
+		),
+	);
+
+/**
+ * Set to a filename to log rate limiter hits.
+ */
+$wgRateLimitLog = null;
+
+/**
+ * Array of groups which should never trigger the rate limiter
+ */
+$wgRateLimitsExcludedGroups = array( 'sysop', 'bureaucrat' );
+
+/**
+ * On Special:Unusedimages, consider images "used", if they are put
+ * into a category. Default (false) is not to count those as used.
+ */
+$wgCountCategorizedImagesAsUsed = false;
+
+/**
+ * External stores allow including content
+ * from non database sources following URL links
+ *
+ * Short names of ExternalStore classes may be specified in an array here:
+ * $wgExternalStores = array("http","file","custom")...
+ *
+ * CAUTION: Access to database might lead to code execution
+ */
+$wgExternalStores = false;
+
+/**
+ * An array of external mysql servers, e.g.
+ * $wgExternalServers = array( 'cluster1' => array( 'srv28', 'srv29', 'srv30' ) );
+ */
+$wgExternalServers = array();
+
+/**
+ * The place to put new revisions, false to put them in the local text table.
+ * Part of a URL, e.g. DB://cluster1
+ *
+ * Can be an array instead of a single string, to enable data distribution. Keys 
+ * must be consecutive integers, starting at zero. Example:
+ *
+ * $wgDefaultExternalStore = array( 'DB://cluster1', 'DB://cluster2' );
+ *
+ */
+$wgDefaultExternalStore = false;
+
+/**
+* list of trusted media-types and mime types.
+* Use the MEDIATYPE_xxx constants to represent media types.
+* This list is used by Image::isSafeFile
+*
+* Types not listed here will have a warning about unsafe content
+* displayed on the images description page. It would also be possible
+* to use this for further restrictions, like disabling direct
+* [[media:...]] links for non-trusted formats.
+*/
+$wgTrustedMediaFormats= array(
+	MEDIATYPE_BITMAP, //all bitmap formats
+	MEDIATYPE_AUDIO,  //all audio formats
+	MEDIATYPE_VIDEO,  //all plain video formats
+	"image/svg",  //svg (only needed if inline rendering of svg is not supported)
+	"application/pdf",  //PDF files
+	#"application/x-shockwafe-flash", //flash/shockwave movie
+);
+
+/**
+ * Allow special page inclusions such as {{Special:Allpages}}
+ */
+$wgAllowSpecialInclusion = true;
+
+/**
+ * Timeout for HTTP requests done via CURL
+ */
+$wgHTTPTimeout = 3;
+
+/**
+ * Proxy to use for CURL requests.
+ */
+$wgHTTPProxy = false;
+
+/**
+ * Enable interwiki transcluding.  Only when iw_trans=1.
+ */
+$wgEnableScaryTranscluding = false;
+/**
+ * Expiry time for interwiki transclusion
+ */
+$wgTranscludeCacheExpiry = 3600;
+
+/**
+ * Support blog-style "trackbacks" for articles.  See
+ * http://www.sixapart.com/pronet/docs/trackback_spec for details.
+ */
+$wgUseTrackbacks = false;
+
+/**
+ * Enable filtering of categories in Recentchanges
+ */
+$wgAllowCategorizedRecentChanges = false ;
+
+/**
+ * Number of jobs to perform per request. May be less than one in which case
+ * jobs are performed probabalistically. If this is zero, jobs will not be done
+ * during ordinary apache requests. In this case, maintenance/runJobs.php should
+ * be run periodically.
+ */
+$wgJobRunRate = 1;
+
+/**
+ * Number of rows to update per job
+ */
+$wgUpdateRowsPerJob = 500;
+
+/**
+ * Number of rows to update per query
+ */
+$wgUpdateRowsPerQuery = 10;
+
+/**
+ * Enable use of AJAX features, currently auto suggestion for the search bar
+ */
+$wgUseAjax = false;
+
+/**
+ * List of Ajax-callable functions
+ */
+$wgAjaxExportList = array( 'wfSajaxSearch' );
+
+/**
+ * Allow DISPLAYTITLE to change title display
+ */
+$wgAllowDisplayTitle = false ;
+
+/**
+ * Array of usernames which may not be registered or logged in from
+ * Maintenance scripts can still use these
+ */
+$wgReservedUsernames = array( 'MediaWiki default', 'Conversion script' );
+
+/**
+ * MediaWiki will reject HTMLesque tags in uploaded files due to idiotic browsers which can't
+ * perform basic stuff like MIME detection and which are vulnerable to further idiots uploading
+ * crap files as images. When this directive is on, <title> will be allowed in files with
+ * an "image/svg" MIME type. You should leave this disabled if your web server is misconfigured
+ * and doesn't send appropriate MIME types for SVG images.
+ */
+$wgAllowTitlesInSVG = false;
+
+/**
+ * Array of namespaces which can be deemed to contain valid "content", as far
+ * as the site statistics are concerned. Useful if additional namespaces also
+ * contain "content" which should be considered when generating a count of the
+ * number of articles in the wiki.
+ */
+$wgContentNamespaces = array( NS_MAIN );
+
+/**
+ * Maximum amount of virtual memory available to shell processes under linux, in KB. 
+ */
+$wgMaxShellMemory = 102400;
+
+?>
diff --git a/includes/Defines.php b/includes/Defines.php
new file mode 100644
index 00000000..9ff8303b
--- /dev/null
+++ b/includes/Defines.php
@@ -0,0 +1,183 @@
+<?php
+/**
+ * A few constants that might be needed during LocalSettings.php
+ * @package MediaWiki
+ */
+
+/**
+ * Version constants for the benefit of extensions
+ */
+define( 'MW_SPECIALPAGE_VERSION', 2 );
+
+/**#@+
+ * Database related constants
+ */
+define( 'DBO_DEBUG', 1 );
+define( 'DBO_NOBUFFER', 2 );
+define( 'DBO_IGNORE', 4 );
+define( 'DBO_TRX', 8 );
+define( 'DBO_DEFAULT', 16 );
+define( 'DBO_PERSISTENT', 32 );
+/**#@-*/
+
+/**#@+
+ * Virtual namespaces; don't appear in the page database
+ */
+define('NS_MEDIA', -2);
+define('NS_SPECIAL', -1);
+/**#@-*/
+
+/**#@+
+ * Real namespaces
+ *
+ * Number 100 and beyond are reserved for custom namespaces;
+ * DO NOT assign standard namespaces at 100 or beyond.
+ * DO NOT Change integer values as they are most probably hardcoded everywhere
+ * see bug #696 which talked about that.
+ */
+define('NS_MAIN', 0);
+define('NS_TALK', 1);
+define('NS_USER', 2);
+define('NS_USER_TALK', 3);
+define('NS_PROJECT', 4);
+define('NS_PROJECT_TALK', 5);
+define('NS_IMAGE', 6);
+define('NS_IMAGE_TALK', 7);
+define('NS_MEDIAWIKI', 8);
+define('NS_MEDIAWIKI_TALK', 9);
+define('NS_TEMPLATE', 10);
+define('NS_TEMPLATE_TALK', 11);
+define('NS_HELP', 12);
+define('NS_HELP_TALK', 13);
+define('NS_CATEGORY', 14);
+define('NS_CATEGORY_TALK', 15);
+/**#@-*/
+
+/**
+ * Available feeds objects
+ * Should probably only be defined when a page is syndicated ie when
+ * $wgOut->isSyndicated() is true
+ */
+$wgFeedClasses = array(
+	'rss' => 'RSSFeed',
+	'atom' => 'AtomFeed',
+);
+
+/**#@+
+ * Maths constants
+ */
+define( 'MW_MATH_PNG',    0 );
+define( 'MW_MATH_SIMPLE', 1 );
+define( 'MW_MATH_HTML',   2 );
+define( 'MW_MATH_SOURCE', 3 );
+define( 'MW_MATH_MODERN', 4 );
+define( 'MW_MATH_MATHML', 5 );
+/**#@-*/
+
+/**
+ * User rights management
+ * a big array of string defining a right, that's how they are saved in the
+ * database.
+ * @todo Is this necessary?
+ */
+$wgAvailableRights = array(
+	'block',
+	'bot',
+	'createaccount',
+	'delete',
+	'edit',
+	'editinterface',
+	'import',
+	'importupload',
+	'move',
+	'patrol',
+	'protect',
+	'read',
+	'rollback',
+	'siteadmin',
+	'unwatchedpages',
+	'upload',
+	'userrights',
+);
+
+/**#@+
+ * Cache type
+ */
+define( 'CACHE_ANYTHING', -1 );  // Use anything, as long as it works
+define( 'CACHE_NONE', 0 );       // Do not cache
+define( 'CACHE_DB', 1 );         // Store cache objects in the DB
+define( 'CACHE_MEMCACHED', 2 );  // MemCached, must specify servers in $wgMemCacheServers
+define( 'CACHE_ACCEL', 3 );      // eAccelerator or Turck, whichever is available
+/**#@-*/
+
+
+
+/**#@+
+ * Media types.
+ * This defines constants for the value returned by Image::getMediaType()
+ */
+define( 'MEDIATYPE_UNKNOWN',    'UNKNOWN' );     // unknown format
+define( 'MEDIATYPE_BITMAP',     'BITMAP' );      // some bitmap image or image source (like psd, etc). Can't scale up.
+define( 'MEDIATYPE_DRAWING',    'DRAWING' );     // some vector drawing (SVG, WMF, PS, ...) or image source (oo-draw, etc). Can scale up.
+define( 'MEDIATYPE_AUDIO',      'AUDIO' );       // simple audio file (ogg, mp3, wav, midi, whatever)
+define( 'MEDIATYPE_VIDEO',      'VIDEO' );       // simple video file (ogg, mpg, etc; no not include formats here that may contain executable sections or scripts!)
+define( 'MEDIATYPE_MULTIMEDIA', 'MULTIMEDIA' );  // Scriptable Multimedia (flash, advanced video container formats, etc)
+define( 'MEDIATYPE_OFFICE',     'OFFICE' );      // Office Documents, Spreadsheets (office formats possibly containing apples, scripts, etc)
+define( 'MEDIATYPE_TEXT',       'TEXT' );        // Plain text (possibly containing program code or scripts)
+define( 'MEDIATYPE_EXECUTABLE', 'EXECUTABLE' );  // binary executable
+define( 'MEDIATYPE_ARCHIVE',    'ARCHIVE' );     // archive file (zip, tar, etc)
+/**#@-*/
+
+/**#@+
+ * Antivirus result codes, for use in $wgAntivirusSetup.
+ */
+define( 'AV_NO_VIRUS', 0 );  #scan ok, no virus found
+define( 'AV_VIRUS_FOUND', 1 );  #virus found!
+define( 'AV_SCAN_ABORTED', -1 );  #scan aborted, the file is probably imune
+define( 'AV_SCAN_FAILED', false );  #scan failed (scanner not found or error in scanner)
+/**#@-*/
+
+/**#@+
+ * Anti-lock flags
+ * See DefaultSettings.php for a description
+ */
+define( 'ALF_PRELOAD_LINKS', 1 );
+define( 'ALF_PRELOAD_EXISTENCE', 2 );
+define( 'ALF_NO_LINK_LOCK', 4 );
+define( 'ALF_NO_BLOCK_LOCK', 8 );
+/**#@-*/
+
+/**#@+
+ * Date format selectors; used in user preference storage and by
+ * Language::date() and co.
+ */
+define( 'MW_DATE_DEFAULT', '0' );
+define( 'MW_DATE_MDY', '1' );
+define( 'MW_DATE_DMY', '2' );
+define( 'MW_DATE_YMD', '3' );
+define( 'MW_DATE_ISO', 'ISO 8601' );
+/**#@-*/
+
+/**#@+
+ * RecentChange type identifiers
+ * This may be obsolete; log items are now used for moves?
+ */
+define( 'RC_EDIT', 0);
+define( 'RC_NEW', 1);
+define( 'RC_MOVE', 2);
+define( 'RC_LOG', 3);
+define( 'RC_MOVE_OVER_REDIRECT', 4);
+/**#@-*/
+
+/**#@+
+ * Article edit flags
+ */
+define( 'EDIT_NEW', 1 );
+define( 'EDIT_UPDATE', 2 );
+define( 'EDIT_MINOR', 4 ); 
+define( 'EDIT_SUPPRESS_RC', 8 );
+define( 'EDIT_FORCE_BOT', 16 );
+define( 'EDIT_DEFER_UPDATES', 32 );
+/**#@-*/
+
+?>
diff --git a/includes/DifferenceEngine.php b/includes/DifferenceEngine.php
new file mode 100644
index 00000000..741b7199
--- /dev/null
+++ b/includes/DifferenceEngine.php
@@ -0,0 +1,1751 @@
+<?php
+/**
+ * See diff.doc
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+
+/** */
+define( 'MAX_DIFF_LINE', 10000 );
+define( 'MAX_DIFF_XREF_LENGTH', 10000 );
+
+/**
+ * @todo document
+ * @public
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class DifferenceEngine {
+	/**#@+
+	 * @private
+	 */
+	var $mOldid, $mNewid, $mTitle;
+	var $mOldtitle, $mNewtitle, $mPagetitle;
+	var $mOldtext, $mNewtext;
+	var $mOldPage, $mNewPage;
+	var $mRcidMarkPatrolled;
+	var $mOldRev, $mNewRev;
+	var $mRevisionsLoaded = false; // Have the revisions been loaded
+	var $mTextLoaded = 0; // How many text blobs have been loaded, 0, 1 or 2?
+	/**#@-*/
+
+	/**
+	 * Constructor
+	 * @param $titleObj Title object that the diff is associated with
+	 * @param $old Integer: old ID we want to show and diff with.
+	 * @param $new String: either 'prev' or 'next'.
+	 * @param $rcid Integer: ??? FIXME (default 0)
+	 */
+	function DifferenceEngine( $titleObj = null, $old = 0, $new = 0, $rcid = 0 ) {
+		$this->mTitle = $titleObj;
+		wfDebug("DifferenceEngine old '$old' new '$new' rcid '$rcid'\n");
+
+		if ( 'prev' === $new ) {
+			# Show diff between revision $old and the previous one.
+			# Get previous one from DB.
+			#
+			$this->mNewid = intval($old);
+
+			$this->mOldid = $this->mTitle->getPreviousRevisionID( $this->mNewid );
+
+		} elseif ( 'next' === $new ) {
+			# Show diff between revision $old and the previous one.
+			# Get previous one from DB.
+			#
+			$this->mOldid = intval($old);
+			$this->mNewid = $this->mTitle->getNextRevisionID( $this->mOldid );
+			if ( false === $this->mNewid ) {
+				# if no result, NewId points to the newest old revision. The only newer
+				# revision is cur, which is "0".
+				$this->mNewid = 0;
+			}
+
+		} else {
+			$this->mOldid = intval($old);
+			$this->mNewid = intval($new);
+		}
+		$this->mRcidMarkPatrolled = intval($rcid);  # force it to be an integer
+	}
+
+	function showDiffPage() {
+		global $wgUser, $wgOut, $wgContLang, $wgUseExternalEditor, $wgUseRCPatrol;
+		$fname = 'DifferenceEngine::showDiffPage';
+		wfProfileIn( $fname );
+
+	 	# If external diffs are enabled both globally and for the user,
+		# we'll use the application/x-external-editor interface to call
+		# an external diff tool like kompare, kdiff3, etc.
+		if($wgUseExternalEditor && $wgUser->getOption('externaldiff')) {
+			global $wgInputEncoding,$wgServer,$wgScript,$wgLang;
+			$wgOut->disable();
+			header ( "Content-type: application/x-external-editor; charset=".$wgInputEncoding );
+			$url1=$this->mTitle->getFullURL("action=raw&oldid=".$this->mOldid);
+			$url2=$this->mTitle->getFullURL("action=raw&oldid=".$this->mNewid);
+			$special=$wgLang->getNsText(NS_SPECIAL);
+			$control=<<<CONTROL
+[Process]
+Type=Diff text
+Engine=MediaWiki
+Script={$wgServer}{$wgScript}
+Special namespace={$special}
+
+[File]
+Extension=wiki
+URL=$url1
+
+[File 2]
+Extension=wiki
+URL=$url2
+CONTROL;
+			echo($control);
+			return;
+		}
+
+		$t = $this->mTitle->getPrefixedText() . " (Diff: {$this->mOldid}, " .
+		  "{$this->mNewid})";
+		$mtext = wfMsg( 'missingarticle', "<nowiki>$t</nowiki>" );
+
+		$wgOut->setArticleFlag( false );
+		if ( ! $this->loadRevisionData() ) {
+			$wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) );
+			$wgOut->addWikitext( $mtext );
+			wfProfileOut( $fname );
+			return;
+		}
+		
+		wfRunHooks( 'DiffViewHeader', array( $this, $this->mOldRev, $this->mNewRev ) );
+
+		if ( $this->mNewRev->isCurrent() ) {
+			$wgOut->setArticleFlag( true );
+		}
+
+		# mOldid is false if the difference engine is called with a "vague" query for
+		# a diff between a version V and its previous version V' AND the version V
+		# is the first version of that article. In that case, V' does not exist.
+		if ( $this->mOldid === false ) {
+			$this->showFirstRevision();
+			wfProfileOut( $fname );
+			return;
+		}
+
+		$wgOut->suppressQuickbar();
+
+		$oldTitle = $this->mOldPage->getPrefixedText();
+		$newTitle = $this->mNewPage->getPrefixedText();
+		if( $oldTitle == $newTitle ) {
+			$wgOut->setPageTitle( $newTitle );
+		} else {
+			$wgOut->setPageTitle( $oldTitle . ', ' . $newTitle );
+		}
+		$wgOut->setSubtitle( wfMsg( 'difference' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+		if ( !( $this->mOldPage->userCanRead() && $this->mNewPage->userCanRead() ) ) {
+			$wgOut->loginToUse();
+			$wgOut->output();
+			wfProfileOut( $fname );
+			exit;
+		}
+
+		$sk = $wgUser->getSkin();
+		$talk = $wgContLang->getNsText( NS_TALK );
+		$contribs = wfMsg( 'contribslink' );
+
+		if ( $this->mNewRev->isCurrent() && $wgUser->isAllowed('rollback') ) {
+			$username = $this->mNewRev->getUserText();
+			$rollback = '&nbsp;&nbsp;&nbsp;<strong>[' . $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'rollbacklink' ),
+				'action=rollback&from=' . urlencode( $username ) .
+				'&token=' . urlencode( $wgUser->editToken( array( $this->mTitle->getPrefixedText(), $username ) ) ) ) .
+				']</strong>';
+		} else {
+			$rollback = '';
+		}
+		if( $wgUseRCPatrol && $this->mRcidMarkPatrolled != 0 && $wgUser->isAllowed( 'patrol' ) ) {
+			$patrol = ' [' . $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'markaspatrolleddiff' ), "action=markpatrolled&rcid={$this->mRcidMarkPatrolled}" ) . ']';
+		} else {
+			$patrol = '';
+		}
+
+		$prevlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'previousdiff' ),
+			'diff=prev&oldid='.$this->mOldid, '', '', 'id="differences-prevlink"' );
+		if ( $this->mNewRev->isCurrent() ) {
+			$nextlink = '&nbsp;';
+		} else {
+			$nextlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'nextdiff' ),
+				'diff=next&oldid='.$this->mNewid, '', '', 'id="differences-nextlink"' );
+		}
+
+		$oldHeader = "<strong>{$this->mOldtitle}</strong><br />" .
+			$sk->revUserTools( $this->mOldRev ) . "<br />" .
+			$sk->revComment( $this->mOldRev ) . "<br />" .
+			$prevlink;
+		$newHeader = "<strong>{$this->mNewtitle}</strong><br />" .
+			$sk->revUserTools( $this->mNewRev ) . " $rollback<br />" .
+			$sk->revComment( $this->mNewRev ) . "<br />" .
+			$nextlink . $patrol;
+
+		$this->showDiff( $oldHeader, $newHeader );
+		$wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" );
+
+		if( !$this->mNewRev->isCurrent() ) {
+			$oldEditSectionSetting = $wgOut->mParserOptions->setEditSection( false );
+		}
+
+		$this->loadNewText();
+		if( is_object( $this->mNewRev ) ) {
+			$wgOut->setRevisionId( $this->mNewRev->getId() );
+		}
+		$wgOut->addSecondaryWikiText( $this->mNewtext );
+
+		if( !$this->mNewRev->isCurrent() ) {
+			$wgOut->mParserOptions->setEditSection( $oldEditSectionSetting );
+		}
+
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Show the first revision of an article. Uses normal diff headers in
+	 * contrast to normal "old revision" display style.
+	 */
+	function showFirstRevision() {
+		global $wgOut, $wgUser;
+
+		$fname = 'DifferenceEngine::showFirstRevision';
+		wfProfileIn( $fname );
+
+		# Get article text from the DB
+		#
+		if ( ! $this->loadNewText() ) {
+			$t = $this->mTitle->getPrefixedText() . " (Diff: {$this->mOldid}, " .
+			  "{$this->mNewid})";
+			$mtext = wfMsg( 'missingarticle', "<nowiki>$t</nowiki>" );
+			$wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) );
+			$wgOut->addWikitext( $mtext );
+			wfProfileOut( $fname );
+			return;
+		}
+		if ( $this->mNewRev->isCurrent() ) {
+			$wgOut->setArticleFlag( true );
+		}
+
+		# Check if user is allowed to look at this page. If not, bail out.
+		#
+		if ( !( $this->mTitle->userCanRead() ) ) {
+			$wgOut->loginToUse();
+			$wgOut->output();
+			wfProfileOut( $fname );
+			exit;
+		}
+
+		# Prepare the header box
+		#
+		$sk = $wgUser->getSkin();
+
+		$nextlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'nextdiff' ), 'diff=next&oldid='.$this->mNewid, '', '', 'id="differences-nextlink"' );
+		$header = "<div class=\"firstrevisionheader\" style=\"text-align: center\"><strong>{$this->mOldtitle}</strong><br />" .
+			$sk->revUserTools( $this->mNewRev ) . "<br />" .
+			$sk->revComment( $this->mNewRev ) . "<br />" .
+			$nextlink . "</div>\n";
+
+		$wgOut->addHTML( $header );
+
+		$wgOut->setSubtitle( wfMsg( 'difference' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+
+		# Show current revision
+		#
+		$wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" );
+		if( is_object( $this->mNewRev ) ) {
+			$wgOut->setRevisionId( $this->mNewRev->getId() );
+		}
+		$wgOut->addSecondaryWikiText( $this->mNewtext );
+
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Get the diff text, send it to $wgOut
+	 * Returns false if the diff could not be generated, otherwise returns true
+	 */
+	function showDiff( $otitle, $ntitle ) {
+		global $wgOut;
+		$diff = $this->getDiff( $otitle, $ntitle );
+		if ( $diff === false ) {
+			$wgOut->addWikitext( wfMsg( 'missingarticle', "<nowiki>(fixme, bug)</nowiki>" ) );
+			return false;
+		} else {
+			$wgOut->addHTML( $diff );
+			return true;
+		}
+	}
+
+	/**
+	 * Get diff table, including header
+	 * Note that the interface has changed, it's no longer static.
+	 * Returns false on error
+	 */
+	function getDiff( $otitle, $ntitle ) {
+		$body = $this->getDiffBody();
+		if ( $body === false ) {
+			return false;
+		} else {
+			return $this->addHeader( $body, $otitle, $ntitle );
+		}
+	}
+
+	/**
+	 * Get the diff table body, without header
+	 * Results are cached
+	 * Returns false on error
+	 */
+	function getDiffBody() {
+		global $wgMemc, $wgDBname;
+		$fname = 'DifferenceEngine::getDiffBody';
+		wfProfileIn( $fname );
+		
+		// Cacheable?
+		$key = false;
+		if ( $this->mOldid && $this->mNewid ) {
+			// Try cache
+			$key = "$wgDBname:diff:oldid:{$this->mOldid}:newid:{$this->mNewid}";
+			$difftext = $wgMemc->get( $key );
+			if ( $difftext ) {
+				wfIncrStats( 'diff_cache_hit' );
+				$difftext = $this->localiseLineNumbers( $difftext );
+				$difftext .= "\n<!-- diff cache key $key -->\n";
+				wfProfileOut( $fname );
+				return $difftext;
+			}
+		}
+
+		if ( !$this->loadText() ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		$difftext = $this->generateDiffBody( $this->mOldtext, $this->mNewtext );
+		
+		// Save to cache for 7 days
+		if ( $key !== false && $difftext !== false ) {
+			wfIncrStats( 'diff_cache_miss' );
+			$wgMemc->set( $key, $difftext, 7*86400 );
+		} else {
+			wfIncrStats( 'diff_uncacheable' );
+		}
+		// Replace line numbers with the text in the user's language
+		if ( $difftext !== false ) {
+			$difftext = $this->localiseLineNumbers( $difftext );
+		}
+		wfProfileOut( $fname );
+		return $difftext;
+	}
+
+	/**
+	 * Generate a diff, no caching
+	 * $otext and $ntext must be already segmented
+	 */
+	function generateDiffBody( $otext, $ntext ) {
+		global $wgExternalDiffEngine, $wgContLang;
+		$fname = 'DifferenceEngine::generateDiffBody';
+
+		$otext = str_replace( "\r\n", "\n", $otext );
+		$ntext = str_replace( "\r\n", "\n", $ntext );
+		
+		if ( $wgExternalDiffEngine == 'wikidiff' ) {
+			# For historical reasons, external diff engine expects
+			# input text to be HTML-escaped already
+			$otext = htmlspecialchars ( $wgContLang->segmentForDiff( $otext ) );
+			$ntext = htmlspecialchars ( $wgContLang->segmentForDiff( $ntext ) );
+			if( !function_exists( 'wikidiff_do_diff' ) ) {
+				dl('php_wikidiff.so');
+			}
+			return $wgContLang->unsegementForDiff( wikidiff_do_diff( $otext, $ntext, 2 ) );
+		}
+		
+		if ( $wgExternalDiffEngine == 'wikidiff2' ) {
+			# Better external diff engine, the 2 may some day be dropped
+			# This one does the escaping and segmenting itself
+			if ( !function_exists( 'wikidiff2_do_diff' ) ) {
+				wfProfileIn( "$fname-dl" );
+				@dl('php_wikidiff2.so');
+				wfProfileOut( "$fname-dl" );
+			}
+			if ( function_exists( 'wikidiff2_do_diff' ) ) {
+				wfProfileIn( 'wikidiff2_do_diff' );
+				$text = wikidiff2_do_diff( $otext, $ntext, 2 );
+				wfProfileOut( 'wikidiff2_do_diff' );
+				return $text;
+			}
+		}
+		if ( $wgExternalDiffEngine !== false ) {
+			# Diff via the shell
+			global $wgTmpDirectory;
+			$tempName1 = tempnam( $wgTmpDirectory, 'diff_' );
+			$tempName2 = tempnam( $wgTmpDirectory, 'diff_' );
+
+			$tempFile1 = fopen( $tempName1, "w" );
+			if ( !$tempFile1 ) {
+				wfProfileOut( $fname );
+				return false;
+			}
+			$tempFile2 = fopen( $tempName2, "w" );
+			if ( !$tempFile2 ) {
+				wfProfileOut( $fname );
+				return false;
+			}
+			fwrite( $tempFile1, $otext );
+			fwrite( $tempFile2, $ntext );
+			fclose( $tempFile1 );
+			fclose( $tempFile2 );
+			$cmd = wfEscapeShellArg( $wgExternalDiffEngine, $tempName1, $tempName2 );
+			wfProfileIn( "$fname-shellexec" );
+			$difftext = wfShellExec( $cmd );
+			wfProfileOut( "$fname-shellexec" );
+			unlink( $tempName1 );
+			unlink( $tempName2 );
+			return $difftext;
+		}
+		
+		# Native PHP diff
+		$ota = explode( "\n", $wgContLang->segmentForDiff( $otext ) );
+		$nta = explode( "\n", $wgContLang->segmentForDiff( $ntext ) );
+		$diffs =& new Diff( $ota, $nta );
+		$formatter =& new TableDiffFormatter();
+		return $wgContLang->unsegmentForDiff( $formatter->format( $diffs ) );
+	}
+		
+
+	/**
+	 * Replace line numbers with the text in the user's language
+	 */
+	function localiseLineNumbers( $text ) {
+		return preg_replace_callback( '/<!--LINE (\d+)-->/',
+			array( &$this, 'localiseLineNumbersCb' ), $text );
+	}
+
+	function localiseLineNumbersCb( $matches ) {
+		global $wgLang;
+		return wfMsgExt( 'lineno', array('parseinline'), $wgLang->formatNum( $matches[1] ) );
+	}
+
+	/**
+	 * Add the header to a diff body
+	 */
+	function addHeader( $diff, $otitle, $ntitle ) {
+		$out = "
+			<table border='0' width='98%' cellpadding='0' cellspacing='4' class='diff'>
+			<tr>
+				<td colspan='2' width='50%' align='center' class='diff-otitle'>{$otitle}</td>
+				<td colspan='2' width='50%' align='center' class='diff-ntitle'>{$ntitle}</td>
+			</tr>
+			$diff
+			</table>
+		";
+		return $out;
+	}
+
+	/**
+	 * Use specified text instead of loading from the database
+	 */
+	function setText( $oldText, $newText ) {
+		$this->mOldtext = $oldText;
+		$this->mNewtext = $newText;
+		$this->mTextLoaded = 2;
+	}
+
+	/**
+	 * Load revision metadata for the specified articles. If newid is 0, then compare
+	 * the old article in oldid to the current article; if oldid is 0, then
+	 * compare the current article to the immediately previous one (ignoring the
+	 * value of newid).
+	 *
+	 * If oldid is false, leave the corresponding revision object set
+	 * to false. This is impossible via ordinary user input, and is provided for
+	 * API convenience.
+	 */
+	function loadRevisionData() {
+		global $wgLang;
+		if ( $this->mRevisionsLoaded ) {
+			return true;
+		} else {
+			// Whether it succeeds or fails, we don't want to try again
+			$this->mRevisionsLoaded = true;
+		}
+
+		// Load the new revision object
+		if( $this->mNewid ) {
+			$this->mNewRev = Revision::newFromId( $this->mNewid );
+		} else {
+			$this->mNewRev = Revision::newFromTitle( $this->mTitle );
+		}
+
+		if( is_null( $this->mNewRev ) ) {
+			return false;
+		}
+
+		// Set assorted variables
+		$timestamp = $wgLang->timeanddate( $this->mNewRev->getTimestamp(), true );
+		$this->mNewPage = $this->mNewRev->getTitle();
+		if( $this->mNewRev->isCurrent() ) {
+			$newLink = $this->mNewPage->escapeLocalUrl();
+			$this->mPagetitle = htmlspecialchars( wfMsg( 'currentrev' ) );
+			$newEdit = $this->mNewPage->escapeLocalUrl( 'action=edit' );
+			
+			$this->mNewtitle = "<strong><a href='$newLink'>{$this->mPagetitle}</a> ($timestamp)</strong>"
+				. " (<a href='$newEdit'>" . htmlspecialchars( wfMsg( 'editold' ) ) . "</a>)";
+
+		} else {
+			$newLink = $this->mNewPage->escapeLocalUrl( 'oldid=' . $this->mNewid );
+			$newEdit = $this->mNewPage->escapeLocalUrl( 'action=edit&oldid=' . $this->mNewid );
+			$this->mPagetitle = htmlspecialchars( wfMsg( 'revisionasof', $timestamp ) );
+			
+			$this->mNewtitle = "<strong><a href='$newLink'>{$this->mPagetitle}</a></strong>"
+				. " (<a href='$newEdit'>" . htmlspecialchars( wfMsg( 'editold' ) ) . "</a>)";
+		}
+
+		// Load the old revision object
+		$this->mOldRev = false;
+		if( $this->mOldid ) {
+			$this->mOldRev = Revision::newFromId( $this->mOldid );
+		} elseif ( $this->mOldid === 0 ) {
+			$rev = $this->mNewRev->getPrevious();
+			if( $rev ) {
+				$this->mOldid = $rev->getId();
+				$this->mOldRev = $rev;
+			} else {
+				// No previous revision; mark to show as first-version only.
+				$this->mOldid = false;
+				$this->mOldRev = false;
+			}
+		}/* elseif ( $this->mOldid === false ) leave mOldRev false; */
+
+		if( is_null( $this->mOldRev ) ) {
+			return false;
+		}
+
+		if ( $this->mOldRev ) {
+			$this->mOldPage = $this->mOldRev->getTitle();
+
+			$t = $wgLang->timeanddate( $this->mOldRev->getTimestamp(), true );
+			$oldLink = $this->mOldPage->escapeLocalUrl( 'oldid=' . $this->mOldid );
+			$oldEdit = $this->mOldPage->escapeLocalUrl( 'action=edit&oldid=' . $this->mOldid );
+			$this->mOldtitle = "<strong><a href='$oldLink'>" . htmlspecialchars( wfMsg( 'revisionasof', $t ) )
+				. "</a></strong> (<a href='$oldEdit'>" . htmlspecialchars( wfMsg( 'editold' ) ) . "</a>)";
+		}
+
+		return true;
+	}
+
+	/**
+	 * Load the text of the revisions, as well as revision data.
+	 */
+	function loadText() {
+		if ( $this->mTextLoaded == 2 ) {
+			return true;
+		} else {
+			// Whether it succeeds or fails, we don't want to try again
+			$this->mTextLoaded = 2;
+		}
+
+		if ( !$this->loadRevisionData() ) {
+			return false;
+		}
+		if ( $this->mOldRev ) {
+			// FIXME: permission tests
+			$this->mOldtext = $this->mOldRev->getText();
+			if ( $this->mOldtext === false ) {
+				return false;
+			}
+		}
+		if ( $this->mNewRev ) {
+			$this->mNewtext = $this->mNewRev->getText();
+			if ( $this->mNewtext === false ) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Load the text of the new revision, not the old one
+	 */
+	function loadNewText() {
+		if ( $this->mTextLoaded >= 1 ) {
+			return true;
+		} else {
+			$this->mTextLoaded = 1;
+		}
+		if ( !$this->loadRevisionData() ) {
+			return false;
+		}
+		$this->mNewtext = $this->mNewRev->getText();
+		return true;
+	}
+
+
+}
+
+// A PHP diff engine for phpwiki. (Taken from phpwiki-1.3.3)
+//
+// Copyright (C) 2000, 2001 Geoffrey T. Dairiki <dairiki@dairiki.org>
+// You may copy this code freely under the conditions of the GPL.
+//
+
+define('USE_ASSERTS', function_exists('assert'));
+
+/**
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class _DiffOp {
+	var $type;
+	var $orig;
+	var $closing;
+
+	function reverse() {
+		trigger_error('pure virtual', E_USER_ERROR);
+	}
+
+	function norig() {
+		return $this->orig ? sizeof($this->orig) : 0;
+	}
+
+	function nclosing() {
+		return $this->closing ? sizeof($this->closing) : 0;
+	}
+}
+
+/**
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class _DiffOp_Copy extends _DiffOp {
+	var $type = 'copy';
+
+	function _DiffOp_Copy ($orig, $closing = false) {
+		if (!is_array($closing))
+			$closing = $orig;
+		$this->orig = $orig;
+		$this->closing = $closing;
+	}
+
+	function reverse() {
+		return new _DiffOp_Copy($this->closing, $this->orig);
+	}
+}
+
+/**
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class _DiffOp_Delete extends _DiffOp {
+	var $type = 'delete';
+
+	function _DiffOp_Delete ($lines) {
+		$this->orig = $lines;
+		$this->closing = false;
+	}
+
+	function reverse() {
+		return new _DiffOp_Add($this->orig);
+	}
+}
+
+/**
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class _DiffOp_Add extends _DiffOp {
+	var $type = 'add';
+
+	function _DiffOp_Add ($lines) {
+		$this->closing = $lines;
+		$this->orig = false;
+	}
+
+	function reverse() {
+		return new _DiffOp_Delete($this->closing);
+	}
+}
+
+/**
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class _DiffOp_Change extends _DiffOp {
+	var $type = 'change';
+
+	function _DiffOp_Change ($orig, $closing) {
+		$this->orig = $orig;
+		$this->closing = $closing;
+	}
+
+	function reverse() {
+		return new _DiffOp_Change($this->closing, $this->orig);
+	}
+}
+
+
+/**
+ * Class used internally by Diff to actually compute the diffs.
+ *
+ * The algorithm used here is mostly lifted from the perl module
+ * Algorithm::Diff (version 1.06) by Ned Konz, which is available at:
+ *	 http://www.perl.com/CPAN/authors/id/N/NE/NEDKONZ/Algorithm-Diff-1.06.zip
+ *
+ * More ideas are taken from:
+ *	 http://www.ics.uci.edu/~eppstein/161/960229.html
+ *
+ * Some ideas are (and a bit of code) are from from analyze.c, from GNU
+ * diffutils-2.7, which can be found at:
+ *	 ftp://gnudist.gnu.org/pub/gnu/diffutils/diffutils-2.7.tar.gz
+ *
+ * closingly, some ideas (subdivision by NCHUNKS > 2, and some optimizations)
+ * are my own.
+ *
+ * Line length limits for robustness added by Tim Starling, 2005-08-31
+ *
+ * @author Geoffrey T. Dairiki, Tim Starling
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class _DiffEngine
+{
+	function diff ($from_lines, $to_lines) {
+		$fname = '_DiffEngine::diff';
+		wfProfileIn( $fname );
+
+		$n_from = sizeof($from_lines);
+		$n_to = sizeof($to_lines);
+
+		$this->xchanged = $this->ychanged = array();
+		$this->xv = $this->yv = array();
+		$this->xind = $this->yind = array();
+		unset($this->seq);
+		unset($this->in_seq);
+		unset($this->lcs);
+
+		// Skip leading common lines.
+		for ($skip = 0; $skip < $n_from && $skip < $n_to; $skip++) {
+			if ($from_lines[$skip] !== $to_lines[$skip])
+				break;
+			$this->xchanged[$skip] = $this->ychanged[$skip] = false;
+		}
+		// Skip trailing common lines.
+		$xi = $n_from; $yi = $n_to;
+		for ($endskip = 0; --$xi > $skip && --$yi > $skip; $endskip++) {
+			if ($from_lines[$xi] !== $to_lines[$yi])
+				break;
+			$this->xchanged[$xi] = $this->ychanged[$yi] = false;
+		}
+
+		// Ignore lines which do not exist in both files.
+		for ($xi = $skip; $xi < $n_from - $endskip; $xi++) {
+			$xhash[$this->_line_hash($from_lines[$xi])] = 1;
+		}
+
+		for ($yi = $skip; $yi < $n_to - $endskip; $yi++) {
+			$line = $to_lines[$yi];
+			if ( ($this->ychanged[$yi] = empty($xhash[$this->_line_hash($line)])) )
+				continue;
+			$yhash[$this->_line_hash($line)] = 1;
+			$this->yv[] = $line;
+			$this->yind[] = $yi;
+		}
+		for ($xi = $skip; $xi < $n_from - $endskip; $xi++) {
+			$line = $from_lines[$xi];
+			if ( ($this->xchanged[$xi] = empty($yhash[$this->_line_hash($line)])) )
+				continue;
+			$this->xv[] = $line;
+			$this->xind[] = $xi;
+		}
+
+		// Find the LCS.
+		$this->_compareseq(0, sizeof($this->xv), 0, sizeof($this->yv));
+
+		// Merge edits when possible
+		$this->_shift_boundaries($from_lines, $this->xchanged, $this->ychanged);
+		$this->_shift_boundaries($to_lines, $this->ychanged, $this->xchanged);
+
+		// Compute the edit operations.
+		$edits = array();
+		$xi = $yi = 0;
+		while ($xi < $n_from || $yi < $n_to) {
+			USE_ASSERTS && assert($yi < $n_to || $this->xchanged[$xi]);
+			USE_ASSERTS && assert($xi < $n_from || $this->ychanged[$yi]);
+
+			// Skip matching "snake".
+			$copy = array();
+			while ( $xi < $n_from && $yi < $n_to
+					&& !$this->xchanged[$xi] && !$this->ychanged[$yi]) {
+				$copy[] = $from_lines[$xi++];
+				++$yi;
+			}
+			if ($copy)
+				$edits[] = new _DiffOp_Copy($copy);
+
+			// Find deletes & adds.
+			$delete = array();
+			while ($xi < $n_from && $this->xchanged[$xi])
+				$delete[] = $from_lines[$xi++];
+
+			$add = array();
+			while ($yi < $n_to && $this->ychanged[$yi])
+				$add[] = $to_lines[$yi++];
+
+			if ($delete && $add)
+				$edits[] = new _DiffOp_Change($delete, $add);
+			elseif ($delete)
+				$edits[] = new _DiffOp_Delete($delete);
+			elseif ($add)
+				$edits[] = new _DiffOp_Add($add);
+		}
+		wfProfileOut( $fname );
+		return $edits;
+	}
+
+	/**
+	 * Returns the whole line if it's small enough, or the MD5 hash otherwise
+	 */
+	function _line_hash( $line ) {
+		if ( strlen( $line ) > MAX_DIFF_XREF_LENGTH ) {
+			return md5( $line );
+		} else {
+			return $line;
+		}
+	}
+
+
+	/* Divide the Largest Common Subsequence (LCS) of the sequences
+	 * [XOFF, XLIM) and [YOFF, YLIM) into NCHUNKS approximately equally
+	 * sized segments.
+	 *
+	 * Returns (LCS, PTS).	LCS is the length of the LCS. PTS is an
+	 * array of NCHUNKS+1 (X, Y) indexes giving the diving points between
+	 * sub sequences.  The first sub-sequence is contained in [X0, X1),
+	 * [Y0, Y1), the second in [X1, X2), [Y1, Y2) and so on.  Note
+	 * that (X0, Y0) == (XOFF, YOFF) and
+	 * (X[NCHUNKS], Y[NCHUNKS]) == (XLIM, YLIM).
+	 *
+	 * This function assumes that the first lines of the specified portions
+	 * of the two files do not match, and likewise that the last lines do not
+	 * match.  The caller must trim matching lines from the beginning and end
+	 * of the portions it is going to specify.
+	 */
+	function _diag ($xoff, $xlim, $yoff, $ylim, $nchunks) {
+		$fname = '_DiffEngine::_diag';
+		wfProfileIn( $fname );
+		$flip = false;
+
+		if ($xlim - $xoff > $ylim - $yoff) {
+			// Things seems faster (I'm not sure I understand why)
+				// when the shortest sequence in X.
+				$flip = true;
+			list ($xoff, $xlim, $yoff, $ylim)
+			= array( $yoff, $ylim, $xoff, $xlim);
+		}
+
+		if ($flip)
+			for ($i = $ylim - 1; $i >= $yoff; $i--)
+				$ymatches[$this->xv[$i]][] = $i;
+		else
+			for ($i = $ylim - 1; $i >= $yoff; $i--)
+				$ymatches[$this->yv[$i]][] = $i;
+
+		$this->lcs = 0;
+		$this->seq[0]= $yoff - 1;
+		$this->in_seq = array();
+		$ymids[0] = array();
+
+		$numer = $xlim - $xoff + $nchunks - 1;
+		$x = $xoff;
+		for ($chunk = 0; $chunk < $nchunks; $chunk++) {
+			wfProfileIn( "$fname-chunk" );
+			if ($chunk > 0)
+				for ($i = 0; $i <= $this->lcs; $i++)
+					$ymids[$i][$chunk-1] = $this->seq[$i];
+
+			$x1 = $xoff + (int)(($numer + ($xlim-$xoff)*$chunk) / $nchunks);
+			for ( ; $x < $x1; $x++) {
+				$line = $flip ? $this->yv[$x] : $this->xv[$x];
+					if (empty($ymatches[$line]))
+						continue;
+				$matches = $ymatches[$line];
+				reset($matches);
+				while (list ($junk, $y) = each($matches))
+					if (empty($this->in_seq[$y])) {
+						$k = $this->_lcs_pos($y);
+						USE_ASSERTS && assert($k > 0);
+						$ymids[$k] = $ymids[$k-1];
+						break;
+					}
+				while (list ($junk, $y) = each($matches)) {
+					if ($y > $this->seq[$k-1]) {
+						USE_ASSERTS && assert($y < $this->seq[$k]);
+						// Optimization: this is a common case:
+						//	next match is just replacing previous match.
+						$this->in_seq[$this->seq[$k]] = false;
+						$this->seq[$k] = $y;
+						$this->in_seq[$y] = 1;
+					} else if (empty($this->in_seq[$y])) {
+						$k = $this->_lcs_pos($y);
+						USE_ASSERTS && assert($k > 0);
+						$ymids[$k] = $ymids[$k-1];
+					}
+				}
+			}
+			wfProfileOut( "$fname-chunk" );
+		}
+
+		$seps[] = $flip ? array($yoff, $xoff) : array($xoff, $yoff);
+		$ymid = $ymids[$this->lcs];
+		for ($n = 0; $n < $nchunks - 1; $n++) {
+			$x1 = $xoff + (int)(($numer + ($xlim - $xoff) * $n) / $nchunks);
+			$y1 = $ymid[$n] + 1;
+			$seps[] = $flip ? array($y1, $x1) : array($x1, $y1);
+		}
+		$seps[] = $flip ? array($ylim, $xlim) : array($xlim, $ylim);
+
+		wfProfileOut( $fname );
+		return array($this->lcs, $seps);
+	}
+
+	function _lcs_pos ($ypos) {
+		$fname = '_DiffEngine::_lcs_pos';
+		wfProfileIn( $fname );
+
+		$end = $this->lcs;
+		if ($end == 0 || $ypos > $this->seq[$end]) {
+			$this->seq[++$this->lcs] = $ypos;
+			$this->in_seq[$ypos] = 1;
+			wfProfileOut( $fname );
+			return $this->lcs;
+		}
+
+		$beg = 1;
+		while ($beg < $end) {
+			$mid = (int)(($beg + $end) / 2);
+			if ( $ypos > $this->seq[$mid] )
+				$beg = $mid + 1;
+			else
+				$end = $mid;
+		}
+
+		USE_ASSERTS && assert($ypos != $this->seq[$end]);
+
+		$this->in_seq[$this->seq[$end]] = false;
+		$this->seq[$end] = $ypos;
+		$this->in_seq[$ypos] = 1;
+		wfProfileOut( $fname );
+		return $end;
+	}
+
+	/* Find LCS of two sequences.
+	 *
+	 * The results are recorded in the vectors $this->{x,y}changed[], by
+	 * storing a 1 in the element for each line that is an insertion
+	 * or deletion (ie. is not in the LCS).
+	 *
+	 * The subsequence of file 0 is [XOFF, XLIM) and likewise for file 1.
+	 *
+	 * Note that XLIM, YLIM are exclusive bounds.
+	 * All line numbers are origin-0 and discarded lines are not counted.
+	 */
+	function _compareseq ($xoff, $xlim, $yoff, $ylim) {
+		$fname = '_DiffEngine::_compareseq';
+		wfProfileIn( $fname );
+
+		// Slide down the bottom initial diagonal.
+		while ($xoff < $xlim && $yoff < $ylim
+			   && $this->xv[$xoff] == $this->yv[$yoff]) {
+			++$xoff;
+			++$yoff;
+		}
+
+		// Slide up the top initial diagonal.
+		while ($xlim > $xoff && $ylim > $yoff
+			   && $this->xv[$xlim - 1] == $this->yv[$ylim - 1]) {
+			--$xlim;
+			--$ylim;
+		}
+
+		if ($xoff == $xlim || $yoff == $ylim)
+			$lcs = 0;
+		else {
+			// This is ad hoc but seems to work well.
+			//$nchunks = sqrt(min($xlim - $xoff, $ylim - $yoff) / 2.5);
+			//$nchunks = max(2,min(8,(int)$nchunks));
+			$nchunks = min(7, $xlim - $xoff, $ylim - $yoff) + 1;
+			list ($lcs, $seps)
+			= $this->_diag($xoff,$xlim,$yoff, $ylim,$nchunks);
+		}
+
+		if ($lcs == 0) {
+			// X and Y sequences have no common subsequence:
+			// mark all changed.
+			while ($yoff < $ylim)
+				$this->ychanged[$this->yind[$yoff++]] = 1;
+			while ($xoff < $xlim)
+				$this->xchanged[$this->xind[$xoff++]] = 1;
+		} else {
+			// Use the partitions to split this problem into subproblems.
+			reset($seps);
+			$pt1 = $seps[0];
+			while ($pt2 = next($seps)) {
+				$this->_compareseq ($pt1[0], $pt2[0], $pt1[1], $pt2[1]);
+				$pt1 = $pt2;
+			}
+		}
+		wfProfileOut( $fname );
+	}
+
+	/* Adjust inserts/deletes of identical lines to join changes
+	 * as much as possible.
+	 *
+	 * We do something when a run of changed lines include a
+	 * line at one end and has an excluded, identical line at the other.
+	 * We are free to choose which identical line is included.
+	 * `compareseq' usually chooses the one at the beginning,
+	 * but usually it is cleaner to consider the following identical line
+	 * to be the "change".
+	 *
+	 * This is extracted verbatim from analyze.c (GNU diffutils-2.7).
+	 */
+	function _shift_boundaries ($lines, &$changed, $other_changed) {
+		$fname = '_DiffEngine::_shift_boundaries';
+		wfProfileIn( $fname );
+		$i = 0;
+		$j = 0;
+
+		USE_ASSERTS && assert('sizeof($lines) == sizeof($changed)');
+		$len = sizeof($lines);
+		$other_len = sizeof($other_changed);
+
+		while (1) {
+			/*
+			 * Scan forwards to find beginning of another run of changes.
+			 * Also keep track of the corresponding point in the other file.
+			 *
+			 * Throughout this code, $i and $j are adjusted together so that
+			 * the first $i elements of $changed and the first $j elements
+			 * of $other_changed both contain the same number of zeros
+			 * (unchanged lines).
+			 * Furthermore, $j is always kept so that $j == $other_len or
+			 * $other_changed[$j] == false.
+			 */
+			while ($j < $other_len && $other_changed[$j])
+				$j++;
+
+			while ($i < $len && ! $changed[$i]) {
+				USE_ASSERTS && assert('$j < $other_len && ! $other_changed[$j]');
+				$i++; $j++;
+				while ($j < $other_len && $other_changed[$j])
+					$j++;
+			}
+
+			if ($i == $len)
+				break;
+
+			$start = $i;
+
+			// Find the end of this run of changes.
+			while (++$i < $len && $changed[$i])
+				continue;
+
+			do {
+				/*
+				 * Record the length of this run of changes, so that
+				 * we can later determine whether the run has grown.
+				 */
+				$runlength = $i - $start;
+
+				/*
+				 * Move the changed region back, so long as the
+				 * previous unchanged line matches the last changed one.
+				 * This merges with previous changed regions.
+				 */
+				while ($start > 0 && $lines[$start - 1] == $lines[$i - 1]) {
+					$changed[--$start] = 1;
+					$changed[--$i] = false;
+					while ($start > 0 && $changed[$start - 1])
+						$start--;
+					USE_ASSERTS && assert('$j > 0');
+					while ($other_changed[--$j])
+						continue;
+					USE_ASSERTS && assert('$j >= 0 && !$other_changed[$j]');
+				}
+
+				/*
+				 * Set CORRESPONDING to the end of the changed run, at the last
+				 * point where it corresponds to a changed run in the other file.
+				 * CORRESPONDING == LEN means no such point has been found.
+				 */
+				$corresponding = $j < $other_len ? $i : $len;
+
+				/*
+				 * Move the changed region forward, so long as the
+				 * first changed line matches the following unchanged one.
+				 * This merges with following changed regions.
+				 * Do this second, so that if there are no merges,
+				 * the changed region is moved forward as far as possible.
+				 */
+				while ($i < $len && $lines[$start] == $lines[$i]) {
+					$changed[$start++] = false;
+					$changed[$i++] = 1;
+					while ($i < $len && $changed[$i])
+						$i++;
+
+					USE_ASSERTS && assert('$j < $other_len && ! $other_changed[$j]');
+					$j++;
+					if ($j < $other_len && $other_changed[$j]) {
+						$corresponding = $i;
+						while ($j < $other_len && $other_changed[$j])
+							$j++;
+					}
+				}
+			} while ($runlength != $i - $start);
+
+			/*
+			 * If possible, move the fully-merged run of changes
+			 * back to a corresponding run in the other file.
+			 */
+			while ($corresponding < $i) {
+				$changed[--$start] = 1;
+				$changed[--$i] = 0;
+				USE_ASSERTS && assert('$j > 0');
+				while ($other_changed[--$j])
+					continue;
+				USE_ASSERTS && assert('$j >= 0 && !$other_changed[$j]');
+			}
+		}
+		wfProfileOut( $fname );
+	}
+}
+
+/**
+ * Class representing a 'diff' between two sequences of strings.
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class Diff
+{
+	var $edits;
+
+	/**
+	 * Constructor.
+	 * Computes diff between sequences of strings.
+	 *
+	 * @param $from_lines array An array of strings.
+	 *		  (Typically these are lines from a file.)
+	 * @param $to_lines array An array of strings.
+	 */
+	function Diff($from_lines, $to_lines) {
+		$eng = new _DiffEngine;
+		$this->edits = $eng->diff($from_lines, $to_lines);
+		//$this->_check($from_lines, $to_lines);
+	}
+
+	/**
+	 * Compute reversed Diff.
+	 *
+	 * SYNOPSIS:
+	 *
+	 *	$diff = new Diff($lines1, $lines2);
+	 *	$rev = $diff->reverse();
+	 * @return object A Diff object representing the inverse of the
+	 *				  original diff.
+	 */
+	function reverse () {
+		$rev = $this;
+		$rev->edits = array();
+		foreach ($this->edits as $edit) {
+			$rev->edits[] = $edit->reverse();
+		}
+		return $rev;
+	}
+
+	/**
+	 * Check for empty diff.
+	 *
+	 * @return bool True iff two sequences were identical.
+	 */
+	function isEmpty () {
+		foreach ($this->edits as $edit) {
+			if ($edit->type != 'copy')
+				return false;
+		}
+		return true;
+	}
+
+	/**
+	 * Compute the length of the Longest Common Subsequence (LCS).
+	 *
+	 * This is mostly for diagnostic purposed.
+	 *
+	 * @return int The length of the LCS.
+	 */
+	function lcs () {
+		$lcs = 0;
+		foreach ($this->edits as $edit) {
+			if ($edit->type == 'copy')
+				$lcs += sizeof($edit->orig);
+		}
+		return $lcs;
+	}
+
+	/**
+	 * Get the original set of lines.
+	 *
+	 * This reconstructs the $from_lines parameter passed to the
+	 * constructor.
+	 *
+	 * @return array The original sequence of strings.
+	 */
+	function orig() {
+		$lines = array();
+
+		foreach ($this->edits as $edit) {
+			if ($edit->orig)
+				array_splice($lines, sizeof($lines), 0, $edit->orig);
+		}
+		return $lines;
+	}
+
+	/**
+	 * Get the closing set of lines.
+	 *
+	 * This reconstructs the $to_lines parameter passed to the
+	 * constructor.
+	 *
+	 * @return array The sequence of strings.
+	 */
+	function closing() {
+		$lines = array();
+
+		foreach ($this->edits as $edit) {
+			if ($edit->closing)
+				array_splice($lines, sizeof($lines), 0, $edit->closing);
+		}
+		return $lines;
+	}
+
+	/**
+	 * Check a Diff for validity.
+	 *
+	 * This is here only for debugging purposes.
+	 */
+	function _check ($from_lines, $to_lines) {
+		$fname = 'Diff::_check';
+		wfProfileIn( $fname );
+		if (serialize($from_lines) != serialize($this->orig()))
+			trigger_error("Reconstructed original doesn't match", E_USER_ERROR);
+		if (serialize($to_lines) != serialize($this->closing()))
+			trigger_error("Reconstructed closing doesn't match", E_USER_ERROR);
+
+		$rev = $this->reverse();
+		if (serialize($to_lines) != serialize($rev->orig()))
+			trigger_error("Reversed original doesn't match", E_USER_ERROR);
+		if (serialize($from_lines) != serialize($rev->closing()))
+			trigger_error("Reversed closing doesn't match", E_USER_ERROR);
+
+
+		$prevtype = 'none';
+		foreach ($this->edits as $edit) {
+			if ( $prevtype == $edit->type )
+				trigger_error("Edit sequence is non-optimal", E_USER_ERROR);
+			$prevtype = $edit->type;
+		}
+
+		$lcs = $this->lcs();
+		trigger_error('Diff okay: LCS = '.$lcs, E_USER_NOTICE);
+		wfProfileOut( $fname );
+	}
+}
+
+/**
+ * FIXME: bad name.
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class MappedDiff extends Diff
+{
+	/**
+	 * Constructor.
+	 *
+	 * Computes diff between sequences of strings.
+	 *
+	 * This can be used to compute things like
+	 * case-insensitve diffs, or diffs which ignore
+	 * changes in white-space.
+	 *
+	 * @param $from_lines array An array of strings.
+	 *	(Typically these are lines from a file.)
+	 *
+	 * @param $to_lines array An array of strings.
+	 *
+	 * @param $mapped_from_lines array This array should
+	 *	have the same size number of elements as $from_lines.
+	 *	The elements in $mapped_from_lines and
+	 *	$mapped_to_lines are what is actually compared
+	 *	when computing the diff.
+	 *
+	 * @param $mapped_to_lines array This array should
+	 *	have the same number of elements as $to_lines.
+	 */
+	function MappedDiff($from_lines, $to_lines,
+						$mapped_from_lines, $mapped_to_lines) {
+		$fname = 'MappedDiff::MappedDiff';
+		wfProfileIn( $fname );
+
+		assert(sizeof($from_lines) == sizeof($mapped_from_lines));
+		assert(sizeof($to_lines) == sizeof($mapped_to_lines));
+
+		$this->Diff($mapped_from_lines, $mapped_to_lines);
+
+		$xi = $yi = 0;
+		for ($i = 0; $i < sizeof($this->edits); $i++) {
+			$orig = &$this->edits[$i]->orig;
+			if (is_array($orig)) {
+				$orig = array_slice($from_lines, $xi, sizeof($orig));
+				$xi += sizeof($orig);
+			}
+
+			$closing = &$this->edits[$i]->closing;
+			if (is_array($closing)) {
+				$closing = array_slice($to_lines, $yi, sizeof($closing));
+				$yi += sizeof($closing);
+			}
+		}
+		wfProfileOut( $fname );
+	}
+}
+
+/**
+ * A class to format Diffs
+ *
+ * This class formats the diff in classic diff format.
+ * It is intended that this class be customized via inheritance,
+ * to obtain fancier outputs.
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class DiffFormatter
+{
+	/**
+	 * Number of leading context "lines" to preserve.
+	 *
+	 * This should be left at zero for this class, but subclasses
+	 * may want to set this to other values.
+	 */
+	var $leading_context_lines = 0;
+
+	/**
+	 * Number of trailing context "lines" to preserve.
+	 *
+	 * This should be left at zero for this class, but subclasses
+	 * may want to set this to other values.
+	 */
+	var $trailing_context_lines = 0;
+
+	/**
+	 * Format a diff.
+	 *
+	 * @param $diff object A Diff object.
+	 * @return string The formatted output.
+	 */
+	function format($diff) {
+		$fname = 'DiffFormatter::format';
+		wfProfileIn( $fname );
+
+		$xi = $yi = 1;
+		$block = false;
+		$context = array();
+
+		$nlead = $this->leading_context_lines;
+		$ntrail = $this->trailing_context_lines;
+
+		$this->_start_diff();
+
+		foreach ($diff->edits as $edit) {
+			if ($edit->type == 'copy') {
+				if (is_array($block)) {
+					if (sizeof($edit->orig) <= $nlead + $ntrail) {
+						$block[] = $edit;
+					}
+					else{
+						if ($ntrail) {
+							$context = array_slice($edit->orig, 0, $ntrail);
+							$block[] = new _DiffOp_Copy($context);
+						}
+						$this->_block($x0, $ntrail + $xi - $x0,
+									  $y0, $ntrail + $yi - $y0,
+									  $block);
+						$block = false;
+					}
+				}
+				$context = $edit->orig;
+			}
+			else {
+				if (! is_array($block)) {
+					$context = array_slice($context, sizeof($context) - $nlead);
+					$x0 = $xi - sizeof($context);
+					$y0 = $yi - sizeof($context);
+					$block = array();
+					if ($context)
+						$block[] = new _DiffOp_Copy($context);
+				}
+				$block[] = $edit;
+			}
+
+			if ($edit->orig)
+				$xi += sizeof($edit->orig);
+			if ($edit->closing)
+				$yi += sizeof($edit->closing);
+		}
+
+		if (is_array($block))
+			$this->_block($x0, $xi - $x0,
+						  $y0, $yi - $y0,
+						  $block);
+
+		$end = $this->_end_diff();
+		wfProfileOut( $fname );
+		return $end;
+	}
+
+	function _block($xbeg, $xlen, $ybeg, $ylen, &$edits) {
+		$fname = 'DiffFormatter::_block';
+		wfProfileIn( $fname );
+		$this->_start_block($this->_block_header($xbeg, $xlen, $ybeg, $ylen));
+		foreach ($edits as $edit) {
+			if ($edit->type == 'copy')
+				$this->_context($edit->orig);
+			elseif ($edit->type == 'add')
+				$this->_added($edit->closing);
+			elseif ($edit->type == 'delete')
+				$this->_deleted($edit->orig);
+			elseif ($edit->type == 'change')
+				$this->_changed($edit->orig, $edit->closing);
+			else
+				trigger_error('Unknown edit type', E_USER_ERROR);
+		}
+		$this->_end_block();
+		wfProfileOut( $fname );
+	}
+
+	function _start_diff() {
+		ob_start();
+	}
+
+	function _end_diff() {
+		$val = ob_get_contents();
+		ob_end_clean();
+		return $val;
+	}
+
+	function _block_header($xbeg, $xlen, $ybeg, $ylen) {
+		if ($xlen > 1)
+			$xbeg .= "," . ($xbeg + $xlen - 1);
+		if ($ylen > 1)
+			$ybeg .= "," . ($ybeg + $ylen - 1);
+
+		return $xbeg . ($xlen ? ($ylen ? 'c' : 'd') : 'a') . $ybeg;
+	}
+
+	function _start_block($header) {
+		echo $header;
+	}
+
+	function _end_block() {
+	}
+
+	function _lines($lines, $prefix = ' ') {
+		foreach ($lines as $line)
+			echo "$prefix $line\n";
+	}
+
+	function _context($lines) {
+		$this->_lines($lines);
+	}
+
+	function _added($lines) {
+		$this->_lines($lines, '>');
+	}
+	function _deleted($lines) {
+		$this->_lines($lines, '<');
+	}
+
+	function _changed($orig, $closing) {
+		$this->_deleted($orig);
+		echo "---\n";
+		$this->_added($closing);
+	}
+}
+
+
+/**
+ *	Additions by Axel Boldt follow, partly taken from diff.php, phpwiki-1.3.3
+ *
+ */
+
+define('NBSP', '&#160;');			// iso-8859-x non-breaking space.
+
+/**
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class _HWLDF_WordAccumulator {
+	function _HWLDF_WordAccumulator () {
+		$this->_lines = array();
+		$this->_line = '';
+		$this->_group = '';
+		$this->_tag = '';
+	}
+
+	function _flushGroup ($new_tag) {
+		if ($this->_group !== '') {
+			if ($this->_tag == 'mark')
+				$this->_line .= '<span class="diffchange">' .
+					htmlspecialchars ( $this->_group ) . '</span>';
+			else
+				$this->_line .= htmlspecialchars ( $this->_group );
+		}
+		$this->_group = '';
+		$this->_tag = $new_tag;
+	}
+
+	function _flushLine ($new_tag) {
+		$this->_flushGroup($new_tag);
+		if ($this->_line != '')
+			array_push ( $this->_lines, $this->_line );
+		else
+			# make empty lines visible by inserting an NBSP
+			array_push ( $this->_lines, NBSP );
+		$this->_line = '';
+	}
+
+	function addWords ($words, $tag = '') {
+		if ($tag != $this->_tag)
+			$this->_flushGroup($tag);
+
+		foreach ($words as $word) {
+			// new-line should only come as first char of word.
+			if ($word == '')
+				continue;
+			if ($word[0] == "\n") {
+				$this->_flushLine($tag);
+				$word = substr($word, 1);
+			}
+			assert(!strstr($word, "\n"));
+			$this->_group .= $word;
+		}
+	}
+
+	function getLines() {
+		$this->_flushLine('~done');
+		return $this->_lines;
+	}
+}
+
+/**
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class WordLevelDiff extends MappedDiff
+{
+	function WordLevelDiff ($orig_lines, $closing_lines) {
+		$fname = 'WordLevelDiff::WordLevelDiff';
+		wfProfileIn( $fname );
+
+		list ($orig_words, $orig_stripped) = $this->_split($orig_lines);
+		list ($closing_words, $closing_stripped) = $this->_split($closing_lines);
+
+		$this->MappedDiff($orig_words, $closing_words,
+						  $orig_stripped, $closing_stripped);
+		wfProfileOut( $fname );
+	}
+
+	function _split($lines) {
+		$fname = 'WordLevelDiff::_split';
+		wfProfileIn( $fname );
+
+		$words = array();
+		$stripped = array();
+		$first = true;
+		foreach ( $lines as $line ) {
+			# If the line is too long, just pretend the entire line is one big word
+			# This prevents resource exhaustion problems
+			if ( $first ) {
+				$first = false;
+			} else {
+				$words[] = "\n";
+				$stripped[] = "\n";
+			}
+			if ( strlen( $line ) > MAX_DIFF_LINE ) {
+				$words[] = $line;
+				$stripped[] = $line;
+			} else {
+				if (preg_match_all('/ ( [^\S\n]+ | [0-9_A-Za-z\x80-\xff]+ | . ) (?: (?!< \n) [^\S\n])? /xs',
+					$line, $m))
+				{
+					$words = array_merge( $words, $m[0] );
+					$stripped = array_merge( $stripped, $m[1] );
+				}
+			}
+		}
+		wfProfileOut( $fname );
+		return array($words, $stripped);
+	}
+
+	function orig () {
+		$fname = 'WordLevelDiff::orig';
+		wfProfileIn( $fname );
+		$orig = new _HWLDF_WordAccumulator;
+
+		foreach ($this->edits as $edit) {
+			if ($edit->type == 'copy')
+				$orig->addWords($edit->orig);
+			elseif ($edit->orig)
+				$orig->addWords($edit->orig, 'mark');
+		}
+		$lines = $orig->getLines();
+		wfProfileOut( $fname );
+		return $lines;
+	}
+
+	function closing () {
+		$fname = 'WordLevelDiff::closing';
+		wfProfileIn( $fname );
+		$closing = new _HWLDF_WordAccumulator;
+
+		foreach ($this->edits as $edit) {
+			if ($edit->type == 'copy')
+				$closing->addWords($edit->closing);
+			elseif ($edit->closing)
+				$closing->addWords($edit->closing, 'mark');
+		}
+		$lines = $closing->getLines();
+		wfProfileOut( $fname );
+		return $lines;
+	}
+}
+
+/**
+ *	Wikipedia Table style diff formatter.
+ * @todo document
+ * @private
+ * @package MediaWiki
+ * @subpackage DifferenceEngine
+ */
+class TableDiffFormatter extends DiffFormatter
+{
+	function TableDiffFormatter() {
+		$this->leading_context_lines = 2;
+		$this->trailing_context_lines = 2;
+	}
+
+	function _block_header( $xbeg, $xlen, $ybeg, $ylen ) {
+		$r = '<tr><td colspan="2" align="left"><strong><!--LINE '.$xbeg."--></strong></td>\n" .
+		  '<td colspan="2" align="left"><strong><!--LINE '.$ybeg."--></strong></td></tr>\n";
+		return $r;
+	}
+
+	function _start_block( $header ) {
+		echo $header;
+	}
+
+	function _end_block() {
+	}
+
+	function _lines( $lines, $prefix=' ', $color='white' ) {
+	}
+
+	# HTML-escape parameter before calling this
+	function addedLine( $line ) {
+		return "<td>+</td><td class='diff-addedline'>{$line}</td>";
+	}
+
+	# HTML-escape parameter before calling this
+	function deletedLine( $line ) {
+		return "<td>-</td><td class='diff-deletedline'>{$line}</td>";
+	}
+
+	# HTML-escape parameter before calling this
+	function contextLine( $line ) {
+		return "<td> </td><td class='diff-context'>{$line}</td>";
+	}
+
+	function emptyLine() {
+		return '<td colspan="2">&nbsp;</td>';
+	}
+
+	function _added( $lines ) {
+		foreach ($lines as $line) {
+			echo '<tr>' . $this->emptyLine() .
+				$this->addedLine( htmlspecialchars ( $line ) ) . "</tr>\n";
+		}
+	}
+
+	function _deleted($lines) {
+		foreach ($lines as $line) {
+			echo '<tr>' . $this->deletedLine( htmlspecialchars ( $line ) ) .
+			  $this->emptyLine() . "</tr>\n";
+		}
+	}
+
+	function _context( $lines ) {
+		foreach ($lines as $line) {
+			echo '<tr>' .
+				$this->contextLine( htmlspecialchars ( $line ) ) .
+				$this->contextLine( htmlspecialchars ( $line ) ) . "</tr>\n";
+		}
+	}
+
+	function _changed( $orig, $closing ) {
+		$fname = 'TableDiffFormatter::_changed';
+		wfProfileIn( $fname );
+
+		$diff = new WordLevelDiff( $orig, $closing );
+		$del = $diff->orig();
+		$add = $diff->closing();
+
+		# Notice that WordLevelDiff returns HTML-escaped output.
+		# Hence, we will be calling addedLine/deletedLine without HTML-escaping.
+
+		while ( $line = array_shift( $del ) ) {
+			$aline = array_shift( $add );
+			echo '<tr>' . $this->deletedLine( $line ) .
+				$this->addedLine( $aline ) . "</tr>\n";
+		}
+		foreach ($add as $line) {	# If any leftovers
+			echo '<tr>' . $this->emptyLine() .
+				$this->addedLine( $line ) . "</tr>\n";
+		}
+		wfProfileOut( $fname );
+	}
+}
+
+?>
diff --git a/includes/DjVuImage.php b/includes/DjVuImage.php
new file mode 100644
index 00000000..b857fa66
--- /dev/null
+++ b/includes/DjVuImage.php
@@ -0,0 +1,214 @@
+<?php
+/**
+ * Support for detecting/validating DjVu image files and getting
+ * some basic file metadata (resolution etc)
+ *
+ * File format docs are available in source package for DjVuLibre:
+ * http://djvulibre.djvuzone.org/
+ *
+ *
+ * Copyright (C) 2006 Brion Vibber <brion@pobox.com>
+ * http://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @package MediaWiki
+ */
+
+class DjVuImage {
+	function __construct( $filename ) {
+		$this->mFilename = $filename;
+	}
+	
+	/**
+	 * Check if the given file is indeed a valid DjVu image file
+	 * @return bool
+	 */
+	public function isValid() {
+		$info = $this->getInfo();
+		return $info !== false;
+	}
+	
+	
+	/**
+	 * Return data in the style of getimagesize()
+	 * @return array or false on failure
+	 */
+	public function getImageSize() {
+		$data = $this->getInfo();
+		
+		if( $data !== false ) {
+			$width  = $data['width'];
+			$height = $data['height'];
+			
+			return array( $width, $height, 'DjVu',
+				"width=\"$width\" height=\"$height\"" );
+		}
+		return false;
+	}
+	
+	// ---------
+	
+	/**
+	 * For debugging; dump the IFF chunk structure
+	 */
+	function dump() {
+		$file = fopen( $this->mFilename, 'rb' );
+		$header = fread( $file, 12 );
+		extract( unpack( 'a4magic/a4chunk/NchunkLength', $header ) );
+		echo "$chunk $chunkLength\n";
+		$this->dumpForm( $file, $chunkLength, 1 );
+		fclose( $file );
+	}
+	
+	private function dumpForm( $file, $length, $indent ) {
+		$start = ftell( $file );
+		$secondary = fread( $file, 4 );
+		echo str_repeat( ' ', $indent * 4 ) . "($secondary)\n";
+		while( ftell( $file ) - $start < $length ) {
+			$chunkHeader = fread( $file, 8 );
+			if( $chunkHeader == '' ) {
+				break;
+			}
+			extract( unpack( 'a4chunk/NchunkLength', $chunkHeader ) );
+			echo str_repeat( ' ', $indent * 4 ) . "$chunk $chunkLength\n";
+			
+			if( $chunk == 'FORM' ) {
+				$this->dumpForm( $file, $chunkLength, $indent + 1 );
+			} else {
+				fseek( $file, $chunkLength, SEEK_CUR );
+				if( $chunkLength & 1 == 1 ) {
+					// Padding byte between chunks
+					fseek( $file, 1, SEEK_CUR );
+				}
+			}
+		}
+	}
+	
+	function getInfo() {
+		$file = fopen( $this->mFilename, 'rb' );
+		if( $file === false ) {
+			wfDebug( __METHOD__ . ": missing or failed file read\n" );
+			return false;
+		}
+		
+		$header = fread( $file, 16 );
+		$info = false;
+		
+		if( strlen( $header ) < 16 ) {
+			wfDebug( __METHOD__ . ": too short file header\n" );
+		} else {
+			extract( unpack( 'a4magic/a4form/NformLength/a4subtype', $header ) );
+			
+			if( $magic != 'AT&T' ) {
+				wfDebug( __METHOD__ . ": not a DjVu file\n" );
+			} elseif( $subtype == 'DJVU' ) {
+				// Single-page document
+				$info = $this->getPageInfo( $file, $formLength );
+			} elseif( $subtype == 'DJVM' ) {
+				// Multi-page document
+				$info = $this->getMultiPageInfo( $file, $formLength );
+			} else  {
+				wfDebug( __METHOD__ . ": unrecognized DJVU file type '$formType'\n" );
+			}
+		}
+		fclose( $file );
+		return $info;
+	}
+	
+	private function readChunk( $file ) {
+		$header = fread( $file, 8 );
+		if( strlen( $header ) < 8 ) {
+			return array( false, 0 );
+		} else {
+			extract( unpack( 'a4chunk/Nlength', $header ) );
+			return array( $chunk, $length );
+		}
+	}
+	
+	private function skipChunk( $file, $chunkLength ) {
+		fseek( $file, $chunkLength, SEEK_CUR );
+		
+		if( $chunkLength & 0x01 == 1 && !feof( $file ) ) {
+			// padding byte
+			fseek( $file, 1, SEEK_CUR );
+		}
+	}
+	
+	private function getMultiPageInfo( $file, $formLength ) {
+		// For now, we'll just look for the first page in the file
+		// and report its information, hoping others are the same size.
+		$start = ftell( $file );
+		do {
+			list( $chunk, $length ) = $this->readChunk( $file );
+			if( !$chunk ) {
+				break;
+			}
+			
+			if( $chunk == 'FORM' ) {
+				$subtype = fread( $file, 4 );
+				if( $subtype == 'DJVU' ) {
+					wfDebug( __METHOD__ . ": found first subpage\n" );
+					return $this->getPageInfo( $file, $length );
+				}
+				$this->skipChunk( $file, $length - 4 );
+			} else {
+				wfDebug( __METHOD__ . ": skipping '$chunk' chunk\n" );
+				$this->skipChunk( $file, $length );
+			}
+		} while( $length != 0 && !feof( $file ) && ftell( $file ) - $start < $formLength );
+		
+		wfDebug( __METHOD__ . ": multi-page DJVU file contained no pages\n" );
+		return false;
+	}
+	
+	private function getPageInfo( $file, $formLength ) {
+		list( $chunk, $length ) = $this->readChunk( $file );
+		if( $chunk != 'INFO' ) {
+			wfDebug( __METHOD__ . ": expected INFO chunk, got '$chunk'\n" );
+			return false;
+		}
+		
+		if( $length < 9 ) {
+			wfDebug( __METHOD__ . ": INFO should be 9 or 10 bytes, found $length\n" );
+			return false;
+		}
+		$data = fread( $file, $length );
+		if( strlen( $data ) < $length ) {
+			wfDebug( __METHOD__ . ": INFO chunk cut off\n" );
+			return false;
+		}
+		
+		extract( unpack(
+			'nwidth/' .
+			'nheight/' .
+			'Cminor/' .
+			'Cmajor/' .
+			'vresolution/' .
+			'Cgamma', $data ) );
+		# Newer files have rotation info in byte 10, but we don't use it yet.
+		
+		return array(
+			'width' => $width,
+			'height' => $height,
+			'version' => "$major.$minor",
+			'resolution' => $resolution,
+			'gamma' => $gamma / 10.0 );
+	}
+}
+
+
+?>
\ No newline at end of file
diff --git a/includes/EditPage.php b/includes/EditPage.php
new file mode 100644
index 00000000..d43a1202
--- /dev/null
+++ b/includes/EditPage.php
@@ -0,0 +1,1864 @@
+<?php
+/**
+ * Contain the EditPage class
+ * @package MediaWiki
+ */
+
+/**
+ * Splitting edit page/HTML interface from Article...
+ * The actual database and text munging is still in Article,
+ * but it should get easier to call those from alternate
+ * interfaces.
+ *
+ * @package MediaWiki
+ */
+
+class EditPage {
+	var $mArticle;
+	var $mTitle;
+	var $mMetaData = '';
+	var $isConflict = false;
+	var $isCssJsSubpage = false;
+	var $deletedSinceEdit = false;
+	var $formtype;
+	var $firsttime;
+	var $lastDelete;
+	var $mTokenOk = false;
+	var $mTriedSave = false;
+	var $tooBig = false;
+	var $kblength = false;
+	var $missingComment = false;
+	var $missingSummary = false;
+	var $allowBlankSummary = false;
+	var $autoSumm = '';
+	var $hookError = '';
+
+	# Form values
+	var $save = false, $preview = false, $diff = false;
+	var $minoredit = false, $watchthis = false, $recreate = false;
+	var $textbox1 = '', $textbox2 = '', $summary = '';
+	var $edittime = '', $section = '', $starttime = '';
+	var $oldid = 0, $editintro = '', $scrolltop = null;
+
+	/**
+	 * @todo document
+	 * @param $article
+	 */
+	function EditPage( $article ) {
+		$this->mArticle =& $article;
+		global $wgTitle;
+		$this->mTitle =& $wgTitle;
+	}
+	
+	/**
+	 * Fetch initial editing page content.
+	 */
+	private function getContent() {
+		global $wgRequest, $wgParser;
+
+		# Get variables from query string :P
+		$section = $wgRequest->getVal( 'section' );
+		$preload = $wgRequest->getVal( 'preload' );
+
+		wfProfileIn( __METHOD__ );
+
+		$text = '';
+		if( !$this->mTitle->exists() ) {
+
+			# If requested, preload some text.
+			$text = $this->getPreloadedText( $preload );
+
+			# We used to put MediaWiki:Newarticletext here if
+			# $text was empty at this point.
+			# This is now shown above the edit box instead.
+		} else {
+			// FIXME: may be better to use Revision class directly
+			// But don't mess with it just yet. Article knows how to
+			// fetch the page record from the high-priority server,
+			// which is needed to guarantee we don't pick up lagged
+			// information.
+			
+			$text = $this->mArticle->getContent();
+			
+			if( $section != '' ) {
+				if( $section == 'new' ) {
+					$text = $this->getPreloadedText( $preload );
+				} else {
+					$text = $wgParser->getSection( $text, $section );
+				}
+			}
+		}
+		
+		wfProfileOut( __METHOD__ );
+		return $text;
+	}
+
+	/**
+	 * Get the contents of a page from its title and remove includeonly tags
+	 *
+	 * @param $preload String: the title of the page.
+	 * @return string The contents of the page.
+	 */
+	private function getPreloadedText($preload) {
+		if ( $preload === '' )
+			return '';
+		else {
+			$preloadTitle = Title::newFromText( $preload );
+			if ( isset( $preloadTitle ) && $preloadTitle->userCanRead() ) {
+				$rev=Revision::newFromTitle($preloadTitle);
+				if ( is_object( $rev ) ) {
+					$text = $rev->getText();
+					// TODO FIXME: AAAAAAAAAAA, this shouldn't be implementing
+					// its own mini-parser! -ævar
+					$text = preg_replace( '~</?includeonly>~', '', $text );
+					return $text;
+				} else
+					return '';
+			}
+		}
+	}
+
+	/**
+	 * This is the function that extracts metadata from the article body on the first view.
+	 * To turn the feature on, set $wgUseMetadataEdit = true ; in LocalSettings
+	 *  and set $wgMetadataWhitelist to the *full* title of the template whitelist
+	 */
+	function extractMetaDataFromArticle () {
+		global $wgUseMetadataEdit , $wgMetadataWhitelist , $wgLang ;
+		$this->mMetaData = '' ;
+		if ( !$wgUseMetadataEdit ) return ;
+		if ( $wgMetadataWhitelist == '' ) return ;
+		$s = '' ;
+		$t = $this->getContent();
+
+		# MISSING : <nowiki> filtering
+
+		# Categories and language links
+		$t = explode ( "\n" , $t ) ;
+		$catlow = strtolower ( $wgLang->getNsText ( NS_CATEGORY ) ) ;
+		$cat = $ll = array() ;
+		foreach ( $t AS $key => $x )
+		{
+			$y = trim ( strtolower ( $x ) ) ;
+			while ( substr ( $y , 0 , 2 ) == '[[' )
+			{
+				$y = explode ( ']]' , trim ( $x ) ) ;
+				$first = array_shift ( $y ) ;
+				$first = explode ( ':' , $first ) ;
+				$ns = array_shift ( $first ) ;
+				$ns = trim ( str_replace ( '[' , '' , $ns ) ) ;
+				if ( strlen ( $ns ) == 2 OR strtolower ( $ns ) == $catlow )
+				{
+					$add = '[[' . $ns . ':' . implode ( ':' , $first ) . ']]' ;
+					if ( strtolower ( $ns ) == $catlow ) $cat[] = $add ;
+					else $ll[] = $add ;
+					$x = implode ( ']]' , $y ) ;
+					$t[$key] = $x ;
+					$y = trim ( strtolower ( $x ) ) ;
+				}
+			}
+		}
+		if ( count ( $cat ) ) $s .= implode ( ' ' , $cat ) . "\n" ;
+		if ( count ( $ll ) ) $s .= implode ( ' ' , $ll ) . "\n" ;
+		$t = implode ( "\n" , $t ) ;
+
+		# Load whitelist
+		$sat = array () ; # stand-alone-templates; must be lowercase
+		$wl_title = Title::newFromText ( $wgMetadataWhitelist ) ;
+		$wl_article = new Article ( $wl_title ) ;
+		$wl = explode ( "\n" , $wl_article->getContent() ) ;
+		foreach ( $wl AS $x )
+		{
+			$isentry = false ;
+			$x = trim ( $x ) ;
+			while ( substr ( $x , 0 , 1 ) == '*' )
+			{
+				$isentry = true ;
+				$x = trim ( substr ( $x , 1 ) ) ;
+			}
+			if ( $isentry )
+			{
+				$sat[] = strtolower ( $x ) ;
+			}
+
+		}
+
+		# Templates, but only some
+		$t = explode ( '{{' , $t ) ;
+		$tl = array () ;
+		foreach ( $t AS $key => $x )
+		{
+			$y = explode ( '}}' , $x , 2 ) ;
+			if ( count ( $y ) == 2 )
+			{
+				$z = $y[0] ;
+				$z = explode ( '|' , $z ) ;
+				$tn = array_shift ( $z ) ;
+				if ( in_array ( strtolower ( $tn ) , $sat ) )
+				{
+					$tl[] = '{{' . $y[0] . '}}' ;
+					$t[$key] = $y[1] ;
+					$y = explode ( '}}' , $y[1] , 2 ) ;
+				}
+				else $t[$key] = '{{' . $x ;
+			}
+			else if ( $key != 0 ) $t[$key] = '{{' . $x ;
+			else $t[$key] = $x ;
+		}
+		if ( count ( $tl ) ) $s .= implode ( ' ' , $tl ) ;
+		$t = implode ( '' , $t ) ;
+
+		$t = str_replace ( "\n\n\n" , "\n" , $t ) ;
+		$this->mArticle->mContent = $t ;
+		$this->mMetaData = $s ;
+	}
+
+	function submit() {
+		$this->edit();
+	}
+
+	/**
+	 * This is the function that gets called for "action=edit". It
+	 * sets up various member variables, then passes execution to
+	 * another function, usually showEditForm()
+	 *
+	 * The edit form is self-submitting, so that when things like
+	 * preview and edit conflicts occur, we get the same form back
+	 * with the extra stuff added.  Only when the final submission
+	 * is made and all is well do we actually save and redirect to
+	 * the newly-edited page.
+	 */
+	function edit() {
+		global $wgOut, $wgUser, $wgRequest, $wgTitle;
+		global $wgEmailConfirmToEdit;
+
+		if ( ! wfRunHooks( 'AlternateEdit', array( &$this  ) ) )
+			return;
+
+		$fname = 'EditPage::edit';
+		wfProfileIn( $fname );
+		wfDebug( "$fname: enter\n" );
+
+		// this is not an article
+		$wgOut->setArticleFlag(false);
+
+		$this->importFormData( $wgRequest );
+		$this->firsttime = false;
+
+		if( $this->live ) {
+			$this->livePreview();
+			wfProfileOut( $fname );
+			return;
+		}
+
+		if ( ! $this->mTitle->userCanEdit() ) {
+			wfDebug( "$fname: user can't edit\n" );
+			$wgOut->readOnlyPage( $this->getContent(), true );
+			wfProfileOut( $fname );
+			return;
+		}
+		wfDebug( "$fname: Checking blocks\n" );
+		if ( !$this->preview && !$this->diff && $wgUser->isBlockedFrom( $this->mTitle, !$this->save ) ) {
+			# When previewing, don't check blocked state - will get caught at save time.
+			# Also, check when starting edition is done against slave to improve performance.
+			wfDebug( "$fname: user is blocked\n" );
+			$this->blockedPage();
+			wfProfileOut( $fname );
+			return;
+		}
+		if ( !$wgUser->isAllowed('edit') ) {
+			if ( $wgUser->isAnon() ) {
+				wfDebug( "$fname: user must log in\n" );
+				$this->userNotLoggedInPage();
+				wfProfileOut( $fname );
+				return;
+			} else {
+				wfDebug( "$fname: read-only page\n" );
+				$wgOut->readOnlyPage( $this->getContent(), true );
+				wfProfileOut( $fname );
+				return;
+			}
+		}
+		if ($wgEmailConfirmToEdit && !$wgUser->isEmailConfirmed()) {
+			wfDebug("$fname: user must confirm e-mail address\n");
+			$this->userNotConfirmedPage();
+			wfProfileOut($fname);
+			return;
+		}
+		if ( !$this->mTitle->userCanCreate() && !$this->mTitle->exists() ) {
+			wfDebug( "$fname: no create permission\n" );
+			$this->noCreatePermission();
+			wfProfileOut( $fname );
+			return;
+		}
+		if ( wfReadOnly() ) {
+			wfDebug( "$fname: read-only mode is engaged\n" );
+			if( $this->save || $this->preview ) {
+				$this->formtype = 'preview';
+			} else if ( $this->diff ) {
+				$this->formtype = 'diff';
+			} else {
+				$wgOut->readOnlyPage( $this->getContent() );
+				wfProfileOut( $fname );
+				return;
+			}
+		} else {
+			if ( $this->save ) {
+				$this->formtype = 'save';
+			} else if ( $this->preview ) {
+				$this->formtype = 'preview';
+			} else if ( $this->diff ) {
+				$this->formtype = 'diff';
+			} else { # First time through
+				$this->firsttime = true;
+				if( $this->previewOnOpen() ) {
+					$this->formtype = 'preview';
+				} else {
+					$this->extractMetaDataFromArticle () ;
+					$this->formtype = 'initial';
+				}
+			}
+		}
+
+		wfProfileIn( "$fname-business-end" );
+
+		$this->isConflict = false;
+		// css / js subpages of user pages get a special treatment
+		$this->isCssJsSubpage      = $wgTitle->isCssJsSubpage();
+		$this->isValidCssJsSubpage = $wgTitle->isValidCssJsSubpage();
+
+		/* Notice that we can't use isDeleted, because it returns true if article is ever deleted
+		 * no matter it's current state
+		 */
+		$this->deletedSinceEdit = false;
+		if ( $this->edittime != '' ) {
+			/* Note that we rely on logging table, which hasn't been always there,
+			 * but that doesn't matter, because this only applies to brand new
+			 * deletes. This is done on every preview and save request. Move it further down
+			 * to only perform it on saves
+			 */
+			if ( $this->mTitle->isDeleted() ) {
+				$this->lastDelete = $this->getLastDelete();
+				if ( !is_null($this->lastDelete) ) {
+					$deletetime = $this->lastDelete->log_timestamp;
+					if ( ($deletetime - $this->starttime) > 0 ) {
+						$this->deletedSinceEdit = true;
+					}
+				}
+			}
+		}
+
+		if(!$this->mTitle->getArticleID() && ('initial' == $this->formtype || $this->firsttime )) { # new article
+			$this->showIntro();
+		}
+		if( $this->mTitle->isTalkPage() ) {
+			$wgOut->addWikiText( wfMsg( 'talkpagetext' ) );
+		}
+
+		# Attempt submission here.  This will check for edit conflicts,
+		# and redundantly check for locked database, blocked IPs, etc.
+		# that edit() already checked just in case someone tries to sneak
+		# in the back door with a hand-edited submission URL.
+
+		if ( 'save' == $this->formtype ) {
+			if ( !$this->attemptSave() ) {
+				wfProfileOut( "$fname-business-end" );
+				wfProfileOut( $fname );
+				return;
+			}
+		}
+
+		# First time through: get contents, set time for conflict
+		# checking, etc.
+		if ( 'initial' == $this->formtype || $this->firsttime ) {
+			$this->initialiseForm();
+			if( !$this->mTitle->getArticleId() ) 
+				wfRunHooks( 'EditFormPreloadText', array( &$this->textbox1, &$this->mTitle ) );
+		}
+
+		$this->showEditForm();
+		wfProfileOut( "$fname-business-end" );
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Return true if this page should be previewed when the edit form
+	 * is initially opened.
+	 * @return bool
+	 * @private
+	 */
+	function previewOnOpen() {
+		global $wgUser;
+		return $this->section != 'new' &&
+			( ( $wgUser->getOption( 'previewonfirst' ) && $this->mTitle->exists() ) ||
+				( $this->mTitle->getNamespace() == NS_CATEGORY &&
+					!$this->mTitle->exists() ) );
+	}
+
+	/**
+	 * @todo document
+	 * @param $request
+	 */
+	function importFormData( &$request ) {
+		global $wgLang, $wgUser;
+		$fname = 'EditPage::importFormData';
+		wfProfileIn( $fname );
+
+		if( $request->wasPosted() ) {
+			# These fields need to be checked for encoding.
+			# Also remove trailing whitespace, but don't remove _initial_
+			# whitespace from the text boxes. This may be significant formatting.
+			$this->textbox1 = $this->safeUnicodeInput( $request, 'wpTextbox1' );
+			$this->textbox2 = $this->safeUnicodeInput( $request, 'wpTextbox2' );
+			$this->mMetaData = rtrim( $request->getText( 'metadata'   ) );
+			# Truncate for whole multibyte characters. +5 bytes for ellipsis
+			$this->summary   = $wgLang->truncate( $request->getText( 'wpSummary'  ), 250 );
+
+			$this->edittime = $request->getVal( 'wpEdittime' );
+			$this->starttime = $request->getVal( 'wpStarttime' );
+
+			$this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
+
+			if( is_null( $this->edittime ) ) {
+				# If the form is incomplete, force to preview.
+				wfDebug( "$fname: Form data appears to be incomplete\n" );
+				wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
+				$this->preview  = true;
+			} else {
+				/* Fallback for live preview */
+				$this->preview = $request->getCheck( 'wpPreview' ) || $request->getCheck( 'wpLivePreview' );
+				$this->diff = $request->getCheck( 'wpDiff' );
+
+				// Remember whether a save was requested, so we can indicate
+				// if we forced preview due to session failure.
+				$this->mTriedSave = !$this->preview;
+				
+				if ( $this->tokenOk( $request ) ) {
+					# Some browsers will not report any submit button
+					# if the user hits enter in the comment box.
+					# The unmarked state will be assumed to be a save,
+					# if the form seems otherwise complete.
+					wfDebug( "$fname: Passed token check.\n" );
+				} else {
+					# Page might be a hack attempt posted from
+					# an external site. Preview instead of saving.
+					wfDebug( "$fname: Failed token check; forcing preview\n" );
+					$this->preview = true;
+				}
+			}
+			$this->save    = ! ( $this->preview OR $this->diff );
+			if( !preg_match( '/^\d{14}$/', $this->edittime )) {
+				$this->edittime = null;
+			}
+
+			if( !preg_match( '/^\d{14}$/', $this->starttime )) {
+				$this->starttime = null;
+			}
+
+			$this->recreate  = $request->getCheck( 'wpRecreate' );
+
+			$this->minoredit = $request->getCheck( 'wpMinoredit' );
+			$this->watchthis = $request->getCheck( 'wpWatchthis' );
+
+			# Don't force edit summaries when a user is editing their own user or talk page
+			if( ( $this->mTitle->mNamespace == NS_USER || $this->mTitle->mNamespace == NS_USER_TALK ) && $this->mTitle->getText() == $wgUser->getName() ) {
+				$this->allowBlankSummary = true;
+			} else {
+				$this->allowBlankSummary = $request->getBool( 'wpIgnoreBlankSummary' );
+			}
+	
+			$this->autoSumm = $request->getText( 'wpAutoSummary' );			
+		} else {
+			# Not a posted form? Start with nothing.
+			wfDebug( "$fname: Not a posted form.\n" );
+			$this->textbox1  = '';
+			$this->textbox2  = '';
+			$this->mMetaData = '';
+			$this->summary   = '';
+			$this->edittime  = '';
+			$this->starttime = wfTimestampNow();
+			$this->preview   = false;
+			$this->save      = false;
+			$this->diff	 = false;
+			$this->minoredit = false;
+			$this->watchthis = false;
+			$this->recreate  = false;
+		}
+
+		$this->oldid = $request->getInt( 'oldid' );
+
+		# Section edit can come from either the form or a link
+		$this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
+
+		$this->live = $request->getCheck( 'live' );
+		$this->editintro = $request->getText( 'editintro' );
+
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Make sure the form isn't faking a user's credentials.
+	 *
+	 * @param $request WebRequest
+	 * @return bool
+	 * @private
+	 */
+	function tokenOk( &$request ) {
+		global $wgUser;
+		if( $wgUser->isAnon() ) {
+			# Anonymous users may not have a session
+			# open. Don't tokenize.
+			$this->mTokenOk = true;
+		} else {
+			$this->mTokenOk = $wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
+		}
+		return $this->mTokenOk;
+	}
+
+	/** */
+	function showIntro() {
+		global $wgOut, $wgUser;
+		$addstandardintro=true;
+		if($this->editintro) {
+			$introtitle=Title::newFromText($this->editintro);
+			if(isset($introtitle) && $introtitle->userCanRead()) {
+				$rev=Revision::newFromTitle($introtitle);
+				if($rev) {
+					$wgOut->addSecondaryWikiText($rev->getText());
+					$addstandardintro=false;
+				}
+			}
+		}
+		if($addstandardintro) {
+			if ( $wgUser->isLoggedIn() )
+				$wgOut->addWikiText( wfMsg( 'newarticletext' ) );
+			else
+				$wgOut->addWikiText( wfMsg( 'newarticletextanon' ) );
+		}
+	}
+
+	/**
+	 * Attempt submission
+	 * @return bool false if output is done, true if the rest of the form should be displayed
+	 */
+	function attemptSave() {
+		global $wgSpamRegex, $wgFilterCallback, $wgUser, $wgOut;
+		global $wgMaxArticleSize;
+
+		$fname = 'EditPage::attemptSave';
+		wfProfileIn( $fname );
+		wfProfileIn( "$fname-checks" );
+
+		# Reintegrate metadata
+		if ( $this->mMetaData != '' ) $this->textbox1 .= "\n" . $this->mMetaData ;
+		$this->mMetaData = '' ;
+
+		# Check for spam
+		if ( $wgSpamRegex && preg_match( $wgSpamRegex, $this->textbox1, $matches ) ) {
+			$this->spamPage ( $matches[0] );
+			wfProfileOut( "$fname-checks" );
+			wfProfileOut( $fname );
+			return false;
+		}
+		if ( $wgFilterCallback && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section ) ) {
+			# Error messages or other handling should be performed by the filter function
+			wfProfileOut( $fname );
+			wfProfileOut( "$fname-checks" );
+			return false;
+		}
+		if ( !wfRunHooks( 'EditFilter', array( $this, $this->textbox1, $this->section, &$this->hookError ) ) ) {
+			# Error messages etc. could be handled within the hook...
+			wfProfileOut( $fname );
+			wfProfileOut( "$fname-checks" );
+			return false;
+		} elseif( $this->hookError != '' ) {
+			# ...or the hook could be expecting us to produce an error
+			wfProfileOut( "$fname-checks " );
+			wfProfileOut( $fname );
+			return true;
+		}
+		if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
+			# Check block state against master, thus 'false'.
+			$this->blockedPage();
+			wfProfileOut( "$fname-checks" );
+			wfProfileOut( $fname );
+			return false;
+		}
+		$this->kblength = (int)(strlen( $this->textbox1 ) / 1024);
+		if ( $this->kblength > $wgMaxArticleSize ) {
+			// Error will be displayed by showEditForm()
+			$this->tooBig = true;
+			wfProfileOut( "$fname-checks" );
+			wfProfileOut( $fname );
+			return true;
+		}
+		
+		if ( !$wgUser->isAllowed('edit') ) {
+			if ( $wgUser->isAnon() ) {
+				$this->userNotLoggedInPage();
+				wfProfileOut( "$fname-checks" );
+				wfProfileOut( $fname );
+				return false;
+			}
+			else {
+				$wgOut->readOnlyPage();
+				wfProfileOut( "$fname-checks" );
+				wfProfileOut( $fname );
+				return false;
+			}
+		}
+
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			wfProfileOut( "$fname-checks" );
+			wfProfileOut( $fname );
+			return false;
+		}
+		if ( $wgUser->pingLimiter() ) {
+			$wgOut->rateLimited();
+			wfProfileOut( "$fname-checks" );
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		# If the article has been deleted while editing, don't save it without
+		# confirmation
+		if ( $this->deletedSinceEdit && !$this->recreate ) {
+			wfProfileOut( "$fname-checks" );
+			wfProfileOut( $fname );
+			return true;
+		}
+
+		wfProfileOut( "$fname-checks" );
+
+		# If article is new, insert it.
+		$aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
+		if ( 0 == $aid ) {
+			// Late check for create permission, just in case *PARANOIA*
+			if ( !$this->mTitle->userCanCreate() ) {
+				wfDebug( "$fname: no create permission\n" );
+				$this->noCreatePermission();
+				wfProfileOut( $fname );
+				return;
+			}
+
+			# Don't save a new article if it's blank.
+			if ( ( '' == $this->textbox1 ) ) {
+					$wgOut->redirect( $this->mTitle->getFullURL() );
+					wfProfileOut( $fname );
+					return false;
+			}
+
+			# If no edit comment was given when creating a new page, and what's being
+			# created is a redirect, be smart and fill in a neat auto-comment
+			if( $this->summary == '' ) {
+				$rt = Title::newFromRedirect( $this->textbox1 );
+				if( is_object( $rt ) )
+					$this->summary = wfMsgForContent( 'autoredircomment', $rt->getPrefixedText() );
+			}
+
+			$isComment=($this->section=='new');
+			$this->mArticle->insertNewArticle( $this->textbox1, $this->summary,
+				$this->minoredit, $this->watchthis, false, $isComment);
+
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		# Article exists. Check for edit conflict.
+
+		$this->mArticle->clear(); # Force reload of dates, etc.
+		$this->mArticle->forUpdate( true ); # Lock the article
+
+		if( $this->mArticle->getTimestamp() != $this->edittime ) {
+			$this->isConflict = true;
+			if( $this->section == 'new' ) {
+				if( $this->mArticle->getUserText() == $wgUser->getName() &&
+					$this->mArticle->getComment() == $this->summary ) {
+					// Probably a duplicate submission of a new comment.
+					// This can happen when squid resends a request after
+					// a timeout but the first one actually went through.
+					wfDebug( "EditPage::editForm duplicate new section submission; trigger edit conflict!\n" );
+				} else {
+					// New comment; suppress conflict.
+					$this->isConflict = false;
+					wfDebug( "EditPage::editForm conflict suppressed; new section\n" );
+				}
+			}
+		}
+		$userid = $wgUser->getID();
+
+		if ( $this->isConflict) {
+			wfDebug( "EditPage::editForm conflict! getting section '$this->section' for time '$this->edittime' (article time '" .
+				$this->mArticle->getTimestamp() . "'\n" );
+			$text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $this->summary, $this->edittime);
+		}
+		else {
+			wfDebug( "EditPage::editForm getting section '$this->section'\n" );
+			$text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $this->summary);
+		}
+		if( is_null( $text ) ) {
+			wfDebug( "EditPage::editForm activating conflict; section replace failed.\n" );
+			$this->isConflict = true;
+			$text = $this->textbox1;
+		}
+
+		# Suppress edit conflict with self, except for section edits where merging is required.
+		if ( ( $this->section == '' ) && ( 0 != $userid ) && ( $this->mArticle->getUser() == $userid ) ) {
+			wfDebug( "Suppressing edit conflict, same user.\n" );
+			$this->isConflict = false;
+		} else {
+			# switch from section editing to normal editing in edit conflict
+			if($this->isConflict) {
+				# Attempt merge
+				if( $this->mergeChangesInto( $text ) ){
+					// Successful merge! Maybe we should tell the user the good news?
+					$this->isConflict = false;
+					wfDebug( "Suppressing edit conflict, successful merge.\n" );
+				} else {
+					$this->section = '';
+					$this->textbox1 = $text;
+					wfDebug( "Keeping edit conflict, failed merge.\n" );
+				}
+			}
+		}
+
+		if ( $this->isConflict ) {
+			wfProfileOut( $fname );
+			return true;
+		}
+
+		# If no edit comment was given when turning a page into a redirect, be smart
+		# and fill in a neat auto-comment
+		if( $this->summary == '' ) {
+			$rt = Title::newFromRedirect( $this->textbox1 );
+			if( is_object( $rt ) )
+				$this->summary = wfMsgForContent( 'autoredircomment', $rt->getPrefixedText() );
+		}
+
+		# Handle the user preference to force summaries here
+		if( $this->section != 'new' && !$this->allowBlankSummary && $wgUser->getOption( 'forceeditsummary' ) ) {
+			if( md5( $this->summary ) == $this->autoSumm ) {
+				$this->missingSummary = true;
+				wfProfileOut( $fname );
+				return( true );
+			}
+		}
+
+		# All's well
+		wfProfileIn( "$fname-sectionanchor" );
+		$sectionanchor = '';
+		if( $this->section == 'new' ) {
+			if ( $this->textbox1 == '' ) {
+				$this->missingComment = true;
+				return true;
+			}
+			if( $this->summary != '' ) {
+				$sectionanchor = $this->sectionAnchor( $this->summary );
+			}
+		} elseif( $this->section != '' ) {
+			# Try to get a section anchor from the section source, redirect to edited section if header found
+			# XXX: might be better to integrate this into Article::replaceSection
+			# for duplicate heading checking and maybe parsing
+			$hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
+			# we can't deal with anchors, includes, html etc in the header for now,
+			# headline would need to be parsed to improve this
+			if($hasmatch and strlen($matches[2]) > 0) {
+				$sectionanchor = $this->sectionAnchor( $matches[2] );
+			}
+		}
+		wfProfileOut( "$fname-sectionanchor" );
+
+		// Save errors may fall down to the edit form, but we've now
+		// merged the section into full text. Clear the section field
+		// so that later submission of conflict forms won't try to
+		// replace that into a duplicated mess.
+		$this->textbox1 = $text;
+		$this->section = '';
+
+		// Check for length errors again now that the section is merged in
+		$this->kblength = (int)(strlen( $text ) / 1024);
+		if ( $this->kblength > $wgMaxArticleSize ) {
+			$this->tooBig = true;
+			wfProfileOut( $fname );
+			return true;
+		}
+
+		# update the article here
+		if( $this->mArticle->updateArticle( $text, $this->summary, $this->minoredit,
+			$this->watchthis, '', $sectionanchor ) ) {
+			wfProfileOut( $fname );
+			return false;
+		} else {
+			$this->isConflict = true;
+		}
+		wfProfileOut( $fname );
+		return true;
+	}
+
+	/**
+	 * Initialise form fields in the object
+	 * Called on the first invocation, e.g. when a user clicks an edit link
+	 */
+	function initialiseForm() {
+		$this->edittime = $this->mArticle->getTimestamp();
+		$this->textbox1 = $this->getContent();
+		$this->summary = '';
+		if ( !$this->mArticle->exists() && $this->mArticle->mTitle->getNamespace() == NS_MEDIAWIKI )
+			$this->textbox1 = wfMsgWeirdKey( $this->mArticle->mTitle->getText() ) ;
+		wfProxyCheck();
+	}
+
+	/**
+	 * Send the edit form and related headers to $wgOut
+	 * @param $formCallback Optional callable that takes an OutputPage
+	 *                      parameter; will be called during form output
+	 *                      near the top, for captchas and the like.
+	 */
+	function showEditForm( $formCallback=null ) {
+		global $wgOut, $wgUser, $wgLang, $wgContLang, $wgMaxArticleSize;
+
+		$fname = 'EditPage::showEditForm';
+		wfProfileIn( $fname );
+
+		$sk =& $wgUser->getSkin();
+
+		wfRunHooks( 'EditPage::showEditForm:initial', array( &$this ) ) ;
+
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+		# Enabled article-related sidebar, toplinks, etc.
+		$wgOut->setArticleRelated( true );
+
+		if ( $this->isConflict ) {
+			$s = wfMsg( 'editconflict', $this->mTitle->getPrefixedText() );
+			$wgOut->setPageTitle( $s );
+			$wgOut->addWikiText( wfMsg( 'explainconflict' ) );
+
+			$this->textbox2 = $this->textbox1;
+			$this->textbox1 = $this->getContent();
+			$this->edittime = $this->mArticle->getTimestamp();
+		} else {
+
+			if( $this->section != '' ) {
+				if( $this->section == 'new' ) {
+					$s = wfMsg('editingcomment', $this->mTitle->getPrefixedText() );
+				} else {
+					$s = wfMsg('editingsection', $this->mTitle->getPrefixedText() );
+					if( !$this->preview && !$this->diff ) {
+						preg_match( "/^(=+)(.+)\\1/mi",
+							$this->textbox1,
+							$matches );
+						if( !empty( $matches[2] ) ) {
+							$this->summary = "/* ". trim($matches[2])." */ ";
+						}
+					}
+				}
+			} else {
+				$s = wfMsg( 'editing', $this->mTitle->getPrefixedText() );
+			}
+			$wgOut->setPageTitle( $s );
+
+			if ( $this->missingComment ) {
+				$wgOut->addWikiText( wfMsg( 'missingcommenttext' ) );
+			}
+			
+			if( $this->missingSummary ) {
+				$wgOut->addWikiText( wfMsg( 'missingsummary' ) );
+			}
+			
+			if( !$this->hookError == '' ) {
+				$wgOut->addWikiText( $this->hookError );
+			}
+
+			if ( !$this->checkUnicodeCompliantBrowser() ) {
+				$wgOut->addWikiText( wfMsg( 'nonunicodebrowser') );
+			}
+			if ( isset( $this->mArticle )
+			     && isset( $this->mArticle->mRevision )
+			     && !$this->mArticle->mRevision->isCurrent() ) {
+				$this->mArticle->setOldSubtitle( $this->mArticle->mRevision->getId() );
+				$wgOut->addWikiText( wfMsg( 'editingold' ) );
+			}
+		}
+
+		if( wfReadOnly() ) {
+			$wgOut->addWikiText( wfMsg( 'readonlywarning' ) );
+		} elseif( $wgUser->isAnon() && $this->formtype != 'preview' ) {
+			$wgOut->addWikiText( wfMsg( 'anoneditwarning' ) );
+		} else {
+			if( $this->isCssJsSubpage && $this->formtype != 'preview' ) {
+				# Check the skin exists
+				if( $this->isValidCssJsSubpage ) {
+					$wgOut->addWikiText( wfMsg( 'usercssjsyoucanpreview' ) );
+				} else {
+					$wgOut->addWikiText( wfMsg( 'userinvalidcssjstitle', $this->mTitle->getSkinFromCssJsSubpage() ) );
+				}
+			}
+		}
+			
+		if( $this->mTitle->isProtected( 'edit' ) ) {
+			# Is the protection due to the namespace, e.g. interface text?
+			if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+				# Yes; remind the user
+				$notice = wfMsg( 'editinginterface' );
+			} elseif( $this->mTitle->isSemiProtected() ) {
+				# No; semi protected
+				$notice = wfMsg( 'semiprotectedpagewarning' );
+				if( wfEmptyMsg( 'semiprotectedpagewarning', $notice ) || $notice == '-' ) {
+					$notice = '';
+				}
+			} else {
+				# No; regular protection
+				$notice = wfMsg( 'protectedpagewarning' );
+			}
+			$wgOut->addWikiText( $notice );
+		}
+
+		if ( $this->kblength === false ) {
+			$this->kblength = (int)(strlen( $this->textbox1 ) / 1024);
+		}
+		if ( $this->tooBig || $this->kblength > $wgMaxArticleSize ) {
+			$wgOut->addWikiText( wfMsg( 'longpageerror', $wgLang->formatNum( $this->kblength ), $wgMaxArticleSize ) );
+		} elseif( $this->kblength > 29 ) {
+			$wgOut->addWikiText( wfMsg( 'longpagewarning', $wgLang->formatNum( $this->kblength ) ) );
+		}
+
+		$rows = $wgUser->getIntOption( 'rows' );
+		$cols = $wgUser->getIntOption( 'cols' );
+
+		$ew = $wgUser->getOption( 'editwidth' );
+		if ( $ew ) $ew = " style=\"width:100%\"";
+		else $ew = '';
+
+		$q = 'action=submit';
+		#if ( "no" == $redirect ) { $q .= "&redirect=no"; }
+		$action = $this->mTitle->escapeLocalURL( $q );
+
+		$summary = wfMsg('summary');
+		$subject = wfMsg('subject');
+		$minor   = wfMsgExt('minoredit', array('parseinline'));
+		$watchthis = wfMsgExt('watchthis', array('parseinline'));
+
+		$cancel = $sk->makeKnownLink( $this->mTitle->getPrefixedText(),
+				wfMsgExt('cancel', array('parseinline')) );
+		$edithelpurl = $sk->makeInternalOrExternalUrl( wfMsgForContent( 'edithelppage' ));
+		$edithelp = '<a target="helpwindow" href="'.$edithelpurl.'">'.
+			htmlspecialchars( wfMsg( 'edithelp' ) ).'</a> '.
+			htmlspecialchars( wfMsg( 'newwindow' ) );
+
+		global $wgRightsText;
+		$copywarn = "<div id=\"editpage-copywarn\">\n" .
+			wfMsg( $wgRightsText ? 'copyrightwarning' : 'copyrightwarning2',
+				'[[' . wfMsgForContent( 'copyrightpage' ) . ']]',
+				$wgRightsText ) . "\n</div>";
+
+		if( $wgUser->getOption('showtoolbar') and !$this->isCssJsSubpage ) {
+			# prepare toolbar for edit buttons
+			$toolbar = $this->getEditToolbar();
+		} else {
+			$toolbar = '';
+		}
+
+		// activate checkboxes if user wants them to be always active
+		if( !$this->preview && !$this->diff ) {
+			# Sort out the "watch" checkbox
+			if( $wgUser->getOption( 'watchdefault' ) ) {
+				# Watch all edits
+				$this->watchthis = true;
+			} elseif( $wgUser->getOption( 'watchcreations' ) && !$this->mTitle->exists() ) {
+				# Watch creations
+				$this->watchthis = true;
+			} elseif( $this->mTitle->userIsWatching() ) {
+				# Already watched
+				$this->watchthis = true;
+			}
+			
+			if( $wgUser->getOption( 'minordefault' ) ) $this->minoredit = true;
+		}
+
+		$minoredithtml = '';
+
+		if ( $wgUser->isAllowed('minoredit') ) {
+			$minoredithtml =
+				"<input tabindex='3' type='checkbox' value='1' name='wpMinoredit'".($this->minoredit?" checked='checked'":"").
+				" accesskey='".wfMsg('accesskey-minoredit')."' id='wpMinoredit' />\n".
+				"<label for='wpMinoredit' title='".wfMsg('tooltip-minoredit')."'>{$minor}</label>\n";
+		}
+
+		$watchhtml = '';
+
+		if ( $wgUser->isLoggedIn() ) {
+			$watchhtml = "<input tabindex='4' type='checkbox' name='wpWatchthis'".
+				($this->watchthis?" checked='checked'":"").
+				" accesskey=\"".htmlspecialchars(wfMsg('accesskey-watch'))."\" id='wpWatchthis'  />\n".
+				"<label for='wpWatchthis' title=\"" .
+					htmlspecialchars(wfMsg('tooltip-watch'))."\">{$watchthis}</label>\n";
+		}
+
+		$checkboxhtml = $minoredithtml . $watchhtml;
+
+		if ( $wgUser->getOption( 'previewontop' ) ) {
+
+			if ( 'preview' == $this->formtype ) {
+				$this->showPreview();
+			} else {
+				$wgOut->addHTML( '<div id="wikiPreview"></div>' );
+			}
+
+			if ( 'diff' == $this->formtype ) {
+				$wgOut->addHTML( $this->getDiff() );
+			}
+		}
+
+
+		# if this is a comment, show a subject line at the top, which is also the edit summary.
+		# Otherwise, show a summary field at the bottom
+		$summarytext = htmlspecialchars( $wgContLang->recodeForEdit( $this->summary ) ); # FIXME
+		if( $this->section == 'new' ) {
+			$commentsubject="<span id='wpSummaryLabel'><label for='wpSummary'>{$subject}:</label></span>\n<div class='editOptions'>\n<input tabindex='1' type='text' value=\"$summarytext\" name='wpSummary' id='wpSummary' maxlength='200' size='60' /><br />";
+			$editsummary = '';
+		} else {
+			$commentsubject = '';
+			$editsummary="<span id='wpSummaryLabel'><label for='wpSummary'>{$summary}:</label></span>\n<div class='editOptions'>\n<input tabindex='2' type='text' value=\"$summarytext\" name='wpSummary' id='wpSummary' maxlength='200' size='60' /><br />";
+		}
+
+		# Set focus to the edit box on load, except on preview or diff, where it would interfere with the display
+		if( !$this->preview && !$this->diff ) {
+			$wgOut->setOnloadHandler( 'document.editform.wpTextbox1.focus()' );
+		}
+		$templates = $this->formatTemplates();
+
+		global $wgUseMetadataEdit ;
+		if ( $wgUseMetadataEdit ) {
+			$metadata = $this->mMetaData ;
+			$metadata = htmlspecialchars( $wgContLang->recodeForEdit( $metadata ) ) ;
+			$top = wfMsgWikiHtml( 'metadata_help' );
+			$metadata = $top . "<textarea name='metadata' rows='3' cols='{$cols}'{$ew}>{$metadata}</textarea>" ;
+		}
+		else $metadata = "" ;
+
+		$hidden = '';
+		$recreate = '';
+		if ($this->deletedSinceEdit) {
+			if ( 'save' != $this->formtype ) {
+				$wgOut->addWikiText( wfMsg('deletedwhileediting'));
+			} else {
+				// Hide the toolbar and edit area, use can click preview to get it back
+				// Add an confirmation checkbox and explanation.
+				$toolbar = '';
+				$hidden = 'type="hidden" style="display:none;"';
+				$recreate = $wgOut->parse( wfMsg( 'confirmrecreate',  $this->lastDelete->user_name , $this->lastDelete->log_comment ));
+				$recreate .=
+					"<br /><input tabindex='1' type='checkbox' value='1' name='wpRecreate' id='wpRecreate' />".
+					"<label for='wpRecreate' title='".wfMsg('tooltip-recreate')."'>". wfMsg('recreate')."</label>";
+			}
+		}
+
+		$temp = array(
+			'id'        => 'wpSave',
+			'name'      => 'wpSave',
+			'type'      => 'submit',
+			'tabindex'  => '5',
+			'value'     => wfMsg('savearticle'),
+			'accesskey' => wfMsg('accesskey-save'),
+			'title'     => wfMsg('tooltip-save'),
+		);
+		$buttons['save'] = wfElement('input', $temp, '');
+		$temp = array(
+			'id'        => 'wpDiff',
+			'name'      => 'wpDiff',
+			'type'      => 'submit',
+			'tabindex'  => '7',
+			'value'     => wfMsg('showdiff'),
+			'accesskey' => wfMsg('accesskey-diff'),
+			'title'     => wfMsg('tooltip-diff'),
+		);
+		$buttons['diff'] = wfElement('input', $temp, '');
+
+		global $wgLivePreview;
+		if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
+			$temp = array(
+				'id'        => 'wpPreview',
+				'name'      => 'wpPreview',
+				'type'      => 'submit',
+				'tabindex'  => '6',
+				'value'     => wfMsg('showpreview'),
+				'accesskey' => '',
+				'title'     => wfMsg('tooltip-preview'),
+				'style'     => 'display: none;',
+			);
+			$buttons['preview'] = wfElement('input', $temp, '');
+			$temp = array(
+				'id'        => 'wpLivePreview',
+				'name'      => 'wpLivePreview',
+				'type'      => 'submit',
+				'tabindex'  => '6',
+				'value'     => wfMsg('showlivepreview'),
+				'accesskey' => wfMsg('accesskey-preview'),
+				'title'     => '',
+				'onclick'   => $this->doLivePreviewScript(),
+			);
+			$buttons['live'] = wfElement('input', $temp, '');
+		} else {
+			$temp = array(
+				'id'        => 'wpPreview',
+				'name'      => 'wpPreview',
+				'type'      => 'submit',
+				'tabindex'  => '6',
+				'value'     => wfMsg('showpreview'),
+				'accesskey' => wfMsg('accesskey-preview'),
+				'title'     => wfMsg('tooltip-preview'),
+			);
+			$buttons['preview'] = wfElement('input', $temp, '');
+			$buttons['live'] = '';
+		}
+
+		$safemodehtml = $this->checkUnicodeCompliantBrowser()
+			? ""
+			: "<input type='hidden' name=\"safemode\" value='1' />\n";
+
+		$wgOut->addHTML( <<<END
+{$toolbar}
+<form id="editform" name="editform" method="post" action="$action" enctype="multipart/form-data">
+END
+);
+
+		if( is_callable( $formCallback ) ) {
+			call_user_func_array( $formCallback, array( &$wgOut ) );
+		}
+
+		// Put these up at the top to ensure they aren't lost on early form submission
+		$wgOut->addHTML( "
+<input type='hidden' value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\" />
+<input type='hidden' value=\"{$this->starttime}\" name=\"wpStarttime\" />\n
+<input type='hidden' value=\"{$this->edittime}\" name=\"wpEdittime\" />\n
+<input type='hidden' value=\"{$this->scrolltop}\" name=\"wpScrolltop\" id=\"wpScrolltop\" />\n" );
+
+		$wgOut->addHTML( <<<END
+$recreate
+{$commentsubject}
+<textarea tabindex='1' accesskey="," name="wpTextbox1" id="wpTextbox1" rows='{$rows}'
+cols='{$cols}'{$ew} $hidden>
+END
+. htmlspecialchars( $this->safeUnicodeOutput( $this->textbox1 ) ) .
+"
+</textarea>
+		" );
+
+		$wgOut->addWikiText( $copywarn );
+		$wgOut->addHTML( "
+{$metadata}
+{$editsummary}
+{$checkboxhtml}
+{$safemodehtml}
+");
+
+		$wgOut->addHTML(
+"<div class='editButtons'>
+	{$buttons['save']}
+	{$buttons['preview']}
+	{$buttons['live']}
+	{$buttons['diff']}
+	<span class='editHelp'>{$cancel} | {$edithelp}</span>
+</div><!-- editButtons -->
+</div><!-- editOptions -->");
+
+		$wgOut->addWikiText( wfMsgForContent( 'edittools' ) );
+
+		$wgOut->addHTML( "
+<div class='templatesUsed'>
+{$templates}
+</div>
+" );
+
+		if ( $wgUser->isLoggedIn() ) {
+			/**
+			 * To make it harder for someone to slip a user a page
+			 * which submits an edit form to the wiki without their
+			 * knowledge, a random token is associated with the login
+			 * session. If it's not passed back with the submission,
+			 * we won't save the page, or render user JavaScript and
+			 * CSS previews.
+			 */
+			$token = htmlspecialchars( $wgUser->editToken() );
+			$wgOut->addHTML( "\n<input type='hidden' value=\"$token\" name=\"wpEditToken\" />\n" );
+		}
+
+		# If a blank edit summary was previously provided, and the appropriate
+		# user preference is active, pass a hidden tag here. This will stop the
+		# user being bounced back more than once in the event that a summary
+		# is not required.
+		if( $this->missingSummary ) {
+			$wgOut->addHTML( "<input type=\"hidden\" name=\"wpIgnoreBlankSummary\" value=\"1\" />\n" );
+		}
+		
+		# For a bit more sophisticated detection of blank summaries, hash the
+		# automatic one and pass that in a hidden field.
+		$autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
+		$wgOut->addHtml( wfHidden( 'wpAutoSummary', $autosumm ) );
+
+		if ( $this->isConflict ) {
+			require_once( "DifferenceEngine.php" );
+			$wgOut->addWikiText( '==' . wfMsg( "yourdiff" ) . '==' );
+
+			$de = new DifferenceEngine( $this->mTitle );
+			$de->setText( $this->textbox2, $this->textbox1 );
+			$de->showDiff( wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
+
+			$wgOut->addWikiText( '==' . wfMsg( "yourtext" ) . '==' );
+			$wgOut->addHTML( "<textarea tabindex=6 id='wpTextbox2' name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
+				. htmlspecialchars( $this->safeUnicodeOutput( $this->textbox2 ) ) . "\n</textarea>" );
+		}
+		$wgOut->addHTML( "</form>\n" );
+		if ( !$wgUser->getOption( 'previewontop' ) ) {
+
+			if ( $this->formtype == 'preview') {
+				$this->showPreview();
+			} else {
+				$wgOut->addHTML( '<div id="wikiPreview"></div>' );
+			}
+		
+			if ( $this->formtype == 'diff') {
+				$wgOut->addHTML( $this->getDiff() );
+			}
+
+		}
+
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Append preview output to $wgOut.
+	 * Includes category rendering if this is a category page.
+	 * @private
+	 */
+	function showPreview() {
+		global $wgOut;
+		$wgOut->addHTML( '<div id="wikiPreview">' );
+		if($this->mTitle->getNamespace() == NS_CATEGORY) {
+			$this->mArticle->openShowCategory();
+		}
+		$previewOutput = $this->getPreviewText();
+		$wgOut->addHTML( $previewOutput );
+		if($this->mTitle->getNamespace() == NS_CATEGORY) {
+			$this->mArticle->closeShowCategory();
+		}
+		$wgOut->addHTML( "<br style=\"clear:both;\" />\n" );
+		$wgOut->addHTML( '</div>' );
+	}
+
+	/**
+	 * Prepare a list of templates used by this page. Returns HTML.
+	 */
+	function formatTemplates() {
+		global $wgUser;
+
+		$fname = 'EditPage::formatTemplates';
+		wfProfileIn( $fname );
+
+		$sk =& $wgUser->getSkin();
+
+		$outText = '';
+		$templates = $this->mArticle->getUsedTemplates();
+		if ( count( $templates ) > 0 ) {
+			# Do a batch existence check
+			$batch = new LinkBatch;
+			foreach( $templates as $title ) {
+				$batch->addObj( $title );
+			}
+			$batch->execute();
+
+			# Construct the HTML
+			$outText = '<br />'. wfMsgExt( 'templatesused', array( 'parseinline' ) ) . '<ul>';
+			foreach ( $templates as $titleObj ) {
+				$outText .= '<li>' . $sk->makeLinkObj( $titleObj ) . '</li>';
+			}
+			$outText .= '</ul>';
+		}
+		wfProfileOut( $fname );
+		return $outText;
+	}
+
+	/**
+	 * Live Preview lets us fetch rendered preview page content and
+	 * add it to the page without refreshing the whole page.
+	 * If not supported by the browser it will fall through to the normal form
+	 * submission method.
+	 *
+	 * This function outputs a script tag to support live preview, and
+	 * returns an onclick handler which should be added to the attributes
+	 * of the preview button
+	 */
+	function doLivePreviewScript() {
+		global $wgStylePath, $wgJsMimeType, $wgOut, $wgTitle;
+		$wgOut->addHTML( '<script type="'.$wgJsMimeType.'" src="' .
+			htmlspecialchars( $wgStylePath . '/common/preview.js' ) .
+			'"></script>' . "\n" );
+		$liveAction = $wgTitle->getLocalUrl( 'action=submit&wpPreview=true&live=true' );
+		return "return !livePreview(" .
+			"getElementById('wikiPreview')," .
+			"editform.wpTextbox1.value," .
+			'"' . $liveAction . '"' . ")";
+	}
+
+	function getLastDelete() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$fname = 'EditPage::getLastDelete';
+		$res = $dbr->select(
+			array( 'logging', 'user' ),
+			array( 'log_type',
+			       'log_action',
+			       'log_timestamp',
+			       'log_user',
+			       'log_namespace',
+			       'log_title',
+			       'log_comment',
+			       'log_params',
+			       'user_name', ),
+			array( 'log_namespace' => $this->mTitle->getNamespace(),
+			       'log_title' => $this->mTitle->getDBkey(),
+			       'log_type' => 'delete',
+			       'log_action' => 'delete',
+			       'user_id=log_user' ),
+			$fname,
+			array( 'LIMIT' => 1, 'ORDER BY' => 'log_timestamp DESC' ) );
+
+		if($dbr->numRows($res) == 1) {
+			while ( $x = $dbr->fetchObject ( $res ) )
+				$data = $x;
+			$dbr->freeResult ( $res ) ;
+		} else {
+			$data = null;
+		}
+		return $data;
+	}
+
+	/**
+	 * @todo document
+	 */
+	function getPreviewText() {
+		global $wgOut, $wgUser, $wgTitle, $wgParser;
+
+		$fname = 'EditPage::getPreviewText';
+		wfProfileIn( $fname );
+
+		if ( $this->mTriedSave && !$this->mTokenOk ) {
+			$msg = 'session_fail_preview';
+		} else {
+			$msg = 'previewnote';
+		}
+		$previewhead = '<h2>' . htmlspecialchars( wfMsg( 'preview' ) ) . "</h2>\n" .
+			"<div class='previewnote'>" . $wgOut->parse( wfMsg( $msg ) ) . "</div>\n";
+		if ( $this->isConflict ) {
+			$previewhead.='<h2>' . htmlspecialchars( wfMsg( 'previewconflict' ) ) . "</h2>\n";
+		}
+
+		$parserOptions = ParserOptions::newFromUser( $wgUser );
+		$parserOptions->setEditSection( false );
+
+		global $wgRawHtml;
+		if( $wgRawHtml && !$this->mTokenOk ) {
+			// Could be an offsite preview attempt. This is very unsafe if
+			// HTML is enabled, as it could be an attack.
+			return $wgOut->parse( "<div class='previewnote'>" .
+				wfMsg( 'session_fail_preview_html' ) . "</div>" );
+		}
+
+		# don't parse user css/js, show message about preview
+		# XXX: stupid php bug won't let us use $wgTitle->isCssJsSubpage() here
+		
+		if ( $this->isCssJsSubpage ) {
+			if(preg_match("/\\.css$/", $wgTitle->getText() ) ) {
+				$previewtext = wfMsg('usercsspreview');
+			} else if(preg_match("/\\.js$/", $wgTitle->getText() ) ) {
+				$previewtext = wfMsg('userjspreview');
+			}
+			$parserOptions->setTidy(true);
+			$parserOutput = $wgParser->parse( $previewtext , $wgTitle, $parserOptions );
+			$wgOut->addHTML( $parserOutput->mText );
+			wfProfileOut( $fname );
+			return $previewhead;
+		} else {
+			# if user want to see preview when he edit an article
+			if( $wgUser->getOption('previewonfirst') and ($this->textbox1 == '')) {
+				$this->textbox1 = $this->getContent();
+			}
+
+			$toparse = $this->textbox1;
+
+			# If we're adding a comment, we need to show the
+			# summary as the headline
+			if($this->section=="new" && $this->summary!="") {
+				$toparse="== {$this->summary} ==\n\n".$toparse;
+			}
+
+			if ( $this->mMetaData != "" ) $toparse .= "\n" . $this->mMetaData ;
+			$parserOptions->setTidy(true);
+			$parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $toparse ) ."\n\n",
+					$wgTitle, $parserOptions );
+
+			$previewHTML = $parserOutput->getText();
+			$wgOut->addParserOutputNoText( $parserOutput );
+
+			wfProfileOut( $fname );
+			return $previewhead . $previewHTML;
+		}
+	}
+
+	/**
+	 * Call the stock "user is blocked" page
+	 */
+	function blockedPage() {
+		global $wgOut, $wgUser;
+		$wgOut->blockedPage( false ); # Standard block notice on the top, don't 'return'
+		
+		# If the user made changes, preserve them when showing the markup
+		# (This happens when a user is blocked during edit, for instance)		
+		$first = $this->firsttime || ( !$this->save && $this->textbox1 == '' );
+		$source = $first ? $this->getContent() : $this->textbox1;
+		
+		# Spit out the source or the user's modified version
+		$rows = $wgUser->getOption( 'rows' );
+		$cols = $wgUser->getOption( 'cols' );
+		$attribs = array( 'id' => 'wpTextbox1', 'name' => 'wpTextbox1', 'cols' => $cols, 'rows' => $rows, 'readonly' => 'readonly' );
+		$wgOut->addHtml( '<hr />' );
+		$wgOut->addWikiText( wfMsg( $first ? 'blockedoriginalsource' : 'blockededitsource', $this->mTitle->getPrefixedText() ) );
+		$wgOut->addHtml( wfElement( 'textarea', $attribs, $source ) );
+	}
+
+	/**
+	 * Produce the stock "please login to edit pages" page
+	 */
+	function userNotLoggedInPage() {
+		global $wgUser, $wgOut;
+		$skin = $wgUser->getSkin();
+		
+		$loginTitle = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+		$loginLink = $skin->makeKnownLinkObj( $loginTitle, wfMsgHtml( 'loginreqlink' ), 'returnto=' . $this->mTitle->getPrefixedUrl() );
+	
+		$wgOut->setPageTitle( wfMsg( 'whitelistedittitle' ) );
+		$wgOut->setRobotPolicy( 'noindex,nofollow' );
+		$wgOut->setArticleRelated( false );
+		
+		$wgOut->addHtml( wfMsgWikiHtml( 'whitelistedittext', $loginLink ) );
+		$wgOut->returnToMain( false, $this->mTitle->getPrefixedUrl() );
+	}
+
+	/**
+	 * Creates a basic error page which informs the user that
+	 * they have to validate their email address before being
+	 * allowed to edit.
+	 */
+	function userNotConfirmedPage() {
+		global $wgOut;
+
+		$wgOut->setPageTitle( wfMsg( 'confirmedittitle' ) );
+		$wgOut->setRobotPolicy( 'noindex,nofollow' );
+		$wgOut->setArticleRelated( false );
+		
+		$wgOut->addWikiText( wfMsg( 'confirmedittext' ) );
+		$wgOut->returnToMain( false );
+	}
+
+	/**
+	 * Produce the stock "your edit contains spam" page
+	 *
+	 * @param $match Text which triggered one or more filters
+	 */
+	function spamPage( $match = false ) {
+		global $wgOut;
+
+		$wgOut->setPageTitle( wfMsg( 'spamprotectiontitle' ) );
+		$wgOut->setRobotPolicy( 'noindex,nofollow' );
+		$wgOut->setArticleRelated( false );
+
+		$wgOut->addWikiText( wfMsg( 'spamprotectiontext' ) );
+		if ( $match )
+			$wgOut->addWikiText( wfMsg( 'spamprotectionmatch', "<nowiki>{$match}</nowiki>" ) );
+			
+		$wgOut->returnToMain( false );
+	}
+
+	/**
+	 * @private
+	 * @todo document
+	 */
+	function mergeChangesInto( &$editText ){
+		$fname = 'EditPage::mergeChangesInto';
+		wfProfileIn( $fname );
+
+		$db =& wfGetDB( DB_MASTER );
+
+		// This is the revision the editor started from
+		$baseRevision = Revision::loadFromTimestamp(
+			$db, $this->mArticle->mTitle, $this->edittime );
+		if( is_null( $baseRevision ) ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+		$baseText = $baseRevision->getText();
+
+		// The current state, we want to merge updates into it
+		$currentRevision =  Revision::loadFromTitle(
+			$db, $this->mArticle->mTitle );
+		if( is_null( $currentRevision ) ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+		$currentText = $currentRevision->getText();
+
+		if( wfMerge( $baseText, $editText, $currentText, $result ) ){
+			$editText = $result;
+			wfProfileOut( $fname );
+			return true;
+		} else {
+			wfProfileOut( $fname );
+			return false;
+		}
+	}
+
+	/**
+	 * Check if the browser is on a blacklist of user-agents known to
+	 * mangle UTF-8 data on form submission. Returns true if Unicode
+	 * should make it through, false if it's known to be a problem.
+	 * @return bool
+	 * @private
+	 */
+	function checkUnicodeCompliantBrowser() {
+		global $wgBrowserBlackList;
+		if( empty( $_SERVER["HTTP_USER_AGENT"] ) ) {
+			// No User-Agent header sent? Trust it by default...
+			return true;
+		}
+		$currentbrowser = $_SERVER["HTTP_USER_AGENT"];
+		foreach ( $wgBrowserBlackList as $browser ) {
+			if ( preg_match($browser, $currentbrowser) ) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Format an anchor fragment as it would appear for a given section name
+	 * @param string $text
+	 * @return string
+	 * @private
+	 */
+	function sectionAnchor( $text ) {
+		$headline = Sanitizer::decodeCharReferences( $text );
+		# strip out HTML
+		$headline = preg_replace( '/<.*?' . '>/', '', $headline );
+		$headline = trim( $headline );
+		$sectionanchor = '#' . urlencode( str_replace( ' ', '_', $headline ) );
+		$replacearray = array(
+			'%3A' => ':',
+			'%' => '.'
+		);
+		return str_replace(
+			array_keys( $replacearray ),
+			array_values( $replacearray ),
+			$sectionanchor );
+	}
+
+	/**
+	 * Shows a bulletin board style toolbar for common editing functions.
+	 * It can be disabled in the user preferences.
+	 * The necessary JavaScript code can be found in style/wikibits.js.
+	 */
+	function getEditToolbar() {
+		global $wgStylePath, $wgContLang, $wgJsMimeType;
+
+		/**
+		 * toolarray an array of arrays which each include the filename of
+		 * the button image (without path), the opening tag, the closing tag,
+		 * and optionally a sample text that is inserted between the two when no
+		 * selection is highlighted.
+		 * The tip text is shown when the user moves the mouse over the button.
+		 *
+		 * Already here are accesskeys (key), which are not used yet until someone
+		 * can figure out a way to make them work in IE. However, we should make
+		 * sure these keys are not defined on the edit page.
+		 */
+		$toolarray=array(
+			array(	'image'=>'button_bold.png',
+					'open'	=>	"\'\'\'",
+					'close'	=>	"\'\'\'",
+					'sample'=>	wfMsg('bold_sample'),
+					'tip'	=>	wfMsg('bold_tip'),
+					'key'	=>	'B'
+				),
+			array(	'image'=>'button_italic.png',
+					'open'	=>	"\'\'",
+					'close'	=>	"\'\'",
+					'sample'=>	wfMsg('italic_sample'),
+					'tip'	=>	wfMsg('italic_tip'),
+					'key'	=>	'I'
+				),
+			array(	'image'=>'button_link.png',
+					'open'	=>	'[[',
+					'close'	=>	']]',
+					'sample'=>	wfMsg('link_sample'),
+					'tip'	=>	wfMsg('link_tip'),
+					'key'	=>	'L'
+				),
+			array(	'image'=>'button_extlink.png',
+					'open'	=>	'[',
+					'close'	=>	']',
+					'sample'=>	wfMsg('extlink_sample'),
+					'tip'	=>	wfMsg('extlink_tip'),
+					'key'	=>	'X'
+				),
+			array(	'image'=>'button_headline.png',
+					'open'	=>	"\\n== ",
+					'close'	=>	" ==\\n",
+					'sample'=>	wfMsg('headline_sample'),
+					'tip'	=>	wfMsg('headline_tip'),
+					'key'	=>	'H'
+				),
+			array(	'image'=>'button_image.png',
+					'open'	=>	'[['.$wgContLang->getNsText(NS_IMAGE).":",
+					'close'	=>	']]',
+					'sample'=>	wfMsg('image_sample'),
+					'tip'	=>	wfMsg('image_tip'),
+					'key'	=>	'D'
+				),
+			array(	'image'	=>'button_media.png',
+					'open'	=>	'[['.$wgContLang->getNsText(NS_MEDIA).':',
+					'close'	=>	']]',
+					'sample'=>	wfMsg('media_sample'),
+					'tip'	=>	wfMsg('media_tip'),
+					'key'	=>	'M'
+				),
+			array(	'image'	=>'button_math.png',
+					'open'	=>	"<math>",
+					'close'	=>	"<\\/math>",
+					'sample'=>	wfMsg('math_sample'),
+					'tip'	=>	wfMsg('math_tip'),
+					'key'	=>	'C'
+				),
+			array(	'image'	=>'button_nowiki.png',
+					'open'	=>	"<nowiki>",
+					'close'	=>	"<\\/nowiki>",
+					'sample'=>	wfMsg('nowiki_sample'),
+					'tip'	=>	wfMsg('nowiki_tip'),
+					'key'	=>	'N'
+				),
+			array(	'image'	=>'button_sig.png',
+					'open'	=>	'--~~~~',
+					'close'	=>	'',
+					'sample'=>	'',
+					'tip'	=>	wfMsg('sig_tip'),
+					'key'	=>	'Y'
+				),
+			array(	'image'	=>'button_hr.png',
+					'open'	=>	"\\n----\\n",
+					'close'	=>	'',
+					'sample'=>	'',
+					'tip'	=>	wfMsg('hr_tip'),
+					'key'	=>	'R'
+				)
+		);
+		$toolbar = "<div id='toolbar'>\n";
+		$toolbar.="<script type='$wgJsMimeType'>\n/*<![CDATA[*/\n";
+
+		foreach($toolarray as $tool) {
+
+			$image=$wgStylePath.'/common/images/'.$tool['image'];
+			$open=$tool['open'];
+			$close=$tool['close'];
+			$sample = wfEscapeJsString( $tool['sample'] );
+
+			// Note that we use the tip both for the ALT tag and the TITLE tag of the image.
+			// Older browsers show a "speedtip" type message only for ALT.
+			// Ideally these should be different, realistically they
+			// probably don't need to be.
+			$tip = wfEscapeJsString( $tool['tip'] );
+
+			#$key = $tool["key"];
+
+			$toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
+		}
+
+		$toolbar.="/*]]>*/\n</script>";
+		$toolbar.="\n</div>";
+		return $toolbar;
+	}
+
+	/**
+	 * Output preview text only. This can be sucked into the edit page
+	 * via JavaScript, and saves the server time rendering the skin as
+	 * well as theoretically being more robust on the client (doesn't
+	 * disturb the edit box's undo history, won't eat your text on
+	 * failure, etc).
+	 *
+	 * @todo This doesn't include category or interlanguage links.
+	 *       Would need to enhance it a bit, maybe wrap them in XML
+	 *       or something... that might also require more skin
+	 *       initialization, so check whether that's a problem.
+	 */
+	function livePreview() {
+		global $wgOut;
+		$wgOut->disable();
+		header( 'Content-type: text/xml' );
+		header( 'Cache-control: no-cache' );
+		# FIXME
+		echo $this->getPreviewText( );
+		/* To not shake screen up and down between preview and live-preview */
+		echo "<br style=\"clear:both;\" />\n";
+	}
+
+
+	/**
+	 * Get a diff between the current contents of the edit box and the
+	 * version of the page we're editing from.
+	 *
+	 * If this is a section edit, we'll replace the section as for final
+	 * save and then make a comparison.
+	 *
+	 * @return string HTML
+	 */
+	function getDiff() {
+		require_once( 'DifferenceEngine.php' );
+		$oldtext = $this->mArticle->fetchContent();
+		$newtext = $this->mArticle->replaceSection(
+			$this->section, $this->textbox1, $this->summary, $this->edittime );
+		$newtext = $this->mArticle->preSaveTransform( $newtext );
+		$oldtitle = wfMsgExt( 'currentrev', array('parseinline') );
+		$newtitle = wfMsgExt( 'yourtext', array('parseinline') );
+		if ( $oldtext !== false  || $newtext != '' ) {
+			$de = new DifferenceEngine( $this->mTitle );
+			$de->setText( $oldtext, $newtext );
+			$difftext = $de->getDiff( $oldtitle, $newtitle );
+		} else {
+			$difftext = '';
+		}
+
+		return '<div id="wikiDiff">' . $difftext . '</div>';
+	}
+
+	/**
+	 * Filter an input field through a Unicode de-armoring process if it
+	 * came from an old browser with known broken Unicode editing issues.
+	 *
+	 * @param WebRequest $request
+	 * @param string $field
+	 * @return string
+	 * @private
+	 */
+	function safeUnicodeInput( $request, $field ) {
+		$text = rtrim( $request->getText( $field ) );
+		return $request->getBool( 'safemode' )
+			? $this->unmakesafe( $text )
+			: $text;
+	}
+
+	/**
+	 * Filter an output field through a Unicode armoring process if it is
+	 * going to an old browser with known broken Unicode editing issues.
+	 *
+	 * @param string $text
+	 * @return string
+	 * @private
+	 */
+	function safeUnicodeOutput( $text ) {
+		global $wgContLang;
+		$codedText = $wgContLang->recodeForEdit( $text );
+		return $this->checkUnicodeCompliantBrowser()
+			? $codedText
+			: $this->makesafe( $codedText );
+	}
+
+	/**
+	 * A number of web browsers are known to corrupt non-ASCII characters
+	 * in a UTF-8 text editing environment. To protect against this,
+	 * detected browsers will be served an armored version of the text,
+	 * with non-ASCII chars converted to numeric HTML character references.
+	 *
+	 * Preexisting such character references will have a 0 added to them
+	 * to ensure that round-trips do not alter the original data.
+	 *
+	 * @param string $invalue
+	 * @return string
+	 * @private
+	 */
+	function makesafe( $invalue ) {
+		// Armor existing references for reversability.
+		$invalue = strtr( $invalue, array( "&#x" => "&#x0" ) );
+
+		$bytesleft = 0;
+		$result = "";
+		$working = 0;
+		for( $i = 0; $i < strlen( $invalue ); $i++ ) {
+			$bytevalue = ord( $invalue{$i} );
+			if( $bytevalue <= 0x7F ) { //0xxx xxxx
+				$result .= chr( $bytevalue );
+				$bytesleft = 0;
+			} elseif( $bytevalue <= 0xBF ) { //10xx xxxx
+				$working = $working << 6;
+				$working += ($bytevalue & 0x3F);
+				$bytesleft--;
+				if( $bytesleft <= 0 ) {
+					$result .= "&#x" . strtoupper( dechex( $working ) ) . ";";
+				}
+			} elseif( $bytevalue <= 0xDF ) { //110x xxxx
+				$working = $bytevalue & 0x1F;
+				$bytesleft = 1;
+			} elseif( $bytevalue <= 0xEF ) { //1110 xxxx
+				$working = $bytevalue & 0x0F;
+				$bytesleft = 2;
+			} else { //1111 0xxx
+				$working = $bytevalue & 0x07;
+				$bytesleft = 3;
+			}
+		}
+		return $result;
+	}
+
+	/**
+	 * Reverse the previously applied transliteration of non-ASCII characters
+	 * back to UTF-8. Used to protect data from corruption by broken web browsers
+	 * as listed in $wgBrowserBlackList.
+	 *
+	 * @param string $invalue
+	 * @return string
+	 * @private
+	 */
+	function unmakesafe( $invalue ) {
+		$result = "";
+		for( $i = 0; $i < strlen( $invalue ); $i++ ) {
+			if( ( substr( $invalue, $i, 3 ) == "&#x" ) && ( $invalue{$i+3} != '0' ) ) {
+				$i += 3;
+				$hexstring = "";
+				do {
+					$hexstring .= $invalue{$i};
+					$i++;
+				} while( ctype_xdigit( $invalue{$i} ) && ( $i < strlen( $invalue ) ) );
+
+				// Do some sanity checks. These aren't needed for reversability,
+				// but should help keep the breakage down if the editor
+				// breaks one of the entities whilst editing.
+				if ((substr($invalue,$i,1)==";") and (strlen($hexstring) <= 6)) {
+					$codepoint = hexdec($hexstring);
+					$result .= codepointToUtf8( $codepoint );
+				} else {
+					$result .= "&#x" . $hexstring . substr( $invalue, $i, 1 );
+				}
+			} else {
+				$result .= substr( $invalue, $i, 1 );
+			}
+		}
+		// reverse the transform that we made for reversability reasons.
+		return strtr( $result, array( "&#x0" => "&#x" ) );
+	}
+
+	function noCreatePermission() {
+		global $wgOut;
+		$wgOut->setPageTitle( wfMsg( 'nocreatetitle' ) );
+		$wgOut->addWikiText( wfMsg( 'nocreatetext' ) );
+	}
+
+}
+
+?>
diff --git a/includes/Exception.php b/includes/Exception.php
new file mode 100644
index 00000000..1e24515b
--- /dev/null
+++ b/includes/Exception.php
@@ -0,0 +1,193 @@
+<?php
+
+class MWException extends Exception
+{
+	function useOutputPage() {
+		return !empty( $GLOBALS['wgFullyInitialised'] );
+	}
+
+	function useMessageCache() {
+		global $wgLang;
+		return is_object( $wgLang );
+	}
+
+	function msg( $key, $fallback /*[, params...] */ ) {
+		$args = array_slice( func_get_args(), 2 );
+		if ( $this->useMessageCache() ) {
+			return wfMsgReal( $key, $args );
+		} else {
+			return wfMsgReplaceArgs( $fallback, $args );
+		}
+	}
+			
+	function getHTML() {
+		return '<p>' . htmlspecialchars( $this->getMessage() ) . 
+			'</p><p>Backtrace:</p><p>' . nl2br( htmlspecialchars( $this->getTraceAsString() ) ) .
+			"</p>\n";
+	}
+
+	function getText() {
+		return $this->getMessage() .  
+			"\nBacktrace:\n" . $this->getTraceAsString() . "\n";
+	}
+	
+	function getPageTitle() {
+		if ( $this->useMessageCache() ) {
+			return wfMsg( 'internalerror' );
+		} else {
+			global $wgSitename;
+			return "$wgSitename error";
+		}
+	}
+	
+	function reportHTML() {
+		global $wgOut;
+		if ( $this->useOutputPage() ) {
+			$wgOut->setPageTitle( $this->getPageTitle() );
+			$wgOut->setRobotpolicy( "noindex,nofollow" );
+			$wgOut->setArticleRelated( false );
+			$wgOut->enableClientCache( false );
+			$wgOut->redirect( '' );
+			$wgOut->clearHTML();
+			$wgOut->addHTML( $this->getHTML() );
+			$wgOut->output();
+		} else {
+			echo $this->htmlHeader();
+			echo $this->getHTML();
+			echo $this->htmlFooter();
+		}
+	}
+	
+	function reportText() {
+		echo $this->getText();
+	}
+
+	function report() {
+		global $wgCommandLineMode;
+		if ( $wgCommandLineMode ) {
+			$this->reportText();
+		} else {
+			$this->reportHTML();
+		}
+	}
+
+	function htmlHeader() {
+		global $wgLogo, $wgSitename, $wgOutputEncoding;
+
+		if ( !headers_sent() ) {
+			header( 'HTTP/1.0 500 Internal Server Error' );
+			header( 'Content-type: text/html; charset='.$wgOutputEncoding );
+			/* Don't cache error pages!  They cause no end of trouble... */
+			header( 'Cache-control: none' );
+			header( 'Pragma: nocache' );
+		}
+		$title = $this->getPageTitle();
+		echo "<html>
+		<head>
+		<title>$title</title>
+		</head>
+		<body>
+		<h1><img src='$wgLogo' style='float:left;margin-right:1em' alt=''>$title</h1>
+		";
+	}
+
+	function htmlFooter() {
+		echo "</body></html>";
+	}		
+}
+
+/**
+ * Exception class which takes an HTML error message, and does not 
+ * produce a backtrace. Replacement for OutputPage::fatalError().
+ */
+class FatalError extends MWException {
+	function getHTML() {
+		return $this->getMessage();
+	}
+
+	function getText() {
+		return $this->getMessage();
+	}
+}
+
+class ErrorPageError extends MWException {
+	public $title, $msg;
+	
+	/**
+	 * Note: these arguments are keys into wfMsg(), not text!
+	 */
+	function __construct( $title, $msg ) {
+		$this->title = $title;
+		$this->msg = $msg;
+		parent::__construct( wfMsg( $msg ) );
+	}
+
+	function report() {
+		global $wgOut;
+		$wgOut->showErrorPage( $this->title, $this->msg );
+		$wgOut->output();
+	}
+}
+
+/**
+ * Install an exception handler for MediaWiki exception types.
+ */
+function wfInstallExceptionHandler() {
+	set_exception_handler( 'wfExceptionHandler' );
+}
+
+/**
+ * Report an exception to the user
+ */
+function wfReportException( Exception $e ) {
+	 if ( is_a( $e, 'MWException' ) ) {
+		 try {
+			 $e->report();
+		 } catch ( Exception $e2 ) {
+			 // Exception occurred from within exception handler
+			 // Show a simpler error message for the original exception, 
+			 // don't try to invoke report()
+			 $message = "MediaWiki internal error.\n\n" .
+			 "Original exception: " . $e->__toString() . 
+			 "\n\nException caught inside exception handler: " . 
+			 $e2->__toString() . "\n";
+
+			 if ( !empty( $GLOBALS['wgCommandLineMode'] ) ) {
+				 echo $message;
+			 } else {
+				 echo nl2br( htmlspecialchars( $message ) ). "\n";
+			 }
+		 }
+	 } else {
+		 echo $e->__toString();
+	 }
+}
+
+/**
+ * Exception handler which simulates the appropriate catch() handling:
+ * 
+ *   try {
+ *       ...
+ *   } catch ( MWException $e ) {
+ *       $e->report();
+ *   } catch ( Exception $e ) {
+ *       echo $e->__toString();
+ *   }
+ */
+function wfExceptionHandler( $e ) {
+	global $wgFullyInitialised;
+	wfReportException( $e );
+	
+	// Final cleanup, similar to wfErrorExit()
+	if ( $wgFullyInitialised ) {
+		try {
+			wfProfileClose();
+			logProfilingData(); // uses $wgRequest, hence the $wgFullyInitialised condition
+		} catch ( Exception $e ) {}
+	}
+
+	// Exit value should be nonzero for the benefit of shell jobs
+	exit( 1 );
+}
+
+?>
diff --git a/includes/Exif.php b/includes/Exif.php
new file mode 100644
index 00000000..f9fb9a2c
--- /dev/null
+++ b/includes/Exif.php
@@ -0,0 +1,1124 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage Metadata
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @link http://exif.org/Exif2-2.PDF The Exif 2.2 specification
+ * @bug 1555, 1947
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage Metadata
+ */
+class Exif {
+	//@{
+	/* @var array
+	 * @private
+	 */
+
+	/**#@+
+	 * Exif tag type definition
+	 */
+	const BYTE      = 1;    # An 8-bit (1-byte) unsigned integer.
+	const ASCII     = 2;    # An 8-bit byte containing one 7-bit ASCII code. The final byte is terminated with NULL.
+	const SHORT     = 3;    # A 16-bit (2-byte) unsigned integer.
+	const LONG      = 4;    # A 32-bit (4-byte) unsigned integer.
+	const RATIONAL  = 5;    # Two LONGs. The first LONG is the numerator and the second LONG expresses the denominator
+	const UNDEFINED = 7;    # An 8-bit byte that can take any value depending on the field definition
+	const SLONG     = 9;    # A 32-bit (4-byte) signed integer (2's complement notation),
+	const SRATIONAL = 10;   # Two SLONGs. The first SLONG is the numerator and the second SLONG is the denominator.
+
+	/**
+	 * Exif tags grouped by category, the tagname itself is the key and the type
+	 * is the value, in the case of more than one possible value type they are
+	 * seperated by commas.
+	 */
+	var $mExifTags;
+
+	/**
+	 * A one dimentional array of all Exif tags
+	 */
+	var $mFlatExifTags;
+
+	/**
+	 * The raw Exif data returned by exif_read_data()
+	 */
+	var $mRawExifData;
+
+	/**
+	 * A Filtered version of $mRawExifData that has been pruned of invalid
+	 * tags and tags that contain content they shouldn't contain according
+	 * to the Exif specification
+	 */
+	var $mFilteredExifData;
+
+	/**
+	 * Filtered and formatted Exif data, see FormatExif::getFormattedData()
+	 */
+	var $mFormattedExifData;
+
+	//@}
+
+	//@{
+	/* @var string
+	 * @private
+	 */
+
+	/**
+	 * The file being processed
+	 */
+	var $file;
+
+	/**
+	 * The basename of the file being processed
+	 */
+	var $basename;
+
+	/**
+	 * The private log to log to
+	 */
+	var $log = 'exif';
+
+	//@}
+
+	/**
+	 * Constructor
+	 *
+	 * @param $file String: filename.
+	 */
+	function Exif( $file ) {
+		/**
+		 * Page numbers here refer to pages in the EXIF 2.2 standard
+		 *
+		 * @link http://exif.org/Exif2-2.PDF The Exif 2.2 specification
+		 */
+		$this->mExifTags = array(
+			# TIFF Rev. 6.0 Attribute Information (p22)
+			'tiff' => array(
+				# Tags relating to image structure
+				'structure' => array(
+					'ImageWidth' => Exif::SHORT.','.Exif::LONG,		# Image width
+					'ImageLength' => Exif::SHORT.','.Exif::LONG,	# Image height
+					'BitsPerSample' => Exif::SHORT,			# Number of bits per component
+					# "When a primary image is JPEG compressed, this designation is not"
+					# "necessary and is omitted." (p23)
+					'Compression' => Exif::SHORT,				# Compression scheme #p23
+					'PhotometricInterpretation' => Exif::SHORT,		# Pixel composition #p23
+					'Orientation' => Exif::SHORT,				# Orientation of image #p24
+					'SamplesPerPixel' => Exif::SHORT,			# Number of components
+					'PlanarConfiguration' => Exif::SHORT,			# Image data arrangement #p24
+					'YCbCrSubSampling' => Exif::SHORT,			# Subsampling ratio of Y to C #p24
+					'YCbCrPositioning' => Exif::SHORT,			# Y and C positioning #p24-25
+					'XResolution' => Exif::RATIONAL,			# Image resolution in width direction
+					'YResolution' => Exif::RATIONAL,			# Image resolution in height direction
+					'ResolutionUnit' => Exif::SHORT,			# Unit of X and Y resolution #(p26)
+				),
+
+				# Tags relating to recording offset
+				'offset' => array(
+					'StripOffsets' => Exif::SHORT.','.Exif::LONG,			# Image data location
+					'RowsPerStrip' => Exif::SHORT.','.Exif::LONG,			# Number of rows per strip
+					'StripByteCounts' => Exif::SHORT.','.Exif::LONG,			# Bytes per compressed strip
+					'JPEGInterchangeFormat' => Exif::SHORT.','.Exif::LONG,		# Offset to JPEG SOI
+					'JPEGInterchangeFormatLength' => Exif::SHORT.','.Exif::LONG,	# Bytes of JPEG data
+				),
+
+				# Tags relating to image data characteristics
+				'characteristics' => array(
+					'TransferFunction' => Exif::SHORT,		# Transfer function
+					'WhitePoint' => Exif::RATIONAL,		# White point chromaticity
+					'PrimaryChromaticities' => Exif::RATIONAL,	# Chromaticities of primarities
+					'YCbCrCoefficients' => Exif::RATIONAL,	# Color space transformation matrix coefficients #p27
+					'ReferenceBlackWhite' => Exif::RATIONAL	# Pair of black and white reference values
+				),
+
+				# Other tags
+				'other' => array(
+					'DateTime' => Exif::ASCII,            # File change date and time
+					'ImageDescription' => Exif::ASCII,    # Image title
+					'Make' => Exif::ASCII,                # Image input equipment manufacturer
+					'Model' => Exif::ASCII,               # Image input equipment model
+					'Software' => Exif::ASCII,            # Software used
+					'Artist' => Exif::ASCII,              # Person who created the image
+					'Copyright' => Exif::ASCII,           # Copyright holder
+				),
+			),
+
+			# Exif IFD Attribute Information (p30-31)
+			'exif' => array(
+				# Tags relating to version
+				'version' => array(
+					# TODO: NOTE: Nonexistence of this field is taken to mean nonconformance
+					# to the EXIF 2.1 AND 2.2 standards
+					'ExifVersion' => Exif::UNDEFINED,	# Exif version
+					'FlashpixVersion' => Exif::UNDEFINED, # Supported Flashpix version #p32
+				),
+
+				# Tags relating to Image Data Characteristics
+				'characteristics' => array(
+					'ColorSpace' => Exif::SHORT,		# Color space information #p32
+				),
+
+				# Tags relating to image configuration
+				'configuration' => array(
+					'ComponentsConfiguration' => Exif::UNDEFINED,		# Meaning of each component #p33
+					'CompressedBitsPerPixel' => Exif::RATIONAL,		# Image compression mode
+					'PixelYDimension' => Exif::SHORT.','.Exif::LONG,	# Valid image width
+					'PixelXDimension' => Exif::SHORT.','.Exif::LONG,	# Valind image height
+				),
+
+				# Tags relating to related user information
+				'user' => array(
+					'MakerNote' => Exif::UNDEFINED,			# Manufacturer notes
+					'UserComment' => Exif::UNDEFINED,			# User comments #p34
+				),
+
+				# Tags relating to related file information
+				'related' => array(
+					'RelatedSoundFile' => Exif::ASCII,			# Related audio file
+				),
+
+				# Tags relating to date and time
+				'dateandtime' => array(
+					'DateTimeOriginal' => Exif::ASCII,			# Date and time of original data generation #p36
+					'DateTimeDigitized' => Exif::ASCII,			# Date and time of original data generation
+					'SubSecTime' => Exif::ASCII,				# DateTime subseconds
+					'SubSecTimeOriginal' => Exif::ASCII,			# DateTimeOriginal subseconds
+					'SubSecTimeDigitized' => Exif::ASCII,			# DateTimeDigitized subseconds
+				),
+
+				# Tags relating to picture-taking conditions (p31)
+				'conditions' => array(
+					'ExposureTime' => Exif::RATIONAL,			# Exposure time
+					'FNumber' => Exif::RATIONAL,				# F Number
+					'ExposureProgram' => Exif::SHORT,			# Exposure Program #p38
+					'SpectralSensitivity' => Exif::ASCII,			# Spectral sensitivity
+					'ISOSpeedRatings' => Exif::SHORT,			# ISO speed rating
+					'OECF' => Exif::UNDEFINED,				# Optoelectronic conversion factor
+					'ShutterSpeedValue' => Exif::SRATIONAL,		# Shutter speed
+					'ApertureValue' => Exif::RATIONAL,			# Aperture
+					'BrightnessValue' => Exif::SRATIONAL,			# Brightness
+					'ExposureBiasValue' => Exif::SRATIONAL,		# Exposure bias
+					'MaxApertureValue' => Exif::RATIONAL,			# Maximum land aperture
+					'SubjectDistance' => Exif::RATIONAL,			# Subject distance
+					'MeteringMode' => Exif::SHORT,			# Metering mode #p40
+					'LightSource' => Exif::SHORT,				# Light source #p40-41
+					'Flash' => Exif::SHORT,				# Flash #p41-42
+					'FocalLength' => Exif::RATIONAL,			# Lens focal length
+					'SubjectArea' => Exif::SHORT,				# Subject area
+					'FlashEnergy' => Exif::RATIONAL,			# Flash energy
+					'SpatialFrequencyResponse' => Exif::UNDEFINED,	# Spatial frequency response
+					'FocalPlaneXResolution' => Exif::RATIONAL,		# Focal plane X resolution
+					'FocalPlaneYResolution' => Exif::RATIONAL,		# Focal plane Y resolution
+					'FocalPlaneResolutionUnit' => Exif::SHORT,		# Focal plane resolution unit #p46
+					'SubjectLocation' => Exif::SHORT,			# Subject location
+					'ExposureIndex' => Exif::RATIONAL,			# Exposure index
+					'SensingMethod' => Exif::SHORT,			# Sensing method #p46
+					'FileSource' => Exif::UNDEFINED,			# File source #p47
+					'SceneType' => Exif::UNDEFINED,			# Scene type #p47
+					'CFAPattern' => Exif::UNDEFINED,			# CFA pattern
+					'CustomRendered' => Exif::SHORT,			# Custom image processing #p48
+					'ExposureMode' => Exif::SHORT,			# Exposure mode #p48
+					'WhiteBalance' => Exif::SHORT,			# White Balance #p49
+					'DigitalZoomRatio' => Exif::RATIONAL,			# Digital zoom ration
+					'FocalLengthIn35mmFilm' => Exif::SHORT,		# Focal length in 35 mm film
+					'SceneCaptureType' => Exif::SHORT,			# Scene capture type #p49
+					'GainControl' => Exif::RATIONAL,			# Scene control #p49-50
+					'Contrast' => Exif::SHORT,				# Contrast #p50
+					'Saturation' => Exif::SHORT,				# Saturation #p50
+					'Sharpness' => Exif::SHORT,				# Sharpness #p50
+					'DeviceSettingDescription' => Exif::UNDEFINED,	# Desice settings description
+					'SubjectDistanceRange' => Exif::SHORT,		# Subject distance range #p51
+				),
+
+				'other' => array(
+					'ImageUniqueID' => Exif::ASCII,	# Unique image ID
+				),
+			),
+
+			# GPS Attribute Information (p52)
+			'gps' => array(
+				'GPSVersionID' => Exif::BYTE,			# GPS tag version
+				'GPSLatitudeRef' => Exif::ASCII,		# North or South Latitude #p52-53
+				'GPSLatitude' => Exif::RATIONAL,		# Latitude
+				'GPSLongitudeRef' => Exif::ASCII,		# East or West Longitude #p53
+				'GPSLongitude' => Exif::RATIONAL,		# Longitude
+				'GPSAltitudeRef' => Exif::BYTE,		# Altitude reference
+				'GPSAltitude' => Exif::RATIONAL,		# Altitude
+				'GPSTimeStamp' => Exif::RATIONAL,		# GPS time (atomic clock)
+				'GPSSatellites' => Exif::ASCII,		# Satellites used for measurement
+				'GPSStatus' => Exif::ASCII,			# Receiver status #p54
+				'GPSMeasureMode' => Exif::ASCII,		# Measurement mode #p54-55
+				'GPSDOP' => Exif::RATIONAL,			# Measurement precision
+				'GPSSpeedRef' => Exif::ASCII,			# Speed unit #p55
+				'GPSSpeed' => Exif::RATIONAL,			# Speed of GPS receiver
+				'GPSTrackRef' => Exif::ASCII,			# Reference for direction of movement #p55
+				'GPSTrack' => Exif::RATIONAL,			# Direction of movement
+				'GPSImgDirectionRef' => Exif::ASCII,		# Reference for direction of image #p56
+				'GPSImgDirection' => Exif::RATIONAL,		# Direction of image
+				'GPSMapDatum' => Exif::ASCII,			# Geodetic survey data used
+				'GPSDestLatitudeRef' => Exif::ASCII,		# Reference for latitude of destination #p56
+				'GPSDestLatitude' => Exif::RATIONAL,		# Latitude destination
+				'GPSDestLongitudeRef' => Exif::ASCII,		# Reference for longitude of destination #p57
+				'GPSDestLongitude' => Exif::RATIONAL,		# Longitude of destination
+				'GPSDestBearingRef' => Exif::ASCII,		# Reference for bearing of destination #p57
+				'GPSDestBearing' => Exif::RATIONAL,		# Bearing of destination
+				'GPSDestDistanceRef' => Exif::ASCII,		# Reference for distance to destination #p57-58
+				'GPSDestDistance' => Exif::RATIONAL,		# Distance to destination
+				'GPSProcessingMethod' => Exif::UNDEFINED,	# Name of GPS processing method
+				'GPSAreaInformation' => Exif::UNDEFINED,	# Name of GPS area
+				'GPSDateStamp' => Exif::ASCII,		# GPS date
+				'GPSDifferential' => Exif::SHORT,		# GPS differential correction
+			),
+		);
+
+		$this->file = $file;
+		$this->basename = basename( $this->file );
+
+		$this->makeFlatExifTags();
+
+		$this->debugFile( $this->basename, __FUNCTION__, true );
+		wfSuppressWarnings();
+		$data = exif_read_data( $this->file );
+		wfRestoreWarnings();
+		/**
+		 * exif_read_data() will return false on invalid input, such as
+		 * when somebody uploads a file called something.jpeg
+		 * containing random gibberish.
+		 */
+		$this->mRawExifData = $data ? $data : array();
+
+		$this->makeFilteredData();
+		$this->makeFormattedData();
+
+		$this->debugFile( __FUNCTION__, false );
+	}
+
+	/**#@+
+	 * @private
+	 */
+	/**
+	 * Generate a flat list of the exif tags
+	 */
+	function makeFlatExifTags() {
+		$this->extractTags( $this->mExifTags );
+	}
+
+	/**
+	 * A recursing extractor function used by makeFlatExifTags()
+	 *
+	 * Note: This used to use an array_walk function, but it made PHP5
+	 * segfault, see `cvs diff -u -r 1.4 -r 1.5 Exif.php`
+	 */
+	function extractTags( &$tagset ) {
+		foreach( $tagset as $key => $val ) {
+			if( is_array( $val ) ) {
+				$this->extractTags( $val );
+			} else {
+				$this->mFlatExifTags[$key] = $val;
+			}
+		}
+	}
+
+	/**
+	 * Make $this->mFilteredExifData
+	 */
+	function makeFilteredData() {
+		$this->mFilteredExifData = $this->mRawExifData;
+
+		foreach( $this->mFilteredExifData as $k => $v ) {
+			if ( !in_array( $k, array_keys( $this->mFlatExifTags ) ) ) {
+				$this->debug( $v, __FUNCTION__, "'$k' is not a valid Exif tag" );
+				unset( $this->mFilteredExifData[$k] );
+			}
+		}
+
+		foreach( $this->mFilteredExifData as $k => $v ) {
+			if ( !$this->validate($k, $v) ) {
+				$this->debug( $v, __FUNCTION__, "'$k' contained invalid data" );
+				unset( $this->mFilteredExifData[$k] );
+			}
+		}
+	}
+
+	/**
+	 * @todo document
+	 */
+	function makeFormattedData( ) {
+		$format = new FormatExif( $this->getFilteredData() );
+		$this->mFormattedExifData = $format->getFormattedData();
+	}
+	/**#@-*/
+
+	/**#@+
+	 * @return array
+	 */
+	/**
+	 * Get $this->mRawExifData
+	 */
+	function getData() {
+		return $this->mRawExifData;
+	}
+
+	/**
+	 * Get $this->mFilteredExifData
+	 */
+	function getFilteredData() {
+		return $this->mFilteredExifData;
+	}
+
+	/**
+	 * Get $this->mFormattedExifData
+	 */
+	function getFormattedData() {
+		return $this->mFormattedExifData;
+	}
+	/**#@-*/
+
+	/**
+	 * The version of the output format
+	 *
+	 * Before the actual metadata information is saved in the database we
+	 * strip some of it since we don't want to save things like thumbnails
+	 * which usually accompany Exif data. This value gets saved in the
+	 * database along with the actual Exif data, and if the version in the
+	 * database doesn't equal the value returned by this function the Exif
+	 * data is regenerated.
+	 *
+	 * @return int
+	 */
+	function version() {
+		return 1; // We don't need no bloddy constants!
+	}
+
+	/**#@+
+	 * Validates if a tag value is of the type it should be according to the Exif spec
+	 *
+	 * @private
+	 *
+	 * @param $in Mixed: the input value to check
+	 * @return bool
+	 */
+	function isByte( $in ) {
+		if ( !is_array( $in ) && sprintf('%d', $in) == $in && $in >= 0 && $in <= 255 ) {
+			$this->debug( $in, __FUNCTION__, true );
+			return true;
+		} else {
+			$this->debug( $in, __FUNCTION__, false );
+			return false;
+		}
+	}
+
+	function isASCII( $in ) {
+		if ( is_array( $in ) ) {
+			return false;
+		}
+		
+		if ( preg_match( "/[^\x0a\x20-\x7e]/", $in ) ) {
+			$this->debug( $in, __FUNCTION__, 'found a character not in our whitelist' );
+			return false;
+		}
+
+		if ( preg_match( "/^\s*$/", $in ) ) {
+			$this->debug( $in, __FUNCTION__, 'input consisted solely of whitespace' );
+			return false;
+		}
+
+		return true;
+	}
+
+	function isShort( $in ) {
+		if ( !is_array( $in ) && sprintf('%d', $in) == $in && $in >= 0 && $in <= 65536 ) {
+			$this->debug( $in, __FUNCTION__, true );
+			return true;
+		} else {
+			$this->debug( $in, __FUNCTION__, false );
+			return false;
+		}
+	}
+
+	function isLong( $in ) {
+		if ( !is_array( $in ) && sprintf('%d', $in) == $in && $in >= 0 && $in <= 4294967296 ) {
+			$this->debug( $in, __FUNCTION__, true );
+			return true;
+		} else {
+			$this->debug( $in, __FUNCTION__, false );
+			return false;
+		}
+	}
+
+	function isRational( $in ) {
+		if ( !is_array( $in ) && @preg_match( "/^(\d+)\/(\d+[1-9]|[1-9]\d*)$/", $in, $m ) ) { # Avoid division by zero
+			return $this->isLong( $m[1] ) && $this->isLong( $m[2] );
+		} else {
+			$this->debug( $in, __FUNCTION__, 'fed a non-fraction value' );
+			return false;
+		}
+	}
+
+	function isUndefined( $in ) {
+		if ( !is_array( $in ) && preg_match( "/^\d{4}$/", $in ) ) { // Allow ExifVersion and FlashpixVersion
+			$this->debug( $in, __FUNCTION__, true );
+			return true;
+		} else {
+			$this->debug( $in, __FUNCTION__, false );
+			return false;
+		}
+	}
+
+	function isSlong( $in ) {
+		if ( $this->isLong( abs( $in ) ) ) {
+			$this->debug( $in, __FUNCTION__, true );
+			return true;
+		} else {
+			$this->debug( $in, __FUNCTION__, false );
+			return false;
+		}
+	}
+
+	function isSrational( $in ) {
+		if ( !is_array( $in ) && preg_match( "/^(\d+)\/(\d+[1-9]|[1-9]\d*)$/", $in, $m ) ) { # Avoid division by zero
+			return $this->isSlong( $m[0] ) && $this->isSlong( $m[1] );
+		} else {
+			$this->debug( $in, __FUNCTION__, 'fed a non-fraction value' );
+			return false;
+		}
+	}
+	/**#@-*/
+
+	/**
+	 * Validates if a tag has a legal value according to the Exif spec
+	 *
+	 * @private
+	 *
+	 * @param $tag String: the tag to check.
+	 * @param $val Mixed: the value of the tag.
+	 * @return bool
+	 */
+	function validate( $tag, $val ) {
+		$debug = "tag is '$tag'";
+		// Does not work if not typecast
+		switch( (string)$this->mFlatExifTags[$tag] ) {
+			case (string)Exif::BYTE:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isByte( $val );
+			case (string)Exif::ASCII:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isASCII( $val );
+			case (string)Exif::SHORT:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isShort( $val );
+			case (string)Exif::LONG:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isLong( $val );
+			case (string)Exif::RATIONAL:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isRational( $val );
+			case (string)Exif::UNDEFINED:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isUndefined( $val );
+			case (string)Exif::SLONG:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isSlong( $val );
+			case (string)Exif::SRATIONAL:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isSrational( $val );
+			case (string)Exif::SHORT.','.Exif::LONG:
+				$this->debug( $val, __FUNCTION__, $debug );
+				return $this->isShort( $val ) || $this->isLong( $val );
+			default:
+				$this->debug( $val, __FUNCTION__, "The tag '$tag' is unknown" );
+				return false;
+		}
+	}
+
+	/**
+	 * Convenience function for debugging output
+	 *
+	 * @private
+	 *
+	 * @param $in Mixed: 
+	 * @param $fname String: 
+	 * @param $action Mixed: , default NULL.
+	 */
+	 function debug( $in, $fname, $action = NULL ) {
+		$type = gettype( $in );
+		$class = ucfirst( __CLASS__ );
+		if ( $type === 'array' )
+			$in = print_r( $in, true );
+
+		if ( $action === true )
+			wfDebugLog( $this->log, "$class::$fname: accepted: '$in' (type: $type)\n");
+		elseif ( $action === false )
+			wfDebugLog( $this->log, "$class::$fname: rejected: '$in' (type: $type)\n");
+		elseif ( $action === null )
+			wfDebugLog( $this->log, "$class::$fname: input was: '$in' (type: $type)\n");
+		else
+			wfDebugLog( $this->log, "$class::$fname: $action (type: $type; content: '$in')\n");
+	}
+
+	/**
+	 * Convenience function for debugging output
+	 *
+	 * @private
+	 *
+	 * @param $fname String: the name of the function calling this function
+	 * @param $io Boolean: Specify whether we're beginning or ending
+	 */
+	function debugFile( $fname, $io ) {
+		$class = ucfirst( __CLASS__ );
+		if ( $io ) {
+			wfDebugLog( $this->log, "$class::$fname: begin processing: '{$this->basename}'\n" );
+		} else {
+			wfDebugLog( $this->log, "$class::$fname: end processing: '{$this->basename}'\n" );
+		}
+	}
+
+}
+
+/**
+ * @package MediaWiki
+ * @subpackage Metadata
+ */
+class FormatExif {
+	/**
+	 * The Exif data to format
+	 *
+	 * @var array
+	 * @private
+	 */
+	var $mExif;
+
+	/**
+	 * Constructor
+	 *
+	 * @param $exif Array: the Exif data to format ( as returned by
+	 *                    Exif::getFilteredData() )
+	 */
+	function FormatExif( $exif ) {
+		$this->mExif = $exif;
+	}
+
+	/**
+	 * Numbers given by Exif user agents are often magical, that is they
+	 * should be replaced by a detailed explanation depending on their
+	 * value which most of the time are plain integers. This function
+	 * formats Exif values into human readable form.
+	 *
+	 * @return array
+	 */
+	function getFormattedData() {
+		global $wgLang;
+
+		$tags =& $this->mExif;
+
+		$resolutionunit = !isset( $tags['ResolutionUnit'] ) || $tags['ResolutionUnit'] == 2 ? 2 : 3;
+		unset( $tags['ResolutionUnit'] );
+
+		foreach( $tags as $tag => $val ) {
+			switch( $tag ) {
+			case 'Compression':
+				switch( $val ) {
+				case 1: case 6:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'PhotometricInterpretation':
+				switch( $val ) {
+				case 2: case 6:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'Orientation':
+				switch( $val ) {
+				case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'PlanarConfiguration':
+				switch( $val ) {
+				case 1: case 2:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			// TODO: YCbCrSubSampling
+			// TODO: YCbCrPositioning
+
+			case 'XResolution':
+			case 'YResolution':
+				switch( $resolutionunit ) {
+					case 2:
+						$tags[$tag] = $this->msg( 'XYResolution', 'i', $this->formatNum( $val ) );
+						break;
+					case 3:
+						$this->msg( 'XYResolution', 'c', $this->formatNum( $val ) );
+						break;
+					default:
+						$tags[$tag] = $val;
+						break;
+				}
+				break;
+
+			// TODO: YCbCrCoefficients  #p27 (see annex E)
+			case 'ExifVersion': case 'FlashpixVersion':
+				$tags[$tag] = "$val"/100;
+				break;
+
+			case 'ColorSpace':
+				switch( $val ) {
+				case 1: case 'FFFF.H':
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'ComponentsConfiguration':
+				switch( $val ) {
+				case 0: case 1: case 2: case 3: case 4: case 5: case 6:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'DateTime':
+			case 'DateTimeOriginal':
+			case 'DateTimeDigitized':
+				if( preg_match( "/^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/", $val ) ) {
+					$tags[$tag] = $wgLang->timeanddate( wfTimestamp(TS_MW, $val) );
+				}
+				break;
+
+			case 'ExposureProgram':
+				switch( $val ) {
+				case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'SubjectDistance':
+				$tags[$tag] = $this->msg( $tag, '', $this->formatNum( $val ) );
+				break;
+
+			case 'MeteringMode':
+				switch( $val ) {
+				case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 255:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'LightSource':
+				switch( $val ) {
+				case 0: case 1: case 2: case 3: case 4: case 9: case 10: case 11:
+				case 12: case 13: case 14: case 15: case 17: case 18: case 19: case 20:
+				case 21: case 22: case 23: case 24: case 255:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			// TODO: Flash
+			case 'FocalPlaneResolutionUnit':
+				switch( $val ) {
+				case 2:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'SensingMethod':
+				switch( $val ) {
+				case 1: case 2: case 3: case 4: case 5: case 7: case 8:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'FileSource':
+				switch( $val ) {
+				case 3:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'SceneType':
+				switch( $val ) {
+				case 1:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'CustomRendered':
+				switch( $val ) {
+				case 0: case 1:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'ExposureMode':
+				switch( $val ) {
+				case 0: case 1: case 2:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'WhiteBalance':
+				switch( $val ) {
+				case 0: case 1:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'SceneCaptureType':
+				switch( $val ) {
+				case 0: case 1: case 2: case 3:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GainControl':
+				switch( $val ) {
+				case 0: case 1: case 2: case 3: case 4:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'Contrast':
+				switch( $val ) {
+				case 0: case 1: case 2:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'Saturation':
+				switch( $val ) {
+				case 0: case 1: case 2:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'Sharpness':
+				switch( $val ) {
+				case 0: case 1: case 2:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'SubjectDistanceRange':
+				switch( $val ) {
+				case 0: case 1: case 2: case 3:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GPSLatitudeRef':
+			case 'GPSDestLatitudeRef':
+				switch( $val ) {
+				case 'N': case 'S':
+					$tags[$tag] = $this->msg( 'GPSLatitude', $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GPSLongitudeRef':
+			case 'GPSDestLongitudeRef':
+				switch( $val ) {
+				case 'E': case 'W':
+					$tags[$tag] = $this->msg( 'GPSLongitude', $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GPSStatus':
+				switch( $val ) {
+				case 'A': case 'V':
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GPSMeasureMode':
+				switch( $val ) {
+				case 2: case 3:
+					$tags[$tag] = $this->msg( $tag, $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GPSSpeedRef':
+			case 'GPSDestDistanceRef':
+				switch( $val ) {
+				case 'K': case 'M': case 'N':
+					$tags[$tag] = $this->msg( 'GPSSpeed', $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GPSTrackRef':
+			case 'GPSImgDirectionRef':
+			case 'GPSDestBearingRef':
+				switch( $val ) {
+				case 'T': case 'M':
+					$tags[$tag] = $this->msg( 'GPSDirection', $val );
+					break;
+				default:
+					$tags[$tag] = $val;
+					break;
+				}
+				break;
+
+			case 'GPSDateStamp':
+				$tags[$tag] = $wgLang->date( substr( $val, 0, 4 ) . substr( $val, 5, 2 ) . substr( $val, 8, 2 ) . '000000' );
+				break;
+
+			// This is not in the Exif standard, just a special
+			// case for our purposes which enables wikis to wikify
+			// the make, model and software name to link to their articles.
+			case 'Make':
+			case 'Model':
+			case 'Software':
+				$tags[$tag] = $this->msg( $tag, '', $val );
+				break;
+
+			case 'ExposureTime':
+				// Show the pretty fraction as well as decimal version
+				$tags[$tag] = wfMsg( 'exif-exposuretime-format',
+					$this->formatFraction( $val ), $this->formatNum( $val ) );
+				break;
+
+			case 'FNumber':
+				$tags[$tag] = wfMsg( 'exif-fnumber-format',
+					$this->formatNum( $val ) );
+				break;
+
+			case 'FocalLength':
+				$tags[$tag] = wfMsg( 'exif-focallength-format',
+					$this->formatNum( $val ) );
+				break;
+
+			default:
+				$tags[$tag] = $this->formatNum( $val );
+				break;
+			}
+		}
+
+		return $tags;
+	}
+
+	/**
+	 * Convenience function for getFormattedData()
+	 *
+	 * @private
+	 *
+	 * @param $tag String: the tag name to pass on
+	 * @param $val String: the value of the tag
+	 * @param $arg String: an argument to pass ($1)
+	 * @return string A wfMsg of "exif-$tag-$val" in lower case
+	 */
+	function msg( $tag, $val, $arg = null ) {
+		global $wgContLang;
+
+		if ($val === '')
+			$val = 'value';
+		return wfMsg( $wgContLang->lc( "exif-$tag-$val" ), $arg );
+	}
+
+	/**
+	 * Format a number, convert numbers from fractions into floating point
+	 * numbers
+	 *
+	 * @private
+	 *
+	 * @param $num Mixed: the value to format
+	 * @return mixed A floating point number or whatever we were fed
+	 */
+	function formatNum( $num ) {
+		if ( preg_match( '/^(\d+)\/(\d+)$/', $num, $m ) )
+			return $m[2] != 0 ? $m[1] / $m[2] : $num;
+		else
+			return $num;
+	}
+
+	/**
+	 * Format a rational number, reducing fractions
+	 *
+	 * @private
+	 *
+	 * @param $num Mixed: the value to format
+	 * @return mixed A floating point number or whatever we were fed
+	 */
+	function formatFraction( $num ) {
+		if ( preg_match( '/^(\d+)\/(\d+)$/', $num, $m ) ) {
+			$numerator = intval( $m[1] );
+			$denominator = intval( $m[2] );
+			$gcd = $this->gcd( $numerator, $denominator );
+			if( $gcd != 0 ) {
+				// 0 shouldn't happen! ;)
+				return $numerator / $gcd . '/' . $denominator / $gcd;
+			}
+		}
+		return $this->formatNum( $num );
+	}
+
+	/**
+	 * Calculate the greatest common divisor of two integers.
+	 *
+	 * @param $a Integer: FIXME
+	 * @param $b Integer: FIXME
+	 * @return int
+	 * @private
+	 */
+	function gcd( $a, $b ) {
+		/*
+			// http://en.wikipedia.org/wiki/Euclidean_algorithm
+			// Recursive form would be:
+			if( $b == 0 )
+				return $a;
+			else
+				return gcd( $b, $a % $b );
+		*/
+		while( $b != 0 ) {
+			$remainder = $a % $b;
+
+			// tail recursion...
+			$a = $b;
+			$b = $remainder;
+		}
+		return $a;
+	}
+}
+
+/**
+ * MW 1.6 compatibility
+ */
+define( 'MW_EXIF_BYTE', Exif::BYTE );
+define( 'MW_EXIF_ASCII', Exif::ASCII );
+define( 'MW_EXIF_SHORT', Exif::SHORT );
+define( 'MW_EXIF_LONG', Exif::LONG );
+define( 'MW_EXIF_RATIONAL', Exif::RATIONAL );
+define( 'MW_EXIF_UNDEFINED', Exif::UNDEFINED );
+define( 'MW_EXIF_SLONG', Exif::SLONG );
+define( 'MW_EXIF_SRATIONAL', Exif::SRATIONAL );
+
+?>
diff --git a/includes/Export.php b/includes/Export.php
new file mode 100644
index 00000000..da92694e
--- /dev/null
+++ b/includes/Export.php
@@ -0,0 +1,736 @@
+<?php
+# Copyright (C) 2003, 2005, 2006 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/** */
+
+define( 'MW_EXPORT_FULL',     0 );
+define( 'MW_EXPORT_CURRENT',  1 );
+
+define( 'MW_EXPORT_BUFFER',   0 );
+define( 'MW_EXPORT_STREAM',   1 );
+
+define( 'MW_EXPORT_TEXT',     0 );
+define( 'MW_EXPORT_STUB',     1 );
+
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class WikiExporter {
+	
+	var $list_authors = false ; # Return distinct author list (when not returning full history)
+	var $author_list = "" ;
+	
+	/**
+	 * If using MW_EXPORT_STREAM to stream a large amount of data,
+	 * provide a database connection which is not managed by
+	 * LoadBalancer to read from: some history blob types will
+	 * make additional queries to pull source data while the
+	 * main query is still running.
+	 *
+	 * @param Database $db
+	 * @param int $history one of MW_EXPORT_FULL or MW_EXPORT_CURRENT
+	 * @param int $buffer one of MW_EXPORT_BUFFER or MW_EXPORT_STREAM
+	 */
+	function WikiExporter( &$db, $history = MW_EXPORT_CURRENT,
+			$buffer = MW_EXPORT_BUFFER, $text = MW_EXPORT_TEXT ) {
+		$this->db =& $db;
+		$this->history = $history;
+		$this->buffer  = $buffer;
+		$this->writer  = new XmlDumpWriter();
+		$this->sink    = new DumpOutput();
+		$this->text    = $text;
+	}
+
+	/**
+	 * Set the DumpOutput or DumpFilter object which will receive
+	 * various row objects and XML output for filtering. Filters
+	 * can be chained or used as callbacks.
+	 *
+	 * @param mixed $callback
+	 */
+	function setOutputSink( &$sink ) {
+		$this->sink =& $sink;
+	}
+
+	function openStream() {
+		$output = $this->writer->openStream();
+		$this->sink->writeOpenStream( $output );
+	}
+
+	function closeStream() {
+		$output = $this->writer->closeStream();
+		$this->sink->writeCloseStream( $output );
+	}
+
+	/**
+	 * Dumps a series of page and revision records for all pages
+	 * in the database, either including complete history or only
+	 * the most recent version.
+	 */
+	function allPages() {
+		return $this->dumpFrom( '' );
+	}
+
+	/**
+	 * Dumps a series of page and revision records for those pages
+	 * in the database falling within the page_id range given.
+	 * @param int $start Inclusive lower limit (this id is included)
+	 * @param int $end   Exclusive upper limit (this id is not included)
+	 *                   If 0, no upper limit.
+	 */
+	function pagesByRange( $start, $end ) {
+		$condition = 'page_id >= ' . intval( $start );
+		if( $end ) {
+			$condition .= ' AND page_id < ' . intval( $end );
+		}
+		return $this->dumpFrom( $condition );
+	}
+
+	/**
+	 * @param Title $title
+	 */
+	function pageByTitle( $title ) {
+		return $this->dumpFrom(
+			'page_namespace=' . $title->getNamespace() .
+			' AND page_title=' . $this->db->addQuotes( $title->getDbKey() ) );
+	}
+
+	function pageByName( $name ) {
+		$title = Title::newFromText( $name );
+		if( is_null( $title ) ) {
+			return new WikiError( "Can't export invalid title" );
+		} else {
+			return $this->pageByTitle( $title );
+		}
+	}
+
+	function pagesByName( $names ) {
+		foreach( $names as $name ) {
+			$this->pageByName( $name );
+		}
+	}
+
+
+	// -------------------- private implementation below --------------------
+
+	# Generates the distinct list of authors of an article
+	# Not called by default (depends on $this->list_authors)
+	# Can be set by Special:Export when not exporting whole history
+	function do_list_authors ( $page , $revision , $cond ) {
+		$fname = "do_list_authors" ;
+		wfProfileIn( $fname );
+		$this->author_list = "<contributors>";
+		$sql = "SELECT DISTINCT rev_user_text,rev_user FROM {$page},{$revision} WHERE page_id=rev_page AND " . $cond ;
+		$result = $this->db->query( $sql, $fname );
+		$resultset = $this->db->resultObject( $result );
+		while( $row = $resultset->fetchObject() ) {
+			$this->author_list .= "<contributor>" . 
+				"<username>" . 
+				htmlentities( $row->rev_user_text )  . 
+				"</username>" . 
+				"<id>" . 
+				$row->rev_user .
+				"</id>" . 
+				"</contributor>";
+		}
+		wfProfileOut( $fname );
+		$this->author_list .= "</contributors>";
+	}
+
+	function dumpFrom( $cond = '' ) {
+		$fname = 'WikiExporter::dumpFrom';
+		wfProfileIn( $fname );
+
+		$page     = $this->db->tableName( 'page' );
+		$revision = $this->db->tableName( 'revision' );
+		$text     = $this->db->tableName( 'text' );
+		
+		if( $this->history == MW_EXPORT_FULL ) {
+			$join = 'page_id=rev_page';
+		} elseif( $this->history == MW_EXPORT_CURRENT ) {
+			if ( $this->list_authors && $cond != '' )  { // List authors, if so desired
+				$this->do_list_authors ( $page , $revision , $cond );
+			}
+			$join = 'page_id=rev_page AND page_latest=rev_id';
+		} else {
+			wfProfileOut( $fname );
+			return new WikiError( "$fname given invalid history dump type." );
+		}
+		$where = ( $cond == '' ) ? '' : "$cond AND";
+
+		if( $this->buffer == MW_EXPORT_STREAM ) {
+			$prev = $this->db->bufferResults( false );
+		}
+		if( $cond == '' ) {
+			// Optimization hack for full-database dump
+			$revindex = $pageindex = $this->db->useIndexClause("PRIMARY");
+			$straight = ' /*! STRAIGHT_JOIN */ ';
+		} else {
+			$pageindex = '';
+			$revindex = '';
+			$straight = '';
+		}
+		if( $this->text == MW_EXPORT_STUB ) {
+			$sql = "SELECT $straight * FROM
+					$page $pageindex,
+					$revision $revindex
+					WHERE $where $join
+					ORDER BY page_id";
+		} else {
+			$sql = "SELECT $straight * FROM
+					$page $pageindex,
+					$revision $revindex,
+					$text
+					WHERE $where $join AND rev_text_id=old_id
+					ORDER BY page_id";
+		}
+		$result = $this->db->query( $sql, $fname );
+		$wrapper = $this->db->resultObject( $result );
+		$this->outputStream( $wrapper );
+		
+		if ( $this->list_authors ) {
+			$this->outputStream( $wrapper );
+		}
+
+		if( $this->buffer == MW_EXPORT_STREAM ) {
+			$this->db->bufferResults( $prev );
+		}
+
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Runs through a query result set dumping page and revision records.
+	 * The result set should be sorted/grouped by page to avoid duplicate
+	 * page records in the output.
+	 *
+	 * The result set will be freed once complete. Should be safe for
+	 * streaming (non-buffered) queries, as long as it was made on a
+	 * separate database connection not managed by LoadBalancer; some
+	 * blob storage types will make queries to pull source data.
+	 *
+	 * @param ResultWrapper $resultset
+	 * @access private
+	 */
+	function outputStream( $resultset ) {
+		$last = null;
+		while( $row = $resultset->fetchObject() ) {
+			if( is_null( $last ) ||
+				$last->page_namespace != $row->page_namespace ||
+				$last->page_title     != $row->page_title ) {
+				if( isset( $last ) ) {
+					$output = $this->writer->closePage();
+					$this->sink->writeClosePage( $output );
+				}
+				$output = $this->writer->openPage( $row );
+				$this->sink->writeOpenPage( $row, $output );
+				$last = $row;
+			}
+			$output = $this->writer->writeRevision( $row );
+			$this->sink->writeRevision( $row, $output );
+		}
+		if( isset( $last ) ) {
+			$output = $this->author_list . $this->writer->closePage();
+			$this->sink->writeClosePage( $output );
+		}
+		$resultset->free();
+	}
+}
+
+class XmlDumpWriter {
+
+	/**
+	 * Returns the export schema version.
+	 * @return string
+	 */
+	function schemaVersion() {
+		return "0.3"; // FIXME: upgrade to 0.4 when updated XSD is ready, for the revision deletion bits
+	}
+
+	/**
+	 * Opens the XML output stream's root <mediawiki> element.
+	 * This does not include an xml directive, so is safe to include
+	 * as a subelement in a larger XML stream. Namespace and XML Schema
+	 * references are included.
+	 *
+	 * Output will be encoded in UTF-8.
+	 *
+	 * @return string
+	 */
+	function openStream() {
+		global $wgContLanguageCode;
+		$ver = $this->schemaVersion();
+		return wfElement( 'mediawiki', array(
+			'xmlns'              => "http://www.mediawiki.org/xml/export-$ver/",
+			'xmlns:xsi'          => "http://www.w3.org/2001/XMLSchema-instance",
+			'xsi:schemaLocation' => "http://www.mediawiki.org/xml/export-$ver/ " .
+			                        "http://www.mediawiki.org/xml/export-$ver.xsd",
+			'version'            => $ver,
+			'xml:lang'           => $wgContLanguageCode ),
+			null ) .
+			"\n" .
+			$this->siteInfo();
+	}
+
+	function siteInfo() {
+		$info = array(
+			$this->sitename(),
+			$this->homelink(),
+			$this->generator(),
+			$this->caseSetting(),
+			$this->namespaces() );
+		return "  <siteinfo>\n    " .
+			implode( "\n    ", $info ) .
+			"\n  </siteinfo>\n";
+	}
+
+	function sitename() {
+		global $wgSitename;
+		return wfElement( 'sitename', array(), $wgSitename );
+	}
+
+	function generator() {
+		global $wgVersion;
+		return wfElement( 'generator', array(), "MediaWiki $wgVersion" );
+	}
+
+	function homelink() {
+		$page = Title::newFromText( wfMsgForContent( 'mainpage' ) );
+		return wfElement( 'base', array(), $page->getFullUrl() );
+	}
+
+	function caseSetting() {
+		global $wgCapitalLinks;
+		// "case-insensitive" option is reserved for future
+		$sensitivity = $wgCapitalLinks ? 'first-letter' : 'case-sensitive';
+		return wfElement( 'case', array(), $sensitivity );
+	}
+
+	function namespaces() {
+		global $wgContLang;
+		$spaces = "  <namespaces>\n";
+		foreach( $wgContLang->getFormattedNamespaces() as $ns => $title ) {
+			$spaces .= '      ' . wfElement( 'namespace', array( 'key' => $ns ), $title ) . "\n";
+		}
+		$spaces .= "    </namespaces>";
+		return $spaces;
+	}
+
+	/**
+	 * Closes the output stream with the closing root element.
+	 * Call when finished dumping things.
+	 */
+	function closeStream() {
+		return "</mediawiki>\n";
+	}
+
+
+	/**
+	 * Opens a <page> section on the output stream, with data
+	 * from the given database row.
+	 *
+	 * @param object $row
+	 * @return string
+	 * @access private
+	 */
+	function openPage( $row ) {
+		$out = "  <page>\n";
+		$title = Title::makeTitle( $row->page_namespace, $row->page_title );
+		$out .= '    ' . wfElementClean( 'title', array(), $title->getPrefixedText() ) . "\n";
+		$out .= '    ' . wfElement( 'id', array(), strval( $row->page_id ) ) . "\n";
+		if( '' != $row->page_restrictions ) {
+			$out .= '    ' . wfElement( 'restrictions', array(),
+				strval( $row->page_restrictions ) ) . "\n";
+		}
+		return $out;
+	}
+
+	/**
+	 * Closes a <page> section on the output stream.
+	 *
+	 * @access private
+	 */
+	function closePage() {
+		return "  </page>\n";
+	}
+
+	/**
+	 * Dumps a <revision> section on the output stream, with
+	 * data filled in from the given database row.
+	 *
+	 * @param object $row
+	 * @return string
+	 * @access private
+	 */
+	function writeRevision( $row ) {
+		$fname = 'WikiExporter::dumpRev';
+		wfProfileIn( $fname );
+
+		$out  = "    <revision>\n";
+		$out .= "      " . wfElement( 'id', null, strval( $row->rev_id ) ) . "\n";
+
+		$ts = wfTimestamp( TS_ISO_8601, $row->rev_timestamp );
+		$out .= "      " . wfElement( 'timestamp', null, $ts ) . "\n";
+
+		if( $row->rev_deleted & Revision::DELETED_USER ) {
+			$out .= "      " . wfElement( 'contributor', array( 'deleted' => 'deleted' ) ) . "\n";
+		} else {
+			$out .= "      <contributor>\n";
+			if( $row->rev_user ) {
+				$out .= "        " . wfElementClean( 'username', null, strval( $row->rev_user_text ) ) . "\n";
+				$out .= "        " . wfElement( 'id', null, strval( $row->rev_user ) ) . "\n";
+			} else {
+				$out .= "        " . wfElementClean( 'ip', null, strval( $row->rev_user_text ) ) . "\n";
+			}
+			$out .= "      </contributor>\n";
+		}
+
+		if( $row->rev_minor_edit ) {
+			$out .=  "      <minor/>\n";
+		}
+		if( $row->rev_deleted & Revision::DELETED_COMMENT ) {
+			$out .= "      " . wfElement( 'comment', array( 'deleted' => 'deleted' ) ) . "\n";
+		} elseif( $row->rev_comment != '' ) {
+			$out .= "      " . wfElementClean( 'comment', null, strval( $row->rev_comment ) ) . "\n";
+		}
+
+		if( $row->rev_deleted & Revision::DELETED_TEXT ) {
+			$out .= "      " . wfElement( 'text', array( 'deleted' => 'deleted' ) ) . "\n";
+		} elseif( isset( $row->old_text ) ) {
+			// Raw text from the database may have invalid chars
+			$text = strval( Revision::getRevisionText( $row ) );
+			$out .= "      " . wfElementClean( 'text',
+				array( 'xml:space' => 'preserve' ),
+				strval( $text ) ) . "\n";
+		} else {
+			// Stub output
+			$out .= "      " . wfElement( 'text',
+				array( 'id' => $row->rev_text_id ),
+				"" ) . "\n";
+		}
+
+		$out .= "    </revision>\n";
+
+		wfProfileOut( $fname );
+		return $out;
+	}
+
+}
+
+
+/**
+ * Base class for output stream; prints to stdout or buffer or whereever.
+ */
+class DumpOutput {
+	function writeOpenStream( $string ) {
+		$this->write( $string );
+	}
+
+	function writeCloseStream( $string ) {
+		$this->write( $string );
+	}
+
+	function writeOpenPage( $page, $string ) {
+		$this->write( $string );
+	}
+
+	function writeClosePage( $string ) {
+		$this->write( $string );
+	}
+
+	function writeRevision( $rev, $string ) {
+		$this->write( $string );
+	}
+
+	/**
+	 * Override to write to a different stream type.
+	 * @return bool
+	 */
+	function write( $string ) {
+		print $string;
+	}
+}
+
+/**
+ * Stream outputter to send data to a file.
+ */
+class DumpFileOutput extends DumpOutput {
+	var $handle;
+
+	function DumpFileOutput( $file ) {
+		$this->handle = fopen( $file, "wt" );
+	}
+
+	function write( $string ) {
+		fputs( $this->handle, $string );
+	}
+}
+
+/**
+ * Stream outputter to send data to a file via some filter program.
+ * Even if compression is available in a library, using a separate
+ * program can allow us to make use of a multi-processor system.
+ */
+class DumpPipeOutput extends DumpFileOutput {
+	function DumpPipeOutput( $command, $file = null ) {
+		if( !is_null( $file ) ) {
+			$command .=  " > " . wfEscapeShellArg( $file );
+		}
+		$this->handle = popen( $command, "w" );
+	}
+}
+
+/**
+ * Sends dump output via the gzip compressor.
+ */
+class DumpGZipOutput extends DumpPipeOutput {
+	function DumpGZipOutput( $file ) {
+		parent::DumpPipeOutput( "gzip", $file );
+	}
+}
+
+/**
+ * Sends dump output via the bgzip2 compressor.
+ */
+class DumpBZip2Output extends DumpPipeOutput {
+	function DumpBZip2Output( $file ) {
+		parent::DumpPipeOutput( "bzip2", $file );
+	}
+}
+
+/**
+ * Sends dump output via the p7zip compressor.
+ */
+class Dump7ZipOutput extends DumpPipeOutput {
+	function Dump7ZipOutput( $file ) {
+		$command = "7za a -bd -si " . wfEscapeShellArg( $file );
+		// Suppress annoying useless crap from p7zip
+		// Unfortunately this could suppress real error messages too
+		$command .= " >/dev/null 2>&1";
+		parent::DumpPipeOutput( $command );
+	}
+}
+
+
+
+/**
+ * Dump output filter class.
+ * This just does output filtering and streaming; XML formatting is done
+ * higher up, so be careful in what you do.
+ */
+class DumpFilter {
+	function DumpFilter( &$sink ) {
+		$this->sink =& $sink;
+	}
+
+	function writeOpenStream( $string ) {
+		$this->sink->writeOpenStream( $string );
+	}
+
+	function writeCloseStream( $string ) {
+		$this->sink->writeCloseStream( $string );
+	}
+
+	function writeOpenPage( $page, $string ) {
+		$this->sendingThisPage = $this->pass( $page, $string );
+		if( $this->sendingThisPage ) {
+			$this->sink->writeOpenPage( $page, $string );
+		}
+	}
+
+	function writeClosePage( $string ) {
+		if( $this->sendingThisPage ) {
+			$this->sink->writeClosePage( $string );
+			$this->sendingThisPage = false;
+		}
+	}
+
+	function writeRevision( $rev, $string ) {
+		if( $this->sendingThisPage ) {
+			$this->sink->writeRevision( $rev, $string );
+		}
+	}
+
+	/**
+	 * Override for page-based filter types.
+	 * @return bool
+	 */
+	function pass( $page, $string ) {
+		return true;
+	}
+}
+
+/**
+ * Simple dump output filter to exclude all talk pages.
+ */
+class DumpNotalkFilter extends DumpFilter {
+	function pass( $page ) {
+		return !Namespace::isTalk( $page->page_namespace );
+	}
+}
+
+/**
+ * Dump output filter to include or exclude pages in a given set of namespaces.
+ */
+class DumpNamespaceFilter extends DumpFilter {
+	var $invert = false;
+	var $namespaces = array();
+
+	function DumpNamespaceFilter( &$sink, $param ) {
+		parent::DumpFilter( $sink );
+
+		$constants = array(
+			"NS_MAIN"           => NS_MAIN,
+			"NS_TALK"           => NS_TALK,
+			"NS_USER"           => NS_USER,
+			"NS_USER_TALK"      => NS_USER_TALK,
+			"NS_PROJECT"        => NS_PROJECT,
+			"NS_PROJECT_TALK"   => NS_PROJECT_TALK,
+			"NS_IMAGE"          => NS_IMAGE,
+			"NS_IMAGE_TALK"     => NS_IMAGE_TALK,
+			"NS_MEDIAWIKI"      => NS_MEDIAWIKI,
+			"NS_MEDIAWIKI_TALK" => NS_MEDIAWIKI_TALK,
+			"NS_TEMPLATE"       => NS_TEMPLATE,
+			"NS_TEMPLATE_TALK"  => NS_TEMPLATE_TALK,
+			"NS_HELP"           => NS_HELP,
+			"NS_HELP_TALK"      => NS_HELP_TALK,
+			"NS_CATEGORY"       => NS_CATEGORY,
+			"NS_CATEGORY_TALK"  => NS_CATEGORY_TALK );
+
+		if( $param{0} == '!' ) {
+			$this->invert = true;
+			$param = substr( $param, 1 );
+		}
+
+		foreach( explode( ',', $param ) as $key ) {
+			$key = trim( $key );
+			if( isset( $constants[$key] ) ) {
+				$ns = $constants[$key];
+				$this->namespaces[$ns] = true;
+			} elseif( is_numeric( $key ) ) {
+				$ns = intval( $key );
+				$this->namespaces[$ns] = true;
+			} else {
+				throw new MWException( "Unrecognized namespace key '$key'\n" );
+			}
+		}
+	}
+
+	function pass( $page ) {
+		$match = isset( $this->namespaces[$page->page_namespace] );
+		return $this->invert xor $match;
+	}
+}
+
+
+/**
+ * Dump output filter to include only the last revision in each page sequence.
+ */
+class DumpLatestFilter extends DumpFilter {
+	var $page, $pageString, $rev, $revString;
+
+	function writeOpenPage( $page, $string ) {
+		$this->page = $page;
+		$this->pageString = $string;
+	}
+
+	function writeClosePage( $string ) {
+		if( $this->rev ) {
+			$this->sink->writeOpenPage( $this->page, $this->pageString );
+			$this->sink->writeRevision( $this->rev, $this->revString );
+			$this->sink->writeClosePage( $string );
+		}
+		$this->rev = null;
+		$this->revString = null;
+		$this->page = null;
+		$this->pageString = null;
+	}
+
+	function writeRevision( $rev, $string ) {
+		if( $rev->rev_id == $this->page->page_latest ) {
+			$this->rev = $rev;
+			$this->revString = $string;
+		}
+	}
+}
+
+/**
+ * Base class for output stream; prints to stdout or buffer or whereever.
+ */
+class DumpMultiWriter {
+	function DumpMultiWriter( $sinks ) {
+		$this->sinks = $sinks;
+		$this->count = count( $sinks );
+	}
+
+	function writeOpenStream( $string ) {
+		for( $i = 0; $i < $this->count; $i++ ) {
+			$this->sinks[$i]->writeOpenStream( $string );
+		}
+	}
+
+	function writeCloseStream( $string ) {
+		for( $i = 0; $i < $this->count; $i++ ) {
+			$this->sinks[$i]->writeCloseStream( $string );
+		}
+	}
+
+	function writeOpenPage( $page, $string ) {
+		for( $i = 0; $i < $this->count; $i++ ) {
+			$this->sinks[$i]->writeOpenPage( $page, $string );
+		}
+	}
+
+	function writeClosePage( $string ) {
+		for( $i = 0; $i < $this->count; $i++ ) {
+			$this->sinks[$i]->writeClosePage( $string );
+		}
+	}
+
+	function writeRevision( $rev, $string ) {
+		for( $i = 0; $i < $this->count; $i++ ) {
+			$this->sinks[$i]->writeRevision( $rev, $string );
+		}
+	}
+}
+
+function xmlsafe( $string ) {
+	$fname = 'xmlsafe';
+	wfProfileIn( $fname );
+
+	/**
+	 * The page may contain old data which has not been properly normalized.
+	 * Invalid UTF-8 sequences or forbidden control characters will make our
+	 * XML output invalid, so be sure to strip them out.
+	 */
+	$string = UtfNormal::cleanUp( $string );
+
+	$string = htmlspecialchars( $string );
+	wfProfileOut( $fname );
+	return $string;
+}
+
+?>
diff --git a/includes/ExternalEdit.php b/includes/ExternalEdit.php
new file mode 100644
index 00000000..21f632ec
--- /dev/null
+++ b/includes/ExternalEdit.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * License: Public domain
+ *
+ * @author Erik Moeller <moeller@scireview.de>
+ * @package MediaWiki
+ */
+
+/**
+ *
+ * @package MediaWiki
+ *
+ * Support for external editors to modify both text and files
+ * in external applications. It works as follows: MediaWiki
+ * sends a meta-file with the MIME type 'application/x-external-editor'
+ * to the client. The user has to associate that MIME type with
+ * a helper application (a reference implementation in Perl
+ * can be found in extensions/ee), which will launch the editor,
+ * and save the modified data back to the server.
+ *
+ */
+
+class ExternalEdit {
+
+	function ExternalEdit ( $article, $mode ) {
+		global $wgInputEncoding;
+		$this->mArticle =& $article;
+		$this->mTitle =& $article->mTitle;
+		$this->mCharset = $wgInputEncoding;
+		$this->mMode = $mode;
+	}
+
+	function edit() {
+		global $wgOut, $wgScript, $wgScriptPath, $wgServer, $wgLang;
+		$wgOut->disable();
+		$name=$this->mTitle->getText();
+		$pos=strrpos($name,".")+1;
+		header ( "Content-type: application/x-external-editor; charset=".$this->mCharset );
+
+		# $type can be "Edit text", "Edit file" or "Diff text" at the moment
+		# See the protocol specifications at [[m:Help:External editors/Tech]] for
+		# details.
+		if(!isset($this->mMode)) {
+			$type="Edit text";
+			$url=$this->mTitle->getFullURL("action=edit&internaledit=true");
+			# *.wiki file extension is used by some editors for syntax
+			# highlighting, so we follow that convention
+			$extension="wiki";
+		} elseif($this->mMode=="file") {
+			$type="Edit file";
+			$image = Image::newFromTitle( $this->mTitle );
+			$img_url = $image->getURL();
+			if(strpos($img_url,"://")) {
+				$url = $img_url;
+			} else {
+				$url = $wgServer . $img_url;
+			}
+			$extension=substr($name, $pos);
+		}
+		$special=$wgLang->getNsText(NS_SPECIAL);
+		$control = <<<CONTROL
+[Process]
+Type=$type
+Engine=MediaWiki
+Script={$wgServer}{$wgScript}
+Server={$wgServer}
+Path={$wgScriptPath}
+Special namespace=$special
+
+[File]
+Extension=$extension
+URL=$url
+CONTROL;
+		echo $control;
+	}
+}
+?>
diff --git a/includes/ExternalStore.php b/includes/ExternalStore.php
new file mode 100644
index 00000000..79f1a528
--- /dev/null
+++ b/includes/ExternalStore.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ *
+ * Constructor class for data kept in external repositories
+ *
+ * External repositories might be populated by maintenance/async
+ * scripts, thus partial moving of data may be possible, as well
+ * as possibility to have any storage format (i.e. for archives)
+ *
+ */
+
+class ExternalStore {
+	/* Fetch data from given URL */
+	function fetchFromURL($url) {
+		global $wgExternalStores;
+
+		if (!$wgExternalStores)
+			return false;
+
+		@list($proto,$path)=explode('://',$url,2);
+		/* Bad URL */
+		if ($path=="")
+			return false;
+
+		$store =& ExternalStore::getStoreObject( $proto );
+		if ( $store === false )
+			return false;
+		return $store->fetchFromURL($url);
+	}
+
+	/**
+	 * Get an external store object of the given type
+	 */
+	function &getStoreObject( $proto ) {
+		global $wgExternalStores;
+		if (!$wgExternalStores)
+			return false;
+		/* Protocol not enabled */
+		if (!in_array( $proto, $wgExternalStores ))
+			return false;
+
+		$class='ExternalStore'.ucfirst($proto);
+		/* Preloaded modules might exist, especially ones serving multiple protocols */
+		if (!class_exists($class)) {
+			if (!include_once($class.'.php'))
+				return false;
+		}
+		$store=new $class();
+		return $store;
+	}
+
+	/**
+	 * Store a data item to an external store, identified by a partial URL
+	 * The protocol part is used to identify the class, the rest is passed to the
+	 * class itself as a parameter.
+	 * Returns the URL of the stored data item, or false on error
+	 */
+	function insert( $url, $data ) {
+		list( $proto, $params ) = explode( '://', $url, 2 );
+		$store =& ExternalStore::getStoreObject( $proto );
+		if ( $store === false ) {
+			return false;
+		} else {
+			return $store->store( $params, $data );
+		}
+	}
+}
+?>
diff --git a/includes/ExternalStoreDB.php b/includes/ExternalStoreDB.php
new file mode 100644
index 00000000..f610df80
--- /dev/null
+++ b/includes/ExternalStoreDB.php
@@ -0,0 +1,150 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ *
+ * DB accessable external objects
+ *
+ */
+require_once( 'LoadBalancer.php' );
+
+
+/** @package MediaWiki */
+
+/**
+ * External database storage will use one (or more) separate connection pools
+ * from what the main wiki uses. If we load many revisions, such as when doing
+ * bulk backups or maintenance, we want to keep them around over the lifetime
+ * of the script.
+ *
+ * Associative array of LoadBalancer objects, indexed by cluster name.
+ */
+global $wgExternalLoadBalancers;
+$wgExternalLoadBalancers = array();
+
+/**
+ * One-step cache variable to hold base blobs; operations that
+ * pull multiple revisions may often pull multiple times from
+ * the same blob. By keeping the last-used one open, we avoid
+ * redundant unserialization and decompression overhead.
+ */
+global $wgExternalBlobCache;
+$wgExternalBlobCache = array();
+
+class ExternalStoreDB {
+
+	/** @todo Document.*/
+	function &getLoadBalancer( $cluster ) {
+		global $wgExternalServers, $wgExternalLoadBalancers;
+		if ( !array_key_exists( $cluster, $wgExternalLoadBalancers ) ) {
+			$wgExternalLoadBalancers[$cluster] = LoadBalancer::newFromParams( $wgExternalServers[$cluster] );
+		}
+		$wgExternalLoadBalancers[$cluster]->allowLagged(true);
+		return $wgExternalLoadBalancers[$cluster];
+	}
+
+	/** @todo Document.*/
+	function &getSlave( $cluster ) {
+		$lb =& $this->getLoadBalancer( $cluster );
+		return $lb->getConnection( DB_SLAVE );
+	}
+
+	/** @todo Document.*/
+	function &getMaster( $cluster ) {
+		$lb =& $this->getLoadBalancer( $cluster );
+		return $lb->getConnection( DB_MASTER );
+	}
+
+	/** @todo Document.*/
+	function getTable( &$db ) {
+		$table = $db->getLBInfo( 'blobs table' );
+		if ( is_null( $table ) ) {
+			$table = 'blobs';
+		}
+		return $table;
+	}
+
+	/**
+	 * Fetch data from given URL
+	 * @param string $url An url of the form DB://cluster/id or DB://cluster/id/itemid for concatened storage.
+	 */
+	function fetchFromURL($url) {
+		$path = explode( '/', $url );
+		$cluster  = $path[2];
+		$id	  = $path[3];
+		if ( isset( $path[4] ) ) {
+			$itemID = $path[4];
+		} else {
+			$itemID = false;
+		}
+
+		$ret =& $this->fetchBlob( $cluster, $id, $itemID );
+
+		if ( $itemID !== false && $ret !== false ) {
+			return $ret->getItem( $itemID );
+		}
+		return $ret;
+	}
+
+	/**
+	 * Fetch a blob item out of the database; a cache of the last-loaded
+	 * blob will be kept so that multiple loads out of a multi-item blob
+	 * can avoid redundant database access and decompression.
+	 * @param $cluster
+	 * @param $id
+	 * @param $itemID
+	 * @return mixed
+	 * @private
+	 */
+	function &fetchBlob( $cluster, $id, $itemID ) {
+		global $wgExternalBlobCache;
+		$cacheID = ( $itemID === false ) ? "$cluster/$id" : "$cluster/$id/";
+		if( isset( $wgExternalBlobCache[$cacheID] ) ) {
+			wfDebug( "ExternalStoreDB::fetchBlob cache hit on $cacheID\n" );
+			return $wgExternalBlobCache[$cacheID];
+		}
+
+		wfDebug( "ExternalStoreDB::fetchBlob cache miss on $cacheID\n" );
+
+		$dbr =& $this->getSlave( $cluster );
+		$ret = $dbr->selectField( $this->getTable( $dbr ), 'blob_text', array( 'blob_id' => $id ) );
+		if ( $ret === false ) {
+			wfDebugLog( 'ExternalStoreDB', "ExternalStoreDB::fetchBlob master fallback on $cacheID\n" );
+			// Try the master
+			$dbw =& $this->getMaster( $cluster );
+			$ret = $dbw->selectField( $this->getTable( $dbw ), 'blob_text', array( 'blob_id' => $id ) );
+			if( $ret === false) {
+				wfDebugLog( 'ExternalStoreDB', "ExternalStoreDB::fetchBlob master failed to find $cacheID\n" );
+			}
+		}
+		if( $itemID !== false && $ret !== false ) {
+			// Unserialise object; caller extracts item
+			$ret = unserialize( $ret );
+		}
+
+		$wgExternalBlobCache = array( $cacheID => &$ret );
+		return $ret;
+	}
+
+	/**
+	 * Insert a data item into a given cluster
+	 *
+	 * @param $cluster String: the cluster name
+	 * @param $data String: the data item
+	 * @return string URL
+	 */
+	function store( $cluster, $data ) {
+		$fname = 'ExternalStoreDB::store';
+
+		$dbw =& $this->getMaster( $cluster );
+
+		$id = $dbw->nextSequenceValue( 'blob_blob_id_seq' );
+		$dbw->insert( $this->getTable( $dbw ), array( 'blob_id' => $id, 'blob_text' => $data ), $fname );
+		$id = $dbw->insertId();
+		if ( $dbw->getFlag( DBO_TRX ) ) {
+			$dbw->immediateCommit();
+		}
+		return "DB://$cluster/$id";
+	}
+}
+?>
diff --git a/includes/ExternalStoreHttp.php b/includes/ExternalStoreHttp.php
new file mode 100644
index 00000000..daf62cc4
--- /dev/null
+++ b/includes/ExternalStoreHttp.php
@@ -0,0 +1,23 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ *
+ * Example class for HTTP accessable external objects
+ *
+ */
+
+class ExternalStoreHttp {
+	/* Fetch data from given URL */
+	function fetchFromURL($url) {
+	ini_set( "allow_url_fopen", true );
+	$ret = file_get_contents( $url );
+	ini_set( "allow_url_fopen", false );
+		return $ret;
+	}
+
+	/* XXX: may require other methods, for store, delete,
+	 * whatever, for initial ext storage
+	 */
+}
+?>
diff --git a/includes/FakeTitle.php b/includes/FakeTitle.php
new file mode 100644
index 00000000..ae05385a
--- /dev/null
+++ b/includes/FakeTitle.php
@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * Fake title class that triggers an error if any members are called
+ */
+class FakeTitle {
+	function error() { throw new MWException( "Attempt to call member function of FakeTitle\n" ); }
+
+	// PHP 5.1 method overload
+	function __call( $name, $args ) { $this->error(); }
+
+	// PHP <5.1 compatibility
+	function getInterwikiLink()  { $this->error(); }
+	function getInterwikiCached() { $this->error(); }
+	function isLocal() { $this->error(); }
+	function isTrans() { $this->error(); }
+	function touchArray( $titles, $timestamp = '' ) { $this->error(); }
+	function getText() { $this->error(); }
+	function getPartialURL() { $this->error(); }
+	function getDBkey() { $this->error(); }
+	function getNamespace() { $this->error(); }
+	function getNsText() { $this->error(); }
+	function getSubjectNsText() { $this->error(); }
+	function getInterwiki() { $this->error(); }
+	function getFragment() { $this->error(); }
+	function getDefaultNamespace() { $this->error(); }
+	function getIndexTitle() { $this->error(); }
+	function getPrefixedDBkey() { $this->error(); }
+	function getPrefixedText() { $this->error(); }
+	function getFullText() { $this->error(); }
+	function getPrefixedURL() { $this->error(); }
+	function getFullURL() {$this->error(); }
+	function getLocalURL() { $this->error(); }
+	function escapeLocalURL() { $this->error(); }
+	function escapeFullURL() { $this->error(); }
+	function getInternalURL() { $this->error(); }
+	function getEditURL() { $this->error(); }
+	function getEscapedText() { $this->error(); }
+	function isExternal() { $this->error(); }
+	function isSemiProtected() { $this->error(); }
+	function isProtected() { $this->error(); }
+	function userIsWatching() { $this->error(); }
+	function userCan() { $this->error(); }
+	function userCanEdit() { $this->error(); }
+	function userCanMove() { $this->error(); }
+	function isMovable() { $this->error(); }
+	function userCanRead() { $this->error(); }
+	function isTalkPage() { $this->error(); }
+	function isCssJsSubpage() { $this->error(); }
+	function isValidCssJsSubpage() { $this->error(); }
+	function getSkinFromCssJsSubpage() { $this->error(); }
+	function isCssSubpage() { $this->error(); }
+	function isJsSubpage() { $this->error(); }
+	function userCanEditCssJsSubpage() { $this->error(); }
+	function loadRestrictions( $res ) { $this->error(); }
+	function getRestrictions($action) { $this->error(); }
+	function isDeleted() { $this->error(); }
+	function getArticleID( $flags = 0 ) { $this->error(); }
+	function getLatestRevID() { $this->error(); }
+	function resetArticleID( $newid ) { $this->error(); }
+	function invalidateCache() { $this->error(); }
+	function getTalkPage() { $this->error(); }
+	function getSubjectPage() { $this->error(); }
+	function getLinksTo() { $this->error(); }
+	function getTemplateLinksTo() { $this->error(); }
+	function getBrokenLinksFrom() { $this->error(); }
+	function getSquidURLs() { $this->error(); }
+	function moveNoAuth() { $this->error(); }
+	function isValidMoveOperation() { $this->error(); }
+	function moveTo() { $this->error(); }
+	function moveOverExistingRedirect() { $this->error(); }
+	function moveToNewTitle() { $this->error(); }
+	function isValidMoveTarget() { $this->error(); }
+	function createRedirect() { $this->error(); }
+	function getParentCategories() { $this->error(); }
+	function getParentCategoryTree() { $this->error(); }
+	function pageCond() { $this->error(); }
+	function getPreviousRevisionID() { $this->error(); }
+	function getNextRevisionID() { $this->error(); }
+	function equals() { $this->error(); }
+	function exists() { $this->error(); }
+	function isAlwaysKnown() { $this->error(); }
+	function touchLinks() { $this->error(); }
+	function trackbackURL() { $this->error(); }
+	function trackbackRDF() { $this->error(); }
+}
+
+?>
diff --git a/includes/Feed.php b/includes/Feed.php
new file mode 100644
index 00000000..7663e820
--- /dev/null
+++ b/includes/Feed.php
@@ -0,0 +1,310 @@
+<?php
+# Basic support for outputting syndication feeds in RSS, other formats
+#
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Contain a feed class as well as classes to build rss / atom ... feeds
+ * Available feeds are defined in Defines.php
+ * @package MediaWiki
+ */
+
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class FeedItem {
+	/**#@+
+	 * @var string
+	 * @private
+	 */
+	var $Title = 'Wiki';
+	var $Description = '';
+	var $Url = '';
+	var $Date = '';
+	var $Author = '';
+	/**#@-*/
+
+	/**#@+
+	 * @todo document
+	 */
+	function FeedItem( $Title, $Description, $Url, $Date = '', $Author = '', $Comments = '' ) {
+		$this->Title = $Title;
+		$this->Description = $Description;
+		$this->Url = $Url;
+		$this->Date = $Date;
+		$this->Author = $Author;
+		$this->Comments = $Comments;
+	}
+
+	/**
+	 * @static
+	 */
+	function xmlEncode( $string ) {
+		$string = str_replace( "\r\n", "\n", $string );
+		$string = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', '', $string );
+		return htmlspecialchars( $string );
+	}
+
+	function getTitle() { return $this->xmlEncode( $this->Title ); }
+	function getUrl() { return $this->xmlEncode( $this->Url ); }
+	function getDescription() { return $this->xmlEncode( $this->Description ); }
+	function getLanguage() {
+		global $wgContLanguageCode;
+		return $wgContLanguageCode;
+	}
+	function getDate() { return $this->Date; }
+	function getAuthor() { return $this->xmlEncode( $this->Author ); }
+	function getComments() { return $this->xmlEncode( $this->Comments ); }
+	/**#@-*/
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class ChannelFeed extends FeedItem {
+	/**#@+
+	 * Abstract function, override!
+	 * @abstract
+	 */
+
+	/**
+	 * Generate Header of the feed
+	 */
+	function outHeader() {
+		# print "<feed>";
+	}
+
+	/**
+	 * Generate an item
+	 * @param $item
+	 */
+	function outItem( $item ) {
+		# print "<item>...</item>";
+	}
+
+	/**
+	 * Generate Footer of the feed
+	 */
+	function outFooter() {
+		# print "</feed>";
+	}
+	/**#@-*/
+
+	/**
+	 * Setup and send HTTP headers. Don't send any content;
+	 * content might end up being cached and re-sent with
+	 * these same headers later.
+	 *
+	 * This should be called from the outHeader() method,
+	 * but can also be called separately.
+	 *
+	 * @public
+	 */
+	function httpHeaders() {
+		global $wgOut;
+
+		# We take over from $wgOut, excepting its cache header info
+		$wgOut->disable();
+		$mimetype = $this->contentType();
+		header( "Content-type: $mimetype; charset=UTF-8" );
+		$wgOut->sendCacheControl();
+
+	}
+
+	/**
+	 * Return an internet media type to be sent in the headers.
+	 *
+	 * @return string
+	 * @private
+	 */
+	function contentType() {
+		global $wgRequest;
+		$ctype = $wgRequest->getVal('ctype','application/xml');
+		$allowedctypes = array('application/xml','text/xml','application/rss+xml','application/atom+xml');
+		return (in_array($ctype, $allowedctypes) ? $ctype : 'application/xml');
+	}
+
+	/**
+	 * Output the initial XML headers with a stylesheet for legibility
+	 * if someone finds it in a browser.
+	 * @private
+	 */
+	function outXmlHeader() {
+		global $wgServer, $wgStylePath;
+
+		$this->httpHeaders();
+		echo '<?xml version="1.0" encoding="utf-8"?>' . "\n";
+		echo '<?xml-stylesheet type="text/css" href="' .
+			htmlspecialchars( "$wgServer$wgStylePath/common/feed.css" ) . '"?' . ">\n";
+	}
+}
+
+/**
+ * Generate a RSS feed
+ * @todo document
+ * @package MediaWiki
+ */
+class RSSFeed extends ChannelFeed {
+
+	/**
+	 * Format a date given a timestamp
+	 * @param integer $ts Timestamp
+	 * @return string Date string
+	 */
+	function formatTime( $ts ) {
+		return gmdate( 'D, d M Y H:i:s \G\M\T', wfTimestamp( TS_UNIX, $ts ) );
+	}
+
+	/**
+	 * Ouput an RSS 2.0 header
+	 */
+	function outHeader() {
+		global $wgVersion;
+
+		$this->outXmlHeader();
+		?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/">
+	<channel>
+		<title><?php print $this->getTitle() ?></title>
+		<link><?php print $this->getUrl() ?></link>
+		<description><?php print $this->getDescription() ?></description>
+		<language><?php print $this->getLanguage() ?></language>
+		<generator>MediaWiki <?php print $wgVersion ?></generator>
+		<lastBuildDate><?php print $this->formatTime( wfTimestampNow() ) ?></lastBuildDate>
+<?php
+	}
+
+	/**
+	 * Output an RSS 2.0 item
+	 * @param FeedItem item to be output
+	 */
+	function outItem( $item ) {
+	?>
+		<item>
+			<title><?php print $item->getTitle() ?></title>
+			<link><?php print $item->getUrl() ?></link>
+			<description><?php print $item->getDescription() ?></description>
+			<?php if( $item->getDate() ) { ?><pubDate><?php print $this->formatTime( $item->getDate() ) ?></pubDate><?php } ?>
+			<?php if( $item->getAuthor() ) { ?><dc:creator><?php print $item->getAuthor() ?></dc:creator><?php }?>
+			<?php if( $item->getComments() ) { ?><comments><?php print $item->getComments() ?></comments><?php }?>
+		</item>
+<?php
+	}
+
+	/**
+	 * Ouput an RSS 2.0 footer
+	 */
+	function outFooter() {
+	?>
+	</channel>
+</rss><?php
+	}
+}
+
+/**
+ * Generate an Atom feed
+ * @todo document
+ * @package MediaWiki
+ */
+class AtomFeed extends ChannelFeed {
+	/**
+	 * @todo document
+	 */
+	function formatTime( $ts ) {
+		// need to use RFC 822 time format at least for rss2.0
+		return gmdate( 'Y-m-d\TH:i:s', wfTimestamp( TS_UNIX, $ts ) );
+	}
+
+	/**
+	 * Outputs a basic header for Atom 1.0 feeds.
+	 */
+	function outHeader() {
+		global $wgVersion;
+
+		$this->outXmlHeader();
+		?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="<?php print $this->getLanguage() ?>">
+		<id><?php print $this->getFeedId() ?></id>
+		<title><?php print $this->getTitle() ?></title>
+		<link rel="self" type="application/atom+xml" href="<?php print $this->getSelfUrl() ?>"/>
+		<link rel="alternate" type="text/html" href="<?php print $this->getUrl() ?>"/>
+		<updated><?php print $this->formatTime( wfTimestampNow() ) ?>Z</updated>
+		<subtitle><?php print $this->getDescription() ?></subtitle>
+		<generator>MediaWiki <?php print $wgVersion ?></generator>
+
+<?php
+	}
+
+	/**
+	 * Atom 1.0 requires a unique, opaque IRI as a unique indentifier
+	 * for every feed we create. For now just use the URL, but who
+	 * can tell if that's right? If we put options on the feed, do we
+	 * have to change the id? Maybe? Maybe not.
+	 *
+	 * @return string
+	 * @private
+	 */
+	function getFeedId() {
+		return $this->getSelfUrl();
+	}
+
+	/**
+	 * Atom 1.0 requests a self-reference to the feed.
+	 * @return string
+	 * @private
+	 */
+	function getSelfUrl() {
+		global $wgRequest;
+		return htmlspecialchars( $wgRequest->getFullRequestURL() );
+	}
+
+	/**
+	 * Output a given item.
+	 * @param $item
+	 */
+	function outItem( $item ) {
+		global $wgMimeType;
+	?>
+	<entry>
+		<id><?php print $item->getUrl() ?></id>
+		<title><?php print $item->getTitle() ?></title>
+		<link rel="alternate" type="<?php print $wgMimeType ?>" href="<?php print $item->getUrl() ?>"/>
+		<?php if( $item->getDate() ) { ?>
+		<updated><?php print $this->formatTime( $item->getDate() ) ?>Z</updated>
+		<?php } ?>
+
+		<summary type="html"><?php print $item->getDescription() ?></summary>
+		<?php if( $item->getAuthor() ) { ?><author><name><?php print $item->getAuthor() ?></name></author><?php }?>
+	</entry>
+
+<?php /* FIXME need to add comments
+	<?php if( $item->getComments() ) { ?><dc:comment><?php print $item->getComments() ?></dc:comment><?php }?>
+      */
+	}
+
+	/**
+	 * Outputs the footer for Atom 1.0 feed (basicly '\</feed\>').
+	 */
+	function outFooter() {?>
+	</feed><?php
+	}
+}
+
+?>
diff --git a/includes/FileStore.php b/includes/FileStore.php
new file mode 100644
index 00000000..85aaedfe
--- /dev/null
+++ b/includes/FileStore.php
@@ -0,0 +1,377 @@
+<?php
+
+class FileStore {
+	const DELETE_ORIGINAL = 1;
+	
+	/**
+	 * Fetch the FileStore object for a given storage group
+	 */
+	static function get( $group ) {
+		global $wgFileStore;
+		
+		if( isset( $wgFileStore[$group] ) ) {
+			$info = $wgFileStore[$group];
+			return new FileStore( $group,
+				$info['directory'],
+				$info['url'],
+				intval( $info['hash'] ) );
+		} else {
+			return null;
+		}
+	}
+	
+	private function __construct( $group, $directory, $path, $hash ) {
+		$this->mGroup = $group;
+		$this->mDirectory = $directory;
+		$this->mPath = $path;
+		$this->mHashLevel = $hash;
+	}
+	
+	/**
+	 * Acquire a lock; use when performing write operations on a store.
+	 * This is attached to your master database connection, so if you
+	 * suffer an uncaught error the lock will be released when the
+	 * connection is closed.
+	 *
+	 * @fixme Probably only works on MySQL. Abstract to the Database class?
+	 */
+	static function lock() {
+		$fname = __CLASS__ . '::' . __FUNCTION__;
+		
+		$dbw = wfGetDB( DB_MASTER );
+		$lockname = $dbw->addQuotes( FileStore::lockName() );
+		$result = $dbw->query( "SELECT GET_LOCK($lockname, 5) AS lockstatus", $fname );
+		$row = $dbw->fetchObject( $result );
+		$dbw->freeResult( $result );
+		
+		if( $row->lockstatus == 1 ) {
+			return true;
+		} else {
+			wfDebug( "$fname failed to acquire lock\n" );
+			return false;
+		}
+	}
+	
+	/**
+	 * Release the global file store lock.
+	 */
+	static function unlock() {
+		$fname = __CLASS__ . '::' . __FUNCTION__;
+		
+		$dbw = wfGetDB( DB_MASTER );
+		$lockname = $dbw->addQuotes( FileStore::lockName() );
+		$result = $dbw->query( "SELECT RELEASE_LOCK($lockname)", $fname );
+		$row = $dbw->fetchObject( $result );
+		$dbw->freeResult( $result );
+	}
+	
+	private static function lockName() {
+		global $wgDBname, $wgDBprefix;
+		return "MediaWiki.{$wgDBname}.{$wgDBprefix}FileStore";
+	}
+	
+	/**
+	 * Copy a file into the file store from elsewhere in the filesystem.
+	 * Should be protected by FileStore::lock() to avoid race conditions.
+	 *
+	 * @param $key storage key string
+	 * @param $flags
+	 *  DELETE_ORIGINAL - remove the source file on transaction commit.
+	 *
+	 * @throws FSException if copy can't be completed
+	 * @return FSTransaction
+	 */
+	function insert( $key, $sourcePath, $flags=0 ) {
+		$destPath = $this->filePath( $key );
+		return $this->copyFile( $sourcePath, $destPath, $flags );
+	}
+	
+	/**
+	 * Copy a file from the file store to elsewhere in the filesystem.
+	 * Should be protected by FileStore::lock() to avoid race conditions.
+	 *
+	 * @param $key storage key string
+	 * @param $flags
+	 *  DELETE_ORIGINAL - remove the source file on transaction commit.
+	 *
+	 * @throws FSException if copy can't be completed
+	 * @return FSTransaction on success
+	 */
+	function export( $key, $destPath, $flags=0 ) {
+		$sourcePath = $this->filePath( $key );
+		return $this->copyFile( $sourcePath, $destPath, $flags );
+	}
+	
+	private function copyFile( $sourcePath, $destPath, $flags=0 ) {
+		$fname = __CLASS__ . '::' . __FUNCTION__;
+		
+		if( !file_exists( $sourcePath ) ) {
+			// Abort! Abort!
+			throw new FSException( "missing source file '$sourcePath'\n" );
+		}
+		
+		$transaction = new FSTransaction();
+		
+		if( $flags & self::DELETE_ORIGINAL ) {
+			$transaction->addCommit( FSTransaction::DELETE_FILE, $sourcePath );
+		}
+		
+		if( file_exists( $destPath ) ) {
+			// An identical file is already present; no need to copy.
+		} else {
+			if( !file_exists( dirname( $destPath ) ) ) {
+				wfSuppressWarnings();
+				$ok = mkdir( dirname( $destPath ), 0777, true );
+				wfRestoreWarnings();
+				
+				if( !$ok ) {
+					throw new FSException(
+						"failed to create directory for '$destPath'\n" );
+				}
+			}
+			
+			wfSuppressWarnings();
+			$ok = copy( $sourcePath, $destPath );
+			wfRestoreWarnings();
+			
+			if( $ok ) {
+				wfDebug( "$fname copied '$sourcePath' to '$destPath'\n" );
+				$transaction->addRollback( FSTransaction::DELETE_FILE, $destPath );
+			} else {
+				throw new FSException(
+					"$fname failed to copy '$sourcePath' to '$destPath'\n" );
+			}
+		}
+		
+		return $transaction;
+	}
+	
+	/**
+	 * Delete a file from the file store.
+	 * Caller's responsibility to make sure it's not being used by another row.
+	 *
+	 * File is not actually removed until transaction commit.
+	 * Should be protected by FileStore::lock() to avoid race conditions.
+	 *
+	 * @param $key storage key string
+	 * @throws FSException if file can't be deleted
+	 * @return FSTransaction
+	 */
+	function delete( $key ) {
+		$destPath = $this->filePath( $key );
+		if( false === $destPath ) {
+			throw new FSExcepton( "file store does not contain file '$key'" );
+		} else {
+			return FileStore::deleteFile( $destPath );
+		}
+	}
+	
+	/**
+	 * Delete a non-managed file on a transactional basis.
+	 *
+	 * File is not actually removed until transaction commit.
+	 * Should be protected by FileStore::lock() to avoid race conditions.
+	 *
+	 * @param $path file to remove
+	 * @throws FSException if file can't be deleted
+	 * @return FSTransaction
+	 *
+	 * @fixme Might be worth preliminary permissions check
+	 */
+	static function deleteFile( $path ) {
+		if( file_exists( $path ) ) {
+			$transaction = new FSTransaction();
+			$transaction->addCommit( FSTransaction::DELETE_FILE, $path );
+			return $transaction;
+		} else {
+			throw new FSException( "cannot delete missing file '$path'" );
+		}
+	}
+	
+	/**
+	 * Stream a contained file directly to HTTP output.
+	 * Will throw a 404 if file is missing; 400 if invalid key.
+	 * @return true on success, false on failure
+	 */
+	function stream( $key ) {
+		$path = $this->filePath( $key );
+		if( $path === false ) {
+			wfHttpError( 400, "Bad request", "Invalid or badly-formed filename." );
+			return false;
+		}
+		
+		if( file_exists( $path ) ) {
+			// Set the filename for more convenient save behavior from browsers
+			// FIXME: Is this safe?
+			header( 'Content-Disposition: inline; filename="' . $key . '"' );
+			
+			require_once 'StreamFile.php';
+			wfStreamFile( $path );
+		} else {
+			return wfHttpError( 404, "Not found",
+				"The requested resource does not exist." );
+		}
+	}
+	
+	/**
+	 * Confirm that the given file key is valid.
+	 * Note that a valid key may refer to a file that does not exist.
+	 *
+	 * Key should consist of a 32-digit base-36 SHA-1 hash and
+	 * an optional alphanumeric extension, all lowercase.
+	 * The whole must not exceed 64 characters.
+	 *
+	 * @param $key
+	 * @return boolean
+	 */
+	static function validKey( $key ) {
+		return preg_match( '/^[0-9a-z]{32}(\.[0-9a-z]{1,31})?$/', $key );
+	}
+	
+	
+	/**
+	 * Calculate file storage key from a file on disk.
+	 * You must pass an extension to it, as some files may be calculated
+	 * out of a temporary file etc.
+	 *
+	 * @param $path to file
+	 * @param $extension
+	 * @return string or false if could not open file or bad extension
+	 */
+	static function calculateKey( $path, $extension ) {
+		$fname = __CLASS__ . '::' . __FUNCTION__;
+		
+		wfSuppressWarnings();
+		$hash = sha1_file( $path );
+		wfRestoreWarnings();
+		if( $hash === false ) {
+			wfDebug( "$fname: couldn't hash file '$path'\n" );
+			return false;
+		}
+		
+		$base36 = wfBaseConvert( $hash, 16, 36, 32 );
+		if( $extension == '' ) {
+			$key = $base36;
+		} else {
+			$key = $base36 . '.' . $extension;
+		}
+		
+		// Sanity check
+		if( self::validKey( $key ) ) {
+			return $key;
+		} else {
+			wfDebug( "$fname: generated bad key '$key'\n" );
+			return false;
+		}
+	}
+	
+	/**
+	 * Return filesystem path to the given file.
+	 * Note that the file may or may not exist.
+	 * @return string or false if an invalid key
+	 */
+	function filePath( $key ) {
+		if( self::validKey( $key ) ) {
+			return $this->mDirectory . DIRECTORY_SEPARATOR .
+				$this->hashPath( $key, DIRECTORY_SEPARATOR );
+		} else {
+			return false;
+		}
+	}
+	
+	/**
+	 * Return URL path to the given file, if the store is public.
+	 * @return string or false if not public
+	 */
+	function urlPath( $key ) {
+		if( $this->mUrl && self::validKey( $key ) ) {
+			return $this->mUrl . '/' . $this->hashPath( $key, '/' );
+		} else {
+			return false;
+		}
+	}
+	
+	private function hashPath( $key, $separator ) {
+		$parts = array();
+		for( $i = 0; $i < $this->mHashLevel; $i++ ) {
+			$parts[] = $key{$i};
+		}
+		$parts[] = $key;
+		return implode( $separator, $parts );
+	}
+}
+
+/**
+ * Wrapper for file store transaction stuff.
+ *
+ * FileStore methods may return one of these for undoable operations;
+ * you can then call its rollback() or commit() methods to perform
+ * final cleanup if dependent database work fails or succeeds.
+ */
+class FSTransaction {
+	const DELETE_FILE = 1;
+	
+	/**
+	 * Combine more items into a fancier transaction
+	 */
+	function add( FSTransaction $transaction ) {
+		$this->mOnCommit = array_merge(
+			$this->mOnCommit, $transaction->mOnCommit );
+		$this->mOnRollback = array_merge(
+			$this->mOnRollback, $transaction->mOnRollback );
+	}
+	
+	/**
+	 * Perform final actions for success.
+	 * @return true if actions applied ok, false if errors
+	 */
+	function commit() {
+		return $this->apply( $this->mOnCommit );
+	}
+	
+	/**
+	 * Perform final actions for failure.
+	 * @return true if actions applied ok, false if errors
+	 */
+	function rollback() {
+		return $this->apply( $this->mOnRollback );
+	}
+	
+	// --- Private and friend functions below...
+	
+	function __construct() {
+		$this->mOnCommit = array();
+		$this->mOnRollback = array();
+	}
+	
+	function addCommit( $action, $path ) {
+		$this->mOnCommit[] = array( $action, $path );
+	}
+	
+	function addRollback( $action, $path ) {
+		$this->mOnRollback[] = array( $action, $path );
+	}
+	
+	private function apply( $actions ) {
+		$fname = __CLASS__ . '::' . __FUNCTION__;
+		$result = true;
+		foreach( $actions as $item ) {
+			list( $action, $path ) = $item;
+			if( $action == self::DELETE_FILE ) {
+				wfSuppressWarnings();
+				$ok = unlink( $path );
+				wfRestoreWarnings();
+				if( $ok )
+					wfDebug( "$fname: deleting file '$path'\n" );
+				else
+					wfDebug( "$fname: failed to delete file '$path'\n" );
+				$result = $result && $ok;
+			}
+		}
+		return $result;
+	}
+}
+
+class FSException extends MWException { }
+
+?>
\ No newline at end of file
diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
new file mode 100644
index 00000000..e2033486
--- /dev/null
+++ b/includes/GlobalFunctions.php
@@ -0,0 +1,2005 @@
+<?php
+
+/**
+ * Global functions used everywhere
+ * @package MediaWiki
+ */
+
+/**
+ * Some globals and requires needed
+ */
+
+/**
+ * Total number of articles
+ * @global integer $wgNumberOfArticles
+ */
+$wgNumberOfArticles = -1; # Unset
+/**
+ * Total number of views
+ * @global integer $wgTotalViews
+ */
+$wgTotalViews = -1;
+/**
+ * Total number of edits
+ * @global integer $wgTotalEdits
+ */
+$wgTotalEdits = -1;
+
+
+require_once( 'DatabaseFunctions.php' );
+require_once( 'LogPage.php' );
+require_once( 'normal/UtfNormalUtil.php' );
+require_once( 'XmlFunctions.php' );
+
+/**
+ * Compatibility functions
+ * PHP <4.3.x is not actively supported; 4.1.x and 4.2.x might or might not work.
+ * <4.1.x will not work, as we use a number of features introduced in 4.1.0
+ * such as the new autoglobals.
+ */
+if( !function_exists('iconv') ) {
+	# iconv support is not in the default configuration and so may not be present.
+	# Assume will only ever use utf-8 and iso-8859-1.
+	# This will *not* work in all circumstances.
+	function iconv( $from, $to, $string ) {
+		if(strcasecmp( $from, $to ) == 0) return $string;
+		if(strcasecmp( $from, 'utf-8' ) == 0) return utf8_decode( $string );
+		if(strcasecmp( $to, 'utf-8' ) == 0) return utf8_encode( $string );
+		return $string;
+	}
+}
+
+if( !function_exists('file_get_contents') ) {
+	# Exists in PHP 4.3.0+
+	function file_get_contents( $filename ) {
+		return implode( '', file( $filename ) );
+	}
+}
+
+if( !function_exists('is_a') ) {
+	# Exists in PHP 4.2.0+
+	function is_a( $object, $class_name ) {
+		return
+			(strcasecmp( get_class( $object ), $class_name ) == 0) ||
+			 is_subclass_of( $object, $class_name );
+	}
+}
+
+# UTF-8 substr function based on a PHP manual comment
+if ( !function_exists( 'mb_substr' ) ) {
+	function mb_substr( $str, $start ) {
+		preg_match_all( '/./us', $str, $ar );
+
+		if( func_num_args() >= 3 ) {
+			$end = func_get_arg( 2 );
+			return join( '', array_slice( $ar[0], $start, $end ) );
+		} else {
+			return join( '', array_slice( $ar[0], $start ) );
+		}
+	}
+}
+
+if( !function_exists( 'floatval' ) ) {
+	/**
+	 * First defined in PHP 4.2.0
+	 * @param mixed $var;
+	 * @return float
+	 */
+	function floatval( $var ) {
+		return (float)$var;
+	}
+}
+
+if ( !function_exists( 'array_diff_key' ) ) {
+	/**
+	 * Exists in PHP 5.1.0+
+	 * Not quite compatible, two-argument version only
+	 * Null values will cause problems due to this use of isset()
+	 */
+	function array_diff_key( $left, $right ) {
+		$result = $left;
+		foreach ( $left as $key => $value ) {
+			if ( isset( $right[$key] ) ) {
+				unset( $result[$key] );
+			}
+		}
+		return $result;
+	}
+}
+
+
+/**
+ * Wrapper for clone() for PHP 4, for the moment.
+ * PHP 5 won't let you declare a 'clone' function, even conditionally,
+ * so it has to be a wrapper with a different name.
+ */
+function wfClone( $object ) {
+	// WARNING: clone() is not a function in PHP 5, so function_exists fails.
+	if( version_compare( PHP_VERSION, '5.0' ) < 0 ) {
+		return $object;
+	} else {
+		return clone( $object );
+	}
+}
+
+/**
+ * Where as we got a random seed
+ * @var bool $wgTotalViews
+ */
+$wgRandomSeeded = false;
+
+/**
+ * Seed Mersenne Twister
+ * Only necessary in PHP < 4.2.0
+ *
+ * @return bool
+ */
+function wfSeedRandom() {
+	global $wgRandomSeeded;
+
+	if ( ! $wgRandomSeeded && version_compare( phpversion(), '4.2.0' ) < 0 ) {
+		$seed = hexdec(substr(md5(microtime()),-8)) & 0x7fffffff;
+		mt_srand( $seed );
+		$wgRandomSeeded = true;
+	}
+}
+
+/**
+ * Get a random decimal value between 0 and 1, in a way
+ * not likely to give duplicate values for any realistic
+ * number of articles.
+ *
+ * @return string
+ */
+function wfRandom() {
+	# The maximum random value is "only" 2^31-1, so get two random
+	# values to reduce the chance of dupes
+	$max = mt_getrandmax();
+	$rand = number_format( (mt_rand() * $max + mt_rand())
+		/ $max / $max, 12, '.', '' );
+	return $rand;
+}
+
+/**
+ * We want / and : to be included as literal characters in our title URLs.
+ * %2F in the page titles seems to fatally break for some reason.
+ *
+ * @param $s String:
+ * @return string
+*/
+function wfUrlencode ( $s ) {
+	$s = urlencode( $s );
+	$s = preg_replace( '/%3[Aa]/', ':', $s );
+	$s = preg_replace( '/%2[Ff]/', '/', $s );
+
+	return $s;
+}
+
+/**
+ * Sends a line to the debug log if enabled or, optionally, to a comment in output.
+ * In normal operation this is a NOP.
+ *
+ * Controlling globals:
+ * $wgDebugLogFile - points to the log file
+ * $wgProfileOnly - if set, normal debug messages will not be recorded.
+ * $wgDebugRawPage - if false, 'action=raw' hits will not result in debug output.
+ * $wgDebugComments - if on, some debug items may appear in comments in the HTML output.
+ *
+ * @param $text String
+ * @param $logonly Bool: set true to avoid appearing in HTML when $wgDebugComments is set
+ */
+function wfDebug( $text, $logonly = false ) {
+	global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
+
+	# Check for raw action using $_GET not $wgRequest, since the latter might not be initialised yet
+	if ( isset( $_GET['action'] ) && $_GET['action'] == 'raw' && !$wgDebugRawPage ) {
+		return;
+	}
+
+	if ( isset( $wgOut ) && $wgDebugComments && !$logonly ) {
+		$wgOut->debug( $text );
+	}
+	if ( '' != $wgDebugLogFile && !$wgProfileOnly ) {
+		# Strip unprintables; they can switch terminal modes when binary data
+		# gets dumped, which is pretty annoying.
+		$text = preg_replace( '![\x00-\x08\x0b\x0c\x0e-\x1f]!', ' ', $text );
+		@error_log( $text, 3, $wgDebugLogFile );
+	}
+}
+
+/**
+ * Send a line to a supplementary debug log file, if configured, or main debug log if not.
+ * $wgDebugLogGroups[$logGroup] should be set to a filename to send to a separate log.
+ *
+ * @param $logGroup String
+ * @param $text String
+ * @param $public Bool: whether to log the event in the public log if no private
+ *                     log file is specified, (default true)
+ */
+function wfDebugLog( $logGroup, $text, $public = true ) {
+	global $wgDebugLogGroups, $wgDBname;
+	if( $text{strlen( $text ) - 1} != "\n" ) $text .= "\n";
+	if( isset( $wgDebugLogGroups[$logGroup] ) ) {
+		$time = wfTimestamp( TS_DB );
+		@error_log( "$time $wgDBname: $text", 3, $wgDebugLogGroups[$logGroup] );
+	} else if ( $public === true ) {
+		wfDebug( $text, true );
+	}
+}
+
+/**
+ * Log for database errors
+ * @param $text String: database error message.
+ */
+function wfLogDBError( $text ) {
+	global $wgDBerrorLog;
+	if ( $wgDBerrorLog ) {
+		$host = trim(`hostname`);
+		$text = date('D M j G:i:s T Y') . "\t$host\t".$text;
+		error_log( $text, 3, $wgDBerrorLog );
+	}
+}
+
+/**
+ * @todo document
+ */
+function logProfilingData() {
+	global $wgRequestTime, $wgDebugLogFile, $wgDebugRawPage, $wgRequest;
+	global $wgProfiling, $wgUser;
+	$now = wfTime();
+
+	$elapsed = $now - $wgRequestTime;
+	if ( $wgProfiling ) {
+		$prof = wfGetProfilingOutput( $wgRequestTime, $elapsed );
+		$forward = '';
+		if( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) )
+			$forward = ' forwarded for ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
+		if( !empty( $_SERVER['HTTP_CLIENT_IP'] ) )
+			$forward .= ' client IP ' . $_SERVER['HTTP_CLIENT_IP'];
+		if( !empty( $_SERVER['HTTP_FROM'] ) )
+			$forward .= ' from ' . $_SERVER['HTTP_FROM'];
+		if( $forward )
+			$forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
+		if( is_object($wgUser) && $wgUser->isAnon() )
+			$forward .= ' anon';
+		$log = sprintf( "%s\t%04.3f\t%s\n",
+		  gmdate( 'YmdHis' ), $elapsed,
+		  urldecode( $_SERVER['REQUEST_URI'] . $forward ) );
+		if ( '' != $wgDebugLogFile && ( $wgRequest->getVal('action') != 'raw' || $wgDebugRawPage ) ) {
+			error_log( $log . $prof, 3, $wgDebugLogFile );
+		}
+	}
+}
+
+/**
+ * Check if the wiki read-only lock file is present. This can be used to lock
+ * off editing functions, but doesn't guarantee that the database will not be
+ * modified.
+ * @return bool
+ */
+function wfReadOnly() {
+	global $wgReadOnlyFile, $wgReadOnly;
+
+	if ( !is_null( $wgReadOnly ) ) {
+		return (bool)$wgReadOnly;
+	}
+	if ( '' == $wgReadOnlyFile ) {
+		return false;
+	}
+	// Set $wgReadOnly for faster access next time
+	if ( is_file( $wgReadOnlyFile ) ) {
+		$wgReadOnly = file_get_contents( $wgReadOnlyFile );
+	} else {
+		$wgReadOnly = false;
+	}
+	return (bool)$wgReadOnly;
+}
+
+
+/**
+ * Get a message from anywhere, for the current user language.
+ *
+ * Use wfMsgForContent() instead if the message should NOT
+ * change depending on the user preferences.
+ *
+ * Note that the message may contain HTML, and is therefore
+ * not safe for insertion anywhere. Some functions such as
+ * addWikiText will do the escaping for you. Use wfMsgHtml()
+ * if you need an escaped message.
+ *
+ * @param $key String: lookup key for the message, usually
+ *    defined in languages/Language.php
+ */
+function wfMsg( $key ) {
+	$args = func_get_args();
+	array_shift( $args );
+	return wfMsgReal( $key, $args, true );
+}
+
+/**
+ * Same as above except doesn't transform the message
+ */
+function wfMsgNoTrans( $key ) {
+	$args = func_get_args();
+	array_shift( $args );
+	return wfMsgReal( $key, $args, true, false );
+}
+
+/**
+ * Get a message from anywhere, for the current global language
+ * set with $wgLanguageCode.
+ *
+ * Use this if the message should NOT change  dependent on the
+ * language set in the user's preferences. This is the case for
+ * most text written into logs, as well as link targets (such as
+ * the name of the copyright policy page). Link titles, on the
+ * other hand, should be shown in the UI language.
+ *
+ * Note that MediaWiki allows users to change the user interface
+ * language in their preferences, but a single installation
+ * typically only contains content in one language.
+ *
+ * Be wary of this distinction: If you use wfMsg() where you should
+ * use wfMsgForContent(), a user of the software may have to
+ * customize over 70 messages in order to, e.g., fix a link in every
+ * possible language.
+ *
+ * @param $key String: lookup key for the message, usually
+ *    defined in languages/Language.php
+ */
+function wfMsgForContent( $key ) {
+	global $wgForceUIMsgAsContentMsg;
+	$args = func_get_args();
+	array_shift( $args );
+	$forcontent = true;
+	if( is_array( $wgForceUIMsgAsContentMsg ) &&
+		in_array( $key, $wgForceUIMsgAsContentMsg ) )
+		$forcontent = false;
+	return wfMsgReal( $key, $args, true, $forcontent );
+}
+
+/**
+ * Same as above except doesn't transform the message
+ */
+function wfMsgForContentNoTrans( $key ) {
+	global $wgForceUIMsgAsContentMsg;
+	$args = func_get_args();
+	array_shift( $args );
+	$forcontent = true;
+	if( is_array( $wgForceUIMsgAsContentMsg ) &&
+		in_array( $key, $wgForceUIMsgAsContentMsg ) )
+		$forcontent = false;
+	return wfMsgReal( $key, $args, true, $forcontent, false );
+}
+
+/**
+ * Get a message from the language file, for the UI elements
+ */
+function wfMsgNoDB( $key ) {
+	$args = func_get_args();
+	array_shift( $args );
+	return wfMsgReal( $key, $args, false );
+}
+
+/**
+ * Get a message from the language file, for the content
+ */
+function wfMsgNoDBForContent( $key ) {
+	global $wgForceUIMsgAsContentMsg;
+	$args = func_get_args();
+	array_shift( $args );
+	$forcontent = true;
+	if( is_array( $wgForceUIMsgAsContentMsg ) &&
+		in_array( $key,	$wgForceUIMsgAsContentMsg ) )
+		$forcontent = false;
+	return wfMsgReal( $key, $args, false, $forcontent );
+}
+
+
+/**
+ * Really get a message
+ * @return $key String: key to get.
+ * @return $args
+ * @return $useDB Boolean
+ * @return String: the requested message.
+ */
+function wfMsgReal( $key, $args, $useDB = true, $forContent=false, $transform = true ) {
+	$fname = 'wfMsgReal';
+
+	$message = wfMsgGetKey( $key, $useDB, $forContent, $transform );
+	$message = wfMsgReplaceArgs( $message, $args );
+	return $message;
+}
+
+/**
+ * This function provides the message source for messages to be edited which are *not* stored in the database.
+ * @param $key String:
+ */
+function wfMsgWeirdKey ( $key ) {
+	$subsource = str_replace ( ' ' , '_' , $key ) ;
+	$source = wfMsgForContentNoTrans( $subsource ) ;
+	if ( $source == "&lt;{$subsource}&gt;" ) {
+		# Try again with first char lower case
+		$subsource = strtolower ( substr ( $subsource , 0 , 1 ) ) . substr ( $subsource , 1 ) ;
+		$source = wfMsgForContentNoTrans( $subsource ) ;
+	}
+	if ( $source == "&lt;{$subsource}&gt;" ) {
+		# Didn't work either, return blank text
+		$source = "" ;
+	}
+	return $source ;
+}
+
+/**
+ * Fetch a message string value, but don't replace any keys yet.
+ * @param string $key
+ * @param bool $useDB
+ * @param bool $forContent
+ * @return string
+ * @private
+ */
+function wfMsgGetKey( $key, $useDB, $forContent = false, $transform = true ) {
+	global $wgParser, $wgMsgParserOptions, $wgContLang, $wgMessageCache, $wgLang;
+
+	if ( is_object( $wgMessageCache ) )
+		$transstat = $wgMessageCache->getTransform();
+
+	if( is_object( $wgMessageCache ) ) {
+		if ( ! $transform )
+			$wgMessageCache->disableTransform();
+		$message = $wgMessageCache->get( $key, $useDB, $forContent );
+	} else {
+		if( $forContent ) {
+			$lang = &$wgContLang;
+		} else {
+			$lang = &$wgLang;
+		}
+
+		wfSuppressWarnings();
+
+		if( is_object( $lang ) ) {
+			$message = $lang->getMessage( $key );
+		} else {
+			$message = false;
+		}
+		wfRestoreWarnings();
+		if($message === false)
+			$message = Language::getMessage($key);
+		if ( $transform && strstr( $message, '{{' ) !== false ) {
+			$message = $wgParser->transformMsg($message, $wgMsgParserOptions);
+		}
+	}
+
+	if ( is_object( $wgMessageCache ) && ! $transform )
+		$wgMessageCache->setTransform( $transstat );
+
+	return $message;
+}
+
+/**
+ * Replace message parameter keys on the given formatted output.
+ *
+ * @param string $message
+ * @param array $args
+ * @return string
+ * @private
+ */
+function wfMsgReplaceArgs( $message, $args ) {
+	# Fix windows line-endings
+	# Some messages are split with explode("\n", $msg)
+	$message = str_replace( "\r", '', $message );
+
+	// Replace arguments
+	if ( count( $args ) ) {
+		if ( is_array( $args[0] ) ) {
+			foreach ( $args[0] as $key => $val ) {
+				$message = str_replace( '$' . $key, $val, $message );
+			}
+		} else {
+			foreach( $args as $n => $param ) {
+				$replacementKeys['$' . ($n + 1)] = $param;
+			}
+			$message = strtr( $message, $replacementKeys );
+		}
+	}
+
+	return $message;
+}
+
+/**
+ * Return an HTML-escaped version of a message.
+ * Parameter replacements, if any, are done *after* the HTML-escaping,
+ * so parameters may contain HTML (eg links or form controls). Be sure
+ * to pre-escape them if you really do want plaintext, or just wrap
+ * the whole thing in htmlspecialchars().
+ *
+ * @param string $key
+ * @param string ... parameters
+ * @return string
+ */
+function wfMsgHtml( $key ) {
+	$args = func_get_args();
+	array_shift( $args );
+	return wfMsgReplaceArgs( htmlspecialchars( wfMsgGetKey( $key, true ) ), $args );
+}
+
+/**
+ * Return an HTML version of message
+ * Parameter replacements, if any, are done *after* parsing the wiki-text message,
+ * so parameters may contain HTML (eg links or form controls). Be sure
+ * to pre-escape them if you really do want plaintext, or just wrap
+ * the whole thing in htmlspecialchars().
+ *
+ * @param string $key
+ * @param string ... parameters
+ * @return string
+ */
+function wfMsgWikiHtml( $key ) {
+	global $wgOut;
+	$args = func_get_args();
+	array_shift( $args );
+	return wfMsgReplaceArgs( $wgOut->parse( wfMsgGetKey( $key, true ), /* can't be set to false */ true ), $args );
+}
+
+/**
+ * Returns message in the requested format
+ * @param string $key Key of the message
+ * @param array $options Processing rules:
+ *  <i>parse<i>: parses wikitext to html
+ *  <i>parseinline<i>: parses wikitext to html and removes the surrounding p's added by parser or tidy
+ *  <i>escape<i>: filters message trough htmlspecialchars
+ *  <i>replaceafter<i>: parameters are substituted after parsing or escaping
+ */
+function wfMsgExt( $key, $options ) {
+	global $wgOut, $wgMsgParserOptions, $wgParser;
+
+	$args = func_get_args();
+	array_shift( $args );
+	array_shift( $args );
+
+	if( !is_array($options) ) {
+		$options = array($options);
+	}
+
+	$string = wfMsgGetKey( $key, true, false, false );
+
+	if( !in_array('replaceafter', $options) ) {
+		$string = wfMsgReplaceArgs( $string, $args );
+	}
+
+	if( in_array('parse', $options) ) {
+		$string = $wgOut->parse( $string, true, true );
+	} elseif ( in_array('parseinline', $options) ) {
+		$string = $wgOut->parse( $string, true, true );
+		$m = array();
+		if( preg_match( "~^<p>(.*)\n?</p>$~", $string, $m ) ) {
+			$string = $m[1];
+		}
+	} elseif ( in_array('parsemag', $options) ) {
+		global $wgTitle;
+		$parser = new Parser();
+		$parserOptions = new ParserOptions();
+		$parserOptions->setInterfaceMessage( true );
+		$parser->startExternalParse( $wgTitle, $parserOptions, OT_MSG );
+		$string = $parser->transformMsg( $string, $parserOptions );
+	}
+
+	if ( in_array('escape', $options) ) {
+		$string = htmlspecialchars ( $string );
+	}
+
+	if( in_array('replaceafter', $options) ) {
+		$string = wfMsgReplaceArgs( $string, $args );
+	}
+
+	return $string;
+}
+
+
+/**
+ * Just like exit() but makes a note of it.
+ * Commits open transactions except if the error parameter is set
+ *
+ * @obsolete Please return control to the caller or throw an exception
+ */
+function wfAbruptExit( $error = false ){
+	global $wgLoadBalancer;
+	static $called = false;
+	if ( $called ){
+		exit( -1 );
+	}
+	$called = true;
+
+	if( function_exists( 'debug_backtrace' ) ){ // PHP >= 4.3
+		$bt = debug_backtrace();
+		for($i = 0; $i < count($bt) ; $i++){
+			$file = isset($bt[$i]['file']) ? $bt[$i]['file'] : "unknown";
+			$line = isset($bt[$i]['line']) ? $bt[$i]['line'] : "unknown";
+			wfDebug("WARNING: Abrupt exit in $file at line $line\n");
+		}
+	} else {
+		wfDebug('WARNING: Abrupt exit\n');
+	}
+
+	wfProfileClose();
+	logProfilingData();
+
+	if ( !$error ) {
+		$wgLoadBalancer->closeAll();
+	}
+	exit( -1 );
+}
+
+/**
+ * @obsolete Please return control the caller or throw an exception
+ */
+function wfErrorExit() {
+	wfAbruptExit( true );
+}
+
+/**
+ * Print a simple message and die, returning nonzero to the shell if any.
+ * Plain die() fails to return nonzero to the shell if you pass a string.
+ * @param string $msg
+ */
+function wfDie( $msg='' ) {
+	echo $msg;
+	die( 1 );
+}
+
+/**
+ * Throw a debugging exception. This function previously once exited the process, 
+ * but now throws an exception instead, with similar results.
+ *
+ * @param string $msg Message shown when dieing.
+ */
+function wfDebugDieBacktrace( $msg = '' ) {
+	throw new MWException( $msg );
+}
+
+/**
+ * Fetch server name for use in error reporting etc.
+ * Use real server name if available, so we know which machine
+ * in a server farm generated the current page.
+ * @return string
+ */
+function wfHostname() {
+	if ( function_exists( 'posix_uname' ) ) {
+		// This function not present on Windows
+		$uname = @posix_uname();
+	} else {
+		$uname = false;
+	}
+	if( is_array( $uname ) && isset( $uname['nodename'] ) ) {
+		return $uname['nodename'];
+	} else {
+		# This may be a virtual server.
+		return $_SERVER['SERVER_NAME'];
+	}
+}
+
+	/**
+	 * Returns a HTML comment with the elapsed time since request.
+	 * This method has no side effects.
+	 * @return string
+	 */
+	function wfReportTime() {
+		global $wgRequestTime;
+
+		$now = wfTime();
+		$elapsed = $now - $wgRequestTime;
+
+		$com = sprintf( "<!-- Served by %s in %01.3f secs. -->",
+		  wfHostname(), $elapsed );
+		return $com;
+	}
+
+function wfBacktrace() {
+	global $wgCommandLineMode;
+	if ( !function_exists( 'debug_backtrace' ) ) {
+		return false;
+	}
+
+	if ( $wgCommandLineMode ) {
+		$msg = '';
+	} else {
+		$msg = "<ul>\n";
+	}
+	$backtrace = debug_backtrace();
+	foreach( $backtrace as $call ) {
+		if( isset( $call['file'] ) ) {
+			$f = explode( DIRECTORY_SEPARATOR, $call['file'] );
+			$file = $f[count($f)-1];
+		} else {
+			$file = '-';
+		}
+		if( isset( $call['line'] ) ) {
+			$line = $call['line'];
+		} else {
+			$line = '-';
+		}
+		if ( $wgCommandLineMode ) {
+			$msg .= "$file line $line calls ";
+		} else {
+			$msg .= '<li>' . $file . ' line ' . $line . ' calls ';
+		}
+		if( !empty( $call['class'] ) ) $msg .= $call['class'] . '::';
+		$msg .= $call['function'] . '()';
+
+		if ( $wgCommandLineMode ) {
+			$msg .= "\n";
+		} else {
+			$msg .= "</li>\n";
+		}
+	}
+	if ( $wgCommandLineMode ) {
+		$msg .= "\n";
+	} else {
+		$msg .= "</ul>\n";
+	}
+
+	return $msg;
+}
+
+
+/* Some generic result counters, pulled out of SearchEngine */
+
+
+/**
+ * @todo document
+ */
+function wfShowingResults( $offset, $limit ) {
+	global $wgLang;
+	return wfMsg( 'showingresults', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ) );
+}
+
+/**
+ * @todo document
+ */
+function wfShowingResultsNum( $offset, $limit, $num ) {
+	global $wgLang;
+	return wfMsg( 'showingresultsnum', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ), $wgLang->formatNum( $num ) );
+}
+
+/**
+ * @todo document
+ */
+function wfViewPrevNext( $offset, $limit, $link, $query = '', $atend = false ) {
+	global $wgLang;
+	$fmtLimit = $wgLang->formatNum( $limit );
+	$prev = wfMsg( 'prevn', $fmtLimit );
+	$next = wfMsg( 'nextn', $fmtLimit );
+
+	if( is_object( $link ) ) {
+		$title =& $link;
+	} else {
+		$title = Title::newFromText( $link );
+		if( is_null( $title ) ) {
+			return false;
+		}
+	}
+
+	if ( 0 != $offset ) {
+		$po = $offset - $limit;
+		if ( $po < 0 ) { $po = 0; }
+		$q = "limit={$limit}&offset={$po}";
+		if ( '' != $query ) { $q .= '&'.$query; }
+		$plink = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$prev}</a>";
+	} else { $plink = $prev; }
+
+	$no = $offset + $limit;
+	$q = 'limit='.$limit.'&offset='.$no;
+	if ( '' != $query ) { $q .= '&'.$query; }
+
+	if ( $atend ) {
+		$nlink = $next;
+	} else {
+		$nlink = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$next}</a>";
+	}
+	$nums = wfNumLink( $offset, 20, $title, $query ) . ' | ' .
+	  wfNumLink( $offset, 50, $title, $query ) . ' | ' .
+	  wfNumLink( $offset, 100, $title, $query ) . ' | ' .
+	  wfNumLink( $offset, 250, $title, $query ) . ' | ' .
+	  wfNumLink( $offset, 500, $title, $query );
+
+	return wfMsg( 'viewprevnext', $plink, $nlink, $nums );
+}
+
+/**
+ * @todo document
+ */
+function wfNumLink( $offset, $limit, &$title, $query = '' ) {
+	global $wgLang;
+	if ( '' == $query ) { $q = ''; }
+	else { $q = $query.'&'; }
+	$q .= 'limit='.$limit.'&offset='.$offset;
+
+	$fmtLimit = $wgLang->formatNum( $limit );
+	$s = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$fmtLimit}</a>";
+	return $s;
+}
+
+/**
+ * @todo document
+ * @todo FIXME: we may want to blacklist some broken browsers
+ *
+ * @return bool Whereas client accept gzip compression
+ */
+function wfClientAcceptsGzip() {
+	global $wgUseGzip;
+	if( $wgUseGzip ) {
+		# FIXME: we may want to blacklist some broken browsers
+		if( preg_match(
+			'/\bgzip(?:;(q)=([0-9]+(?:\.[0-9]+)))?\b/',
+			$_SERVER['HTTP_ACCEPT_ENCODING'],
+			$m ) ) {
+			if( isset( $m[2] ) && ( $m[1] == 'q' ) && ( $m[2] == 0 ) ) return false;
+			wfDebug( " accepts gzip\n" );
+			return true;
+		}
+	}
+	return false;
+}
+
+/**
+ * Obtain the offset and limit values from the request string;
+ * used in special pages
+ *
+ * @param $deflimit Default limit if none supplied
+ * @param $optionname Name of a user preference to check against
+ * @return array
+ * 
+ */
+function wfCheckLimits( $deflimit = 50, $optionname = 'rclimit' ) {
+	global $wgRequest;
+	return $wgRequest->getLimitOffset( $deflimit, $optionname );
+}
+
+/**
+ * Escapes the given text so that it may be output using addWikiText()
+ * without any linking, formatting, etc. making its way through. This
+ * is achieved by substituting certain characters with HTML entities.
+ * As required by the callers, <nowiki> is not used. It currently does
+ * not filter out characters which have special meaning only at the
+ * start of a line, such as "*".
+ *
+ * @param string $text Text to be escaped
+ */
+function wfEscapeWikiText( $text ) {
+	$text = str_replace(
+		array( '[',		'|',	  '\'',	   'ISBN '	  , '://'	  , "\n=", '{{' ),
+		array( '&#91;', '&#124;', '&#39;', 'ISBN&#32;', '&#58;//' , "\n&#61;", '&#123;&#123;' ),
+		htmlspecialchars($text) );
+	return $text;
+}
+
+/**
+ * @todo document
+ */
+function wfQuotedPrintable( $string, $charset = '' ) {
+	# Probably incomplete; see RFC 2045
+	if( empty( $charset ) ) {
+		global $wgInputEncoding;
+		$charset = $wgInputEncoding;
+	}
+	$charset = strtoupper( $charset );
+	$charset = str_replace( 'ISO-8859', 'ISO8859', $charset ); // ?
+
+	$illegal = '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff=';
+	$replace = $illegal . '\t ?_';
+	if( !preg_match( "/[$illegal]/", $string ) ) return $string;
+	$out = "=?$charset?Q?";
+	$out .= preg_replace( "/([$replace])/e", 'sprintf("=%02X",ord("$1"))', $string );
+	$out .= '?=';
+	return $out;
+}
+
+
+/**
+ * @todo document
+ * @return float
+ */
+function wfTime() {
+	return microtime(true);
+}
+
+/**
+ * Sets dest to source and returns the original value of dest
+ * If source is NULL, it just returns the value, it doesn't set the variable
+ */
+function wfSetVar( &$dest, $source ) {
+	$temp = $dest;
+	if ( !is_null( $source ) ) {
+		$dest = $source;
+	}
+	return $temp;
+}
+
+/**
+ * As for wfSetVar except setting a bit
+ */
+function wfSetBit( &$dest, $bit, $state = true ) {
+	$temp = (bool)($dest & $bit );
+	if ( !is_null( $state ) ) {
+		if ( $state ) {
+			$dest |= $bit;
+		} else {
+			$dest &= ~$bit;
+		}
+	}
+	return $temp;
+}
+
+/**
+ * This function takes two arrays as input, and returns a CGI-style string, e.g.
+ * "days=7&limit=100". Options in the first array override options in the second.
+ * Options set to "" will not be output.
+ */
+function wfArrayToCGI( $array1, $array2 = NULL )
+{
+	if ( !is_null( $array2 ) ) {
+		$array1 = $array1 + $array2;
+	}
+
+	$cgi = '';
+	foreach ( $array1 as $key => $value ) {
+		if ( '' !== $value ) {
+			if ( '' != $cgi ) {
+				$cgi .= '&';
+			}
+			$cgi .= urlencode( $key ) . '=' . urlencode( $value );
+		}
+	}
+	return $cgi;
+}
+
+/**
+ * This is obsolete, use SquidUpdate::purge()
+ * @deprecated
+ */
+function wfPurgeSquidServers ($urlArr) {
+	SquidUpdate::purge( $urlArr );
+}
+
+/**
+ * Windows-compatible version of escapeshellarg()
+ * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
+ * function puts single quotes in regardless of OS
+ */
+function wfEscapeShellArg( ) {
+	$args = func_get_args();
+	$first = true;
+	$retVal = '';
+	foreach ( $args as $arg ) {
+		if ( !$first ) {
+			$retVal .= ' ';
+		} else {
+			$first = false;
+		}
+
+		if ( wfIsWindows() ) {
+			// Escaping for an MSVC-style command line parser
+			// Ref: http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
+			// Double the backslashes before any double quotes. Escape the double quotes.
+			$tokens = preg_split( '/(\\\\*")/', $arg, -1, PREG_SPLIT_DELIM_CAPTURE );
+			$arg = '';
+			$delim = false;
+			foreach ( $tokens as $token ) {
+				if ( $delim ) {
+					$arg .= str_replace( '\\', '\\\\', substr( $token, 0, -1 ) ) . '\\"';
+				} else {
+					$arg .= $token;
+				}
+				$delim = !$delim;
+			}
+			// Double the backslashes before the end of the string, because
+			// we will soon add a quote
+			if ( preg_match( '/^(.*?)(\\\\+)$/', $arg, $m ) ) {
+				$arg = $m[1] . str_replace( '\\', '\\\\', $m[2] );
+			}
+
+			// Add surrounding quotes
+			$retVal .= '"' . $arg . '"';
+		} else {
+			$retVal .= escapeshellarg( $arg );
+		}
+	}
+	return $retVal;
+}
+
+/**
+ * wfMerge attempts to merge differences between three texts.
+ * Returns true for a clean merge and false for failure or a conflict.
+ */
+function wfMerge( $old, $mine, $yours, &$result ){
+	global $wgDiff3;
+
+	# This check may also protect against code injection in
+	# case of broken installations.
+	if(! file_exists( $wgDiff3 ) ){
+		wfDebug( "diff3 not found\n" );
+		return false;
+	}
+
+	# Make temporary files
+	$td = wfTempDir();
+	$oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
+	$mytextFile = fopen( $mytextName = tempnam( $td, 'merge-mine-' ), 'w' );
+	$yourtextFile = fopen( $yourtextName = tempnam( $td, 'merge-your-' ), 'w' );
+
+	fwrite( $oldtextFile, $old ); fclose( $oldtextFile );
+	fwrite( $mytextFile, $mine ); fclose( $mytextFile );
+	fwrite( $yourtextFile, $yours ); fclose( $yourtextFile );
+
+	# Check for a conflict
+	$cmd = $wgDiff3 . ' -a --overlap-only ' .
+	  wfEscapeShellArg( $mytextName ) . ' ' .
+	  wfEscapeShellArg( $oldtextName ) . ' ' .
+	  wfEscapeShellArg( $yourtextName );
+	$handle = popen( $cmd, 'r' );
+
+	if( fgets( $handle, 1024 ) ){
+		$conflict = true;
+	} else {
+		$conflict = false;
+	}
+	pclose( $handle );
+
+	# Merge differences
+	$cmd = $wgDiff3 . ' -a -e --merge ' .
+	  wfEscapeShellArg( $mytextName, $oldtextName, $yourtextName );
+	$handle = popen( $cmd, 'r' );
+	$result = '';
+	do {
+		$data = fread( $handle, 8192 );
+		if ( strlen( $data ) == 0 ) {
+			break;
+		}
+		$result .= $data;
+	} while ( true );
+	pclose( $handle );
+	unlink( $mytextName ); unlink( $oldtextName ); unlink( $yourtextName );
+
+	if ( $result === '' && $old !== '' && $conflict == false ) {
+		wfDebug( "Unexpected null result from diff3. Command: $cmd\n" );
+		$conflict = true;
+	}
+	return ! $conflict;
+}
+
+/**
+ * @todo document
+ */
+function wfVarDump( $var ) {
+	global $wgOut;
+	$s = str_replace("\n","<br />\n", var_export( $var, true ) . "\n");
+	if ( headers_sent() || !@is_object( $wgOut ) ) {
+		print $s;
+	} else {
+		$wgOut->addHTML( $s );
+	}
+}
+
+/**
+ * Provide a simple HTTP error.
+ */
+function wfHttpError( $code, $label, $desc ) {
+	global $wgOut;
+	$wgOut->disable();
+	header( "HTTP/1.0 $code $label" );
+	header( "Status: $code $label" );
+	$wgOut->sendCacheControl();
+
+	header( 'Content-type: text/html' );
+	print "<html><head><title>" .
+		htmlspecialchars( $label ) .
+		"</title></head><body><h1>" .
+		htmlspecialchars( $label ) .
+		"</h1><p>" .
+		htmlspecialchars( $desc ) .
+		"</p></body></html>\n";
+}
+
+/**
+ * Converts an Accept-* header into an array mapping string values to quality
+ * factors
+ */
+function wfAcceptToPrefs( $accept, $def = '*/*' ) {
+	# No arg means accept anything (per HTTP spec)
+	if( !$accept ) {
+		return array( $def => 1 );
+	}
+
+	$prefs = array();
+
+	$parts = explode( ',', $accept );
+
+	foreach( $parts as $part ) {
+		# FIXME: doesn't deal with params like 'text/html; level=1'
+		@list( $value, $qpart ) = explode( ';', $part );
+		if( !isset( $qpart ) ) {
+			$prefs[$value] = 1;
+		} elseif( preg_match( '/q\s*=\s*(\d*\.\d+)/', $qpart, $match ) ) {
+			$prefs[$value] = $match[1];
+		}
+	}
+
+	return $prefs;
+}
+
+/**
+ * Checks if a given MIME type matches any of the keys in the given
+ * array. Basic wildcards are accepted in the array keys.
+ *
+ * Returns the matching MIME type (or wildcard) if a match, otherwise
+ * NULL if no match.
+ *
+ * @param string $type
+ * @param array $avail
+ * @return string
+ * @private
+ */
+function mimeTypeMatch( $type, $avail ) {
+	if( array_key_exists($type, $avail) ) {
+		return $type;
+	} else {
+		$parts = explode( '/', $type );
+		if( array_key_exists( $parts[0] . '/*', $avail ) ) {
+			return $parts[0] . '/*';
+		} elseif( array_key_exists( '*/*', $avail ) ) {
+			return '*/*';
+		} else {
+			return NULL;
+		}
+	}
+}
+
+/**
+ * Returns the 'best' match between a client's requested internet media types
+ * and the server's list of available types. Each list should be an associative
+ * array of type to preference (preference is a float between 0.0 and 1.0).
+ * Wildcards in the types are acceptable.
+ *
+ * @param array $cprefs Client's acceptable type list
+ * @param array $sprefs Server's offered types
+ * @return string
+ *
+ * @todo FIXME: doesn't handle params like 'text/plain; charset=UTF-8'
+ * XXX: generalize to negotiate other stuff
+ */
+function wfNegotiateType( $cprefs, $sprefs ) {
+	$combine = array();
+
+	foreach( array_keys($sprefs) as $type ) {
+		$parts = explode( '/', $type );
+		if( $parts[1] != '*' ) {
+			$ckey = mimeTypeMatch( $type, $cprefs );
+			if( $ckey ) {
+				$combine[$type] = $sprefs[$type] * $cprefs[$ckey];
+			}
+		}
+	}
+
+	foreach( array_keys( $cprefs ) as $type ) {
+		$parts = explode( '/', $type );
+		if( $parts[1] != '*' && !array_key_exists( $type, $sprefs ) ) {
+			$skey = mimeTypeMatch( $type, $sprefs );
+			if( $skey ) {
+				$combine[$type] = $sprefs[$skey] * $cprefs[$type];
+			}
+		}
+	}
+
+	$bestq = 0;
+	$besttype = NULL;
+
+	foreach( array_keys( $combine ) as $type ) {
+		if( $combine[$type] > $bestq ) {
+			$besttype = $type;
+			$bestq = $combine[$type];
+		}
+	}
+
+	return $besttype;
+}
+
+/**
+ * Array lookup
+ * Returns an array where the values in the first array are replaced by the
+ * values in the second array with the corresponding keys
+ *
+ * @return array
+ */
+function wfArrayLookup( $a, $b ) {
+	return array_flip( array_intersect( array_flip( $a ), array_keys( $b ) ) );
+}
+
+/**
+ * Convenience function; returns MediaWiki timestamp for the present time.
+ * @return string
+ */
+function wfTimestampNow() {
+	# return NOW
+	return wfTimestamp( TS_MW, time() );
+}
+
+/**
+ * Reference-counted warning suppression
+ */
+function wfSuppressWarnings( $end = false ) {
+	static $suppressCount = 0;
+	static $originalLevel = false;
+
+	if ( $end ) {
+		if ( $suppressCount ) {
+			--$suppressCount;
+			if ( !$suppressCount ) {
+				error_reporting( $originalLevel );
+			}
+		}
+	} else {
+		if ( !$suppressCount ) {
+			$originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE ) );
+		}
+		++$suppressCount;
+	}
+}
+
+/**
+ * Restore error level to previous value
+ */
+function wfRestoreWarnings() {
+	wfSuppressWarnings( true );
+}
+
+# Autodetect, convert and provide timestamps of various types
+
+/**
+ * Unix time - the number of seconds since 1970-01-01 00:00:00 UTC
+ */
+define('TS_UNIX', 0);
+
+/**
+ * MediaWiki concatenated string timestamp (YYYYMMDDHHMMSS)
+ */
+define('TS_MW', 1);
+
+/**
+ * MySQL DATETIME (YYYY-MM-DD HH:MM:SS)
+ */
+define('TS_DB', 2);
+
+/**
+ * RFC 2822 format, for E-mail and HTTP headers
+ */
+define('TS_RFC2822', 3);
+
+/**
+ * ISO 8601 format with no timezone: 1986-02-09T20:00:00Z
+ *
+ * This is used by Special:Export
+ */
+define('TS_ISO_8601', 4);
+
+/**
+ * An Exif timestamp (YYYY:MM:DD HH:MM:SS)
+ *
+ * @url http://exif.org/Exif2-2.PDF The Exif 2.2 spec, see page 28 for the
+ *       DateTime tag and page 36 for the DateTimeOriginal and
+ *       DateTimeDigitized tags.
+ */
+define('TS_EXIF', 5);
+
+/**
+ * Oracle format time.
+ */
+define('TS_ORACLE', 6);
+
+/**
+ * @param mixed $outputtype A timestamp in one of the supported formats, the
+ *                          function will autodetect which format is supplied
+ *                          and act accordingly.
+ * @return string Time in the format specified in $outputtype
+ */
+function wfTimestamp($outputtype=TS_UNIX,$ts=0) {
+	$uts = 0;
+	$da = array();
+	if ($ts==0) {
+		$uts=time();
+	} elseif (preg_match("/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/D",$ts,$da)) {
+		# TS_DB
+		$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+			    (int)$da[2],(int)$da[3],(int)$da[1]);
+	} elseif (preg_match("/^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/D",$ts,$da)) {
+		# TS_EXIF
+		$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+			(int)$da[2],(int)$da[3],(int)$da[1]);
+	} elseif (preg_match("/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/D",$ts,$da)) {
+		# TS_MW
+		$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+			    (int)$da[2],(int)$da[3],(int)$da[1]);
+	} elseif (preg_match("/^(\d{1,13})$/D",$ts,$datearray)) {
+		# TS_UNIX
+		$uts = $ts;
+	} elseif (preg_match('/^(\d{1,2})-(...)-(\d\d(\d\d)?) (\d\d)\.(\d\d)\.(\d\d)/', $ts, $da)) {
+		# TS_ORACLE
+		$uts = strtotime(preg_replace('/(\d\d)\.(\d\d)\.(\d\d)(\.(\d+))?/', "$1:$2:$3",
+				str_replace("+00:00", "UTC", $ts)));
+	} elseif (preg_match('/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})Z$/', $ts, $da)) {
+		# TS_ISO_8601
+		$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+			(int)$da[2],(int)$da[3],(int)$da[1]);
+	} else {
+		# Bogus value; fall back to the epoch...
+		wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
+		$uts = 0;
+	}
+
+
+ 	switch($outputtype) {
+		case TS_UNIX:
+			return $uts;
+		case TS_MW:
+			return gmdate( 'YmdHis', $uts );
+		case TS_DB:
+			return gmdate( 'Y-m-d H:i:s', $uts );
+		case TS_ISO_8601:
+			return gmdate( 'Y-m-d\TH:i:s\Z', $uts );
+		// This shouldn't ever be used, but is included for completeness
+		case TS_EXIF:
+			return gmdate(  'Y:m:d H:i:s', $uts );
+		case TS_RFC2822:
+			return gmdate( 'D, d M Y H:i:s', $uts ) . ' GMT';
+		case TS_ORACLE:
+			return gmdate( 'd-M-y h.i.s A', $uts) . ' +00:00';
+		default:
+			throw new MWException( 'wfTimestamp() called with illegal output type.');
+	}
+}
+
+/**
+ * Return a formatted timestamp, or null if input is null.
+ * For dealing with nullable timestamp columns in the database.
+ * @param int $outputtype
+ * @param string $ts
+ * @return string
+ */
+function wfTimestampOrNull( $outputtype = TS_UNIX, $ts = null ) {
+	if( is_null( $ts ) ) {
+		return null;
+	} else {
+		return wfTimestamp( $outputtype, $ts );
+	}
+}
+
+/**
+ * Check if the operating system is Windows
+ *
+ * @return bool True if it's Windows, False otherwise.
+ */
+function wfIsWindows() {
+	if (substr(php_uname(), 0, 7) == 'Windows') {
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Swap two variables
+ */
+function swap( &$x, &$y ) {
+	$z = $x;
+	$x = $y;
+	$y = $z;
+}
+
+function wfGetCachedNotice( $name ) {
+	global $wgOut, $parserMemc, $wgDBname;
+	$fname = 'wfGetCachedNotice';
+	wfProfileIn( $fname );
+	
+	$needParse = false;
+	$notice = wfMsgForContent( $name );
+	if( $notice == '&lt;'. $name . ';&gt' || $notice == '-' ) {
+		wfProfileOut( $fname );
+		return( false );
+	}
+	
+	$cachedNotice = $parserMemc->get( $wgDBname . ':' . $name );
+	if( is_array( $cachedNotice ) ) {
+		if( md5( $notice ) == $cachedNotice['hash'] ) {
+			$notice = $cachedNotice['html'];
+		} else {
+			$needParse = true;
+		}
+	} else {
+		$needParse = true;
+	}
+	
+	if( $needParse ) {
+		if( is_object( $wgOut ) ) {
+			$parsed = $wgOut->parse( $notice );
+			$parserMemc->set( $wgDBname . ':' . $name, array( 'html' => $parsed, 'hash' => md5( $notice ) ), 600 );
+			$notice = $parsed;
+		} else {
+			wfDebug( 'wfGetCachedNotice called for ' . $name . ' with no $wgOut available' );
+			$notice = '';
+		}
+	}
+	
+	wfProfileOut( $fname );
+	return $notice;
+}
+
+function wfGetNamespaceNotice() {
+	global $wgTitle;
+	
+	# Paranoia
+	if ( !isset( $wgTitle ) || !is_object( $wgTitle ) )
+		return "";
+
+	$fname = 'wfGetNamespaceNotice';
+	wfProfileIn( $fname );
+	
+	$key = "namespacenotice-" . $wgTitle->getNsText();
+	$namespaceNotice = wfGetCachedNotice( $key );
+	if ( $namespaceNotice && substr ( $namespaceNotice , 0 ,7 ) != "<p>&lt;" ) {
+		 $namespaceNotice = '<div id="namespacebanner">' . $namespaceNotice . "</div>";
+	} else {
+		$namespaceNotice = "";
+	}
+
+	wfProfileOut( $fname );
+	return $namespaceNotice;
+}
+
+function wfGetSiteNotice() {
+	global $wgUser, $wgSiteNotice;
+	$fname = 'wfGetSiteNotice';
+	wfProfileIn( $fname );
+	$siteNotice = '';	
+	
+	if( wfRunHooks( 'SiteNoticeBefore', array( &$siteNotice ) ) ) {
+		if( is_object( $wgUser ) && $wgUser->isLoggedIn() ) {
+			$siteNotice = wfGetCachedNotice( 'sitenotice' );
+			$siteNotice = !$siteNotice ? $wgSiteNotice : $siteNotice;
+		} else {
+			$anonNotice = wfGetCachedNotice( 'anonnotice' );
+			if( !$anonNotice ) {
+				$siteNotice = wfGetCachedNotice( 'sitenotice' );
+				$siteNotice = !$siteNotice ? $wgSiteNotice : $siteNotice;
+			} else {
+				$siteNotice = $anonNotice;
+			}
+		}
+	}
+
+	wfRunHooks( 'SiteNoticeAfter', array( &$siteNotice ) );
+	wfProfileOut( $fname );
+	return $siteNotice;
+}
+
+/** Global singleton instance of MimeMagic. This is initialized on demand,
+* please always use the wfGetMimeMagic() function to get the instance.
+*
+* @private
+*/
+$wgMimeMagic= NULL;
+
+/** Factory functions for the global MimeMagic object.
+* This function always returns the same singleton instance of MimeMagic.
+* That objects will be instantiated on the first call to this function.
+* If needed, the MimeMagic.php file is automatically included by this function.
+* @return MimeMagic the global MimeMagic objects.
+*/
+function &wfGetMimeMagic() {
+	global $wgMimeMagic;
+
+	if (!is_null($wgMimeMagic)) {
+		return $wgMimeMagic;
+	}
+
+	if (!class_exists("MimeMagic")) {
+		#include on demand
+		require_once("MimeMagic.php");
+	}
+
+	$wgMimeMagic= new MimeMagic();
+
+	return $wgMimeMagic;
+}
+
+
+/**
+ * Tries to get the system directory for temporary files.
+ * The TMPDIR, TMP, and TEMP environment variables are checked in sequence,
+ * and if none are set /tmp is returned as the generic Unix default.
+ *
+ * NOTE: When possible, use the tempfile() function to create temporary
+ * files to avoid race conditions on file creation, etc.
+ *
+ * @return string
+ */
+function wfTempDir() {
+	foreach( array( 'TMPDIR', 'TMP', 'TEMP' ) as $var ) {
+		$tmp = getenv( $var );
+		if( $tmp && file_exists( $tmp ) && is_dir( $tmp ) && is_writable( $tmp ) ) {
+			return $tmp;
+		}
+	}
+	# Hope this is Unix of some kind!
+	return '/tmp';
+}
+
+/**
+ * Make directory, and make all parent directories if they don't exist
+ */
+function wfMkdirParents( $fullDir, $mode = 0777 ) {
+	if ( strval( $fullDir ) === '' ) {
+		return true;
+	}
+	
+	# Go back through the paths to find the first directory that exists
+	$currentDir = $fullDir;
+	$createList = array();
+	while ( strval( $currentDir ) !== '' && !file_exists( $currentDir ) ) {	
+		# Strip trailing slashes
+		$currentDir = rtrim( $currentDir, '/\\' );
+
+		# Add to create list
+		$createList[] = $currentDir;
+
+		# Find next delimiter searching from the end
+		$p = max( strrpos( $currentDir, '/' ), strrpos( $currentDir, '\\' ) );
+		if ( $p === false ) {
+			$currentDir = false;
+		} else {
+			$currentDir = substr( $currentDir, 0, $p );
+		}
+	}
+	
+	if ( count( $createList ) == 0 ) {
+		# Directory specified already exists
+		return true;
+	} elseif ( $currentDir === false ) {
+		# Went all the way back to root and it apparently doesn't exist
+		return false;
+	}
+	
+	# Now go forward creating directories
+	$createList = array_reverse( $createList );
+	foreach ( $createList as $dir ) {
+		# use chmod to override the umask, as suggested by the PHP manual
+		if ( !mkdir( $dir, $mode ) || !chmod( $dir, $mode ) ) {
+			return false;
+		} 
+	}
+	return true;
+}
+
+/**
+ * Increment a statistics counter
+ */
+ function wfIncrStats( $key ) {
+	 global $wgDBname, $wgMemc;
+	 $key = "$wgDBname:stats:$key";
+	 if ( is_null( $wgMemc->incr( $key ) ) ) {
+		 $wgMemc->add( $key, 1 );
+	 }
+ }
+
+/**
+ * @param mixed $nr The number to format
+ * @param int $acc The number of digits after the decimal point, default 2
+ * @param bool $round Whether or not to round the value, default true
+ * @return float
+ */
+function wfPercent( $nr, $acc = 2, $round = true ) {
+	$ret = sprintf( "%.${acc}f", $nr );
+	return $round ? round( $ret, $acc ) . '%' : "$ret%";
+}
+
+/**
+ * Encrypt a username/password.
+ *
+ * @param string $userid ID of the user
+ * @param string $password Password of the user
+ * @return string Hashed password
+ */
+function wfEncryptPassword( $userid, $password ) {
+	global $wgPasswordSalt;
+	$p = md5( $password);
+
+	if($wgPasswordSalt)
+		return md5( "{$userid}-{$p}" );
+	else
+		return $p;
+}
+
+/**
+ * Appends to second array if $value differs from that in $default
+ */
+function wfAppendToArrayIfNotDefault( $key, $value, $default, &$changed ) {
+	if ( is_null( $changed ) ) {
+		throw new MWException('GlobalFunctions::wfAppendToArrayIfNotDefault got null');
+	}
+	if ( $default[$key] !== $value ) {
+		$changed[$key] = $value;
+	}
+}
+
+/**
+ * Since wfMsg() and co suck, they don't return false if the message key they
+ * looked up didn't exist but a XHTML string, this function checks for the
+ * nonexistance of messages by looking at wfMsg() output
+ *
+ * @param $msg      The message key looked up
+ * @param $wfMsgOut The output of wfMsg*()
+ * @return bool
+ */
+function wfEmptyMsg( $msg, $wfMsgOut ) {
+	return $wfMsgOut === "&lt;$msg&gt;";
+}
+
+/**
+ * Find out whether or not a mixed variable exists in a string
+ *
+ * @param mixed  needle
+ * @param string haystack
+ * @return bool
+ */
+function in_string( $needle, $str ) {
+	return strpos( $str, $needle ) !== false;
+}
+
+function wfSpecialList( $page, $details ) {
+	global $wgContLang;
+	$details = $details ? ' ' . $wgContLang->getDirMark() . "($details)" : "";
+	return $page . $details;
+}
+
+/**
+ * Returns a regular expression of url protocols
+ *
+ * @return string
+ */
+function wfUrlProtocols() {
+	global $wgUrlProtocols;
+
+	// Support old-style $wgUrlProtocols strings, for backwards compatibility
+	// with LocalSettings files from 1.5
+	if ( is_array( $wgUrlProtocols ) ) {
+		$protocols = array();
+		foreach ($wgUrlProtocols as $protocol)
+			$protocols[] = preg_quote( $protocol, '/' );
+
+		return implode( '|', $protocols );
+	} else {
+		return $wgUrlProtocols;
+	}
+}
+
+/**
+ * Execute a shell command, with time and memory limits mirrored from the PHP
+ * configuration if supported.
+ * @param $cmd Command line, properly escaped for shell.
+ * @param &$retval optional, will receive the program's exit code.
+ *                 (non-zero is usually failure)
+ * @return collected stdout as a string (trailing newlines stripped)
+ */
+function wfShellExec( $cmd, &$retval=null ) {
+	global $IP, $wgMaxShellMemory;
+	
+	if( ini_get( 'safe_mode' ) ) {
+		wfDebug( "wfShellExec can't run in safe_mode, PHP's exec functions are too broken.\n" );
+		$retval = 1;
+		return "Unable to run external programs in safe mode.";
+	}
+
+	if ( php_uname( 's' ) == 'Linux' ) {
+		$time = ini_get( 'max_execution_time' );
+		$mem = intval( $wgMaxShellMemory );
+
+		if ( $time > 0 && $mem > 0 ) {
+			$script = "$IP/bin/ulimit.sh";
+			if ( is_executable( $script ) ) {
+				$cmd = escapeshellarg( $script ) . " $time $mem $cmd";
+			}
+		}
+	} elseif ( php_uname( 's' ) == 'Windows NT' ) {
+		# This is a hack to work around PHP's flawed invocation of cmd.exe
+		# http://news.php.net/php.internals/21796
+		$cmd = '"' . $cmd . '"';
+	}
+	wfDebug( "wfShellExec: $cmd\n" );
+	
+	$output = array();
+	$retval = 1; // error by default?
+	$lastline = exec( $cmd, $output, $retval );
+	return implode( "\n", $output );
+	
+}
+
+/**
+ * This function works like "use VERSION" in Perl, the program will die with a
+ * backtrace if the current version of PHP is less than the version provided
+ *
+ * This is useful for extensions which due to their nature are not kept in sync
+ * with releases, and might depend on other versions of PHP than the main code
+ *
+ * Note: PHP might die due to parsing errors in some cases before it ever
+ *       manages to call this function, such is life
+ *
+ * @see perldoc -f use
+ *
+ * @param mixed $version The version to check, can be a string, an integer, or
+ *                       a float
+ */
+function wfUsePHP( $req_ver ) {
+	$php_ver = PHP_VERSION;
+
+	if ( version_compare( $php_ver, (string)$req_ver, '<' ) )
+		 throw new MWException( "PHP $req_ver required--this is only $php_ver" );
+}
+
+/**
+ * This function works like "use VERSION" in Perl except it checks the version
+ * of MediaWiki, the program will die with a backtrace if the current version
+ * of MediaWiki is less than the version provided.
+ *
+ * This is useful for extensions which due to their nature are not kept in sync
+ * with releases
+ *
+ * @see perldoc -f use
+ *
+ * @param mixed $version The version to check, can be a string, an integer, or
+ *                       a float
+ */
+function wfUseMW( $req_ver ) {
+	global $wgVersion;
+
+	if ( version_compare( $wgVersion, (string)$req_ver, '<' ) )
+		throw new MWException( "MediaWiki $req_ver required--this is only $wgVersion" );
+}
+
+/**
+ * Escape a string to make it suitable for inclusion in a preg_replace()
+ * replacement parameter.
+ *
+ * @param string $string
+ * @return string
+ */
+function wfRegexReplacement( $string ) {
+	$string = str_replace( '\\', '\\\\', $string );
+	$string = str_replace( '$', '\\$', $string );
+	return $string;
+}
+
+/**
+ * Return the final portion of a pathname.
+ * Reimplemented because PHP5's basename() is buggy with multibyte text.
+ * http://bugs.php.net/bug.php?id=33898
+ *
+ * PHP's basename() only considers '\' a pathchar on Windows and Netware.
+ * We'll consider it so always, as we don't want \s in our Unix paths either.
+ * 
+ * @param string $path
+ * @return string
+ */
+function wfBaseName( $path ) {
+	if( preg_match( '#([^/\\\\]*)[/\\\\]*$#', $path, $matches ) ) {
+		return $matches[1];
+	} else {
+		return '';
+	}
+}
+
+/**
+ * Make a URL index, appropriate for the el_index field of externallinks.
+ */
+function wfMakeUrlIndex( $url ) {
+	wfSuppressWarnings();
+	$bits = parse_url( $url );
+	wfRestoreWarnings();
+	if ( !$bits || $bits['scheme'] !== 'http' ) {
+		return false;
+	}
+	// Reverse the labels in the hostname, convert to lower case
+	$reversedHost = strtolower( implode( '.', array_reverse( explode( '.', $bits['host'] ) ) ) );
+	// Add an extra dot to the end
+	if ( substr( $reversedHost, -1, 1 ) !== '.' ) {
+		$reversedHost .= '.';
+	}
+	// Reconstruct the pseudo-URL
+	$index = "http://$reversedHost";
+	// Leave out user and password. Add the port, path, query and fragment
+	if ( isset( $bits['port'] ) )      $index .= ':' . $bits['port'];
+	if ( isset( $bits['path'] ) ) {
+		$index .= $bits['path'];
+	} else {
+		$index .= '/';
+	}
+	if ( isset( $bits['query'] ) )     $index .= '?' . $bits['query'];
+	if ( isset( $bits['fragment'] ) )  $index .= '#' . $bits['fragment'];
+	return $index;
+}
+
+/**
+ * Do any deferred updates and clear the list
+ * TODO: This could be in Wiki.php if that class made any sense at all
+ */
+function wfDoUpdates()
+{
+	global $wgPostCommitUpdateList, $wgDeferredUpdateList;
+	foreach ( $wgDeferredUpdateList as $update ) {
+		$update->doUpdate();
+	}
+	foreach ( $wgPostCommitUpdateList as $update ) {
+		$update->doUpdate();
+	}
+	$wgDeferredUpdateList = array();
+	$wgPostCommitUpdateList = array();
+}
+
+/**
+ * More or less "markup-safe" explode()
+ * Ignores any instances of the separator inside <...>
+ * @param string $separator
+ * @param string $text
+ * @return array
+ */
+function wfExplodeMarkup( $separator, $text ) {
+	$placeholder = "\x00";
+	
+	// Just in case...
+	$text = str_replace( $placeholder, '', $text );
+	
+	// Trim stuff
+	$replacer = new ReplacerCallback( $separator, $placeholder );
+	$cleaned = preg_replace_callback( '/(<.*?>)/', array( $replacer, 'go' ), $text );
+	
+	$items = explode( $separator, $cleaned );
+	foreach( $items as $i => $str ) {
+		$items[$i] = str_replace( $placeholder, $separator, $str );
+	}
+	
+	return $items;
+}
+
+class ReplacerCallback {
+	function ReplacerCallback( $from, $to ) {
+		$this->from = $from;
+		$this->to = $to;
+	}
+	
+	function go( $matches ) {
+		return str_replace( $this->from, $this->to, $matches[1] );
+	}
+}
+
+
+/**
+ * Convert an arbitrarily-long digit string from one numeric base
+ * to another, optionally zero-padding to a minimum column width.
+ *
+ * Supports base 2 through 36; digit values 10-36 are represented
+ * as lowercase letters a-z. Input is case-insensitive.
+ *
+ * @param $input string of digits
+ * @param $sourceBase int 2-36
+ * @param $destBase int 2-36
+ * @param $pad int 1 or greater
+ * @return string or false on invalid input
+ */
+function wfBaseConvert( $input, $sourceBase, $destBase, $pad=1 ) {
+	if( $sourceBase < 2 ||
+		$sourceBase > 36 ||
+		$destBase < 2 ||
+		$destBase > 36 ||
+		$pad < 1 ||
+		$sourceBase != intval( $sourceBase ) ||
+		$destBase != intval( $destBase ) ||
+		$pad != intval( $pad ) ||
+		!is_string( $input ) ||
+		$input == '' ) {
+		return false;
+	}
+	
+	$digitChars = '0123456789abcdefghijklmnopqrstuvwxyz';
+	$inDigits = array();
+	$outChars = '';
+	
+	// Decode and validate input string
+	$input = strtolower( $input );
+	for( $i = 0; $i < strlen( $input ); $i++ ) {
+		$n = strpos( $digitChars, $input{$i} );
+		if( $n === false || $n > $sourceBase ) {
+			return false;
+		}
+		$inDigits[] = $n;
+	}
+	
+	// Iterate over the input, modulo-ing out an output digit
+	// at a time until input is gone.
+	while( count( $inDigits ) ) {
+		$work = 0;
+		$workDigits = array();
+		
+		// Long division...
+		foreach( $inDigits as $digit ) {
+			$work *= $sourceBase;
+			$work += $digit;
+			
+			if( $work < $destBase ) {
+				// Gonna need to pull another digit.
+				if( count( $workDigits ) ) {
+					// Avoid zero-padding; this lets us find
+					// the end of the input very easily when
+					// length drops to zero.
+					$workDigits[] = 0;
+				}
+			} else {
+				// Finally! Actual division!
+				$workDigits[] = intval( $work / $destBase );
+				
+				// Isn't it annoying that most programming languages
+				// don't have a single divide-and-remainder operator,
+				// even though the CPU implements it that way?
+				$work = $work % $destBase;
+			}
+		}
+		
+		// All that division leaves us with a remainder,
+		// which is conveniently our next output digit.
+		$outChars .= $digitChars[$work];
+		
+		// And we continue!
+		$inDigits = $workDigits;
+	}
+	
+	while( strlen( $outChars ) < $pad ) {
+		$outChars .= '0';
+	}
+	
+	return strrev( $outChars );
+}
+
+/**
+ * Create an object with a given name and an array of construct parameters
+ * @param string $name
+ * @param array $p parameters
+ */
+function wfCreateObject( $name, $p ){
+	$p = array_values( $p );
+	switch ( count( $p ) ) {
+		case 0:
+			return new $name;
+		case 1:
+			return new $name( $p[0] );
+		case 2:
+			return new $name( $p[0], $p[1] );
+		case 3:
+			return new $name( $p[0], $p[1], $p[2] );
+		case 4:
+			return new $name( $p[0], $p[1], $p[2], $p[3] );
+		case 5:
+			return new $name( $p[0], $p[1], $p[2], $p[3], $p[4] );
+		case 6:
+			return new $name( $p[0], $p[1], $p[2], $p[3], $p[4], $p[5] );
+		default:
+			throw new MWException( "Too many arguments to construtor in wfCreateObject" );
+	}
+}
+
+/**
+ * Aliases for modularized functions
+ */
+function wfGetHTTP( $url, $timeout = 'default' ) { 
+	return Http::get( $url, $timeout ); 
+}
+function wfIsLocalURL( $url ) { 
+	return Http::isLocalURL( $url ); 
+}
+
+?>
diff --git a/includes/HTMLCacheUpdate.php b/includes/HTMLCacheUpdate.php
new file mode 100644
index 00000000..47703b20
--- /dev/null
+++ b/includes/HTMLCacheUpdate.php
@@ -0,0 +1,230 @@
+<?php
+
+/**
+ * Class to invalidate the HTML cache of all the pages linking to a given title.
+ * Small numbers of links will be done immediately, large numbers are pushed onto
+ * the job queue.
+ *
+ * This class is designed to work efficiently with small numbers of links, and 
+ * to work reasonably well with up to ~10^5 links. Above ~10^6 links, the memory
+ * and time requirements of loading all backlinked IDs in doUpdate() might become
+ * prohibitive. The requirements measured at Wikimedia are approximately:
+ * 
+ *   memory: 48 bytes per row
+ *   time: 16us per row for the query plus processing
+ *
+ * The reason this query is done is to support partitioning of the job
+ * by backlinked ID. The memory issue could be allieviated by doing this query in 
+ * batches, but of course LIMIT with an offset is inefficient on the DB side.
+ *
+ * The class is nevertheless a vast improvement on the previous method of using 
+ * Image::getLinksTo() and Title::touchArray(), which uses about 2KB of memory per
+ * link.
+ */
+class HTMLCacheUpdate
+{
+	public $mTitle, $mTable, $mPrefix;
+	public $mRowsPerJob, $mRowsPerQuery;
+
+	function __construct( $titleTo, $table ) {
+		global $wgUpdateRowsPerJob, $wgUpdateRowsPerQuery;
+
+		$this->mTitle = $titleTo;
+		$this->mTable = $table;
+		$this->mRowsPerJob = $wgUpdateRowsPerJob;
+		$this->mRowsPerQuery = $wgUpdateRowsPerQuery;
+	}
+
+	function doUpdate() {
+		# Fetch the IDs
+		$cond = $this->getToCondition();
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( $this->mTable, $this->getFromField(), $cond, __METHOD__ );
+		$resWrap = new ResultWrapper( $dbr, $res );
+		if ( $dbr->numRows( $res ) != 0 ) {
+			if ( $dbr->numRows( $res ) > $this->mRowsPerJob ) {
+				$this->insertJobs( $resWrap );
+			} else {
+				$this->invalidateIDs( $resWrap );
+			}
+		}
+		$dbr->freeResult( $res );
+	}
+
+	function insertJobs( ResultWrapper $res ) {
+		$numRows = $res->numRows();
+		$numBatches = ceil( $numRows / $this->mRowsPerJob );
+		$realBatchSize = $numRows / $numBatches;
+		$boundaries = array();
+		$start = false;
+		$jobs = array();
+		do {
+			for ( $i = 0; $i < $realBatchSize - 1; $i++ ) {
+				$row = $res->fetchRow();
+				if ( $row ) {
+					$id = $row[0];
+				} else {
+					$id = false;
+					break;
+				}
+			}
+			if ( $id !== false ) {
+				// One less on the end to avoid duplicating the boundary
+				$job = new HTMLCacheUpdateJob( $this->mTitle, $this->mTable, $start, $id - 1 );
+			} else {
+				$job = new HTMLCacheUpdateJob( $this->mTitle, $this->mTable, $start, false );
+			}
+			$jobs[] = $job;
+
+			$start = $id;
+		} while ( $start );
+
+		Job::batchInsert( $jobs );
+	}
+
+	function getPrefix() {
+		static $prefixes = array(
+			'pagelinks' => 'pl',
+			'imagelinks' => 'il',
+			'categorylinks' => 'cl',
+			'templatelinks' => 'tl',
+			
+			# Not needed
+			# 'externallinks' => 'el',
+			# 'langlinks' => 'll'
+		);
+
+		if ( is_null( $this->mPrefix ) ) {
+			$this->mPrefix = $prefixes[$this->mTable];
+			if ( is_null( $this->mPrefix ) ) {
+				throw new MWException( "Invalid table type \"{$this->mTable}\" in " . __CLASS__ );
+			}
+		}
+		return $this->mPrefix;
+	}
+	
+	function getFromField() {
+		return $this->getPrefix() . '_from';
+	}
+
+	function getToCondition() {
+		switch ( $this->mTable ) {
+			case 'pagelinks':
+				return array( 
+					'pl_namespace' => $this->mTitle->getNamespace(),
+					'pl_title' => $this->mTitle->getDBkey()
+				);
+			case 'templatelinks':
+				return array(
+					'tl_namespace' => $this->mTitle->getNamespace(),
+					'tl_title' => $this->mTitle->getDBkey()
+				);
+			case 'imagelinks':
+				return array( 'il_to' => $this->mTitle->getDBkey() );
+			case 'categorylinks':
+				return array( 'cl_to' => $this->mTitle->getDBkey() );
+		}
+		throw new MWException( 'Invalid table type in ' . __CLASS__ );
+	}
+
+	/**
+	 * Invalidate a set of IDs, right now
+	 */
+	function invalidateIDs( ResultWrapper $res ) {
+		global $wgUseFileCache, $wgUseSquid;
+
+		if ( $res->numRows() == 0 ) {
+			return;
+		}
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$timestamp = $dbw->timestamp();
+		$done = false;
+		
+		while ( !$done ) {
+			# Get all IDs in this query into an array
+			$ids = array();
+			for ( $i = 0; $i < $this->mRowsPerQuery; $i++ ) {
+				$row = $res->fetchRow();
+				if ( $row ) {
+					$ids[] = $row[0];
+				} else {
+					$done = true;
+					break;
+				}
+			}
+
+			if ( !count( $ids ) ) {
+				break;
+			}
+			
+			# Update page_touched
+			$dbw->update( 'page', 
+				array( 'page_touched' => $timestamp ), 
+				array( 'page_id IN (' . $dbw->makeList( $ids ) . ')' ),
+				__METHOD__
+			);
+
+			# Update squid
+			if ( $wgUseSquid || $wgUseFileCache ) {
+				$titles = Title::newFromIDs( $ids );
+				if ( $wgUseSquid ) {
+					$u = SquidUpdate::newFromTitles( $titles );
+					$u->doUpdate();
+				}
+
+				# Update file cache
+				if  ( $wgUseFileCache ) {
+					foreach ( $titles as $title ) {
+						$cm = new CacheManager($title);
+						@unlink($cm->fileCacheName());
+					}
+				}
+			}
+		}
+	}
+}
+
+class HTMLCacheUpdateJob extends Job {
+	var $table, $start, $end;
+
+	/**
+	 * Construct a job
+	 * @param Title $title The title linked to
+	 * @param string $table The name of the link table.
+	 * @param integer $start Beginning page_id or false for open interval
+	 * @param integer $end End page_id or false for open interval
+	 * @param integer $id job_id
+	 */
+	function __construct( $title, $table, $start, $end, $id = 0 ) {
+		$params = array(
+			'table' => $table, 
+			'start' => $start, 
+			'end' => $end );
+		parent::__construct( 'htmlCacheUpdate', $title, $params, $id );
+		$this->table = $table;
+		$this->start = intval( $start );
+		$this->end = intval( $end );
+	}
+
+	function run() {
+		$update = new HTMLCacheUpdate( $this->title, $this->table );
+
+		$fromField = $update->getFromField();
+		$conds = $update->getToCondition();
+		if ( $this->start ) {
+			$conds[] = "$fromField >= {$this->start}";
+		}
+		if ( $this->end ) {
+			$conds[] = "$fromField <= {$this->end}";
+		}
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( $this->table, $fromField, $conds, __METHOD__ );
+		$update->invalidateIDs( new ResultWrapper( $dbr, $res ) );
+		$dbr->freeResult( $res );
+
+		return true;
+	}
+}
+?>
diff --git a/includes/HTMLForm.php b/includes/HTMLForm.php
new file mode 100644
index 00000000..c3d74b20
--- /dev/null
+++ b/includes/HTMLForm.php
@@ -0,0 +1,177 @@
+<?php
+/**
+ * This file contain a class to easily build HTML forms as well as custom
+ * functions used by SpecialUserrights.php
+ * @package MediaWiki
+ */
+
+/**
+ * Class to build various forms
+ *
+ * @package MediaWiki
+ * @author jeluf, hashar
+ */
+class HTMLForm {
+	/** name of our form. Used as prefix for labels */
+	var $mName, $mRequest;
+
+	function HTMLForm( &$request ) {
+		$this->mRequest = $request;
+	}
+
+	/**
+	 * @private
+	 * @param $name String: name of the fieldset.
+	 * @param $content String: HTML content to put in.
+	 * @return string HTML fieldset
+	 */
+	function fieldset( $name, $content ) {
+		return "<fieldset><legend>".wfMsg($this->mName.'-'.$name)."</legend>\n" .
+			$content . "\n</fieldset>\n";
+	}
+
+	/**
+	 * @private
+	 * @param $varname String: name of the checkbox.
+	 * @param $checked Boolean: set true to check the box (default False).
+	 */
+	function checkbox( $varname, $checked=false ) {
+		if ( $this->mRequest->wasPosted() && !is_null( $this->mRequest->getVal( $varname ) ) ) {
+			$checked = $this->mRequest->getCheck( $varname );
+		}
+		return "<div><input type='checkbox' value=\"1\" id=\"{$varname}\" name=\"wpOp{$varname}\"" .
+			( $checked ? ' checked="checked"' : '' ) .
+			" /><label for=\"{$varname}\">". wfMsg( $this->mName.'-'.$varname ) .
+			"</label></div>\n";
+	}
+
+	/**
+	 * @private
+	 * @param $varname String: name of the textbox.
+	 * @param $value String: optional value (default empty)
+	 * @param $size Integer: optional size of the textbox (default 20)
+	 */
+	function textbox( $varname, $value='', $size=20 ) {
+		if ( $this->mRequest->wasPosted() ) {
+			$value = $this->mRequest->getText( $varname, $value );
+		}
+		$value = htmlspecialchars( $value );
+		return "<div><label>". wfMsg( $this->mName.'-'.$varname ) .
+			"<input type='text' name=\"{$varname}\" value=\"{$value}\" size=\"{$size}\" /></label></div>\n";
+	}
+
+	/**
+	 * @private
+	 * @param $varname String: name of the radiobox.
+	 * @param $fields Array: Various fields.
+	 */
+	function radiobox( $varname, $fields ) {
+		foreach ( $fields as $value => $checked ) {
+			$s .= "<div><label><input type='radio' name=\"{$varname}\" value=\"{$value}\"" .
+				( $checked ? ' checked="checked"' : '' ) . " />" . wfMsg( $this->mName.'-'.$varname.'-'.$value ) .
+				"</label></div>\n";
+		}
+		return $this->fieldset( $this->mName.'-'.$varname, $s );
+	}
+
+	/**
+	 * @private
+	 * @param $varname String: name of the textareabox.
+	 * @param $value String: optional value (default empty)
+	 * @param $size Integer: optional size of the textarea (default 20)
+	 */
+	function textareabox ( $varname, $value='', $size=20 ) {
+		if ( $this->mRequest->wasPosted() ) {
+			$value = $this->mRequest->getText( $varname, $value );
+		}
+		$value = htmlspecialchars( $value );
+		return '<div><label>'.wfMsg( $this->mName.'-'.$varname ).
+		       "<textarea name=\"{$varname}\" rows=\"5\" cols=\"{$size}\">$value</textarea></label></div>\n";
+	}
+
+	/**
+	 * @private
+	 * @param $varname String: name of the arraybox.
+	 * @param $size Integer: Optional size of the textarea (default 20)
+	 */
+	function arraybox( $varname , $size=20 ) {
+		$s = '';
+		if ( $this->mRequest->wasPosted() ) {
+			$arr = $this->mRequest->getArray( $varname );
+			if ( is_array( $arr ) ) {
+				foreach ( $_POST[$varname] as $index => $element ) {
+					$s .= htmlspecialchars( $element )."\n";
+				}
+			}
+		}
+		return "<div><label>".wfMsg( $this->mName.'-'.$varname ).
+			"<textarea name=\"{$varname}\" rows=\"5\" cols=\"{$size}\">{$s}</textarea>\n";
+	}
+} // end class
+
+
+// functions used by SpecialUserrights.php
+
+/** Build a select with all defined groups
+ * @param $selectname String: name of this element. Name of form is automaticly prefixed.
+ * @param $selectmsg String: FIXME
+ * @param $selected Array: array of element selected when posted. Only multiples will show them.
+ * @param $multiple Boolean: A multiple elements select.
+ * @param $size Integer: number of elements to be shown ignored for non-multiple (default 6).
+ * @param $reverse Boolean: if true, multiple select will hide selected elements (default false).
+ * @todo Document $selectmsg
+*/
+function HTMLSelectGroups($selectname, $selectmsg, $selected=array(), $multiple=false, $size=6, $reverse=false) {
+	$groups = User::getAllGroups();
+	$out = htmlspecialchars( wfMsg( $selectmsg ) );
+
+	if( $multiple ) {
+		$attribs = array(
+			'name'    => $selectname . '[]',
+			'multiple'=> 'multiple',
+			'size'    => $size );
+	} else {
+		$attribs = array( 'name' => $selectname );
+	}
+	$out .= wfElement( 'select', $attribs, null );
+
+	foreach( $groups as $group ) {
+		$attribs = array( 'value' => $group );
+		if( $multiple ) {
+			// for multiple will only show the things we want
+			if( !in_array( $group, $selected ) xor $reverse ) {
+				continue;
+			}
+		} else {
+			if( in_array( $group, $selected ) ) {
+				$attribs['selected'] = 'selected';
+			}
+		}
+		$out .= wfElement( 'option', $attribs, User::getGroupName( $group ) ) . "\n";
+	}
+
+	$out .= "</select>\n";
+	return $out;
+}
+
+/** Build a select with all existent rights
+ * @param $selected Array: Names(?) of user rights that should be selected.
+ * @return string HTML select.
+ */
+function HTMLSelectRights($selected='') {
+	global $wgAvailableRights;
+	$out = '<select name="editgroup-getrights[]" multiple="multiple">';
+	$groupRights = explode(',',$selected);
+
+	foreach($wgAvailableRights as $right) {
+
+		// check box when right exist
+		if(in_array($right, $groupRights)) { $selected = 'selected="selected" '; }
+		else { $selected = ''; }
+
+		$out .= '<option value="'.$right.'" '.$selected.'>'.$right."</option>\n";
+	}
+	$out .= "</select>\n";
+	return $out;
+}
+?>
diff --git a/includes/HistoryBlob.php b/includes/HistoryBlob.php
new file mode 100644
index 00000000..8f5d3624
--- /dev/null
+++ b/includes/HistoryBlob.php
@@ -0,0 +1,308 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Pure virtual parent
+ * @package MediaWiki
+ */
+class HistoryBlob
+{
+	/**
+	 * setMeta and getMeta currently aren't used for anything, I just thought
+	 * they might be useful in the future.
+	 * @param $meta String: a single string.
+	 */
+	function setMeta( $meta ) {}
+
+	/**
+	 * setMeta and getMeta currently aren't used for anything, I just thought
+	 * they might be useful in the future.
+	 * Gets the meta-value
+	 */
+	function getMeta() {}
+
+	/**
+	 * Adds an item of text, returns a stub object which points to the item.
+	 * You must call setLocation() on the stub object before storing it to the
+	 * database
+	 */
+	function addItem() {}
+
+	/**
+	 * Get item by hash
+	 */
+	function getItem( $hash ) {}
+
+	# Set the "default text"
+	# This concept is an odd property of the current DB schema, whereby each text item has a revision
+	# associated with it. The default text is the text of the associated revision. There may, however,
+	# be other revisions in the same object
+	function setText() {}
+
+	/**
+	 * Get default text. This is called from Revision::getRevisionText()
+	 */
+	function getText() {}
+}
+
+/**
+ * The real object
+ * @package MediaWiki
+ */
+class ConcatenatedGzipHistoryBlob extends HistoryBlob
+{
+	/* private */ var $mVersion = 0, $mCompressed = false, $mItems = array(), $mDefaultHash = '';
+	/* private */ var $mFast = 0, $mSize = 0;
+
+	function ConcatenatedGzipHistoryBlob() {
+		if ( !function_exists( 'gzdeflate' ) ) {
+			throw new MWException( "Need zlib support to read or write this kind of history object (ConcatenatedGzipHistoryBlob)\n" );
+		}
+	}
+
+	/** @todo document */
+	function setMeta( $metaData ) {
+		$this->uncompress();
+		$this->mItems['meta'] = $metaData;
+	}
+
+	/** @todo document */
+	function getMeta() {
+		$this->uncompress();
+		return $this->mItems['meta'];
+	}
+
+	/** @todo document */
+	function addItem( $text ) {
+		$this->uncompress();
+		$hash = md5( $text );
+		$this->mItems[$hash] = $text;
+		$this->mSize += strlen( $text );
+
+		$stub = new HistoryBlobStub( $hash );
+		return $stub;
+	}
+
+	/** @todo document */
+	function getItem( $hash ) {
+		$this->uncompress();
+		if ( array_key_exists( $hash, $this->mItems ) ) {
+			return $this->mItems[$hash];
+		} else {
+			return false;
+		}
+	}
+
+	/** @todo document */
+	function removeItem( $hash ) {
+		$this->mSize -= strlen( $this->mItems[$hash] );
+		unset( $this->mItems[$hash] );
+	}
+
+	/** @todo document */
+	function compress() {
+		if ( !$this->mCompressed  ) {
+			$this->mItems = gzdeflate( serialize( $this->mItems ) );
+			$this->mCompressed = true;
+		}
+	}
+
+	/** @todo document */
+	function uncompress() {
+		if ( $this->mCompressed ) {
+			$this->mItems = unserialize( gzinflate( $this->mItems ) );
+			$this->mCompressed = false;
+		}
+	}
+
+	/** @todo document */
+	function getText() {
+		$this->uncompress();
+		return $this->getItem( $this->mDefaultHash );
+	}
+
+	/** @todo document */
+	function setText( $text ) {
+		$this->uncompress();
+		$stub = $this->addItem( $text );
+		$this->mDefaultHash = $stub->mHash;
+	}
+
+	/** @todo document */
+	function __sleep() {
+		$this->compress();
+		return array( 'mVersion', 'mCompressed', 'mItems', 'mDefaultHash' );
+	}
+
+	/** @todo document */
+	function __wakeup() {
+		$this->uncompress();
+	}
+
+	/**
+	 * Determines if this object is happy
+	 */
+	function isHappy( $maxFactor, $factorThreshold ) {
+		if ( count( $this->mItems ) == 0 ) {
+			return true;
+		}
+		if ( !$this->mFast ) {
+			$this->uncompress();
+			$record = serialize( $this->mItems );
+			$size = strlen( $record );
+			$avgUncompressed = $size / count( $this->mItems );
+			$compressed = strlen( gzdeflate( $record ) );
+
+			if ( $compressed < $factorThreshold * 1024 ) {
+				return true;
+			} else {
+				return $avgUncompressed * $maxFactor < $compressed;
+			}
+		} else {
+			return count( $this->mItems ) <= 10;
+		}
+	}
+}
+
+
+/**
+ * One-step cache variable to hold base blobs; operations that
+ * pull multiple revisions may often pull multiple times from
+ * the same blob. By keeping the last-used one open, we avoid
+ * redundant unserialization and decompression overhead.
+ */
+global $wgBlobCache;
+$wgBlobCache = array();
+
+
+/**
+ * @package MediaWiki
+ */
+class HistoryBlobStub {
+	var $mOldId, $mHash, $mRef;
+
+	/** @todo document */
+	function HistoryBlobStub( $hash = '', $oldid = 0 ) {
+		$this->mHash = $hash;
+	}
+
+	/**
+	 * Sets the location (old_id) of the main object to which this object
+	 * points
+	 */
+	function setLocation( $id ) {
+		$this->mOldId = $id;
+	}
+
+      /**
+       * Sets the location (old_id) of the referring object
+       */
+	function setReferrer( $id ) {
+		$this->mRef = $id;
+	}
+
+      /**
+       * Gets the location of the referring object
+       */
+	function getReferrer() {
+		return $this->mRef;
+	}
+
+	/** @todo document */
+	function getText() {
+		$fname = 'HistoryBlob::getText';
+		global $wgBlobCache;
+		if( isset( $wgBlobCache[$this->mOldId] ) ) {
+			$obj = $wgBlobCache[$this->mOldId];
+		} else {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$row = $dbr->selectRow( 'text', array( 'old_flags', 'old_text' ), array( 'old_id' => $this->mOldId ) );
+			if( !$row ) {
+				return false;
+			}
+			$flags = explode( ',', $row->old_flags );
+			if( in_array( 'external', $flags ) ) {
+				$url=$row->old_text;
+				@list($proto,$path)=explode('://',$url,2);
+				if ($path=="") {
+					wfProfileOut( $fname );
+					return false;
+				}
+				require_once('ExternalStore.php');
+				$row->old_text=ExternalStore::fetchFromUrl($url);
+
+			}
+			if( !in_array( 'object', $flags ) ) {
+				return false;
+			}
+
+			if( in_array( 'gzip', $flags ) ) {
+				// This shouldn't happen, but a bug in the compress script
+				// may at times gzip-compress a HistoryBlob object row.
+				$obj = unserialize( gzinflate( $row->old_text ) );
+			} else {
+				$obj = unserialize( $row->old_text );
+			}
+
+			if( !is_object( $obj ) ) {
+				// Correct for old double-serialization bug.
+				$obj = unserialize( $obj );
+			}
+
+			// Save this item for reference; if pulling many
+			// items in a row we'll likely use it again.
+			$obj->uncompress();
+			$wgBlobCache = array( $this->mOldId => $obj );
+		}
+		return $obj->getItem( $this->mHash );
+	}
+
+	/** @todo document */
+	function getHash() {
+		return $this->mHash;
+	}
+}
+
+
+/**
+ * To speed up conversion from 1.4 to 1.5 schema, text rows can refer to the
+ * leftover cur table as the backend. This avoids expensively copying hundreds
+ * of megabytes of data during the conversion downtime.
+ *
+ * Serialized HistoryBlobCurStub objects will be inserted into the text table
+ * on conversion if $wgFastSchemaUpgrades is set to true.
+ *
+ * @package MediaWiki
+ */
+class HistoryBlobCurStub {
+	var $mCurId;
+
+	/** @todo document */
+	function HistoryBlobCurStub( $curid = 0 ) {
+		$this->mCurId = $curid;
+	}
+
+	/**
+	 * Sets the location (cur_id) of the main object to which this object
+	 * points
+	 */
+	function setLocation( $id ) {
+		$this->mCurId = $id;
+	}
+
+	/** @todo document */
+	function getText() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$row = $dbr->selectRow( 'cur', array( 'cur_text' ), array( 'cur_id' => $this->mCurId ) );
+		if( !$row ) {
+			return false;
+		}
+		return $row->cur_text;
+	}
+}
+
+
+?>
diff --git a/includes/Hooks.php b/includes/Hooks.php
new file mode 100644
index 00000000..4daffaf3
--- /dev/null
+++ b/includes/Hooks.php
@@ -0,0 +1,131 @@
+<?php
+/**
+ * Hooks.php -- a tool for running hook functions
+ * Copyright 2004, 2005 Evan Prodromou <evan@wikitravel.org>.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * @author Evan Prodromou <evan@wikitravel.org>
+ * @package MediaWiki
+ * @see hooks.txt
+ */
+
+
+/**
+ * Because programmers assign to $wgHooks, we need to be very
+ * careful about its contents. So, there's a lot more error-checking
+ * in here than would normally be necessary.
+ */
+function wfRunHooks($event, $args = null) {
+
+	global $wgHooks;
+	$fname = 'wfRunHooks';
+
+	if (!is_array($wgHooks)) {
+		throw new MWException("Global hooks array is not an array!\n");
+		return false;
+	}
+
+	if (!array_key_exists($event, $wgHooks)) {
+		return true;
+	}
+
+	if (!is_array($wgHooks[$event])) {
+		throw new MWException("Hooks array for event '$event' is not an array!\n");
+		return false;
+	}
+
+	foreach ($wgHooks[$event] as $index => $hook) {
+
+		$object = NULL;
+		$method = NULL;
+		$func = NULL;
+		$data = NULL;
+		$have_data = false;
+
+		/* $hook can be: a function, an object, an array of $function and $data,
+		 * an array of just a function, an array of object and method, or an
+		 * array of object, method, and data.
+		 */
+
+		if (is_array($hook)) {
+			if (count($hook) < 1) {
+				throw new MWException("Empty array in hooks for " . $event . "\n");
+			} else if (is_object($hook[0])) {
+				$object =& $wgHooks[$event][$index][0];
+				if (count($hook) < 2) {
+					$method = "on" . $event;
+				} else {
+					$method = $hook[1];
+					if (count($hook) > 2) {
+						$data = $hook[2];
+						$have_data = true;
+					}
+				}
+			} else if (is_string($hook[0])) {
+				$func = $hook[0];
+				if (count($hook) > 1) {
+					$data = $hook[1];
+					$have_data = true;
+				}
+			} else {
+				var_dump( $wgHooks );
+				throw new MWException("Unknown datatype in hooks for " . $event . "\n");
+			}
+		} else if (is_string($hook)) { # functions look like strings, too
+			$func = $hook;
+		} else if (is_object($hook)) {
+			$object =& $wgHooks[$event][$index];
+			$method = "on" . $event;
+		} else {
+			throw new MWException("Unknown datatype in hooks for " . $event . "\n");
+		}
+
+		/* We put the first data element on, if needed. */
+
+		if ($have_data) {
+			$hook_args = array_merge(array($data), $args);
+		} else {
+			$hook_args = $args;
+		}
+
+
+		if ( isset( $object ) ) {
+			$func = get_class( $object ) . '::' . $method;
+		}
+
+		/* Call the hook. */
+		wfProfileIn( $func );
+		if( isset( $object ) ) {
+			$retval = call_user_func_array(array(&$object, $method), $hook_args);
+		} else {
+			$retval = call_user_func_array($func, $hook_args);
+		}
+		wfProfileOut( $func );
+
+		/* String return is an error; false return means stop processing. */
+
+		if (is_string($retval)) {
+			global $wgOut;
+			$wgOut->showFatalError($retval);
+			return false;
+		} else if (!$retval) {
+			return false;
+		}
+	}
+
+	return true;
+}
+?>
diff --git a/includes/HttpFunctions.php b/includes/HttpFunctions.php
new file mode 100644
index 00000000..a9fb13ca
--- /dev/null
+++ b/includes/HttpFunctions.php
@@ -0,0 +1,91 @@
+<?php
+
+/**
+ * Various HTTP related functions
+ */
+class Http {
+	/**
+	 * Get the contents of a file by HTTP
+	 *
+	 * if $timeout is 'default', $wgHTTPTimeout is used
+	 */
+	static function get( $url, $timeout = 'default' ) {
+		global $wgHTTPTimeout, $wgHTTPProxy, $wgVersion, $wgTitle;
+
+		# Use curl if available
+		if ( function_exists( 'curl_init' ) ) {
+			$c = curl_init( $url );
+			if ( wfIsLocalURL( $url ) ) {
+				curl_setopt( $c, CURLOPT_PROXY, 'localhost:80' );
+			} else if ($wgHTTPProxy) {
+				curl_setopt($c, CURLOPT_PROXY, $wgHTTPProxy);
+			}
+
+			if ( $timeout == 'default' ) {
+				$timeout = $wgHTTPTimeout;
+			}
+			curl_setopt( $c, CURLOPT_TIMEOUT, $timeout );
+			curl_setopt( $c, CURLOPT_USERAGENT, "MediaWiki/$wgVersion" );
+
+			# Set the referer to $wgTitle, even in command-line mode
+			# This is useful for interwiki transclusion, where the foreign
+			# server wants to know what the referring page is.
+			# $_SERVER['REQUEST_URI'] gives a less reliable indication of the
+			# referring page.
+			if ( is_object( $wgTitle ) ) {
+				curl_setopt( $c, CURLOPT_REFERER, $wgTitle->getFullURL() );
+			}
+
+			ob_start();
+			curl_exec( $c );
+			$text = ob_get_contents();
+			ob_end_clean();
+
+			# Don't return the text of error messages, return false on error
+			if ( curl_getinfo( $c, CURLINFO_HTTP_CODE ) != 200 ) {
+				$text = false;
+			}
+			curl_close( $c );
+		} else {
+			# Otherwise use file_get_contents, or its compatibility function from GlobalFunctions.php
+			# This may take 3 minutes to time out, and doesn't have local fetch capabilities
+			$url_fopen = ini_set( 'allow_url_fopen', 1 );
+			$text = file_get_contents( $url );
+			ini_set( 'allow_url_fopen', $url_fopen );
+		}
+		return $text;
+	}
+
+	/**
+	 * Check if the URL can be served by localhost
+	 */
+	static function isLocalURL( $url ) {
+		global $wgCommandLineMode, $wgConf;
+		if ( $wgCommandLineMode ) {
+			return false;
+		}
+
+		// Extract host part
+		$matches = array();
+		if ( preg_match( '!^http://([\w.-]+)[/:].*$!', $url, $matches ) ) {
+			$host = $matches[1];
+			// Split up dotwise
+			$domainParts = explode( '.', $host );
+			// Check if this domain or any superdomain is listed in $wgConf as a local virtual host
+			$domainParts = array_reverse( $domainParts );
+			for ( $i = 0; $i < count( $domainParts ); $i++ ) {
+				$domainPart = $domainParts[$i];
+				if ( $i == 0 ) {
+					$domain = $domainPart;
+				} else {
+					$domain = $domainPart . '.' . $domain;
+				}
+				if ( $wgConf->isLocalVHost( $domain ) ) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+}
+?>
diff --git a/includes/Image.php b/includes/Image.php
new file mode 100644
index 00000000..185d732a
--- /dev/null
+++ b/includes/Image.php
@@ -0,0 +1,2265 @@
+<?php
+/**
+ * @package MediaWiki
+ */
+
+/**
+ * NOTE FOR WINDOWS USERS:
+ * To enable EXIF functions, add the folloing lines to the
+ * "Windows extensions" section of php.ini:
+ *
+ * extension=extensions/php_mbstring.dll
+ * extension=extensions/php_exif.dll
+ */
+
+/**
+ * Bump this number when serialized cache records may be incompatible.
+ */
+define( 'MW_IMAGE_VERSION', 1 );
+
+/**
+ * Class to represent an image
+ *
+ * Provides methods to retrieve paths (physical, logical, URL),
+ * to generate thumbnails or for uploading.
+ * @package MediaWiki
+ */
+class Image
+{
+	/**#@+
+	 * @private
+	 */
+	var	$name,          # name of the image (constructor)
+		$imagePath,     # Path of the image (loadFromXxx)
+		$url,           # Image URL (accessor)
+		$title,         # Title object for this image (constructor)
+		$fileExists,    # does the image file exist on disk? (loadFromXxx)
+		$fromSharedDirectory, # load this image from $wgSharedUploadDirectory (loadFromXxx)
+		$historyLine,	# Number of line to return by nextHistoryLine() (constructor)
+		$historyRes,	# result of the query for the image's history (nextHistoryLine)
+		$width,         # \
+		$height,        #  |
+		$bits,          #   --- returned by getimagesize (loadFromXxx)
+		$attr,          # /
+		$type,          # MEDIATYPE_xxx (bitmap, drawing, audio...)
+		$mime,          # MIME type, determined by MimeMagic::guessMimeType
+		$size,          # Size in bytes (loadFromXxx)
+		$metadata,      # Metadata
+		$dataLoaded,    # Whether or not all this has been loaded from the database (loadFromXxx)
+		$lastError;     # Error string associated with a thumbnail display error
+
+
+	/**#@-*/
+
+	/**
+	 * Create an Image object from an image name
+	 *
+	 * @param string $name name of the image, used to create a title object using Title::makeTitleSafe
+	 * @public
+	 */
+	function newFromName( $name ) {
+		$title = Title::makeTitleSafe( NS_IMAGE, $name );
+		if ( is_object( $title ) ) {
+			return new Image( $title );
+		} else {
+			return NULL;
+		}
+	}
+
+	/**
+	 * Obsolete factory function, use constructor
+	 * @deprecated
+	 */
+	function newFromTitle( $title ) {
+		return new Image( $title );
+	}
+
+	function Image( $title ) {
+		if( !is_object( $title ) ) {
+			throw new MWException( 'Image constructor given bogus title.' );
+		}
+		$this->title =& $title;
+		$this->name = $title->getDBkey();
+		$this->metadata = serialize ( array() ) ;
+
+		$n = strrpos( $this->name, '.' );
+		$this->extension = Image::normalizeExtension( $n ?
+			substr( $this->name, $n + 1 ) : '' );
+		$this->historyLine = 0;
+
+		$this->dataLoaded = false;
+	}
+
+	
+	/**
+	 * Normalize a file extension to the common form, and ensure it's clean.
+	 * Extensions with non-alphanumeric characters will be discarded.
+	 *
+	 * @param $ext string (without the .)
+	 * @return string
+	 */
+	static function normalizeExtension( $ext ) {
+		$lower = strtolower( $ext );
+		$squish = array(
+			'htm' => 'html',
+			'jpeg' => 'jpg',
+			'mpeg' => 'mpg',
+			'tiff' => 'tif' );
+		if( isset( $squish[$lower] ) ) {
+			return $squish[$lower];
+		} elseif( preg_match( '/^[0-9a-z]+$/', $lower ) ) {
+			return $lower;
+		} else {
+			return '';
+		}
+	}
+	
+	/**
+	 * Get the memcached keys
+	 * Returns an array, first element is the local cache key, second is the shared cache key, if there is one
+	 */
+	function getCacheKeys( ) {
+		global $wgDBname, $wgUseSharedUploads, $wgSharedUploadDBname, $wgCacheSharedUploads;
+
+		$hashedName = md5($this->name);
+		$keys = array( "$wgDBname:Image:$hashedName" );
+		if ( $wgUseSharedUploads && $wgSharedUploadDBname && $wgCacheSharedUploads ) {
+			$keys[] = "$wgSharedUploadDBname:Image:$hashedName";
+		}
+		return $keys;
+	}
+
+	/**
+	 * Try to load image metadata from memcached. Returns true on success.
+	 */
+	function loadFromCache() {
+		global $wgUseSharedUploads, $wgMemc;
+		wfProfileIn( __METHOD__ );
+		$this->dataLoaded = false;
+		$keys = $this->getCacheKeys();
+		$cachedValues = $wgMemc->get( $keys[0] );
+
+		// Check if the key existed and belongs to this version of MediaWiki
+		if (!empty($cachedValues) && is_array($cachedValues)
+		  && isset($cachedValues['version']) && ( $cachedValues['version'] == MW_IMAGE_VERSION )
+		  && $cachedValues['fileExists'] && isset( $cachedValues['mime'] ) && isset( $cachedValues['metadata'] ) )
+		{
+			if ( $wgUseSharedUploads && $cachedValues['fromShared']) {
+				# if this is shared file, we need to check if image
+				# in shared repository has not changed
+				if ( isset( $keys[1] ) ) {
+					$commonsCachedValues = $wgMemc->get( $keys[1] );
+					if (!empty($commonsCachedValues) && is_array($commonsCachedValues)
+					  && isset($commonsCachedValues['version'])
+					  && ( $commonsCachedValues['version'] == MW_IMAGE_VERSION )
+					  && isset($commonsCachedValues['mime'])) {
+						wfDebug( "Pulling image metadata from shared repository cache\n" );
+						$this->name = $commonsCachedValues['name'];
+						$this->imagePath = $commonsCachedValues['imagePath'];
+						$this->fileExists = $commonsCachedValues['fileExists'];
+						$this->width = $commonsCachedValues['width'];
+						$this->height = $commonsCachedValues['height'];
+						$this->bits = $commonsCachedValues['bits'];
+						$this->type = $commonsCachedValues['type'];
+						$this->mime = $commonsCachedValues['mime'];
+						$this->metadata = $commonsCachedValues['metadata'];
+						$this->size = $commonsCachedValues['size'];
+						$this->fromSharedDirectory = true;
+						$this->dataLoaded = true;
+						$this->imagePath = $this->getFullPath(true);
+					}
+				}
+			} else {
+				wfDebug( "Pulling image metadata from local cache\n" );
+				$this->name = $cachedValues['name'];
+				$this->imagePath = $cachedValues['imagePath'];
+				$this->fileExists = $cachedValues['fileExists'];
+				$this->width = $cachedValues['width'];
+				$this->height = $cachedValues['height'];
+				$this->bits = $cachedValues['bits'];
+				$this->type = $cachedValues['type'];
+				$this->mime = $cachedValues['mime'];
+				$this->metadata = $cachedValues['metadata'];
+				$this->size = $cachedValues['size'];
+				$this->fromSharedDirectory = false;
+				$this->dataLoaded = true;
+				$this->imagePath = $this->getFullPath();
+			}
+		}
+		if ( $this->dataLoaded ) {
+			wfIncrStats( 'image_cache_hit' );
+		} else {
+			wfIncrStats( 'image_cache_miss' );
+		}
+
+		wfProfileOut( __METHOD__ );
+		return $this->dataLoaded;
+	}
+
+	/**
+	 * Save the image metadata to memcached
+	 */
+	function saveToCache() {
+		global $wgMemc;
+		$this->load();
+		$keys = $this->getCacheKeys();
+		if ( $this->fileExists ) {
+			// We can't cache negative metadata for non-existent files,
+			// because if the file later appears in commons, the local
+			// keys won't be purged.
+			$cachedValues = array(
+				'version'    => MW_IMAGE_VERSION,
+				'name'       => $this->name,
+				'imagePath'  => $this->imagePath,
+				'fileExists' => $this->fileExists,
+				'fromShared' => $this->fromSharedDirectory,
+				'width'      => $this->width,
+				'height'     => $this->height,
+				'bits'       => $this->bits,
+				'type'       => $this->type,
+				'mime'       => $this->mime,
+				'metadata'   => $this->metadata,
+				'size'       => $this->size );
+
+			$wgMemc->set( $keys[0], $cachedValues, 60 * 60 * 24 * 7 ); // A week
+		} else {
+			// However we should clear them, so they aren't leftover
+			// if we've deleted the file.
+			$wgMemc->delete( $keys[0] );
+		}
+	}
+
+	/**
+	 * Load metadata from the file itself
+	 */
+	function loadFromFile() {
+		global $wgUseSharedUploads, $wgSharedUploadDirectory, $wgContLang, $wgShowEXIF;
+		wfProfileIn( __METHOD__ );
+		$this->imagePath = $this->getFullPath();
+		$this->fileExists = file_exists( $this->imagePath );
+		$this->fromSharedDirectory = false;
+		$gis = array();
+
+		if (!$this->fileExists) wfDebug(__METHOD__.': '.$this->imagePath." not found locally!\n");
+
+		# If the file is not found, and a shared upload directory is used, look for it there.
+		if (!$this->fileExists && $wgUseSharedUploads && $wgSharedUploadDirectory) {
+			# In case we're on a wgCapitalLinks=false wiki, we
+			# capitalize the first letter of the filename before
+			# looking it up in the shared repository.
+			$sharedImage = Image::newFromName( $wgContLang->ucfirst($this->name) );
+			$this->fileExists = $sharedImage && file_exists( $sharedImage->getFullPath(true) );
+			if ( $this->fileExists ) {
+				$this->name = $sharedImage->name;
+				$this->imagePath = $this->getFullPath(true);
+				$this->fromSharedDirectory = true;
+			}
+		}
+
+
+		if ( $this->fileExists ) {
+			$magic=& wfGetMimeMagic();
+
+			$this->mime = $magic->guessMimeType($this->imagePath,true);
+			$this->type = $magic->getMediaType($this->imagePath,$this->mime);
+
+			# Get size in bytes
+			$this->size = filesize( $this->imagePath );
+
+			$magic=& wfGetMimeMagic();
+
+			# Height and width
+			wfSuppressWarnings();
+			if( $this->mime == 'image/svg' ) {
+				$gis = wfGetSVGsize( $this->imagePath );
+			} elseif( $this->mime == 'image/vnd.djvu' ) {
+				$deja = new DjVuImage( $this->imagePath );
+				$gis = $deja->getImageSize();
+			} elseif ( !$magic->isPHPImageType( $this->mime ) ) {
+				# Don't try to get the width and height of sound and video files, that's bad for performance
+				$gis = false;
+			} else {
+				$gis = getimagesize( $this->imagePath );
+			}
+			wfRestoreWarnings();
+
+			wfDebug(__METHOD__.': '.$this->imagePath." loaded, ".$this->size." bytes, ".$this->mime.".\n");
+		}
+		else {
+			$this->mime = NULL;
+			$this->type = MEDIATYPE_UNKNOWN;
+			wfDebug(__METHOD__.': '.$this->imagePath." NOT FOUND!\n");
+		}
+
+		if( $gis ) {
+			$this->width = $gis[0];
+			$this->height = $gis[1];
+		} else {
+			$this->width = 0;
+			$this->height = 0;
+		}
+
+		#NOTE: $gis[2] contains a code for the image type. This is no longer used.
+
+		#NOTE: we have to set this flag early to avoid load() to be called
+		# be some of the functions below. This may lead to recursion or other bad things!
+		# as ther's only one thread of execution, this should be safe anyway.
+		$this->dataLoaded = true;
+
+
+		$this->metadata = serialize( $this->retrieveExifData( $this->imagePath ) );
+
+		if ( isset( $gis['bits'] ) )  $this->bits = $gis['bits'];
+		else $this->bits = 0;
+
+		wfProfileOut( __METHOD__ );
+	}
+
+	/**
+	 * Load image metadata from the DB
+	 */
+	function loadFromDB() {
+		global $wgUseSharedUploads, $wgSharedUploadDBname, $wgSharedUploadDBprefix, $wgContLang;
+		wfProfileIn( __METHOD__ );
+
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		$this->checkDBSchema($dbr);
+
+		$row = $dbr->selectRow( 'image',
+			array( 'img_size', 'img_width', 'img_height', 'img_bits',
+			       'img_media_type', 'img_major_mime', 'img_minor_mime', 'img_metadata' ),
+			array( 'img_name' => $this->name ), __METHOD__ );
+		if ( $row ) {
+			$this->fromSharedDirectory = false;
+			$this->fileExists = true;
+			$this->loadFromRow( $row );
+			$this->imagePath = $this->getFullPath();
+			// Check for rows from a previous schema, quietly upgrade them
+			if ( is_null($this->type) ) {
+				$this->upgradeRow();
+			}
+		} elseif ( $wgUseSharedUploads && $wgSharedUploadDBname ) {
+			# In case we're on a wgCapitalLinks=false wiki, we
+			# capitalize the first letter of the filename before
+			# looking it up in the shared repository.
+			$name = $wgContLang->ucfirst($this->name);
+			$dbc =& wfGetDB( DB_SLAVE, 'commons' );
+
+			$row = $dbc->selectRow( "`$wgSharedUploadDBname`.{$wgSharedUploadDBprefix}image",
+				array(
+					'img_size', 'img_width', 'img_height', 'img_bits',
+					'img_media_type', 'img_major_mime', 'img_minor_mime', 'img_metadata' ),
+				array( 'img_name' => $name ), __METHOD__ );
+			if ( $row ) {
+				$this->fromSharedDirectory = true;
+				$this->fileExists = true;
+				$this->imagePath = $this->getFullPath(true);
+				$this->name = $name;
+				$this->loadFromRow( $row );
+
+				// Check for rows from a previous schema, quietly upgrade them
+				if ( is_null($this->type) ) {
+					$this->upgradeRow();
+				}
+			}
+		}
+
+		if ( !$row ) {
+			$this->size = 0;
+			$this->width = 0;
+			$this->height = 0;
+			$this->bits = 0;
+			$this->type = 0;
+			$this->fileExists = false;
+			$this->fromSharedDirectory = false;
+			$this->metadata = serialize ( array() ) ;
+		}
+
+		# Unconditionally set loaded=true, we don't want the accessors constantly rechecking
+		$this->dataLoaded = true;
+		wfProfileOut( __METHOD__ );
+	}
+
+	/*
+	 * Load image metadata from a DB result row
+	 */
+	function loadFromRow( &$row ) {
+		$this->size = $row->img_size;
+		$this->width = $row->img_width;
+		$this->height = $row->img_height;
+		$this->bits = $row->img_bits;
+		$this->type = $row->img_media_type;
+
+		$major= $row->img_major_mime;
+		$minor= $row->img_minor_mime;
+
+		if (!$major) $this->mime = "unknown/unknown";
+		else {
+			if (!$minor) $minor= "unknown";
+			$this->mime = $major.'/'.$minor;
+		}
+
+		$this->metadata = $row->img_metadata;
+		if ( $this->metadata == "" ) $this->metadata = serialize ( array() ) ;
+
+		$this->dataLoaded = true;
+	}
+
+	/**
+	 * Load image metadata from cache or DB, unless already loaded
+	 */
+	function load() {
+		global $wgSharedUploadDBname, $wgUseSharedUploads;
+		if ( !$this->dataLoaded ) {
+			if ( !$this->loadFromCache() ) {
+				$this->loadFromDB();
+				if ( !$wgSharedUploadDBname && $wgUseSharedUploads ) {
+					$this->loadFromFile();
+				} elseif ( $this->fileExists ) {
+					$this->saveToCache();
+				}
+			}
+			$this->dataLoaded = true;
+		}
+	}
+
+	/**
+	 * Metadata was loaded from the database, but the row had a marker indicating it needs to be
+	 * upgraded from the 1.4 schema, which had no width, height, bits or type. Upgrade the row.
+	 */
+	function upgradeRow() {
+		global $wgDBname, $wgSharedUploadDBname;
+		wfProfileIn( __METHOD__ );
+
+		$this->loadFromFile();
+
+		if ( $this->fromSharedDirectory ) {
+			if ( !$wgSharedUploadDBname ) {
+				wfProfileOut( __METHOD__ );
+				return;
+			}
+
+			// Write to the other DB using selectDB, not database selectors
+			// This avoids breaking replication in MySQL
+			$dbw =& wfGetDB( DB_MASTER, 'commons' );
+			$dbw->selectDB( $wgSharedUploadDBname );
+		} else {
+			$dbw =& wfGetDB( DB_MASTER );
+		}
+
+		$this->checkDBSchema($dbw);
+
+		list( $major, $minor ) = self::splitMime( $this->mime );
+
+		wfDebug(__METHOD__.': upgrading '.$this->name." to 1.5 schema\n");
+
+		$dbw->update( 'image',
+			array(
+				'img_width' => $this->width,
+				'img_height' => $this->height,
+				'img_bits' => $this->bits,
+				'img_media_type' => $this->type,
+				'img_major_mime' => $major,
+				'img_minor_mime' => $minor,
+				'img_metadata' => $this->metadata,
+			), array( 'img_name' => $this->name ), __METHOD__
+		);
+		if ( $this->fromSharedDirectory ) {
+			$dbw->selectDB( $wgDBname );
+		}
+		wfProfileOut( __METHOD__ );
+	}
+	
+	/**
+	 * Split an internet media type into its two components; if not
+	 * a two-part name, set the minor type to 'unknown'.
+	 *
+	 * @param $mime "text/html" etc
+	 * @return array ("text", "html") etc
+	 */
+	static function splitMime( $mime ) {
+		if( strpos( $mime, '/' ) !== false ) {
+			return explode( '/', $mime, 2 );
+		} else {
+			return array( $mime, 'unknown' );
+		}
+	}
+
+	/**
+	 * Return the name of this image
+	 * @public
+	 */
+	function getName() {
+		return $this->name;
+	}
+
+	/**
+	 * Return the associated title object
+	 * @public
+	 */
+	function getTitle() {
+		return $this->title;
+	}
+
+	/**
+	 * Return the URL of the image file
+	 * @public
+	 */
+	function getURL() {
+		if ( !$this->url ) {
+			$this->load();
+			if($this->fileExists) {
+				$this->url = Image::imageUrl( $this->name, $this->fromSharedDirectory );
+			} else {
+				$this->url = '';
+			}
+		}
+		return $this->url;
+	}
+
+	function getViewURL() {
+		if( $this->mustRender()) {
+			if( $this->canRender() ) {
+				return $this->createThumb( $this->getWidth() );
+			}
+			else {
+				wfDebug('Image::getViewURL(): supposed to render '.$this->name.' ('.$this->mime."), but can't!\n");
+				return $this->getURL(); #hm... return NULL?
+			}
+		} else {
+			return $this->getURL();
+		}
+	}
+
+	/**
+	 * Return the image path of the image in the
+	 * local file system as an absolute path
+	 * @public
+	 */
+	function getImagePath() {
+		$this->load();
+		return $this->imagePath;
+	}
+
+	/**
+	 * Return the width of the image
+	 *
+	 * Returns -1 if the file specified is not a known image type
+	 * @public
+	 */
+	function getWidth() {
+		$this->load();
+		return $this->width;
+	}
+
+	/**
+	 * Return the height of the image
+	 *
+	 * Returns -1 if the file specified is not a known image type
+	 * @public
+	 */
+	function getHeight() {
+		$this->load();
+		return $this->height;
+	}
+
+	/**
+	 * Return the size of the image file, in bytes
+	 * @public
+	 */
+	function getSize() {
+		$this->load();
+		return $this->size;
+	}
+
+	/**
+	 * Returns the mime type of the file.
+	 */
+	function getMimeType() {
+		$this->load();
+		return $this->mime;
+	}
+
+	/**
+	 * Return the type of the media in the file.
+	 * Use the value returned by this function with the MEDIATYPE_xxx constants.
+	 */
+	function getMediaType() {
+		$this->load();
+		return $this->type;
+	}
+
+	/**
+	 * Checks if the file can be presented to the browser as a bitmap.
+	 *
+	 * Currently, this checks if the file is an image format
+	 * that can be converted to a format
+	 * supported by all browsers (namely GIF, PNG and JPEG),
+	 * or if it is an SVG image and SVG conversion is enabled.
+	 *
+	 * @todo remember the result of this check.
+	 */
+	function canRender() {
+		global $wgUseImageMagick;
+
+		if( $this->getWidth()<=0 || $this->getHeight()<=0 ) return false;
+
+		$mime= $this->getMimeType();
+
+		if (!$mime || $mime==='unknown' || $mime==='unknown/unknown') return false;
+
+		#if it's SVG, check if there's a converter enabled
+		if ($mime === 'image/svg') {
+			global $wgSVGConverters, $wgSVGConverter;
+
+			if ($wgSVGConverter && isset( $wgSVGConverters[$wgSVGConverter])) {
+				wfDebug( "Image::canRender: SVG is ready!\n" );
+				return true;
+			} else {
+				wfDebug( "Image::canRender: SVG renderer missing\n" );
+			}
+		}
+
+		#image formats available on ALL browsers
+		if (  $mime === 'image/gif'
+		   || $mime === 'image/png'
+		   || $mime === 'image/jpeg' ) return true;
+
+		#image formats that can be converted to the above formats
+		if ($wgUseImageMagick) {
+			#convertable by ImageMagick (there are more...)
+			if ( $mime === 'image/vnd.wap.wbmp'
+			  || $mime === 'image/x-xbitmap'
+			  || $mime === 'image/x-xpixmap'
+			  #|| $mime === 'image/x-icon'   #file may be split into multiple parts
+			  || $mime === 'image/x-portable-anymap'
+			  || $mime === 'image/x-portable-bitmap'
+			  || $mime === 'image/x-portable-graymap'
+			  || $mime === 'image/x-portable-pixmap'
+			  #|| $mime === 'image/x-photoshop'  #this takes a lot of CPU and RAM!
+			  || $mime === 'image/x-rgb'
+			  || $mime === 'image/x-bmp'
+			  || $mime === 'image/tiff' ) return true;
+		}
+		else {
+			#convertable by the PHP GD image lib
+			if ( $mime === 'image/vnd.wap.wbmp'
+			  || $mime === 'image/x-xbitmap' ) return true;
+		}
+
+		return false;
+	}
+
+
+	/**
+	 * Return true if the file is of a type that can't be directly
+	 * rendered by typical browsers and needs to be re-rasterized.
+	 *
+	 * This returns true for everything but the bitmap types
+	 * supported by all browsers, i.e. JPEG; GIF and PNG. It will
+	 * also return true for any non-image formats.
+	 *
+	 * @return bool
+	 */
+	function mustRender() {
+		$mime= $this->getMimeType();
+
+		if (  $mime === "image/gif"
+		   || $mime === "image/png"
+		   || $mime === "image/jpeg" ) return false;
+
+		return true;
+	}
+
+	/**
+	 * Determines if this media file may be shown inline on a page.
+	 *
+	 * This is currently synonymous to canRender(), but this could be
+	 * extended to also allow inline display of other media,
+	 * like flash animations or videos. If you do so, please keep in mind that
+	 * that could be a security risk.
+	 */
+	function allowInlineDisplay() {
+		return $this->canRender();
+	}
+
+	/**
+	 * Determines if this media file is in a format that is unlikely to
+	 * contain viruses or malicious content. It uses the global
+	 * $wgTrustedMediaFormats list to determine if the file is safe.
+	 *
+	 * This is used to show a warning on the description page of non-safe files.
+	 * It may also be used to disallow direct [[media:...]] links to such files.
+	 *
+	 * Note that this function will always return true if allowInlineDisplay()
+	 * or isTrustedFile() is true for this file.
+	 */
+	function isSafeFile() {
+		if ($this->allowInlineDisplay()) return true;
+		if ($this->isTrustedFile()) return true;
+
+		global $wgTrustedMediaFormats;
+
+		$type= $this->getMediaType();
+		$mime= $this->getMimeType();
+		#wfDebug("Image::isSafeFile: type= $type, mime= $mime\n");
+
+		if (!$type || $type===MEDIATYPE_UNKNOWN) return false; #unknown type, not trusted
+		if ( in_array( $type, $wgTrustedMediaFormats) ) return true;
+
+		if ($mime==="unknown/unknown") return false; #unknown type, not trusted
+		if ( in_array( $mime, $wgTrustedMediaFormats) ) return true;
+
+		return false;
+	}
+
+	/** Returns true if the file is flagged as trusted. Files flagged that way
+	* can be linked to directly, even if that is not allowed for this type of
+	* file normally.
+	*
+	* This is a dummy function right now and always returns false. It could be
+	* implemented to extract a flag from the database. The trusted flag could be
+	* set on upload, if the user has sufficient privileges, to bypass script-
+	* and html-filters. It may even be coupled with cryptographics signatures
+	* or such.
+	*/
+	function isTrustedFile() {
+		#this could be implemented to check a flag in the databas,
+		#look for signatures, etc
+		return false;
+	}
+
+	/**
+	 * Return the escapeLocalURL of this image
+	 * @public
+	 */
+	function getEscapeLocalURL() {
+		$this->getTitle();
+		return $this->title->escapeLocalURL();
+	}
+
+	/**
+	 * Return the escapeFullURL of this image
+	 * @public
+	 */
+	function getEscapeFullURL() {
+		$this->getTitle();
+		return $this->title->escapeFullURL();
+	}
+
+	/**
+	 * Return the URL of an image, provided its name.
+	 *
+	 * @param string $name	Name of the image, without the leading "Image:"
+	 * @param boolean $fromSharedDirectory	Should this be in $wgSharedUploadPath?
+	 * @return string URL of $name image
+	 * @public
+	 * @static
+	 */
+	function imageUrl( $name, $fromSharedDirectory = false ) {
+		global $wgUploadPath,$wgUploadBaseUrl,$wgSharedUploadPath;
+		if($fromSharedDirectory) {
+			$base = '';
+			$path = $wgSharedUploadPath;
+		} else {
+			$base = $wgUploadBaseUrl;
+			$path = $wgUploadPath;
+		}
+		$url = "{$base}{$path}" .  wfGetHashPath($name, $fromSharedDirectory) . "{$name}";
+		return wfUrlencode( $url );
+	}
+
+	/**
+	 * Returns true if the image file exists on disk.
+	 * @return boolean Whether image file exist on disk.
+	 * @public
+	 */
+	function exists() {
+		$this->load();
+		return $this->fileExists;
+	}
+
+	/**
+	 * @todo document
+	 * @private
+	 */
+	function thumbUrl( $width, $subdir='thumb') {
+		global $wgUploadPath, $wgUploadBaseUrl, $wgSharedUploadPath;
+		global $wgSharedThumbnailScriptPath, $wgThumbnailScriptPath;
+
+		// Generate thumb.php URL if possible
+		$script = false;
+		$url = false;
+
+		if ( $this->fromSharedDirectory ) {
+			if ( $wgSharedThumbnailScriptPath ) {
+				$script = $wgSharedThumbnailScriptPath;
+			}
+		} else {
+			if ( $wgThumbnailScriptPath ) {
+				$script = $wgThumbnailScriptPath;
+			}
+		}
+		if ( $script ) {
+			$url = $script . '?f=' . urlencode( $this->name ) . '&w=' . urlencode( $width );
+			if( $this->mustRender() ) {
+				$url.= '&r=1';
+			}
+		} else {
+			$name = $this->thumbName( $width );
+			if($this->fromSharedDirectory) {
+				$base = '';
+				$path = $wgSharedUploadPath;
+			} else {
+				$base = $wgUploadBaseUrl;
+				$path = $wgUploadPath;
+			}
+			if ( Image::isHashed( $this->fromSharedDirectory ) ) {
+				$url = "{$base}{$path}/{$subdir}" .
+				wfGetHashPath($this->name, $this->fromSharedDirectory)
+				. $this->name.'/'.$name;
+				$url = wfUrlencode( $url );
+			} else {
+				$url = "{$base}{$path}/{$subdir}/{$name}";
+			}
+		}
+		return array( $script !== false, $url );
+	}
+
+	/**
+	 * Return the file name of a thumbnail of the specified width
+	 *
+	 * @param integer $width	Width of the thumbnail image
+	 * @param boolean $shared	Does the thumbnail come from the shared repository?
+	 * @private
+	 */
+	function thumbName( $width ) {
+		$thumb = $width."px-".$this->name;
+
+		if( $this->mustRender() ) {
+			if( $this->canRender() ) {
+				# Rasterize to PNG (for SVG vector images, etc)
+				$thumb .= '.png';
+			}
+			else {
+				#should we use iconThumb here to get a symbolic thumbnail?
+				#or should we fail with an internal error?
+				return NULL; //can't make bitmap
+			}
+		}
+		return $thumb;
+	}
+
+	/**
+	 * Create a thumbnail of the image having the specified width/height.
+	 * The thumbnail will not be created if the width is larger than the
+	 * image's width. Let the browser do the scaling in this case.
+	 * The thumbnail is stored on disk and is only computed if the thumbnail
+	 * file does not exist OR if it is older than the image.
+	 * Returns the URL.
+	 *
+	 * Keeps aspect ratio of original image. If both width and height are
+	 * specified, the generated image will be no bigger than width x height,
+	 * and will also have correct aspect ratio.
+	 *
+	 * @param integer $width	maximum width of the generated thumbnail
+	 * @param integer $height	maximum height of the image (optional)
+	 * @public
+	 */
+	function createThumb( $width, $height=-1 ) {
+		$thumb = $this->getThumbnail( $width, $height );
+		if( is_null( $thumb ) ) return '';
+		return $thumb->getUrl();
+	}
+
+	/**
+	 * As createThumb, but returns a ThumbnailImage object. This can
+	 * provide access to the actual file, the real size of the thumb,
+	 * and can produce a convenient <img> tag for you.
+	 *
+	 * For non-image formats, this may return a filetype-specific icon.
+	 *
+	 * @param integer $width	maximum width of the generated thumbnail
+	 * @param integer $height	maximum height of the image (optional)
+	 * @param boolean $render	True to render the thumbnail if it doesn't exist,
+	 *                       	false to just return the URL
+	 *
+	 * @return ThumbnailImage or null on failure
+	 * @public
+	 */
+	function getThumbnail( $width, $height=-1, $render = true ) {
+		wfProfileIn( __METHOD__ );
+		if ($this->canRender()) {
+			if ( $height > 0 ) {
+				$this->load();
+				if ( $width > $this->width * $height / $this->height ) {
+					$width = wfFitBoxWidth( $this->width, $this->height, $height );
+				}
+			}
+			if ( $render ) {
+				$thumb = $this->renderThumb( $width );
+			} else {
+				// Don't render, just return the URL
+				if ( $this->validateThumbParams( $width, $height ) ) {
+					if ( !$this->mustRender() && $width == $this->width && $height == $this->height ) {
+						$url = $this->getURL();
+					} else {
+						list( $isScriptUrl, $url ) = $this->thumbUrl( $width );
+					}
+					$thumb = new ThumbnailImage( $url, $width, $height );
+				} else {
+					$thumb = null;
+				}
+			}
+		} else {
+			// not a bitmap or renderable image, don't try.
+			$thumb = $this->iconThumb();
+		}
+		wfProfileOut( __METHOD__ );
+		return $thumb;
+	}
+
+	/**
+	 * @return ThumbnailImage
+	 */
+	function iconThumb() {
+		global $wgStylePath, $wgStyleDirectory;
+
+		$try = array( 'fileicon-' . $this->extension . '.png', 'fileicon.png' );
+		foreach( $try as $icon ) {
+			$path = '/common/images/icons/' . $icon;
+			$filepath = $wgStyleDirectory . $path;
+			if( file_exists( $filepath ) ) {
+				return new ThumbnailImage( $wgStylePath . $path, 120, 120 );
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Validate thumbnail parameters and fill in the correct height
+	 *
+	 * @param integer &$width Specified width (input/output)
+	 * @param integer &$height Height (output only)
+	 * @return false to indicate that an error should be returned to the user. 
+	 */
+	function validateThumbParams( &$width, &$height ) {
+		global $wgSVGMaxSize, $wgMaxImageArea;
+		
+		$this->load();
+
+		if ( ! $this->exists() )
+		{
+			# If there is no image, there will be no thumbnail
+			return false;
+		}
+		
+		$width = intval( $width );
+		
+		# Sanity check $width
+		if( $width <= 0 || $this->width <= 0) {
+			# BZZZT
+			return false;
+		}
+
+		# Don't thumbnail an image so big that it will fill hard drives and send servers into swap
+		# JPEG has the handy property of allowing thumbnailing without full decompression, so we make
+		# an exception for it.
+		if ( $this->getMediaType() == MEDIATYPE_BITMAP &&
+			$this->getMimeType() !== 'image/jpeg' &&
+			$this->width * $this->height > $wgMaxImageArea )
+		{
+			return false;
+		}
+
+		# Don't make an image bigger than the source, or wgMaxSVGSize for SVGs
+		if ( $this->mustRender() ) {
+			$width = min( $width, $wgSVGMaxSize );
+		} elseif ( $width > $this->width - 1 ) {
+			$width = $this->width;
+			$height = $this->height;
+			return true;
+		}
+
+		$height = round( $this->height * $width / $this->width );
+		return true;
+	}
+	
+	/**
+	 * Create a thumbnail of the image having the specified width.
+	 * The thumbnail will not be created if the width is larger than the
+	 * image's width. Let the browser do the scaling in this case.
+	 * The thumbnail is stored on disk and is only computed if the thumbnail
+	 * file does not exist OR if it is older than the image.
+	 * Returns an object which can return the pathname, URL, and physical
+	 * pixel size of the thumbnail -- or null on failure.
+	 *
+	 * @return ThumbnailImage or null on failure
+	 * @private
+	 */
+	function renderThumb( $width, $useScript = true ) {
+		global $wgUseSquid, $wgThumbnailEpoch;
+
+		wfProfileIn( __METHOD__ );
+
+		$this->load();
+		$height = -1;
+		if ( !$this->validateThumbParams( $width, $height ) ) {
+			# Validation error
+			wfProfileOut( __METHOD__ );
+			return null;
+		}
+
+		if ( !$this->mustRender() && $width == $this->width && $height == $this->height ) {
+			# validateThumbParams (or the user) wants us to return the unscaled image
+			$thumb = new ThumbnailImage( $this->getURL(), $width, $height );
+			wfProfileOut( __METHOD__ );
+			return $thumb;
+		}
+		
+		list( $isScriptUrl, $url ) = $this->thumbUrl( $width );
+		if ( $isScriptUrl && $useScript ) {
+			// Use thumb.php to render the image
+			$thumb = new ThumbnailImage( $url, $width, $height );
+			wfProfileOut( __METHOD__ );
+			return $thumb;
+		}
+
+		$thumbName = $this->thumbName( $width, $this->fromSharedDirectory );
+		$thumbDir = wfImageThumbDir( $this->name, $this->fromSharedDirectory );
+		$thumbPath = $thumbDir.'/'.$thumbName;
+
+		if ( is_dir( $thumbPath ) ) {
+			// Directory where file should be
+			// This happened occasionally due to broken migration code in 1.5
+			// Rename to broken-*
+			global $wgUploadDirectory;
+			for ( $i = 0; $i < 100 ; $i++ ) {
+				$broken = "$wgUploadDirectory/broken-$i-$thumbName";
+				if ( !file_exists( $broken ) ) {
+					rename( $thumbPath, $broken );
+					break;
+				}
+			}
+			// Code below will ask if it exists, and the answer is now no
+			clearstatcache();
+		}
+
+		$done = true;
+		if ( !file_exists( $thumbPath ) ||
+			filemtime( $thumbPath ) < wfTimestamp( TS_UNIX, $wgThumbnailEpoch ) ) 
+		{
+			// Create the directory if it doesn't exist
+			if ( is_file( $thumbDir ) ) {
+				// File where thumb directory should be, destroy if possible
+				@unlink( $thumbDir );
+			}
+			wfMkdirParents( $thumbDir );
+			
+			$oldThumbPath = wfDeprecatedThumbDir( $thumbName, 'thumb', $this->fromSharedDirectory ).
+				'/'.$thumbName;
+			$done = false;
+
+			// Migration from old directory structure
+			if ( is_file( $oldThumbPath ) ) {
+				if ( filemtime($oldThumbPath) >= filemtime($this->imagePath) ) {
+					if ( file_exists( $thumbPath ) ) {
+						if ( !is_dir( $thumbPath ) ) {
+							// Old image in the way of rename
+							unlink( $thumbPath );
+						} else {
+							// This should have been dealt with already
+							throw new MWException( "Directory where image should be: $thumbPath" );
+						}
+					}
+					// Rename the old image into the new location
+					rename( $oldThumbPath, $thumbPath );
+					$done = true;
+				} else {
+					unlink( $oldThumbPath );
+				}
+			}
+			if ( !$done ) {
+				$this->lastError = $this->reallyRenderThumb( $thumbPath, $width, $height );
+				if ( $this->lastError === true ) {
+					$done = true;
+				} elseif( $GLOBALS['wgIgnoreImageErrors'] ) {
+					// Log the error but output anyway.
+					// With luck it's a transitory error...
+					$done = true;
+				}
+
+				# Purge squid
+				# This has to be done after the image is updated and present for all machines on NFS,
+				# or else the old version might be stored into the squid again
+				if ( $wgUseSquid ) {
+					$urlArr = array( $url );
+					wfPurgeSquidServers($urlArr);
+				}
+			}
+		}
+
+		if ( $done ) {
+			$thumb = new ThumbnailImage( $url, $width, $height, $thumbPath );
+		} else {
+			$thumb = null;
+		}
+		wfProfileOut( __METHOD__ );
+		return $thumb;
+	} // END OF function renderThumb
+
+	/**
+	 * Really render a thumbnail
+	 * Call this only for images for which canRender() returns true.
+	 *
+	 * @param string $thumbPath Path to thumbnail
+	 * @param int $width Desired width in pixels
+	 * @param int $height Desired height in pixels
+	 * @return bool True on error, false or error string on failure.
+	 * @private
+	 */
+	function reallyRenderThumb( $thumbPath, $width, $height ) {
+		global $wgSVGConverters, $wgSVGConverter;
+		global $wgUseImageMagick, $wgImageMagickConvertCommand;
+		global $wgCustomConvertCommand;
+
+		$this->load();
+
+		$err = false;
+		$cmd = "";
+		$retval = 0;
+		
+		if( $this->mime === "image/svg" ) {
+			#Right now we have only SVG
+
+			global $wgSVGConverters, $wgSVGConverter;
+			if( isset( $wgSVGConverters[$wgSVGConverter] ) ) {
+				global $wgSVGConverterPath;
+				$cmd = str_replace(
+					array( '$path/', '$width', '$height', '$input', '$output' ),
+					array( $wgSVGConverterPath ? "$wgSVGConverterPath/" : "",
+						   intval( $width ),
+						   intval( $height ),
+						   wfEscapeShellArg( $this->imagePath ),
+						   wfEscapeShellArg( $thumbPath ) ),
+					$wgSVGConverters[$wgSVGConverter] );
+				wfProfileIn( 'rsvg' );
+				wfDebug( "reallyRenderThumb SVG: $cmd\n" );
+				$err = wfShellExec( $cmd, $retval );
+				wfProfileOut( 'rsvg' );
+			}
+		} elseif ( $wgUseImageMagick ) {
+			# use ImageMagick
+			
+			if ( $this->mime == 'image/jpeg' ) {
+				$quality = "-quality 80"; // 80%
+			} elseif ( $this->mime == 'image/png' ) {
+				$quality = "-quality 95"; // zlib 9, adaptive filtering
+			} else {
+				$quality = ''; // default
+			}
+
+			# Specify white background color, will be used for transparent images
+			# in Internet Explorer/Windows instead of default black.
+
+			# Note, we specify "-size {$width}" and NOT "-size {$width}x{$height}".
+			# It seems that ImageMagick has a bug wherein it produces thumbnails of
+			# the wrong size in the second case.
+			
+			$cmd  =  wfEscapeShellArg($wgImageMagickConvertCommand) .
+				" {$quality} -background white -size {$width} ".
+				wfEscapeShellArg($this->imagePath) .
+				// Coalesce is needed to scale animated GIFs properly (bug 1017).
+				' -coalesce ' .
+				// For the -resize option a "!" is needed to force exact size,
+				// or ImageMagick may decide your ratio is wrong and slice off
+				// a pixel.
+				" -resize " . wfEscapeShellArg( "{$width}x{$height}!" ) .
+				" -depth 8 " .
+				wfEscapeShellArg($thumbPath) . " 2>&1";
+			wfDebug("reallyRenderThumb: running ImageMagick: $cmd\n");
+			wfProfileIn( 'convert' );
+			$err = wfShellExec( $cmd, $retval );
+			wfProfileOut( 'convert' );
+		} elseif( $wgCustomConvertCommand ) {
+			# Use a custom convert command
+			# Variables: %s %d %w %h
+			$src = wfEscapeShellArg( $this->imagePath );
+			$dst = wfEscapeShellArg( $thumbPath );
+			$cmd = $wgCustomConvertCommand;
+			$cmd = str_replace( '%s', $src, str_replace( '%d', $dst, $cmd ) ); # Filenames
+			$cmd = str_replace( '%h', $height, str_replace( '%w', $width, $cmd ) ); # Size
+			wfDebug( "reallyRenderThumb: Running custom convert command $cmd\n" );
+			wfProfileIn( 'convert' );
+			$err = wfShellExec( $cmd, $retval );
+			wfProfileOut( 'convert' );
+		} else {
+			# Use PHP's builtin GD library functions.
+			#
+			# First find out what kind of file this is, and select the correct
+			# input routine for this.
+
+			$typemap = array(
+				'image/gif'          => array( 'imagecreatefromgif',  'palette',   'imagegif'  ),
+				'image/jpeg'         => array( 'imagecreatefromjpeg', 'truecolor', array( &$this, 'imageJpegWrapper' ) ),
+				'image/png'          => array( 'imagecreatefrompng',  'bits',      'imagepng'  ),
+				'image/vnd.wap.wmbp' => array( 'imagecreatefromwbmp', 'palette',   'imagewbmp'  ),
+				'image/xbm'          => array( 'imagecreatefromxbm',  'palette',   'imagexbm'  ),
+			);
+			if( !isset( $typemap[$this->mime] ) ) {
+				$err = 'Image type not supported';
+				wfDebug( "$err\n" );
+				return $err;
+			}
+			list( $loader, $colorStyle, $saveType ) = $typemap[$this->mime];
+
+			if( !function_exists( $loader ) ) {
+				$err = "Incomplete GD library configuration: missing function $loader";
+				wfDebug( "$err\n" );
+				return $err;
+			}
+			if( $colorStyle == 'palette' ) {
+				$truecolor = false;
+			} elseif( $colorStyle == 'truecolor' ) {
+				$truecolor = true;
+			} elseif( $colorStyle == 'bits' ) {
+				$truecolor = ( $this->bits > 8 );
+			}
+
+			$src_image = call_user_func( $loader, $this->imagePath );
+			if ( $truecolor ) {
+				$dst_image = imagecreatetruecolor( $width, $height );
+			} else {
+				$dst_image = imagecreate( $width, $height );
+			}
+			imagecopyresampled( $dst_image, $src_image,
+						0,0,0,0,
+						$width, $height, $this->width, $this->height );
+			call_user_func( $saveType, $dst_image, $thumbPath );
+			imagedestroy( $dst_image );
+			imagedestroy( $src_image );
+		}
+
+		#
+		# Check for zero-sized thumbnails. Those can be generated when
+		# no disk space is available or some other error occurs
+		#
+		if( file_exists( $thumbPath ) ) {
+			$thumbstat = stat( $thumbPath );
+			if( $thumbstat['size'] == 0 || $retval != 0 ) {
+				wfDebugLog( 'thumbnail',
+					sprintf( 'Removing bad %d-byte thumbnail "%s"',
+						$thumbstat['size'], $thumbPath ) );
+				unlink( $thumbPath );
+			}
+		}
+		if ( $retval != 0 ) {
+			wfDebugLog( 'thumbnail',
+				sprintf( 'thumbnail failed on %s: error %d "%s" from "%s"',
+					wfHostname(), $retval, trim($err), $cmd ) );
+			return wfMsg( 'thumbnail_error', $err );
+		} else {
+			return true;
+		}
+	}
+
+	function getLastError() {
+		return $this->lastError;
+	}
+
+	function imageJpegWrapper( $dst_image, $thumbPath ) {
+		imageinterlace( $dst_image );
+		imagejpeg( $dst_image, $thumbPath, 95 );
+	}
+
+	/**
+	 * Get all thumbnail names previously generated for this image
+	 */
+	function getThumbnails( $shared = false ) {
+		if ( Image::isHashed( $shared ) ) {
+			$this->load();
+			$files = array();
+			$dir = wfImageThumbDir( $this->name, $shared );
+
+			// This generates an error on failure, hence the @
+			$handle = @opendir( $dir );
+
+			if ( $handle ) {
+				while ( false !== ( $file = readdir($handle) ) ) {
+					if ( $file{0} != '.' ) {
+						$files[] = $file;
+					}
+				}
+				closedir( $handle );
+			}
+		} else {
+			$files = array();
+		}
+
+		return $files;
+	}
+
+	/**
+	 * Refresh metadata in memcached, but don't touch thumbnails or squid
+	 */
+	function purgeMetadataCache() {
+		clearstatcache();
+		$this->loadFromFile();
+		$this->saveToCache();
+	}
+
+	/**
+	 * Delete all previously generated thumbnails, refresh metadata in memcached and purge the squid
+	 */
+	function purgeCache( $archiveFiles = array(), $shared = false ) {
+		global $wgUseSquid;
+
+		// Refresh metadata cache
+		$this->purgeMetadataCache();
+
+		// Delete thumbnails
+		$files = $this->getThumbnails( $shared );
+		$dir = wfImageThumbDir( $this->name, $shared );
+		$urls = array();
+		foreach ( $files as $file ) {
+			if ( preg_match( '/^(\d+)px/', $file, $m ) ) {
+				$urls[] = $this->thumbUrl( $m[1], $this->fromSharedDirectory );
+				@unlink( "$dir/$file" );
+			}
+		}
+
+		// Purge the squid
+		if ( $wgUseSquid ) {
+			$urls[] = $this->getViewURL();
+			foreach ( $archiveFiles as $file ) {
+				$urls[] = wfImageArchiveUrl( $file );
+			}
+			wfPurgeSquidServers( $urls );
+		}
+	}
+	
+	/**
+	 * Purge the image description page, but don't go after
+	 * pages using the image. Use when modifying file history
+	 * but not the current data.
+	 */
+	function purgeDescription() {
+		$page = Title::makeTitle( NS_IMAGE, $this->name );
+		$page->invalidateCache();
+		$page->purgeSquid();
+	}
+	
+	/**
+	 * Purge metadata and all affected pages when the image is created,
+	 * deleted, or majorly updated. A set of additional URLs may be
+	 * passed to purge, such as specific image files which have changed.
+	 * @param $urlArray array
+	 */
+	function purgeEverything( $urlArr=array() ) {
+		// Delete thumbnails and refresh image metadata cache
+		$this->purgeCache();
+		$this->purgeDescription();
+		
+		// Purge cache of all pages using this image
+		$update = new HTMLCacheUpdate( $this->getTitle(), 'imagelinks' );
+		$update->doUpdate();
+	}
+
+	function checkDBSchema(&$db) {
+		global $wgCheckDBSchema;
+		if (!$wgCheckDBSchema) {
+			return;
+		}
+		# img_name must be unique
+		if ( !$db->indexUnique( 'image', 'img_name' ) && !$db->indexExists('image','PRIMARY') ) {
+			throw new MWException( 'Database schema not up to date, please run maintenance/archives/patch-image_name_unique.sql' );
+		}
+
+		# new fields must exist
+		# 
+		# Not really, there's hundreds of checks like this that we could do and they're all pointless, because 
+		# if the fields are missing, the database will loudly report a query error, the first time you try to do 
+		# something. The only reason I put the above schema check in was because the absence of that particular
+		# index would lead to an annoying subtle bug. No error message, just some very odd behaviour on duplicate
+		# uploads. -- TS
+		/*
+		if ( !$db->fieldExists( 'image', 'img_media_type' )
+		  || !$db->fieldExists( 'image', 'img_metadata' )
+		  || !$db->fieldExists( 'image', 'img_width' ) ) {
+
+			throw new MWException( 'Database schema not up to date, please run maintenance/update.php' );
+		 }
+		 */
+	}
+
+	/**
+	 * Return the image history of this image, line by line.
+	 * starts with current version, then old versions.
+	 * uses $this->historyLine to check which line to return:
+	 *  0      return line for current version
+	 *  1      query for old versions, return first one
+	 *  2, ... return next old version from above query
+	 *
+	 * @public
+	 */
+	function nextHistoryLine() {
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		$this->checkDBSchema($dbr);
+
+		if ( $this->historyLine == 0 ) {// called for the first time, return line from cur
+			$this->historyRes = $dbr->select( 'image',
+				array(
+					'img_size',
+					'img_description',
+					'img_user','img_user_text',
+					'img_timestamp',
+					'img_width',
+					'img_height',
+					"'' AS oi_archive_name"
+				),
+				array( 'img_name' => $this->title->getDBkey() ),
+				__METHOD__
+			);
+			if ( 0 == wfNumRows( $this->historyRes ) ) {
+				return FALSE;
+			}
+		} else if ( $this->historyLine == 1 ) {
+			$this->historyRes = $dbr->select( 'oldimage',
+				array(
+					'oi_size AS img_size',
+					'oi_description AS img_description',
+					'oi_user AS img_user',
+					'oi_user_text AS img_user_text',
+					'oi_timestamp AS img_timestamp',
+					'oi_width as img_width',
+					'oi_height as img_height',
+					'oi_archive_name'
+				),
+				array( 'oi_name' => $this->title->getDBkey() ),
+				__METHOD__,
+				array( 'ORDER BY' => 'oi_timestamp DESC' )
+			);
+		}
+		$this->historyLine ++;
+
+		return $dbr->fetchObject( $this->historyRes );
+	}
+
+	/**
+	 * Reset the history pointer to the first element of the history
+	 * @public
+	 */
+	function resetHistory() {
+		$this->historyLine = 0;
+	}
+
+	/**
+	* Return the full filesystem path to the file. Note that this does
+	* not mean that a file actually exists under that location.
+	*
+	* This path depends on whether directory hashing is active or not,
+	* i.e. whether the images are all found in the same directory,
+	* or in hashed paths like /images/3/3c.
+	*
+	* @public
+	* @param boolean $fromSharedDirectory Return the path to the file
+	*   in a shared repository (see $wgUseSharedRepository and related
+	*   options in DefaultSettings.php) instead of a local one.
+	*
+	*/
+	function getFullPath( $fromSharedRepository = false ) {
+		global $wgUploadDirectory, $wgSharedUploadDirectory;
+
+		$dir      = $fromSharedRepository ? $wgSharedUploadDirectory :
+		                                    $wgUploadDirectory;
+
+		// $wgSharedUploadDirectory may be false, if thumb.php is used
+		if ( $dir ) {
+			$fullpath = $dir . wfGetHashPath($this->name, $fromSharedRepository) . $this->name;
+		} else {
+			$fullpath = false;
+		}
+
+		return $fullpath;
+	}
+
+	/**
+	 * @return bool
+	 * @static
+	 */
+	function isHashed( $shared ) {
+		global $wgHashedUploadDirectory, $wgHashedSharedUploadDirectory;
+		return $shared ? $wgHashedSharedUploadDirectory : $wgHashedUploadDirectory;
+	}
+
+	/**
+	 * Record an image upload in the upload log and the image table
+	 */
+	function recordUpload( $oldver, $desc, $license = '', $copyStatus = '', $source = '', $watch = false ) {
+		global $wgUser, $wgUseCopyrightUpload;
+
+		$dbw =& wfGetDB( DB_MASTER );
+
+		$this->checkDBSchema($dbw);
+
+		// Delete thumbnails and refresh the metadata cache
+		$this->purgeCache();
+
+		// Fail now if the image isn't there
+		if ( !$this->fileExists || $this->fromSharedDirectory ) {
+			wfDebug( "Image::recordUpload: File ".$this->imagePath." went missing!\n" );
+			return false;
+		}
+
+		if ( $wgUseCopyrightUpload ) {
+			if ( $license != '' ) {
+				$licensetxt = '== ' . wfMsgForContent( 'license' ) . " ==\n" . '{{' . $license . '}}' . "\n";
+			}
+			$textdesc = '== ' . wfMsg ( 'filedesc' ) . " ==\n" . $desc . "\n" .
+			  '== ' . wfMsgForContent ( 'filestatus' ) . " ==\n" . $copyStatus . "\n" .
+			  "$licensetxt" .
+			  '== ' . wfMsgForContent ( 'filesource' ) . " ==\n" . $source ;
+		} else {
+			if ( $license != '' ) {
+				$filedesc = $desc == '' ? '' : '== ' . wfMsg ( 'filedesc' ) . " ==\n" . $desc . "\n";
+				 $textdesc = $filedesc .
+					 '== ' . wfMsgForContent ( 'license' ) . " ==\n" . '{{' . $license . '}}' . "\n";
+			} else {
+				$textdesc = $desc;
+			}
+		}
+
+		$now = $dbw->timestamp();
+
+		#split mime type
+		if (strpos($this->mime,'/')!==false) {
+			list($major,$minor)= explode('/',$this->mime,2);
+		}
+		else {
+			$major= $this->mime;
+			$minor= "unknown";
+		}
+
+		# Test to see if the row exists using INSERT IGNORE
+		# This avoids race conditions by locking the row until the commit, and also
+		# doesn't deadlock. SELECT FOR UPDATE causes a deadlock for every race condition.
+		$dbw->insert( 'image',
+			array(
+				'img_name' => $this->name,
+				'img_size'=> $this->size,
+				'img_width' => intval( $this->width ),
+				'img_height' => intval( $this->height ),
+				'img_bits' => $this->bits,
+				'img_media_type' => $this->type,
+				'img_major_mime' => $major,
+				'img_minor_mime' => $minor,
+				'img_timestamp' => $now,
+				'img_description' => $desc,
+				'img_user' => $wgUser->getID(),
+				'img_user_text' => $wgUser->getName(),
+				'img_metadata' => $this->metadata,
+			),
+			__METHOD__,
+			'IGNORE'
+		);
+
+		if( $dbw->affectedRows() == 0 ) {
+			# Collision, this is an update of an image
+			# Insert previous contents into oldimage
+			$dbw->insertSelect( 'oldimage', 'image',
+				array(
+					'oi_name' => 'img_name',
+					'oi_archive_name' => $dbw->addQuotes( $oldver ),
+					'oi_size' => 'img_size',
+					'oi_width' => 'img_width',
+					'oi_height' => 'img_height',
+					'oi_bits' => 'img_bits',
+					'oi_timestamp' => 'img_timestamp',
+					'oi_description' => 'img_description',
+					'oi_user' => 'img_user',
+					'oi_user_text' => 'img_user_text',
+				), array( 'img_name' => $this->name ), __METHOD__
+			);
+
+			# Update the current image row
+			$dbw->update( 'image',
+				array( /* SET */
+					'img_size' => $this->size,
+					'img_width' => intval( $this->width ),
+					'img_height' => intval( $this->height ),
+					'img_bits' => $this->bits,
+					'img_media_type' => $this->type,
+					'img_major_mime' => $major,
+					'img_minor_mime' => $minor,
+					'img_timestamp' => $now,
+					'img_description' => $desc,
+					'img_user' => $wgUser->getID(),
+					'img_user_text' => $wgUser->getName(),
+					'img_metadata' => $this->metadata,
+				), array( /* WHERE */
+					'img_name' => $this->name
+				), __METHOD__
+			);
+		} else {
+			# This is a new image
+			# Update the image count
+			$site_stats = $dbw->tableName( 'site_stats' );
+			$dbw->query( "UPDATE $site_stats SET ss_images=ss_images+1", __METHOD__ );
+		}
+
+		$descTitle = $this->getTitle();
+		$article = new Article( $descTitle );
+		$minor = false;
+		$watch = $watch || $wgUser->isWatched( $descTitle );
+		$suppressRC = true; // There's already a log entry, so don't double the RC load
+
+		if( $descTitle->exists() ) {
+			// TODO: insert a null revision into the page history for this update.
+			if( $watch ) {
+				$wgUser->addWatch( $descTitle );
+			}
+
+			# Invalidate the cache for the description page
+			$descTitle->invalidateCache();
+			$descTitle->purgeSquid();
+		} else {
+			// New image; create the description page.
+			$article->insertNewArticle( $textdesc, $desc, $minor, $watch, $suppressRC );
+		}
+
+		# Add the log entry
+		$log = new LogPage( 'upload' );
+		$log->addEntry( 'upload', $descTitle, $desc );
+
+		# Commit the transaction now, in case something goes wrong later
+		# The most important thing is that images don't get lost, especially archives
+		$dbw->immediateCommit();
+
+		# Invalidate cache for all pages using this image
+		$update = new HTMLCacheUpdate( $this->getTitle(), 'imagelinks' );
+		$update->doUpdate();
+
+		return true;
+	}
+
+	/**
+	 * Get an array of Title objects which are articles which use this image
+	 * Also adds their IDs to the link cache
+	 *
+	 * This is mostly copied from Title::getLinksTo()
+	 *
+	 * @deprecated Use HTMLCacheUpdate, this function uses too much memory
+	 */
+	function getLinksTo( $options = '' ) {
+		wfProfileIn( __METHOD__ );
+
+		if ( $options ) {
+			$db =& wfGetDB( DB_MASTER );
+		} else {
+			$db =& wfGetDB( DB_SLAVE );
+		}
+		$linkCache =& LinkCache::singleton();
+
+		extract( $db->tableNames( 'page', 'imagelinks' ) );
+		$encName = $db->addQuotes( $this->name );
+		$sql = "SELECT page_namespace,page_title,page_id FROM $page,$imagelinks WHERE page_id=il_from AND il_to=$encName $options";
+		$res = $db->query( $sql, __METHOD__ );
+
+		$retVal = array();
+		if ( $db->numRows( $res ) ) {
+			while ( $row = $db->fetchObject( $res ) ) {
+				if ( $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title ) ) {
+					$linkCache->addGoodLinkObj( $row->page_id, $titleObj );
+					$retVal[] = $titleObj;
+				}
+			}
+		}
+		$db->freeResult( $res );
+		wfProfileOut( __METHOD__ );
+		return $retVal;
+	}
+	
+	/**
+	 * Retrive Exif data from the file and prune unrecognized tags
+	 * and/or tags with invalid contents
+	 *
+	 * @param $filename
+	 * @return array
+	 */
+	private function retrieveExifData( $filename ) {
+		global $wgShowEXIF;
+		
+		/*
+		if ( $this->getMimeType() !== "image/jpeg" )
+			return array();
+		*/
+
+		if( $wgShowEXIF && file_exists( $filename ) ) {
+			$exif = new Exif( $filename );
+			return $exif->getFilteredData();
+		}
+		
+		return array();
+	}
+
+	function getExifData() {
+		global $wgRequest;
+		if ( $this->metadata === '0' )
+			return array();
+
+		$purge = $wgRequest->getVal( 'action' ) == 'purge';
+		$ret = unserialize( $this->metadata );
+
+		$oldver = isset( $ret['MEDIAWIKI_EXIF_VERSION'] ) ? $ret['MEDIAWIKI_EXIF_VERSION'] : 0;
+		$newver = Exif::version();
+
+		if ( !count( $ret ) || $purge || $oldver != $newver ) {
+			$this->purgeMetadataCache();
+			$this->updateExifData( $newver );
+		}
+		if ( isset( $ret['MEDIAWIKI_EXIF_VERSION'] ) )
+			unset( $ret['MEDIAWIKI_EXIF_VERSION'] );
+		$format = new FormatExif( $ret );
+
+		return $format->getFormattedData();
+	}
+
+	function updateExifData( $version ) {
+		if ( $this->getImagePath() === false ) # Not a local image
+			return;
+
+		# Get EXIF data from image
+		$exif = $this->retrieveExifData( $this->imagePath );
+		if ( count( $exif ) ) {
+			$exif['MEDIAWIKI_EXIF_VERSION'] = $version;
+			$this->metadata = serialize( $exif );
+		} else {
+			$this->metadata = '0';
+		}
+
+		# Update EXIF data in database
+		$dbw =& wfGetDB( DB_MASTER );
+
+		$this->checkDBSchema($dbw);
+
+		$dbw->update( 'image',
+			array( 'img_metadata' => $this->metadata ),
+			array( 'img_name' => $this->name ),
+			__METHOD__
+		);
+	}
+
+	/**
+	 * Returns true if the image does not come from the shared
+	 * image repository.
+	 *
+	 * @return bool
+	 */
+	function isLocal() {
+		return !$this->fromSharedDirectory;
+	}
+	
+	/**
+	 * Was this image ever deleted from the wiki?
+	 *
+	 * @return bool
+	 */
+	function wasDeleted() {
+		$title = Title::makeTitle( NS_IMAGE, $this->name );
+		return ( $title->isDeleted() > 0 );
+	}
+	
+	/**
+	 * Delete all versions of the image.
+	 *
+	 * Moves the files into an archive directory (or deletes them)
+	 * and removes the database rows.
+	 *
+	 * Cache purging is done; logging is caller's responsibility.
+	 *
+	 * @param $reason
+	 * @return true on success, false on some kind of failure
+	 */
+	function delete( $reason ) {
+		$transaction = new FSTransaction();
+		$urlArr = array( $this->getURL() );
+		
+		if( !FileStore::lock() ) {
+			wfDebug( __METHOD__.": failed to acquire file store lock, aborting\n" );
+			return false;
+		}
+		
+		try {
+			$dbw = wfGetDB( DB_MASTER );
+			$dbw->begin();
+			
+			// Delete old versions
+			$result = $dbw->select( 'oldimage',
+				array( 'oi_archive_name' ),
+				array( 'oi_name' => $this->name ) );
+			
+			while( $row = $dbw->fetchObject( $result ) ) {
+				$oldName = $row->oi_archive_name;
+				
+				$transaction->add( $this->prepareDeleteOld( $oldName, $reason ) );
+				
+				// We'll need to purge this URL from caches...
+				$urlArr[] = wfImageArchiveUrl( $oldName );
+			}
+			$dbw->freeResult( $result );
+			
+			// And the current version...
+			$transaction->add( $this->prepareDeleteCurrent( $reason ) );
+			
+			$dbw->immediateCommit();
+		} catch( MWException $e ) {
+			wfDebug( __METHOD__.": db error, rolling back file transactions\n" );
+			$transaction->rollback();
+			FileStore::unlock();
+			throw $e;
+		}
+		
+		wfDebug( __METHOD__.": deleted db items, applying file transactions\n" );
+		$transaction->commit();
+		FileStore::unlock();
+
+		
+		// Update site_stats
+		$site_stats = $dbw->tableName( 'site_stats' );
+		$dbw->query( "UPDATE $site_stats SET ss_images=ss_images-1", __METHOD__ );
+		
+		$this->purgeEverything( $urlArr );
+		
+		return true;
+	}
+	
+	
+	/**
+	 * Delete an old version of the image.
+	 *
+	 * Moves the file into an archive directory (or deletes it)
+	 * and removes the database row.
+	 *
+	 * Cache purging is done; logging is caller's responsibility.
+	 *
+	 * @param $reason
+	 * @throws MWException or FSException on database or filestore failure
+	 * @return true on success, false on some kind of failure
+	 */
+	function deleteOld( $archiveName, $reason ) {
+		$transaction = new FSTransaction();
+		$urlArr = array();
+		
+		if( !FileStore::lock() ) {
+			wfDebug( __METHOD__.": failed to acquire file store lock, aborting\n" );
+			return false;
+		}
+		
+		$transaction = new FSTransaction();
+		try {
+			$dbw = wfGetDB( DB_MASTER );
+			$dbw->begin();
+			$transaction->add( $this->prepareDeleteOld( $archiveName, $reason ) );
+			$dbw->immediateCommit();
+		} catch( MWException $e ) {
+			wfDebug( __METHOD__.": db error, rolling back file transaction\n" );
+			$transaction->rollback();
+			FileStore::unlock();
+			throw $e;
+		}
+		
+		wfDebug( __METHOD__.": deleted db items, applying file transaction\n" );
+		$transaction->commit();
+		FileStore::unlock();
+		
+		$this->purgeDescription();
+
+		// Squid purging
+		global $wgUseSquid;
+		if ( $wgUseSquid ) {
+			$urlArr = array(
+				wfImageArchiveUrl( $archiveName ),
+			);
+			wfPurgeSquidServers( $urlArr );
+		}
+		return true;
+	}
+	
+	/**
+	 * Delete the current version of a file.
+	 * May throw a database error.
+	 * @return true on success, false on failure
+	 */
+	private function prepareDeleteCurrent( $reason ) {
+		return $this->prepareDeleteVersion(
+			$this->getFullPath(),
+			$reason,
+			'image',
+			array(
+				'fa_name'         => 'img_name',
+				'fa_archive_name' => 'NULL',
+				'fa_size'         => 'img_size',
+				'fa_width'        => 'img_width',
+				'fa_height'       => 'img_height',
+				'fa_metadata'     => 'img_metadata',
+				'fa_bits'         => 'img_bits',
+				'fa_media_type'   => 'img_media_type',
+				'fa_major_mime'   => 'img_major_mime',
+				'fa_minor_mime'   => 'img_minor_mime',
+				'fa_description'  => 'img_description',
+				'fa_user'         => 'img_user',
+				'fa_user_text'    => 'img_user_text',
+				'fa_timestamp'    => 'img_timestamp' ),
+			array( 'img_name' => $this->name ),
+			__METHOD__ );
+	}
+
+	/**
+	 * Delete a given older version of a file.
+	 * May throw a database error.
+	 * @return true on success, false on failure
+	 */
+	private function prepareDeleteOld( $archiveName, $reason ) {
+		$oldpath = wfImageArchiveDir( $this->name ) .
+			DIRECTORY_SEPARATOR . $archiveName;
+		return $this->prepareDeleteVersion(
+			$oldpath,
+			$reason,
+			'oldimage',
+			array(
+				'fa_name'         => 'oi_name',
+				'fa_archive_name' => 'oi_archive_name',
+				'fa_size'         => 'oi_size',
+				'fa_width'        => 'oi_width',
+				'fa_height'       => 'oi_height',
+				'fa_metadata'     => 'NULL',
+				'fa_bits'         => 'oi_bits',
+				'fa_media_type'   => 'NULL',
+				'fa_major_mime'   => 'NULL',
+				'fa_minor_mime'   => 'NULL',
+				'fa_description'  => 'oi_description',
+				'fa_user'         => 'oi_user',
+				'fa_user_text'    => 'oi_user_text',
+				'fa_timestamp'    => 'oi_timestamp' ),
+			array(
+				'oi_name' => $this->name,
+				'oi_archive_name' => $archiveName ),
+			__METHOD__ );
+	}
+
+	/**
+	 * Do the dirty work of backing up an image row and its file
+	 * (if $wgSaveDeletedFiles is on) and removing the originals.
+	 *
+	 * Must be run while the file store is locked and a database
+	 * transaction is open to avoid race conditions.
+	 *
+	 * @return FSTransaction
+	 */
+	private function prepareDeleteVersion( $path, $reason, $table, $fieldMap, $where, $fname ) {
+		global $wgUser, $wgSaveDeletedFiles;
+		
+		// Dupe the file into the file store
+		if( file_exists( $path ) ) {
+			if( $wgSaveDeletedFiles ) {
+				$group = 'deleted';
+				
+				$store = FileStore::get( $group );
+				$key = FileStore::calculateKey( $path, $this->extension );
+				$transaction = $store->insert( $key, $path,
+					FileStore::DELETE_ORIGINAL );
+			} else {
+				$group = null;
+				$key = null;
+				$transaction = FileStore::deleteFile( $path );
+			}
+		} else {
+			wfDebug( __METHOD__." deleting already-missing '$path'; moving on to database\n" );
+			$group = null;
+			$key = null;
+			$transaction = new FSTransaction(); // empty
+		}
+		
+		if( $transaction === false ) {
+			// Fail to restore?
+			wfDebug( __METHOD__.": import to file store failed, aborting\n" );
+			throw new MWException( "Could not archive and delete file $path" );
+			return false;
+		}
+		
+		$dbw = wfGetDB( DB_MASTER );
+		$storageMap = array(
+			'fa_storage_group' => $dbw->addQuotes( $group ),
+			'fa_storage_key'   => $dbw->addQuotes( $key ),
+			
+			'fa_deleted_user'      => $dbw->addQuotes( $wgUser->getId() ),
+			'fa_deleted_timestamp' => $dbw->timestamp(),
+			'fa_deleted_reason'    => $dbw->addQuotes( $reason ) );
+		$allFields = array_merge( $storageMap, $fieldMap );
+		
+		try {
+			if( $wgSaveDeletedFiles ) {
+				$dbw->insertSelect( 'filearchive', $table, $allFields, $where, $fname );
+			}
+			$dbw->delete( $table, $where, $fname );
+		} catch( DBQueryError $e ) {
+			// Something went horribly wrong!
+			// Leave the file as it was...
+			wfDebug( __METHOD__.": database error, rolling back file transaction\n" );
+			$transaction->rollback();
+			throw $e;
+		}
+		
+		return $transaction;
+	}
+	
+	/**
+	 * Restore all or specified deleted revisions to the given file.
+	 * Permissions and logging are left to the caller.
+	 *
+	 * May throw database exceptions on error.
+	 *
+	 * @param $versions set of record ids of deleted items to restore,
+	 *                    or empty to restore all revisions.
+	 * @return the number of file revisions restored if successful,
+	 *         or false on failure
+	 */
+	function restore( $versions=array() ) {
+		if( !FileStore::lock() ) {
+			wfDebug( __METHOD__." could not acquire filestore lock\n" );
+			return false;
+		}
+		
+		$transaction = new FSTransaction();
+		try {
+			$dbw = wfGetDB( DB_MASTER );
+			$dbw->begin();
+			
+			// Re-confirm whether this image presently exists;
+			// if no we'll need to create an image record for the
+			// first item we restore.
+			$exists = $dbw->selectField( 'image', '1',
+				array( 'img_name' => $this->name ),
+				__METHOD__ );
+			
+			// Fetch all or selected archived revisions for the file,
+			// sorted from the most recent to the oldest.
+			$conditions = array( 'fa_name' => $this->name );
+			if( $versions ) {
+				$conditions['fa_id'] = $versions;
+			}
+			
+			$result = $dbw->select( 'filearchive', '*',
+				$conditions,
+				__METHOD__,
+				array( 'ORDER BY' => 'fa_timestamp DESC' ) );
+			
+			if( $dbw->numRows( $result ) < count( $versions ) ) {
+				// There's some kind of conflict or confusion;
+				// we can't restore everything we were asked to.
+				wfDebug( __METHOD__.": couldn't find requested items\n" );
+				$dbw->rollback();
+				FileStore::unlock();
+				return false;
+			}
+
+			if( $dbw->numRows( $result ) == 0 ) {
+				// Nothing to do.
+				wfDebug( __METHOD__.": nothing to do\n" );
+				$dbw->rollback();
+				FileStore::unlock();
+				return true;
+			}
+			
+			$revisions = 0;
+			while( $row = $dbw->fetchObject( $result ) ) {
+				$revisions++;
+				$store = FileStore::get( $row->fa_storage_group );
+				if( !$store ) {
+					wfDebug( __METHOD__.": skipping row with no file.\n" );
+					continue;
+				}
+				
+				if( $revisions == 1 && !$exists ) {
+					$destDir = wfImageDir( $row->fa_name );
+					if ( !is_dir( $destDir ) ) {
+						wfMkdirParents( $destDir );
+					}
+					$destPath = $destDir . DIRECTORY_SEPARATOR . $row->fa_name;
+					
+					// We may have to fill in data if this was originally
+					// an archived file revision.
+					if( is_null( $row->fa_metadata ) ) {
+						$tempFile = $store->filePath( $row->fa_storage_key );
+						$metadata = serialize( $this->retrieveExifData( $tempFile ) );
+						
+						$magic = wfGetMimeMagic();
+						$mime = $magic->guessMimeType( $tempFile, true );
+						$media_type = $magic->getMediaType( $tempFile, $mime );
+						list( $major_mime, $minor_mime ) = self::splitMime( $mime );
+					} else {
+						$metadata   = $row->fa_metadata;
+						$major_mime = $row->fa_major_mime;
+						$minor_mime = $row->fa_minor_mime;
+						$media_type = $row->fa_media_type;
+					}
+					
+					$table = 'image';
+					$fields = array(
+						'img_name'        => $row->fa_name,
+						'img_size'        => $row->fa_size,
+						'img_width'       => $row->fa_width,
+						'img_height'      => $row->fa_height,
+						'img_metadata'    => $metadata,
+						'img_bits'        => $row->fa_bits,
+						'img_media_type'  => $media_type,
+						'img_major_mime'  => $major_mime,
+						'img_minor_mime'  => $minor_mime,
+						'img_description' => $row->fa_description,
+						'img_user'        => $row->fa_user,
+						'img_user_text'   => $row->fa_user_text,
+						'img_timestamp'   => $row->fa_timestamp );
+				} else {
+					$archiveName = $row->fa_archive_name;
+					if( $archiveName == '' ) {
+						// This was originally a current version; we
+						// have to devise a new archive name for it.
+						// Format is <timestamp of archiving>!<name>
+						$archiveName =
+							wfTimestamp( TS_MW, $row->fa_deleted_timestamp ) .
+							'!' . $row->fa_name;
+					}
+					$destDir = wfImageArchiveDir( $row->fa_name );
+					if ( !is_dir( $destDir ) ) {
+						wfMkdirParents( $destDir );
+					}
+					$destPath = $destDir . DIRECTORY_SEPARATOR . $archiveName;
+					
+					$table = 'oldimage';
+					$fields = array(
+						'oi_name'         => $row->fa_name,
+						'oi_archive_name' => $archiveName,
+						'oi_size'         => $row->fa_size,
+						'oi_width'        => $row->fa_width,
+						'oi_height'       => $row->fa_height,
+						'oi_bits'         => $row->fa_bits,
+						'oi_description'  => $row->fa_description,
+						'oi_user'         => $row->fa_user,
+						'oi_user_text'    => $row->fa_user_text,
+						'oi_timestamp'    => $row->fa_timestamp );
+				}
+				
+				$dbw->insert( $table, $fields, __METHOD__ );
+				/// @fixme this delete is not totally safe, potentially
+				$dbw->delete( 'filearchive',
+					array( 'fa_id' => $row->fa_id ),
+					__METHOD__ );
+				
+				// Check if any other stored revisions use this file;
+				// if so, we shouldn't remove the file from the deletion
+				// archives so they will still work.
+				$useCount = $dbw->selectField( 'filearchive',
+					'COUNT(*)',
+					array(
+						'fa_storage_group' => $row->fa_storage_group,
+						'fa_storage_key'   => $row->fa_storage_key ),
+					__METHOD__ );
+				if( $useCount == 0 ) {
+					wfDebug( __METHOD__.": nothing else using {$row->fa_storage_key}, will deleting after\n" );
+					$flags = FileStore::DELETE_ORIGINAL;
+				} else {
+					$flags = 0;
+				}
+				
+				$transaction->add( $store->export( $row->fa_storage_key,
+					$destPath, $flags ) );
+			}
+			
+			$dbw->immediateCommit();
+		} catch( MWException $e ) {
+			wfDebug( __METHOD__." caught error, aborting\n" );
+			$transaction->rollback();
+			throw $e;
+		}
+		
+		$transaction->commit();
+		FileStore::unlock();
+		
+		if( $revisions > 0 ) {
+			if( !$exists ) {
+				wfDebug( __METHOD__." restored $revisions items, creating a new current\n" );
+				
+				// Update site_stats
+				$site_stats = $dbw->tableName( 'site_stats' );
+				$dbw->query( "UPDATE $site_stats SET ss_images=ss_images+1", __METHOD__ );
+				
+				$this->purgeEverything();
+			} else {
+				wfDebug( __METHOD__." restored $revisions as archived versions\n" );
+				$this->purgeDescription();
+			}
+		}
+		
+		return $revisions;
+	}
+	
+} //class
+
+/**
+ * Wrapper class for thumbnail images
+ * @package MediaWiki
+ */
+class ThumbnailImage {
+	/**
+	 * @param string $path Filesystem path to the thumb
+	 * @param string $url URL path to the thumb
+	 * @private
+	 */
+	function ThumbnailImage( $url, $width, $height, $path = false ) {
+		$this->url = $url;
+		$this->width = round( $width );
+		$this->height = round( $height );
+			# These should be integers when they get here.
+			# If not, there's a bug somewhere.  But let's at
+			# least produce valid HTML code regardless.
+		$this->path = $path;
+	}
+
+	/**
+	 * @return string The thumbnail URL
+	 */
+	function getUrl() {
+		return $this->url;
+	}
+
+	/**
+	 * Return HTML <img ... /> tag for the thumbnail, will include
+	 * width and height attributes and a blank alt text (as required).
+	 *
+	 * You can set or override additional attributes by passing an
+	 * associative array of name => data pairs. The data will be escaped
+	 * for HTML output, so should be in plaintext.
+	 *
+	 * @param array $attribs
+	 * @return string
+	 * @public
+	 */
+	function toHtml( $attribs = array() ) {
+		$attribs['src'] = $this->url;
+		$attribs['width'] = $this->width;
+		$attribs['height'] = $this->height;
+		if( !isset( $attribs['alt'] ) ) $attribs['alt'] = '';
+
+		$html = '<img ';
+		foreach( $attribs as $name => $data ) {
+			$html .= $name . '="' . htmlspecialchars( $data ) . '" ';
+		}
+		$html .= '/>';
+		return $html;
+	}
+
+}
+
+?>
diff --git a/includes/ImageFunctions.php b/includes/ImageFunctions.php
new file mode 100644
index 00000000..a66b4d79
--- /dev/null
+++ b/includes/ImageFunctions.php
@@ -0,0 +1,223 @@
+<?php

+

+/**

+ * Returns the image directory of an image

+ * The result is an absolute path.

+ *

+ * This function is called from thumb.php before Setup.php is included

+ *

+ * @param $fname String: file name of the image file.

+ * @public

+ */

+function wfImageDir( $fname ) {

+	global $wgUploadDirectory, $wgHashedUploadDirectory;

+

+	if (!$wgHashedUploadDirectory) { return $wgUploadDirectory; }

+

+	$hash = md5( $fname );

+	$dest = $wgUploadDirectory . '/' . $hash{0} . '/' . substr( $hash, 0, 2 );

+

+	return $dest;

+}

+

+/**

+ * Returns the image directory of an image's thubnail

+ * The result is an absolute path.

+ *

+ * This function is called from thumb.php before Setup.php is included

+ *

+ * @param $fname String: file name of the original image file

+ * @param $shared Boolean: (optional) use the shared upload directory (default: 'false').

+ * @public

+ */

+function wfImageThumbDir( $fname, $shared = false ) {

+	$base = wfImageArchiveDir( $fname, 'thumb', $shared );

+	if ( Image::isHashed( $shared ) ) {

+		$dir =  "$base/$fname";

+	} else {

+		$dir = $base;

+	}

+

+	return $dir;

+}

+

+/**

+ * Old thumbnail directory, kept for conversion

+ */

+function wfDeprecatedThumbDir( $thumbName , $subdir='thumb', $shared=false) {

+	return wfImageArchiveDir( $thumbName, $subdir, $shared );

+}

+

+/**

+ * Returns the image directory of an image's old version

+ * The result is an absolute path.

+ *

+ * This function is called from thumb.php before Setup.php is included

+ *

+ * @param $fname String: file name of the thumbnail file, including file size prefix.

+ * @param $subdir String: subdirectory of the image upload directory that should be used for storing the old version. Default is 'archive'.

+ * @param $shared Boolean use the shared upload directory (only relevant for other functions which call this one). Default is 'false'.

+ * @public

+ */

+function wfImageArchiveDir( $fname , $subdir='archive', $shared=false ) {

+	global $wgUploadDirectory, $wgHashedUploadDirectory;

+	global $wgSharedUploadDirectory, $wgHashedSharedUploadDirectory;

+	$dir = $shared ? $wgSharedUploadDirectory : $wgUploadDirectory;

+	$hashdir = $shared ? $wgHashedSharedUploadDirectory : $wgHashedUploadDirectory;

+	if (!$hashdir) { return $dir.'/'.$subdir; }

+	$hash = md5( $fname );

+

+	return $dir.'/'.$subdir.'/'.$hash[0].'/'.substr( $hash, 0, 2 );

+}

+

+

+/*

+ * Return the hash path component of an image path (URL or filesystem),

+ * e.g. "/3/3c/", or just "/" if hashing is not used.

+ *

+ * @param $dbkey The filesystem / database name of the file

+ * @param $fromSharedDirectory Use the shared file repository? It may

+ *   use different hash settings from the local one.

+ */

+function wfGetHashPath ( $dbkey, $fromSharedDirectory = false ) {

+	if( Image::isHashed( $fromSharedDirectory ) ) {

+		$hash = md5($dbkey);

+		return '/' . $hash{0} . '/' . substr( $hash, 0, 2 ) . '/';

+	} else {

+		return '/';

+	}

+}

+

+/**

+ * Returns the image URL of an image's old version

+ *

+ * @param $name String: file name of the image file

+ * @param $subdir String: (optional) subdirectory of the image upload directory that is used by the old version. Default is 'archive'

+ * @public

+ */

+function wfImageArchiveUrl( $name, $subdir='archive' ) {

+	global $wgUploadPath, $wgHashedUploadDirectory;

+

+	if ($wgHashedUploadDirectory) {

+		$hash = md5( substr( $name, 15) );

+		$url = $wgUploadPath.'/'.$subdir.'/' . $hash{0} . '/' .

+		  substr( $hash, 0, 2 ) . '/'.$name;

+	} else {

+		$url = $wgUploadPath.'/'.$subdir.'/'.$name;

+	}

+	return wfUrlencode($url);

+}

+

+/**

+ * Return a rounded pixel equivalent for a labeled CSS/SVG length.

+ * http://www.w3.org/TR/SVG11/coords.html#UnitIdentifiers

+ *

+ * @param $length String: CSS/SVG length.

+ * @return Integer: length in pixels

+ */

+function wfScaleSVGUnit( $length ) {

+	static $unitLength = array(

+		'px' => 1.0,

+		'pt' => 1.25,

+		'pc' => 15.0,

+		'mm' => 3.543307,

+		'cm' => 35.43307,

+		'in' => 90.0,

+		''   => 1.0, // "User units" pixels by default

+		'%'  => 2.0, // Fake it!

+		);

+	if( preg_match( '/^(\d+(?:\.\d+)?)(em|ex|px|pt|pc|cm|mm|in|%|)$/', $length, $matches ) ) {

+		$length = floatval( $matches[1] );

+		$unit = $matches[2];

+		return round( $length * $unitLength[$unit] );

+	} else {

+		// Assume pixels

+		return round( floatval( $length ) );

+	}

+}

+

+/**

+ * Compatible with PHP getimagesize()

+ * @todo support gzipped SVGZ

+ * @todo check XML more carefully

+ * @todo sensible defaults

+ *

+ * @param $filename String: full name of the file (passed to php fopen()).

+ * @return array

+ */

+function wfGetSVGsize( $filename ) {

+	$width = 256;

+	$height = 256;

+

+	// Read a chunk of the file

+	$f = fopen( $filename, "rt" );

+	if( !$f ) return false;

+	$chunk = fread( $f, 4096 );

+	fclose( $f );

+

+	// Uber-crappy hack! Run through a real XML parser.

+	if( !preg_match( '/<svg\s*([^>]*)\s*>/s', $chunk, $matches ) ) {

+		return false;

+	}

+	$tag = $matches[1];

+	if( preg_match( '/\bwidth\s*=\s*("[^"]+"|\'[^\']+\')/s', $tag, $matches ) ) {

+		$width = wfScaleSVGUnit( trim( substr( $matches[1], 1, -1 ) ) );

+	}

+	if( preg_match( '/\bheight\s*=\s*("[^"]+"|\'[^\']+\')/s', $tag, $matches ) ) {

+		$height = wfScaleSVGUnit( trim( substr( $matches[1], 1, -1 ) ) );

+	}

+

+	return array( $width, $height, 'SVG',

+		"width=\"$width\" height=\"$height\"" );

+}

+

+/**

+ * Determine if an image exists on the 'bad image list'.

+ *

+ * @param $name String: the image name to check

+ * @return bool

+ */

+function wfIsBadImage( $name ) {

+	static $titleList = false;

+	wfProfileIn( __METHOD__ );

+	$bad = false;

+	if( wfRunHooks( 'BadImage', array( $name, &$bad ) ) ) {

+		if( !$titleList ) {

+			# Build the list now

+			$titleList = array();

+			$lines = explode( "\n", wfMsgForContent( 'bad_image_list' ) );

+			foreach( $lines as $line ) {

+				if( preg_match( '/^\*\s*\[\[:?(.*?)\]\]/i', $line, $matches ) ) {

+					$title = Title::newFromText( $matches[1] );

+					if( is_object( $title ) && $title->getNamespace() == NS_IMAGE )

+						$titleList[ $title->getDBkey() ] = true;

+				}

+			}

+		}

+		wfProfileOut( __METHOD__ );

+		return array_key_exists( $name, $titleList );

+	} else {

+		wfProfileOut( __METHOD__ );

+		return $bad;

+	}

+}

+

+/**

+ * Calculate the largest thumbnail width for a given original file size

+ * such that the thumbnail's height is at most $maxHeight.

+ * @param $boxWidth Integer Width of the thumbnail box.

+ * @param $boxHeight Integer Height of the thumbnail box.

+ * @param $maxHeight Integer Maximum height expected for the thumbnail.

+ * @return Integer.

+ */

+function wfFitBoxWidth( $boxWidth, $boxHeight, $maxHeight ) {

+	$idealWidth = $boxWidth * $maxHeight / $boxHeight;

+	$roundedUp = ceil( $idealWidth );

+	if( round( $roundedUp * $boxHeight / $boxWidth ) > $maxHeight )

+		return floor( $idealWidth );

+	else

+		return $roundedUp;

+}

+

+

+?>

diff --git a/includes/ImageGallery.php b/includes/ImageGallery.php
new file mode 100644
index 00000000..0935ac30
--- /dev/null
+++ b/includes/ImageGallery.php
@@ -0,0 +1,211 @@
+<?php
+if ( ! defined( 'MEDIAWIKI' ) )
+	die( 1 );
+
+/**
+ * @package MediaWiki
+ */
+
+/**
+ * Image gallery
+ *
+ * Add images to the gallery using add(), then render that list to HTML using toHTML().
+ *
+ * @package MediaWiki
+ */
+class ImageGallery
+{
+	var $mImages, $mShowBytes, $mShowFilename;
+	var $mCaption = false;
+	var $mSkin = false;
+	
+	/**
+	 * Is the gallery on a wiki page (i.e. not a special page)
+	 */
+	var $mParsing;
+
+	/**
+	 * Create a new image gallery object.
+	 */
+	function ImageGallery( ) {
+		$this->mImages = array();
+		$this->mShowBytes = true;
+		$this->mShowFilename = true;
+		$this->mParsing = false;
+	}
+
+	/**
+	 * Set the "parse" bit so we know to hide "bad" images
+	 */
+	function setParsing( $val = true ) {
+		$this->mParsing = $val;
+	}
+	
+	/**
+	 * Set the caption
+	 *
+	 * @param $caption Caption
+	 */
+	function setCaption( $caption ) {
+		$this->mCaption = $caption;
+	}
+
+	/**
+	 * Instruct the class to use a specific skin for rendering
+	 *
+	 * @param $skin Skin object
+	 */
+	function useSkin( &$skin ) {
+		$this->mSkin =& $skin;
+	}
+	
+	/**
+	 * Return the skin that should be used
+	 *
+	 * @return Skin object
+	 */
+	function getSkin() {
+		if( !$this->mSkin ) {
+			global $wgUser;
+			$skin =& $wgUser->getSkin();
+		} else {
+			$skin =& $this->mSkin;
+		}
+		return $skin;
+	}
+
+	/**
+	 * Add an image to the gallery.
+	 *
+	 * @param $image Image object that is added to the gallery
+	 * @param $html  String: additional HTML text to be shown. The name and size of the image are always shown.
+	 */
+	function add( $image, $html='' ) {
+		$this->mImages[] = array( &$image, $html );
+	}
+
+	/**
+ 	* Add an image at the beginning of the gallery.
+ 	*
+ 	* @param $image Image object that is added to the gallery
+ 	* @param $html  String:  Additional HTML text to be shown. The name and size of the image are always shown.
+ 	*/
+	function insert( $image, $html='' ) {
+		array_unshift( $this->mImages, array( &$image, $html ) );
+	}
+
+
+	/**
+	 * isEmpty() returns true if the gallery contains no images
+	 */
+	function isEmpty() {
+		return empty( $this->mImages );
+	}
+
+	/**
+	 * Enable/Disable showing of the file size of an image in the gallery.
+	 * Enabled by default.
+	 *
+	 * @param $f Boolean: set to false to disable.
+	 */
+	function setShowBytes( $f ) {
+		$this->mShowBytes = ( $f == true);
+	}
+
+	/**
+	 * Enable/Disable showing of the filename of an image in the gallery.
+	 * Enabled by default.
+	 *
+	 * @param $f Boolean: set to false to disable.
+	 */
+	function setShowFilename( $f ) {
+		$this->mShowFilename = ( $f == true);
+	}
+
+	/**
+	 * Return a HTML representation of the image gallery
+	 *
+	 * For each image in the gallery, display
+	 * - a thumbnail
+	 * - the image name
+	 * - the additional text provided when adding the image
+	 * - the size of the image
+	 *
+	 */
+	function toHTML() {
+		global $wgLang, $wgIgnoreImageErrors, $wgGenerateThumbnailOnParse;
+
+		$sk =& $this->getSkin();
+
+		$s = '<table class="gallery" cellspacing="0" cellpadding="0">';
+		if( $this->mCaption )
+			$s .= '<td class="galleryheader" colspan="4"><big>' . htmlspecialchars( $this->mCaption ) . '</big></td>';
+		
+		$i = 0;
+		foreach ( $this->mImages as $pair ) {
+			$img =& $pair[0];
+			$text = $pair[1];
+
+			$name = $img->getName();
+			$nt = $img->getTitle();
+
+			if( $nt->getNamespace() != NS_IMAGE ) {
+				# We're dealing with a non-image, spit out the name and be done with it.
+				$thumbhtml = '<div style="height: 152px;">' . htmlspecialchars( $nt->getText() ) . '</div>';
+ 			}
+			else if( $this->mParsing && wfIsBadImage( $nt->getDBkey() ) ) {
+				# The image is blacklisted, just show it as a text link.
+				$thumbhtml = '<div style="height: 152px;">'
+					. $sk->makeKnownLinkObj( $nt, htmlspecialchars( $nt->getText() ) ) . '</div>';
+			}
+			else if( !( $thumb = $img->getThumbnail( 120, 120, $wgGenerateThumbnailOnParse ) ) ) {
+				# Error generating thumbnail.
+				$thumbhtml = '<div style="height: 152px;">'
+					. htmlspecialchars( $img->getLastError() ) . '</div>';
+			}
+			else {
+				$vpad = floor( ( 150 - $thumb->height ) /2 ) - 2;
+				$thumbhtml = '<div class="thumb" style="padding: ' . $vpad . 'px 0;">'
+					. $sk->makeKnownLinkObj( $nt, $thumb->toHtml() ) . '</div>';
+			}
+
+			//TODO
+			//$ul = $sk->makeLink( $wgContLang->getNsText( Namespace::getUser() ) . ":{$ut}", $ut );
+
+			if( $this->mShowBytes ) {
+				if( $img->exists() ) {
+					$nb = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
+						$wgLang->formatNum( $img->getSize() ) );
+				} else {
+					$nb = wfMsgHtml( 'filemissing' );
+				}
+				$nb = "$nb<br />\n";
+			} else {
+				$nb = '';
+			}
+
+			$textlink = $this->mShowFilename ?
+				$sk->makeKnownLinkObj( $nt, htmlspecialchars( $wgLang->truncate( $nt->getText(), 20, '...' ) ) ) . "<br />\n" :
+				'' ;
+
+			# ATTENTION: The newline after <div class="gallerytext"> is needed to accommodate htmltidy which
+			# in version 4.8.6 generated crackpot html in its absence, see:
+			# http://bugzilla.wikimedia.org/show_bug.cgi?id=1765 -Ævar
+
+			$s .= ($i%4==0) ? '<tr>' : '';
+			$s .= '<td><div class="gallerybox">' . $thumbhtml
+				. '<div class="gallerytext">' . "\n" . $textlink . $text . $nb
+				. "</div></div></td>\n";
+			$s .= ($i%4==3) ? '</tr>' : '';
+			$i++;
+		}
+		if( $i %4 != 0 ) {
+			$s .= "</tr>\n";
+		}
+		$s .= '</table>';
+
+		return $s;
+	}
+
+} //class
+?>
diff --git a/includes/ImagePage.php b/includes/ImagePage.php
new file mode 100644
index 00000000..dac9602d
--- /dev/null
+++ b/includes/ImagePage.php
@@ -0,0 +1,726 @@
+<?php
+/**
+ * @package MediaWiki
+ */
+
+/**
+ *
+ */
+if( !defined( 'MEDIAWIKI' ) )
+	die( 1 );
+
+require_once( 'Image.php' );
+
+/**
+ * Special handling for image description pages
+ * @package MediaWiki
+ */
+class ImagePage extends Article {
+
+	/* private */ var $img;  // Image object this page is shown for
+	var $mExtraDescription = false;
+
+	/**
+	 * Handler for action=render
+	 * Include body text only; none of the image extras
+	 */
+	function render() {
+		global $wgOut;
+		$wgOut->setArticleBodyOnly( true );
+		$wgOut->addSecondaryWikitext( $this->getContent() );
+	}
+
+	function view() {
+		global $wgOut, $wgShowEXIF;
+
+		$this->img = new Image( $this->mTitle );
+
+		if( $this->mTitle->getNamespace() == NS_IMAGE  ) {
+			if ($wgShowEXIF && $this->img->exists()) {
+				$exif = $this->img->getExifData();
+				$showmeta = count($exif) ? true : false;
+			} else {
+				$exif = false;
+				$showmeta = false;
+			}
+
+			if ($this->img->exists())
+				$wgOut->addHTML($this->showTOC($showmeta));
+
+			$this->openShowImage();
+
+			# No need to display noarticletext, we use our own message, output in openShowImage()
+			if( $this->getID() ) {
+				Article::view();
+			} else {
+				# Just need to set the right headers
+				$wgOut->setArticleFlag( true );
+				$wgOut->setRobotpolicy( 'index,follow' );
+				$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+				$this->viewUpdates();
+			}
+
+			# Show shared description, if needed
+			if( $this->mExtraDescription ) {
+				$fol = wfMsg( 'shareddescriptionfollows' );
+				if( $fol != '-' ) {
+					$wgOut->addWikiText( $fol );
+				}
+				$wgOut->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . '</div>' );
+			}
+
+			$this->closeShowImage();
+			$this->imageHistory();
+			$this->imageLinks();
+			if( $exif ) {
+				global $wgStylePath;
+				$expand = htmlspecialchars( wfEscapeJsString( wfMsg( 'metadata-expand' ) ) );
+				$collapse = htmlspecialchars( wfEscapeJsString( wfMsg( 'metadata-collapse' ) ) );
+				$wgOut->addHTML( "<h2 id=\"metadata\">" . wfMsgHtml( 'metadata' ) . "</h2>\n" );
+				$wgOut->addWikiText( $this->makeMetadataTable( $exif ) );
+				$wgOut->addHTML(
+					"<script type=\"text/javascript\" src=\"$wgStylePath/common/metadata.js\"></script>\n" .
+					"<script type=\"text/javascript\">attachMetadataToggle('mw_metadata', '$expand', '$collapse');</script>\n" );
+			}
+		} else {
+			Article::view();
+		}
+	}
+
+	/**
+	 * Create the TOC
+	 *
+	 * @access private
+	 *
+	 * @param bool $metadata Whether or not to show the metadata link
+	 * @return string
+	 */
+	function showTOC( $metadata ) {
+		global $wgLang;
+		$r = '<ul id="filetoc">
+			<li><a href="#file">' . $wgLang->getNsText( NS_IMAGE ) . '</a></li>
+			<li><a href="#filehistory">' . wfMsgHtml( 'imghistory' ) . '</a></li>
+			<li><a href="#filelinks">' . wfMsgHtml( 'imagelinks' ) . '</a></li>' .
+			($metadata ? '<li><a href="#metadata">' . wfMsgHtml( 'metadata' ) . '</a></li>' : '') . '
+		</ul>';
+		return $r;
+	}
+
+	/**
+	 * Make a table with metadata to be shown in the output page.
+	 *
+	 * @access private
+	 *
+	 * @param array $exif The array containing the EXIF data
+	 * @return string
+	 */
+	function makeMetadataTable( $exif ) {
+		$r = wfMsg( 'metadata-help' ) . "\n\n";
+		$r .= "{| id=mw_metadata class=mw_metadata\n";
+		$visibleFields = $this->visibleMetadataFields();
+		foreach( $exif as $k => $v ) {
+			$tag = strtolower( $k );
+			$msg = wfMsg( "exif-$tag" );
+			$class = "exif-$tag";
+			if( !in_array( $tag, $visibleFields ) ) {
+				$class .= ' collapsable';
+			}
+			$r .= "|- class=\"$class\"\n";
+			$r .= "!| $msg\n";
+			$r .= "|| $v\n";
+		}
+		$r .= '|}';
+		return $r;
+	}
+
+	/**
+	 * Get a list of EXIF metadata items which should be displayed when
+	 * the metadata table is collapsed.
+	 *
+	 * @return array of strings
+	 * @access private
+	 */
+	function visibleMetadataFields() {
+		$fields = array();
+		$lines = explode( "\n", wfMsgForContent( 'metadata-fields' ) );
+		foreach( $lines as $line ) {
+			if( preg_match( '/^\\*\s*(.*?)\s*$/', $line, $matches ) ) {
+				$fields[] = $matches[1];
+			}
+		}
+		return $fields;
+	}
+
+	/**
+	 * Overloading Article's getContent method.
+	 * 
+	 * Omit noarticletext if sharedupload; text will be fetched from the
+	 * shared upload server if possible.
+	 */
+	function getContent() {
+		if( $this->img && $this->img->fromSharedDirectory && 0 == $this->getID() ) {
+			return '';
+		}
+		return Article::getContent();
+	}
+
+	function openShowImage() {
+		global $wgOut, $wgUser, $wgImageLimits, $wgRequest;
+		global $wgUseImageResize, $wgGenerateThumbnailOnParse;
+
+		$full_url  = $this->img->getURL();
+		$anchoropen = '';
+		$anchorclose = '';
+
+		if( $wgUser->getOption( 'imagesize' ) == '' ) {
+			$sizeSel = User::getDefaultOption( 'imagesize' );
+		} else {
+			$sizeSel = intval( $wgUser->getOption( 'imagesize' ) );
+		}
+		if( !isset( $wgImageLimits[$sizeSel] ) ) {
+			$sizeSel = User::getDefaultOption( 'imagesize' );
+		}
+		$max = $wgImageLimits[$sizeSel];
+		$maxWidth = $max[0];
+		$maxHeight = $max[1];
+		$sk = $wgUser->getSkin();
+
+		if ( $this->img->exists() ) {
+			# image
+			$width = $this->img->getWidth();
+			$height = $this->img->getHeight();
+			$showLink = false;
+
+			if ( $this->img->allowInlineDisplay() and $width and $height) {
+				# image
+
+				# "Download high res version" link below the image
+				$msg = wfMsgHtml('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
+
+				# We'll show a thumbnail of this image
+				if ( $width > $maxWidth || $height > $maxHeight ) {
+					# Calculate the thumbnail size.
+					# First case, the limiting factor is the width, not the height.
+					if ( $width / $height >= $maxWidth / $maxHeight ) {
+						$height = round( $height * $maxWidth / $width);
+						$width = $maxWidth;
+						# Note that $height <= $maxHeight now.
+					} else {
+						$newwidth = floor( $width * $maxHeight / $height);
+						$height = round( $height * $newwidth / $width );
+						$width = $newwidth;
+						# Note that $height <= $maxHeight now, but might not be identical
+						# because of rounding.
+					}
+
+					if( $wgUseImageResize ) {
+						$thumbnail = $this->img->getThumbnail( $width, -1, $wgGenerateThumbnailOnParse );
+						if ( $thumbnail == null ) {
+							$url = $this->img->getViewURL();
+						} else {
+							$url = $thumbnail->getURL();
+						}
+					} else {
+						# No resize ability? Show the full image, but scale
+						# it down in the browser so it fits on the page.
+						$url = $this->img->getViewURL();
+					}
+					$anchoropen  = "<a href=\"{$full_url}\">";
+					$anchorclose = "</a><br />";
+					if( $this->img->mustRender() ) {
+						$showLink = true;
+					} else {
+						$anchorclose .= "\n$anchoropen{$msg}</a>";
+					}
+				} else {
+					$url = $this->img->getViewURL();
+					$showLink = true;
+				}
+				$wgOut->addHTML( '<div class="fullImageLink" id="file">' . $anchoropen .
+				     "<img border=\"0\" src=\"{$url}\" width=\"{$width}\" height=\"{$height}\" alt=\"" .
+				     htmlspecialchars( $wgRequest->getVal( 'image' ) ).'" />' . $anchorclose . '</div>' );
+			} else {
+				#if direct link is allowed but it's not a renderable image, show an icon.
+				if ($this->img->isSafeFile()) {
+					$icon= $this->img->iconThumb();
+
+					$wgOut->addHTML( '<div class="fullImageLink" id="file"><a href="' . $full_url . '">' .
+					$icon->toHtml() .
+					'</a></div>' );
+				}
+
+				$showLink = true;
+			}
+
+
+			if ($showLink) {
+				$filename = wfEscapeWikiText( $this->img->getName() );
+				$info = wfMsg( 'fileinfo',
+					ceil($this->img->getSize()/1024.0),
+					$this->img->getMimeType() );
+
+				global $wgContLang;
+				$dirmark = $wgContLang->getDirMark();
+				if (!$this->img->isSafeFile()) {
+					$warning = wfMsg( 'mediawarning' );
+					$wgOut->addWikiText( <<<END
+<div class="fullMedia">
+<span class="dangerousLink">[[Media:$filename|$filename]]</span>$dirmark
+<span class="fileInfo"> ($info)</span>
+</div>
+
+<div class="mediaWarning">$warning</div>
+END
+						);
+				} else {
+					$wgOut->addWikiText( <<<END
+<div class="fullMedia">
+[[Media:$filename|$filename]]$dirmark <span class="fileInfo"> ($info)</span>
+</div>
+END
+						);
+				}
+			}
+
+			if($this->img->fromSharedDirectory) {
+				$this->printSharedImageText();
+			}
+		} else {
+			# Image does not exist
+
+			$title = Title::makeTitle( NS_SPECIAL, 'Upload' );
+			$link = $sk->makeKnownLinkObj($title, wfMsgHtml('noimage-linktext'),
+				'wpDestFile=' . urlencode( $this->img->getName() ) );
+			$wgOut->addHTML( wfMsgWikiHtml( 'noimage', $link ) );
+		}
+	}
+
+	function printSharedImageText() {
+		global $wgRepositoryBaseUrl, $wgFetchCommonsDescriptions, $wgOut, $wgUser;
+
+		$url = $wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey());
+		$sharedtext = "<div class='sharedUploadNotice'>" . wfMsgWikiHtml("sharedupload");
+		if ($wgRepositoryBaseUrl && !$wgFetchCommonsDescriptions) {
+
+			$sk = $wgUser->getSkin();
+			$title = Title::makeTitle( NS_SPECIAL, 'Upload' );
+			$link = $sk->makeKnownLinkObj($title, wfMsgHtml('shareduploadwiki-linktext'),
+			array( 'wpDestFile' => urlencode( $this->img->getName() )));
+			$sharedtext .= " " . wfMsgWikiHtml('shareduploadwiki', $link);
+		}
+		$sharedtext .= "</div>";
+		$wgOut->addHTML($sharedtext);
+
+		if ($wgRepositoryBaseUrl && $wgFetchCommonsDescriptions) {
+			require_once("HttpFunctions.php");
+			$ur = ini_set('allow_url_fopen', true);
+			$text = wfGetHTTP($url . '?action=render');
+			ini_set('allow_url_fopen', $ur);
+			if ($text)
+				$this->mExtraDescription = $text;
+		}
+	}
+
+	function getUploadUrl() {
+		global $wgServer;
+		$uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
+		return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
+	}
+
+	/**
+	 * Print out the various links at the bottom of the image page, e.g. reupload,
+	 * external editing (and instructions link) etc.
+	 */
+	function uploadLinksBox() {
+		global $wgUser, $wgOut;
+
+		if( $this->img->fromSharedDirectory )
+			return;
+
+		$sk = $wgUser->getSkin();
+		
+		$wgOut->addHtml( '<br /><ul>' );
+		
+		# "Upload a new version of this file" link
+		if( $wgUser->isAllowed( 'reupload' ) ) {
+			$ulink = $sk->makeExternalLink( $this->getUploadUrl(), wfMsg( 'uploadnewversion-linktext' ) );
+			$wgOut->addHtml( "<li><div>{$ulink}</div></li>" );
+		}
+		
+		# External editing link
+		$elink = $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'edit-externally' ), 'action=edit&externaledit=true&mode=file' );
+		$wgOut->addHtml( '<li>' . $elink . '<div>' . wfMsgWikiHtml( 'edit-externally-help' ) . '</div></li>' );
+		
+		$wgOut->addHtml( '</ul>' );
+	}
+
+	function closeShowImage()
+	{
+		# For overloading
+
+	}
+
+	/**
+	 * If the page we've just displayed is in the "Image" namespace,
+	 * we follow it with an upload history of the image and its usage.
+	 */
+	function imageHistory()
+	{
+		global $wgUser, $wgOut, $wgUseExternalEditor;
+
+		$sk = $wgUser->getSkin();
+
+		$line = $this->img->nextHistoryLine();
+
+		if ( $line ) {
+			$list =& new ImageHistoryList( $sk );
+			$s = $list->beginImageHistoryList() .
+				$list->imageHistoryLine( true, wfTimestamp(TS_MW, $line->img_timestamp),
+					$this->mTitle->getDBkey(),  $line->img_user,
+					$line->img_user_text, $line->img_size, $line->img_description,
+					$line->img_width, $line->img_height
+				);
+
+			while ( $line = $this->img->nextHistoryLine() ) {
+				$s .= $list->imageHistoryLine( false, $line->img_timestamp,
+			  		$line->oi_archive_name, $line->img_user,
+			  		$line->img_user_text, $line->img_size, $line->img_description,
+					$line->img_width, $line->img_height
+				);
+			}
+			$s .= $list->endImageHistoryList();
+		} else { $s=''; }
+		$wgOut->addHTML( $s );
+
+		# Exist check because we don't want to show this on pages where an image
+		# doesn't exist along with the noimage message, that would suck. -ævar
+		if( $wgUseExternalEditor && $this->img->exists() ) {
+			$this->uploadLinksBox();
+		}
+
+	}
+
+	function imageLinks()
+	{
+		global $wgUser, $wgOut;
+
+		$wgOut->addHTML( '<h2 id="filelinks">' . wfMsg( 'imagelinks' ) . "</h2>\n" );
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$page = $dbr->tableName( 'page' );
+		$imagelinks = $dbr->tableName( 'imagelinks' );
+
+		$sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
+		  $dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id";
+		$sql = $dbr->limitResult($sql, 500, 0);
+		$res = $dbr->query( $sql, "ImagePage::imageLinks" );
+
+		if ( 0 == $dbr->numRows( $res ) ) {
+			$wgOut->addHtml( '<p>' . wfMsg( "nolinkstoimage" ) . "</p>\n" );
+			return;
+		}
+		$wgOut->addHTML( '<p>' . wfMsg( 'linkstoimage' ) .  "</p>\n<ul>" );
+
+		$sk = $wgUser->getSkin();
+		while ( $s = $dbr->fetchObject( $res ) ) {
+			$name = Title::MakeTitle( $s->page_namespace, $s->page_title );
+			$link = $sk->makeKnownLinkObj( $name, "" );
+			$wgOut->addHTML( "<li>{$link}</li>\n" );
+		}
+		$wgOut->addHTML( "</ul>\n" );
+	}
+
+	function delete()
+	{
+		global $wgUser, $wgOut, $wgRequest;
+
+		$confirm = $wgRequest->wasPosted();
+		$image = $wgRequest->getVal( 'image' );
+		$oldimage = $wgRequest->getVal( 'oldimage' );
+
+		# Only sysops can delete images. Previously ordinary users could delete
+		# old revisions, but this is no longer the case.
+		if ( !$wgUser->isAllowed('delete') ) {
+			$wgOut->sysopRequired();
+			return;
+		}
+		if ( $wgUser->isBlocked() ) {
+			return $this->blockedIPpage();
+		}
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+
+		# Better double-check that it hasn't been deleted yet!
+		$wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
+		if ( ( !is_null( $image ) )
+		  && ( '' == trim( $image ) ) ) {
+			$wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
+			return;
+		}
+
+		$this->img  = new Image( $this->mTitle );
+
+		# Deleting old images doesn't require confirmation
+		if ( !is_null( $oldimage ) || $confirm ) {
+			if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
+				$this->doDelete();
+			} else {
+				$wgOut->showFatalError( wfMsg( 'sessionfailure' ) );
+			}
+			return;
+		}
+
+		if ( !is_null( $image ) ) {
+			$q = '&image=' . urlencode( $image );
+		} else if ( !is_null( $oldimage ) ) {
+			$q = '&oldimage=' . urlencode( $oldimage );
+		} else {
+			$q = '';
+		}
+		return $this->confirmDelete( $q, $wgRequest->getText( 'wpReason' ) );
+	}
+
+	function doDelete()	{
+		global $wgOut, $wgRequest, $wgUseSquid;
+		global $wgPostCommitUpdateList;
+
+		$fname = 'ImagePage::doDelete';
+
+		$reason = $wgRequest->getVal( 'wpReason' );
+		$oldimage = $wgRequest->getVal( 'oldimage' );
+
+		$dbw =& wfGetDB( DB_MASTER );
+
+		if ( !is_null( $oldimage ) ) {
+			if ( strlen( $oldimage ) < 16 ) {
+				$wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
+				return;
+			}
+			if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
+				$wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
+				return;
+			}
+			if ( !$this->doDeleteOldImage( $oldimage ) ) {
+				return;
+			}
+			$deleted = $oldimage;
+		} else {
+			$ok = $this->img->delete( $reason );
+			if( !$ok ) {
+				# If the deletion operation actually failed, bug out:
+				$wgOut->showFileDeleteError( $this->img->getName() );
+				return;
+			}
+			
+			# Image itself is now gone, and database is cleaned.
+			# Now we remove the image description page.
+	
+			$article = new Article( $this->mTitle );
+			$article->doDeleteArticle( $reason ); # ignore errors
+
+			$deleted = $this->img->getName();
+		}
+
+		$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+		$loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
+		$text = wfMsg( 'deletedtext', $deleted, $loglink );
+
+		$wgOut->addWikiText( $text );
+
+		$wgOut->returnToMain( false, $this->mTitle->getPrefixedText() );
+	}
+
+	/**
+	 * @return success
+	 */
+	function doDeleteOldImage( $oldimage )
+	{
+		global $wgOut;
+
+		$ok = $this->img->deleteOld( $oldimage, '' );
+		if( !$ok ) {
+			# If we actually have a file and can't delete it, throw an error.
+			# Something went awry...
+			$wgOut->showFileDeleteError( "$oldimage" );
+		} else {
+			# Log the deletion
+			$log = new LogPage( 'delete' );
+			$log->addEntry( 'delete', $this->mTitle, wfMsg('deletedrevision',$oldimage) );
+		}
+		return $ok;
+	}
+
+	function revert() {
+		global $wgOut, $wgRequest, $wgUser;
+
+		$oldimage = $wgRequest->getText( 'oldimage' );
+		if ( strlen( $oldimage ) < 16 ) {
+			$wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
+			return;
+		}
+		if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
+			$wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
+			return;
+		}
+
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+		if( $wgUser->isAnon() ) {
+			$wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
+			return;
+		}
+		if ( ! $this->mTitle->userCanEdit() ) {
+			$wgOut->sysopRequired();
+			return;
+		}
+		if ( $wgUser->isBlocked() ) {
+			return $this->blockedIPpage();
+		}
+		if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
+			$wgOut->showErrorPage( 'internalerror', 'sessionfailure' );
+			return;
+		}
+		$name = substr( $oldimage, 15 );
+
+		$dest = wfImageDir( $name );
+		$archive = wfImageArchiveDir( $name );
+		$curfile = "{$dest}/{$name}";
+
+		if ( !is_dir( $dest ) ) wfMkdirParents( $dest );
+		if ( !is_dir( $archive ) ) wfMkdirParents( $archive );
+
+		if ( ! is_file( $curfile ) ) {
+			$wgOut->showFileNotFoundError( htmlspecialchars( $curfile ) );
+			return;
+		}
+		$oldver = wfTimestampNow() . "!{$name}";
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$size = $dbr->selectField( 'oldimage', 'oi_size', array( 'oi_archive_name' => $oldimage )  );
+
+		if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
+			$wgOut->showFileRenameError( $curfile, "${archive}/{$oldver}" );
+			return;
+		}
+		if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
+			$wgOut->showFileCopyError( "${archive}/{$oldimage}", $curfile );
+			return;
+		}
+
+		# Record upload and update metadata cache
+		$img = Image::newFromName( $name );
+		$img->recordUpload( $oldver, wfMsg( "reverted" ) );
+
+		$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->addHTML( wfMsg( 'imagereverted' ) );
+
+		$descTitle = $img->getTitle();
+		$wgOut->returnToMain( false, $descTitle->getPrefixedText() );
+	}
+
+	function blockedIPpage() {
+		$edit = new EditPage( $this );
+		return $edit->blockedIPpage();
+	}
+	
+	/**
+	 * Override handling of action=purge
+	 */
+	function doPurge() {
+		$this->img = new Image( $this->mTitle );
+		if( $this->img->exists() ) {
+			wfDebug( "ImagePage::doPurge purging " . $this->img->getName() . "\n" );
+			$update = new HTMLCacheUpdate( $this->mTitle, 'imagelinks' );
+			$update->doUpdate();
+			$this->img->purgeCache();
+		} else {
+			wfDebug( "ImagePage::doPurge no image\n" );
+		}
+		parent::doPurge();
+	}
+
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class ImageHistoryList {
+	function ImageHistoryList( &$skin ) {
+		$this->skin =& $skin;
+	}
+
+	function beginImageHistoryList() {
+		$s = "\n<h2 id=\"filehistory\">" . wfMsg( 'imghistory' ) . "</h2>\n" .
+		  "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
+		return $s;
+	}
+
+	function endImageHistoryList() {
+		$s = "</ul>\n";
+		return $s;
+	}
+
+	function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description, $width, $height ) {
+		global $wgUser, $wgLang, $wgTitle, $wgContLang;
+
+		$datetime = $wgLang->timeanddate( $timestamp, true );
+		$del = wfMsg( 'deleteimg' );
+		$delall = wfMsg( 'deleteimgcompletely' );
+		$cur = wfMsg( 'cur' );
+
+		if ( $iscur ) {
+			$url = Image::imageUrl( $img );
+			$rlink = $cur;
+			if ( $wgUser->isAllowed('delete') ) {
+				$link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
+				  '&action=delete' );
+				$style = $this->skin->getInternalLinkAttributes( $link, $delall );
+
+				$dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
+			} else {
+				$dlink = $del;
+			}
+		} else {
+			$url = htmlspecialchars( wfImageArchiveUrl( $img ) );
+			if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
+				$token = urlencode( $wgUser->editToken( $img ) );
+				$rlink = $this->skin->makeKnownLinkObj( $wgTitle,
+				           wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
+				           urlencode( $img ) . "&wpEditToken=$token" );
+				$dlink = $this->skin->makeKnownLinkObj( $wgTitle,
+				           $del, 'action=delete&oldimage=' . urlencode( $img ) .
+				           "&wpEditToken=$token" );
+			} else {
+				# Having live active links for non-logged in users
+				# means that bots and spiders crawling our site can
+				# inadvertently change content. Baaaad idea.
+				$rlink = wfMsg( 'revertimg' );
+				$dlink = $del;
+			}
+		}
+		
+		$userlink = $this->skin->userLink( $user, $usertext ) . $this->skin->userToolLinks( $user, $usertext );
+		$nbytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
+			$wgLang->formatNum( $size ) );
+		$widthheight = wfMsg( 'widthheight', $width, $height );
+		$style = $this->skin->getInternalLinkAttributes( $url, $datetime );
+
+		$s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a> . . {$userlink} . . {$widthheight} ({$nbytes})";
+
+		$s .= $this->skin->commentBlock( $description, $wgTitle );
+		$s .= "</li>\n";
+		return $s;
+	}
+
+}
+
+
+?>
diff --git a/includes/JobQueue.php b/includes/JobQueue.php
new file mode 100644
index 00000000..746cf5de
--- /dev/null
+++ b/includes/JobQueue.php
@@ -0,0 +1,267 @@
+<?php
+
+if ( !defined( 'MEDIAWIKI' ) ) {
+	die( "This file is part of MediaWiki, it is not a valid entry point\n" );
+}
+
+abstract class Job {
+	var $command,
+		$title,
+		$params,
+		$id,
+		$removeDuplicates,
+		$error;
+
+	/*-------------------------------------------------------------------------
+	 * Static functions
+	 *------------------------------------------------------------------------*/
+
+	/** 
+	 * @deprecated use LinksUpdate::queueRecursiveJobs()
+	 */
+	/**
+	 * static function queueLinksJobs( $titles ) {}
+	 */
+
+	/**
+	 * Pop a job off the front of the queue
+	 * @static
+	 * @return Job or false if there's no jobs
+	 */
+	static function pop() {
+		wfProfileIn( __METHOD__ );
+
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		// Get a job from the slave
+		$row = $dbr->selectRow( 'job', '*', '', __METHOD__,
+			array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 )
+		);
+
+		if ( $row === false ) {
+			wfProfileOut( __METHOD__ );
+			return false;
+		}
+
+		// Try to delete it from the master
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
+		$affected = $dbw->affectedRows();
+		$dbw->immediateCommit();
+
+		if ( !$affected ) {
+			// Failed, someone else beat us to it
+			// Try getting a random row
+			$row = $dbw->selectRow( 'job', array( 'MIN(job_id) as minjob',
+				'MAX(job_id) as maxjob' ), '', __METHOD__ );
+			if ( $row === false || is_null( $row->minjob ) || is_null( $row->maxjob ) ) {
+				// No jobs to get
+				wfProfileOut( __METHOD__ );
+				return false;
+			}
+			// Get the random row
+			$row = $dbw->selectRow( 'job', '*',
+				array( 'job_id' => mt_rand( $row->minjob, $row->maxjob ) ),	__METHOD__ );
+			if ( $row === false ) {
+				// Random job gone before we got the chance to select it
+				// Give up
+				wfProfileOut( __METHOD__ );
+				return false;
+			}
+			// Delete the random row
+			$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
+			$affected = $dbw->affectedRows();
+			$dbw->immediateCommit();
+			
+			if ( !$affected ) {
+				// Random job gone before we exclusively deleted it
+				// Give up
+				wfProfileOut( __METHOD__ );
+				return false;
+			}
+		}
+		
+		// If execution got to here, there's a row in $row that has been deleted from the database
+		// by this thread. Hence the concurrent pop was successful.
+		$namespace = $row->job_namespace;
+		$dbkey = $row->job_title;
+		$title = Title::makeTitleSafe( $namespace, $dbkey );
+		$job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ), $row->job_id );
+		
+		// Remove any duplicates it may have later in the queue
+		$dbw->delete( 'job', $job->insertFields(), __METHOD__ );
+		
+		wfProfileOut( __METHOD__ );
+		return $job;
+	}
+
+	/** 
+	 * Create an object of a subclass
+	 */
+	static function factory( $command, $title, $params = false, $id = 0 ) {
+		switch ( $command ) {
+			case 'refreshLinks':
+				return new RefreshLinksJob( $title, $params, $id );
+			case 'htmlCacheUpdate':
+			case 'html_cache_update': # BC
+				return new HTMLCacheUpdateJob( $title, $params['table'], $params['start'], $params['end'], $id );
+			default:
+				throw new MWException( "Invalid job command \"$command\"" );
+		}
+	}
+
+	static function makeBlob( $params ) {
+		if ( $params !== false ) {
+			return serialize( $params );
+		} else {
+			return '';
+		}
+	}
+
+	static function extractBlob( $blob ) {
+		if ( (string)$blob !== '' ) {
+			return unserialize( $blob );
+		} else {
+			return false;
+		}
+	}
+
+	/*-------------------------------------------------------------------------
+	 * Non-static functions
+	 *------------------------------------------------------------------------*/
+
+	function __construct( $command, $title, $params = false, $id = 0 ) {
+		$this->command = $command;
+		$this->title = $title;
+		$this->params = $params;
+		$this->id = $id;
+
+		// A bit of premature generalisation
+		// Oh well, the whole class is premature generalisation really
+		$this->removeDuplicates = true;
+	}
+
+	/**
+	 * Insert a single job into the queue.
+	 */
+	function insert() {
+		$fields = $this->insertFields();
+
+		$dbw =& wfGetDB( DB_MASTER );
+		
+		if ( $this->removeDuplicates ) {
+			$res = $dbw->select( 'job', array( '1' ), $fields, __METHOD__ );
+			if ( $dbw->numRows( $res ) ) {
+				return;
+			}
+		}
+		$fields['job_id'] = $dbw->nextSequenceValue( 'job_job_id_seq' );
+		$dbw->insert( 'job', $fields, __METHOD__ );
+	}
+	
+	protected function insertFields() {
+		return array(
+			'job_cmd' => $this->command,
+			'job_namespace' => $this->title->getNamespace(),
+			'job_title' => $this->title->getDBkey(),
+			'job_params' => Job::makeBlob( $this->params )
+		);
+	}
+	
+	/**
+	 * Batch-insert a group of jobs into the queue.
+	 * This will be wrapped in a transaction with a forced commit.
+	 *
+	 * This may add duplicate at insert time, but they will be
+	 * removed later on, when the first one is popped.
+	 *
+	 * @param $jobs array of Job objects
+	 */
+	static function batchInsert( $jobs ) {
+		if( count( $jobs ) ) {
+			$dbw = wfGetDB( DB_MASTER );
+			$dbw->begin();
+			foreach( $jobs as $job ) {
+				$rows[] = $job->insertFields();
+			}
+			$dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
+			$dbw->commit();
+		}
+	}
+
+	/**
+	 * Run the job
+	 * @return boolean success
+	 */
+	abstract function run();
+	
+	function toString() {
+		$paramString = '';
+		if ( $this->params ) {
+			foreach ( $this->params as $key => $value ) {
+				if ( $paramString != '' ) {
+					$paramString .= ' ';
+				}
+				$paramString .= "$key=$value";
+			}
+		}
+
+		if ( is_object( $this->title ) ) {
+			$s = "{$this->command} " . $this->title->getPrefixedDBkey();
+			if ( $paramString !== '' ) {
+				$s .= ' ' . $paramString;
+			}
+			return $s;
+		} else {
+			return "{$this->command} $paramString";
+		}
+	}
+
+	function getLastError() {
+		return $this->error;
+	}
+}
+
+class RefreshLinksJob extends Job {
+	function __construct( $title, $params = '', $id = 0 ) {
+		parent::__construct( 'refreshLinks', $title, $params, $id );
+	}
+
+	/**
+	 * Run a refreshLinks job
+	 * @return boolean success
+	 */
+	function run() {
+		global $wgParser;
+		wfProfileIn( __METHOD__ );
+
+		$linkCache =& LinkCache::singleton();
+		$linkCache->clear();
+		
+		if ( is_null( $this->title ) ) {
+			$this->error = "refreshLinks: Invalid title";
+			wfProfileOut( __METHOD__ );
+			return false;
+		}
+
+		$revision = Revision::newFromTitle( $this->title );
+		if ( !$revision ) {
+			$this->error = 'refreshLinks: Article not found "' . $this->title->getPrefixedDBkey() . '"';
+			wfProfileOut( __METHOD__ );
+			return false;
+		}
+
+		wfProfileIn( __METHOD__.'-parse' );
+		$options = new ParserOptions;
+		$parserOutput = $wgParser->parse( $revision->getText(), $this->title, $options, true, true, $revision->getId() );
+		wfProfileOut( __METHOD__.'-parse' );
+		wfProfileIn( __METHOD__.'-update' );
+		$update = new LinksUpdate( $this->title, $parserOutput, false );
+		$update->doUpdate();
+		wfProfileOut( __METHOD__.'-update' );
+		wfProfileOut( __METHOD__ );
+		return true;
+	}
+}
+
+?>
diff --git a/includes/Licenses.php b/includes/Licenses.php
new file mode 100644
index 00000000..aaa44052
--- /dev/null
+++ b/includes/Licenses.php
@@ -0,0 +1,171 @@
+<?php
+/**
+ * A License class for use on Special:Upload
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+class Licenses {
+	/**#@+
+	 * @private
+	 */
+	/**
+	 * @var string
+	 */
+	var $msg;
+
+	/**
+	 * @var array
+	 */
+	var $licenses = array();
+
+	/**
+	 * @var string
+	 */
+	var $html;
+	/**#@-*/
+
+	/**
+	 * Constrictor
+	 *
+	 * @param $str String: the string to build the licenses member from, will use
+	 *                    wfMsgForContent( 'licenses' ) if null (default: null)
+	 */
+	function Licenses( $str = null ) {
+		// PHP sucks, this should be possible in the constructor
+		$this->msg = is_null( $str ) ? wfMsgForContent( 'licenses' ) : $str;
+		$this->html = '';
+
+		$this->makeLicenses();
+		$tmp = $this->getLicenses();
+		$this->makeHtml( $tmp );
+	}
+
+	/**#@+
+	 * @private
+	 */
+	function makeLicenses() {
+		$levels = array();
+		$lines = explode( "\n", $this->msg );
+
+		foreach ( $lines as $line ) {
+			if ( strpos( $line, '*' ) !== 0 )
+				continue;
+			else {
+				list( $level, $line ) = $this->trimStars( $line );
+
+				if ( strpos( $line, '|' ) !== false ) {
+					$obj = new License( $line );
+					$this->stackItem( $this->licenses, $levels, $obj );
+				} else {
+					if ( $level < count( $levels ) )
+						$levels = array_slice( $levels, 0, $level );
+					if ( $level == count( $levels ) )
+						$levels[$level - 1] = $line;
+					else if ( $level > count( $levels ) )
+						$levels[] = $line;
+				}
+			}
+		}
+	}
+
+	function trimStars( $str ) {
+		$i = $count = 0;
+
+		wfSuppressWarnings();
+		while ($str[$i++] == '*')
+			++$count;
+		wfRestoreWarnings();
+
+		return array( $count, ltrim( $str, '* ' ) );
+	}
+
+	function stackItem( &$list, $path, $item ) {
+		$position =& $list;
+		if ( $path )
+			foreach( $path as $key )
+				$position =& $position[$key];
+		$position[] = $item;
+	}
+
+	function makeHtml( &$tagset, $depth = 0 ) {
+		foreach ( $tagset as $key => $val )
+			if ( is_array( $val ) ) {
+				$this->html .= $this->outputOption(
+					$this->msg( $key ),
+					array(
+						'value' => '',
+						'disabled' => 'disabled',
+						'style' => 'color: GrayText', // for MSIE
+					),
+					$depth
+				);
+				$this->makeHtml( $val, $depth + 1 );
+			} else {
+				$this->html .= $this->outputOption(
+					$this->msg( $val->text ),
+					array(
+						'value' => $val->template,
+						'title' => '{{' . $val->template . '}}'
+					),
+					$depth
+				);
+			}
+	}
+
+	function outputOption( $val, $attribs = null, $depth ) {
+		$val = str_repeat( /* &nbsp */ "\xc2\xa0", $depth * 2 ) . $val;
+		return str_repeat( "\t", $depth ) . wfElement( 'option', $attribs, $val ) . "\n";
+	}
+
+	function msg( $str ) {
+		$out = wfMsg( $str );
+		return wfEmptyMsg( $str, $out ) ? $str : $out;
+	}
+
+	/**#@-*/
+
+	/**
+	 *  Accessor for $this->licenses
+	 *
+	 * @return array
+	 */
+	function getLicenses() { return $this->licenses; }
+
+	/**
+	 * Accessor for $this->html
+	 *
+	 * @return string
+	 */
+	function getHtml() { return $this->html; }
+}
+
+class License {
+	/**
+	 * @var string
+	 */
+	var $template;
+
+	/**
+	 * @var string
+	 */
+	var $text;
+
+	/**
+	 * Constructor
+	 *
+	 * @param $str String: license name??
+	 */
+	function License( $str ) {
+		list( $text, $template ) = explode( '|', strrev( $str ), 2 );
+
+		$this->template = strrev( $template );
+		$this->text = strrev( $text );
+	}
+}
+?>
diff --git a/includes/LinkBatch.php b/includes/LinkBatch.php
new file mode 100644
index 00000000..e0f0f6fd
--- /dev/null
+++ b/includes/LinkBatch.php
@@ -0,0 +1,184 @@
+<?php
+
+/**
+ * Class representing a list of titles
+ * The execute() method checks them all for existence and adds them to a LinkCache object
+ +
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+class LinkBatch {
+	/**
+	 * 2-d array, first index namespace, second index dbkey, value arbitrary
+	 */
+	var $data = array();
+
+	function LinkBatch( $arr = array() ) {
+		foreach( $arr as $item ) {
+			$this->addObj( $item );
+		}
+	}
+
+	function addObj( $title ) {
+		if ( is_object( $title ) ) {
+			$this->add( $title->getNamespace(), $title->getDBkey() );
+		} else {
+			wfDebug( "Warning: LinkBatch::addObj got invalid title object\n" );
+		}
+	}
+
+	function add( $ns, $dbkey ) {
+		if ( $ns < 0 ) {
+			return;
+		}
+		if ( !array_key_exists( $ns, $this->data ) ) {
+			$this->data[$ns] = array();
+		}
+
+		$this->data[$ns][$dbkey] = 1;
+	}
+
+	/**
+	 * Set the link list to a given 2-d array
+	 * First key is the namespace, second is the DB key, value arbitrary
+	 */
+	function setArray( $array ) {
+		$this->data = $array;
+	}
+
+	/**
+	 * Returns true if no pages have been added, false otherwise.
+	 */
+	function isEmpty() {
+		return ($this->getSize() == 0);
+	}
+
+	/**
+	 * Returns the size of the batch.
+	 */
+	function getSize() {
+		return count( $this->data );
+	}
+
+	/**
+	 * Do the query and add the results to the LinkCache object
+	 * Return an array mapping PDBK to ID
+	 */
+	 function execute() {
+	 	$linkCache =& LinkCache::singleton();
+	 	$this->executeInto( $linkCache );
+	 }
+
+	/**
+	 * Do the query and add the results to a given LinkCache object
+	 * Return an array mapping PDBK to ID
+	 */
+	function executeInto( &$cache ) {
+		$fname = 'LinkBatch::executeInto';
+		wfProfileIn( $fname );
+		// Do query
+		$res = $this->doQuery();
+		if ( !$res ) {
+			wfProfileOut( $fname );
+			return array();
+		}
+
+		// For each returned entry, add it to the list of good links, and remove it from $remaining
+
+		$ids = array();
+		$remaining = $this->data;
+		while ( $row = $res->fetchObject() ) {
+			$title = Title::makeTitle( $row->page_namespace, $row->page_title );
+			$cache->addGoodLinkObj( $row->page_id, $title );
+			$ids[$title->getPrefixedDBkey()] = $row->page_id;
+			unset( $remaining[$row->page_namespace][$row->page_title] );
+		}
+		$res->free();
+
+		// The remaining links in $data are bad links, register them as such
+		foreach ( $remaining as $ns => $dbkeys ) {
+			foreach ( $dbkeys as $dbkey => $nothing ) {
+				$title = Title::makeTitle( $ns, $dbkey );
+				$cache->addBadLinkObj( $title );
+				$ids[$title->getPrefixedDBkey()] = 0;
+			}
+		}
+		wfProfileOut( $fname );
+		return $ids;
+	}
+
+	/**
+	 * Perform the existence test query, return a ResultWrapper with page_id fields
+	 */
+	function doQuery() {
+		$fname = 'LinkBatch::doQuery';
+		$namespaces = array();
+
+		if ( $this->isEmpty() ) {
+			return false;
+		}
+		wfProfileIn( $fname );
+
+		// Construct query
+		// This is very similar to Parser::replaceLinkHolders
+		$dbr =& wfGetDB( DB_SLAVE );
+		$page = $dbr->tableName( 'page' );
+		$set = $this->constructSet( 'page', $dbr );
+		if ( $set === false ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+		$sql = "SELECT page_id, page_namespace, page_title FROM $page WHERE $set";
+
+		// Do query
+		$res = new ResultWrapper( $dbr,  $dbr->query( $sql, $fname ) );
+		wfProfileOut( $fname );
+		return $res;
+	}
+
+	/**
+	 * Construct a WHERE clause which will match all the given titles.
+	 * Give the appropriate table's field name prefix ('page', 'pl', etc).
+	 *
+	 * @param $prefix String: ??
+	 * @return string
+	 * @public
+	 */
+	function constructSet( $prefix, &$db ) {
+		$first = true;
+		$firstTitle = true;
+		$sql = '';
+		foreach ( $this->data as $ns => $dbkeys ) {
+			if ( !count( $dbkeys ) ) {
+				continue;
+			}
+
+			if ( $first ) {
+				$first = false;
+			} else {
+				$sql .= ' OR ';
+			}
+			$sql .= "({$prefix}_namespace=$ns AND {$prefix}_title IN (";
+
+			$firstTitle = true;
+			foreach( $dbkeys as $dbkey => $nothing ) {
+				if ( $firstTitle ) {
+					$firstTitle = false;
+				} else {
+					$sql .= ',';
+				}
+				$sql .= $db->addQuotes( $dbkey );
+			}
+
+			$sql .= '))';
+		}
+		if ( $first && $firstTitle ) {
+			# No titles added
+			return false;
+		} else {
+			return $sql;
+		}
+	}
+}
+
+?>
diff --git a/includes/LinkCache.php b/includes/LinkCache.php
new file mode 100644
index 00000000..451b3f0c
--- /dev/null
+++ b/includes/LinkCache.php
@@ -0,0 +1,178 @@
+<?php
+/**
+ * Cache for article titles (prefixed DB keys) and ids linked from one source
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+class LinkCache {
+	// Increment $mClassVer whenever old serialized versions of this class
+	// becomes incompatible with the new version.
+	/* private */ var $mClassVer = 3;
+
+	/* private */ var $mPageLinks;
+	/* private */ var $mGoodLinks, $mBadLinks;
+	/* private */ var $mForUpdate;
+
+	/**
+	 * Get an instance of this class
+	 */
+	function &singleton() {
+		static $instance;
+		if ( !isset( $instance ) ) {
+			$instance = new LinkCache;
+		}
+		return $instance;
+	}
+
+	function LinkCache() {
+		$this->mForUpdate = false;
+		$this->mPageLinks = array();
+		$this->mGoodLinks = array();
+		$this->mBadLinks = array();
+	}
+
+	/* private */ function getKey( $title ) {
+		global $wgDBname;
+		return $wgDBname.':lc:title:'.$title;
+	}
+
+	/**
+	 * General accessor to get/set whether SELECT FOR UPDATE should be used
+	 */
+	function forUpdate( $update = NULL ) {
+		return wfSetVar( $this->mForUpdate, $update );
+	}
+
+	function getGoodLinkID( $title ) {
+		if ( array_key_exists( $title, $this->mGoodLinks ) ) {
+			return $this->mGoodLinks[$title];
+		} else {
+			return 0;
+		}
+	}
+
+	function isBadLink( $title ) {
+		return array_key_exists( $title, $this->mBadLinks );
+	}
+
+	function addGoodLinkObj( $id, $title ) {
+		$dbkey = $title->getPrefixedDbKey();
+		$this->mGoodLinks[$dbkey] = $id;
+		$this->mPageLinks[$dbkey] = $title;
+	}
+
+	function addBadLinkObj( $title ) {
+		$dbkey = $title->getPrefixedDbKey();
+		if ( ! $this->isBadLink( $dbkey ) ) {
+			$this->mBadLinks[$dbkey] = 1;
+			$this->mPageLinks[$dbkey] = $title;
+		}
+	}
+
+	function clearBadLink( $title ) {
+		unset( $this->mBadLinks[$title] );
+		$this->clearLink( $title );
+	}
+
+	function clearLink( $title ) {
+		global $wgMemc, $wgLinkCacheMemcached;
+		if( $wgLinkCacheMemcached )
+			$wgMemc->delete( $this->getKey( $title ) );
+	}
+
+	function getPageLinks() { return $this->mPageLinks; }
+	function getGoodLinks() { return $this->mGoodLinks; }
+	function getBadLinks() { return array_keys( $this->mBadLinks ); }
+
+	/**
+	 * Add a title to the link cache, return the page_id or zero if non-existent
+	 * @param $title String: title to add
+	 * @return integer
+	 */
+	function addLink( $title ) {
+		$nt = Title::newFromDBkey( $title );
+		if( $nt ) {
+			return $this->addLinkObj( $nt );
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * Add a title to the link cache, return the page_id or zero if non-existent
+	 * @param $nt Title to add.
+	 * @return integer
+	 */
+	function addLinkObj( &$nt ) {
+		global $wgMemc, $wgLinkCacheMemcached, $wgAntiLockFlags;
+		$title = $nt->getPrefixedDBkey();
+		if ( $this->isBadLink( $title ) ) { return 0; }
+		$id = $this->getGoodLinkID( $title );
+		if ( 0 != $id ) { return $id; }
+
+		$fname = 'LinkCache::addLinkObj';
+		global $wgProfiling, $wgProfiler;
+		if ( $wgProfiling && isset( $wgProfiler ) ) {
+			$fname .= ' (' . $wgProfiler->getCurrentSection() . ')';
+		}
+
+		wfProfileIn( $fname );
+
+		$ns = $nt->getNamespace();
+		$t = $nt->getDBkey();
+
+		if ( '' == $title ) {
+			wfProfileOut( $fname );
+			return 0;
+		}
+
+		$id = NULL;
+		if( $wgLinkCacheMemcached )
+			$id = $wgMemc->get( $key = $this->getKey( $title ) );
+		if( ! is_integer( $id ) ) {
+			if ( $this->mForUpdate ) {
+				$db =& wfGetDB( DB_MASTER );
+				if ( !( $wgAntiLockFlags & ALF_NO_LINK_LOCK ) ) {
+					$options = array( 'FOR UPDATE' );
+				} else {
+					$options = array();
+				}
+			} else {
+				$db =& wfGetDB( DB_SLAVE );
+				$options = array();
+			}
+
+			$id = $db->selectField( 'page', 'page_id',
+					array( 'page_namespace' => $ns, 'page_title' => $t ),
+					$fname, $options );
+			if ( !$id ) {
+				$id = 0;
+			}
+			if( $wgLinkCacheMemcached )
+				$wgMemc->add( $key, $id, 3600*24 );
+		}
+
+		if( 0 == $id ) {
+			$this->addBadLinkObj( $nt );
+		} else {
+			$this->addGoodLinkObj( $id, $nt );
+		}
+		wfProfileOut( $fname );
+		return $id;
+	}
+
+	/**
+	 * Clears cache
+	 */
+	function clear() {
+		$this->mPageLinks = array();
+		$this->mGoodLinks = array();
+		$this->mBadLinks = array();
+	}
+}
+?>
diff --git a/includes/LinkFilter.php b/includes/LinkFilter.php
new file mode 100644
index 00000000..e03b59dd
--- /dev/null
+++ b/includes/LinkFilter.php
@@ -0,0 +1,92 @@
+<?php
+
+/**
+ * Some functions to help implement an external link filter for spam control.
+ * 
+ * TODO: implement the filter. Currently these are just some functions to help
+ * maintenance/cleanupSpam.php remove links to a single specified domain. The
+ * next thing is to implement functions for checking a given page against a big
+ * list of domains.
+ *
+ * Another cool thing to do would be a web interface for fast spam removal.
+ */
+class LinkFilter {
+	/**
+	 * @static
+	 */
+	function matchEntry( $text, $filterEntry ) {
+		$regex = LinkFilter::makeRegex( $filterEntry );
+		return preg_match( $regex, $text );
+	}
+
+	/**
+	 * @static
+	 */
+	function makeRegex( $filterEntry ) {
+		$regex = '!http://';
+		if ( substr( $filterEntry, 0, 2 ) == '*.' ) {
+			$regex .= '([A-Za-z0-9.-]+\.|)';
+			$filterEntry = substr( $filterEntry, 2 );
+		}
+		$regex .= preg_quote( $filterEntry, '!' ) . '!Si';
+		return $regex;
+	}
+
+	/**
+	 * Make a string to go after an SQL LIKE, which will match the specified
+	 * string. There are several kinds of filter entry:
+	 *     *.domain.com    -  Produces http://com.domain.%, matches domain.com
+	 *                        and www.domain.com
+	 *     domain.com      -  Produces http://com.domain./%, matches domain.com
+	 *                        or domain.com/ but not www.domain.com
+	 *     *.domain.com/x  -  Produces http://com.domain.%/x%, matches
+	 *                        www.domain.com/xy
+	 *     domain.com/x    -  Produces http://com.domain./x%, matches
+	 *                        domain.com/xy but not www.domain.com/xy
+	 *
+	 * Asterisks in any other location are considered invalid.
+	 * 
+	 * @static
+	 */
+	function makeLike( $filterEntry ) {
+		if ( substr( $filterEntry, 0, 2 ) == '*.' ) {
+			$subdomains = true;
+			$filterEntry = substr( $filterEntry, 2 );
+			if ( $filterEntry == '' ) {
+				// We don't want to make a clause that will match everything,
+				// that could be dangerous
+				return false;
+			}
+		} else {
+			$subdomains = false;
+		}
+		// No stray asterisks, that could cause confusion
+		// It's not simple or efficient to handle it properly so we don't
+		// handle it at all.
+		if ( strpos( $filterEntry, '*' ) !== false ) {
+			return false;
+		}
+		$slash = strpos( $filterEntry, '/' );
+		if ( $slash !== false ) {
+			$path = substr( $filterEntry, $slash );
+			$host = substr( $filterEntry, 0, $slash );
+		} else {
+			$path = '/';
+			$host = $filterEntry;
+		}
+		$host = strtolower( implode( '.', array_reverse( explode( '.', $host ) ) ) );
+		if ( substr( $host, -1, 1 ) !== '.' ) {
+			$host .= '.';
+		}
+		$like = "http://$host";
+		
+		if ( $subdomains ) {
+			$like .= '%';
+		}
+		if ( !$subdomains || $path !== '/' ) {
+			$like .= $path . '%';
+		}
+		return $like;
+	}
+}
+?>
diff --git a/includes/Linker.php b/includes/Linker.php
new file mode 100644
index 00000000..4a0eafbd
--- /dev/null
+++ b/includes/Linker.php
@@ -0,0 +1,1101 @@
+<?php
+/**
+ * Split off some of the internal bits from Skin.php.
+ * These functions are used for primarily page content:
+ * links, embedded images, table of contents. Links are
+ * also used in the skin.
+ * @package MediaWiki
+ */
+
+/**
+ * For the moment, Skin is a descendent class of Linker.
+ * In the future, it should probably be further split
+ * so that ever other bit of the wiki doesn't have to
+ * go loading up Skin to get at it.
+ *
+ * @package MediaWiki
+ */
+class Linker {
+
+	function Linker() {}
+
+	/**
+	 * @deprecated
+	 */
+	function postParseLinkColour( $s = NULL ) {
+		return NULL;
+	}
+
+	/** @todo document */
+	function getExternalLinkAttributes( $link, $text, $class='' ) {
+		$link = htmlspecialchars( $link );
+
+		$r = ($class != '') ? " class=\"$class\"" : " class=\"external\"";
+
+		$r .= " title=\"{$link}\"";
+		return $r;
+	}
+
+	function getInterwikiLinkAttributes( $link, $text, $class='' ) {
+		global $wgContLang;
+
+		$same = ($link == $text);
+		$link = urldecode( $link );
+		$link = $wgContLang->checkTitleEncoding( $link );
+		$link = preg_replace( '/[\\x00-\\x1f]/', ' ', $link );
+		$link = htmlspecialchars( $link );
+
+		$r = ($class != '') ? " class=\"$class\"" : " class=\"external\"";
+
+		$r .= " title=\"{$link}\"";
+		return $r;
+	}
+
+	/** @todo document */
+	function getInternalLinkAttributes( $link, $text, $broken = false ) {
+		$link = urldecode( $link );
+		$link = str_replace( '_', ' ', $link );
+		$link = htmlspecialchars( $link );
+
+		if( $broken == 'stub' ) {
+			$r = ' class="stub"';
+		} else if ( $broken == 'yes' ) {
+			$r = ' class="new"';
+		} else {
+			$r = '';
+		}
+
+		$r .= " title=\"{$link}\"";
+		return $r;
+	}
+
+	/**
+	 * @param $nt Title object.
+	 * @param $text String: FIXME
+	 * @param $broken Boolean: FIXME, default 'false'.
+	 */
+	function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
+		if( $broken == 'stub' ) {
+			$r = ' class="stub"';
+		} else if ( $broken == 'yes' ) {
+			$r = ' class="new"';
+		} else {
+			$r = '';
+		}
+
+		$r .= ' title="' . $nt->getEscapedText() . '"';
+		return $r;
+	}
+
+	/**
+	 * This function is a shortcut to makeLinkObj(Title::newFromText($title),...). Do not call
+	 * it if you already have a title object handy. See makeLinkObj for further documentation.
+	 *
+	 * @param $title String: the text of the title
+	 * @param $text  String: link text
+	 * @param $query String: optional query part
+	 * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+	 *                      be included in the link text. Other characters will be appended after
+	 *                      the end of the link.
+	 */
+	function makeLink( $title, $text = '', $query = '', $trail = '' ) {
+		wfProfileIn( 'Linker::makeLink' );
+	 	$nt = Title::newFromText( $title );
+		if ($nt) {
+			$result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
+		} else {
+			wfDebug( 'Invalid title passed to Linker::makeLink(): "'.$title."\"\n" );
+			$result = $text == "" ? $title : $text;
+		}
+
+		wfProfileOut( 'Linker::makeLink' );
+		return $result;
+	}
+
+	/**
+	 * This function is a shortcut to makeKnownLinkObj(Title::newFromText($title),...). Do not call
+	 * it if you already have a title object handy. See makeKnownLinkObj for further documentation.
+	 * 
+	 * @param $title String: the text of the title
+	 * @param $text  String: link text
+	 * @param $query String: optional query part
+	 * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+	 *                      be included in the link text. Other characters will be appended after
+	 *                      the end of the link.
+	 */
+	function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
+		$nt = Title::newFromText( $title );
+		if ($nt) {
+			return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
+		} else {
+			wfDebug( 'Invalid title passed to Linker::makeKnownLink(): "'.$title."\"\n" );
+			return $text == '' ? $title : $text;
+		}
+	}
+
+	/**
+	 * This function is a shortcut to makeBrokenLinkObj(Title::newFromText($title),...). Do not call
+	 * it if you already have a title object handy. See makeBrokenLinkObj for further documentation.
+	 * 
+	 * @param string $title The text of the title
+	 * @param string $text Link text
+	 * @param string $query Optional query part
+	 * @param string $trail Optional trail. Alphabetic characters at the start of this string will
+	 *                      be included in the link text. Other characters will be appended after
+	 *                      the end of the link.
+	 */
+	function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
+		$nt = Title::newFromText( $title );
+		if ($nt) {
+			return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
+		} else {
+			wfDebug( 'Invalid title passed to Linker::makeBrokenLink(): "'.$title."\"\n" );
+			return $text == '' ? $title : $text;
+		}
+	}
+
+	/**
+	 * This function is a shortcut to makeStubLinkObj(Title::newFromText($title),...). Do not call
+	 * it if you already have a title object handy. See makeStubLinkObj for further documentation.
+	 * 
+	 * @param $title String: the text of the title
+	 * @param $text  String: link text
+	 * @param $query String: optional query part
+	 * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+	 *                      be included in the link text. Other characters will be appended after
+	 *                      the end of the link.
+	 */
+	function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
+		$nt = Title::newFromText( $title );
+		if ($nt) {
+			return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
+		} else {
+			wfDebug( 'Invalid title passed to Linker::makeStubLink(): "'.$title."\"\n" );
+			return $text == '' ? $title : $text;
+		}
+	}
+
+	/**
+	 * Make a link for a title which may or may not be in the database. If you need to
+	 * call this lots of times, pre-fill the link cache with a LinkBatch, otherwise each
+	 * call to this will result in a DB query.
+	 * 
+	 * @param $title String: the text of the title
+	 * @param $text  String: link text
+	 * @param $query String: optional query part
+	 * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+	 *                      be included in the link text. Other characters will be appended after
+	 *                      the end of the link.
+	 */
+	function makeLinkObj( $nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
+		global $wgUser;
+		$fname = 'Linker::makeLinkObj';
+		wfProfileIn( $fname );
+
+		# Fail gracefully
+		if ( ! is_object($nt) ) {
+			# throw new MWException();
+			wfProfileOut( $fname );
+			return "<!-- ERROR -->{$prefix}{$text}{$trail}";
+		}
+
+		$ns = $nt->getNamespace();
+		$dbkey = $nt->getDBkey();
+		if ( $nt->isExternal() ) {
+			$u = $nt->getFullURL();
+			$link = $nt->getPrefixedURL();
+			if ( '' == $text ) { $text = $nt->getPrefixedText(); }
+			$style = $this->getInterwikiLinkAttributes( $link, $text, 'extiw' );
+
+			$inside = '';
+			if ( '' != $trail ) {
+				if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
+					$inside = $m[1];
+					$trail = $m[2];
+				}
+			}
+
+			# Check for anchors, normalize the anchor
+
+			$parts = explode( '#', $u, 2 );
+			if ( count( $parts ) == 2 ) {
+				$anchor = urlencode( Sanitizer::decodeCharReferences( str_replace(' ', '_', $parts[1] ) ) );
+				$replacearray = array(
+					'%3A' => ':',
+					'%' => '.'
+				);
+				$u = $parts[0] . '#' .
+				     str_replace( array_keys( $replacearray ),
+				    		 array_values( $replacearray ),
+						 $anchor );
+			}
+
+			$t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
+
+			wfProfileOut( $fname );
+			return $t;
+		} elseif ( $nt->isAlwaysKnown() ) {
+			# Image links, special page links and self-links with fragements are always known.
+			$retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
+		} else {
+			wfProfileIn( $fname.'-immediate' );
+			# Work out link colour immediately
+			$aid = $nt->getArticleID() ;
+			if ( 0 == $aid ) {
+				$retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
+			} else {
+				$threshold = $wgUser->getOption('stubthreshold') ;
+				if ( $threshold > 0 ) {
+					$dbr =& wfGetDB( DB_SLAVE );
+					$s = $dbr->selectRow(
+						array( 'page' ),
+						array( 'page_len',
+							'page_namespace',
+							'page_is_redirect' ),
+						array( 'page_id' => $aid ), $fname ) ;
+					if ( $s !== false ) {
+						$size = $s->page_len;
+						if ( $s->page_is_redirect OR $s->page_namespace != NS_MAIN ) {
+							$size = $threshold*2 ; # Really big
+						}
+					} else {
+						$size = $threshold*2 ; # Really big
+					}
+				} else {
+					$size = 1 ;
+				}
+				if ( $size < $threshold ) {
+					$retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
+				} else {
+					$retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
+				}
+			}
+			wfProfileOut( $fname.'-immediate' );
+		}
+		wfProfileOut( $fname );
+		return $retVal;
+	}
+
+	/**
+	 * Make a link for a title which definitely exists. This is faster than makeLinkObj because
+	 * it doesn't have to do a database query. It's also valid for interwiki titles and special
+	 * pages.
+	 *
+	 * @param $nt Title object of target page
+	 * @param $text   String: text to replace the title
+	 * @param $query  String: link target
+	 * @param $trail  String: text after link
+	 * @param $prefix String: text before link text
+	 * @param $aprops String: extra attributes to the a-element
+	 * @param $style  String: style to apply - if empty, use getInternalLinkAttributesObj instead
+	 * @return the a-element
+	 */
+	function makeKnownLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '', $style = '' ) {
+
+		$fname = 'Linker::makeKnownLinkObj';
+		wfProfileIn( $fname );
+
+		if ( !is_object( $nt ) ) {
+			wfProfileOut( $fname );
+			return $text;
+		}
+
+		$u = $nt->escapeLocalURL( $query );
+		if ( $nt->getFragment() != '' ) {
+			if( $nt->getPrefixedDbkey() == '' ) {
+				$u = '';
+				if ( '' == $text ) {
+					$text = htmlspecialchars( $nt->getFragment() );
+				}
+			}
+			$anchor = urlencode( Sanitizer::decodeCharReferences( str_replace( ' ', '_', $nt->getFragment() ) ) );
+			$replacearray = array(
+				'%3A' => ':',
+				'%' => '.'
+			);
+			$u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
+		}
+		if ( $text == '' ) {
+			$text = htmlspecialchars( $nt->getPrefixedText() );
+		}
+		if ( $style == '' ) {
+			$style = $this->getInternalLinkAttributesObj( $nt, $text );
+		}
+
+		if ( $aprops !== '' ) $aprops = ' ' . $aprops;
+
+		list( $inside, $trail ) = Linker::splitTrail( $trail );
+		$r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
+		wfProfileOut( $fname );
+		return $r;
+	}
+
+	/**
+	 * Make a red link to the edit page of a given title.
+	 * 
+	 * @param $title String: The text of the title
+	 * @param $text  String: Link text
+	 * @param $query String: Optional query part
+	 * @param $trail String: Optional trail. Alphabetic characters at the start of this string will
+	 *                      be included in the link text. Other characters will be appended after
+	 *                      the end of the link.
+	 */
+	function makeBrokenLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		# Fail gracefully
+		if ( ! isset($nt) ) {
+			# throw new MWException();
+			return "<!-- ERROR -->{$prefix}{$text}{$trail}";
+		}
+
+		$fname = 'Linker::makeBrokenLinkObj';
+		wfProfileIn( $fname );
+
+		if ( '' == $query ) {
+			$q = 'action=edit';
+		} else {
+			$q = 'action=edit&'.$query;
+		}
+		$u = $nt->escapeLocalURL( $q );
+
+		if ( '' == $text ) {
+			$text = htmlspecialchars( $nt->getPrefixedText() );
+		}
+		$style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
+
+		list( $inside, $trail ) = Linker::splitTrail( $trail );
+		$s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
+
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+	/**
+	 * Make a brown link to a short article.
+	 * 
+	 * @param $title String: the text of the title
+	 * @param $text  String: link text
+	 * @param $query String: optional query part
+	 * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+	 *                      be included in the link text. Other characters will be appended after
+	 *                      the end of the link.
+	 */
+	function makeStubLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		$link = $nt->getPrefixedURL();
+
+		$u = $nt->escapeLocalURL( $query );
+
+		if ( '' == $text ) {
+			$text = htmlspecialchars( $nt->getPrefixedText() );
+		}
+		$style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
+
+		list( $inside, $trail ) = Linker::splitTrail( $trail );
+		$s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
+		return $s;
+	}
+
+	/**
+	 * Generate either a normal exists-style link or a stub link, depending
+	 * on the given page size.
+	 *
+ 	 * @param $size Integer
+ 	 * @param $nt Title object.
+ 	 * @param $text String
+ 	 * @param $query String
+ 	 * @param $trail String
+ 	 * @param $prefix String
+ 	 * @return string HTML of link
+	 */
+	function makeSizeLinkObj( $size, $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		global $wgUser;
+		$threshold = intval( $wgUser->getOption( 'stubthreshold' ) );
+		if( $size < $threshold ) {
+			return $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
+		} else {
+			return $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
+		}
+	}
+
+	/** 
+	 * Make appropriate markup for a link to the current article. This is currently rendered
+	 * as the bold link text. The calling sequence is the same as the other make*LinkObj functions,
+	 * despite $query not being used.
+	 */
+	function makeSelfLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		if ( '' == $text ) {
+			$text = htmlspecialchars( $nt->getPrefixedText() );
+		}
+		list( $inside, $trail ) = Linker::splitTrail( $trail );
+		return "<strong class=\"selflink\">{$prefix}{$text}{$inside}</strong>{$trail}";
+	}
+
+	/** @todo document */
+	function fnamePart( $url ) {
+		$basename = strrchr( $url, '/' );
+		if ( false === $basename ) {
+			$basename = $url;
+		} else {
+			$basename = substr( $basename, 1 );
+		}
+		return htmlspecialchars( $basename );
+	}
+
+	/** Obsolete alias */
+	function makeImage( $url, $alt = '' ) {
+		return $this->makeExternalImage( $url, $alt );
+	}
+
+	/** @todo document */
+	function makeExternalImage( $url, $alt = '' ) {
+		if ( '' == $alt ) {
+			$alt = $this->fnamePart( $url );
+		}
+		$s = '<img src="'.$url.'" alt="'.$alt.'" />';
+		return $s;
+	}
+
+	/** @todo document */
+	function makeImageLinkObj( $nt, $label, $alt, $align = '', $width = false, $height = false, $framed = false,
+	  $thumb = false, $manual_thumb = '' )
+	{
+		global $wgContLang, $wgUser, $wgThumbLimits, $wgGenerateThumbnailOnParse;
+
+		$img   = new Image( $nt );
+		if ( !$img->allowInlineDisplay() && $img->exists() ) {
+			return $this->makeKnownLinkObj( $nt );
+		}
+
+		$url   = $img->getViewURL();
+		$error = $prefix = $postfix = '';
+
+		wfDebug( "makeImageLinkObj: '$width'x'$height'\n" );
+
+		if ( 'center' == $align )
+		{
+			$prefix  = '<div class="center">';
+			$postfix = '</div>';
+			$align   = 'none';
+		}
+
+		if ( $thumb || $framed ) {
+
+			# Create a thumbnail. Alignment depends on language
+			# writing direction, # right aligned for left-to-right-
+			# languages ("Western languages"), left-aligned
+			# for right-to-left-languages ("Semitic languages")
+			#
+			# If  thumbnail width has not been provided, it is set
+			# to the default user option as specified in Language*.php
+			if ( $align == '' ) {
+				$align = $wgContLang->isRTL() ? 'left' : 'right';
+			}
+
+
+			if ( $width === false ) {
+				$wopt = $wgUser->getOption( 'thumbsize' );
+
+				if( !isset( $wgThumbLimits[$wopt] ) ) {
+					 $wopt = User::getDefaultOption( 'thumbsize' );
+				}
+
+				$width = min( $img->getWidth(), $wgThumbLimits[$wopt] );
+			}
+
+			return $prefix.$this->makeThumbLinkObj( $img, $label, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
+		}
+
+		if ( $width && $img->exists() ) {
+
+			# Create a resized image, without the additional thumbnail
+			# features
+
+			if ( $height == false )
+				$height = -1;
+			if ( $manual_thumb == '') {
+				$thumb = $img->getThumbnail( $width, $height, $wgGenerateThumbnailOnParse );
+				if ( $thumb ) {
+					// In most cases, $width = $thumb->width or $height = $thumb->height.
+					// If not, we're scaling the image larger than it can be scaled,
+					// so we send to the browser a smaller thumbnail, and let the client do the scaling.
+
+					if ($height != -1 && $width > $thumb->width * $height / $thumb->height) {
+						// $height is the limiting factor, not $width
+						// set $width to the largest it can be, such that the resulting
+						// scaled height is at most $height
+						$width = floor($thumb->width * $height / $thumb->height);
+					}
+					$height = round($thumb->height * $width / $thumb->width);
+
+					wfDebug( "makeImageLinkObj: client-size set to '$width x $height'\n" );
+					$url = $thumb->getUrl();
+				} else {
+					$error = htmlspecialchars( $img->getLastError() );
+				}
+			}
+		} else {
+			$width = $img->width;
+			$height = $img->height;
+		}
+
+		wfDebug( "makeImageLinkObj2: '$width'x'$height'\n" );
+		$u = $nt->escapeLocalURL();
+		if ( $error ) {
+			$s = $error;
+		} elseif ( $url == '' ) {
+			$s = $this->makeBrokenImageLinkObj( $img->getTitle() );
+			//$s .= "<br />{$alt}<br />{$url}<br />\n";
+		} else {
+			$s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
+				 '<img src="'.$url.'" alt="'.$alt.'" ' .
+				 ( $width
+				 	? ( 'width="'.$width.'" height="'.$height.'" ' )
+				 	: '' ) .
+				 'longdesc="'.$u.'" /></a>';
+		}
+		if ( '' != $align ) {
+			$s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
+		}
+		return str_replace("\n", ' ',$prefix.$s.$postfix);
+	}
+
+	/**
+	 * Make HTML for a thumbnail including image, border and caption
+	 * $img is an Image object
+	 */
+	function makeThumbLinkObj( $img, $label = '', $alt, $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
+		global $wgStylePath, $wgContLang, $wgGenerateThumbnailOnParse;
+		$url  = $img->getViewURL();
+		$thumbUrl = '';
+		$error = '';
+
+		$width = $height = 0;
+		if ( $img->exists() ) {
+			$width  = $img->getWidth();
+			$height = $img->getHeight();
+		}
+		if ( 0 == $width || 0 == $height ) {
+			$width = $height = 180;
+		}
+		if ( $boxwidth == 0 ) {
+			$boxwidth = 180;
+		}
+		if ( $framed ) {
+			// Use image dimensions, don't scale
+			$boxwidth  = $width;
+			$boxheight = $height;
+			$thumbUrl  = $url;
+		} else {
+			if ( $boxheight === false )
+				$boxheight = -1;
+			if ( '' == $manual_thumb ) {
+				$thumb = $img->getThumbnail( $boxwidth, $boxheight, $wgGenerateThumbnailOnParse );
+				if ( $thumb ) {
+					$thumbUrl = $thumb->getUrl();
+					$boxwidth = $thumb->width;
+					$boxheight = $thumb->height;
+				} else {
+					$error = $img->getLastError();
+				}
+			}
+		}
+		$oboxwidth = $boxwidth + 2;
+
+		if ( $manual_thumb != '' ) # Use manually specified thumbnail
+		{
+			$manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
+			if( $manual_title ) {
+				$manual_img = new Image( $manual_title );
+				$thumbUrl = $manual_img->getViewURL();
+				if ( $manual_img->exists() )
+				{
+					$width  = $manual_img->getWidth();
+					$height = $manual_img->getHeight();
+					$boxwidth = $width ;
+					$boxheight = $height ;
+					$oboxwidth = $boxwidth + 2 ;
+				}
+			}
+		}
+
+		$u = $img->getEscapeLocalURL();
+
+		$more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
+		$magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
+		$textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
+
+		$s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
+		if( $thumbUrl == '' ) {
+			// Couldn't generate thumbnail? Scale the image client-side.
+			$thumbUrl = $url;
+		}
+		if ( $error ) {
+			$s .= htmlspecialchars( $error );
+			$zoomicon = '';
+		} elseif( !$img->exists() ) {
+			$s .= $this->makeBrokenImageLinkObj( $img->getTitle() );
+			$zoomicon = '';
+		} else {
+			$s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
+				'<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
+				'width="'.$boxwidth.'" height="'.$boxheight.'" ' .
+				'longdesc="'.$u.'" /></a>';
+			if ( $framed ) {
+				$zoomicon="";
+			} else {
+				$zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
+					'<a href="'.$u.'" class="internal" title="'.$more.'">'.
+					'<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
+					'width="15" height="11" alt="'.$more.'" /></a></div>';
+			}
+		}
+		$s .= '  <div class="thumbcaption"'.$textalign.'>'.$zoomicon.$label."</div></div></div>";
+		return str_replace("\n", ' ', $s);
+	}
+
+	/**
+	 * Pass a title object, not a title string
+	 */
+	function makeBrokenImageLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		# Fail gracefully
+		if ( ! isset($nt) ) {
+			# throw new MWException();
+			return "<!-- ERROR -->{$prefix}{$text}{$trail}";
+		}
+
+		$fname = 'Linker::makeBrokenImageLinkObj';
+		wfProfileIn( $fname );
+
+		$q = 'wpDestFile=' . urlencode( $nt->getDBkey() );
+		if ( '' != $query ) {
+			$q .= "&$query";
+		}
+		$uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
+		$url = $uploadTitle->escapeLocalURL( $q );
+
+		if ( '' == $text ) {
+			$text = htmlspecialchars( $nt->getPrefixedText() );
+		}
+		$style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
+		list( $inside, $trail ) = Linker::splitTrail( $trail );
+		$s = "<a href=\"{$url}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
+
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+	/** @todo document */
+	function makeMediaLink( $name, /* wtf?! */ $url, $alt = '' ) {
+		$nt = Title::makeTitleSafe( NS_IMAGE, $name );
+		return $this->makeMediaLinkObj( $nt, $alt );
+	}
+
+	/**
+	 * Create a direct link to a given uploaded file.
+	 *
+	 * @param $title Title object.
+	 * @param $text  String: pre-sanitized HTML
+	 * @param $nourl Boolean: Mask absolute URLs, so the parser doesn't
+	 *                       linkify them (it is currently not context-aware)
+	 * @return string HTML
+	 *
+	 * @public
+	 * @todo Handle invalid or missing images better.
+	 */
+	function makeMediaLinkObj( $title, $text = '' ) {
+		if( is_null( $title ) ) {
+			### HOTFIX. Instead of breaking, return empty string.
+			return $text;
+		} else {
+			$name = $title->getDBKey();
+			$img  = new Image( $title );
+			if( $img->exists() ) {
+				$url  = $img->getURL();
+				$class = 'internal';
+			} else {
+				$upload = Title::makeTitle( NS_SPECIAL, 'Upload' );
+				$url = $upload->getLocalUrl( 'wpDestFile=' . urlencode( $img->getName() ) );
+				$class = 'new';
+			}
+			$alt = htmlspecialchars( $title->getText() );
+			if( $text == '' ) {
+				$text = $alt;
+			}
+			$u = htmlspecialchars( $url );
+			return "<a href=\"{$u}\" class=\"$class\" title=\"{$alt}\">{$text}</a>";
+		}
+	}
+
+	/** @todo document */
+	function specialLink( $name, $key = '' ) {
+		global $wgContLang;
+
+		if ( '' == $key ) { $key = strtolower( $name ); }
+		$pn = $wgContLang->ucfirst( $name );
+		return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
+		  wfMsg( $key ) );
+	}
+
+	/** @todo document */
+	function makeExternalLink( $url, $text, $escape = true, $linktype = '', $ns = null ) {
+		$style = $this->getExternalLinkAttributes( $url, $text, 'external ' . $linktype );
+		global $wgNoFollowLinks, $wgNoFollowNsExceptions;
+		if( $wgNoFollowLinks && !(isset($ns) && in_array($ns, $wgNoFollowNsExceptions)) ) {
+			$style .= ' rel="nofollow"';
+		}
+		$url = htmlspecialchars( $url );
+		if( $escape ) {
+			$text = htmlspecialchars( $text );
+		}
+		return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
+	}
+
+	/**
+	 * Make user link (or user contributions for unregistered users)
+	 * @param $userId   Integer: user id in database.
+	 * @param $userText String: user name in database
+	 * @return string HTML fragment
+	 * @private
+	 */
+	function userLink( $userId, $userText ) {
+		$encName = htmlspecialchars( $userText );
+		if( $userId == 0 ) {
+			$contribsPage = Title::makeTitle( NS_SPECIAL, 'Contributions' );
+			return $this->makeKnownLinkObj( $contribsPage,
+				$encName, 'target=' . urlencode( $userText ) );
+		} else {
+			$userPage = Title::makeTitle( NS_USER, $userText );
+			return $this->makeLinkObj( $userPage, $encName );
+		}
+	}
+
+	/**
+	 * @param $userId Integer: user id in database.
+	 * @param $userText String: user name in database.
+	 * @return string HTML fragment with talk and/or block links
+	 * @private
+	 */
+	function userToolLinks( $userId, $userText ) {
+		global $wgUser, $wgDisableAnonTalk, $wgSysopUserBans;
+		$talkable = !( $wgDisableAnonTalk && 0 == $userId );
+		$blockable = ( $wgSysopUserBans || 0 == $userId );
+
+		$items = array();
+		if( $talkable ) {
+			$items[] = $this->userTalkLink( $userId, $userText );
+		}
+		if( $userId ) {
+			$contribsPage = Title::makeTitle( NS_SPECIAL, 'Contributions' );
+			$items[] = $this->makeKnownLinkObj( $contribsPage,
+				wfMsgHtml( 'contribslink' ), 'target=' . urlencode( $userText ) );
+		}
+		if( $blockable && $wgUser->isAllowed( 'block' ) ) {
+			$items[] = $this->blockLink( $userId, $userText );
+		}
+
+		if( $items ) {
+			return ' (' . implode( ' | ', $items ) . ')';
+		} else {
+			return '';
+		}
+	}
+
+	/**
+	 * @param $userId Integer: user id in database.
+	 * @param $userText String: user name in database.
+	 * @return string HTML fragment with user talk link
+	 * @private
+	 */
+	function userTalkLink( $userId, $userText ) {
+		global $wgLang;
+		$talkname = $wgLang->getNsText( NS_TALK ); # use the shorter name
+
+		$userTalkPage = Title::makeTitle( NS_USER_TALK, $userText );
+		$userTalkLink = $this->makeLinkObj( $userTalkPage, $talkname );
+		return $userTalkLink;
+	}
+
+	/**
+	 * @param $userId Integer: userid
+	 * @param $userText String: user name in database.
+	 * @return string HTML fragment with block link
+	 * @private
+	 */
+	function blockLink( $userId, $userText ) {
+		$blockPage = Title::makeTitle( NS_SPECIAL, 'Blockip' );
+		$blockLink = $this->makeKnownLinkObj( $blockPage,
+			wfMsgHtml( 'blocklink' ), 'ip=' . urlencode( $userText ) );
+		return $blockLink;
+	}
+	
+	/**
+	 * Generate a user link if the current user is allowed to view it
+	 * @param $rev Revision object.
+	 * @return string HTML
+	 */
+	function revUserLink( $rev ) {
+		if( $rev->userCan( Revision::DELETED_USER ) ) {
+			$link = $this->userLink( $rev->getRawUser(), $rev->getRawUserText() );
+		} else {
+			$link = wfMsgHtml( 'rev-deleted-user' );
+		}
+		if( $rev->isDeleted( Revision::DELETED_USER ) ) {
+			return '<span class="history-deleted">' . $link . '</span>';
+		}
+		return $link;
+	}
+
+	/**
+	 * Generate a user tool link cluster if the current user is allowed to view it
+	 * @param $rev Revision object.
+	 * @return string HTML
+	 */
+	function revUserTools( $rev ) {
+		if( $rev->userCan( Revision::DELETED_USER ) ) {
+			$link = $this->userLink( $rev->getRawUser(), $rev->getRawUserText() ) .
+				' ' .
+				$this->userToolLinks( $rev->getRawUser(), $rev->getRawUserText() );
+		} else {
+			$link = wfMsgHtml( 'rev-deleted-user' );
+		}
+		if( $rev->isDeleted( Revision::DELETED_USER ) ) {
+			return '<span class="history-deleted">' . $link . '</span>';
+		}
+		return $link;
+	}
+	
+	/**
+	 * This function is called by all recent changes variants, by the page history,
+	 * and by the user contributions list. It is responsible for formatting edit
+	 * comments. It escapes any HTML in the comment, but adds some CSS to format
+	 * auto-generated comments (from section editing) and formats [[wikilinks]].
+	 *
+	 * The $title parameter must be a title OBJECT. It is used to generate a
+	 * direct link to the section in the autocomment.
+	 * @author Erik Moeller <moeller@scireview.de>
+	 *
+	 * Note: there's not always a title to pass to this function.
+	 * Since you can't set a default parameter for a reference, I've turned it
+	 * temporarily to a value pass. Should be adjusted further. --brion
+	 */
+	function formatComment($comment, $title = NULL) {
+		$fname = 'Linker::formatComment';
+		wfProfileIn( $fname );
+
+		global $wgContLang;
+		$comment = str_replace( "\n", " ", $comment );
+		$comment = htmlspecialchars( $comment );
+
+		# The pattern for autogen comments is / * foo * /, which makes for
+		# some nasty regex.
+		# We look for all comments, match any text before and after the comment,
+		# add a separator where needed and format the comment itself with CSS
+		while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
+			$pre=$match[1];
+			$auto=$match[2];
+			$post=$match[3];
+			$link='';
+			if( $title ) {
+				$section = $auto;
+
+				# Generate a valid anchor name from the section title.
+				# Hackish, but should generally work - we strip wiki
+				# syntax, including the magic [[: that is used to
+				# "link rather than show" in case of images and
+				# interlanguage links.
+				$section = str_replace( '[[:', '', $section );
+				$section = str_replace( '[[', '', $section );
+				$section = str_replace( ']]', '', $section );
+				$sectionTitle = wfClone( $title );
+				$sectionTitle->mFragment = $section;
+				$link = $this->makeKnownLinkObj( $sectionTitle, wfMsg( 'sectionlink' ) );
+			}
+			$sep='-';
+			$auto=$link.$auto;
+			if($pre) { $auto = $sep.' '.$auto; }
+			if($post) { $auto .= ' '.$sep; }
+			$auto='<span class="autocomment">'.$auto.'</span>';
+			$comment=$pre.$auto.$post;
+		}
+
+		# format regular and media links - all other wiki formatting
+		# is ignored
+		$medians = $wgContLang->getNsText( NS_MEDIA ) . ':';
+		while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
+			# Handle link renaming [[foo|text]] will show link as "text"
+			if( "" != $match[3] ) {
+				$text = $match[3];
+			} else {
+				$text = $match[1];
+			}
+			if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
+				# Media link; trail not supported.
+				$linkRegexp = '/\[\[(.*?)\]\]/';
+				$thelink = $this->makeMediaLink( $submatch[1], "", $text );
+			} else {
+				# Other kind of link
+				if( preg_match( $wgContLang->linkTrail(), $match[4], $submatch ) ) {
+					$trail = $submatch[1];
+				} else {
+					$trail = "";
+				}
+				$linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
+				if ($match[1][0] == ':')
+					$match[1] = substr($match[1], 1);
+				$thelink = $this->makeLink( $match[1], $text, "", $trail );
+			}
+			$comment = preg_replace( $linkRegexp, wfRegexReplacement( $thelink ), $comment, 1 );
+		}
+		wfProfileOut( $fname );
+		return $comment;
+	}
+
+	/**
+	 * Wrap a comment in standard punctuation and formatting if
+	 * it's non-empty, otherwise return empty string.
+	 *
+	 * @param $comment String: the comment.
+	 * @param $title Title object.
+	 *
+	 * @return string
+	 */
+	function commentBlock( $comment, $title = NULL ) {
+		// '*' used to be the comment inserted by the software way back
+		// in antiquity in case none was provided, here for backwards
+		// compatability, acc. to brion -ævar
+		if( $comment == '' || $comment == '*' ) {
+			return '';
+		} else {
+			$formatted = $this->formatComment( $comment, $title );
+			return " <span class=\"comment\">($formatted)</span>";
+		}
+	}
+	
+	/**
+	 * Wrap and format the given revision's comment block, if the current
+	 * user is allowed to view it.
+	 * @param $rev Revision object.
+	 * @return string HTML
+	 */
+	function revComment( $rev ) {
+		if( $rev->userCan( Revision::DELETED_COMMENT ) ) {
+			$block = $this->commentBlock( $rev->getRawComment(), $rev->getTitle() );
+		} else {
+			$block = " <span class=\"comment\">" .
+				wfMsgHtml( 'rev-deleted-comment' ) . "</span>";
+		}
+		if( $rev->isDeleted( Revision::DELETED_COMMENT ) ) {
+			return " <span class=\"history-deleted\">$block</span>";
+		}
+		return $block;
+	}
+
+	/** @todo document */
+	function tocIndent() {
+		return "\n<ul>";
+	}
+
+	/** @todo document */
+	function tocUnindent($level) {
+		return "</li>\n" . str_repeat( "</ul>\n</li>\n", $level>0 ? $level : 0 );
+	}
+
+	/**
+	 * parameter level defines if we are on an indentation level
+	 */
+	function tocLine( $anchor, $tocline, $tocnumber, $level ) {
+		return "\n<li class=\"toclevel-$level\"><a href=\"#" .
+			$anchor . '"><span class="tocnumber">' .
+			$tocnumber . '</span> <span class="toctext">' .
+			$tocline . '</span></a>';
+	}
+
+	/** @todo document */
+	function tocLineEnd() {
+		return "</li>\n";
+ 	}
+
+	/** @todo document */
+	function tocList($toc) {
+		global $wgJsMimeType;
+		$title =  wfMsgForContent('toc') ;
+		return
+		   '<table id="toc" class="toc" summary="' . $title .'"><tr><td>'
+		 . '<div id="toctitle"><h2>' . $title . "</h2></div>\n"
+		 . $toc
+		 # no trailing newline, script should not be wrapped in a
+		 # paragraph
+		 . "</ul>\n</td></tr></table>"
+		 . '<script type="' . $wgJsMimeType . '">'
+		 . ' if (window.showTocToggle) {'
+		 . ' var tocShowText = "' . wfEscapeJsString( wfMsgForContent('showtoc') ) . '";'
+		 . ' var tocHideText = "' . wfEscapeJsString( wfMsgForContent('hidetoc') ) . '";'
+		 . ' showTocToggle();'
+		 . ' } '
+		 . "</script>\n";
+	}
+
+	/** @todo document */
+	function editSectionLinkForOther( $title, $section ) {
+		global $wgContLang;
+
+		$title = Title::newFromText( $title );
+		$editurl = '&section='.$section;
+		$url = $this->makeKnownLinkObj( $title, wfMsg('editsection'), 'action=edit'.$editurl );
+
+		if( $wgContLang->isRTL() ) {
+			$farside = 'left';
+			$nearside = 'right';
+		} else {
+			$farside = 'right';
+			$nearside = 'left';
+		}
+		return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
+
+	}
+
+	/** 
+	 * @param $title Title object.
+	 * @param $section Integer: section number.
+	 * @param $hint Link String: title, or default if omitted or empty
+	 */
+	function editSectionLink( $nt, $section, $hint='' ) {
+		global $wgContLang;
+
+		$editurl = '&section='.$section;
+		$hint = ( $hint=='' ) ? '' : ' title="' . wfMsgHtml( 'editsectionhint', htmlspecialchars( $hint ) ) . '"';
+		$url = $this->makeKnownLinkObj( $nt, wfMsg('editsection'), 'action=edit'.$editurl, '', '', '',  $hint );
+
+		if( $wgContLang->isRTL() ) {
+			$farside = 'left';
+			$nearside = 'right';
+		} else {
+			$farside = 'right';
+			$nearside = 'left';
+		}
+		return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
+	}
+
+	/**
+	 * Split a link trail, return the "inside" portion and the remainder of the trail
+	 * as a two-element array
+	 *
+	 * @static
+	 */
+	function splitTrail( $trail ) {
+		static $regex = false;
+		if ( $regex === false ) {
+			global $wgContLang;
+			$regex = $wgContLang->linkTrail();
+		}
+		$inside = '';
+		if ( '' != $trail ) {
+			if ( preg_match( $regex, $trail, $m ) ) {
+				$inside = $m[1];
+				$trail = $m[2];
+			}
+		}
+		return array( $inside, $trail );
+	}
+
+}
+?>
diff --git a/includes/LinksUpdate.php b/includes/LinksUpdate.php
new file mode 100644
index 00000000..9e25bf07
--- /dev/null
+++ b/includes/LinksUpdate.php
@@ -0,0 +1,601 @@
+<?php
+/**
+ * See deferred.txt
+ * @package MediaWiki
+ */
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class LinksUpdate {
+
+	/**@{{
+	 * @private
+	 */
+	var $mId,            //!< Page ID of the article linked from
+		$mTitle,         //!< Title object of the article linked from
+		$mLinks,         //!< Map of title strings to IDs for the links in the document
+		$mImages,        //!< DB keys of the images used, in the array key only
+		$mTemplates,     //!< Map of title strings to IDs for the template references, including broken ones
+		$mExternals,     //!< URLs of external links, array key only
+		$mCategories,    //!< Map of category names to sort keys
+		$mInterlangs,    //!< Map of language codes to titles
+		$mDb,            //!< Database connection reference
+		$mOptions,       //!< SELECT options to be used (array)
+		$mRecursive;     //!< Whether to queue jobs for recursive updates
+	/**@}}*/
+
+	/**
+	 * Constructor
+	 * Initialize private variables
+	 * @param $title Integer: FIXME
+	 * @param $parserOutput FIXME
+	 * @param $recursive Boolean: FIXME, default 'true'.
+	 */
+	function LinksUpdate( $title, $parserOutput, $recursive = true ) {
+		global $wgAntiLockFlags;
+
+		if ( $wgAntiLockFlags & ALF_NO_LINK_LOCK ) {
+			$this->mOptions = array();
+		} else {
+			$this->mOptions = array( 'FOR UPDATE' );
+		}
+		$this->mDb =& wfGetDB( DB_MASTER );
+
+		if ( !is_object( $title ) ) {
+			throw new MWException( "The calling convention to LinksUpdate::LinksUpdate() has changed. " .
+				"Please see Article::editUpdates() for an invocation example.\n" );
+		}
+		$this->mTitle = $title;
+		$this->mId = $title->getArticleID();
+
+		$this->mLinks = $parserOutput->getLinks();
+		$this->mImages = $parserOutput->getImages();
+		$this->mTemplates = $parserOutput->getTemplates();
+		$this->mExternals = $parserOutput->getExternalLinks();
+		$this->mCategories = $parserOutput->getCategories();
+
+		# Convert the format of the interlanguage links
+		# I didn't want to change it in the ParserOutput, because that array is passed all 
+		# the way back to the skin, so either a skin API break would be required, or an 
+		# inefficient back-conversion.
+		$ill = $parserOutput->getLanguageLinks();
+		$this->mInterlangs = array();
+		foreach ( $ill as $link ) {
+			list( $key, $title ) = explode( ':', $link, 2 );
+			$this->mInterlangs[$key] = $title;
+		}
+
+		$this->mRecursive = $recursive;
+	}
+
+	/**
+	 * Update link tables with outgoing links from an updated article
+	 */
+	function doUpdate() {
+		global $wgUseDumbLinkUpdate;
+		if ( $wgUseDumbLinkUpdate ) {
+			$this->doDumbUpdate();
+		} else {
+			$this->doIncrementalUpdate();
+		}
+	}
+
+	function doIncrementalUpdate() {
+		$fname = 'LinksUpdate::doIncrementalUpdate';
+		wfProfileIn( $fname );
+		
+		# Page links
+		$existing = $this->getExistingLinks();
+		$this->incrTableUpdate( 'pagelinks', 'pl', $this->getLinkDeletions( $existing ),
+			$this->getLinkInsertions( $existing ) );
+
+		# Image links
+		$existing = $this->getExistingImages();
+		$this->incrTableUpdate( 'imagelinks', 'il', $this->getImageDeletions( $existing ),
+			$this->getImageInsertions( $existing ) );
+
+		# Invalidate all image description pages which had links added or removed
+		$imageUpdates = array_diff_key( $existing, $this->mImages ) + array_diff_key( $this->mImages, $existing );
+		$this->invalidateImageDescriptions( $imageUpdates );
+
+		# External links
+		$existing = $this->getExistingExternals();
+		$this->incrTableUpdate( 'externallinks', 'el', $this->getExternalDeletions( $existing ),
+	        $this->getExternalInsertions( $existing ) );
+
+		# Language links
+		$existing = $this->getExistingInterlangs();
+		$this->incrTableUpdate( 'langlinks', 'll', $this->getInterlangDeletions( $existing ),
+			$this->getInterlangInsertions( $existing ) );
+
+		# Template links
+		$existing = $this->getExistingTemplates();
+		$this->incrTableUpdate( 'templatelinks', 'tl', $this->getTemplateDeletions( $existing ),
+			$this->getTemplateInsertions( $existing ) );
+
+		# Category links
+		$existing = $this->getExistingCategories();
+		$this->incrTableUpdate( 'categorylinks', 'cl', $this->getCategoryDeletions( $existing ),
+			$this->getCategoryInsertions( $existing ) );
+
+		# Invalidate all categories which were added, deleted or changed (set symmetric difference)
+		$categoryUpdates = array_diff_assoc( $existing, $this->mCategories ) + array_diff_assoc( $this->mCategories, $existing );
+		$this->invalidateCategories( $categoryUpdates );
+
+		# Refresh links of all pages including this page
+		# This will be in a separate transaction
+		if ( $this->mRecursive ) {
+			$this->queueRecursiveJobs();
+		}
+		
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Link update which clears the previous entries and inserts new ones
+	 * May be slower or faster depending on level of lock contention and write speed of DB
+	 * Also useful where link table corruption needs to be repaired, e.g. in refreshLinks.php
+	 */
+	function doDumbUpdate() {
+		$fname = 'LinksUpdate::doDumbUpdate';
+		wfProfileIn( $fname );
+
+		# Refresh category pages and image description pages
+		$existing = $this->getExistingCategories();
+		$categoryUpdates = array_diff_assoc( $existing, $this->mCategories ) + array_diff_assoc( $this->mCategories, $existing );
+		$existing = $this->getExistingImages();
+		$imageUpdates = array_diff_key( $existing, $this->mImages ) + array_diff_key( $this->mImages, $existing );
+
+		$this->dumbTableUpdate( 'pagelinks',     $this->getLinkInsertions(),     'pl_from' );
+		$this->dumbTableUpdate( 'imagelinks',    $this->getImageInsertions(),    'il_from' );
+		$this->dumbTableUpdate( 'categorylinks', $this->getCategoryInsertions(), 'cl_from' );
+		$this->dumbTableUpdate( 'templatelinks', $this->getTemplateInsertions(), 'tl_from' );
+		$this->dumbTableUpdate( 'externallinks', $this->getExternalInsertions(), 'el_from' );
+		$this->dumbTableUpdate( 'langlinks',     $this->getInterlangInsertions(), 'll_from' );
+
+		# Update the cache of all the category pages and image description pages which were changed
+		$this->invalidateCategories( $categoryUpdates );
+		$this->invalidateImageDescriptions( $imageUpdates );
+
+		# Refresh links of all pages including this page
+		# This will be in a separate transaction
+		if ( $this->mRecursive ) {
+			$this->queueRecursiveJobs();
+		}
+
+		wfProfileOut( $fname );
+	}
+
+	function queueRecursiveJobs() {
+		wfProfileIn( __METHOD__ );
+		
+		$batchSize = 100;
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( array( 'templatelinks', 'page' ), 
+			array( 'page_namespace', 'page_title' ),
+			array( 
+				'page_id=tl_from', 
+				'tl_namespace' => $this->mTitle->getNamespace(),
+				'tl_title' => $this->mTitle->getDBkey()
+			), __METHOD__
+		);
+
+		$done = false;
+		while ( !$done ) {
+			$jobs = array();
+			for ( $i = 0; $i < $batchSize; $i++ ) {
+				$row = $dbr->fetchObject( $res );
+				if ( !$row ) {
+					$done = true;
+					break;
+				}
+				$title = Title::makeTitle( $row->page_namespace, $row->page_title );
+				$jobs[] = Job::factory( 'refreshLinks', $title );
+			}
+			Job::batchInsert( $jobs );
+		}
+		$dbr->freeResult( $res );
+		wfProfileOut( __METHOD__ );
+	}
+	
+	/**
+	 * Invalidate the cache of a list of pages from a single namespace
+	 *
+	 * @param integer $namespace
+	 * @param array $dbkeys
+	 */
+	function invalidatePages( $namespace, $dbkeys ) {
+		$fname = 'LinksUpdate::invalidatePages';
+		
+		if ( !count( $dbkeys ) ) {
+			return;
+		}
+		
+		/**
+		 * Determine which pages need to be updated
+		 * This is necessary to prevent the job queue from smashing the DB with
+		 * large numbers of concurrent invalidations of the same page
+		 */
+		$now = $this->mDb->timestamp();
+		$ids = array();
+		$res = $this->mDb->select( 'page', array( 'page_id' ), 
+			array( 
+				'page_namespace' => $namespace,
+				'page_title IN (' . $this->mDb->makeList( $dbkeys ) . ')',
+				'page_touched < ' . $this->mDb->addQuotes( $now )
+			), $fname
+		);
+		while ( $row = $this->mDb->fetchObject( $res ) ) {
+			$ids[] = $row->page_id;
+		}
+		if ( !count( $ids ) ) {
+			return;
+		}
+		
+		/**
+		 * Do the update
+		 * We still need the page_touched condition, in case the row has changed since 
+		 * the non-locking select above.
+		 */
+		$this->mDb->update( 'page', array( 'page_touched' => $now ), 
+			array( 
+				'page_id IN (' . $this->mDb->makeList( $ids ) . ')',
+				'page_touched < ' . $this->mDb->addQuotes( $now )
+			), $fname
+		);
+	}
+
+	function invalidateCategories( $cats ) {
+		$this->invalidatePages( NS_CATEGORY, array_keys( $cats ) );
+	}
+
+	function invalidateImageDescriptions( $images ) {
+		$this->invalidatePages( NS_IMAGE, array_keys( $images ) );
+	}
+
+	function dumbTableUpdate( $table, $insertions, $fromField ) {
+		$fname = 'LinksUpdate::dumbTableUpdate';
+		$this->mDb->delete( $table, array( $fromField => $this->mId ), $fname );
+		if ( count( $insertions ) ) {
+			# The link array was constructed without FOR UPDATE, so there may be collisions
+			# This may cause minor link table inconsistencies, which is better than
+			# crippling the site with lock contention.
+			$this->mDb->insert( $table, $insertions, $fname, array( 'IGNORE' ) );
+		}
+	}
+
+	/**
+	 * Make a WHERE clause from a 2-d NS/dbkey array
+	 *
+	 * @param array $arr 2-d array indexed by namespace and DB key
+	 * @param string $prefix Field name prefix, without the underscore
+	 */
+	function makeWhereFrom2d( &$arr, $prefix ) {
+		$lb = new LinkBatch;
+		$lb->setArray( $arr );
+		return $lb->constructSet( $prefix, $this->mDb );
+	}
+
+	/**
+	 * Update a table by doing a delete query then an insert query
+	 * @private
+	 */
+	function incrTableUpdate( $table, $prefix, $deletions, $insertions ) {
+		$fname = 'LinksUpdate::incrTableUpdate';
+		$where = array( "{$prefix}_from" => $this->mId );
+		if ( $table == 'pagelinks' || $table == 'templatelinks' ) {
+			$clause = $this->makeWhereFrom2d( $deletions, $prefix );
+			if ( $clause ) {
+				$where[] = $clause;
+			} else {
+				$where = false;
+			}
+		} else {
+			if ( $table == 'langlinks' ) {
+				$toField = 'll_lang';
+			} else {
+				$toField = $prefix . '_to';
+			}
+			if ( count( $deletions ) ) {
+				$where[] = "$toField IN (" . $this->mDb->makeList( array_keys( $deletions ) ) . ')';
+			} else {
+				$where = false;
+			}
+		}
+		if ( $where ) {
+			$this->mDb->delete( $table, $where, $fname );
+		}
+		if ( count( $insertions ) ) {
+			$this->mDb->insert( $table, $insertions, $fname, 'IGNORE' );
+		}
+	}
+
+
+	/**
+	 * Get an array of pagelinks insertions for passing to the DB
+	 * Skips the titles specified by the 2-D array $existing
+	 * @private
+	 */
+	function getLinkInsertions( $existing = array() ) {
+		$arr = array();
+		foreach( $this->mLinks as $ns => $dbkeys ) {
+			# array_diff_key() was introduced in PHP 5.1, there is a compatibility function
+			# in GlobalFunctions.php
+			$diffs = isset( $existing[$ns] ) ? array_diff_key( $dbkeys, $existing[$ns] ) : $dbkeys;
+			foreach ( $diffs as $dbk => $id ) {
+				$arr[] = array(
+					'pl_from'      => $this->mId,
+					'pl_namespace' => $ns,
+					'pl_title'     => $dbk
+				);
+			}
+		}
+		return $arr;
+	}
+
+	/**
+	 * Get an array of template insertions. Like getLinkInsertions()
+	 * @private
+	 */
+	function getTemplateInsertions( $existing = array() ) {
+		$arr = array();
+		foreach( $this->mTemplates as $ns => $dbkeys ) {
+			$diffs = isset( $existing[$ns] ) ? array_diff_key( $dbkeys, $existing[$ns] ) : $dbkeys;
+			foreach ( $diffs as $dbk => $id ) {
+				$arr[] = array(
+					'tl_from'      => $this->mId,
+					'tl_namespace' => $ns,
+					'tl_title'     => $dbk
+				);
+			}
+		}
+		return $arr;
+	}
+
+	/**
+	 * Get an array of image insertions
+	 * Skips the names specified in $existing
+	 * @private
+	 */
+	function getImageInsertions( $existing = array() ) {
+		$arr = array();
+		$diffs = array_diff_key( $this->mImages, $existing );
+		foreach( $diffs as $iname => $dummy ) {
+			$arr[] = array(
+				'il_from' => $this->mId,
+				'il_to'   => $iname
+			);
+		}
+		return $arr;
+	}
+
+	/**
+	 * Get an array of externallinks insertions. Skips the names specified in $existing
+	 * @private
+	 */
+	function getExternalInsertions( $existing = array() ) {
+		$arr = array();
+		$diffs = array_diff_key( $this->mExternals, $existing );
+		foreach( $diffs as $url => $dummy ) {
+			$arr[] = array(
+				'el_from'   => $this->mId,
+				'el_to'     => $url,
+				'el_index'  => wfMakeUrlIndex( $url ),
+			);
+		}
+		return $arr;
+	}
+
+	/**
+	 * Get an array of category insertions
+	 * @param array $existing Array mapping existing category names to sort keys. If both
+	 * match a link in $this, the link will be omitted from the output
+	 * @private
+	 */
+	function getCategoryInsertions( $existing = array() ) {
+		$diffs = array_diff_assoc( $this->mCategories, $existing );
+		$arr = array();
+		foreach ( $diffs as $name => $sortkey ) {
+			$arr[] = array(
+				'cl_from'    => $this->mId,
+				'cl_to'      => $name,
+				'cl_sortkey' => $sortkey,
+				'cl_timestamp' => $this->mDb->timestamp()
+			);
+		}
+		return $arr;
+	}
+
+	/**
+	 * Get an array of interlanguage link insertions
+	 * @param array $existing Array mapping existing language codes to titles	 
+	 * @private
+	 */
+	function getInterlangInsertions( $existing = array() ) {
+	    $diffs = array_diff_assoc( $this->mInterlangs, $existing );
+	    $arr = array();
+	    foreach( $diffs as $lang => $title ) {
+	        $arr[] = array(
+	            'll_from'  => $this->mId,
+	            'll_lang'  => $lang,
+	            'll_title' => $title
+	        );
+	    }
+	    return $arr;
+	}
+
+	/**
+	 * Given an array of existing links, returns those links which are not in $this
+	 * and thus should be deleted.
+	 * @private
+	 */
+	function getLinkDeletions( $existing ) {
+		$del = array();
+		foreach ( $existing as $ns => $dbkeys ) {
+			if ( isset( $this->mLinks[$ns] ) ) {
+				$del[$ns] = array_diff_key( $existing[$ns], $this->mLinks[$ns] );
+			} else {
+				$del[$ns] = $existing[$ns];
+			}
+		}
+		return $del;
+	}
+
+	/**
+	 * Given an array of existing templates, returns those templates which are not in $this
+	 * and thus should be deleted.
+	 * @private
+	 */
+	function getTemplateDeletions( $existing ) {
+		$del = array();
+		foreach ( $existing as $ns => $dbkeys ) {
+			if ( isset( $this->mTemplates[$ns] ) ) {
+				$del[$ns] = array_diff_key( $existing[$ns], $this->mTemplates[$ns] );
+			} else {
+				$del[$ns] = $existing[$ns];
+			}
+		}
+		return $del;
+	}
+
+	/**
+	 * Given an array of existing images, returns those images which are not in $this
+	 * and thus should be deleted.
+	 * @private
+	 */
+	function getImageDeletions( $existing ) {
+		return array_diff_key( $existing, $this->mImages );
+	}
+
+	/** 
+	 * Given an array of existing external links, returns those links which are not
+	 * in $this and thus should be deleted.
+	 * @private
+	 */
+	function getExternalDeletions( $existing ) {
+		return array_diff_key( $existing, $this->mExternals );
+	}
+
+	/**
+	 * Given an array of existing categories, returns those categories which are not in $this
+	 * and thus should be deleted.
+	 * @private
+	 */
+	function getCategoryDeletions( $existing ) {
+		return array_diff_assoc( $existing, $this->mCategories );
+	}
+
+	/** 
+	 * Given an array of existing interlanguage links, returns those links which are not
+	 * in $this and thus should be deleted.
+	 * @private
+	 */
+	function getInterlangDeletions( $existing ) {
+	    return array_diff_assoc( $existing, $this->mInterlangs );
+	}
+
+	/**
+	 * Get an array of existing links, as a 2-D array
+	 * @private
+	 */
+	function getExistingLinks() {
+		$fname = 'LinksUpdate::getExistingLinks';
+		$res = $this->mDb->select( 'pagelinks', array( 'pl_namespace', 'pl_title' ),
+			array( 'pl_from' => $this->mId ), $fname, $this->mOptions );
+		$arr = array();
+		while ( $row = $this->mDb->fetchObject( $res ) ) {
+			if ( !isset( $arr[$row->pl_namespace] ) ) {
+				$arr[$row->pl_namespace] = array();
+			}
+			$arr[$row->pl_namespace][$row->pl_title] = 1;
+		}
+		$this->mDb->freeResult( $res );
+		return $arr;
+	}
+
+	/**
+	 * Get an array of existing templates, as a 2-D array
+	 * @private
+	 */
+	function getExistingTemplates() {
+		$fname = 'LinksUpdate::getExistingTemplates';
+		$res = $this->mDb->select( 'templatelinks', array( 'tl_namespace', 'tl_title' ),
+			array( 'tl_from' => $this->mId ), $fname, $this->mOptions );
+		$arr = array();
+		while ( $row = $this->mDb->fetchObject( $res ) ) {
+			if ( !isset( $arr[$row->tl_namespace] ) ) {
+				$arr[$row->tl_namespace] = array();
+			}
+			$arr[$row->tl_namespace][$row->tl_title] = 1;
+		}
+		$this->mDb->freeResult( $res );
+		return $arr;
+	}
+
+	/**
+	 * Get an array of existing images, image names in the keys
+	 * @private
+	 */
+	function getExistingImages() {
+		$fname = 'LinksUpdate::getExistingImages';
+		$res = $this->mDb->select( 'imagelinks', array( 'il_to' ),
+			array( 'il_from' => $this->mId ), $fname, $this->mOptions );
+		$arr = array();
+		while ( $row = $this->mDb->fetchObject( $res ) ) {
+			$arr[$row->il_to] = 1;
+		}
+		$this->mDb->freeResult( $res );
+		return $arr;
+	}
+
+	/**
+	 * Get an array of existing external links, URLs in the keys
+	 * @private
+	 */
+	function getExistingExternals() {
+		$fname = 'LinksUpdate::getExistingExternals';
+		$res = $this->mDb->select( 'externallinks', array( 'el_to' ),
+			array( 'el_from' => $this->mId ), $fname, $this->mOptions );
+		$arr = array();
+		while ( $row = $this->mDb->fetchObject( $res ) ) {
+			$arr[$row->el_to] = 1;
+		}
+		$this->mDb->freeResult( $res );
+		return $arr;
+	}
+
+	/**
+	 * Get an array of existing categories, with the name in the key and sort key in the value.
+	 * @private
+	 */
+	function getExistingCategories() {
+		$fname = 'LinksUpdate::getExistingCategories';
+		$res = $this->mDb->select( 'categorylinks', array( 'cl_to', 'cl_sortkey' ),
+			array( 'cl_from' => $this->mId ), $fname, $this->mOptions );
+		$arr = array();
+		while ( $row = $this->mDb->fetchObject( $res ) ) {
+			$arr[$row->cl_to] = $row->cl_sortkey;
+		}
+		$this->mDb->freeResult( $res );
+		return $arr;
+	}
+
+	/**
+	 * Get an array of existing interlanguage links, with the language code in the key and the 
+	 * title in the value.
+	 * @private
+	 */
+	function getExistingInterlangs() {
+		$fname = 'LinksUpdate::getExistingInterlangs';
+		$res = $this->mDb->select( 'langlinks', array( 'll_lang', 'll_title' ), 
+			array( 'll_from' => $this->mId ), $fname, $this->mOptions );
+		$arr = array();
+		while ( $row = $this->mDb->fetchObject( $res ) ) {
+			$arr[$row->ll_lang] = $row->ll_title;
+		}
+		return $arr;
+	}
+}
+?>
diff --git a/includes/LoadBalancer.php b/includes/LoadBalancer.php
new file mode 100644
index 00000000..f985a7b4
--- /dev/null
+++ b/includes/LoadBalancer.php
@@ -0,0 +1,666 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Depends on the database object
+ */
+require_once( 'Database.php' );
+
+# Valid database indexes
+# Operation-based indexes
+define( 'DB_SLAVE', -1 );     # Read from the slave (or only server)
+define( 'DB_MASTER', -2 );    # Write to master (or only server)
+define( 'DB_LAST', -3 );     # Whatever database was used last
+
+# Obsolete aliases
+define( 'DB_READ', -1 );
+define( 'DB_WRITE', -2 );
+
+
+# Scale polling time so that under overload conditions, the database server
+# receives a SHOW STATUS query at an average interval of this many microseconds
+define( 'AVG_STATUS_POLL', 2000 );
+
+
+/**
+ * Database load balancing object
+ *
+ * @todo document
+ * @package MediaWiki
+ */
+class LoadBalancer {
+	/* private */ var $mServers, $mConnections, $mLoads, $mGroupLoads;
+	/* private */ var $mFailFunction, $mErrorConnection;
+	/* private */ var $mForce, $mReadIndex, $mLastIndex, $mAllowLagged;
+	/* private */ var $mWaitForFile, $mWaitForPos, $mWaitTimeout;
+	/* private */ var $mLaggedSlaveMode, $mLastError = 'Unknown error';
+
+	function LoadBalancer()
+	{
+		$this->mServers = array();
+		$this->mConnections = array();
+		$this->mFailFunction = false;
+		$this->mReadIndex = -1;
+		$this->mForce = -1;
+		$this->mLastIndex = -1;
+		$this->mErrorConnection = false;
+		$this->mAllowLag = false;
+	}
+
+	function newFromParams( $servers, $failFunction = false, $waitTimeout = 10 )
+	{
+		$lb = new LoadBalancer;
+		$lb->initialise( $servers, $failFunction, $waitTimeout );
+		return $lb;
+	}
+
+	function initialise( $servers, $failFunction = false, $waitTimeout = 10 )
+	{
+		$this->mServers = $servers;
+		$this->mFailFunction = $failFunction;
+		$this->mReadIndex = -1;
+		$this->mWriteIndex = -1;
+		$this->mForce = -1;
+		$this->mConnections = array();
+		$this->mLastIndex = 1;
+		$this->mLoads = array();
+		$this->mWaitForFile = false;
+		$this->mWaitForPos = false;
+		$this->mWaitTimeout = $waitTimeout;
+		$this->mLaggedSlaveMode = false;
+
+		foreach( $servers as $i => $server ) {
+			$this->mLoads[$i] = $server['load'];
+			if ( isset( $server['groupLoads'] ) ) {
+				foreach ( $server['groupLoads'] as $group => $ratio ) {
+					if ( !isset( $this->mGroupLoads[$group] ) ) {
+						$this->mGroupLoads[$group] = array();
+					}
+					$this->mGroupLoads[$group][$i] = $ratio;
+				}
+			}
+		}
+	}
+
+	/**
+	 * Given an array of non-normalised probabilities, this function will select
+	 * an element and return the appropriate key
+	 */
+	function pickRandom( $weights )
+	{
+		if ( !is_array( $weights ) || count( $weights ) == 0 ) {
+			return false;
+		}
+
+		$sum = array_sum( $weights );
+		if ( $sum == 0 ) {
+			# No loads on any of them
+			# In previous versions, this triggered an unweighted random selection,
+			# but this feature has been removed as of April 2006 to allow for strict 
+			# separation of query groups. 
+			return false;
+		}
+		$max = mt_getrandmax();
+		$rand = mt_rand(0, $max) / $max * $sum;
+
+		$sum = 0;
+		foreach ( $weights as $i => $w ) {
+			$sum += $w;
+			if ( $sum >= $rand ) {
+				break;
+			}
+		}
+		return $i;
+	}
+
+	function getRandomNonLagged( $loads ) {
+		# Unset excessively lagged servers
+		$lags = $this->getLagTimes();
+		foreach ( $lags as $i => $lag ) {
+			if ( isset( $this->mServers[$i]['max lag'] ) && $lag > $this->mServers[$i]['max lag'] ) {
+				unset( $loads[$i] );
+			}
+		}
+
+		# Find out if all the slaves with non-zero load are lagged
+		$sum = 0;
+		foreach ( $loads as $load ) {
+			$sum += $load;
+		}
+		if ( $sum == 0 ) {
+			# No appropriate DB servers except maybe the master and some slaves with zero load
+			# Do NOT use the master
+			# Instead, this function will return false, triggering read-only mode,
+			# and a lagged slave will be used instead.
+			return false;
+		}
+
+		if ( count( $loads ) == 0 ) {
+			return false;
+		}
+
+		#wfDebugLog( 'connect', var_export( $loads, true ) );
+
+		# Return a random representative of the remainder
+		return $this->pickRandom( $loads );
+	}
+
+	/**
+	 * Get the index of the reader connection, which may be a slave
+	 * This takes into account load ratios and lag times. It should
+	 * always return a consistent index during a given invocation
+	 *
+	 * Side effect: opens connections to databases
+	 */
+	function getReaderIndex() {
+		global $wgReadOnly, $wgDBClusterTimeout;
+
+		$fname = 'LoadBalancer::getReaderIndex';
+		wfProfileIn( $fname );
+
+		$i = false;
+		if ( $this->mForce >= 0 ) {
+			$i = $this->mForce;
+		} else {
+			if ( $this->mReadIndex >= 0 ) {
+				$i = $this->mReadIndex;
+			} else {
+				# $loads is $this->mLoads except with elements knocked out if they
+				# don't work
+				$loads = $this->mLoads;
+				$done = false;
+				$totalElapsed = 0;
+				do {
+					if ( $wgReadOnly or $this->mAllowLagged ) {
+						$i = $this->pickRandom( $loads );
+					} else {
+						$i = $this->getRandomNonLagged( $loads );
+						if ( $i === false && count( $loads ) != 0 )  {
+							# All slaves lagged. Switch to read-only mode
+							$wgReadOnly = wfMsgNoDB( 'readonly_lag' );
+							$i = $this->pickRandom( $loads );
+						}
+					}
+					$serverIndex = $i;
+					if ( $i !== false ) {
+						wfDebugLog( 'connect', "$fname: Using reader #$i: {$this->mServers[$i]['host']}...\n" );
+						$this->openConnection( $i );
+
+						if ( !$this->isOpen( $i ) ) {
+							wfDebug( "$fname: Failed\n" );
+							unset( $loads[$i] );
+							$sleepTime = 0;
+						} else {
+							$status = $this->mConnections[$i]->getStatus("Thread%");
+							if ( isset( $this->mServers[$i]['max threads'] ) &&
+							  $status['Threads_running'] > $this->mServers[$i]['max threads'] )
+							{
+								# Too much load, back off and wait for a while.
+								# The sleep time is scaled by the number of threads connected,
+								# to produce a roughly constant global poll rate.
+								$sleepTime = AVG_STATUS_POLL * $status['Threads_connected'];
+
+								# If we reach the timeout and exit the loop, don't use it
+								$i = false;
+							} else {
+								$done = true;
+								$sleepTime = 0;
+							}
+						}
+					} else {
+						$sleepTime = 500000;
+					}
+					if ( $sleepTime ) {
+							$totalElapsed += $sleepTime;
+							$x = "{$this->mServers[$serverIndex]['host']} [$serverIndex]";
+							wfProfileIn( "$fname-sleep $x" );
+							usleep( $sleepTime );
+							wfProfileOut( "$fname-sleep $x" );
+					}
+				} while ( count( $loads ) && !$done && $totalElapsed / 1e6 < $wgDBClusterTimeout );
+
+				if ( $totalElapsed / 1e6 >= $wgDBClusterTimeout ) {
+					$this->mErrorConnection = false;
+					$this->mLastError = 'All servers busy';
+				}
+
+				if ( $i !== false && $this->isOpen( $i ) ) {
+					# Wait for the session master pos for a short time
+					if ( $this->mWaitForFile ) {
+						if ( !$this->doWait( $i ) ) {
+							$this->mServers[$i]['slave pos'] = $this->mConnections[$i]->getSlavePos();
+						}
+					}
+					if ( $i !== false ) {
+						$this->mReadIndex = $i;
+					}
+				} else {
+					$i = false;
+				}
+			}
+		}
+		wfProfileOut( $fname );
+		return $i;
+	}
+
+	/**
+	 * Get a random server to use in a query group
+	 */
+	function getGroupIndex( $group ) {
+		if ( isset( $this->mGroupLoads[$group] ) ) {
+			$i = $this->pickRandom( $this->mGroupLoads[$group] );
+		} else {
+			$i = false;
+		}
+		wfDebug( "Query group $group => $i\n" );
+		return $i;
+	}
+
+	/**
+	 * Set the master wait position
+	 * If a DB_SLAVE connection has been opened already, waits
+	 * Otherwise sets a variable telling it to wait if such a connection is opened
+	 */
+	function waitFor( $file, $pos ) {
+		$fname = 'LoadBalancer::waitFor';
+		wfProfileIn( $fname );
+
+		wfDebug( "User master pos: $file $pos\n" );
+		$this->mWaitForFile = false;
+		$this->mWaitForPos = false;
+
+		if ( count( $this->mServers ) > 1 ) {
+			$this->mWaitForFile = $file;
+			$this->mWaitForPos = $pos;
+			$i = $this->mReadIndex;
+
+			if ( $i > 0 ) {
+				if ( !$this->doWait( $i ) ) {
+					$this->mServers[$i]['slave pos'] = $this->mConnections[$i]->getSlavePos();
+					$this->mLaggedSlaveMode = true;
+				}
+			}
+		}
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Wait for a given slave to catch up to the master pos stored in $this
+	 */
+	function doWait( $index ) {
+		global $wgMemc;
+
+		$retVal = false;
+
+		# Debugging hacks
+		if ( isset( $this->mServers[$index]['lagged slave'] ) ) {
+			return false;
+		} elseif ( isset( $this->mServers[$index]['fake slave'] ) ) {
+			return true;
+		}
+
+		$key = 'masterpos:' . $index;
+		$memcPos = $wgMemc->get( $key );
+		if ( $memcPos ) {
+			list( $file, $pos ) = explode( ' ', $memcPos );
+			# If the saved position is later than the requested position, return now
+			if ( $file == $this->mWaitForFile && $this->mWaitForPos <= $pos ) {
+				$retVal = true;
+			}
+		}
+
+		if ( !$retVal && $this->isOpen( $index ) ) {
+			$conn =& $this->mConnections[$index];
+			wfDebug( "Waiting for slave #$index to catch up...\n" );
+			$result = $conn->masterPosWait( $this->mWaitForFile, $this->mWaitForPos, $this->mWaitTimeout );
+
+			if ( $result == -1 || is_null( $result ) ) {
+				# Timed out waiting for slave, use master instead
+				wfDebug( "Timed out waiting for slave #$index pos {$this->mWaitForFile} {$this->mWaitForPos}\n" );
+				$retVal = false;
+			} else {
+				$retVal = true;
+				wfDebug( "Done\n" );
+			}
+		}
+		return $retVal;
+	}
+
+	/**
+	 * Get a connection by index
+	 */
+	function &getConnection( $i, $fail = true, $groups = array() )
+	{
+		global $wgDBtype;
+		$fname = 'LoadBalancer::getConnection';
+		wfProfileIn( $fname );
+
+
+		# Query groups
+		if ( !is_array( $groups ) ) {
+			$groupIndex = $this->getGroupIndex( $groups, $i );
+			if ( $groupIndex !== false ) {
+				$i = $groupIndex;
+			}
+		} else {
+			foreach ( $groups as $group ) {
+				$groupIndex = $this->getGroupIndex( $group, $i );
+				if ( $groupIndex !== false ) {
+					$i = $groupIndex;
+					break;
+				}
+			}
+		}
+
+		# For now, only go through all this for mysql databases
+		if ($wgDBtype != 'mysql') {
+			$i = $this->getWriterIndex();
+		}
+		# Operation-based index
+		elseif ( $i == DB_SLAVE ) {
+			$i = $this->getReaderIndex();
+		} elseif ( $i == DB_MASTER ) {
+			$i = $this->getWriterIndex();
+		} elseif ( $i == DB_LAST ) {
+			# Just use $this->mLastIndex, which should already be set
+			$i = $this->mLastIndex;
+			if ( $i === -1 ) {
+				# Oh dear, not set, best to use the writer for safety
+				wfDebug( "Warning: DB_LAST used when there was no previous index\n" );
+				$i = $this->getWriterIndex();
+			}
+		}
+		# Couldn't find a working server in getReaderIndex()?
+		if ( $i === false ) {
+			$this->reportConnectionError( $this->mErrorConnection );
+		}
+		# Now we have an explicit index into the servers array
+		$this->openConnection( $i, $fail );
+
+		wfProfileOut( $fname );
+		return $this->mConnections[$i];
+	}
+
+	/**
+	 * Open a connection to the server given by the specified index
+	 * Index must be an actual index into the array
+	 * Returns success
+	 * @access private
+	 */
+	function openConnection( $i, $fail = false ) {
+		$fname = 'LoadBalancer::openConnection';
+		wfProfileIn( $fname );
+		$success = true;
+
+		if ( !$this->isOpen( $i ) ) {
+			$this->mConnections[$i] = $this->reallyOpenConnection( $this->mServers[$i] );
+		}
+
+		if ( !$this->isOpen( $i ) ) {
+			wfDebug( "Failed to connect to database $i at {$this->mServers[$i]['host']}\n" );
+			if ( $fail ) {
+				$this->reportConnectionError( $this->mConnections[$i] );
+			}
+			$this->mErrorConnection = $this->mConnections[$i];
+			$this->mConnections[$i] = false;
+			$success = false;
+		}
+		$this->mLastIndex = $i;
+		wfProfileOut( $fname );
+		return $success;
+	}
+
+	/**
+	 * Test if the specified index represents an open connection
+	 * @access private
+	 */
+	function isOpen( $index ) {
+		if( !is_integer( $index ) ) {
+			return false;
+		}
+		if ( array_key_exists( $index, $this->mConnections ) && is_object( $this->mConnections[$index] ) &&
+		  $this->mConnections[$index]->isOpen() )
+		{
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Really opens a connection
+	 * @access private
+	 */
+	function reallyOpenConnection( &$server ) {
+		if( !is_array( $server ) ) {
+			throw new MWException( 'You must update your load-balancing configuration. See DefaultSettings.php entry for $wgDBservers.' );
+		}
+
+		extract( $server );
+		# Get class for this database type
+		$class = 'Database' . ucfirst( $type );
+		if ( !class_exists( $class ) ) {
+			require_once( "$class.php" );
+		}
+
+		# Create object
+		$db = new $class( $host, $user, $password, $dbname, 1, $flags );
+		$db->setLBInfo( $server );
+		return $db;
+	}
+
+	function reportConnectionError( &$conn )
+	{
+		$fname = 'LoadBalancer::reportConnectionError';
+		wfProfileIn( $fname );
+		# Prevent infinite recursion
+
+		static $reporting = false;
+		if ( !$reporting ) {
+			$reporting = true;
+			if ( !is_object( $conn ) ) {
+				// No last connection, probably due to all servers being too busy
+				$conn = new Database;
+				if ( $this->mFailFunction ) {
+					$conn->failFunction( $this->mFailFunction );
+					$conn->reportConnectionError( $this->mLastError );
+				} else {
+					// If all servers were busy, mLastError will contain something sensible
+					throw new DBConnectionError( $conn, $this->mLastError );
+				}
+			} else {
+				if ( $this->mFailFunction ) {
+					$conn->failFunction( $this->mFailFunction );
+				} else {
+					$conn->failFunction( false );
+				}
+				$server = $conn->getProperty( 'mServer' );
+				$conn->reportConnectionError( "{$this->mLastError} ({$server})" );
+			}
+			$reporting = false;
+		}
+		wfProfileOut( $fname );
+	}
+
+	function getWriterIndex() {
+		return 0;
+	}
+
+	/**
+	 * Force subsequent calls to getConnection(DB_SLAVE) to return the 
+	 * given index. Set to -1 to restore the original load balancing
+	 * behaviour. I thought this was a good idea when I originally 
+	 * wrote this class, but it has never been used.
+	 */
+	function force( $i ) {
+		$this->mForce = $i;
+	}
+
+	/**
+	 * Returns true if the specified index is a valid server index
+	 */
+	function haveIndex( $i ) {
+		return array_key_exists( $i, $this->mServers );
+	}
+
+	/**
+	 * Returns true if the specified index is valid and has non-zero load
+	 */
+	function isNonZeroLoad( $i ) {
+		return array_key_exists( $i, $this->mServers ) && $this->mLoads[$i] != 0;
+	}
+
+	/**
+	 * Get the number of defined servers (not the number of open connections)
+	 */
+	function getServerCount() {
+		return count( $this->mServers );
+	}
+
+	/**
+	 * Save master pos to the session and to memcached, if the session exists
+	 */
+	function saveMasterPos() {
+		global $wgSessionStarted;
+		if ( $wgSessionStarted && count( $this->mServers ) > 1 ) {
+			# If this entire request was served from a slave without opening a connection to the
+			# master (however unlikely that may be), then we can fetch the position from the slave.
+			if ( empty( $this->mConnections[0] ) ) {
+				$conn =& $this->getConnection( DB_SLAVE );
+				list( $file, $pos ) = $conn->getSlavePos();
+				wfDebug( "Saving master pos fetched from slave: $file $pos\n" );
+			} else {
+				$conn =& $this->getConnection( 0 );
+				list( $file, $pos ) = $conn->getMasterPos();
+				wfDebug( "Saving master pos: $file $pos\n" );
+			}
+			if ( $file !== false ) {
+				$_SESSION['master_log_file'] = $file;
+				$_SESSION['master_pos'] = $pos;
+			}
+		}
+	}
+
+	/**
+	 * Loads the master pos from the session, waits for it if necessary
+	 */
+	function loadMasterPos() {
+		if ( isset( $_SESSION['master_log_file'] ) && isset( $_SESSION['master_pos'] ) ) {
+			$this->waitFor( $_SESSION['master_log_file'], $_SESSION['master_pos'] );
+		}
+	}
+
+	/**
+	 * Close all open connections
+	 */
+	function closeAll() {
+		foreach( $this->mConnections as $i => $conn ) {
+			if ( $this->isOpen( $i ) ) {
+				// Need to use this syntax because $conn is a copy not a reference
+				$this->mConnections[$i]->close();
+			}
+		}
+	}
+
+	function commitAll() {
+		foreach( $this->mConnections as $i => $conn ) {
+			if ( $this->isOpen( $i ) ) {
+				// Need to use this syntax because $conn is a copy not a reference
+				$this->mConnections[$i]->immediateCommit();
+			}
+		}
+	}
+
+	function waitTimeout( $value = NULL ) {
+		return wfSetVar( $this->mWaitTimeout, $value );
+	}
+
+	function getLaggedSlaveMode() {
+		return $this->mLaggedSlaveMode;
+	}
+
+	/* Disables/enables lag checks */
+	function allowLagged($mode=null) {
+		if ($mode===null)
+			return $this->mAllowLagged;
+		$this->mAllowLagged=$mode;
+	}
+
+	function pingAll() {
+		$success = true;
+		foreach ( $this->mConnections as $i => $conn ) {
+			if ( $this->isOpen( $i ) ) {
+				if ( !$this->mConnections[$i]->ping() ) {
+					$success = false;
+				}
+			}
+		}
+		return $success;
+	}
+
+	/**
+	 * Get the hostname and lag time of the most-lagged slave
+	 * This is useful for maintenance scripts that need to throttle their updates
+	 */
+	function getMaxLag() {
+		$maxLag = -1;
+		$host = '';
+		foreach ( $this->mServers as $i => $conn ) {
+			if ( $this->openConnection( $i ) ) {
+				$lag = $this->mConnections[$i]->getLag();
+				if ( $lag > $maxLag ) {
+					$maxLag = $lag;
+					$host = $this->mServers[$i]['host'];
+				}
+			}
+		}
+		return array( $host, $maxLag );
+	}
+
+	/**
+	 * Get lag time for each DB
+	 * Results are cached for a short time in memcached
+	 */
+	function getLagTimes() {
+		global $wgDBname;
+
+		$expiry = 5;
+		$requestRate = 10;
+
+		global $wgMemc;
+		$times = $wgMemc->get( "$wgDBname:lag_times" );
+		if ( $times ) {
+			# Randomly recache with probability rising over $expiry
+			$elapsed = time() - $times['timestamp'];
+			$chance = max( 0, ( $expiry - $elapsed ) * $requestRate );
+			if ( mt_rand( 0, $chance ) != 0 ) {
+				unset( $times['timestamp'] );
+				return $times;
+			}
+		}
+
+		# Cache key missing or expired
+
+		$times = array();
+		foreach ( $this->mServers as $i => $conn ) {
+			if ($i==0) { # Master
+				$times[$i] = 0;
+			} elseif ( $this->openConnection( $i ) ) {
+				$times[$i] = $this->mConnections[$i]->getLag();
+			}
+		}
+
+		# Add a timestamp key so we know when it was cached
+		$times['timestamp'] = time();
+		$wgMemc->set( "$wgDBname:lag_times", $times, $expiry );
+
+		# But don't give the timestamp to the caller
+		unset($times['timestamp']);
+		return $times;
+	}
+}
+
+?>
diff --git a/includes/LogPage.php b/includes/LogPage.php
new file mode 100644
index 00000000..f588105f
--- /dev/null
+++ b/includes/LogPage.php
@@ -0,0 +1,246 @@
+<?php
+#
+# Copyright (C) 2002, 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Contain log classes
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Class to simplify the use of log pages.
+ * The logs are now kept in a table which is easier to manage and trim
+ * than ever-growing wiki pages.
+ *
+ * @package MediaWiki
+ */
+class LogPage {
+	/* @access private */
+	var $type, $action, $comment, $params, $target;
+	/* @acess public */
+	var $updateRecentChanges;
+
+	/**
+	  * Constructor
+	  *
+	  * @param string $type One of '', 'block', 'protect', 'rights', 'delete',
+	  *               'upload', 'move'
+	  * @param bool $rc Whether to update recent changes as well as the logging table
+	  */
+	function LogPage( $type, $rc = true ) {
+		$this->type = $type;
+		$this->updateRecentChanges = $rc;
+	}
+
+	function saveContent() {
+		if( wfReadOnly() ) return false;
+
+		global $wgUser;
+		$fname = 'LogPage::saveContent';
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$uid = $wgUser->getID();
+
+		$this->timestamp = $now = wfTimestampNow();
+		$dbw->insert( 'logging',
+			array(
+				'log_type' => $this->type,
+				'log_action' => $this->action,
+				'log_timestamp' => $dbw->timestamp( $now ),
+				'log_user' => $uid,
+				'log_namespace' => $this->target->getNamespace(),
+				'log_title' => $this->target->getDBkey(),
+				'log_comment' => $this->comment,
+				'log_params' => $this->params
+			), $fname
+		);
+
+		# And update recentchanges
+		if ( $this->updateRecentChanges ) {
+			$titleObj = Title::makeTitle( NS_SPECIAL, 'Log/' . $this->type );
+			$rcComment = $this->actionText;
+			if( '' != $this->comment ) {
+				if ($rcComment == '')
+					$rcComment = $this->comment;
+				else
+					$rcComment .= ': ' . $this->comment;
+			}
+
+			RecentChange::notifyLog( $now, $titleObj, $wgUser, $rcComment, '',
+				$this->type, $this->action, $this->target, $this->comment, $this->params );
+		}
+		return true;
+	}
+
+	/**
+	 * @static
+	 */
+	function validTypes() {
+		global $wgLogTypes;
+		return $wgLogTypes;
+	}
+
+	/**
+	 * @static
+	 */
+	function isLogType( $type ) {
+		return in_array( $type, LogPage::validTypes() );
+	}
+
+	/**
+	 * @static
+	 */
+	function logName( $type ) {
+		global $wgLogNames;
+
+		if( isset( $wgLogNames[$type] ) ) {
+			return str_replace( '_', ' ', wfMsg( $wgLogNames[$type] ) );
+		} else {
+			// Bogus log types? Perhaps an extension was removed.
+			return $type;
+		}
+	}
+
+	/**
+	 * @fixme: handle missing log types
+	 * @static
+	 */
+	function logHeader( $type ) {
+		global $wgLogHeaders;
+		return wfMsg( $wgLogHeaders[$type] );
+	}
+
+	/**
+	 * @static
+	 */
+	function actionText( $type, $action, $title = NULL, $skin = NULL, $params = array(), $filterWikilinks=false, $translate=false ) {
+		global $wgLang, $wgContLang, $wgLogActions;
+
+		$key = "$type/$action";
+		if( isset( $wgLogActions[$key] ) ) {
+			if( is_null( $title ) ) {
+				$rv=wfMsg( $wgLogActions[$key] );
+			} else {
+				if( $skin ) {
+
+					switch( $type ) {
+						case 'move':
+							$titleLink = $skin->makeLinkObj( $title, $title->getPrefixedText(), 'redirect=no' );
+							$params[0] = $skin->makeLinkObj( Title::newFromText( $params[0] ), $params[0] );
+							break;
+						case 'block':
+							if( substr( $title->getText(), 0, 1 ) == '#' ) {
+								$titleLink = $title->getText();
+							} else {
+								$titleLink = $skin->makeLinkObj( $title, $title->getText() );
+								$titleLink .= ' (' . $skin->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions/' . $title->getDBkey() ), wfMsg( 'contribslink' ) ) . ')';
+							}
+							break;
+						case 'rights':
+							$text = $wgContLang->ucfirst( $title->getText() );
+							$titleLink = $skin->makeLinkObj( Title::makeTitle( NS_USER, $text ) );
+							break;
+						default:
+							$titleLink = $skin->makeLinkObj( $title );
+					}
+
+				} else {
+					$titleLink = $title->getPrefixedText();
+				}
+				if( $key == 'rights/rights' ) {
+					if ($skin) {
+						$rightsnone = wfMsg( 'rightsnone' );
+					} else {
+						$rightsnone = wfMsgForContent( 'rightsnone' );
+					}
+					if( !isset( $params[0] ) || trim( $params[0] ) == '' )
+						$params[0] = $rightsnone;
+					if( !isset( $params[1] ) || trim( $params[1] ) == '' )
+						$params[1] = $rightsnone;
+				}
+				if( count( $params ) == 0 ) {
+					if ( $skin ) {
+						$rv = wfMsg( $wgLogActions[$key], $titleLink );
+					} else {
+						$rv = wfMsgForContent( $wgLogActions[$key], $titleLink );
+					}
+				} else {
+					array_unshift( $params, $titleLink );
+					if ( $translate && $key == 'block/block' ) {
+						$params[1] = $wgLang->translateBlockExpiry($params[1]);
+					}
+					$rv = wfMsgReal( $wgLogActions[$key], $params, true, !$skin );
+				}
+			}
+		} else {
+			wfDebug( "LogPage::actionText - unknown action $key\n" );
+			$rv = "$action";
+		}
+		if( $filterWikilinks ) {
+			$rv = str_replace( "[[", "", $rv );
+			$rv = str_replace( "]]", "", $rv );
+		}
+		return $rv;
+	}
+
+	/**
+	 * Add a log entry
+	 * @param string $action one of '', 'block', 'protect', 'rights', 'delete', 'upload', 'move', 'move_redir'
+	 * @param object &$target A title object.
+	 * @param string $comment Description associated
+	 * @param array $params Parameters passed later to wfMsg.* functions
+	 */
+	function addEntry( $action, &$target, $comment, $params = array() ) {
+		if ( !is_array( $params ) ) {
+			$params = array( $params );
+		}
+
+		$this->action = $action;
+		$this->target =& $target;
+		$this->comment = $comment;
+		$this->params = LogPage::makeParamBlob( $params );
+
+		$this->actionText = LogPage::actionText( $this->type, $action, $target, NULL, $params );
+
+		return $this->saveContent();
+	}
+
+	/**
+	 * Create a blob from a parameter array
+	 * @static
+	 */
+	function makeParamBlob( $params ) {
+		return implode( "\n", $params );
+	}
+
+	/**
+	 * Extract a parameter array from a blob
+	 * @static
+	 */
+	function extractParams( $blob ) {
+		if ( $blob === '' ) {
+			return array();
+		} else {
+			return explode( "\n", $blob );
+		}
+	}
+}
+
+?>
diff --git a/includes/MacBinary.php b/includes/MacBinary.php
new file mode 100644
index 00000000..05c3ce5c
--- /dev/null
+++ b/includes/MacBinary.php
@@ -0,0 +1,272 @@
+<?php
+/**
+ * MacBinary signature checker and data fork extractor, for files
+ * uploaded from Internet Explorer for Mac.
+ *
+ * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
+ * Portions based on Convert::BinHex by Eryq et al
+ * http://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+class MacBinary {
+	function MacBinary( $filename ) {
+		$this->open( $filename );
+		$this->loadHeader();
+	}
+
+	/**
+	 * The file must be seekable, such as local filesystem.
+	 * Remote URLs probably won't work.
+	 *
+	 * @param string $filename
+	 */
+	function open( $filename ) {
+		$this->valid = false;
+		$this->version = 0;
+		$this->filename = '';
+		$this->dataLength = 0;
+		$this->resourceLength = 0;
+		$this->handle = fopen( $filename, 'rb' );
+	}
+
+	/**
+	 * Does this appear to be a valid MacBinary archive?
+	 * @return bool
+	 */
+	function isValid() {
+		return $this->valid;
+	}
+
+	/**
+	 * Get length of data fork
+	 * @return int
+	 */
+	function dataForkLength() {
+		return $this->dataLength;
+	}
+
+	/**
+	 * Copy the data fork to an external file or resource.
+	 * @param resource $destination
+	 * @return bool
+	 */
+	function extractData( $destination ) {
+		if( !$this->isValid() ) {
+			return false;
+		}
+
+		// Data fork appears immediately after header
+		fseek( $this->handle, 128 );
+		return $this->copyBytesTo( $destination, $this->dataLength );
+	}
+
+	/**
+	 *
+	 */
+	function close() {
+		fclose( $this->handle );
+	}
+
+	// --------------------------------------------------------------
+
+	/**
+	 * Check if the given file appears to be MacBinary-encoded,
+	 * as Internet Explorer on Mac OS may provide for unknown types.
+	 * http://www.lazerware.com/formats/macbinary/macbinary_iii.html
+	 * If ok, load header data.
+	 *
+	 * @return bool
+	 * @access private
+	 */
+	function loadHeader() {
+		$fname = 'MacBinary::loadHeader';
+
+		fseek( $this->handle, 0 );
+		$head = fread( $this->handle, 128 );
+		$this->hexdump( $head );
+
+		if( strlen( $head ) < 128 ) {
+			wfDebug( "$fname: couldn't read full MacBinary header\n" );
+			return false;
+		}
+
+		if( $head{0} != "\x00" || $head{74} != "\x00" ) {
+			wfDebug( "$fname: header bytes 0 and 74 not null\n" );
+			return false;
+		}
+
+		$signature = substr( $head, 102, 4 );
+		$a = unpack( "ncrc", substr( $head, 124, 2 ) );
+		$storedCRC = $a['crc'];
+		$calculatedCRC = $this->calcCRC( substr( $head, 0, 124 ) );
+		if( $storedCRC == $calculatedCRC ) {
+			if( $signature == 'mBIN' ) {
+				$this->version = 3;
+			} else {
+				$this->version = 2;
+			}
+		} else {
+			$crc = sprintf( "%x != %x", $storedCRC, $calculatedCRC );
+			if( $storedCRC == 0 && $head{82} == "\x00" &&
+				substr( $head, 101, 24 ) == str_repeat( "\x00", 24 ) ) {
+				wfDebug( "$fname: no CRC, looks like MacBinary I\n" );
+				$this->version = 1;
+			} elseif( $signature == 'mBIN' && $storedCRC == 0x185 ) {
+				// Mac IE 5.0 seems to insert this value in the CRC field.
+				// 5.2.3 works correctly; don't know about other versions.
+				wfDebug( "$fname: CRC doesn't match ($crc), looks like Mac IE 5.0\n" );
+				$this->version = 3;
+			} else {
+				wfDebug( "$fname: CRC doesn't match ($crc) and not MacBinary I\n" );
+				return false;
+			}
+		}
+
+		$nameLength = ord( $head{1} );
+		if( $nameLength < 1 || $nameLength > 63 ) {
+			wfDebug( "$fname: invalid filename size $nameLength\n" );
+			return false;
+		}
+		$this->filename = substr( $head, 2, $nameLength );
+
+		$forks = unpack( "Ndata/Nresource", substr( $head, 83, 8 ) );
+		$this->dataLength = $forks['data'];
+		$this->resourceLength = $forks['resource'];
+		$maxForkLength = 0x7fffff;
+
+		if( $this->dataLength < 0 || $this->dataLength > $maxForkLength ) {
+			wfDebug( "$fname: invalid data fork length $this->dataLength\n" );
+			return false;
+		}
+
+		if( $this->resourceLength < 0 || $this->resourceLength > $maxForkLength ) {
+			wfDebug( "$fname: invalid resource fork size $this->resourceLength\n" );
+			return false;
+		}
+
+		wfDebug( "$fname: appears to be MacBinary $this->version, data length $this->dataLength\n" );
+		$this->valid = true;
+		return true;
+	}
+
+	/**
+	 * Calculate a 16-bit CRC value as for MacBinary headers.
+	 * Adapted from perl5 Convert::BinHex by Eryq,
+	 * based on the mcvert utility (Doug Moore, April '87),
+	 * with magic array thingy by Jim Van Verth.
+	 * http://search.cpan.org/~eryq/Convert-BinHex-1.119/lib/Convert/BinHex.pm
+	 *
+	 * @param string $data
+	 * @param int $seed
+	 * @return int
+	 * @access private
+	 */
+	function calcCRC( $data, $seed = 0 ) {
+		# An array useful for CRC calculations that use 0x1021 as the "seed":
+		$MAGIC = array(
+			0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
+			0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
+			0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
+			0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
+			0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
+			0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
+			0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
+			0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
+			0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
+			0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
+			0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
+			0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
+			0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
+			0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
+			0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
+			0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
+			0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
+			0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
+			0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
+			0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
+			0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
+			0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+			0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
+			0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
+			0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
+			0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
+			0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
+			0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
+			0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
+			0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
+			0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
+			0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
+		);
+		$len = strlen( $data );
+		$crc = $seed;
+		for( $i = 0; $i < $len; $i++ ) {
+			$crc ^= ord( $data{$i} ) << 8;
+			$crc &= 0xFFFF;
+			$crc = ($crc << 8) ^ $MAGIC[$crc >> 8];
+			$crc &= 0xFFFF;
+		}
+		return $crc;
+	}
+
+	/**
+	 * @param resource $destination
+	 * @param int $bytesToCopy
+	 * @return bool
+	 * @access private
+	 */
+	function copyBytesTo( $destination, $bytesToCopy ) {
+		$bufferSize = 65536;
+		for( $remaining = $bytesToCopy; $remaining > 0; $remaining -= $bufferSize ) {
+			$thisChunkSize = min( $remaining, $bufferSize );
+			$buffer = fread( $this->handle, $thisChunkSize );
+			fwrite( $destination, $buffer );
+		}
+	}
+
+	/**
+	 * Hex dump of the header for debugging
+	 * @access private
+	 */
+	function hexdump( $data ) {
+		global $wgDebugLogFile;
+		if( !$wgDebugLogFile ) return;
+
+		$width = 16;
+		$at = 0;
+		for( $remaining = strlen( $data ); $remaining > 0; $remaining -= $width ) {
+			$line = sprintf( "%04x:", $at );
+			$printable = '';
+			for( $i = 0; $i < $width && $remaining - $i > 0; $i++ ) {
+				$byte = ord( $data{$at++} );
+				$line .= sprintf( " %02x", $byte );
+				$printable .= ($byte >= 32 && $byte <= 126 )
+					? chr( $byte )
+					: '.';
+			}
+			if( $i < $width ) {
+				$line .= str_repeat( '   ', $width - $i );
+			}
+			wfDebug( "MacBinary: $line $printable\n" );
+		}
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/includes/MagicWord.php b/includes/MagicWord.php
new file mode 100644
index 00000000..c80d2583
--- /dev/null
+++ b/includes/MagicWord.php
@@ -0,0 +1,448 @@
+<?php
+/**
+ * File for magic words
+ * @package MediaWiki
+ * @subpackage Parser
+ */
+
+/**
+ * private
+ */
+$wgMagicFound = false;
+
+/** Actual keyword to be used is set in Language.php */
+
+$magicWords = array(
+	'MAG_REDIRECT',
+	'MAG_NOTOC',
+	'MAG_START',
+	'MAG_CURRENTMONTH',
+	'MAG_CURRENTMONTHNAME',
+	'MAG_CURRENTMONTHNAMEGEN',
+	'MAG_CURRENTMONTHABBREV',
+	'MAG_CURRENTDAY',
+	'MAG_CURRENTDAY2',
+	'MAG_CURRENTDAYNAME',
+	'MAG_CURRENTYEAR',
+	'MAG_CURRENTTIME',
+	'MAG_NUMBEROFARTICLES',
+	'MAG_SUBST',
+	'MAG_MSG',
+	'MAG_MSGNW',
+	'MAG_NOEDITSECTION',
+	'MAG_END',
+	'MAG_IMG_THUMBNAIL',
+	'MAG_IMG_RIGHT',
+	'MAG_IMG_LEFT',
+	'MAG_IMG_NONE',
+	'MAG_IMG_WIDTH',
+	'MAG_IMG_CENTER',
+	'MAG_INT',
+	'MAG_FORCETOC',
+	'MAG_SITENAME',
+	'MAG_NS',
+	'MAG_LOCALURL',
+	'MAG_LOCALURLE',
+	'MAG_SERVER',
+	'MAG_IMG_FRAMED',
+	'MAG_PAGENAME',
+	'MAG_PAGENAMEE',
+	'MAG_NAMESPACE',
+	'MAG_NAMESPACEE',
+	'MAG_TOC',
+	'MAG_GRAMMAR',
+	'MAG_NOTITLECONVERT',
+	'MAG_NOCONTENTCONVERT',
+	'MAG_CURRENTWEEK',
+	'MAG_CURRENTDOW',
+	'MAG_REVISIONID',
+	'MAG_SCRIPTPATH',
+	'MAG_SERVERNAME',
+	'MAG_NUMBEROFFILES',
+	'MAG_IMG_MANUALTHUMB',
+	'MAG_PLURAL',
+	'MAG_FULLURL',
+	'MAG_FULLURLE',
+	'MAG_LCFIRST',
+	'MAG_UCFIRST',
+	'MAG_LC',
+	'MAG_UC',
+	'MAG_FULLPAGENAME',
+	'MAG_FULLPAGENAMEE',
+	'MAG_RAW',
+	'MAG_SUBPAGENAME',
+	'MAG_SUBPAGENAMEE',
+	'MAG_DISPLAYTITLE',
+	'MAG_TALKSPACE',
+	'MAG_TALKSPACEE',
+	'MAG_SUBJECTSPACE',
+	'MAG_SUBJECTSPACEE',
+	'MAG_TALKPAGENAME',
+	'MAG_TALKPAGENAMEE',
+	'MAG_SUBJECTPAGENAME',
+	'MAG_SUBJECTPAGENAMEE',	
+	'MAG_NUMBEROFUSERS',
+	'MAG_RAWSUFFIX',
+	'MAG_NEWSECTIONLINK',
+	'MAG_NUMBEROFPAGES',
+	'MAG_CURRENTVERSION',
+	'MAG_BASEPAGENAME',
+	'MAG_BASEPAGENAMEE',
+	'MAG_URLENCODE',
+	'MAG_CURRENTTIMESTAMP',
+	'MAG_DIRECTIONMARK',
+	'MAG_LANGUAGE',
+	'MAG_CONTENTLANGUAGE',
+	'MAG_PAGESINNAMESPACE',
+	'MAG_NOGALLERY',
+	'MAG_NUMBEROFADMINS',
+	'MAG_FORMATNUM',
+);
+if ( ! defined( 'MEDIAWIKI_INSTALL' ) )
+	wfRunHooks( 'MagicWordMagicWords', array( &$magicWords ) );
+
+for ( $i = 0; $i < count( $magicWords ); ++$i )
+	define( $magicWords[$i], $i );
+
+$wgVariableIDs = array(
+	MAG_CURRENTMONTH,
+	MAG_CURRENTMONTHNAME,
+	MAG_CURRENTMONTHNAMEGEN,
+	MAG_CURRENTMONTHABBREV,
+	MAG_CURRENTDAY,
+	MAG_CURRENTDAY2,
+	MAG_CURRENTDAYNAME,
+	MAG_CURRENTYEAR,
+	MAG_CURRENTTIME,
+	MAG_NUMBEROFARTICLES,
+	MAG_NUMBEROFFILES,
+	MAG_SITENAME,
+	MAG_SERVER,
+	MAG_SERVERNAME,
+	MAG_SCRIPTPATH,
+	MAG_PAGENAME,
+	MAG_PAGENAMEE,
+	MAG_FULLPAGENAME,
+	MAG_FULLPAGENAMEE,
+	MAG_NAMESPACE,
+	MAG_NAMESPACEE,
+	MAG_CURRENTWEEK,
+	MAG_CURRENTDOW,
+	MAG_REVISIONID,
+	MAG_SUBPAGENAME,
+	MAG_SUBPAGENAMEE,
+	MAG_DISPLAYTITLE,
+	MAG_TALKSPACE,
+	MAG_TALKSPACEE,
+	MAG_SUBJECTSPACE,
+	MAG_SUBJECTSPACEE,
+	MAG_TALKPAGENAME,
+	MAG_TALKPAGENAMEE,
+	MAG_SUBJECTPAGENAME,
+	MAG_SUBJECTPAGENAMEE,
+	MAG_NUMBEROFUSERS,
+	MAG_RAWSUFFIX,
+	MAG_NEWSECTIONLINK,
+	MAG_NUMBEROFPAGES,
+	MAG_CURRENTVERSION,
+	MAG_BASEPAGENAME,
+	MAG_BASEPAGENAMEE,
+	MAG_URLENCODE,
+	MAG_CURRENTTIMESTAMP,
+	MAG_DIRECTIONMARK,
+	MAG_LANGUAGE,
+	MAG_CONTENTLANGUAGE,
+	MAG_PAGESINNAMESPACE,
+	MAG_NUMBEROFADMINS,
+);
+if ( ! defined( 'MEDIAWIKI_INSTALL' ) )
+	wfRunHooks( 'MagicWordwgVariableIDs', array( &$wgVariableIDs ) );
+
+/**
+ * This class encapsulates "magic words" such as #redirect, __NOTOC__, etc.
+ * Usage:
+ *     if (MagicWord::get( MAG_REDIRECT )->match( $text ) )
+ *
+ * Possible future improvements:
+ *   * Simultaneous searching for a number of magic words
+ *   * $wgMagicWords in shared memory
+ *
+ * Please avoid reading the data out of one of these objects and then writing
+ * special case code. If possible, add another match()-like function here.
+ *
+ * @package MediaWiki
+ */
+class MagicWord {
+	/**#@+
+	 * @private
+	 */
+	var $mId, $mSynonyms, $mCaseSensitive, $mRegex;
+	var $mRegexStart, $mBaseRegex, $mVariableRegex;
+	var $mModified;
+	/**#@-*/
+
+	function MagicWord($id = 0, $syn = '', $cs = false) {
+		$this->mId = $id;
+		$this->mSynonyms = (array)$syn;
+		$this->mCaseSensitive = $cs;
+		$this->mRegex = '';
+		$this->mRegexStart = '';
+		$this->mVariableRegex = '';
+		$this->mVariableStartToEndRegex = '';
+		$this->mModified = false;
+	}
+
+	/**
+	 * Factory: creates an object representing an ID
+	 * @static
+	 */
+	function &get( $id ) {
+		global $wgMagicWords;
+
+		if ( !is_array( $wgMagicWords ) ) {
+			throw new MWException( "Incorrect initialisation order, \$wgMagicWords does not exist\n" );
+		}
+		if (!array_key_exists( $id, $wgMagicWords ) ) {
+			$mw = new MagicWord();
+			$mw->load( $id );
+			$wgMagicWords[$id] = $mw;
+		}
+		return $wgMagicWords[$id];
+	}
+
+	# Initialises this object with an ID
+	function load( $id ) {
+		global $wgContLang;
+		$this->mId = $id;
+		$wgContLang->getMagic( $this );
+	}
+
+	/**
+	 * Preliminary initialisation
+	 * @private
+	 */
+	function initRegex() {
+		#$variableClass = Title::legalChars();
+		# This was used for matching "$1" variables, but different uses of the feature will have
+		# different restrictions, which should be checked *after* the MagicWord has been matched,
+		# not here. - IMSoP
+		
+		$escSyn = array();
+		foreach ( $this->mSynonyms as $synonym )
+			// In case a magic word contains /, like that's going to happen;)
+			$escSyn[] = preg_quote( $synonym, '/' );
+		$this->mBaseRegex = implode( '|', $escSyn );
+		
+		$case = $this->mCaseSensitive ? '' : 'i';
+		$this->mRegex = "/{$this->mBaseRegex}/{$case}";
+		$this->mRegexStart = "/^(?:{$this->mBaseRegex})/{$case}";
+		$this->mVariableRegex = str_replace( "\\$1", "(.*?)", $this->mRegex );
+		$this->mVariableStartToEndRegex = str_replace( "\\$1", "(.*?)",
+			"/^(?:{$this->mBaseRegex})$/{$case}" );
+	}
+
+	/**
+	 * Gets a regex representing matching the word
+	 */
+	function getRegex() {
+		if ($this->mRegex == '' ) {
+			$this->initRegex();
+		}
+		return $this->mRegex;
+	}
+
+	/**
+	 * Gets the regexp case modifier to use, i.e. i or nothing, to be used if
+	 * one is using MagicWord::getBaseRegex(), otherwise it'll be included in
+	 * the complete expression
+	 */
+	function getRegexCase() {
+		if ( $this->mRegex === '' )
+			$this->initRegex();
+
+		return $this->mCaseSensitive ? '' : 'i';
+	}
+
+	/**
+	 * Gets a regex matching the word, if it is at the string start
+	 */
+	function getRegexStart() {
+		if ($this->mRegex == '' ) {
+			$this->initRegex();
+		}
+		return $this->mRegexStart;
+	}
+
+	/**
+	 * regex without the slashes and what not
+	 */
+	function getBaseRegex() {
+		if ($this->mRegex == '') {
+			$this->initRegex();
+		}
+		return $this->mBaseRegex;
+	}
+
+	/**
+	 * Returns true if the text contains the word
+	 * @return bool
+	 */
+	function match( $text ) {
+		return preg_match( $this->getRegex(), $text );
+	}
+
+	/**
+	 * Returns true if the text starts with the word
+	 * @return bool
+	 */
+	function matchStart( $text ) {
+		return preg_match( $this->getRegexStart(), $text );
+	}
+
+	/**
+	 * Returns NULL if there's no match, the value of $1 otherwise
+	 * The return code is the matched string, if there's no variable
+	 * part in the regex and the matched variable part ($1) if there
+	 * is one.
+	 */
+	function matchVariableStartToEnd( $text ) {
+		$matches = array();
+		$matchcount = preg_match( $this->getVariableStartToEndRegex(), $text, $matches );
+		if ( $matchcount == 0 ) {
+			return NULL;
+		} elseif ( count($matches) == 1 ) {
+			return $matches[0];
+		} else {
+			# multiple matched parts (variable match); some will be empty because of
+			# synonyms. The variable will be the second non-empty one so remove any
+			# blank elements and re-sort the indices.
+			$matches = array_values(array_filter($matches));
+			return $matches[1];
+		}
+	}
+
+
+	/**
+	 * Returns true if the text matches the word, and alters the
+	 * input string, removing all instances of the word
+	 */
+	function matchAndRemove( &$text ) {
+		global $wgMagicFound;
+		$wgMagicFound = false;
+		$text = preg_replace_callback( $this->getRegex(), 'pregRemoveAndRecord', $text );
+		return $wgMagicFound;
+	}
+
+	function matchStartAndRemove( &$text ) {
+		global $wgMagicFound;
+		$wgMagicFound = false;
+		$text = preg_replace_callback( $this->getRegexStart(), 'pregRemoveAndRecord', $text );
+		return $wgMagicFound;
+	}
+
+
+	/**
+	 * Replaces the word with something else
+	 */
+	function replace( $replacement, $subject, $limit=-1 ) {
+		$res = preg_replace( $this->getRegex(), wfRegexReplacement( $replacement ), $subject, $limit );
+		$this->mModified = !($res === $subject);
+		return $res;
+	}
+
+	/**
+	 * Variable handling: {{SUBST:xxx}} style words
+	 * Calls back a function to determine what to replace xxx with
+	 * Input word must contain $1
+	 */
+	function substituteCallback( $text, $callback ) {
+		$res = preg_replace_callback( $this->getVariableRegex(), $callback, $text );
+		$this->mModified = !($res === $text);
+		return $res;
+	}
+
+	/**
+	 * Matches the word, where $1 is a wildcard
+	 */
+	function getVariableRegex()	{
+		if ( $this->mVariableRegex == '' ) {
+			$this->initRegex();
+		}
+		return $this->mVariableRegex;
+	}
+
+	/**
+	 * Matches the entire string, where $1 is a wildcard
+	 */
+	function getVariableStartToEndRegex() {
+		if ( $this->mVariableStartToEndRegex == '' ) {
+			$this->initRegex();
+		}
+		return $this->mVariableStartToEndRegex;
+	}
+
+	/**
+	 * Accesses the synonym list directly
+	 */
+	function getSynonym( $i ) {
+		return $this->mSynonyms[$i];
+	}
+
+	function getSynonyms() {
+		return $this->mSynonyms;
+	}
+
+	/**
+	 * Returns true if the last call to replace() or substituteCallback()
+	 * returned a modified text, otherwise false.
+	 */
+	function getWasModified(){
+		return $this->mModified;
+	}
+
+	/**
+	 * $magicarr is an associative array of (magic word ID => replacement)
+	 * This method uses the php feature to do several replacements at the same time,
+	 * thereby gaining some efficiency. The result is placed in the out variable
+	 * $result. The return value is true if something was replaced.
+	 * @static
+	 **/
+	function replaceMultiple( $magicarr, $subject, &$result ){
+		$search = array();
+		$replace = array();
+		foreach( $magicarr as $id => $replacement ){
+			$mw = MagicWord::get( $id );
+			$search[] = $mw->getRegex();
+			$replace[] = $replacement;
+		}
+
+		$result = preg_replace( $search, $replace, $subject );
+		return !($result === $subject);
+	}
+
+	/**
+	 * Adds all the synonyms of this MagicWord to an array, to allow quick
+	 * lookup in a list of magic words
+	 */
+	function addToArray( &$array, $value ) {
+		foreach ( $this->mSynonyms as $syn ) {
+			$array[$syn] = $value;
+		}
+	}
+
+	function isCaseSensitive() {
+		return $this->mCaseSensitive;
+	}
+}
+
+/**
+ * Used in matchAndRemove()
+ * @private
+ **/
+function pregRemoveAndRecord( $match ) {
+	global $wgMagicFound;
+	$wgMagicFound = true;
+	return '';
+}
+
+?>
diff --git a/includes/Math.php b/includes/Math.php
new file mode 100644
index 00000000..f9d6a605
--- /dev/null
+++ b/includes/Math.php
@@ -0,0 +1,269 @@
+<?php
+/**
+ * Contain everything related to <math> </math> parsing
+ * @package MediaWiki
+ */
+
+/**
+ * Takes LaTeX fragments, sends them to a helper program (texvc) for rendering
+ * to rasterized PNG and HTML and MathML approximations. An appropriate
+ * rendering form is picked and returned.
+ *
+ * by Tomasz Wegrzanowski, with additions by Brion Vibber (2003, 2004)
+ *
+ * @package MediaWiki
+ */
+class MathRenderer {
+	var $mode = MW_MATH_MODERN;
+	var $tex = '';
+	var $inputhash = '';
+	var $hash = '';
+	var $html = '';
+	var $mathml = '';
+	var $conservativeness = 0;
+
+	function MathRenderer( $tex ) {
+		$this->tex = $tex;
+ 	}
+
+	function setOutputMode( $mode ) {
+		$this->mode = $mode;
+	}
+
+	function render() {
+		global $wgTmpDirectory, $wgInputEncoding;
+		global $wgTexvc;
+		$fname = 'MathRenderer::render';
+
+		if( $this->mode == MW_MATH_SOURCE ) {
+			# No need to render or parse anything more!
+			return ('$ '.htmlspecialchars( $this->tex ).' $');
+		}
+
+		if( !$this->_recall() ) {
+			# Ensure that the temp and output directories are available before continuing...
+			if( !file_exists( $wgTmpDirectory ) ) {
+				if( !@mkdir( $wgTmpDirectory ) ) {
+					return $this->_error( 'math_bad_tmpdir' );
+				}
+			} elseif( !is_dir( $wgTmpDirectory ) || !is_writable( $wgTmpDirectory ) ) {
+				return $this->_error( 'math_bad_tmpdir' );
+			}
+
+			if( function_exists( 'is_executable' ) && !is_executable( $wgTexvc ) ) {
+				return $this->_error( 'math_notexvc' );
+			}
+			$cmd = $wgTexvc . ' ' .
+					escapeshellarg( $wgTmpDirectory ).' '.
+					escapeshellarg( $wgTmpDirectory ).' '.
+					escapeshellarg( $this->tex ).' '.
+					escapeshellarg( $wgInputEncoding );
+
+			if ( wfIsWindows() ) {
+				# Invoke it within cygwin sh, because texvc expects sh features in its default shell
+				$cmd = 'sh -c ' . wfEscapeShellArg( $cmd );
+			}
+
+			wfDebug( "TeX: $cmd\n" );
+			$contents = `$cmd`;
+			wfDebug( "TeX output:\n $contents\n---\n" );
+
+			if (strlen($contents) == 0) {
+				return $this->_error( 'math_unknown_error' );
+			}
+
+			$retval = substr ($contents, 0, 1);
+			$errmsg = '';
+			if (($retval == 'C') || ($retval == 'M') || ($retval == 'L')) {
+				if ($retval == 'C')
+					$this->conservativeness = 2;
+				else if ($retval == 'M')
+					$this->conservativeness = 1;
+				else
+					$this->conservativeness = 0;
+				$outdata = substr ($contents, 33);
+
+				$i = strpos($outdata, "\000");
+
+				$this->html = substr($outdata, 0, $i);
+				$this->mathml = substr($outdata, $i+1);
+			} else if (($retval == 'c') || ($retval == 'm') || ($retval == 'l'))  {
+				$this->html = substr ($contents, 33);
+				if ($retval == 'c')
+					$this->conservativeness = 2;
+				else if ($retval == 'm')
+					$this->conservativeness = 1;
+				else
+					$this->conservativeness = 0;
+				$this->mathml = NULL;
+			} else if ($retval == 'X') {
+				$this->html = NULL;
+				$this->mathml = substr ($contents, 33);
+				$this->conservativeness = 0;
+			} else if ($retval == '+') {
+				$this->html = NULL;
+				$this->mathml = NULL;
+				$this->conservativeness = 0;
+			} else {
+				$errbit = htmlspecialchars( substr($contents, 1) );
+				switch( $retval ) {
+					case 'E': $errmsg = $this->_error( 'math_lexing_error', $errbit );
+					case 'S': $errmsg = $this->_error( 'math_syntax_error', $errbit );
+					case 'F': $errmsg = $this->_error( 'math_unknown_function', $errbit );
+					default:  $errmsg = $this->_error( 'math_unknown_error', $errbit );
+				}
+			}
+
+			if ( !$errmsg ) {
+				 $this->hash = substr ($contents, 1, 32);
+			}
+
+			$res = wfRunHooks( 'MathAfterTexvc', array( &$this, &$errmsg ) );
+
+			if ( $errmsg ) {
+				 return $errmsg;
+			}
+
+			if (!preg_match("/^[a-f0-9]{32}$/", $this->hash)) {
+				return $this->_error( 'math_unknown_error' );
+			}
+
+			if( !file_exists( "$wgTmpDirectory/{$this->hash}.png" ) ) {
+				return $this->_error( 'math_image_error' );
+			}
+
+			$hashpath = $this->_getHashPath();
+			if( !file_exists( $hashpath ) ) {
+				if( !@wfMkdirParents( $hashpath, 0755 ) ) {
+					return $this->_error( 'math_bad_output' );
+				}
+			} elseif( !is_dir( $hashpath ) || !is_writable( $hashpath ) ) {
+				return $this->_error( 'math_bad_output' );
+			}
+
+			if( !rename( "$wgTmpDirectory/{$this->hash}.png", "$hashpath/{$this->hash}.png" ) ) {
+				return $this->_error( 'math_output_error' );
+			}
+
+			# Now save it back to the DB:
+			if ( !wfReadOnly() ) {
+				$outmd5_sql = pack('H32', $this->hash);
+
+				$md5_sql = pack('H32', $this->md5); # Binary packed, not hex
+
+				$dbw =& wfGetDB( DB_MASTER );
+				$dbw->replace( 'math', array( 'math_inputhash' ),
+				  array(
+					'math_inputhash' => $md5_sql,
+					'math_outputhash' => $outmd5_sql,
+					'math_html_conservativeness' => $this->conservativeness,
+					'math_html' => $this->html,
+					'math_mathml' => $this->mathml,
+				  ), $fname, array( 'IGNORE' )
+				);
+			}
+
+		}
+
+		return $this->_doRender();
+	}
+
+	function _error( $msg, $append = '' ) {
+		$mf   = htmlspecialchars( wfMsg( 'math_failure' ) );
+		$errmsg = htmlspecialchars( wfMsg( $msg ) );
+		$source = htmlspecialchars( str_replace( "\n", ' ', $this->tex ) );
+		return "<strong class='error'>$mf ($errmsg$append): $source</strong>\n";
+	}
+
+	function _recall() {
+		global $wgMathDirectory;
+		$fname = 'MathRenderer::_recall';
+
+		$this->md5 = md5( $this->tex );
+		$dbr =& wfGetDB( DB_SLAVE );
+		$rpage = $dbr->selectRow( 'math',
+			array( 'math_outputhash','math_html_conservativeness','math_html','math_mathml' ),
+			array( 'math_inputhash' => pack("H32", $this->md5)), # Binary packed, not hex
+			$fname
+		);
+
+		if( $rpage !== false ) {
+			# Tailing 0x20s can get dropped by the database, add it back on if necessary:
+			$xhash = unpack( 'H32md5', $rpage->math_outputhash . "                " );
+			$this->hash = $xhash ['md5'];
+
+			$this->conservativeness = $rpage->math_html_conservativeness;
+			$this->html = $rpage->math_html;
+			$this->mathml = $rpage->math_mathml;
+
+			if( file_exists( $this->_getHashPath() . "/{$this->hash}.png" ) ) {
+				return true;
+			}
+
+			if( file_exists( $wgMathDirectory . "/{$this->hash}.png" ) ) {
+				$hashpath = $this->_getHashPath();
+
+				if( !file_exists( $hashpath ) ) {
+					if( !@wfMkdirParents( $hashpath, 0755 ) ) {
+						return false;
+					}
+				} elseif( !is_dir( $hashpath ) || !is_writable( $hashpath ) ) {
+					return false;
+				}
+				if ( function_exists( "link" ) ) {
+					return link ( $wgMathDirectory . "/{$this->hash}.png",
+							$hashpath . "/{$this->hash}.png" );
+				} else {
+					return rename ( $wgMathDirectory . "/{$this->hash}.png",
+							$hashpath . "/{$this->hash}.png" );
+				}
+			}
+
+		}
+
+		# Missing from the database and/or the render cache
+		return false;
+	}
+
+	/**
+	 * Select among PNG, HTML, or MathML output depending on
+	 */
+	function _doRender() {
+		if( $this->mode == MW_MATH_MATHML && $this->mathml != '' ) {
+			return "<math xmlns='http://www.w3.org/1998/Math/MathML'>{$this->mathml}</math>";
+		}
+		if (($this->mode == MW_MATH_PNG) || ($this->html == '') ||
+		   (($this->mode == MW_MATH_SIMPLE) && ($this->conservativeness != 2)) ||
+		   (($this->mode == MW_MATH_MODERN || $this->mode == MW_MATH_MATHML) && ($this->conservativeness == 0))) {
+			return $this->_linkToMathImage();
+		} else {
+			return '<span class="texhtml">'.$this->html.'</span>';
+		}
+	}
+
+	function _linkToMathImage() {
+		global $wgMathPath;
+		$url = htmlspecialchars( "$wgMathPath/" . substr($this->hash, 0, 1)
+					.'/'. substr($this->hash, 1, 1) .'/'. substr($this->hash, 2, 1)
+					. "/{$this->hash}.png" );
+		$alt = trim(str_replace("\n", ' ', htmlspecialchars( $this->tex )));
+		return "<img class='tex' src=\"$url\" alt=\"$alt\" />";
+	}
+
+	function _getHashPath() {
+		global $wgMathDirectory;
+		$path = $wgMathDirectory .'/'. substr($this->hash, 0, 1)
+					.'/'. substr($this->hash, 1, 1)
+					.'/'. substr($this->hash, 2, 1);
+		wfDebug( "TeX: getHashPath, hash is: $this->hash, path is: $path\n" );
+		return $path;
+	}
+
+	function renderMath( $tex ) {
+		global $wgUser;
+		$math = new MathRenderer( $tex );
+		$math->setOutputMode( $wgUser->getOption('math'));
+		return $math->render();
+	}
+}
+?>
diff --git a/includes/MemcachedSessions.php b/includes/MemcachedSessions.php
new file mode 100644
index 00000000..af49109c
--- /dev/null
+++ b/includes/MemcachedSessions.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ * This file gets included if $wgSessionsInMemcache is set in the config.
+ * It redirects session handling functions to store their data in memcached
+ * instead of the local filesystem. Depending on circumstances, it may also
+ * be necessary to change the cookie settings to work across hostnames.
+ * See: http://www.php.net/manual/en/function.session-set-save-handler.php
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * @todo document
+ */
+function memsess_key( $id ) {
+	global $wgDBname;
+	return "$wgDBname:session:$id";
+}
+
+/**
+ * @todo document
+ */
+function memsess_open( $save_path, $session_name ) {
+	# NOP, $wgMemc should be set up already
+	return true;
+}
+
+/**
+ * @todo document
+ */
+function memsess_close() {
+	# NOP
+	return true;
+}
+
+/**
+ * @todo document
+ */
+function memsess_read( $id ) {
+	global $wgMemc;
+	$data = $wgMemc->get( memsess_key( $id ) );
+	if( ! $data ) return '';
+	return $data;
+}
+
+/**
+ * @todo document
+ */
+function memsess_write( $id, $data ) {
+	global $wgMemc;
+	$wgMemc->set( memsess_key( $id ), $data, 3600 );
+	return true;
+}
+
+/**
+ * @todo document
+ */
+function memsess_destroy( $id ) {
+	global $wgMemc;
+	$wgMemc->delete( memsess_key( $id ) );
+	return true;
+}
+
+/**
+ * @todo document
+ */
+function memsess_gc( $maxlifetime ) {
+	# NOP: Memcached performs garbage collection.
+	return true;
+}
+
+session_set_save_handler( 'memsess_open', 'memsess_close', 'memsess_read', 'memsess_write', 'memsess_destroy', 'memsess_gc' );
+
+?>
diff --git a/includes/MessageCache.php b/includes/MessageCache.php
new file mode 100644
index 00000000..c8b7124c
--- /dev/null
+++ b/includes/MessageCache.php
@@ -0,0 +1,581 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+
+/**
+ *
+ */
+define( 'MSG_LOAD_TIMEOUT', 60);
+define( 'MSG_LOCK_TIMEOUT', 10);
+define( 'MSG_WAIT_TIMEOUT', 10);
+
+/**
+ * Message cache
+ * Performs various useful MediaWiki namespace-related functions
+ *
+ * @package MediaWiki
+ */
+class MessageCache {
+	var $mCache, $mUseCache, $mDisable, $mExpiry;
+	var $mMemcKey, $mKeys, $mParserOptions, $mParser;
+	var $mExtensionMessages = array();
+	var $mInitialised = false;
+	var $mDeferred = true;
+
+	function __construct( &$memCached, $useDB, $expiry, $memcPrefix) {
+		wfProfileIn( __METHOD__ );
+
+		$this->mUseCache = !is_null( $memCached );
+		$this->mMemc = &$memCached;
+		$this->mDisable = !$useDB;
+		$this->mExpiry = $expiry;
+		$this->mDisableTransform = false;
+		$this->mMemcKey = $memcPrefix.':messages';
+		$this->mKeys = false; # initialised on demand
+		$this->mInitialised = true;
+
+		wfProfileIn( __METHOD__.'-parseropt' );
+		$this->mParserOptions = new ParserOptions( $u=NULL );
+		wfProfileOut( __METHOD__.'-parseropt' );
+		$this->mParser = null;
+
+		# When we first get asked for a message,
+		# then we'll fill up the cache. If we
+		# can return a cache hit, this saves
+		# some extra milliseconds
+		$this->mDeferred = true;
+
+		wfProfileOut( __METHOD__ );
+	}
+
+	/**
+	 * Try to load the cache from a local file
+	 */
+	function loadFromLocal( $hash ) {
+		global $wgLocalMessageCache, $wgDBname;
+
+		$this->mCache = false;
+		if ( $wgLocalMessageCache === false ) {
+			return;
+		}
+
+		$filename = "$wgLocalMessageCache/messages-$wgDBname";
+
+		wfSuppressWarnings();
+		$file = fopen( $filename, 'r' );
+		wfRestoreWarnings();
+		if ( !$file ) {
+			return;
+		}
+
+		// Check to see if the file has the hash specified
+		$localHash = fread( $file, 32 );
+		if ( $hash == $localHash ) {
+			// All good, get the rest of it
+			$serialized = fread( $file, 1000000 );
+			$this->mCache = unserialize( $serialized );
+		}
+		fclose( $file );
+	}
+
+	/**
+	 * Save the cache to a local file
+	 */
+	function saveToLocal( $serialized, $hash ) {
+		global $wgLocalMessageCache, $wgDBname;
+
+		if ( $wgLocalMessageCache === false ) {
+			return;
+		}
+
+		$filename = "$wgLocalMessageCache/messages-$wgDBname";
+		$oldUmask = umask( 0 );
+		wfMkdirParents( $wgLocalMessageCache, 0777 );
+		umask( $oldUmask );
+
+		$file = fopen( $filename, 'w' );
+		if ( !$file ) {
+			wfDebug( "Unable to open local cache file for writing\n" );
+			return;
+		}
+
+		fwrite( $file, $hash . $serialized );
+		fclose( $file );
+		@chmod( $filename, 0666 );
+	}
+
+	function loadFromScript( $hash ) {
+		global $wgLocalMessageCache, $wgDBname;
+		if ( $wgLocalMessageCache === false ) {
+			return;
+		}
+		
+		$filename = "$wgLocalMessageCache/messages-$wgDBname";
+		
+		wfSuppressWarnings();
+		$file = fopen( $filename, 'r' );
+		wfRestoreWarnings();
+		if ( !$file ) {
+			return;
+		}
+		$localHash=substr(fread($file,40),8);
+		fclose($file);
+		if ($hash!=$localHash) {
+			return;
+		}
+		require("$wgLocalMessageCache/messages-$wgDBname");
+	}
+	
+	function saveToScript($array, $hash) {
+		global $wgLocalMessageCache, $wgDBname;
+		if ( $wgLocalMessageCache === false ) {
+			return;
+		}
+
+		$filename = "$wgLocalMessageCache/messages-$wgDBname";
+		$oldUmask = umask( 0 );
+		wfMkdirParents( $wgLocalMessageCache, 0777 );
+		umask( $oldUmask );
+		$file = fopen( $filename.'.tmp', 'w');
+		fwrite($file,"<?php\n//$hash\n\n \$this->mCache = array(");
+		
+		foreach ($array as $key => $message) {
+			fwrite($file, "'". $this->escapeForScript($key).
+				"' => '" . $this->escapeForScript($message). 
+				"',\n");
+		}
+		fwrite($file,");\n?>");
+		fclose($file);
+		rename($filename.'.tmp',$filename);
+	}
+
+	function escapeForScript($string) {
+		$string = str_replace( '\\', '\\\\', $string );
+		$string = str_replace( '\'', '\\\'', $string );
+		return $string;
+	}
+
+	/**
+	 * Loads messages either from memcached or the database, if not disabled
+	 * On error, quietly switches to a fallback mode
+	 * Returns false for a reportable error, true otherwise
+	 */
+	function load() {
+		global $wgLocalMessageCache, $wgLocalMessageCacheSerialized;
+
+		if ( $this->mDisable ) {
+			static $shownDisabled = false;
+			if ( !$shownDisabled ) {
+				wfDebug( "MessageCache::load(): disabled\n" );
+				$shownDisabled = true;
+			}
+			return true;
+		}
+		$fname = 'MessageCache::load';
+		wfProfileIn( $fname );
+		$success = true;
+
+		if ( $this->mUseCache ) {
+			$this->mCache = false;
+
+			# Try local cache
+			wfProfileIn( $fname.'-fromlocal' );
+			$hash = $this->mMemc->get( "{$this->mMemcKey}-hash" );
+			if ( $hash ) {
+				if ($wgLocalMessageCacheSerialized) {
+					$this->loadFromLocal( $hash );
+				} else {
+					$this->loadFromScript( $hash );
+				}
+			}
+			wfProfileOut( $fname.'-fromlocal' );
+
+			# Try memcached
+			if ( !$this->mCache ) {
+				wfProfileIn( $fname.'-fromcache' );
+				$this->mCache = $this->mMemc->get( $this->mMemcKey );
+
+				# Save to local cache
+				if ( $wgLocalMessageCache !== false ) {
+					$serialized = serialize( $this->mCache );
+					if ( !$hash ) {
+						$hash = md5( $serialized );
+						$this->mMemc->set( "{$this->mMemcKey}-hash", $hash, $this->mExpiry );
+					}
+					if ($wgLocalMessageCacheSerialized) {
+						$this->saveToLocal( $serialized,$hash );
+					} else {
+						$this->saveToScript( $this->mCache, $hash );
+					}
+				}
+				wfProfileOut( $fname.'-fromcache' );
+			}
+
+
+			# If there's nothing in memcached, load all the messages from the database
+			if ( !$this->mCache ) {
+				wfDebug( "MessageCache::load(): loading all messages\n" );
+				$this->lock();
+				# Other threads don't need to load the messages if another thread is doing it.
+				$success = $this->mMemc->add( $this->mMemcKey.'-status', "loading", MSG_LOAD_TIMEOUT );
+				if ( $success ) {
+					wfProfileIn( $fname.'-load' );
+					$this->loadFromDB();
+					wfProfileOut( $fname.'-load' );
+
+					# Save in memcached
+					# Keep trying if it fails, this is kind of important
+					wfProfileIn( $fname.'-save' );
+					for ($i=0; $i<20 &&
+					           !$this->mMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry );
+					     $i++ ) {
+						usleep(mt_rand(500000,1500000));
+					}
+
+					# Save to local cache
+					if ( $wgLocalMessageCache !== false ) {
+						$serialized = serialize( $this->mCache );
+						$hash = md5( $serialized );
+						$this->mMemc->set( "{$this->mMemcKey}-hash", $hash, $this->mExpiry );
+						if ($wgLocalMessageCacheSerialized) {
+							$this->saveToLocal( $serialized,$hash );
+						} else {
+							$this->saveToScript( $this->mCache, $hash );
+						}
+					}
+
+					wfProfileOut( $fname.'-save' );
+					if ( $i == 20 ) {
+						$this->mMemc->set( $this->mMemcKey.'-status', 'error', 60*5 );
+						wfDebug( "MemCached set error in MessageCache: restart memcached server!\n" );
+					}
+				}
+				$this->unlock();
+			}
+
+			if ( !is_array( $this->mCache ) ) {
+				wfDebug( "MessageCache::load(): individual message mode\n" );
+				# If it is 'loading' or 'error', switch to individual message mode, otherwise disable
+				# Causing too much DB load, disabling -- TS
+				$this->mDisable = true;
+				/*
+				if ( $this->mCache == "loading" ) {
+					$this->mUseCache = false;
+				} elseif ( $this->mCache == "error" ) {
+					$this->mUseCache = false;
+					$success = false;
+				} else {
+					$this->mDisable = true;
+					$success = false;
+				}*/
+				$this->mCache = false;
+			}
+		}
+		wfProfileOut( $fname );
+		$this->mDeferred = false;
+		return $success;
+	}
+
+	/**
+	 * Loads all or main part of cacheable messages from the database
+	 */
+	function loadFromDB() {
+		global $wgAllMessagesEn, $wgLang;
+
+		$fname = 'MessageCache::loadFromDB';
+		$dbr =& wfGetDB( DB_SLAVE );
+		if ( !$dbr ) {
+			throw new MWException( 'Invalid database object' );
+		}
+		$conditions = array( 'page_is_redirect' => 0,
+					'page_namespace' => NS_MEDIAWIKI);
+		$res = $dbr->select( array( 'page', 'revision', 'text' ),
+			array( 'page_title', 'old_text', 'old_flags' ),
+			'page_is_redirect=0 AND page_namespace='.NS_MEDIAWIKI.' AND page_latest=rev_id AND rev_text_id=old_id',
+			$fname
+		);
+
+		$this->mCache = array();
+		for ( $row = $dbr->fetchObject( $res ); $row; $row = $dbr->fetchObject( $res ) ) {
+			$this->mCache[$row->page_title] = Revision::getRevisionText( $row );
+		}
+
+		# Negative caching
+		# Go through the language array and the extension array and make a note of
+		# any keys missing from the cache
+		foreach ( $wgAllMessagesEn as $key => $value ) {
+			$uckey = $wgLang->ucfirst( $key );
+			if ( !array_key_exists( $uckey, $this->mCache ) ) {
+				$this->mCache[$uckey] = false;
+			}
+		}
+
+		# Make sure all extension messages are available
+		wfLoadAllExtensions();
+
+		# Add them to the cache
+		foreach ( $this->mExtensionMessages as $key => $value ) {
+			$uckey = $wgLang->ucfirst( $key );
+			if ( !array_key_exists( $uckey, $this->mCache ) &&
+			 ( isset( $this->mExtensionMessages[$key][$wgLang->getCode()] ) || isset( $this->mExtensionMessages[$key]['en'] ) )  ) {
+				$this->mCache[$uckey] = false;
+			}
+		}
+
+		$dbr->freeResult( $res );
+	}
+
+	/**
+	 * Not really needed anymore
+	 */
+	function getKeys() {
+		global $wgAllMessagesEn, $wgContLang;
+		if ( !$this->mKeys ) {
+			$this->mKeys = array();
+			foreach ( $wgAllMessagesEn as $key => $value ) {
+				$title = $wgContLang->ucfirst( $key );
+				array_push( $this->mKeys, $title );
+			}
+		}
+		return $this->mKeys;
+	}
+
+	/**
+	 * @deprecated
+	 */
+	function isCacheable( $key ) {
+		return true;
+	}
+
+	function replace( $title, $text ) {
+		global $wgLocalMessageCache, $wgLocalMessageCacheSerialized, $parserMemc, $wgDBname;
+
+		$this->lock();
+		$this->load();
+		$parserMemc->delete("$wgDBname:sidebar");
+		if ( is_array( $this->mCache ) ) {
+			$this->mCache[$title] = $text;
+			$this->mMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry );
+
+			# Save to local cache
+			if ( $wgLocalMessageCache !== false ) {
+				$serialized = serialize( $this->mCache );
+				$hash = md5( $serialized );
+				$this->mMemc->set( "{$this->mMemcKey}-hash", $hash, $this->mExpiry );
+				if ($wgLocalMessageCacheSerialized) {
+					$this->saveToLocal( $serialized,$hash );
+				} else {
+					$this->saveToScript( $this->mCache, $hash );
+				}
+			}
+
+
+		}
+		$this->unlock();
+	}
+
+	/**
+	 * Returns success
+	 * Represents a write lock on the messages key
+	 */
+	function lock() {
+		if ( !$this->mUseCache ) {
+			return true;
+		}
+
+		$lockKey = $this->mMemcKey . 'lock';
+		for ($i=0; $i < MSG_WAIT_TIMEOUT && !$this->mMemc->add( $lockKey, 1, MSG_LOCK_TIMEOUT ); $i++ ) {
+			sleep(1);
+		}
+
+		return $i >= MSG_WAIT_TIMEOUT;
+	}
+
+	function unlock() {
+		if ( !$this->mUseCache ) {
+			return;
+		}
+
+		$lockKey = $this->mMemcKey . 'lock';
+		$this->mMemc->delete( $lockKey );
+	}
+
+	function get( $key, $useDB, $forcontent=true, $isfullkey = false ) {
+		global $wgContLanguageCode;
+		if( $forcontent ) {
+			global $wgContLang;
+			$lang =& $wgContLang;
+			$langcode = $wgContLanguageCode;
+		} else {
+			global $wgLang, $wgLanguageCode;
+			$lang =& $wgLang;
+			$langcode = $wgLanguageCode;
+		}
+		# If uninitialised, someone is trying to call this halfway through Setup.php
+		if( !$this->mInitialised ) {
+			return '&lt;' . htmlspecialchars($key) . '&gt;';
+		}
+		# If cache initialization was deferred, start it now.
+		if( $this->mDeferred && !$this->mDisable && $useDB ) {
+			$this->load();
+		}
+
+		$message = false;
+		if( !$this->mDisable && $useDB ) {
+			$title = $lang->ucfirst( $key );
+			if(!$isfullkey && ($langcode != $wgContLanguageCode) ) {
+				$title .= '/' . $langcode;
+			}
+			$message = $this->getFromCache( $title );
+		}
+		# Try the extension array
+		if( $message === false && array_key_exists( $key, $this->mExtensionMessages ) ) {
+			if ( isset( $this->mExtensionMessages[$key][$langcode] ) ) {
+				$message = $this->mExtensionMessages[$key][$langcode];
+			} elseif ( isset( $this->mExtensionMessages[$key]['en'] ) ) {
+				$message = $this->mExtensionMessages[$key]['en'];
+			}
+		}
+
+		# Try the array in the language object
+		if( $message === false ) {
+			wfSuppressWarnings();
+			$message = $lang->getMessage( $key );
+			wfRestoreWarnings();
+			if ( is_null( $message ) ) {
+				$message = false;
+			}
+		}
+
+		# Try the English array
+		if( $message === false && $langcode != 'en' ) {
+			wfSuppressWarnings();
+			$message = Language::getMessage( $key );
+			wfRestoreWarnings();
+			if ( is_null( $message ) ) {
+				$message = false;
+			}
+		}
+
+		# Is this a custom message? Try the default language in the db...
+		if( ($message === false || $message === '-' ) &&
+			!$this->mDisable && $useDB &&
+			!$isfullkey && ($langcode != $wgContLanguageCode) ) {
+			$message = $this->getFromCache( $lang->ucfirst( $key ) );
+		}
+
+		# Final fallback
+		if( $message === false ) {
+			return '&lt;' . htmlspecialchars($key) . '&gt;';
+		}
+
+		# Replace brace tags
+		$message = $this->transform( $message );
+		return $message;
+	}
+
+	function getFromCache( $title ) {
+		$message = false;
+
+		# Try the cache
+		if( $this->mUseCache && is_array( $this->mCache ) && array_key_exists( $title, $this->mCache ) ) {
+			return $this->mCache[$title];
+		}
+
+		# Try individual message cache
+		if ( $this->mUseCache ) {
+			$message = $this->mMemc->get( $this->mMemcKey . ':' . $title );
+			if ( $message == '###NONEXISTENT###' ) {
+				return false;
+			} elseif( !is_null( $message ) ) {
+				$this->mCache[$title] = $message;
+				return $message;
+			} else {
+				$message = false;
+			}
+		}
+
+		# Call message Hooks, in case they are defined
+		wfRunHooks('MessagesPreLoad',array($title,&$message));
+
+		# If it wasn't in the cache, load each message from the DB individually
+		$revision = Revision::newFromTitle( Title::makeTitle( NS_MEDIAWIKI, $title ) );
+		if( $revision ) {
+			$message = $revision->getText();
+			if ($this->mUseCache) {
+				$this->mCache[$title]=$message;
+				/* individual messages may be often
+				   recached until proper purge code exists
+				*/
+				$this->mMemc->set( $this->mMemcKey . ':' . $title, $message, 300 );
+			}
+		} else {
+			# Negative caching
+			# Use some special text instead of false, because false gets converted to '' somewhere
+			$this->mMemc->set( $this->mMemcKey . ':' . $title, '###NONEXISTENT###', $this->mExpiry );
+		}
+
+		return $message;
+	}
+
+	function transform( $message ) {
+		global $wgParser;
+		if ( !$this->mParser && isset( $wgParser ) ) {
+			# Do some initialisation so that we don't have to do it twice
+			$wgParser->firstCallInit();
+			# Clone it and store it
+			$this->mParser = clone $wgParser;
+		}
+		if ( !$this->mDisableTransform && $this->mParser ) {
+			if( strpos( $message, '{{' ) !== false ) {
+				$message = $this->mParser->transformMsg( $message, $this->mParserOptions );
+			}
+		}
+		return $message;
+	}
+
+	function disable() { $this->mDisable = true; }
+	function enable() { $this->mDisable = false; }
+	function disableTransform() { $this->mDisableTransform = true; }
+	function enableTransform() { $this->mDisableTransform = false; }
+	function setTransform( $x ) { $this->mDisableTransform = $x; }
+	function getTransform() { return $this->mDisableTransform; }
+
+	/**
+	 * Add a message to the cache
+	 *
+	 * @param mixed $key
+	 * @param mixed $value
+	 * @param string $lang The messages language, English by default
+	 */
+	function addMessage( $key, $value, $lang = 'en' ) {
+		$this->mExtensionMessages[$key][$lang] = $value;
+	}
+
+	/**
+	 * Add an associative array of message to the cache
+	 *
+	 * @param array $messages An associative array of key => values to be added
+	 * @param string $lang The messages language, English by default
+	 */
+	function addMessages( $messages, $lang = 'en' ) {
+		wfProfileIn( __METHOD__ );
+		foreach ( $messages as $key => $value ) {
+			$this->addMessage( $key, $value, $lang );
+		}
+		wfProfileOut( __METHOD__ );
+	}
+
+	/**
+	 * Clear all stored messages. Mainly used after a mass rebuild.
+	 */
+	function clear() {
+		if( $this->mUseCache ) {
+			$this->mMemc->delete( $this->mMemcKey );
+		}
+	}
+}
+?>
diff --git a/includes/Metadata.php b/includes/Metadata.php
new file mode 100644
index 00000000..af40ab21
--- /dev/null
+++ b/includes/Metadata.php
@@ -0,0 +1,362 @@
+<?php
+/**
+ * Metadata.php -- provides DublinCore and CreativeCommons metadata
+ * Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * @author Evan Prodromou <evan@wikitravel.org>
+ * @package MediaWiki
+ */
+
+/**
+ *
+ */
+define('RDF_TYPE_PREFS', "application/rdf+xml,text/xml;q=0.7,application/xml;q=0.5,text/rdf;q=0.1");
+
+function wfDublinCoreRdf($article) {
+
+	$url = dcReallyFullUrl($article->mTitle);
+
+	if (rdfSetup()) {
+		dcPrologue($url);
+		dcBasics($article);
+		dcEpilogue();
+	}
+}
+
+function wfCreativeCommonsRdf($article) {
+
+	if (rdfSetup()) {
+		global $wgRightsUrl;
+
+		$url = dcReallyFullUrl($article->mTitle);
+
+		ccPrologue();
+		ccSubPrologue('Work', $url);
+		dcBasics($article);
+		if (isset($wgRightsUrl)) {
+			$url = htmlspecialchars( $wgRightsUrl );
+			print "    <cc:license rdf:resource=\"$url\" />\n";
+		}
+
+		ccSubEpilogue('Work');
+
+		if (isset($wgRightsUrl)) {
+			$terms = ccGetTerms($wgRightsUrl);
+			if ($terms) {
+				ccSubPrologue('License', $wgRightsUrl);
+				ccLicense($terms);
+				ccSubEpilogue('License');
+			}
+		}
+	}
+
+	ccEpilogue();
+}
+
+/**
+ * @private
+ */
+function rdfSetup() {
+	global $wgOut, $_SERVER;
+
+	$rdftype = wfNegotiateType(wfAcceptToPrefs($_SERVER['HTTP_ACCEPT']), wfAcceptToPrefs(RDF_TYPE_PREFS));
+
+	if (!$rdftype) {
+		wfHttpError(406, "Not Acceptable", wfMsg("notacceptable"));
+		return false;
+	} else {
+		$wgOut->disable();
+		header( "Content-type: {$rdftype}" );
+		$wgOut->sendCacheControl();
+		return true;
+	}
+}
+
+/**
+ * @private
+ */
+function dcPrologue($url) {
+	global $wgOutputEncoding;
+
+	$url = htmlspecialchars( $url );
+	print "<" . "?xml version=\"1.0\" encoding=\"{$wgOutputEncoding}\" ?" . ">
+
+																			  <!DOCTYPE rdf:RDF PUBLIC \"-//DUBLIN CORE//DCMES DTD 2002/07/31//EN\" \"http://dublincore.org/documents/2002/07/31/dcmes-xml/dcmes-xml-dtd.dtd\">
+
+																			  <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"
+																			  xmlns:dc=\"http://purl.org/dc/elements/1.1/\">
+																			  <rdf:Description rdf:about=\"$url\">
+																			  ";
+}
+
+/**
+ * @private
+ */
+function dcEpilogue() {
+	print "
+			</rdf:Description>
+			</rdf:RDF>
+			";
+}
+
+/**
+ * @private
+ */
+function dcBasics($article) {
+	global $wgContLanguageCode, $wgSitename;
+
+	dcElement('title', $article->mTitle->getText());
+	dcPageOrString('publisher', wfMsg('aboutpage'), $wgSitename);
+	dcElement('language', $wgContLanguageCode);
+	dcElement('type', 'Text');
+	dcElement('format', 'text/html');
+	dcElement('identifier', dcReallyFullUrl($article->mTitle));
+	dcElement('date', dcDate($article->getTimestamp()));
+
+	$last_editor = $article->getUser();
+
+	if ($last_editor == 0) {
+		dcPerson('creator', 0);
+	} else {
+		dcPerson('creator', $last_editor, $article->getUserText(),
+				 User::whoIsReal($last_editor));
+	}
+
+	$contributors = $article->getContributors();
+
+	foreach ($contributors as $user_parts) {
+		dcPerson('contributor', $user_parts[0], $user_parts[1], $user_parts[2]);
+	}
+
+	dcRights($article);
+}
+
+/**
+ * @private
+ */
+function ccPrologue() {
+	global $wgOutputEncoding;
+
+	echo "<" . "?xml version='1.0'  encoding='{$wgOutputEncoding}' ?" . ">
+
+																		  <rdf:RDF xmlns:cc=\"http://web.resource.org/cc/\"
+																		  xmlns:dc=\"http://purl.org/dc/elements/1.1/\"
+																		  xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">
+																		  ";
+}
+
+/**
+ * @private
+ */
+function ccSubPrologue($type, $url) {
+	$url = htmlspecialchars( $url );
+	echo "  <cc:{$type} rdf:about=\"{$url}\">\n";
+}
+
+/**
+ * @private
+ */
+function ccSubEpilogue($type) {
+	echo "  </cc:{$type}>\n";
+}
+
+/**
+ * @private
+ */
+function ccLicense($terms) {
+
+	foreach ($terms as $term) {
+		switch ($term) {
+		 case 're':
+			ccTerm('permits', 'Reproduction'); break;
+		 case 'di':
+			ccTerm('permits', 'Distribution'); break;
+		 case 'de':
+			ccTerm('permits', 'DerivativeWorks'); break;
+		 case 'nc':
+			ccTerm('prohibits', 'CommercialUse'); break;
+		 case 'no':
+			ccTerm('requires', 'Notice'); break;
+		 case 'by':
+			ccTerm('requires', 'Attribution'); break;
+		 case 'sa':
+			ccTerm('requires', 'ShareAlike'); break;
+		 case 'sc':
+			ccTerm('requires', 'SourceCode'); break;
+		}
+	}
+}
+
+/**
+ * @private
+ */
+function ccTerm($term, $name) {
+	print "    <cc:{$term} rdf:resource=\"http://web.resource.org/cc/{$name}\" />\n";
+}
+
+/**
+ * @private
+ */
+function ccEpilogue() {
+	echo "</rdf:RDF>\n";
+}
+
+/**
+ * @private
+ */
+function dcElement($name, $value) {
+	$value = htmlspecialchars( $value );
+	print "    <dc:{$name}>{$value}</dc:{$name}>\n";
+}
+
+/**
+ * @private
+ */
+function dcDate($timestamp) {
+	return substr($timestamp, 0, 4) . '-'
+	  . substr($timestamp, 4, 2) . '-'
+	  . substr($timestamp, 6, 2);
+}
+
+/**
+ * @private
+ */
+function dcReallyFullUrl($title) {
+	return $title->getFullURL();
+}
+
+/**
+ * @private
+ */
+function dcPageOrString($name, $page, $str) {
+	$nt = Title::newFromText($page);
+
+	if (!$nt || $nt->getArticleID() == 0) {
+		dcElement($name, $str);
+	} else {
+		dcPage($name, $nt);
+	}
+}
+
+/**
+ * @private
+ */
+function dcPage($name, $title) {
+	dcUrl($name, dcReallyFullUrl($title));
+}
+
+/**
+ * @private
+ */
+function dcUrl($name, $url) {
+	$url = htmlspecialchars( $url );
+	print "    <dc:{$name} rdf:resource=\"{$url}\" />\n";
+}
+
+/**
+ * @private
+ */
+function dcPerson($name, $id, $user_name='', $user_real_name='') {
+	global $wgContLang;
+
+	if ($id == 0) {
+		dcElement($name, wfMsg('anonymous'));
+	} else if ( !empty($user_real_name) ) {
+		dcElement($name, $user_real_name);
+	} else {
+		# XXX: This shouldn't happen.
+		if( empty( $user_name ) ) {
+			$user_name = User::whoIs($id);
+		}
+		dcPageOrString($name, $wgContLang->getNsText(NS_USER) . ':' . $user_name, wfMsg('siteuser', $user_name));
+	}
+}
+
+/**
+ * Takes an arg, for future enhancement with different rights for
+ * different pages.
+ * @private
+ */
+function dcRights($article) {
+
+	global $wgRightsPage, $wgRightsUrl, $wgRightsText;
+
+	if (isset($wgRightsPage) &&
+		($nt = Title::newFromText($wgRightsPage))
+		&& ($nt->getArticleID() != 0)) {
+		dcPage('rights', $nt);
+	} else if (isset($wgRightsUrl)) {
+		dcUrl('rights', $wgRightsUrl);
+	} else if (isset($wgRightsText)) {
+		dcElement('rights', $wgRightsText);
+	}
+}
+
+/**
+ * @private
+ */
+function ccGetTerms($url) {
+	global $wgLicenseTerms;
+
+	if (isset($wgLicenseTerms)) {
+		return $wgLicenseTerms;
+	} else {
+		$known = getKnownLicenses();
+		return $known[$url];
+	}
+}
+
+/**
+ * @private
+ */
+function getKnownLicenses() {
+
+	$ccLicenses = array('by', 'by-nd', 'by-nd-nc', 'by-nc',
+						'by-nc-sa', 'by-sa');
+	$ccVersions = array('1.0', '2.0');
+	$knownLicenses = array();
+
+	foreach ($ccVersions as $version) {
+		foreach ($ccLicenses as $license) {
+			if( $version == '2.0' && substr( $license, 0, 2) != 'by' ) {
+				# 2.0 dropped the non-attribs licenses
+				continue;
+			}
+			$lurl = "http://creativecommons.org/licenses/{$license}/{$version}/";
+			$knownLicenses[$lurl] = explode('-', $license);
+			$knownLicenses[$lurl][] = 're';
+			$knownLicenses[$lurl][] = 'di';
+			$knownLicenses[$lurl][] = 'no';
+			if (!in_array('nd', $knownLicenses[$lurl])) {
+				$knownLicenses[$lurl][] = 'de';
+			}
+		}
+	}
+
+	/* Handle the GPL and LGPL, too. */
+
+	$knownLicenses['http://creativecommons.org/licenses/GPL/2.0/'] =
+	  array('de', 're', 'di', 'no', 'sa', 'sc');
+	$knownLicenses['http://creativecommons.org/licenses/LGPL/2.1/'] =
+	  array('de', 're', 'di', 'no', 'sa', 'sc');
+	$knownLicenses['http://www.gnu.org/copyleft/fdl.html'] =
+	  array('de', 're', 'di', 'no', 'sa', 'sc');
+
+	return $knownLicenses;
+}
+
+?>
diff --git a/includes/MimeMagic.php b/includes/MimeMagic.php
new file mode 100644
index 00000000..30861ba3
--- /dev/null
+++ b/includes/MimeMagic.php
@@ -0,0 +1,695 @@
+<?php
+/** Module defining helper functions for detecting and dealing with mime types.
+ *
+ * @package MediaWiki
+ */
+
+ /** Defines a set of well known mime types
+ * This is used as a fallback to mime.types files.
+ * An extensive list of well known mime types is provided by
+ * the file mime.types in the includes directory.
+ */
+define('MM_WELL_KNOWN_MIME_TYPES',<<<END_STRING
+application/ogg ogg ogm
+application/pdf pdf
+application/x-javascript js
+application/x-shockwave-flash swf
+audio/midi mid midi kar
+audio/mpeg mpga mpa mp2 mp3
+audio/x-aiff aif aiff aifc
+audio/x-wav wav
+audio/ogg ogg
+image/x-bmp bmp
+image/gif gif
+image/jpeg jpeg jpg jpe
+image/png png
+image/svg+xml svg
+image/tiff tiff tif
+image/vnd.djvu djvu
+text/plain txt
+text/html html htm
+video/ogg ogm ogg
+video/mpeg mpg mpeg
+END_STRING
+);
+
+ /** Defines a set of well known mime info entries
+ * This is used as a fallback to mime.info files.
+ * An extensive list of well known mime types is provided by
+ * the file mime.info in the includes directory.
+ */
+define('MM_WELL_KNOWN_MIME_INFO', <<<END_STRING
+application/pdf [OFFICE]
+text/javascript application/x-javascript [EXECUTABLE]
+application/x-shockwave-flash [MULTIMEDIA]
+audio/midi [AUDIO]
+audio/x-aiff [AUDIO]
+audio/x-wav [AUDIO]
+audio/mp3 audio/mpeg [AUDIO]
+application/ogg audio/ogg video/ogg [MULTIMEDIA]
+image/x-bmp image/bmp [BITMAP]
+image/gif [BITMAP]
+image/jpeg [BITMAP]
+image/png [BITMAP]
+image/svg image/svg+xml [DRAWING]
+image/tiff [BITMAP]
+image/vnd.djvu [BITMAP]
+text/plain [TEXT]
+text/html [TEXT]
+video/ogg [VIDEO]
+video/mpeg [VIDEO]
+unknown/unknown application/octet-stream application/x-empty [UNKNOWN]
+END_STRING
+);
+
+#note: because this file is possibly included by a function,
+#we need to access the global scope explicitely!
+global $wgLoadFileinfoExtension;
+
+if ($wgLoadFileinfoExtension) {
+	if(!extension_loaded('fileinfo')) dl('fileinfo.' . PHP_SHLIB_SUFFIX);
+}
+
+/** Implements functions related to mime types such as detection and mapping to
+* file extension,
+*
+* Instances of this class are stateles, there only needs to be one global instance
+* of MimeMagic. Please use wfGetMimeMagic to get that instance.
+* @package MediaWiki
+*/
+class MimeMagic {
+
+	/**
+	* Mapping of media types to arrays of mime types.
+	* This is used by findMediaType and getMediaType, respectively
+	*/
+	var $mMediaTypes= NULL;
+
+	/** Map of mime type aliases
+	*/
+	var $mMimeTypeAliases= NULL;
+
+	/** map of mime types to file extensions (as a space seprarated list)
+	*/
+	var $mMimeToExt= NULL;
+
+	/** map of file extensions types to mime types (as a space seprarated list)
+	*/
+	var $mExtToMime= NULL;
+
+	/** Initializes the MimeMagic object. This is called by wfGetMimeMagic when instantiation
+	* the global MimeMagic singleton object.
+	*
+	* This constructor parses the mime.types and mime.info files and build internal mappings.
+	*/
+	function MimeMagic() {
+		/*
+		*   --- load mime.types ---
+		*/
+
+		global $wgMimeTypeFile;
+
+		$types= MM_WELL_KNOWN_MIME_TYPES;
+
+		if ($wgMimeTypeFile) {
+			if (is_file($wgMimeTypeFile) and is_readable($wgMimeTypeFile)) {
+				wfDebug("MimeMagic::MimeMagic: loading mime types from $wgMimeTypeFile\n");
+
+				$types.= "\n";
+				$types.= file_get_contents($wgMimeTypeFile);
+			}
+			else wfDebug("MimeMagic::MimeMagic: can't load mime types from $wgMimeTypeFile\n");
+		}
+		else wfDebug("MimeMagic::MimeMagic: no mime types file defined, using build-ins only.\n");
+
+		$types= str_replace(array("\r\n","\n\r","\n\n","\r\r","\r"),"\n",$types);
+		$types= str_replace("\t"," ",$types);
+
+		$this->mMimeToExt= array();
+		$this->mToMime= array();
+
+		$lines= explode("\n",$types);
+		foreach ($lines as $s) {
+			$s= trim($s);
+			if (empty($s)) continue;
+			if (strpos($s,'#')===0) continue;
+
+			$s= strtolower($s);
+			$i= strpos($s,' ');
+
+			if ($i===false) continue;
+
+			#print "processing MIME line $s<br>";
+
+			$mime= substr($s,0,$i);
+			$ext= trim(substr($s,$i+1));
+
+			if (empty($ext)) continue;
+
+			if (@$this->mMimeToExt[$mime]) $this->mMimeToExt[$mime] .= ' '.$ext;
+			else $this->mMimeToExt[$mime]= $ext;
+
+			$extensions= explode(' ',$ext);
+
+			foreach ($extensions as $e) {
+				$e= trim($e);
+				if (empty($e)) continue;
+
+				if (@$this->mExtToMime[$e]) $this->mExtToMime[$e] .= ' '.$mime;
+				else $this->mExtToMime[$e]= $mime;
+			}
+		}
+
+		/*
+		*   --- load mime.info ---
+		*/
+
+		global $wgMimeInfoFile;
+
+		$info= MM_WELL_KNOWN_MIME_INFO;
+
+		if ($wgMimeInfoFile) {
+			if (is_file($wgMimeInfoFile) and is_readable($wgMimeInfoFile)) {
+				wfDebug("MimeMagic::MimeMagic: loading mime info from $wgMimeInfoFile\n");
+
+				$info.= "\n";
+				$info.= file_get_contents($wgMimeInfoFile);
+			}
+			else wfDebug("MimeMagic::MimeMagic: can't load mime info from $wgMimeInfoFile\n");
+		}
+		else wfDebug("MimeMagic::MimeMagic: no mime info file defined, using build-ins only.\n");
+
+		$info= str_replace(array("\r\n","\n\r","\n\n","\r\r","\r"),"\n",$info);
+		$info= str_replace("\t"," ",$info);
+
+		$this->mMimeTypeAliases= array();
+		$this->mMediaTypes= array();
+
+		$lines= explode("\n",$info);
+		foreach ($lines as $s) {
+			$s= trim($s);
+			if (empty($s)) continue;
+			if (strpos($s,'#')===0) continue;
+
+			$s= strtolower($s);
+			$i= strpos($s,' ');
+
+			if ($i===false) continue;
+
+			#print "processing MIME INFO line $s<br>";
+
+			$match= array();
+			if (preg_match('!\[\s*(\w+)\s*\]!',$s,$match)) {
+				$s= preg_replace('!\[\s*(\w+)\s*\]!','',$s);
+				$mtype= trim(strtoupper($match[1]));
+			}
+			else $mtype= MEDIATYPE_UNKNOWN;
+
+			$m= explode(' ',$s);
+
+			if (!isset($this->mMediaTypes[$mtype])) $this->mMediaTypes[$mtype]= array();
+
+			foreach ($m as $mime) {
+				$mime= trim($mime);
+				if (empty($mime)) continue;
+
+				$this->mMediaTypes[$mtype][]= $mime;
+			}
+
+			if (sizeof($m)>1) {
+				$main= $m[0];
+				for ($i=1; $i<sizeof($m); $i+= 1) {
+					$mime= $m[$i];
+					$this->mMimeTypeAliases[$mime]= $main;
+				}
+			}
+		}
+
+	}
+
+	/** returns a list of file extensions for a given mime type
+	* as a space separated string.
+	*/
+	function getExtensionsForType($mime) {
+		$mime= strtolower($mime);
+
+		$r= @$this->mMimeToExt[$mime];
+
+		if (@!$r and isset($this->mMimeTypeAliases[$mime])) {
+			$mime= $this->mMimeTypeAliases[$mime];
+			$r= @$this->mMimeToExt[$mime];
+		}
+
+		return $r;
+	}
+
+	/** returns a list of mime types for a given file extension
+	* as a space separated string.
+	*/
+	function getTypesForExtension($ext) {
+		$ext= strtolower($ext);
+
+		$r= @$this->mExtToMime[$ext];
+		return $r;
+	}
+
+	/** returns a single mime type for a given file extension.
+	* This is always the first type from the list returned by getTypesForExtension($ext).
+	*/
+	function guessTypesForExtension($ext) {
+		$m= $this->getTypesForExtension( $ext );
+		if( is_null($m) ) return NULL;
+
+		$m= trim( $m );
+		$m= preg_replace('/\s.*$/','',$m);
+
+		return $m;
+	}
+
+
+	/** tests if the extension matches the given mime type.
+	* returns true if a match was found, NULL if the mime type is unknown,
+	* and false if the mime type is known but no matches where found.
+	*/
+	function isMatchingExtension($extension,$mime) {
+		$ext= $this->getExtensionsForType($mime);
+
+		if (!$ext) {
+			return NULL;  //unknown
+		}
+
+		$ext= explode(' ',$ext);
+
+		$extension= strtolower($extension);
+ 		if (in_array($extension,$ext)) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/** returns true if the mime type is known to represent
+	* an image format supported by the PHP GD library.
+	*/
+	function isPHPImageType( $mime ) {
+		#as defined by imagegetsize and image_type_to_mime
+		static $types = array(
+			'image/gif', 'image/jpeg', 'image/png',
+			'image/x-bmp', 'image/xbm', 'image/tiff',
+			'image/jp2', 'image/jpeg2000', 'image/iff',
+			'image/xbm', 'image/x-xbitmap',
+			'image/vnd.wap.wbmp', 'image/vnd.xiff',
+			'image/x-photoshop',
+			'application/x-shockwave-flash',
+		);
+
+		return in_array( $mime, $types );
+	}
+
+	/**
+	 * Returns true if the extension represents a type which can
+	 * be reliably detected from its content. Use this to determine
+	 * whether strict content checks should be applied to reject
+	 * invalid uploads; if we can't identify the type we won't
+	 * be able to say if it's invalid.
+	 *
+	 * @todo Be more accurate when using fancy mime detector plugins;
+	 *       right now this is the bare minimum getimagesize() list.
+	 * @return bool
+	 */
+	function isRecognizableExtension( $extension ) {
+		static $types = array(
+			'gif', 'jpeg', 'jpg', 'png', 'swf', 'psd',
+			'bmp', 'tiff', 'tif', 'jpc', 'jp2',
+			'jpx', 'jb2', 'swc', 'iff', 'wbmp',
+			'xbm', 'djvu'
+		);
+		return in_array( strtolower( $extension ), $types );
+	}
+
+
+	/** mime type detection. This uses detectMimeType to detect the mim type of the file,
+	* but applies additional checks to determine some well known file formats that may be missed
+	* or misinterpreter by the default mime detection (namely xml based formats like XHTML or SVG).
+	*
+	* @param string $file The file to check
+	* @param bool $useExt switch for allowing to use the file extension to guess the mime type. true by default.
+	*
+	* @return string the mime type of $file
+	*/
+	function guessMimeType( $file, $useExt=true ) {
+		$fname = 'MimeMagic::guessMimeType';
+		$mime= $this->detectMimeType($file,$useExt);
+
+		// Read a chunk of the file
+		$f = fopen( $file, "rt" );
+		if( !$f ) return "unknown/unknown";
+		$head = fread( $f, 1024 );
+		fclose( $f );
+
+		$sub4 =  substr( $head, 0, 4 );
+		if ( $sub4 == "\x01\x00\x09\x00" || $sub4 == "\xd7\xcd\xc6\x9a" ) {
+			// WMF kill kill kill
+			// Note that WMF may have a bare header, no magic number.
+			// The former of the above two checks is theoretically prone to false positives
+			$mime = "application/x-msmetafile";
+		}
+
+		if (strpos($mime,"text/")===0 || $mime==="application/xml") {
+
+			$xml_type= NULL;
+			$script_type= NULL;
+
+			/*
+			* look for XML formats (XHTML and SVG)
+			*/
+			if ($mime==="text/sgml" ||
+			    $mime==="text/plain" ||
+			    $mime==="text/html" ||
+			    $mime==="text/xml" ||
+		            $mime==="application/xml") {
+
+				if (substr($head,0,5)=="<?xml") $xml_type= "ASCII";
+				elseif (substr($head,0,8)=="\xef\xbb\xbf<?xml") $xml_type= "UTF-8";
+				elseif (substr($head,0,10)=="\xfe\xff\x00<\x00?\x00x\x00m\x00l") $xml_type= "UTF-16BE";
+				elseif (substr($head,0,10)=="\xff\xfe<\x00?\x00x\x00m\x00l\x00") $xml_type= "UTF-16LE";
+
+				if ($xml_type) {
+					if ($xml_type!=="UTF-8" && $xml_type!=="ASCII") $head= iconv($xml_type,"ASCII//IGNORE",$head);
+
+					$match= array();
+					$doctype= "";
+					$tag= "";
+
+					if (preg_match('%<!DOCTYPE\s+[\w-]+\s+PUBLIC\s+["'."'".'"](.*?)["'."'".'"].*>%sim',$head,$match)) $doctype= $match[1];
+					if (preg_match('%<(\w+).*>%sim',$head,$match)) $tag= $match[1];
+
+					#print "<br>ANALYSING $file ($mime): doctype= $doctype; tag= $tag<br>";
+
+					if (strpos($doctype,"-//W3C//DTD SVG")===0) $mime= "image/svg";
+					elseif ($tag==="svg") $mime= "image/svg";
+					elseif (strpos($doctype,"-//W3C//DTD XHTML")===0) $mime= "text/html";
+					elseif ($tag==="html") $mime= "text/html";
+
+					$test_more= false;
+				}
+			}
+
+			/*
+			* look for shell scripts
+			*/
+			if (!$xml_type) {
+				$script_type= NULL;
+
+				#detect by shebang
+				if (substr($head,0,2)=="#!") $script_type= "ASCII";
+				elseif (substr($head,0,5)=="\xef\xbb\xbf#!") $script_type= "UTF-8";
+				elseif (substr($head,0,7)=="\xfe\xff\x00#\x00!") $script_type= "UTF-16BE";
+				elseif (substr($head,0,7)=="\xff\xfe#\x00!") $script_type= "UTF-16LE";
+
+				if ($script_type) {
+					if ($script_type!=="UTF-8" && $script_type!=="ASCII") $head= iconv($script_type,"ASCII//IGNORE",$head);
+
+					$match= array();
+					$prog= "";
+
+					if (preg_match('%/?([^\s]+/)(w+)%sim',$head,$match)) $script= $match[2];
+
+					$mime= "application/x-$prog";
+				}
+			}
+
+			/*
+			* look for PHP
+			*/
+			if( !$xml_type && !$script_type ) {
+
+				if( ( strpos( $head, '<?php' ) !== false ) ||
+				    ( strpos( $head, '<? ' ) !== false ) ||
+				    ( strpos( $head, "<?\n" ) !== false ) ||
+				    ( strpos( $head, "<?\t" ) !== false ) ||
+				    ( strpos( $head, "<?=" ) !== false ) ||
+
+				    ( strpos( $head, "<\x00?\x00p\x00h\x00p" ) !== false ) ||
+				    ( strpos( $head, "<\x00?\x00 " ) !== false ) ||
+				    ( strpos( $head, "<\x00?\x00\n" ) !== false ) ||
+				    ( strpos( $head, "<\x00?\x00\t" ) !== false ) ||
+				    ( strpos( $head, "<\x00?\x00=" ) !== false ) ) {
+
+					$mime= "application/x-php";
+				}
+			}
+
+		}
+
+		if (isset($this->mMimeTypeAliases[$mime])) $mime= $this->mMimeTypeAliases[$mime];
+
+		wfDebug("$fname: final mime type of $file: $mime\n");
+		return $mime;
+	}
+
+	/** Internal mime type detection, please use guessMimeType() for application code instead.
+	* Detection is done using an external program, if $wgMimeDetectorCommand is set.
+	* Otherwise, the fileinfo extension and mime_content_type are tried (in this order), if they are available.
+	* If the dections fails and $useExt is true, the mime type is guessed from the file extension, using guessTypesForExtension.
+	* If the mime type is still unknown, getimagesize is used to detect the mime type if the file is an image.
+	* If no mime type can be determined, this function returns "unknown/unknown".
+	*
+	* @param string $file The file to check
+	* @param bool $useExt switch for allowing to use the file extension to guess the mime type. true by default.
+	*
+	* @return string the mime type of $file
+	* @access private
+	*/
+	function detectMimeType( $file, $useExt=true ) {
+		$fname = 'MimeMagic::detectMimeType';
+
+		global $wgMimeDetectorCommand;
+
+		$m= NULL;
+		if ($wgMimeDetectorCommand) {
+			$fn= wfEscapeShellArg($file);
+			$m= `$wgMimeDetectorCommand $fn`;
+		}
+		else if (function_exists("finfo_open") && function_exists("finfo_file")) {
+
+			# This required the fileinfo extension by PECL,
+			# see http://pecl.php.net/package/fileinfo
+			# This must be compiled into PHP
+			#
+			# finfo is the official replacement for the deprecated
+			# mime_content_type function, see below.
+			#
+			# If you may need to load the fileinfo extension at runtime, set
+			# $wgLoadFileinfoExtension in LocalSettings.php
+
+			$mime_magic_resource = finfo_open(FILEINFO_MIME); /* return mime type ala mimetype extension */
+
+			if ($mime_magic_resource) {
+				$m= finfo_file($mime_magic_resource, $file);
+
+				finfo_close($mime_magic_resource);
+			}
+			else wfDebug("$fname: finfo_open failed on ".FILEINFO_MIME."!\n");
+		}
+		else if (function_exists("mime_content_type")) {
+
+			# NOTE: this function is available since PHP 4.3.0, but only if
+			# PHP was compiled with --with-mime-magic or, before 4.3.2, with --enable-mime-magic.
+			#
+			# On Winodws, you must set mime_magic.magicfile in php.ini to point to the mime.magic file bundeled with PHP;
+			# sometimes, this may even be needed under linus/unix.
+			#
+			# Also note that this has been DEPRECATED in favor of the fileinfo extension by PECL, see above.
+			# see http://www.php.net/manual/en/ref.mime-magic.php for details.
+
+			$m= mime_content_type($file);
+		}
+		else wfDebug("$fname: no magic mime detector found!\n");
+
+		if ($m) {
+			#normalize
+			$m= preg_replace('![;, ].*$!','',$m); #strip charset, etc
+			$m= trim($m);
+			$m= strtolower($m);
+
+			if (strpos($m,'unknown')!==false) $m= NULL;
+			else {
+				wfDebug("$fname: magic mime type of $file: $m\n");
+				return $m;
+			}
+		}
+
+		#if still not known, use getimagesize to find out the type of image
+		#TODO: skip things that do not have a well-known image extension? Would that be safe?
+		wfSuppressWarnings();
+		$gis = getimagesize( $file );
+		wfRestoreWarnings();
+
+		$notAnImage= false;
+
+		if ($gis && is_array($gis) && $gis[2]) {
+			switch ($gis[2]) {
+				case IMAGETYPE_GIF: $m= "image/gif"; break;
+				case IMAGETYPE_JPEG: $m= "image/jpeg"; break;
+				case IMAGETYPE_PNG: $m= "image/png"; break;
+				case IMAGETYPE_SWF: $m= "application/x-shockwave-flash"; break;
+				case IMAGETYPE_PSD: $m= "application/photoshop"; break;
+				case IMAGETYPE_BMP: $m= "image/bmp"; break;
+				case IMAGETYPE_TIFF_II: $m= "image/tiff"; break;
+				case IMAGETYPE_TIFF_MM: $m= "image/tiff"; break;
+				case IMAGETYPE_JPC: $m= "image"; break;
+				case IMAGETYPE_JP2: $m= "image/jpeg2000"; break;
+				case IMAGETYPE_JPX: $m= "image/jpeg2000"; break;
+				case IMAGETYPE_JB2: $m= "image"; break;
+				case IMAGETYPE_SWC: $m= "application/x-shockwave-flash"; break;
+				case IMAGETYPE_IFF: $m= "image/vnd.xiff"; break;
+				case IMAGETYPE_WBMP: $m= "image/vnd.wap.wbmp"; break;
+				case IMAGETYPE_XBM: $m= "image/x-xbitmap"; break;
+			}
+
+			if ($m) {
+				wfDebug("$fname: image mime type of $file: $m\n");
+				return $m;
+			}
+			else $notAnImage= true;
+		} else {
+			// Also test DjVu
+			$deja = new DjVuImage( $file );
+			if( $deja->isValid() ) {
+				wfDebug("$fname: detected $file as image/vnd.djvu\n");
+				return 'image/vnd.djvu';
+			}
+		}
+
+		#if desired, look at extension as a fallback.
+		if ($useExt) {
+			$i = strrpos( $file, '.' );
+			$e= strtolower( $i ? substr( $file, $i + 1 ) : '' );
+
+			$m= $this->guessTypesForExtension($e);
+
+			#TODO: if $notAnImage is set, do not trust the file extension if
+			# the results is one of the image types that should have been recognized
+			# by getimagesize
+
+			if ($m) {
+				wfDebug("$fname: extension mime type of $file: $m\n");
+				return $m;
+			}
+		}
+
+		#unknown type
+		wfDebug("$fname: failed to guess mime type for $file!\n");
+		return "unknown/unknown";
+	}
+
+	/**
+	* Determine the media type code for a file, using its mime type, name and possibly
+	* its contents.
+	*
+	* This function relies on the findMediaType(), mapping extensions and mime
+	* types to media types.
+	*
+	* @todo analyse file if need be
+	* @todo look at multiple extension, separately and together.
+	*
+	* @param string $path full path to the image file, in case we have to look at the contents
+	*        (if null, only the mime type is used to determine the media type code).
+	* @param string $mime mime type. If null it will be guessed using guessMimeType.
+	*
+	* @return (int?string?) a value to be used with the MEDIATYPE_xxx constants.
+	*/
+	function getMediaType($path=NULL,$mime=NULL) {
+		if( !$mime && !$path ) return MEDIATYPE_UNKNOWN;
+
+		#if mime type is unknown, guess it
+		if( !$mime ) $mime= $this->guessMimeType($path,false);
+
+		#special code for ogg - detect if it's video (theora),
+		#else label it as sound.
+		if( $mime=="application/ogg" && file_exists($path) ) {
+
+			// Read a chunk of the file
+			$f = fopen( $path, "rt" );
+			if( !$f ) return MEDIATYPE_UNKNOWN;
+			$head = fread( $f, 256 );
+			fclose( $f );
+
+			$head= strtolower( $head );
+
+			#This is an UGLY HACK, file should be parsed correctly
+			if( strpos($head,'theora')!==false ) return MEDIATYPE_VIDEO;
+			elseif( strpos($head,'vorbis')!==false ) return MEDIATYPE_AUDIO;
+			elseif( strpos($head,'flac')!==false ) return MEDIATYPE_AUDIO;
+			elseif( strpos($head,'speex')!==false ) return MEDIATYPE_AUDIO;
+			else return MEDIATYPE_MULTIMEDIA;
+		}
+
+		#check for entry for full mime type
+		if( $mime ) {
+			$type= $this->findMediaType($mime);
+			if( $type!==MEDIATYPE_UNKNOWN ) return $type;
+		}
+
+		#check for entry for file extension
+		$e= NULL;
+		if( $path ) {
+			$i = strrpos( $path, '.' );
+			$e= strtolower( $i ? substr( $path, $i + 1 ) : '' );
+
+			#TODO: look at multi-extension if this fails, parse from full path
+
+			$type= $this->findMediaType('.'.$e);
+			if( $type!==MEDIATYPE_UNKNOWN ) return $type;
+		}
+
+		#check major mime type
+		if( $mime ) {
+			$i= strpos($mime,'/');
+			if( $i !== false ) {
+				$major= substr($mime,0,$i);
+				$type= $this->findMediaType($major);
+				if( $type!==MEDIATYPE_UNKNOWN ) return $type;
+			}
+		}
+
+		if( !$type ) $type= MEDIATYPE_UNKNOWN;
+
+		return $type;
+	}
+
+	/** returns a media code matching the given mime type or file extension.
+	* File extensions are represented by a string starting with a dot (.) to
+	* distinguish them from mime types.
+	*
+	* This funktion relies on the mapping defined by $this->mMediaTypes
+	* @access private
+	*/
+	function findMediaType($extMime) {
+
+		if (strpos($extMime,'.')===0) { #if it's an extension, look up the mime types
+			$m= $this->getTypesForExtension(substr($extMime,1));
+			if (!$m) return MEDIATYPE_UNKNOWN;
+
+			$m= explode(' ',$m);
+		}
+		else { #normalize mime type
+			if (isset($this->mMimeTypeAliases[$extMime])) {
+				$extMime= $this->mMimeTypeAliases[$extMime];
+			}
+
+			$m= array($extMime);
+		}
+
+		foreach ($m as $mime) {
+			foreach ($this->mMediaTypes as $type => $codes) {
+				if (in_array($mime,$codes,true)) return $type;
+			}
+		}
+
+		return MEDIATYPE_UNKNOWN;
+	}
+}
+
+?>
diff --git a/includes/Namespace.php b/includes/Namespace.php
new file mode 100644
index 00000000..ab7511d0
--- /dev/null
+++ b/includes/Namespace.php
@@ -0,0 +1,129 @@
+<?php
+/**
+ * Provide things related to namespaces
+ * @package MediaWiki
+ */
+
+/**
+ * Definitions of the NS_ constants are in Defines.php
+ * @private
+ */
+$wgCanonicalNamespaceNames = array(
+	NS_MEDIA            => 'Media',
+	NS_SPECIAL          => 'Special',
+	NS_TALK	            => 'Talk',
+	NS_USER             => 'User',
+	NS_USER_TALK        => 'User_talk',
+	NS_PROJECT          => 'Project',
+	NS_PROJECT_TALK     => 'Project_talk',
+	NS_IMAGE            => 'Image',
+	NS_IMAGE_TALK       => 'Image_talk',
+	NS_MEDIAWIKI        => 'MediaWiki',
+	NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
+	NS_TEMPLATE         => 'Template',
+	NS_TEMPLATE_TALK    => 'Template_talk',
+	NS_HELP             => 'Help',
+	NS_HELP_TALK        => 'Help_talk',
+	NS_CATEGORY	        => 'Category',
+	NS_CATEGORY_TALK    => 'Category_talk',
+);
+
+if( is_array( $wgExtraNamespaces ) ) {
+	$wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
+}
+
+/**
+ * This is a utility class with only static functions
+ * for dealing with namespaces that encodes all the
+ * "magic" behaviors of them based on index.  The textual
+ * names of the namespaces are handled by Language.php.
+ *
+ * These are synonyms for the names given in the language file
+ * Users and translators should not change them
+ *
+ * @package MediaWiki
+ */
+class Namespace {
+
+	/**
+	 * Check if the given namespace might be moved
+	 * @return bool
+	 */
+	function isMovable( $index ) {
+		return !( $index < NS_MAIN || $index == NS_IMAGE  || $index == NS_CATEGORY );
+	}
+
+	/**
+	 * Check if the given namespace is not a talk page
+	 * @return bool
+	 */
+	function isMain( $index ) {
+		return ! Namespace::isTalk( $index );
+	}
+
+	/**
+	 * Check if the give namespace is a talk page
+	 * @return bool
+	 */
+	function isTalk( $index ) {
+		return ($index > NS_MAIN)  // Special namespaces are negative
+			&& ($index % 2); // Talk namespaces are odd-numbered
+	}
+
+	/**
+	 * Get the talk namespace corresponding to the given index
+	 */
+	function getTalk( $index ) {
+		if ( Namespace::isTalk( $index ) ) {
+			return $index;
+		} else {
+			# FIXME
+			return $index + 1;
+		}
+	}
+
+	function getSubject( $index ) {
+		if ( Namespace::isTalk( $index ) ) {
+			return $index - 1;
+		} else {
+			return $index;
+		}
+	}
+
+	/**
+	 * Returns the canonical (English Wikipedia) name for a given index
+	 */
+	function getCanonicalName( $index ) {
+		global $wgCanonicalNamespaceNames;
+		return $wgCanonicalNamespaceNames[$index];
+	}
+
+	/**
+	 * Returns the index for a given canonical name, or NULL
+	 * The input *must* be converted to lower case first
+	 */
+	function getCanonicalIndex( $name ) {
+		global $wgCanonicalNamespaceNames;
+		static $xNamespaces = false;
+		if ( $xNamespaces === false ) {
+			$xNamespaces = array();
+			foreach ( $wgCanonicalNamespaceNames as $i => $text ) {
+				$xNamespaces[strtolower($text)] = $i;
+			}
+		}
+		if ( array_key_exists( $name, $xNamespaces ) ) {
+			return $xNamespaces[$name];
+		} else {
+			return NULL;
+		}
+	}
+	
+	/**
+	 * Can this namespace ever have a talk namespace?
+	 * @param $index Namespace index
+	 */
+	 function canTalk( $index ) {
+	 	return( $index >= NS_MAIN );
+	 }
+}
+?>
diff --git a/includes/ObjectCache.php b/includes/ObjectCache.php
new file mode 100644
index 00000000..fe7417d2
--- /dev/null
+++ b/includes/ObjectCache.php
@@ -0,0 +1,125 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+
+/**
+ * FakeMemCachedClient imitates the API of memcached-client v. 0.1.2.
+ * It acts as a memcached server with no RAM, that is, all objects are
+ * cleared the moment they are set. All set operations succeed and all
+ * get operations return null.
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+class FakeMemCachedClient {
+	function add ($key, $val, $exp = 0) { return true; }
+	function decr ($key, $amt=1) { return null; }
+	function delete ($key, $time = 0) { return false; }
+	function disconnect_all () { }
+	function enable_compress ($enable) { }
+	function forget_dead_hosts () { }
+	function get ($key) { return null; }
+	function get_multi ($keys) { return array_pad(array(), count($keys), null); }
+	function incr ($key, $amt=1) { return null; }
+	function replace ($key, $value, $exp=0) { return false; }
+	function run_command ($sock, $cmd) { return null; }
+	function set ($key, $value, $exp=0){ return true; }
+	function set_compress_threshold ($thresh){ }
+	function set_debug ($dbg) { }
+	function set_servers ($list) { }
+}
+
+global $wgCaches;
+$wgCaches = array();
+
+/** @todo document */
+function &wfGetCache( $inputType ) {
+	global $wgCaches, $wgMemCachedServers, $wgMemCachedDebug, $wgMemCachedPersistent;
+	$cache = false;
+
+	if ( $inputType == CACHE_ANYTHING ) {
+		reset( $wgCaches );
+		$type = key( $wgCaches );
+		if ( $type === false || $type === CACHE_NONE ) {
+			$type = CACHE_DB;
+		}
+	} else {
+		$type = $inputType;
+	}
+
+	if ( $type == CACHE_MEMCACHED ) {
+		if ( !array_key_exists( CACHE_MEMCACHED, $wgCaches ) ){
+			require_once( 'memcached-client.php' );
+
+			if (!class_exists("MemcachedClientforWiki")) {
+				class MemCachedClientforWiki extends memcached {
+					function _debugprint( $text ) {
+						wfDebug( "memcached: $text\n" );
+					}
+				}
+			}
+
+			$wgCaches[CACHE_DB] = new MemCachedClientforWiki(
+				array('persistant' => $wgMemCachedPersistent, 'compress_threshold' => 1500 ) );
+			$cache =& $wgCaches[CACHE_DB];
+			$cache->set_servers( $wgMemCachedServers );
+			$cache->set_debug( $wgMemCachedDebug );
+		}
+	} elseif ( $type == CACHE_ACCEL ) {
+		if ( !array_key_exists( CACHE_ACCEL, $wgCaches ) ) {
+			if ( function_exists( 'eaccelerator_get' ) ) {
+				require_once( 'BagOStuff.php' );
+				$wgCaches[CACHE_ACCEL] = new eAccelBagOStuff;
+			} elseif ( function_exists( 'apc_fetch') ) {
+				require_once( 'BagOStuff.php' );
+				$wgCaches[CACHE_ACCEL] = new APCBagOStuff;
+			} elseif ( function_exists( 'mmcache_get' ) ) {
+				require_once( 'BagOStuff.php' );
+				$wgCaches[CACHE_ACCEL] = new TurckBagOStuff;
+			} else {
+				$wgCaches[CACHE_ACCEL] = false;
+			}
+		}
+		if ( $wgCaches[CACHE_ACCEL] !== false ) {
+			$cache =& $wgCaches[CACHE_ACCEL];
+		}
+	}
+
+	if ( $type == CACHE_DB || ( $inputType == CACHE_ANYTHING && $cache === false ) ) {
+		if ( !array_key_exists( CACHE_DB, $wgCaches ) ) {
+			require_once( 'BagOStuff.php' );
+			$wgCaches[CACHE_DB] = new MediaWikiBagOStuff('objectcache');
+		}
+		$cache =& $wgCaches[CACHE_DB];
+	}
+
+	if ( $cache === false ) {
+		if ( !array_key_exists( CACHE_NONE, $wgCaches ) ) {
+			$wgCaches[CACHE_NONE] = new FakeMemCachedClient;
+		}
+		$cache =& $wgCaches[CACHE_NONE];
+	}
+
+	return $cache;
+}
+
+function &wfGetMainCache() {
+	global $wgMainCacheType;
+	$ret =& wfGetCache( $wgMainCacheType );
+	return $ret;
+}
+
+function &wfGetMessageCacheStorage() {
+	global $wgMessageCacheType;
+	$ret =& wfGetCache( $wgMessageCacheType );
+	return $ret;
+}
+
+function &wfGetParserCacheStorage() {
+	global $wgParserCacheType;
+	$ret =& wfGetCache( $wgParserCacheType );
+	return $ret;
+}
+
+?>
diff --git a/includes/OutputPage.php b/includes/OutputPage.php
new file mode 100644
index 00000000..31a0781a
--- /dev/null
+++ b/includes/OutputPage.php
@@ -0,0 +1,1078 @@
+<?php
+if ( ! defined( 'MEDIAWIKI' ) )
+	die( 1 );
+/**
+ * @package MediaWiki
+ */
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class OutputPage {
+	var $mMetatags, $mKeywords;
+	var $mLinktags, $mPagetitle, $mBodytext, $mDebugtext;
+	var $mHTMLtitle, $mRobotpolicy, $mIsarticle, $mPrintable;
+	var $mSubtitle, $mRedirect, $mStatusCode;
+	var $mLastModified, $mETag, $mCategoryLinks;
+	var $mScripts, $mLinkColours, $mPageLinkTitle;
+
+	var $mSuppressQuickbar;
+	var $mOnloadHandler;
+	var $mDoNothing;
+	var $mContainsOldMagic, $mContainsNewMagic;
+	var $mIsArticleRelated;
+	var $mParserOptions;
+	var $mShowFeedLinks = false;
+	var $mEnableClientCache = true;
+	var $mArticleBodyOnly = false;
+	
+	var $mNewSectionLink = false;
+	var $mNoGallery = false;
+
+	/**
+	 * Constructor
+	 * Initialise private variables
+	 */
+	function OutputPage() {
+		$this->mMetatags = $this->mKeywords = $this->mLinktags = array();
+		$this->mHTMLtitle = $this->mPagetitle = $this->mBodytext =
+		$this->mRedirect = $this->mLastModified =
+		$this->mSubtitle = $this->mDebugtext = $this->mRobotpolicy =
+		$this->mOnloadHandler = $this->mPageLinkTitle = '';
+		$this->mIsArticleRelated = $this->mIsarticle = $this->mPrintable = true;
+		$this->mSuppressQuickbar = $this->mPrintable = false;
+		$this->mLanguageLinks = array();
+		$this->mCategoryLinks = array();
+		$this->mDoNothing = false;
+		$this->mContainsOldMagic = $this->mContainsNewMagic = 0;
+		$this->mParserOptions = ParserOptions::newFromUser( $temp = NULL );
+		$this->mSquidMaxage = 0;
+		$this->mScripts = '';
+		$this->mETag = false;
+		$this->mRevisionId = null;
+		$this->mNewSectionLink = false;
+	}
+	
+	function redirect( $url, $responsecode = '302' ) { 
+		# Strip newlines as a paranoia check for header injection in PHP<5.1.2
+		$this->mRedirect = str_replace( "\n", '', $url );
+		$this->mRedirectCode = $responsecode;
+	}
+
+	function setStatusCode( $statusCode ) { $this->mStatusCode = $statusCode; }
+
+	# To add an http-equiv meta tag, precede the name with "http:"
+	function addMeta( $name, $val ) { array_push( $this->mMetatags, array( $name, $val ) ); }
+	function addKeyword( $text ) { array_push( $this->mKeywords, $text ); }
+	function addScript( $script ) { $this->mScripts .= $script; }
+	function getScript() { return $this->mScripts; }
+
+	function setETag($tag) { $this->mETag = $tag; }
+	function setArticleBodyOnly($only) { $this->mArticleBodyOnly = $only; }
+	function getArticleBodyOnly($only) { return $this->mArticleBodyOnly; }
+
+	function addLink( $linkarr ) {
+		# $linkarr should be an associative array of attributes. We'll escape on output.
+		array_push( $this->mLinktags, $linkarr );
+	}
+
+	function addMetadataLink( $linkarr ) {
+		# note: buggy CC software only reads first "meta" link
+		static $haveMeta = false;
+		$linkarr['rel'] = ($haveMeta) ? 'alternate meta' : 'meta';
+		$this->addLink( $linkarr );
+		$haveMeta = true;
+	}
+
+	/**
+	 * checkLastModified tells the client to use the client-cached page if
+	 * possible. If sucessful, the OutputPage is disabled so that
+	 * any future call to OutputPage->output() have no effect. The method
+	 * returns true iff cache-ok headers was sent.
+	 */
+	function checkLastModified ( $timestamp ) {
+		global $wgCachePages, $wgCacheEpoch, $wgUser;
+		$fname = 'OutputPage::checkLastModified';
+
+		if ( !$timestamp || $timestamp == '19700101000000' ) {
+			wfDebug( "$fname: CACHE DISABLED, NO TIMESTAMP\n" );
+			return;
+		}
+		if( !$wgCachePages ) {
+			wfDebug( "$fname: CACHE DISABLED\n", false );
+			return;
+		}
+		if( $wgUser->getOption( 'nocache' ) ) {
+			wfDebug( "$fname: USER DISABLED CACHE\n", false );
+			return;
+		}
+
+		$timestamp=wfTimestamp(TS_MW,$timestamp);
+		$lastmod = wfTimestamp( TS_RFC2822, max( $timestamp, $wgUser->mTouched, $wgCacheEpoch ) );
+
+		if( !empty( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) {
+			# IE sends sizes after the date like this:
+			# Wed, 20 Aug 2003 06:51:19 GMT; length=5202
+			# this breaks strtotime().
+			$modsince = preg_replace( '/;.*$/', '', $_SERVER["HTTP_IF_MODIFIED_SINCE"] );
+			$modsinceTime = strtotime( $modsince );
+			$ismodsince = wfTimestamp( TS_MW, $modsinceTime ? $modsinceTime : 1 );
+			wfDebug( "$fname: -- client send If-Modified-Since: " . $modsince . "\n", false );
+			wfDebug( "$fname: --  we might send Last-Modified : $lastmod\n", false );
+			if( ($ismodsince >= $timestamp ) && $wgUser->validateCache( $ismodsince ) && $ismodsince >= $wgCacheEpoch ) {
+				# Make sure you're in a place you can leave when you call us!
+				header( "HTTP/1.0 304 Not Modified" );
+				$this->mLastModified = $lastmod;
+				$this->sendCacheControl();
+				wfDebug( "$fname: CACHED client: $ismodsince ; user: $wgUser->mTouched ; page: $timestamp ; site $wgCacheEpoch\n", false );
+				$this->disable();
+				@ob_end_clean(); // Don't output compressed blob
+				return true;
+			} else {
+				wfDebug( "$fname: READY  client: $ismodsince ; user: $wgUser->mTouched ; page: $timestamp ; site $wgCacheEpoch\n", false );
+				$this->mLastModified = $lastmod;
+			}
+		} else {
+			wfDebug( "$fname: client did not send If-Modified-Since header\n", false );
+			$this->mLastModified = $lastmod;
+		}
+	}
+
+	function getPageTitleActionText () {
+		global $action;
+		switch($action) {
+			case 'edit':
+			case 'delete':
+			case 'protect':
+			case 'unprotect':
+			case 'watch':
+			case 'unwatch':
+				// Display title is already customized
+				return '';
+			case 'history':
+				return wfMsg('history_short');
+			case 'submit':
+				// FIXME: bug 2735; not correct for special pages etc
+				return wfMsg('preview');
+			case 'info':
+				return wfMsg('info_short');
+			default:
+				return '';
+		}
+	}
+
+	function setRobotpolicy( $str ) { $this->mRobotpolicy = $str; }
+	function setHTMLTitle( $name ) {$this->mHTMLtitle = $name; }
+	function setPageTitle( $name ) {
+		global $action, $wgContLang;
+		$name = $wgContLang->convert($name, true);
+		$this->mPagetitle = $name;
+		if(!empty($action)) {
+			$taction =  $this->getPageTitleActionText();
+			if( !empty( $taction ) ) {
+				$name .= ' - '.$taction;
+			}
+		}
+
+		$this->setHTMLTitle( wfMsg( 'pagetitle', $name ) );
+	}
+	function getHTMLTitle() { return $this->mHTMLtitle; }
+	function getPageTitle() { return $this->mPagetitle; }
+	function setSubtitle( $str ) { $this->mSubtitle = /*$this->parse(*/$str/*)*/; } // @bug 2514
+	function getSubtitle() { return $this->mSubtitle; }
+	function isArticle() { return $this->mIsarticle; }
+	function setPrintable() { $this->mPrintable = true; }
+	function isPrintable() { return $this->mPrintable; }
+	function setSyndicated( $show = true ) { $this->mShowFeedLinks = $show; }
+	function isSyndicated() { return $this->mShowFeedLinks; }
+	function setOnloadHandler( $js ) { $this->mOnloadHandler = $js; }
+	function getOnloadHandler() { return $this->mOnloadHandler; }
+	function disable() { $this->mDoNothing = true; }
+
+	function setArticleRelated( $v ) {
+		$this->mIsArticleRelated = $v;
+		if ( !$v ) {
+			$this->mIsarticle = false;
+		}
+	}
+	function setArticleFlag( $v ) {
+		$this->mIsarticle = $v;
+		if ( $v ) {
+			$this->mIsArticleRelated = $v;
+		}
+	}
+
+	function isArticleRelated() { return $this->mIsArticleRelated; }
+
+	function getLanguageLinks() { return $this->mLanguageLinks; }
+	function addLanguageLinks($newLinkArray) {
+		$this->mLanguageLinks += $newLinkArray;
+	}
+	function setLanguageLinks($newLinkArray) {
+		$this->mLanguageLinks = $newLinkArray;
+	}
+
+	function getCategoryLinks() {
+		return $this->mCategoryLinks;
+	}
+
+	/**
+	 * Add an array of categories, with names in the keys
+	 */
+	function addCategoryLinks($categories) {
+		global $wgUser, $wgContLang;
+
+		if ( !is_array( $categories ) ) {
+			return;
+		}
+		# Add the links to the link cache in a batch
+		$arr = array( NS_CATEGORY => $categories );
+		$lb = new LinkBatch;
+		$lb->setArray( $arr );
+		$lb->execute();
+
+		$sk =& $wgUser->getSkin();
+		foreach ( $categories as $category => $arbitrary ) {
+			$title = Title::makeTitleSafe( NS_CATEGORY, $category );
+			$text = $wgContLang->convertHtml( $title->getText() );
+			$this->mCategoryLinks[] = $sk->makeLinkObj( $title, $text );
+		}
+	}
+
+	function setCategoryLinks($categories) {
+		$this->mCategoryLinks = array();
+		$this->addCategoryLinks($categories);
+	}
+
+	function suppressQuickbar() { $this->mSuppressQuickbar = true; }
+	function isQuickbarSuppressed() { return $this->mSuppressQuickbar; }
+
+	function addHTML( $text ) { $this->mBodytext .= $text; }
+	function clearHTML() { $this->mBodytext = ''; }
+	function getHTML() { return $this->mBodytext; }
+	function debug( $text ) { $this->mDebugtext .= $text; }
+
+	/* @deprecated */
+	function setParserOptions( $options ) {
+		return $this->ParserOptions( $options );
+	}
+
+	function ParserOptions( $options = null ) {
+		return wfSetVar( $this->mParserOptions, $options );
+	}
+
+	/**
+	 * Set the revision ID which will be seen by the wiki text parser
+	 * for things such as embedded {{REVISIONID}} variable use.
+	 * @param mixed $revid an integer, or NULL
+	 * @return mixed previous value
+	 */
+	function setRevisionId( $revid ) {
+		$val = is_null( $revid ) ? null : intval( $revid );
+		return wfSetVar( $this->mRevisionId, $val );
+	}
+
+	/**
+	 * Convert wikitext to HTML and add it to the buffer
+	 * Default assumes that the current page title will
+	 * be used.
+	 */
+	function addWikiText( $text, $linestart = true ) {
+		global $wgTitle;
+		$this->addWikiTextTitle($text, $wgTitle, $linestart);
+	}
+
+	function addWikiTextWithTitle($text, &$title, $linestart = true) {
+		$this->addWikiTextTitle($text, $title, $linestart);
+	}
+
+	function addWikiTextTitle($text, &$title, $linestart) {
+		global $wgParser;
+		$parserOutput = $wgParser->parse( $text, $title, $this->mParserOptions,
+			$linestart, true, $this->mRevisionId );
+		$this->addParserOutput( $parserOutput );
+	}
+
+	function addParserOutputNoText( &$parserOutput ) {
+		$this->mLanguageLinks += $parserOutput->getLanguageLinks();
+		$this->addCategoryLinks( $parserOutput->getCategories() );
+		$this->mNewSectionLink = $parserOutput->getNewSection();
+		$this->addKeywords( $parserOutput );
+		if ( $parserOutput->getCacheTime() == -1 ) {
+			$this->enableClientCache( false );
+		}
+		if ( $parserOutput->mHTMLtitle != "" ) {
+			$this->mPagetitle = $parserOutput->mHTMLtitle ;
+			$this->mSubtitle .= $parserOutput->mSubtitle ;
+		}
+	}
+
+	function addParserOutput( &$parserOutput ) {
+		$this->addParserOutputNoText( $parserOutput );
+		$this->addHTML( $parserOutput->getText() );
+	}
+
+	/**
+	 * Add wikitext to the buffer, assuming that this is the primary text for a page view
+	 * Saves the text into the parser cache if possible
+	 */
+	function addPrimaryWikiText( $text, $article, $cache = true ) {
+		global $wgParser, $wgUser;
+
+		$this->mParserOptions->setTidy(true);
+		$parserOutput = $wgParser->parse( $text, $article->mTitle,
+			$this->mParserOptions, true, true, $this->mRevisionId );
+		$this->mParserOptions->setTidy(false);
+		if ( $cache && $article && $parserOutput->getCacheTime() != -1 ) {
+			$parserCache =& ParserCache::singleton();
+			$parserCache->save( $parserOutput, $article, $wgUser );
+		}
+
+		$this->addParserOutputNoText( $parserOutput );
+		$text =	$parserOutput->getText();
+		$this->mNoGallery = $parserOutput->getNoGallery();
+		wfRunHooks( 'OutputPageBeforeHTML',array( &$this, &$text ) );
+		$parserOutput->setText( $text );
+		$this->addHTML( $parserOutput->getText() );
+	}
+
+	/**
+	 * For anything that isn't primary text or interface message
+	 */
+	function addSecondaryWikiText( $text, $linestart = true ) {
+		global $wgTitle;
+		$this->mParserOptions->setTidy(true);
+		$this->addWikiTextTitle($text, $wgTitle, $linestart);
+		$this->mParserOptions->setTidy(false);
+	}
+
+
+	/**
+	 * Add the output of a QuickTemplate to the output buffer
+	 * @param QuickTemplate $template
+	 */
+	function addTemplate( &$template ) {
+		ob_start();
+		$template->execute();
+		$this->addHTML( ob_get_contents() );
+		ob_end_clean();
+	}
+
+	/**
+	 * Parse wikitext and return the HTML.
+	 */
+	function parse( $text, $linestart = true, $interface = false ) {
+		global $wgParser, $wgTitle;
+		if ( $interface) { $this->mParserOptions->setInterfaceMessage(true); }
+		$parserOutput = $wgParser->parse( $text, $wgTitle, $this->mParserOptions,
+			$linestart, true, $this->mRevisionId );
+		if ( $interface) { $this->mParserOptions->setInterfaceMessage(false); }
+		return $parserOutput->getText();
+	}
+
+	/**
+	 * @param $article
+	 * @param $user
+	 *
+	 * @return bool
+	 */
+	function tryParserCache( &$article, $user ) {
+		$parserCache =& ParserCache::singleton();
+		$parserOutput = $parserCache->get( $article, $user );
+		if ( $parserOutput !== false ) {
+			$this->mLanguageLinks += $parserOutput->getLanguageLinks();
+			$this->addCategoryLinks( $parserOutput->getCategories() );
+			$this->addKeywords( $parserOutput );
+			$this->mNewSectionLink = $parserOutput->getNewSection();
+			$this->mNoGallery = $parserOutput->getNoGallery();
+			$text = $parserOutput->getText();
+			wfRunHooks( 'OutputPageBeforeHTML', array( &$this, &$text ) );
+			$this->addHTML( $text );
+			$t = $parserOutput->getTitleText();
+			if( !empty( $t ) ) {
+				$this->setPageTitle( $t );
+ 			}
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Set the maximum cache time on the Squid in seconds
+	 * @param $maxage
+	 */
+	function setSquidMaxage( $maxage ) {
+		$this->mSquidMaxage = $maxage;
+	}
+
+	/**
+	 * Use enableClientCache(false) to force it to send nocache headers
+	 * @param $state
+	 */
+	function enableClientCache( $state ) {
+		return wfSetVar( $this->mEnableClientCache, $state );
+	}
+
+	function uncacheableBecauseRequestvars() {
+		global $wgRequest;
+		return	$wgRequest->getText('useskin', false) === false
+			&& $wgRequest->getText('uselang', false) === false;
+	}
+
+	function sendCacheControl() {
+		global $wgUseSquid, $wgUseESI, $wgSquidMaxage;
+		$fname = 'OutputPage::sendCacheControl';
+
+		if ($this->mETag)
+			header("ETag: $this->mETag");
+
+		# don't serve compressed data to clients who can't handle it
+		# maintain different caches for logged-in users and non-logged in ones
+		header( 'Vary: Accept-Encoding, Cookie' );
+		if( !$this->uncacheableBecauseRequestvars() && $this->mEnableClientCache ) {
+			if( $wgUseSquid && ! isset( $_COOKIE[ini_get( 'session.name') ] ) &&
+			  ! $this->isPrintable() && $this->mSquidMaxage != 0 )
+			{
+				if ( $wgUseESI ) {
+					# We'll purge the proxy cache explicitly, but require end user agents
+					# to revalidate against the proxy on each visit.
+					# Surrogate-Control controls our Squid, Cache-Control downstream caches
+					wfDebug( "$fname: proxy caching with ESI; {$this->mLastModified} **\n", false );
+					# start with a shorter timeout for initial testing
+					# header( 'Surrogate-Control: max-age=2678400+2678400, content="ESI/1.0"');
+					header( 'Surrogate-Control: max-age='.$wgSquidMaxage.'+'.$this->mSquidMaxage.', content="ESI/1.0"');
+					header( 'Cache-Control: s-maxage=0, must-revalidate, max-age=0' );
+				} else {
+					# We'll purge the proxy cache for anons explicitly, but require end user agents
+					# to revalidate against the proxy on each visit.
+					# IMPORTANT! The Squid needs to replace the Cache-Control header with
+					# Cache-Control: s-maxage=0, must-revalidate, max-age=0
+					wfDebug( "$fname: local proxy caching; {$this->mLastModified} **\n", false );
+					# start with a shorter timeout for initial testing
+					# header( "Cache-Control: s-maxage=2678400, must-revalidate, max-age=0" );
+					header( 'Cache-Control: s-maxage='.$this->mSquidMaxage.', must-revalidate, max-age=0' );
+				}
+			} else {
+				# We do want clients to cache if they can, but they *must* check for updates
+				# on revisiting the page.
+				wfDebug( "$fname: private caching; {$this->mLastModified} **\n", false );
+				header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
+				header( "Cache-Control: private, must-revalidate, max-age=0" );
+			}
+			if($this->mLastModified) header( "Last-modified: {$this->mLastModified}" );
+		} else {
+			wfDebug( "$fname: no caching **\n", false );
+
+			# In general, the absence of a last modified header should be enough to prevent
+			# the client from using its cache. We send a few other things just to make sure.
+			header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
+			header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' );
+			header( 'Pragma: no-cache' );
+		}
+	}
+
+	/**
+	 * Finally, all the text has been munged and accumulated into
+	 * the object, let's actually output it:
+	 */
+	function output() {
+		global $wgUser, $wgOutputEncoding;
+		global $wgContLanguageCode, $wgDebugRedirects, $wgMimeType;
+		global $wgJsMimeType, $wgStylePath, $wgUseAjax, $wgScriptPath, $wgServer;
+
+		if( $this->mDoNothing ){
+			return;
+		}
+		$fname = 'OutputPage::output';
+		wfProfileIn( $fname );
+		$sk = $wgUser->getSkin();
+
+		if ( $wgUseAjax ) {
+			$this->addScript( "<script type=\"{$wgJsMimeType}\">
+				var wgScriptPath=\"{$wgScriptPath}\";
+				var wgServer=\"{$wgServer}\";
+			</script>" );
+			$this->addScript( "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/ajax.js\"></script>\n" );
+		}
+
+		if ( '' != $this->mRedirect ) {
+			if( substr( $this->mRedirect, 0, 4 ) != 'http' ) {
+				# Standards require redirect URLs to be absolute
+				global $wgServer;
+				$this->mRedirect = $wgServer . $this->mRedirect;
+			}
+			if( $this->mRedirectCode == '301') {
+				if( !$wgDebugRedirects ) {
+					header("HTTP/1.1 {$this->mRedirectCode} Moved Permanently");
+				}
+				$this->mLastModified = wfTimestamp( TS_RFC2822 );
+			}
+
+			$this->sendCacheControl();
+
+			if( $wgDebugRedirects ) {
+				$url = htmlspecialchars( $this->mRedirect );
+				print "<html>\n<head>\n<title>Redirect</title>\n</head>\n<body>\n";
+				print "<p>Location: <a href=\"$url\">$url</a></p>\n";
+				print "</body>\n</html>\n";
+			} else {
+				header( 'Location: '.$this->mRedirect );
+			}
+			wfProfileOut( $fname );
+			return;
+		}
+		elseif ( $this->mStatusCode )
+		{
+			$statusMessage = array(
+				100 => 'Continue',
+				101 => 'Switching Protocols',
+				102 => 'Processing',
+				200 => 'OK',
+				201 => 'Created',
+				202 => 'Accepted',
+				203 => 'Non-Authoritative Information',
+				204 => 'No Content',
+				205 => 'Reset Content',
+				206 => 'Partial Content',
+				207 => 'Multi-Status',
+				300 => 'Multiple Choices',
+				301 => 'Moved Permanently',
+				302 => 'Found',
+				303 => 'See Other',
+				304 => 'Not Modified',
+				305 => 'Use Proxy',
+				307 => 'Temporary Redirect',
+				400 => 'Bad Request',
+				401 => 'Unauthorized',
+				402 => 'Payment Required',
+				403 => 'Forbidden',
+				404 => 'Not Found',
+				405 => 'Method Not Allowed',
+				406 => 'Not Acceptable',
+				407 => 'Proxy Authentication Required',
+				408 => 'Request Timeout',
+				409 => 'Conflict',
+				410 => 'Gone',
+				411 => 'Length Required',
+				412 => 'Precondition Failed',
+				413 => 'Request Entity Too Large',
+				414 => 'Request-URI Too Large',
+				415 => 'Unsupported Media Type',
+				416 => 'Request Range Not Satisfiable',
+				417 => 'Expectation Failed',
+				422 => 'Unprocessable Entity',
+				423 => 'Locked',
+				424 => 'Failed Dependency',
+				500 => 'Internal Server Error',
+				501 => 'Not Implemented',
+				502 => 'Bad Gateway',
+				503 => 'Service Unavailable',
+				504 => 'Gateway Timeout',
+				505 => 'HTTP Version Not Supported',
+				507 => 'Insufficient Storage'
+			);
+
+			if ( $statusMessage[$this->mStatusCode] )
+				header( 'HTTP/1.1 ' . $this->mStatusCode . ' ' . $statusMessage[$this->mStatusCode] );
+		}
+
+		# Buffer output; final headers may depend on later processing
+		ob_start();
+
+		# Disable temporary placeholders, so that the skin produces HTML
+		$sk->postParseLinkColour( false );
+
+		header( "Content-type: $wgMimeType; charset={$wgOutputEncoding}" );
+		header( 'Content-language: '.$wgContLanguageCode );
+
+		if ($this->mArticleBodyOnly) {
+			$this->out($this->mBodytext);
+		} else {
+			wfProfileIn( 'Output-skin' );
+			$sk->outputPage( $this );
+			wfProfileOut( 'Output-skin' );
+		}
+
+		$this->sendCacheControl();
+		ob_end_flush();
+		wfProfileOut( $fname );
+	}
+
+	function out( $ins ) {
+		global $wgInputEncoding, $wgOutputEncoding, $wgContLang;
+		if ( 0 == strcmp( $wgInputEncoding, $wgOutputEncoding ) ) {
+			$outs = $ins;
+		} else {
+			$outs = $wgContLang->iconv( $wgInputEncoding, $wgOutputEncoding, $ins );
+			if ( false === $outs ) { $outs = $ins; }
+		}
+		print $outs;
+	}
+
+	function setEncodings() {
+		global $wgInputEncoding, $wgOutputEncoding;
+		global $wgUser, $wgContLang;
+
+		$wgInputEncoding = strtolower( $wgInputEncoding );
+
+		if( $wgUser->getOption( 'altencoding' ) ) {
+			$wgContLang->setAltEncoding();
+			return;
+		}
+
+		if ( empty( $_SERVER['HTTP_ACCEPT_CHARSET'] ) ) {
+			$wgOutputEncoding = strtolower( $wgOutputEncoding );
+			return;
+		}
+		$wgOutputEncoding = $wgInputEncoding;
+	}
+
+	/**
+	 * Returns a HTML comment with the elapsed time since request.
+	 * This method has no side effects.
+	 * Use wfReportTime() instead.
+	 * @return string
+	 * @deprecated
+	 */
+	function reportTime() {
+		$time = wfReportTime();
+		return $time;
+	}
+
+	/**
+	 * Produce a "user is blocked" page
+	 */
+	function blockedPage( $return = true ) {
+		global $wgUser, $wgContLang, $wgTitle;
+
+		$this->setPageTitle( wfMsg( 'blockedtitle' ) );
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+
+		$id = $wgUser->blockedBy();
+		$reason = $wgUser->blockedFor();
+		$ip = wfGetIP();
+
+		if ( is_numeric( $id ) ) {
+			$name = User::whoIs( $id );
+		} else {
+			$name = $id;
+		}
+		$link = '[[' . $wgContLang->getNsText( NS_USER ) . ":{$name}|{$name}]]";
+
+		$this->addWikiText( wfMsg( 'blockedtext', $link, $reason, $ip, $name ) );
+		
+		# Don't auto-return to special pages
+		if( $return ) {
+			$return = $wgTitle->getNamespace() > -1 ? $wgTitle->getPrefixedText() : NULL;
+			$this->returnToMain( false, $return );
+		}
+	}
+
+	/**
+	 * Note: these arguments are keys into wfMsg(), not text!
+	 */
+	function showErrorPage( $title, $msg ) {
+		global $wgTitle;
+
+		$this->mDebugtext .= 'Original title: ' .
+		  $wgTitle->getPrefixedText() . "\n";
+		$this->setPageTitle( wfMsg( $title ) );
+		$this->setHTMLTitle( wfMsg( 'errorpagetitle' ) );
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+		$this->enableClientCache( false );
+		$this->mRedirect = '';
+
+		$this->mBodytext = '';
+		$this->addWikiText( wfMsg( $msg ) );
+		$this->returnToMain( false );
+	}
+
+	/** @obsolete */
+	function errorpage( $title, $msg ) {
+		throw new ErrorPageError( $title, $msg );
+	}
+		
+	/**
+	 * Display an error page indicating that a given version of MediaWiki is
+	 * required to use it
+	 *
+	 * @param mixed $version The version of MediaWiki needed to use the page
+	 */
+	function versionRequired( $version ) {
+		$this->setPageTitle( wfMsg( 'versionrequired', $version ) );
+		$this->setHTMLTitle( wfMsg( 'versionrequired', $version ) );
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+		$this->mBodytext = '';
+
+		$this->addWikiText( wfMsg( 'versionrequiredtext', $version ) );
+		$this->returnToMain();
+	}
+
+	/**
+	 * Display an error page noting that a given permission bit is required.
+	 * This should generally replace the sysopRequired, developerRequired etc.
+	 * @param string $permission key required
+	 */
+	function permissionRequired( $permission ) {
+		global $wgUser;
+
+		$this->setPageTitle( wfMsg( 'badaccess' ) );
+		$this->setHTMLTitle( wfMsg( 'errorpagetitle' ) );
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+		$this->mBodytext = '';
+
+		$sk = $wgUser->getSkin();
+		$ap = $sk->makeKnownLink( wfMsgForContent( 'administrators' ) );
+		$this->addHTML( wfMsgHtml( 'badaccesstext', $ap, $permission ) );
+		$this->returnToMain();
+	}
+
+	/**
+	 * @deprecated
+	 */
+	function sysopRequired() {
+		global $wgUser;
+
+		$this->setPageTitle( wfMsg( 'sysoptitle' ) );
+		$this->setHTMLTitle( wfMsg( 'errorpagetitle' ) );
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+		$this->mBodytext = '';
+
+		$sk = $wgUser->getSkin();
+		$ap = $sk->makeKnownLink( wfMsgForContent( 'administrators' ), '' );
+		$this->addHTML( wfMsgHtml( 'sysoptext', $ap ) );
+		$this->returnToMain();
+	}
+
+	/**
+	 * @deprecated
+	 */
+	function developerRequired() {
+		global $wgUser;
+
+		$this->setPageTitle( wfMsg( 'developertitle' ) );
+		$this->setHTMLTitle( wfMsg( 'errorpagetitle' ) );
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+		$this->mBodytext = '';
+
+		$sk = $wgUser->getSkin();
+		$ap = $sk->makeKnownLink( wfMsgForContent( 'administrators' ), '' );
+		$this->addHTML( wfMsgHtml( 'developertext', $ap ) );
+		$this->returnToMain();
+	}
+
+	/**
+	 * Produce the stock "please login to use the wiki" page
+	 */
+	function loginToUse() {
+		global $wgUser, $wgTitle, $wgContLang;
+		$skin = $wgUser->getSkin();
+		
+		$this->setPageTitle( wfMsg( 'loginreqtitle' ) );
+		$this->setHtmlTitle( wfMsg( 'errorpagetitle' ) );
+		$this->setRobotPolicy( 'noindex,nofollow' );
+		$this->setArticleFlag( false );
+		
+		$loginTitle = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+		$loginLink = $skin->makeKnownLinkObj( $loginTitle, wfMsgHtml( 'loginreqlink' ), 'returnto=' . $wgTitle->getPrefixedUrl() );
+		$this->addHtml( wfMsgWikiHtml( 'loginreqpagetext', $loginLink ) );
+		$this->addHtml( "\n<!--" . $wgTitle->getPrefixedUrl() . "-->" );
+		
+		$this->returnToMain();
+	}
+
+	/** @obsolete */
+	function databaseError( $fname, $sql, $error, $errno ) {
+		throw new MWException( "OutputPage::databaseError is obsolete\n" );
+	}
+
+	function readOnlyPage( $source = null, $protected = false ) {
+		global $wgUser, $wgReadOnlyFile, $wgReadOnly, $wgTitle;
+
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+
+		if( $protected ) {
+			$skin = $wgUser->getSkin();
+			$this->setPageTitle( wfMsg( 'viewsource' ) );
+			$this->setSubtitle( wfMsg( 'viewsourcefor', $skin->makeKnownLinkObj( $wgTitle ) ) );
+			
+			# Determine if protection is due to the page being a system message
+			# and show an appropriate explanation
+			if( $wgTitle->getNamespace() == NS_MEDIAWIKI && !$wgUser->isAllowed( 'editinterface' ) ) {
+				$this->addWikiText( wfMsg( 'protectedinterface' ) );
+			} else {
+				$this->addWikiText( wfMsg( 'protectedtext' ) );
+			}
+		} else {
+			$this->setPageTitle( wfMsg( 'readonly' ) );
+			if ( $wgReadOnly ) {
+				$reason = $wgReadOnly;
+			} else {
+				$reason = file_get_contents( $wgReadOnlyFile );
+			}
+			$this->addWikiText( wfMsg( 'readonlytext', $reason ) );
+		}
+
+		if( is_string( $source ) ) {
+			if( strcmp( $source, '' ) == 0 ) {
+				global $wgTitle;
+				if ( $wgTitle->getNamespace() == NS_MEDIAWIKI ) {
+					$source = wfMsgWeirdKey ( $wgTitle->getText() );
+				} else {
+					$source = wfMsg( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon' );
+				}
+			}
+			$rows = $wgUser->getIntOption( 'rows' );
+			$cols = $wgUser->getIntOption( 'cols' );
+			
+			$text = "\n<textarea name='wpTextbox1' id='wpTextbox1' cols='$cols' rows='$rows' readonly='readonly'>" .
+				htmlspecialchars( $source ) . "\n</textarea>";
+			$this->addHTML( $text );
+		}
+
+		$this->returnToMain( false );
+	}
+
+	/** @obsolete */
+	function fatalError( $message ) { 
+		throw new FatalError( $message ); 
+	}
+	
+	/** @obsolete */
+	function unexpectedValueError( $name, $val ) {
+		throw new FatalError( wfMsg( 'unexpected', $name, $val ) );
+	}
+
+	/** @obsolete */
+	function fileCopyError( $old, $new ) {
+		throw new FatalError( wfMsg( 'filecopyerror', $old, $new ) );
+	}
+
+	/** @obsolete */
+	function fileRenameError( $old, $new ) {
+		throw new FatalError( wfMsg( 'filerenameerror', $old, $new ) );
+	}
+
+	/** @obsolete */
+	function fileDeleteError( $name ) {
+		throw new FatalError( wfMsg( 'filedeleteerror', $name ) );
+	}
+
+	/** @obsolete */
+	function fileNotFoundError( $name ) {
+		throw new FatalError( wfMsg( 'filenotfound', $name ) );
+	}
+
+	function showFatalError( $message ) {
+		$this->setPageTitle( wfMsg( "internalerror" ) );
+		$this->setRobotpolicy( "noindex,nofollow" );
+		$this->setArticleRelated( false );
+		$this->enableClientCache( false );
+		$this->mRedirect = '';
+		$this->mBodytext = $message;
+	}
+
+	function showUnexpectedValueError( $name, $val ) {
+		$this->showFatalError( wfMsg( 'unexpected', $name, $val ) );
+	}
+
+	function showFileCopyError( $old, $new ) {
+		$this->showFatalError( wfMsg( 'filecopyerror', $old, $new ) );
+	}
+
+	function showFileRenameError( $old, $new ) {
+		$this->showFatalError( wfMsg( 'filerenameerror', $old, $new ) );
+	}
+
+	function showFileDeleteError( $name ) {
+		$this->showFatalError( wfMsg( 'filedeleteerror', $name ) );
+	}
+
+	function showFileNotFoundError( $name ) {
+		$this->showFatalError( wfMsg( 'filenotfound', $name ) );
+	}
+
+	/**
+	 * return from error messages or notes
+	 * @param $auto automatically redirect the user after 10 seconds
+	 * @param $returnto page title to return to. Default is Main Page.
+	 */
+	function returnToMain( $auto = true, $returnto = NULL ) {
+		global $wgUser, $wgOut, $wgRequest;
+		
+		if ( $returnto == NULL ) {
+			$returnto = $wgRequest->getText( 'returnto' );
+		}
+		
+		if ( '' === $returnto ) {
+			$returnto = wfMsgForContent( 'mainpage' );
+		}
+
+		if ( is_object( $returnto ) ) {
+			$titleObj = $returnto;
+		} else {
+			$titleObj = Title::newFromText( $returnto );
+		}
+		if ( !is_object( $titleObj ) ) {
+			$titleObj = Title::newMainPage();
+		}
+
+		$sk = $wgUser->getSkin();
+		$link = $sk->makeLinkObj( $titleObj, '' );
+
+		$r = wfMsg( 'returnto', $link );
+		if ( $auto ) {
+			$wgOut->addMeta( 'http:Refresh', '10;url=' . $titleObj->escapeFullURL() );
+		}
+		$wgOut->addHTML( "\n<p>$r</p>\n" );
+	}
+
+	/**
+	 * This function takes the title (first item of mGoodLinks), categories, existing and broken links for the page
+	 * and uses the first 10 of them for META keywords
+	 */
+	function addKeywords( &$parserOutput ) {
+		global $wgTitle;
+		$this->addKeyword( $wgTitle->getPrefixedText() );
+		$count = 1;
+		$links2d =& $parserOutput->getLinks();
+		if ( !is_array( $links2d ) ) {
+			return;
+		}
+		foreach ( $links2d as $ns => $dbkeys ) {
+			foreach( $dbkeys as $dbkey => $id ) {
+				$this->addKeyword( $dbkey );
+				if ( ++$count > 10 ) {
+					break 2;
+				}
+			}
+		}
+	}
+
+	/**
+ 	 * @access private
+	 * @return string
+	 */
+	function headElement() {
+		global $wgDocType, $wgDTD, $wgContLanguageCode, $wgOutputEncoding, $wgMimeType;
+		global $wgUser, $wgContLang, $wgUseTrackbacks, $wgTitle;
+
+		if( $wgMimeType == 'text/xml' || $wgMimeType == 'application/xhtml+xml' || $wgMimeType == 'application/xml' ) {
+			$ret = "<?xml version=\"1.0\" encoding=\"$wgOutputEncoding\" ?>\n";
+		} else {
+			$ret = '';
+		}
+
+		$ret .= "<!DOCTYPE html PUBLIC \"$wgDocType\"\n        \"$wgDTD\">\n";
+
+		if ( '' == $this->getHTMLTitle() ) {
+			$this->setHTMLTitle(  wfMsg( 'pagetitle', $this->getPageTitle() ));
+		}
+
+		$rtl = $wgContLang->isRTL() ? " dir='RTL'" : '';
+		$ret .= "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"$wgContLanguageCode\" lang=\"$wgContLanguageCode\" $rtl>\n";
+		$ret .= "<head>\n<title>" . htmlspecialchars( $this->getHTMLTitle() ) . "</title>\n";
+		array_push( $this->mMetatags, array( "http:Content-type", "$wgMimeType; charset={$wgOutputEncoding}" ) );
+
+		$ret .= $this->getHeadLinks();
+		global $wgStylePath;
+		if( $this->isPrintable() ) {
+			$media = '';
+		} else {
+			$media = "media='print'";
+		}
+		$printsheet = htmlspecialchars( "$wgStylePath/common/wikiprintable.css" );
+		$ret .= "<link rel='stylesheet' type='text/css' $media href='$printsheet' />\n";
+
+		$sk = $wgUser->getSkin();
+		$ret .= $sk->getHeadScripts();
+		$ret .= $this->mScripts;
+		$ret .= $sk->getUserStyles();
+
+		if ($wgUseTrackbacks && $this->isArticleRelated())
+			$ret .= $wgTitle->trackbackRDF();
+
+		$ret .= "</head>\n";
+		return $ret;
+	}
+
+	function getHeadLinks() {
+		global $wgRequest;
+		$ret = '';
+		foreach ( $this->mMetatags as $tag ) {
+			if ( 0 == strcasecmp( 'http:', substr( $tag[0], 0, 5 ) ) ) {
+				$a = 'http-equiv';
+				$tag[0] = substr( $tag[0], 5 );
+			} else {
+				$a = 'name';
+			}
+			$ret .= "<meta $a=\"{$tag[0]}\" content=\"{$tag[1]}\" />\n";
+		}
+
+		$p = $this->mRobotpolicy;
+		if( $p !== '' && $p != 'index,follow' ) {
+			// http://www.robotstxt.org/wc/meta-user.html
+			// Only show if it's different from the default robots policy
+			$ret .= "<meta name=\"robots\" content=\"$p\" />\n";
+		}
+
+		if ( count( $this->mKeywords ) > 0 ) {
+			$strip = array(
+				"/<.*?>/" => '',
+				"/_/" => ' '
+			);
+			$ret .= "<meta name=\"keywords\" content=\"" .
+			  htmlspecialchars(preg_replace(array_keys($strip), array_values($strip),implode( ",", $this->mKeywords ))) . "\" />\n";
+		}
+		foreach ( $this->mLinktags as $tag ) {
+			$ret .= '<link';
+			foreach( $tag as $attr => $val ) {
+				$ret .= " $attr=\"" . htmlspecialchars( $val ) . "\"";
+			}
+			$ret .= " />\n";
+		}
+		if( $this->isSyndicated() ) {
+			# FIXME: centralize the mime-type and name information in Feed.php
+			$link = $wgRequest->escapeAppendQuery( 'feed=rss' );
+			$ret .= "<link rel='alternate' type='application/rss+xml' title='RSS 2.0' href='$link' />\n";
+			$link = $wgRequest->escapeAppendQuery( 'feed=atom' );
+			$ret .= "<link rel='alternate' type='application/atom+xml' title='Atom 0.3' href='$link' />\n";
+		}
+
+		return $ret;
+	}
+
+	/**
+	 * Turn off regular page output and return an error reponse
+	 * for when rate limiting has triggered.
+	 * @todo i18n
+	 * @access public
+	 */
+	function rateLimited() {
+		global $wgOut;
+		$wgOut->disable();
+		wfHttpError( 500, 'Internal Server Error',
+			'Sorry, the server has encountered an internal error. ' .
+			'Please wait a moment and hit "refresh" to submit the request again.' );
+	}
+	
+	/**
+	 * Show an "add new section" link?
+	 *
+	 * @return bool True if the parser output instructs us to add one
+	 */
+	function showNewSectionLink() {
+		return $this->mNewSectionLink;
+	}
+
+}
+?>
diff --git a/includes/PageHistory.php b/includes/PageHistory.php
new file mode 100644
index 00000000..de006285
--- /dev/null
+++ b/includes/PageHistory.php
@@ -0,0 +1,685 @@
+<?php
+/**
+ * Page history
+ *
+ * Split off from Article.php and Skin.php, 2003-12-22
+ * @package MediaWiki
+ */
+
+/**
+ * This class handles printing the history page for an article.  In order to
+ * be efficient, it uses timestamps rather than offsets for paging, to avoid
+ * costly LIMIT,offset queries.
+ *
+ * Construct it by passing in an Article, and call $h->history() to print the
+ * history.
+ *
+ * @package MediaWiki
+ */
+
+class PageHistory {
+	const DIR_PREV = 0;
+	const DIR_NEXT = 1;
+	
+	var $mArticle, $mTitle, $mSkin;
+	var $lastdate;
+	var $linesonpage;
+	var $mNotificationTimestamp;
+	var $mLatestId = null;
+
+	/**
+	 * Construct a new PageHistory.
+	 *
+	 * @param Article $article
+	 * @returns nothing
+	 */
+	function PageHistory($article) {
+		global $wgUser;
+
+		$this->mArticle =& $article;
+		$this->mTitle =& $article->mTitle;
+		$this->mNotificationTimestamp = NULL;
+		$this->mSkin = $wgUser->getSkin();
+
+		$this->defaultLimit = 50;
+	}
+
+	/**
+	 * Print the history page for an article.
+	 *
+	 * @returns nothing
+	 */
+	function history() {
+		global $wgOut, $wgRequest, $wgTitle;
+
+		/*
+		 * Allow client caching.
+		 */
+
+		if( $wgOut->checkLastModified( $this->mArticle->getTimestamp() ) )
+			/* Client cache fresh and headers sent, nothing more to do. */
+			return;
+
+		$fname = 'PageHistory::history';
+		wfProfileIn( $fname );
+
+		/*
+		 * Setup page variables.
+		 */
+		$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+		$wgOut->setArticleFlag( false );
+		$wgOut->setArticleRelated( true );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->setSyndicated( true );
+
+		$logPage = Title::makeTitle( NS_SPECIAL, 'Log' );
+		$logLink = $this->mSkin->makeKnownLinkObj( $logPage, wfMsgHtml( 'viewpagelogs' ), 'page=' . $this->mTitle->getPrefixedUrl() );
+
+		$subtitle = wfMsgHtml( 'revhistory' ) . '<br />' . $logLink;
+		$wgOut->setSubtitle( $subtitle );
+
+		$feedType = $wgRequest->getVal( 'feed' );
+		if( $feedType ) {
+			wfProfileOut( $fname );
+			return $this->feed( $feedType );
+		}
+
+		/*
+		 * Fail if article doesn't exist.
+		 */
+		if( !$this->mTitle->exists() ) {
+			$wgOut->addWikiText( wfMsg( 'nohistory' ) );
+			wfProfileOut( $fname );
+			return;
+		}
+
+		$dbr =& wfGetDB(DB_SLAVE);
+
+		/*
+		 * Extract limit, the number of revisions to show, and
+		 * offset, the timestamp to begin at, from the URL.
+		 */
+		$limit = $wgRequest->getInt('limit', $this->defaultLimit);
+		if ( $limit <= 0 ) {
+			$limit = $this->defaultLimit;
+		} elseif ( $limit > 50000 ) {
+			# Arbitrary maximum
+			# Any more than this and we'll probably get an out of memory error
+			$limit = 50000;
+		}
+
+		$offset = $wgRequest->getText('offset');
+
+		/* Offset must be an integral. */
+		if (!strlen($offset) || !preg_match("/^[0-9]+$/", $offset))
+			$offset = 0;
+#		$offset = $dbr->timestamp($offset);
+		$dboffset = $offset === 0 ? 0 : $dbr->timestamp($offset);
+		/*
+		 * "go=last" means to jump to the last history page.
+		 */
+		if (($gowhere = $wgRequest->getText("go")) !== NULL) {
+			$gourl = null;
+			switch ($gowhere) {
+			case "first":
+				if (($lastid = $this->getLastOffsetForPaging($this->mTitle->getArticleID(), $limit)) === NULL)
+					break;
+				$gourl = $wgTitle->getLocalURL("action=history&limit={$limit}&offset=".
+						wfTimestamp(TS_MW, $lastid));
+				break;
+			}
+
+			if (!is_null($gourl)) {
+				$wgOut->redirect($gourl);
+				return;
+			}
+		}
+
+		/*
+		 * Fetch revisions.
+		 *
+		 * If the user clicked "previous", we retrieve the revisions backwards,
+		 * then reverse them.  This is to avoid needing to know the timestamp of
+		 * previous revisions when generating the URL.
+		 */
+		$direction = $this->getDirection();
+		$revisions = $this->fetchRevisions($limit, $dboffset, $direction);
+		$navbar = $this->makeNavbar($revisions, $offset, $limit, $direction);
+
+		/*
+		 * We fetch one more revision than needed to get the timestamp of the
+		 * one after this page (and to know if it exists).
+		 *
+		 * linesonpage stores the actual number of lines.
+		 */
+		if (count($revisions) < $limit + 1)
+			$this->linesonpage = count($revisions);
+		else
+			$this->linesonpage = count($revisions) - 1;
+
+		/* Un-reverse revisions */
+		if ($direction == PageHistory::DIR_PREV)
+			$revisions = array_reverse($revisions);
+
+		/*
+		 * Print the top navbar.
+		 */
+		$s = $navbar;
+		$s .= $this->beginHistoryList();
+		$counter = 1;
+
+		/*
+		 * Print each revision, excluding the one-past-the-end, if any.
+		 */
+		foreach (array_slice($revisions, 0, $limit) as $i => $line) {
+			$latest = !$i && $offset == 0;
+			$firstInList = !$i;
+			$next = isset( $revisions[$i + 1] ) ? $revisions[$i + 1 ] : null;
+			$s .= $this->historyLine($line, $next, $counter, $this->getNotificationTimestamp(), $latest, $firstInList);
+			$counter++;
+		}
+
+		/*
+		 * End navbar.
+		*/
+		$s .= $this->endHistoryList();
+		$s .= $navbar;
+
+		$wgOut->addHTML( $s );
+		wfProfileOut( $fname );
+	}
+
+	/** @todo document */
+	function beginHistoryList() {
+		global $wgTitle;
+		$this->lastdate = '';
+		$s = wfMsgExt( 'histlegend', array( 'parse') );
+		$s .= '<form action="' . $wgTitle->escapeLocalURL( '-' ) . '" method="get">';
+		$prefixedkey = htmlspecialchars($wgTitle->getPrefixedDbKey());
+
+		// The following line is SUPPOSED to have double-quotes around the
+		// $prefixedkey variable, because htmlspecialchars() doesn't escape
+		// single-quotes.
+		//
+		// On at least two occasions people have changed it to single-quotes,
+		// which creates invalid HTML and incorrect display of the resulting
+		// link.
+		//
+		// Please do not break this a third time. Thank you for your kind
+		// consideration and cooperation.
+		//
+		$s .= "<input type='hidden' name='title' value=\"{$prefixedkey}\" />\n";
+
+		$s .= $this->submitButton();
+		$s .= '<ul id="pagehistory">' . "\n";
+		return $s;
+	}
+
+	/** @todo document */
+	function endHistoryList() {
+		$s = '</ul>';
+		$s .= $this->submitButton( array( 'id' => 'historysubmit' ) );
+		$s .= '</form>';
+		return $s;
+	}
+
+	/** @todo document */
+	function submitButton( $bits = array() ) {
+		return ( $this->linesonpage > 0 )
+			? wfElement( 'input', array_merge( $bits,
+				array(
+					'class'     => 'historysubmit',
+					'type'      => 'submit',
+					'accesskey' => wfMsg( 'accesskey-compareselectedversions' ),
+					'title'     => wfMsg( 'tooltip-compareselectedversions' ),
+					'value'     => wfMsg( 'compareselectedversions' ),
+				) ) )
+			: '';
+	}
+
+	/** @todo document */
+	function historyLine( $row, $next, $counter = '', $notificationtimestamp = false, $latest = false, $firstInList = false ) {
+		global $wgUser;
+		$rev = new Revision( $row );
+		$rev->setTitle( $this->mTitle );
+
+		$s = '<li>';
+		$curlink = $this->curLink( $rev, $latest );
+		$lastlink = $this->lastLink( $rev, $next, $counter );
+		$arbitrary = $this->diffButtons( $rev, $firstInList, $counter );
+		$link = $this->revLink( $rev );
+		
+		$user = $this->mSkin->userLink( $rev->getUser(), $rev->getUserText() )
+				. $this->mSkin->userToolLinks( $rev->getUser(), $rev->getUserText() );
+		
+		$s .= "($curlink) ($lastlink) $arbitrary";
+		
+		if( $wgUser->isAllowed( 'deleterevision' ) ) {
+			$revdel = Title::makeTitle( NS_SPECIAL, 'Revisiondelete' );
+			if( $firstInList ) {
+				// We don't currently handle well changing the top revision's settings
+				$del = wfMsgHtml( 'rev-delundel' );
+			} else {
+				$del = $this->mSkin->makeKnownLinkObj( $revdel,
+					wfMsg( 'rev-delundel' ),
+					'target=' . urlencode( $this->mTitle->getPrefixedDbkey() ) .
+					'&oldid=' . urlencode( $rev->getId() ) );
+			}
+			$s .= "(<small>$del</small>) ";
+		}
+		
+		$s .= " $link <span class='history-user'>$user</span>";
+
+		if( $row->rev_minor_edit ) {
+			$s .= ' ' . wfElement( 'span', array( 'class' => 'minor' ), wfMsg( 'minoreditletter') );
+		}
+
+		$s .= $this->mSkin->revComment( $rev );
+		if ($notificationtimestamp && ($row->rev_timestamp >= $notificationtimestamp)) {
+			$s .= ' <span class="updatedmarker">' .  wfMsgHtml( 'updatedmarker' ) . '</span>';
+		}
+		if( $row->rev_deleted & Revision::DELETED_TEXT ) {
+			$s .= ' ' . wfMsgHtml( 'deletedrev' );
+		}
+		$s .= "</li>\n";
+
+		return $s;
+	}
+	
+	/** @todo document */
+	function revLink( $rev ) {
+		global $wgLang;
+		$date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp()), true );
+		if( $rev->userCan( Revision::DELETED_TEXT ) ) {
+			$link = $this->mSkin->makeKnownLinkObj(
+				$this->mTitle, $date, "oldid=" . $rev->getId() );
+		} else {
+			$link = $date;
+		}
+		if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
+			return '<span class="history-deleted">' . $link . '</span>';
+		}
+		return $link;
+	}
+
+	/** @todo document */
+	function curLink( $rev, $latest ) {
+		$cur = wfMsgExt( 'cur', array( 'escape') );
+		if( $latest || !$rev->userCan( Revision::DELETED_TEXT ) ) {
+			return $cur;
+		} else {
+			return $this->mSkin->makeKnownLinkObj(
+				$this->mTitle, $cur,
+				'diff=' . $this->getLatestID() .
+				"&oldid=" . $rev->getId() );
+		}
+	}
+
+	/** @todo document */
+	function lastLink( $rev, $next, $counter ) {
+		$last = wfMsgExt( 'last', array( 'escape' ) );
+		if( is_null( $next ) ) {
+			if( $rev->getTimestamp() == $this->getEarliestOffset() ) {
+				return $last;
+			} else {
+				// Cut off by paging; there are more behind us...
+				return $this->mSkin->makeKnownLinkObj(
+					$this->mTitle,
+					$last,
+					"diff=" . $rev->getId() . "&oldid=prev" );
+			}
+		} elseif( !$rev->userCan( Revision::DELETED_TEXT ) ) {
+			return $last;
+		} else {
+			return $this->mSkin->makeKnownLinkObj(
+				$this->mTitle,
+				$last,
+				"diff=" . $rev->getId() . "&oldid={$next->rev_id}"
+				/*,
+				'',
+				'',
+				"tabindex={$counter}"*/ );
+		}
+	}
+
+	/** @todo document */
+	function diffButtons( $rev, $firstInList, $counter ) {
+		if( $this->linesonpage > 1) {
+			$radio = array(
+				'type'  => 'radio',
+				'value' => $rev->getId(),
+# do we really need to flood this on every item?
+#				'title' => wfMsgHtml( 'selectolderversionfordiff' )
+			);
+
+			if( !$rev->userCan( Revision::DELETED_TEXT ) ) {
+				$radio['disabled'] = 'disabled';
+			}
+
+			/** @todo: move title texts to javascript */
+			if ( $firstInList ) {
+				$first = wfElement( 'input', array_merge(
+					$radio,
+					array(
+						'style' => 'visibility:hidden',
+						'name'  => 'oldid' ) ) );
+				$checkmark = array( 'checked' => 'checked' );
+			} else {
+				if( $counter == 2 ) {
+					$checkmark = array( 'checked' => 'checked' );
+				} else {
+					$checkmark = array();
+				}
+				$first = wfElement( 'input', array_merge(
+					$radio,
+					$checkmark,
+					array( 'name'  => 'oldid' ) ) );
+				$checkmark = array();
+			}
+			$second = wfElement( 'input', array_merge(
+				$radio,
+				$checkmark,
+				array( 'name'  => 'diff' ) ) );
+			return $first . $second;
+		} else {
+			return '';
+		}
+	}
+
+	/** @todo document */
+	function getLatestOffset( $id = null ) {
+		if ( $id === null) $id = $this->mTitle->getArticleID();
+		return $this->getExtremeOffset( $id, 'max' );
+	}
+
+	/** @todo document */
+	function getEarliestOffset( $id = null ) {
+		if ( $id === null) $id = $this->mTitle->getArticleID();
+		return $this->getExtremeOffset( $id, 'min' );
+	}
+
+	/** @todo document */
+	function getExtremeOffset( $id, $func ) {
+		$db =& wfGetDB(DB_SLAVE);
+		return $db->selectField( 'revision',
+			"$func(rev_timestamp)",
+			array( 'rev_page' => $id ),
+			'PageHistory::getExtremeOffset' );
+	}
+
+	/** @todo document */
+	function getLatestId() {
+		if( is_null( $this->mLatestId ) ) {
+			$id = $this->mTitle->getArticleID();
+			$db =& wfGetDB(DB_SLAVE);
+			$this->mLatestId = $db->selectField( 'revision',
+				"max(rev_id)",
+				array( 'rev_page' => $id ),
+				'PageHistory::getLatestID' );
+		}
+		return $this->mLatestId;
+	}
+
+	/** @todo document */
+	function getLastOffsetForPaging( $id, $step ) {
+		$fname = 'PageHistory::getLastOffsetForPaging';
+
+		$dbr =& wfGetDB(DB_SLAVE);
+		$res = $dbr->select(
+			'revision',
+			'rev_timestamp',
+			"rev_page=$id",
+			$fname,
+			array('ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => $step));
+
+		$n = $dbr->numRows( $res );
+		$last = null;
+		while( $obj = $dbr->fetchObject( $res ) ) {
+			$last = $obj->rev_timestamp;
+		}
+		$dbr->freeResult( $res );
+		return $last;
+	}
+
+	/**
+	 * @return returns the direction of browsing watchlist
+	 */
+	function getDirection() {
+		global $wgRequest;
+		if ($wgRequest->getText("dir") == "prev")
+			return PageHistory::DIR_PREV;
+		else
+			return PageHistory::DIR_NEXT;
+	}
+
+	/** @todo document */
+	function fetchRevisions($limit, $offset, $direction) {
+		$fname = 'PageHistory::fetchRevisions';
+
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		if ($direction == PageHistory::DIR_PREV)
+			list($dirs, $oper) = array("ASC", ">=");
+		else /* $direction == PageHistory::DIR_NEXT */
+			list($dirs, $oper) = array("DESC", "<=");
+
+		if ($offset)
+			$offsets = array("rev_timestamp $oper '$offset'");
+		else
+			$offsets = array();
+
+		$page_id = $this->mTitle->getArticleID();
+
+		$res = $dbr->select(
+			'revision',
+			array('rev_id', 'rev_page', 'rev_text_id', 'rev_user', 'rev_comment', 'rev_user_text',
+				'rev_timestamp', 'rev_minor_edit', 'rev_deleted'),
+			array_merge(array("rev_page=$page_id"), $offsets),
+			$fname,
+			array('ORDER BY' => "rev_timestamp $dirs",
+				'USE INDEX' => 'page_timestamp', 'LIMIT' => $limit)
+			);
+
+		$result = array();
+		while (($obj = $dbr->fetchObject($res)) != NULL)
+			$result[] = $obj;
+
+		return $result;
+	}
+
+	/** @todo document */
+	function getNotificationTimestamp() {
+		global $wgUser, $wgShowUpdatedMarker;
+		$fname = 'PageHistory::getNotficationTimestamp';
+
+		if ($this->mNotificationTimestamp !== NULL)
+			return $this->mNotificationTimestamp;
+
+		if ($wgUser->isAnon() || !$wgShowUpdatedMarker)
+			return $this->mNotificationTimestamp = false;
+
+		$dbr =& wfGetDB(DB_SLAVE);
+
+		$this->mNotificationTimestamp = $dbr->selectField(
+			'watchlist',
+			'wl_notificationtimestamp',
+			array(	'wl_namespace' => $this->mTitle->getNamespace(),
+				'wl_title' => $this->mTitle->getDBkey(),
+				'wl_user' => $wgUser->getID()
+			),
+			$fname);
+		
+		// Don't use the special value reserved for telling whether the field is filled
+		if ( is_null( $this->mNotificationTimestamp ) ) {
+			$this->mNotificationTimestamp = false;
+		}
+
+		return $this->mNotificationTimestamp;
+	}
+
+	/** @todo document */
+	function makeNavbar($revisions, $offset, $limit, $direction) {
+		global $wgLang;
+
+		$revisions = array_slice($revisions, 0, $limit);
+
+		$latestTimestamp = wfTimestamp(TS_MW, $this->getLatestOffset());
+		$earliestTimestamp = wfTimestamp(TS_MW, $this->getEarliestOffset());
+
+		/*
+		 * When we're displaying previous revisions, we need to reverse
+		 * the array, because it's queried in reverse order.
+		 */
+		if ($direction == PageHistory::DIR_PREV)
+			$revisions = array_reverse($revisions);
+
+		/*
+		 * lowts is the timestamp of the first revision on this page.
+		 * hights is the timestamp of the last revision.
+		 */
+
+		$lowts = $hights = 0;
+
+		if( count( $revisions ) ) {
+			$latestShown = wfTimestamp(TS_MW, $revisions[0]->rev_timestamp);
+			$earliestShown = wfTimestamp(TS_MW, $revisions[count($revisions) - 1]->rev_timestamp);
+		} else {
+			$latestShown = null;
+			$earliestShown = null;
+		}
+
+		/* Don't announce the limit everywhere if it's the default */
+		$usefulLimit = $limit == $this->defaultLimit ? '' : $limit;
+
+		$urls = array();
+		foreach (array(20, 50, 100, 250, 500) as $num) {
+			$urls[] = $this->MakeLink( $wgLang->formatNum($num),
+				array('offset' => $offset == 0 ? '' : wfTimestamp(TS_MW, $offset), 'limit' => $num, ) );
+		}
+
+		$bits = implode($urls, ' | ');
+
+		wfDebug("latestShown=$latestShown latestTimestamp=$latestTimestamp\n");
+		if( $latestShown < $latestTimestamp ) {
+			$prevtext = $this->MakeLink( wfMsgHtml("prevn", $limit),
+				array( 'dir' => 'prev', 'offset' => $latestShown, 'limit' => $usefulLimit ) );
+			$lasttext = $this->MakeLink( wfMsgHtml('histlast'),
+				array( 'limit' => $usefulLimit ) );
+		} else {
+			$prevtext = wfMsgHtml("prevn", $limit);
+			$lasttext = wfMsgHtml('histlast');
+		}
+
+		wfDebug("earliestShown=$earliestShown earliestTimestamp=$earliestTimestamp\n");
+		if( $earliestShown > $earliestTimestamp ) {
+			$nexttext = $this->MakeLink( wfMsgHtml("nextn", $limit),
+				array( 'offset' => $earliestShown, 'limit' => $usefulLimit ) );
+			$firsttext = $this->MakeLink( wfMsgHtml('histfirst'),
+				array( 'go' => 'first', 'limit' => $usefulLimit ) );
+		} else {
+			$nexttext = wfMsgHtml("nextn", $limit);
+			$firsttext = wfMsgHtml('histfirst');
+		}
+
+		$firstlast = "($lasttext | $firsttext)";
+
+		return "$firstlast " . wfMsgHtml("viewprevnext", $prevtext, $nexttext, $bits);
+	}
+
+	function MakeLink($text, $query = NULL) {
+		if ( $query === null ) return $text;
+		return $this->mSkin->makeKnownLinkObj(
+				$this->mTitle, $text,
+				wfArrayToCGI( $query, array( 'action' => 'history' )));
+	}
+	
+	
+	/**
+	 * Output a subscription feed listing recent edits to this page.
+	 * @param string $type
+	 */
+	function feed( $type ) {
+		require_once 'SpecialRecentchanges.php';
+		
+		global $wgFeedClasses;
+		if( !isset( $wgFeedClasses[$type] ) ) {
+			global $wgOut;
+			$wgOut->addWikiText( wfMsg( 'feed-invalid' ) );
+			return;
+		}
+		
+		$feed = new $wgFeedClasses[$type](
+			$this->mTitle->getPrefixedText() . ' - ' .
+				wfMsgForContent( 'history-feed-title' ),
+			wfMsgForContent( 'history-feed-description' ),
+			$this->mTitle->getFullUrl( 'action=history' ) );
+
+		$items = $this->fetchRevisions(10, 0, PageHistory::DIR_NEXT);
+		$feed->outHeader();
+		if( $items ) {
+			foreach( $items as $row ) {
+				$feed->outItem( $this->feedItem( $row ) );
+			}
+		} else {
+			$feed->outItem( $this->feedEmpty() );
+		}
+		$feed->outFooter();
+	}
+	
+	function feedEmpty() {
+		global $wgOut;
+		return new FeedItem(
+			wfMsgForContent( 'nohistory' ),
+			$wgOut->parse( wfMsgForContent( 'history-feed-empty' ) ),
+			$this->mTitle->getFullUrl(),
+			wfTimestamp( TS_MW ),
+			'',
+			$this->mTitle->getTalkPage()->getFullUrl() );
+	}
+	
+	/**
+	 * Generate a FeedItem object from a given revision table row
+	 * Borrows Recent Changes' feed generation functions for formatting;
+	 * includes a diff to the previous revision (if any).
+	 *
+	 * @param $row
+	 * @return FeedItem
+	 */
+	function feedItem( $row ) {
+		$rev = new Revision( $row );
+		$rev->setTitle( $this->mTitle );
+		$text = rcFormatDiffRow( $this->mTitle,
+			$this->mTitle->getPreviousRevisionID( $rev->getId() ),
+			$rev->getId(),
+			$rev->getTimestamp(),
+			$rev->getComment() );
+		
+		if( $rev->getComment() == '' ) {
+			global $wgContLang;
+			$title = wfMsgForContent( 'history-feed-item-nocomment',
+				$rev->getUserText(),
+				$wgContLang->timeanddate( $rev->getTimestamp() ) );
+		} else {
+			$title = $rev->getUserText() . ": " . $this->stripComment( $rev->getComment() );
+		}
+
+		return new FeedItem(
+			$title,
+			$text,
+			$this->mTitle->getFullUrl( 'diff=' . $rev->getId() . '&oldid=prev' ),
+			$rev->getTimestamp(),
+			$rev->getUserText(),
+			$this->mTitle->getTalkPage()->getFullUrl() );
+	}
+	
+	/**
+	 * Quickie hack... strip out wikilinks to more legible form from the comment.
+	 */
+	function stripComment( $text ) {
+		return preg_replace( '/\[\[([^]]*\|)?([^]]+)\]\]/', '\2', $text );
+	}
+
+
+}
+
+?>
diff --git a/includes/Parser.php b/includes/Parser.php
new file mode 100644
index 00000000..31976baf
--- /dev/null
+++ b/includes/Parser.php
@@ -0,0 +1,4727 @@
+<?php
+/**
+ * File for Parser and related classes
+ *
+ * @package MediaWiki
+ * @subpackage Parser
+ */
+
+/**
+ * Update this version number when the ParserOutput format
+ * changes in an incompatible way, so the parser cache
+ * can automatically discard old data.
+ */
+define( 'MW_PARSER_VERSION', '1.6.1' );
+
+/**
+ * Variable substitution O(N^2) attack
+ *
+ * Without countermeasures, it would be possible to attack the parser by saving
+ * a page filled with a large number of inclusions of large pages. The size of
+ * the generated page would be proportional to the square of the input size.
+ * Hence, we limit the number of inclusions of any given page, thus bringing any
+ * attack back to O(N).
+ */
+
+define( 'MAX_INCLUDE_REPEAT', 100 );
+define( 'MAX_INCLUDE_SIZE', 1000000 ); // 1 Million
+
+define( 'RLH_FOR_UPDATE', 1 );
+
+# Allowed values for $mOutputType
+define( 'OT_HTML', 1 );
+define( 'OT_WIKI', 2 );
+define( 'OT_MSG' , 3 );
+
+# Flags for setFunctionHook
+define( 'SFH_NO_HASH', 1 );
+
+# string parameter for extractTags which will cause it
+# to strip HTML comments in addition to regular
+# <XML>-style tags. This should not be anything we
+# may want to use in wikisyntax
+define( 'STRIP_COMMENTS', 'HTMLCommentStrip' );
+
+# Constants needed for external link processing
+define( 'HTTP_PROTOCOLS', 'http:\/\/|https:\/\/' );
+# Everything except bracket, space, or control characters
+define( 'EXT_LINK_URL_CLASS', '[^][<>"\\x00-\\x20\\x7F]' );
+# Including space, but excluding newlines
+define( 'EXT_LINK_TEXT_CLASS', '[^\]\\x0a\\x0d]' );
+define( 'EXT_IMAGE_FNAME_CLASS', '[A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]' );
+define( 'EXT_IMAGE_EXTENSIONS', 'gif|png|jpg|jpeg' );
+define( 'EXT_LINK_BRACKETED',  '/\[(\b(' . wfUrlProtocols() . ')'.
+	EXT_LINK_URL_CLASS.'+) *('.EXT_LINK_TEXT_CLASS.'*?)\]/S' );
+define( 'EXT_IMAGE_REGEX',
+	'/^('.HTTP_PROTOCOLS.')'.  # Protocol
+	'('.EXT_LINK_URL_CLASS.'+)\\/'.  # Hostname and path
+	'('.EXT_IMAGE_FNAME_CLASS.'+)\\.((?i)'.EXT_IMAGE_EXTENSIONS.')$/S' # Filename
+);
+
+// State constants for the definition list colon extraction
+define( 'MW_COLON_STATE_TEXT', 0 );
+define( 'MW_COLON_STATE_TAG', 1 );
+define( 'MW_COLON_STATE_TAGSTART', 2 );
+define( 'MW_COLON_STATE_CLOSETAG', 3 );
+define( 'MW_COLON_STATE_TAGSLASH', 4 );
+define( 'MW_COLON_STATE_COMMENT', 5 );
+define( 'MW_COLON_STATE_COMMENTDASH', 6 );
+define( 'MW_COLON_STATE_COMMENTDASHDASH', 7 );
+
+/**
+ * PHP Parser
+ *
+ * Processes wiki markup
+ *
+ * <pre>
+ * There are three main entry points into the Parser class:
+ * parse()
+ *   produces HTML output
+ * preSaveTransform().
+ *   produces altered wiki markup.
+ * transformMsg()
+ *   performs brace substitution on MediaWiki messages
+ *
+ * Globals used:
+ *    objects:   $wgLang, $wgContLang
+ *
+ * NOT $wgArticle, $wgUser or $wgTitle. Keep them away!
+ *
+ * settings:
+ *  $wgUseTex*, $wgUseDynamicDates*, $wgInterwikiMagic*,
+ *  $wgNamespacesWithSubpages, $wgAllowExternalImages*,
+ *  $wgLocaltimezone, $wgAllowSpecialInclusion*
+ *
+ *  * only within ParserOptions
+ * </pre>
+ *
+ * @package MediaWiki
+ */
+class Parser
+{
+	/**#@+
+	 * @private
+	 */
+	# Persistent:
+	var $mTagHooks, $mFunctionHooks, $mFunctionSynonyms, $mVariables;
+
+	# Cleared with clearState():
+	var $mOutput, $mAutonumber, $mDTopen, $mStripState = array();
+	var $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
+	var $mInterwikiLinkHolders, $mLinkHolders, $mUniqPrefix;
+	var $mTemplates,	// cache of already loaded templates, avoids
+		                // multiple SQL queries for the same string
+	    $mTemplatePath;	// stores an unsorted hash of all the templates already loaded
+		                // in this path. Used for loop detection.
+
+	# Temporary
+	# These are variables reset at least once per parse regardless of $clearState
+	var $mOptions,      // ParserOptions object
+		$mTitle,        // Title context, used for self-link rendering and similar things
+		$mOutputType,   // Output type, one of the OT_xxx constants
+		$mRevisionId;   // ID to display in {{REVISIONID}} tags
+
+	/**#@-*/
+
+	/**
+	 * Constructor
+	 *
+	 * @public
+	 */
+	function Parser() {
+		$this->mTagHooks = array();
+		$this->mFunctionHooks = array();
+		$this->mFunctionSynonyms = array( 0 => array(), 1 => array() );
+		$this->mFirstCall = true;
+	}
+
+	/**
+	 * Do various kinds of initialisation on the first call of the parser
+	 */
+	function firstCallInit() {
+		if ( !$this->mFirstCall ) {
+			return;
+		}
+
+		wfProfileIn( __METHOD__ );
+		global $wgAllowDisplayTitle, $wgAllowSlowParserFunctions;
+
+		$this->setHook( 'pre', array( $this, 'renderPreTag' ) );
+
+		$this->setFunctionHook( MAG_NS, array( 'CoreParserFunctions', 'ns' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_URLENCODE, array( 'CoreParserFunctions', 'urlencode' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_LCFIRST, array( 'CoreParserFunctions', 'lcfirst' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_UCFIRST, array( 'CoreParserFunctions', 'ucfirst' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_LC, array( 'CoreParserFunctions', 'lc' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_UC, array( 'CoreParserFunctions', 'uc' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_LOCALURL, array( 'CoreParserFunctions', 'localurl' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_LOCALURLE, array( 'CoreParserFunctions', 'localurle' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_FULLURL, array( 'CoreParserFunctions', 'fullurl' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_FULLURLE, array( 'CoreParserFunctions', 'fullurle' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_FORMATNUM, array( 'CoreParserFunctions', 'formatnum' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_GRAMMAR, array( 'CoreParserFunctions', 'grammar' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_PLURAL, array( 'CoreParserFunctions', 'plural' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_NUMBEROFPAGES, array( 'CoreParserFunctions', 'numberofpages' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_NUMBEROFUSERS, array( 'CoreParserFunctions', 'numberofusers' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_NUMBEROFARTICLES, array( 'CoreParserFunctions', 'numberofarticles' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_NUMBEROFFILES, array( 'CoreParserFunctions', 'numberoffiles' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_NUMBEROFADMINS, array( 'CoreParserFunctions', 'numberofadmins' ), SFH_NO_HASH );
+		$this->setFunctionHook( MAG_LANGUAGE, array( 'CoreParserFunctions', 'language' ), SFH_NO_HASH );
+
+		if ( $wgAllowDisplayTitle ) {
+			$this->setFunctionHook( MAG_DISPLAYTITLE, array( 'CoreParserFunctions', 'displaytitle' ), SFH_NO_HASH );
+		}
+		if ( $wgAllowSlowParserFunctions ) {
+			$this->setFunctionHook( MAG_PAGESINNAMESPACE, array( 'CoreParserFunctions', 'pagesinnamespace' ), SFH_NO_HASH );
+		}
+		
+		$this->initialiseVariables();
+
+		$this->mFirstCall = false;
+		wfProfileOut( __METHOD__ );
+	}		
+
+	/**
+	 * Clear Parser state
+	 *
+	 * @private
+	 */
+	function clearState() {
+		if ( $this->mFirstCall ) {
+			$this->firstCallInit();
+		}
+		$this->mOutput = new ParserOutput;
+		$this->mAutonumber = 0;
+		$this->mLastSection = '';
+		$this->mDTopen = false;
+		$this->mIncludeCount = array();
+		$this->mStripState = array();
+		$this->mArgStack = array();
+		$this->mInPre = false;
+		$this->mInterwikiLinkHolders = array(
+			'texts' => array(),
+			'titles' => array()
+		);
+		$this->mLinkHolders = array(
+			'namespaces' => array(),
+			'dbkeys' => array(),
+			'queries' => array(),
+			'texts' => array(),
+			'titles' => array()
+		);
+		$this->mRevisionId = null;
+		
+		/**
+		 * Prefix for temporary replacement strings for the multipass parser.
+		 * \x07 should never appear in input as it's disallowed in XML.
+		 * Using it at the front also gives us a little extra robustness
+		 * since it shouldn't match when butted up against identifier-like
+		 * string constructs.
+		 */
+		$this->mUniqPrefix = "\x07UNIQ" . Parser::getRandomString();
+
+		# Clear these on every parse, bug 4549
+ 		$this->mTemplates = array();
+ 		$this->mTemplatePath = array();
+
+		$this->mShowToc = true;
+		$this->mForceTocPosition = false;
+
+		wfRunHooks( 'ParserClearState', array( &$this ) );
+	}
+
+	/**
+	 * Accessor for mUniqPrefix.
+	 *
+	 * @public
+	 */
+	function UniqPrefix() {
+		return $this->mUniqPrefix;
+	}
+
+	/**
+	 * Convert wikitext to HTML
+	 * Do not call this function recursively.
+	 *
+	 * @private
+	 * @param string $text Text we want to parse
+	 * @param Title &$title A title object
+	 * @param array $options
+	 * @param boolean $linestart
+	 * @param boolean $clearState
+	 * @param int $revid number to pass in {{REVISIONID}}
+	 * @return ParserOutput a ParserOutput
+	 */
+	function parse( $text, &$title, $options, $linestart = true, $clearState = true, $revid = null ) {
+		/**
+		 * First pass--just handle <nowiki> sections, pass the rest off
+		 * to internalParse() which does all the real work.
+		 */
+
+		global $wgUseTidy, $wgAlwaysUseTidy, $wgContLang;
+		$fname = 'Parser::parse';
+		wfProfileIn( $fname );
+
+		if ( $clearState ) {
+			$this->clearState();
+		}
+
+		$this->mOptions = $options;
+		$this->mTitle =& $title;
+		$this->mRevisionId = $revid;
+		$this->mOutputType = OT_HTML;
+
+		//$text = $this->strip( $text, $this->mStripState );
+		// VOODOO MAGIC FIX! Sometimes the above segfaults in PHP5.
+		$x =& $this->mStripState;
+
+		wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$x ) );
+		$text = $this->strip( $text, $x );
+		wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$x ) );
+
+		# Hook to suspend the parser in this state
+		if ( !wfRunHooks( 'ParserBeforeInternalParse', array( &$this, &$text, &$x ) ) ) {
+			wfProfileOut( $fname );
+			return $text ;
+		}
+
+		$text = $this->internalParse( $text );
+
+		$text = $this->unstrip( $text, $this->mStripState );
+
+		# Clean up special characters, only run once, next-to-last before doBlockLevels
+		$fixtags = array(
+			# french spaces, last one Guillemet-left
+			# only if there is something before the space
+			'/(.) (?=\\?|:|;|!|\\302\\273)/' => '\\1&nbsp;\\2',
+			# french spaces, Guillemet-right
+			'/(\\302\\253) /' => '\\1&nbsp;',
+		);
+		$text = preg_replace( array_keys($fixtags), array_values($fixtags), $text );
+
+		# only once and last
+		$text = $this->doBlockLevels( $text, $linestart );
+
+		$this->replaceLinkHolders( $text );
+
+		# the position of the parserConvert() call should not be changed. it
+		# assumes that the links are all replaced and the only thing left
+		# is the <nowiki> mark.
+		# Side-effects: this calls $this->mOutput->setTitleText()
+		$text = $wgContLang->parserConvert( $text, $this );
+
+		$text = $this->unstripNoWiki( $text, $this->mStripState );
+
+		wfRunHooks( 'ParserBeforeTidy', array( &$this, &$text ) );
+
+		$text = Sanitizer::normalizeCharReferences( $text );
+
+		if (($wgUseTidy and $this->mOptions->mTidy) or $wgAlwaysUseTidy) {
+			$text = Parser::tidy($text);
+		} else {
+			# attempt to sanitize at least some nesting problems
+			# (bug #2702 and quite a few others)
+			$tidyregs = array(	
+				# ''Something [http://www.cool.com cool''] --> 
+				# <i>Something</i><a href="http://www.cool.com"..><i>cool></i></a>
+				'/(<([bi])>)(<([bi])>)?([^<]*)(<\/?a[^<]*>)([^<]*)(<\/\\4>)?(<\/\\2>)/' =>
+				'\\1\\3\\5\\8\\9\\6\\1\\3\\7\\8\\9',
+				# fix up an anchor inside another anchor, only
+				# at least for a single single nested link (bug 3695)
+				'/(<a[^>]+>)([^<]*)(<a[^>]+>[^<]*)<\/a>(.*)<\/a>/' =>
+				'\\1\\2</a>\\3</a>\\1\\4</a>',
+				# fix div inside inline elements- doBlockLevels won't wrap a line which
+				# contains a div, so fix it up here; replace
+				# div with escaped text
+				'/(<([aib]) [^>]+>)([^<]*)(<div([^>]*)>)(.*)(<\/div>)([^<]*)(<\/\\2>)/' =>
+				'\\1\\3&lt;div\\5&gt;\\6&lt;/div&gt;\\8\\9',
+				# remove empty italic or bold tag pairs, some
+				# introduced by rules above
+				'/<([bi])><\/\\1>/' => '' 
+			);
+
+			$text = preg_replace( 
+				array_keys( $tidyregs ),
+				array_values( $tidyregs ),
+				$text );
+		}
+
+		wfRunHooks( 'ParserAfterTidy', array( &$this, &$text ) );
+
+		$this->mOutput->setText( $text );
+		wfProfileOut( $fname );
+
+		return $this->mOutput;
+	}
+
+	/**
+	 * Get a random string
+	 *
+	 * @private
+	 * @static
+	 */
+	function getRandomString() {
+		return dechex(mt_rand(0, 0x7fffffff)) . dechex(mt_rand(0, 0x7fffffff));
+	}
+
+	function &getTitle() { return $this->mTitle; }
+	function getOptions() { return $this->mOptions; }
+
+	function getFunctionLang() {
+		global $wgLang, $wgContLang;
+		return $this->mOptions->getInterfaceMessage() ? $wgLang : $wgContLang;
+	}
+
+	/**
+	 * Replaces all occurrences of HTML-style comments and the given tags
+	 * in the text with a random marker and returns teh next text. The output
+	 * parameter $matches will be an associative array filled with data in
+	 * the form:
+	 *   'UNIQ-xxxxx' => array(
+	 *     'element',
+	 *     'tag content',
+	 *     array( 'param' => 'x' ),
+	 *     '<element param="x">tag content</element>' ) )
+	 *
+	 * @param $elements list of element names. Comments are always extracted.
+	 * @param $text Source text string.
+	 * @param $uniq_prefix
+	 *
+	 * @private
+	 * @static
+	 */
+	function extractTagsAndParams($elements, $text, &$matches, $uniq_prefix = ''){
+		$rand = Parser::getRandomString();
+		$n = 1;
+		$stripped = '';
+		$matches = array();
+
+		$taglist = implode( '|', $elements );
+		$start = "/<($taglist)(\\s+[^>]*?|\\s*?)(\/?>)|<(!--)/i";
+
+		while ( '' != $text ) {
+			$p = preg_split( $start, $text, 2, PREG_SPLIT_DELIM_CAPTURE );
+			$stripped .= $p[0];
+			if( count( $p ) < 5 ) {
+				break;
+			}
+			if( count( $p ) > 5 ) {
+				// comment
+				$element    = $p[4];
+				$attributes = '';
+				$close      = '';
+				$inside     = $p[5];
+			} else {
+				// tag
+				$element    = $p[1];
+				$attributes = $p[2];
+				$close      = $p[3];
+				$inside     = $p[4];
+			}
+
+			$marker = "$uniq_prefix-$element-$rand" . sprintf('%08X', $n++) . '-QINU';
+			$stripped .= $marker;
+
+			if ( $close === '/>' ) {
+				// Empty element tag, <tag />
+				$content = null;
+				$text = $inside;
+				$tail = null;
+			} else {
+				if( $element == '!--' ) {
+					$end = '/(-->)/';
+				} else {
+					$end = "/(<\\/$element\\s*>)/i";
+				}
+				$q = preg_split( $end, $inside, 2, PREG_SPLIT_DELIM_CAPTURE );
+				$content = $q[0];
+				if( count( $q ) < 3 ) {
+					# No end tag -- let it run out to the end of the text.
+					$tail = '';
+					$text = '';
+				} else {
+					$tail = $q[1];
+					$text = $q[2];
+				}
+			}
+			
+			$matches[$marker] = array( $element,
+				$content,
+				Sanitizer::decodeTagAttributes( $attributes ),
+				"<$element$attributes$close$content$tail" );
+		}
+		return $stripped;
+	}
+
+	/**
+	 * Strips and renders nowiki, pre, math, hiero
+	 * If $render is set, performs necessary rendering operations on plugins
+	 * Returns the text, and fills an array with data needed in unstrip()
+	 * If the $state is already a valid strip state, it adds to the state
+	 *
+	 * @param bool $stripcomments when set, HTML comments <!-- like this -->
+	 *  will be stripped in addition to other tags. This is important
+	 *  for section editing, where these comments cause confusion when
+	 *  counting the sections in the wikisource
+	 * 
+	 * @param array dontstrip contains tags which should not be stripped;
+	 *  used to prevent stipping of <gallery> when saving (fixes bug 2700)
+	 *
+	 * @private
+	 */
+	function strip( $text, &$state, $stripcomments = false , $dontstrip = array () ) {
+		$render = ($this->mOutputType == OT_HTML);
+
+		# Replace any instances of the placeholders
+		$uniq_prefix = $this->mUniqPrefix;
+		#$text = str_replace( $uniq_prefix, wfHtmlEscapeFirst( $uniq_prefix ), $text );
+		$commentState = array();
+		
+		$elements = array_merge(
+			array( 'nowiki', 'gallery' ),
+			array_keys( $this->mTagHooks ) );
+		global $wgRawHtml;
+		if( $wgRawHtml ) {
+			$elements[] = 'html';
+		}
+		if( $this->mOptions->getUseTeX() ) {
+			$elements[] = 'math';
+		}
+		
+		# Removing $dontstrip tags from $elements list (currently only 'gallery', fixing bug 2700)
+		foreach ( $elements AS $k => $v ) {
+			if ( !in_array ( $v , $dontstrip ) ) continue;
+			unset ( $elements[$k] );
+		}
+		
+		$matches = array();
+		$text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
+
+		foreach( $matches as $marker => $data ) {
+			list( $element, $content, $params, $tag ) = $data;
+			if( $render ) {
+				$tagName = strtolower( $element );
+				switch( $tagName ) {
+				case '!--':
+					// Comment
+					if( substr( $tag, -3 ) == '-->' ) {
+						$output = $tag;
+					} else {
+						// Unclosed comment in input.
+						// Close it so later stripping can remove it
+						$output = "$tag-->";
+					}
+					break;
+				case 'html':
+					if( $wgRawHtml ) {
+						$output = $content;
+						break;
+					}
+					// Shouldn't happen otherwise. :)
+				case 'nowiki':
+					$output = wfEscapeHTMLTagsOnly( $content );
+					break;
+				case 'math':
+					$output = MathRenderer::renderMath( $content );
+					break;
+				case 'gallery':
+					$output = $this->renderImageGallery( $content, $params );
+					break;
+				default:
+					if( isset( $this->mTagHooks[$tagName] ) ) {
+						$output = call_user_func_array( $this->mTagHooks[$tagName],
+							array( $content, $params, $this ) );
+					} else {
+						throw new MWException( "Invalid call hook $element" );
+					}
+				}
+			} else {
+				// Just stripping tags; keep the source
+				$output = $tag;
+			}
+			if( !$stripcomments && $element == '!--' ) {
+				$commentState[$marker] = $output;
+			} else {
+				$state[$element][$marker] = $output;
+			}
+		}
+		
+		# Unstrip comments unless explicitly told otherwise.
+		# (The comments are always stripped prior to this point, so as to
+		# not invoke any extension tags / parser hooks contained within
+		# a comment.)
+		if ( !$stripcomments ) {
+			// Put them all back and forget them
+			$text = strtr( $text, $commentState );
+		}
+
+		return $text;
+	}
+
+	/**
+	 * Restores pre, math, and other extensions removed by strip()
+	 *
+	 * always call unstripNoWiki() after this one
+	 * @private
+	 */
+	function unstrip( $text, &$state ) {
+		if ( !is_array( $state ) ) {
+			return $text;
+		}
+
+		$replacements = array();
+		foreach( $state as $tag => $contentDict ) {
+			if( $tag != 'nowiki' && $tag != 'html' ) {
+				foreach( $contentDict as $uniq => $content ) {
+					$replacements[$uniq] = $content;
+				}
+			}
+		}
+		$text = strtr( $text, $replacements );
+
+		return $text;
+	}
+
+	/**
+	 * Always call this after unstrip() to preserve the order
+	 *
+	 * @private
+	 */
+	function unstripNoWiki( $text, &$state ) {
+		if ( !is_array( $state ) ) {
+			return $text;
+		}
+
+		$replacements = array();
+		foreach( $state as $tag => $contentDict ) {
+			if( $tag == 'nowiki' || $tag == 'html' ) {
+				foreach( $contentDict as $uniq => $content ) {
+					$replacements[$uniq] = $content;
+				}
+			}
+		}
+		$text = strtr( $text, $replacements );
+
+		return $text;
+	}
+
+	/**
+	 * Add an item to the strip state
+	 * Returns the unique tag which must be inserted into the stripped text
+	 * The tag will be replaced with the original text in unstrip()
+	 *
+	 * @private
+	 */
+	function insertStripItem( $text, &$state ) {
+		$rnd = $this->mUniqPrefix . '-item' . Parser::getRandomString();
+		if ( !$state ) {
+			$state = array();
+		}
+		$state['item'][$rnd] = $text;
+		return $rnd;
+	}
+
+	/**
+	 * Interface with html tidy, used if $wgUseTidy = true.
+	 * If tidy isn't able to correct the markup, the original will be
+	 * returned in all its glory with a warning comment appended.
+	 *
+	 * Either the external tidy program or the in-process tidy extension
+	 * will be used depending on availability. Override the default
+	 * $wgTidyInternal setting to disable the internal if it's not working.
+	 *
+	 * @param string $text Hideous HTML input
+	 * @return string Corrected HTML output
+	 * @public
+	 * @static
+	 */
+	function tidy( $text ) {
+		global $wgTidyInternal;
+		$wrappedtext = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"'.
+' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>'.
+'<head><title>test</title></head><body>'.$text.'</body></html>';
+		if( $wgTidyInternal ) {
+			$correctedtext = Parser::internalTidy( $wrappedtext );
+		} else {
+			$correctedtext = Parser::externalTidy( $wrappedtext );
+		}
+		if( is_null( $correctedtext ) ) {
+			wfDebug( "Tidy error detected!\n" );
+			return $text . "\n<!-- Tidy found serious XHTML errors -->\n";
+		}
+		return $correctedtext;
+	}
+
+	/**
+	 * Spawn an external HTML tidy process and get corrected markup back from it.
+	 *
+	 * @private
+	 * @static
+	 */
+	function externalTidy( $text ) {
+		global $wgTidyConf, $wgTidyBin, $wgTidyOpts;
+		$fname = 'Parser::externalTidy';
+		wfProfileIn( $fname );
+
+		$cleansource = '';
+		$opts = ' -utf8';
+
+		$descriptorspec = array(
+			0 => array('pipe', 'r'),
+			1 => array('pipe', 'w'),
+			2 => array('file', '/dev/null', 'a')
+		);
+		$pipes = array();
+		$process = proc_open("$wgTidyBin -config $wgTidyConf $wgTidyOpts$opts", $descriptorspec, $pipes);
+		if (is_resource($process)) {
+			// Theoretically, this style of communication could cause a deadlock
+			// here. If the stdout buffer fills up, then writes to stdin could
+			// block. This doesn't appear to happen with tidy, because tidy only
+			// writes to stdout after it's finished reading from stdin. Search
+			// for tidyParseStdin and tidySaveStdout in console/tidy.c
+			fwrite($pipes[0], $text);
+			fclose($pipes[0]);
+			while (!feof($pipes[1])) {
+				$cleansource .= fgets($pipes[1], 1024);
+			}
+			fclose($pipes[1]);
+			proc_close($process);
+		}
+
+		wfProfileOut( $fname );
+
+		if( $cleansource == '' && $text != '') {
+			// Some kind of error happened, so we couldn't get the corrected text.
+			// Just give up; we'll use the source text and append a warning.
+			return null;
+		} else {
+			return $cleansource;
+		}
+	}
+
+	/**
+	 * Use the HTML tidy PECL extension to use the tidy library in-process,
+	 * saving the overhead of spawning a new process. Currently written to
+	 * the PHP 4.3.x version of the extension, may not work on PHP 5.
+	 *
+	 * 'pear install tidy' should be able to compile the extension module.
+	 *
+	 * @private
+	 * @static
+	 */
+	function internalTidy( $text ) {
+		global $wgTidyConf;
+		$fname = 'Parser::internalTidy';
+		wfProfileIn( $fname );
+
+		tidy_load_config( $wgTidyConf );
+		tidy_set_encoding( 'utf8' );
+		tidy_parse_string( $text );
+		tidy_clean_repair();
+		if( tidy_get_status() == 2 ) {
+			// 2 is magic number for fatal error
+			// http://www.php.net/manual/en/function.tidy-get-status.php
+			$cleansource = null;
+		} else {
+			$cleansource = tidy_get_output();
+		}
+		wfProfileOut( $fname );
+		return $cleansource;
+	}
+
+	/**
+	 * parse the wiki syntax used to render tables
+	 *
+	 * @private
+	 */
+	function doTableStuff ( $t ) {
+		$fname = 'Parser::doTableStuff';
+		wfProfileIn( $fname );
+
+		$t = explode ( "\n" , $t ) ;
+		$td = array () ; # Is currently a td tag open?
+		$ltd = array () ; # Was it TD or TH?
+		$tr = array () ; # Is currently a tr tag open?
+		$ltr = array () ; # tr attributes
+		$has_opened_tr = array(); # Did this table open a <tr> element?
+		$indent_level = 0; # indent level of the table
+		foreach ( $t AS $k => $x )
+		{
+			$x = trim ( $x ) ;
+			$fc = substr ( $x , 0 , 1 ) ;
+			if ( preg_match( '/^(:*)\{\|(.*)$/', $x, $matches ) ) {
+				$indent_level = strlen( $matches[1] );
+
+				$attributes = $this->unstripForHTML( $matches[2] );
+
+				$t[$k] = str_repeat( '<dl><dd>', $indent_level ) .
+					'<table' . Sanitizer::fixTagAttributes ( $attributes, 'table' ) . '>' ;
+				array_push ( $td , false ) ;
+				array_push ( $ltd , '' ) ;
+				array_push ( $tr , false ) ;
+				array_push ( $ltr , '' ) ;
+				array_push ( $has_opened_tr, false );
+			}
+			else if ( count ( $td ) == 0 ) { } # Don't do any of the following
+			else if ( '|}' == substr ( $x , 0 , 2 ) ) {
+				$z = "</table>" . substr ( $x , 2);
+				$l = array_pop ( $ltd ) ;
+				if ( !array_pop ( $has_opened_tr ) ) $z = "<tr><td></td></tr>" . $z ;
+				if ( array_pop ( $tr ) ) $z = '</tr>' . $z ;
+				if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
+				array_pop ( $ltr ) ;
+				$t[$k] = $z . str_repeat( '</dd></dl>', $indent_level );
+			}
+			else if ( '|-' == substr ( $x , 0 , 2 ) ) { # Allows for |---------------
+				$x = substr ( $x , 1 ) ;
+				while ( $x != '' && substr ( $x , 0 , 1 ) == '-' ) $x = substr ( $x , 1 ) ;
+				$z = '' ;
+				$l = array_pop ( $ltd ) ;
+				array_pop ( $has_opened_tr );
+				array_push ( $has_opened_tr , true ) ;
+				if ( array_pop ( $tr ) ) $z = '</tr>' . $z ;
+				if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
+				array_pop ( $ltr ) ;
+				$t[$k] = $z ;
+				array_push ( $tr , false ) ;
+				array_push ( $td , false ) ;
+				array_push ( $ltd , '' ) ;
+				$attributes = $this->unstripForHTML( $x );
+				array_push ( $ltr , Sanitizer::fixTagAttributes ( $attributes, 'tr' ) ) ;
+			}
+			else if ( '|' == $fc || '!' == $fc || '|+' == substr ( $x , 0 , 2 ) ) { # Caption
+				# $x is a table row
+				if ( '|+' == substr ( $x , 0 , 2 ) ) {
+					$fc = '+' ;
+					$x = substr ( $x , 1 ) ;
+				}
+				$after = substr ( $x , 1 ) ;
+				if ( $fc == '!' ) $after = str_replace ( '!!' , '||' , $after ) ;
+				
+				// Split up multiple cells on the same line.
+				// FIXME: This can result in improper nesting of tags processed
+				// by earlier parser steps, but should avoid splitting up eg
+				// attribute values containing literal "||".
+				$after = wfExplodeMarkup( '||', $after );
+				
+				$t[$k] = '' ;
+
+				# Loop through each table cell
+				foreach ( $after AS $theline )
+				{
+					$z = '' ;
+					if ( $fc != '+' )
+					{
+						$tra = array_pop ( $ltr ) ;
+						if ( !array_pop ( $tr ) ) $z = '<tr'.$tra.">\n" ;
+						array_push ( $tr , true ) ;
+						array_push ( $ltr , '' ) ;
+						array_pop ( $has_opened_tr );
+						array_push ( $has_opened_tr , true ) ;
+					}
+
+					$l = array_pop ( $ltd ) ;
+					if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
+					if ( $fc == '|' ) $l = 'td' ;
+					else if ( $fc == '!' ) $l = 'th' ;
+					else if ( $fc == '+' ) $l = 'caption' ;
+					else $l = '' ;
+					array_push ( $ltd , $l ) ;
+
+					# Cell parameters
+					$y = explode ( '|' , $theline , 2 ) ;
+					# Note that a '|' inside an invalid link should not
+					# be mistaken as delimiting cell parameters
+					if ( strpos( $y[0], '[[' ) !== false ) {
+						$y = array ($theline);
+					}
+					if ( count ( $y ) == 1 )
+						$y = "{$z}<{$l}>{$y[0]}" ;
+					else {
+						$attributes = $this->unstripForHTML( $y[0] );
+						$y = "{$z}<{$l}".Sanitizer::fixTagAttributes($attributes, $l).">{$y[1]}" ;
+					}
+					$t[$k] .= $y ;
+					array_push ( $td , true ) ;
+				}
+			}
+		}
+
+		# Closing open td, tr && table
+		while ( count ( $td ) > 0 )
+		{
+			$l = array_pop ( $ltd ) ;
+			if ( array_pop ( $td ) ) $t[] = '</td>' ;
+			if ( array_pop ( $tr ) ) $t[] = '</tr>' ;
+			if ( !array_pop ( $has_opened_tr ) ) $t[] = "<tr><td></td></tr>" ;
+			$t[] = '</table>' ;
+		}
+
+		$t = implode ( "\n" , $t ) ;
+		# special case: don't return empty table
+		if($t == "<table>\n<tr><td></td></tr>\n</table>")
+			$t = '';
+		wfProfileOut( $fname );
+		return $t ;
+	}
+
+	/**
+	 * Helper function for parse() that transforms wiki markup into
+	 * HTML. Only called for $mOutputType == OT_HTML.
+	 *
+	 * @private
+	 */
+	function internalParse( $text ) {
+		$args = array();
+		$isMain = true;
+		$fname = 'Parser::internalParse';
+		wfProfileIn( $fname );
+
+		# Remove <noinclude> tags and <includeonly> sections
+		$text = strtr( $text, array( '<onlyinclude>' => '' , '</onlyinclude>' => '' ) );
+		$text = strtr( $text, array( '<noinclude>' => '', '</noinclude>' => '') );
+		$text = preg_replace( '/<includeonly>.*?<\/includeonly>/s', '', $text );
+		
+		$text = Sanitizer::removeHTMLtags( $text, array( &$this, 'attributeStripCallback' ) );
+
+		$text = $this->replaceVariables( $text, $args );
+
+		// Tables need to come after variable replacement for things to work
+		// properly; putting them before other transformations should keep
+		// exciting things like link expansions from showing up in surprising
+		// places.
+		$text = $this->doTableStuff( $text );
+
+		$text = preg_replace( '/(^|\n)-----*/', '\\1<hr />', $text );
+
+		$text = $this->stripToc( $text );
+		$this->stripNoGallery( $text );
+		$text = $this->doHeadings( $text );
+		if($this->mOptions->getUseDynamicDates()) {
+			$df =& DateFormatter::getInstance();
+			$text = $df->reformat( $this->mOptions->getDateFormat(), $text );
+		}
+		$text = $this->doAllQuotes( $text );
+		$text = $this->replaceInternalLinks( $text );
+		$text = $this->replaceExternalLinks( $text );
+
+		# replaceInternalLinks may sometimes leave behind
+		# absolute URLs, which have to be masked to hide them from replaceExternalLinks
+		$text = str_replace($this->mUniqPrefix."NOPARSE", "", $text);
+
+		$text = $this->doMagicLinks( $text );
+		$text = $this->formatHeadings( $text, $isMain );
+
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/**
+	 * Replace special strings like "ISBN xxx" and "RFC xxx" with
+	 * magic external links.
+	 *
+	 * @private
+	 */
+	function &doMagicLinks( &$text ) {
+		$text = $this->magicISBN( $text );
+		$text = $this->magicRFC( $text, 'RFC ', 'rfcurl' );
+		$text = $this->magicRFC( $text, 'PMID ', 'pubmedurl' );
+		return $text;
+	}
+
+	/**
+	 * Parse headers and return html
+	 *
+	 * @private
+	 */
+	function doHeadings( $text ) {
+		$fname = 'Parser::doHeadings';
+		wfProfileIn( $fname );
+		for ( $i = 6; $i >= 1; --$i ) {
+			$h = str_repeat( '=', $i );
+			$text = preg_replace( "/^{$h}(.+){$h}\\s*$/m",
+			  "<h{$i}>\\1</h{$i}>\\2", $text );
+		}
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/**
+	 * Replace single quotes with HTML markup
+	 * @private
+	 * @return string the altered text
+	 */
+	function doAllQuotes( $text ) {
+		$fname = 'Parser::doAllQuotes';
+		wfProfileIn( $fname );
+		$outtext = '';
+		$lines = explode( "\n", $text );
+		foreach ( $lines as $line ) {
+			$outtext .= $this->doQuotes ( $line ) . "\n";
+		}
+		$outtext = substr($outtext, 0,-1);
+		wfProfileOut( $fname );
+		return $outtext;
+	}
+
+	/**
+	 * Helper function for doAllQuotes()
+	 * @private
+	 */
+	function doQuotes( $text ) {
+		$arr = preg_split( "/(''+)/", $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+		if ( count( $arr ) == 1 )
+			return $text;
+		else
+		{
+			# First, do some preliminary work. This may shift some apostrophes from
+			# being mark-up to being text. It also counts the number of occurrences
+			# of bold and italics mark-ups.
+			$i = 0;
+			$numbold = 0;
+			$numitalics = 0;
+			foreach ( $arr as $r )
+			{
+				if ( ( $i % 2 ) == 1 )
+				{
+					# If there are ever four apostrophes, assume the first is supposed to
+					# be text, and the remaining three constitute mark-up for bold text.
+					if ( strlen( $arr[$i] ) == 4 )
+					{
+						$arr[$i-1] .= "'";
+						$arr[$i] = "'''";
+					}
+					# If there are more than 5 apostrophes in a row, assume they're all
+					# text except for the last 5.
+					else if ( strlen( $arr[$i] ) > 5 )
+					{
+						$arr[$i-1] .= str_repeat( "'", strlen( $arr[$i] ) - 5 );
+						$arr[$i] = "'''''";
+					}
+					# Count the number of occurrences of bold and italics mark-ups.
+					# We are not counting sequences of five apostrophes.
+					if ( strlen( $arr[$i] ) == 2 ) $numitalics++;  else
+					if ( strlen( $arr[$i] ) == 3 ) $numbold++;     else
+					if ( strlen( $arr[$i] ) == 5 ) { $numitalics++; $numbold++; }
+				}
+				$i++;
+			}
+
+			# If there is an odd number of both bold and italics, it is likely
+			# that one of the bold ones was meant to be an apostrophe followed
+			# by italics. Which one we cannot know for certain, but it is more
+			# likely to be one that has a single-letter word before it.
+			if ( ( $numbold % 2 == 1 ) && ( $numitalics % 2 == 1 ) )
+			{
+				$i = 0;
+				$firstsingleletterword = -1;
+				$firstmultiletterword = -1;
+				$firstspace = -1;
+				foreach ( $arr as $r )
+				{
+					if ( ( $i % 2 == 1 ) and ( strlen( $r ) == 3 ) )
+					{
+						$x1 = substr ($arr[$i-1], -1);
+						$x2 = substr ($arr[$i-1], -2, 1);
+						if ($x1 == ' ') {
+							if ($firstspace == -1) $firstspace = $i;
+						} else if ($x2 == ' ') {
+							if ($firstsingleletterword == -1) $firstsingleletterword = $i;
+						} else {
+							if ($firstmultiletterword == -1) $firstmultiletterword = $i;
+						}
+					}
+					$i++;
+				}
+
+				# If there is a single-letter word, use it!
+				if ($firstsingleletterword > -1)
+				{
+					$arr [ $firstsingleletterword ] = "''";
+					$arr [ $firstsingleletterword-1 ] .= "'";
+				}
+				# If not, but there's a multi-letter word, use that one.
+				else if ($firstmultiletterword > -1)
+				{
+					$arr [ $firstmultiletterword ] = "''";
+					$arr [ $firstmultiletterword-1 ] .= "'";
+				}
+				# ... otherwise use the first one that has neither.
+				# (notice that it is possible for all three to be -1 if, for example,
+				# there is only one pentuple-apostrophe in the line)
+				else if ($firstspace > -1)
+				{
+					$arr [ $firstspace ] = "''";
+					$arr [ $firstspace-1 ] .= "'";
+				}
+			}
+
+			# Now let's actually convert our apostrophic mush to HTML!
+			$output = '';
+			$buffer = '';
+			$state = '';
+			$i = 0;
+			foreach ($arr as $r)
+			{
+				if (($i % 2) == 0)
+				{
+					if ($state == 'both')
+						$buffer .= $r;
+					else
+						$output .= $r;
+				}
+				else
+				{
+					if (strlen ($r) == 2)
+					{
+						if ($state == 'i')
+						{ $output .= '</i>'; $state = ''; }
+						else if ($state == 'bi')
+						{ $output .= '</i>'; $state = 'b'; }
+						else if ($state == 'ib')
+						{ $output .= '</b></i><b>'; $state = 'b'; }
+						else if ($state == 'both')
+						{ $output .= '<b><i>'.$buffer.'</i>'; $state = 'b'; }
+						else # $state can be 'b' or ''
+						{ $output .= '<i>'; $state .= 'i'; }
+					}
+					else if (strlen ($r) == 3)
+					{
+						if ($state == 'b')
+						{ $output .= '</b>'; $state = ''; }
+						else if ($state == 'bi')
+						{ $output .= '</i></b><i>'; $state = 'i'; }
+						else if ($state == 'ib')
+						{ $output .= '</b>'; $state = 'i'; }
+						else if ($state == 'both')
+						{ $output .= '<i><b>'.$buffer.'</b>'; $state = 'i'; }
+						else # $state can be 'i' or ''
+						{ $output .= '<b>'; $state .= 'b'; }
+					}
+					else if (strlen ($r) == 5)
+					{
+						if ($state == 'b')
+						{ $output .= '</b><i>'; $state = 'i'; }
+						else if ($state == 'i')
+						{ $output .= '</i><b>'; $state = 'b'; }
+						else if ($state == 'bi')
+						{ $output .= '</i></b>'; $state = ''; }
+						else if ($state == 'ib')
+						{ $output .= '</b></i>'; $state = ''; }
+						else if ($state == 'both')
+						{ $output .= '<i><b>'.$buffer.'</b></i>'; $state = ''; }
+						else # ($state == '')
+						{ $buffer = ''; $state = 'both'; }
+					}
+				}
+				$i++;
+			}
+			# Now close all remaining tags.  Notice that the order is important.
+			if ($state == 'b' || $state == 'ib')
+				$output .= '</b>';
+			if ($state == 'i' || $state == 'bi' || $state == 'ib')
+				$output .= '</i>';
+			if ($state == 'bi')
+				$output .= '</b>';
+			if ($state == 'both')
+				$output .= '<b><i>'.$buffer.'</i></b>';
+			return $output;
+		}
+	}
+
+	/**
+	 * Replace external links
+	 *
+ 	 * Note: this is all very hackish and the order of execution matters a lot.
+	 * Make sure to run maintenance/parserTests.php if you change this code.
+	 *
+	 * @private
+	 */
+	function replaceExternalLinks( $text ) {
+		global $wgContLang;
+		$fname = 'Parser::replaceExternalLinks';
+		wfProfileIn( $fname );
+
+		$sk =& $this->mOptions->getSkin();
+
+		$bits = preg_split( EXT_LINK_BRACKETED, $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+
+		$s = $this->replaceFreeExternalLinks( array_shift( $bits ) );
+
+		$i = 0;
+		while ( $i<count( $bits ) ) {
+			$url = $bits[$i++];
+			$protocol = $bits[$i++];
+			$text = $bits[$i++];
+			$trail = $bits[$i++];
+
+			# The characters '<' and '>' (which were escaped by
+			# removeHTMLtags()) should not be included in
+			# URLs, per RFC 2396.
+			if (preg_match('/&(lt|gt);/', $url, $m2, PREG_OFFSET_CAPTURE)) {
+				$text = substr($url, $m2[0][1]) . ' ' . $text;
+				$url = substr($url, 0, $m2[0][1]);
+			}
+
+			# If the link text is an image URL, replace it with an <img> tag
+			# This happened by accident in the original parser, but some people used it extensively
+			$img = $this->maybeMakeExternalImage( $text );
+			if ( $img !== false ) {
+				$text = $img;
+			}
+
+			$dtrail = '';
+
+			# Set linktype for CSS - if URL==text, link is essentially free
+			$linktype = ($text == $url) ? 'free' : 'text';
+
+			# No link text, e.g. [http://domain.tld/some.link]
+			if ( $text == '' ) {
+				# Autonumber if allowed. See bug #5918
+				if ( strpos( wfUrlProtocols(), substr($protocol, 0, strpos($protocol, ':')) ) !== false ) {
+					$text = '[' . ++$this->mAutonumber . ']';
+					$linktype = 'autonumber';
+				} else {
+					# Otherwise just use the URL
+					$text = htmlspecialchars( $url );
+					$linktype = 'free';
+				}
+			} else {
+				# Have link text, e.g. [http://domain.tld/some.link text]s
+				# Check for trail
+				list( $dtrail, $trail ) = Linker::splitTrail( $trail );
+			}
+
+			$text = $wgContLang->markNoConversion($text);
+
+			# Normalize any HTML entities in input. They will be
+			# re-escaped by makeExternalLink().
+			$url = Sanitizer::decodeCharReferences( $url );
+			
+			# Escape any control characters introduced by the above step
+			$url = preg_replace( '/[\][<>"\\x00-\\x20\\x7F]/e', "urlencode('\\0')", $url );
+
+			# Process the trail (i.e. everything after this link up until start of the next link),
+			# replacing any non-bracketed links
+			$trail = $this->replaceFreeExternalLinks( $trail );
+
+			# Use the encoded URL
+			# This means that users can paste URLs directly into the text
+			# Funny characters like &ouml; aren't valid in URLs anyway
+			# This was changed in August 2004
+			$s .= $sk->makeExternalLink( $url, $text, false, $linktype, $this->mTitle->getNamespace() ) . $dtrail . $trail;
+
+			# Register link in the output object.
+			# Replace unnecessary URL escape codes with the referenced character
+			# This prevents spammers from hiding links from the filters
+			$pasteurized = Parser::replaceUnusualEscapes( $url );
+			$this->mOutput->addExternalLink( $pasteurized );
+		}
+
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+	/**
+	 * Replace anything that looks like a URL with a link
+	 * @private
+	 */
+	function replaceFreeExternalLinks( $text ) {
+		global $wgContLang;
+		$fname = 'Parser::replaceFreeExternalLinks';
+		wfProfileIn( $fname );
+
+		$bits = preg_split( '/(\b(?:' . wfUrlProtocols() . '))/S', $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+		$s = array_shift( $bits );
+		$i = 0;
+
+		$sk =& $this->mOptions->getSkin();
+
+		while ( $i < count( $bits ) ){
+			$protocol = $bits[$i++];
+			$remainder = $bits[$i++];
+
+			if ( preg_match( '/^('.EXT_LINK_URL_CLASS.'+)(.*)$/s', $remainder, $m ) ) {
+				# Found some characters after the protocol that look promising
+				$url = $protocol . $m[1];
+				$trail = $m[2];
+
+				# special case: handle urls as url args:
+				# http://www.example.com/foo?=http://www.example.com/bar
+				if(strlen($trail) == 0 && 
+					isset($bits[$i]) &&
+					preg_match('/^'. wfUrlProtocols() . '$/S', $bits[$i]) &&
+					preg_match( '/^('.EXT_LINK_URL_CLASS.'+)(.*)$/s', $bits[$i + 1], $m )) 
+				{
+					# add protocol, arg
+					$url .= $bits[$i] . $m[1]; # protocol, url as arg to previous link
+					$i += 2;
+					$trail = $m[2];
+				}
+
+				# The characters '<' and '>' (which were escaped by
+				# removeHTMLtags()) should not be included in
+				# URLs, per RFC 2396.
+				if (preg_match('/&(lt|gt);/', $url, $m2, PREG_OFFSET_CAPTURE)) {
+					$trail = substr($url, $m2[0][1]) . $trail;
+					$url = substr($url, 0, $m2[0][1]);
+				}
+
+				# Move trailing punctuation to $trail
+				$sep = ',;\.:!?';
+				# If there is no left bracket, then consider right brackets fair game too
+				if ( strpos( $url, '(' ) === false ) {
+					$sep .= ')';
+				}
+
+				$numSepChars = strspn( strrev( $url ), $sep );
+				if ( $numSepChars ) {
+					$trail = substr( $url, -$numSepChars ) . $trail;
+					$url = substr( $url, 0, -$numSepChars );
+				}
+
+				# Normalize any HTML entities in input. They will be
+				# re-escaped by makeExternalLink() or maybeMakeExternalImage()
+				$url = Sanitizer::decodeCharReferences( $url );
+				
+				# Escape any control characters introduced by the above step
+				$url = preg_replace( '/[\][<>"\\x00-\\x20\\x7F]/e', "urlencode('\\0')", $url );
+
+				# Is this an external image?
+				$text = $this->maybeMakeExternalImage( $url );
+				if ( $text === false ) {
+					# Not an image, make a link
+					$text = $sk->makeExternalLink( $url, $wgContLang->markNoConversion($url), true, 'free', $this->mTitle->getNamespace() );
+					# Register it in the output object...
+					# Replace unnecessary URL escape codes with their equivalent characters
+					$pasteurized = Parser::replaceUnusualEscapes( $url );
+					$this->mOutput->addExternalLink( $pasteurized );
+				}
+				$s .= $text . $trail;
+			} else {
+				$s .= $protocol . $remainder;
+			}
+		}
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+	/**
+	 * Replace unusual URL escape codes with their equivalent characters
+	 * @param string
+	 * @return string
+	 * @static
+	 * @fixme This can merge genuinely required bits in the path or query string,
+	 *        breaking legit URLs. A proper fix would treat the various parts of
+	 *        the URL differently; as a workaround, just use the output for
+	 *        statistical records, not for actual linking/output.
+	 */
+	function replaceUnusualEscapes( $url ) {
+		return preg_replace_callback( '/%[0-9A-Fa-f]{2}/',
+			array( 'Parser', 'replaceUnusualEscapesCallback' ), $url );
+	}
+
+	/**
+	 * Callback function used in replaceUnusualEscapes().
+	 * Replaces unusual URL escape codes with their equivalent character
+	 * @static
+	 * @private
+	 */
+	function replaceUnusualEscapesCallback( $matches ) {
+		$char = urldecode( $matches[0] );
+		$ord = ord( $char );
+		// Is it an unsafe or HTTP reserved character according to RFC 1738?
+		if ( $ord > 32 && $ord < 127 && strpos( '<>"#{}|\^~[]`;/?', $char ) === false ) {
+			// No, shouldn't be escaped
+			return $char;
+		} else {
+			// Yes, leave it escaped
+			return $matches[0];
+		}
+	}
+
+	/**
+	 * make an image if it's allowed, either through the global
+	 * option or through the exception
+	 * @private
+	 */
+	function maybeMakeExternalImage( $url ) {
+		$sk =& $this->mOptions->getSkin();
+		$imagesfrom = $this->mOptions->getAllowExternalImagesFrom();
+		$imagesexception = !empty($imagesfrom);
+		$text = false;
+		if ( $this->mOptions->getAllowExternalImages()
+		     || ( $imagesexception && strpos( $url, $imagesfrom ) === 0 ) ) {
+			if ( preg_match( EXT_IMAGE_REGEX, $url ) ) {
+				# Image found
+				$text = $sk->makeExternalImage( htmlspecialchars( $url ) );
+			}
+		}
+		return $text;
+	}
+
+	/**
+	 * Process [[ ]] wikilinks
+	 *
+	 * @private
+	 */
+	function replaceInternalLinks( $s ) {
+		global $wgContLang;
+		static $fname = 'Parser::replaceInternalLinks' ;
+
+		wfProfileIn( $fname );
+
+		wfProfileIn( $fname.'-setup' );
+		static $tc = FALSE;
+		# the % is needed to support urlencoded titles as well
+		if ( !$tc ) { $tc = Title::legalChars() . '#%'; }
+
+		$sk =& $this->mOptions->getSkin();
+
+		#split the entire text string on occurences of [[
+		$a = explode( '[[', ' ' . $s );
+		#get the first element (all text up to first [[), and remove the space we added
+		$s = array_shift( $a );
+		$s = substr( $s, 1 );
+
+		# Match a link having the form [[namespace:link|alternate]]trail
+		static $e1 = FALSE;
+		if ( !$e1 ) { $e1 = "/^([{$tc}]+)(?:\\|(.+?))?]](.*)\$/sD"; }
+		# Match cases where there is no "]]", which might still be images
+		static $e1_img = FALSE;
+		if ( !$e1_img ) { $e1_img = "/^([{$tc}]+)\\|(.*)\$/sD"; }
+		# Match the end of a line for a word that's not followed by whitespace,
+		# e.g. in the case of 'The Arab al[[Razi]]', 'al' will be matched
+		$e2 = wfMsgForContent( 'linkprefix' );
+
+		$useLinkPrefixExtension = $wgContLang->linkPrefixExtension();
+
+		if( is_null( $this->mTitle ) ) {
+			throw new MWException( 'nooo' );
+		}
+		$nottalk = !$this->mTitle->isTalkPage();
+
+		if ( $useLinkPrefixExtension ) {
+			if ( preg_match( $e2, $s, $m ) ) {
+				$first_prefix = $m[2];
+			} else {
+				$first_prefix = false;
+			}
+		} else {
+			$prefix = '';
+		}
+
+		$selflink = $this->mTitle->getPrefixedText();
+		wfProfileOut( $fname.'-setup' );
+
+		$checkVariantLink = sizeof($wgContLang->getVariants())>1;
+		$useSubpages = $this->areSubpagesAllowed();
+
+		# Loop for each link
+		for ($k = 0; isset( $a[$k] ); $k++) {
+			$line = $a[$k];
+			if ( $useLinkPrefixExtension ) {
+				wfProfileIn( $fname.'-prefixhandling' );
+				if ( preg_match( $e2, $s, $m ) ) {
+					$prefix = $m[2];
+					$s = $m[1];
+				} else {
+					$prefix='';
+				}
+				# first link
+				if($first_prefix) {
+					$prefix = $first_prefix;
+					$first_prefix = false;
+				}
+				wfProfileOut( $fname.'-prefixhandling' );
+			}
+
+			$might_be_img = false;
+
+			if ( preg_match( $e1, $line, $m ) ) { # page with normal text or alt
+				$text = $m[2];
+				# If we get a ] at the beginning of $m[3] that means we have a link that's something like:
+				# [[Image:Foo.jpg|[http://example.com desc]]] <- having three ] in a row fucks up,
+				# the real problem is with the $e1 regex
+				# See bug 1300.
+				#
+				# Still some problems for cases where the ] is meant to be outside punctuation,
+				# and no image is in sight. See bug 2095.
+				#
+				if( $text !== '' && 
+					preg_match( "/^\](.*)/s", $m[3], $n ) && 
+					strpos($text, '[') !== false 
+				) 
+				{
+					$text .= ']'; # so that replaceExternalLinks($text) works later
+					$m[3] = $n[1];
+				}
+				# fix up urlencoded title texts
+				if(preg_match('/%/', $m[1] )) 
+					# Should anchors '#' also be rejected?
+					$m[1] = str_replace( array('<', '>'), array('&lt;', '&gt;'), urldecode($m[1]) );
+				$trail = $m[3];
+			} elseif( preg_match($e1_img, $line, $m) ) { # Invalid, but might be an image with a link in its caption
+				$might_be_img = true;
+				$text = $m[2];
+				if(preg_match('/%/', $m[1] )) $m[1] = urldecode($m[1]);
+				$trail = "";
+			} else { # Invalid form; output directly
+				$s .= $prefix . '[[' . $line ;
+				continue;
+			}
+
+			# Don't allow internal links to pages containing
+			# PROTO: where PROTO is a valid URL protocol; these
+			# should be external links.
+			if (preg_match('/^(\b(?:' . wfUrlProtocols() . '))/', $m[1])) {
+				$s .= $prefix . '[[' . $line ;
+				continue;
+			}
+
+			# Make subpage if necessary
+			if( $useSubpages ) {
+				$link = $this->maybeDoSubpageLink( $m[1], $text );
+			} else {
+				$link = $m[1];
+			}
+
+			$noforce = (substr($m[1], 0, 1) != ':');
+			if (!$noforce) {
+				# Strip off leading ':'
+				$link = substr($link, 1);
+			}
+
+			$nt = Title::newFromText( $this->unstripNoWiki($link, $this->mStripState) );
+			if( !$nt ) {
+				$s .= $prefix . '[[' . $line;
+				continue;
+			}
+
+			#check other language variants of the link
+			#if the article does not exist
+			if( $checkVariantLink
+			    && $nt->getArticleID() == 0 ) {
+				$wgContLang->findVariantLink($link, $nt);
+			}
+
+			$ns = $nt->getNamespace();
+			$iw = $nt->getInterWiki();
+
+			if ($might_be_img) { # if this is actually an invalid link
+				if ($ns == NS_IMAGE && $noforce) { #but might be an image
+					$found = false;
+					while (isset ($a[$k+1]) ) {
+						#look at the next 'line' to see if we can close it there
+						$spliced = array_splice( $a, $k + 1, 1 );
+						$next_line = array_shift( $spliced );
+						if( preg_match("/^(.*?]].*?)]](.*)$/sD", $next_line, $m) ) {
+						# the first ]] closes the inner link, the second the image
+							$found = true;
+							$text .= '[[' . $m[1];
+							$trail = $m[2];
+							break;
+						} elseif( preg_match("/^.*?]].*$/sD", $next_line, $m) ) {
+							#if there's exactly one ]] that's fine, we'll keep looking
+							$text .= '[[' . $m[0];
+						} else {
+							#if $next_line is invalid too, we need look no further
+							$text .= '[[' . $next_line;
+							break;
+						}
+					}
+					if ( !$found ) {
+						# we couldn't find the end of this imageLink, so output it raw
+						#but don't ignore what might be perfectly normal links in the text we've examined
+						$text = $this->replaceInternalLinks($text);
+						$s .= $prefix . '[[' . $link . '|' . $text;
+						# note: no $trail, because without an end, there *is* no trail
+						continue;
+					}
+				} else { #it's not an image, so output it raw
+					$s .= $prefix . '[[' . $link . '|' . $text;
+					# note: no $trail, because without an end, there *is* no trail
+					continue;
+				}
+			}
+
+			$wasblank = ( '' == $text );
+			if( $wasblank ) $text = $link;
+
+
+			# Link not escaped by : , create the various objects
+			if( $noforce ) {
+
+				# Interwikis
+				if( $iw && $this->mOptions->getInterwikiMagic() && $nottalk && $wgContLang->getLanguageName( $iw ) ) {
+					$this->mOutput->addLanguageLink( $nt->getFullText() );
+					$s = rtrim($s . "\n");
+					$s .= trim($prefix . $trail, "\n") == '' ? '': $prefix . $trail;
+					continue;
+				}
+
+				if ( $ns == NS_IMAGE ) {
+					wfProfileIn( "$fname-image" );
+					if ( !wfIsBadImage( $nt->getDBkey() ) ) {
+						# recursively parse links inside the image caption
+						# actually, this will parse them in any other parameters, too,
+						# but it might be hard to fix that, and it doesn't matter ATM
+						$text = $this->replaceExternalLinks($text);
+						$text = $this->replaceInternalLinks($text);
+
+						# cloak any absolute URLs inside the image markup, so replaceExternalLinks() won't touch them
+						$s .= $prefix . $this->armorLinks( $this->makeImage( $nt, $text ) ) . $trail;
+						$this->mOutput->addImage( $nt->getDBkey() );
+
+						wfProfileOut( "$fname-image" );
+						continue;
+					} else {
+						# We still need to record the image's presence on the page
+						$this->mOutput->addImage( $nt->getDBkey() );
+					}
+					wfProfileOut( "$fname-image" );
+
+				}
+
+				if ( $ns == NS_CATEGORY ) {
+					wfProfileIn( "$fname-category" );
+					$s = rtrim($s . "\n"); # bug 87
+
+					if ( $wasblank ) {
+						if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
+							$sortkey = $this->mTitle->getText();
+						} else {
+							$sortkey = $this->mTitle->getPrefixedText();
+						}
+					} else {
+						$sortkey = $text;
+					}
+					$sortkey = Sanitizer::decodeCharReferences( $sortkey );
+					$sortkey = str_replace( "\n", '', $sortkey );
+					$sortkey = $wgContLang->convertCategoryKey( $sortkey );
+					$this->mOutput->addCategory( $nt->getDBkey(), $sortkey );
+
+					/**
+					 * Strip the whitespace Category links produce, see bug 87
+					 * @todo We might want to use trim($tmp, "\n") here.
+					 */
+					$s .= trim($prefix . $trail, "\n") == '' ? '': $prefix . $trail;
+
+					wfProfileOut( "$fname-category" );
+					continue;
+				}
+			}
+
+			if( ( $nt->getPrefixedText() === $selflink ) &&
+			    ( $nt->getFragment() === '' ) ) {
+				# Self-links are handled specially; generally de-link and change to bold.
+				$s .= $prefix . $sk->makeSelfLinkObj( $nt, $text, '', $trail );
+				continue;
+			}
+
+			# Special and Media are pseudo-namespaces; no pages actually exist in them
+			if( $ns == NS_MEDIA ) {
+				$link = $sk->makeMediaLinkObj( $nt, $text );
+				# Cloak with NOPARSE to avoid replacement in replaceExternalLinks
+				$s .= $prefix . $this->armorLinks( $link ) . $trail;
+				$this->mOutput->addImage( $nt->getDBkey() );
+				continue;
+			} elseif( $ns == NS_SPECIAL ) {
+				$s .= $this->makeKnownLinkHolder( $nt, $text, '', $trail, $prefix );
+				continue;
+			} elseif( $ns == NS_IMAGE ) {
+				$img = Image::newFromTitle( $nt );
+				if( $img->exists() ) {
+					// Force a blue link if the file exists; may be a remote
+					// upload on the shared repository, and we want to see its
+					// auto-generated page.
+					$s .= $this->makeKnownLinkHolder( $nt, $text, '', $trail, $prefix );
+					continue;
+				}
+			}
+			$s .= $this->makeLinkHolder( $nt, $text, '', $trail, $prefix );
+		}
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+	/**
+	 * Make a link placeholder. The text returned can be later resolved to a real link with
+	 * replaceLinkHolders(). This is done for two reasons: firstly to avoid further
+	 * parsing of interwiki links, and secondly to allow all extistence checks and
+	 * article length checks (for stub links) to be bundled into a single query.
+	 *
+	 */
+	function makeLinkHolder( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		if ( ! is_object($nt) ) {
+			# Fail gracefully
+			$retVal = "<!-- ERROR -->{$prefix}{$text}{$trail}";
+		} else {
+			# Separate the link trail from the rest of the link
+			list( $inside, $trail ) = Linker::splitTrail( $trail );
+
+			if ( $nt->isExternal() ) {
+				$nr = array_push( $this->mInterwikiLinkHolders['texts'], $prefix.$text.$inside );
+				$this->mInterwikiLinkHolders['titles'][] = $nt;
+				$retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
+			} else {
+				$nr = array_push( $this->mLinkHolders['namespaces'], $nt->getNamespace() );
+				$this->mLinkHolders['dbkeys'][] = $nt->getDBkey();
+				$this->mLinkHolders['queries'][] = $query;
+				$this->mLinkHolders['texts'][] = $prefix.$text.$inside;
+				$this->mLinkHolders['titles'][] = $nt;
+
+				$retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
+			}
+		}
+		return $retVal;
+	}
+
+	/**
+	 * Render a forced-blue link inline; protect against double expansion of
+	 * URLs if we're in a mode that prepends full URL prefixes to internal links.
+	 * Since this little disaster has to split off the trail text to avoid
+	 * breaking URLs in the following text without breaking trails on the
+	 * wiki links, it's been made into a horrible function.
+	 *
+	 * @param Title $nt
+	 * @param string $text
+	 * @param string $query
+	 * @param string $trail
+	 * @param string $prefix
+	 * @return string HTML-wikitext mix oh yuck
+	 */
+	function makeKnownLinkHolder( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		list( $inside, $trail ) = Linker::splitTrail( $trail );
+		$sk =& $this->mOptions->getSkin();
+		$link = $sk->makeKnownLinkObj( $nt, $text, $query, $inside, $prefix );
+		return $this->armorLinks( $link ) . $trail;
+	}
+
+	/**
+	 * Insert a NOPARSE hacky thing into any inline links in a chunk that's
+	 * going to go through further parsing steps before inline URL expansion.
+	 *
+	 * In particular this is important when using action=render, which causes
+	 * full URLs to be included.
+	 *
+	 * Oh man I hate our multi-layer parser!
+	 *
+	 * @param string more-or-less HTML
+	 * @return string less-or-more HTML with NOPARSE bits
+	 */
+	function armorLinks( $text ) {
+		return preg_replace( "/\b(" . wfUrlProtocols() . ')/',
+			"{$this->mUniqPrefix}NOPARSE$1", $text );
+	}
+
+	/**
+	 * Return true if subpage links should be expanded on this page.
+	 * @return bool
+	 */
+	function areSubpagesAllowed() {
+		# Some namespaces don't allow subpages
+		global $wgNamespacesWithSubpages;
+		return !empty($wgNamespacesWithSubpages[$this->mTitle->getNamespace()]);
+	}
+
+	/**
+	 * Handle link to subpage if necessary
+	 * @param string $target the source of the link
+	 * @param string &$text the link text, modified as necessary
+	 * @return string the full name of the link
+	 * @private
+	 */
+	function maybeDoSubpageLink($target, &$text) {
+		# Valid link forms:
+		# Foobar -- normal
+		# :Foobar -- override special treatment of prefix (images, language links)
+		# /Foobar -- convert to CurrentPage/Foobar
+		# /Foobar/ -- convert to CurrentPage/Foobar, strip the initial / from text
+		# ../ -- convert to CurrentPage, from CurrentPage/CurrentSubPage
+		# ../Foobar -- convert to CurrentPage/Foobar, from CurrentPage/CurrentSubPage
+
+		$fname = 'Parser::maybeDoSubpageLink';
+		wfProfileIn( $fname );
+		$ret = $target; # default return value is no change
+
+		# Some namespaces don't allow subpages,
+		# so only perform processing if subpages are allowed
+		if( $this->areSubpagesAllowed() ) {
+			# Look at the first character
+			if( $target != '' && $target{0} == '/' ) {
+				# / at end means we don't want the slash to be shown
+				if( substr( $target, -1, 1 ) == '/' ) {
+					$target = substr( $target, 1, -1 );
+					$noslash = $target;
+				} else {
+					$noslash = substr( $target, 1 );
+				}
+
+				$ret = $this->mTitle->getPrefixedText(). '/' . trim($noslash);
+				if( '' === $text ) {
+					$text = $target;
+				} # this might be changed for ugliness reasons
+			} else {
+				# check for .. subpage backlinks
+				$dotdotcount = 0;
+				$nodotdot = $target;
+				while( strncmp( $nodotdot, "../", 3 ) == 0 ) {
+					++$dotdotcount;
+					$nodotdot = substr( $nodotdot, 3 );
+				}
+				if($dotdotcount > 0) {
+					$exploded = explode( '/', $this->mTitle->GetPrefixedText() );
+					if( count( $exploded ) > $dotdotcount ) { # not allowed to go below top level page
+						$ret = implode( '/', array_slice( $exploded, 0, -$dotdotcount ) );
+						# / at the end means don't show full path
+						if( substr( $nodotdot, -1, 1 ) == '/' ) {
+							$nodotdot = substr( $nodotdot, 0, -1 );
+							if( '' === $text ) {
+								$text = $nodotdot;
+							}
+						}
+						$nodotdot = trim( $nodotdot );
+						if( $nodotdot != '' ) {
+							$ret .= '/' . $nodotdot;
+						}
+					}
+				}
+			}
+		}
+
+		wfProfileOut( $fname );
+		return $ret;
+	}
+
+	/**#@+
+	 * Used by doBlockLevels()
+	 * @private
+	 */
+	/* private */ function closeParagraph() {
+		$result = '';
+		if ( '' != $this->mLastSection ) {
+			$result = '</' . $this->mLastSection  . ">\n";
+		}
+		$this->mInPre = false;
+		$this->mLastSection = '';
+		return $result;
+	}
+	# getCommon() returns the length of the longest common substring
+	# of both arguments, starting at the beginning of both.
+	#
+	/* private */ function getCommon( $st1, $st2 ) {
+		$fl = strlen( $st1 );
+		$shorter = strlen( $st2 );
+		if ( $fl < $shorter ) { $shorter = $fl; }
+
+		for ( $i = 0; $i < $shorter; ++$i ) {
+			if ( $st1{$i} != $st2{$i} ) { break; }
+		}
+		return $i;
+	}
+	# These next three functions open, continue, and close the list
+	# element appropriate to the prefix character passed into them.
+	#
+	/* private */ function openList( $char ) {
+		$result = $this->closeParagraph();
+
+		if ( '*' == $char ) { $result .= '<ul><li>'; }
+		else if ( '#' == $char ) { $result .= '<ol><li>'; }
+		else if ( ':' == $char ) { $result .= '<dl><dd>'; }
+		else if ( ';' == $char ) {
+			$result .= '<dl><dt>';
+			$this->mDTopen = true;
+		}
+		else { $result = '<!-- ERR 1 -->'; }
+
+		return $result;
+	}
+
+	/* private */ function nextItem( $char ) {
+		if ( '*' == $char || '#' == $char ) { return '</li><li>'; }
+		else if ( ':' == $char || ';' == $char ) {
+			$close = '</dd>';
+			if ( $this->mDTopen ) { $close = '</dt>'; }
+			if ( ';' == $char ) {
+				$this->mDTopen = true;
+				return $close . '<dt>';
+			} else {
+				$this->mDTopen = false;
+				return $close . '<dd>';
+			}
+		}
+		return '<!-- ERR 2 -->';
+	}
+
+	/* private */ function closeList( $char ) {
+		if ( '*' == $char ) { $text = '</li></ul>'; }
+		else if ( '#' == $char ) { $text = '</li></ol>'; }
+		else if ( ':' == $char ) {
+			if ( $this->mDTopen ) {
+				$this->mDTopen = false;
+				$text = '</dt></dl>';
+			} else {
+				$text = '</dd></dl>';
+			}
+		}
+		else {	return '<!-- ERR 3 -->'; }
+		return $text."\n";
+	}
+	/**#@-*/
+
+	/**
+	 * Make lists from lines starting with ':', '*', '#', etc.
+	 *
+	 * @private
+	 * @return string the lists rendered as HTML
+	 */
+	function doBlockLevels( $text, $linestart ) {
+		$fname = 'Parser::doBlockLevels';
+		wfProfileIn( $fname );
+
+		# Parsing through the text line by line.  The main thing
+		# happening here is handling of block-level elements p, pre,
+		# and making lists from lines starting with * # : etc.
+		#
+		$textLines = explode( "\n", $text );
+
+		$lastPrefix = $output = '';
+		$this->mDTopen = $inBlockElem = false;
+		$prefixLength = 0;
+		$paragraphStack = false;
+
+		if ( !$linestart ) {
+			$output .= array_shift( $textLines );
+		}
+		foreach ( $textLines as $oLine ) {
+			$lastPrefixLength = strlen( $lastPrefix );
+			$preCloseMatch = preg_match('/<\\/pre/i', $oLine );
+			$preOpenMatch = preg_match('/<pre/i', $oLine );
+			if ( !$this->mInPre ) {
+				# Multiple prefixes may abut each other for nested lists.
+				$prefixLength = strspn( $oLine, '*#:;' );
+				$pref = substr( $oLine, 0, $prefixLength );
+
+				# eh?
+				$pref2 = str_replace( ';', ':', $pref );
+				$t = substr( $oLine, $prefixLength );
+				$this->mInPre = !empty($preOpenMatch);
+			} else {
+				# Don't interpret any other prefixes in preformatted text
+				$prefixLength = 0;
+				$pref = $pref2 = '';
+				$t = $oLine;
+			}
+
+			# List generation
+			if( $prefixLength && 0 == strcmp( $lastPrefix, $pref2 ) ) {
+				# Same as the last item, so no need to deal with nesting or opening stuff
+				$output .= $this->nextItem( substr( $pref, -1 ) );
+				$paragraphStack = false;
+
+				if ( substr( $pref, -1 ) == ';') {
+					# The one nasty exception: definition lists work like this:
+					# ; title : definition text
+					# So we check for : in the remainder text to split up the
+					# title and definition, without b0rking links.
+					$term = $t2 = '';
+					if ($this->findColonNoLinks($t, $term, $t2) !== false) {
+						$t = $t2;
+						$output .= $term . $this->nextItem( ':' );
+					}
+				}
+			} elseif( $prefixLength || $lastPrefixLength ) {
+				# Either open or close a level...
+				$commonPrefixLength = $this->getCommon( $pref, $lastPrefix );
+				$paragraphStack = false;
+
+				while( $commonPrefixLength < $lastPrefixLength ) {
+					$output .= $this->closeList( $lastPrefix{$lastPrefixLength-1} );
+					--$lastPrefixLength;
+				}
+				if ( $prefixLength <= $commonPrefixLength && $commonPrefixLength > 0 ) {
+					$output .= $this->nextItem( $pref{$commonPrefixLength-1} );
+				}
+				while ( $prefixLength > $commonPrefixLength ) {
+					$char = substr( $pref, $commonPrefixLength, 1 );
+					$output .= $this->openList( $char );
+
+					if ( ';' == $char ) {
+						# FIXME: This is dupe of code above
+						if ($this->findColonNoLinks($t, $term, $t2) !== false) {
+							$t = $t2;
+							$output .= $term . $this->nextItem( ':' );
+						}
+					}
+					++$commonPrefixLength;
+				}
+				$lastPrefix = $pref2;
+			}
+			if( 0 == $prefixLength ) {
+				wfProfileIn( "$fname-paragraph" );
+				# No prefix (not in list)--go to paragraph mode
+				// XXX: use a stack for nestable elements like span, table and div
+				$openmatch = preg_match('/(<table|<blockquote|<h1|<h2|<h3|<h4|<h5|<h6|<pre|<tr|<p|<ul|<ol|<li|<\\/center|<\\/tr|<\\/td|<\\/th)/iS', $t );
+				$closematch = preg_match(
+					'/(<\\/table|<\\/blockquote|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|'.
+					'<td|<th|<div|<\\/div|<hr|<\\/pre|<\\/p|'.$this->mUniqPrefix.'-pre|<\\/li|<\\/ul|<\\/ol|<center)/iS', $t );
+				if ( $openmatch or $closematch ) {
+					$paragraphStack = false;
+					# TODO bug 5718: paragraph closed
+					$output .= $this->closeParagraph();
+					if ( $preOpenMatch and !$preCloseMatch ) {
+						$this->mInPre = true;
+					}
+					if ( $closematch ) {
+						$inBlockElem = false;
+					} else {
+						$inBlockElem = true;
+					}
+				} else if ( !$inBlockElem && !$this->mInPre ) {
+					if ( ' ' == $t{0} and ( $this->mLastSection == 'pre' or trim($t) != '' ) ) {
+						// pre
+						if ($this->mLastSection != 'pre') {
+							$paragraphStack = false;
+							$output .= $this->closeParagraph().'<pre>';
+							$this->mLastSection = 'pre';
+						}
+						$t = substr( $t, 1 );
+					} else {
+						// paragraph
+						if ( '' == trim($t) ) {
+							if ( $paragraphStack ) {
+								$output .= $paragraphStack.'<br />';
+								$paragraphStack = false;
+								$this->mLastSection = 'p';
+							} else {
+								if ($this->mLastSection != 'p' ) {
+									$output .= $this->closeParagraph();
+									$this->mLastSection = '';
+									$paragraphStack = '<p>';
+								} else {
+									$paragraphStack = '</p><p>';
+								}
+							}
+						} else {
+							if ( $paragraphStack ) {
+								$output .= $paragraphStack;
+								$paragraphStack = false;
+								$this->mLastSection = 'p';
+							} else if ($this->mLastSection != 'p') {
+								$output .= $this->closeParagraph().'<p>';
+								$this->mLastSection = 'p';
+							}
+						}
+					}
+				}
+				wfProfileOut( "$fname-paragraph" );
+			}
+			// somewhere above we forget to get out of pre block (bug 785)
+			if($preCloseMatch && $this->mInPre) {
+				$this->mInPre = false;
+			}
+			if ($paragraphStack === false) {
+				$output .= $t."\n";
+			}
+		}
+		while ( $prefixLength ) {
+			$output .= $this->closeList( $pref2{$prefixLength-1} );
+			--$prefixLength;
+		}
+		if ( '' != $this->mLastSection ) {
+			$output .= '</' . $this->mLastSection . '>';
+			$this->mLastSection = '';
+		}
+
+		wfProfileOut( $fname );
+		return $output;
+	}
+
+	/**
+	 * Split up a string on ':', ignoring any occurences inside tags
+	 * to prevent illegal overlapping.
+	 * @param string $str the string to split
+	 * @param string &$before set to everything before the ':'
+	 * @param string &$after set to everything after the ':'
+	 * return string the position of the ':', or false if none found
+	 */
+	function findColonNoLinks($str, &$before, &$after) {
+		$fname = 'Parser::findColonNoLinks';
+		wfProfileIn( $fname );
+		
+		$pos = strpos( $str, ':' );
+		if( $pos === false ) {
+			// Nothing to find!
+			wfProfileOut( $fname );
+			return false;
+		}
+		
+		$lt = strpos( $str, '<' );
+		if( $lt === false || $lt > $pos ) {
+			// Easy; no tag nesting to worry about
+			$before = substr( $str, 0, $pos );
+			$after = substr( $str, $pos+1 );
+			wfProfileOut( $fname );
+			return $pos;
+		}
+		
+		// Ugly state machine to walk through avoiding tags.
+		$state = MW_COLON_STATE_TEXT;
+		$stack = 0;
+		$len = strlen( $str );
+		for( $i = 0; $i < $len; $i++ ) {
+			$c = $str{$i};
+			
+			switch( $state ) {
+			// (Using the number is a performance hack for common cases)
+			case 0: // MW_COLON_STATE_TEXT:
+				switch( $c ) {
+				case "<":
+					// Could be either a <start> tag or an </end> tag
+					$state = MW_COLON_STATE_TAGSTART;
+					break;
+				case ":":
+					if( $stack == 0 ) {
+						// We found it!
+						$before = substr( $str, 0, $i );
+						$after = substr( $str, $i + 1 );
+						wfProfileOut( $fname );
+						return $i;
+					}
+					// Embedded in a tag; don't break it.
+					break;
+				default:
+					// Skip ahead looking for something interesting
+					$colon = strpos( $str, ':', $i );
+					if( $colon === false ) {
+						// Nothing else interesting
+						wfProfileOut( $fname );
+						return false;
+					}
+					$lt = strpos( $str, '<', $i );
+					if( $stack === 0 ) {
+						if( $lt === false || $colon < $lt ) {
+							// We found it!
+							$before = substr( $str, 0, $colon );
+							$after = substr( $str, $colon + 1 );
+							wfProfileOut( $fname );
+							return $i;
+						}
+					}
+					if( $lt === false ) {
+						// Nothing else interesting to find; abort!
+						// We're nested, but there's no close tags left. Abort!
+						break 2;
+					}
+					// Skip ahead to next tag start
+					$i = $lt;
+					$state = MW_COLON_STATE_TAGSTART;
+				}
+				break;
+			case 1: // MW_COLON_STATE_TAG:
+				// In a <tag>
+				switch( $c ) {
+				case ">":
+					$stack++;
+					$state = MW_COLON_STATE_TEXT;
+					break;
+				case "/":
+					// Slash may be followed by >?
+					$state = MW_COLON_STATE_TAGSLASH;
+					break;
+				default:
+					// ignore
+				}
+				break;
+			case 2: // MW_COLON_STATE_TAGSTART:
+				switch( $c ) {
+				case "/":
+					$state = MW_COLON_STATE_CLOSETAG;
+					break;
+				case "!":
+					$state = MW_COLON_STATE_COMMENT;
+					break;
+				case ">":
+					// Illegal early close? This shouldn't happen D:
+					$state = MW_COLON_STATE_TEXT;
+					break;
+				default:
+					$state = MW_COLON_STATE_TAG;
+				}
+				break;
+			case 3: // MW_COLON_STATE_CLOSETAG:
+				// In a </tag>
+				if( $c == ">" ) {
+					$stack--;
+					if( $stack < 0 ) {
+						wfDebug( "Invalid input in $fname; too many close tags\n" );
+						wfProfileOut( $fname );
+						return false;
+					}
+					$state = MW_COLON_STATE_TEXT;
+				}
+				break;
+			case MW_COLON_STATE_TAGSLASH:
+				if( $c == ">" ) {
+					// Yes, a self-closed tag <blah/>
+					$state = MW_COLON_STATE_TEXT;
+				} else {
+					// Probably we're jumping the gun, and this is an attribute
+					$state = MW_COLON_STATE_TAG;
+				}
+				break;
+			case 5: // MW_COLON_STATE_COMMENT:
+				if( $c == "-" ) {
+					$state = MW_COLON_STATE_COMMENTDASH;
+				}
+				break;
+			case MW_COLON_STATE_COMMENTDASH:
+				if( $c == "-" ) {
+					$state = MW_COLON_STATE_COMMENTDASHDASH;
+				} else {
+					$state = MW_COLON_STATE_COMMENT;
+				}
+				break;
+			case MW_COLON_STATE_COMMENTDASHDASH:
+				if( $c == ">" ) {
+					$state = MW_COLON_STATE_TEXT;
+				} else {
+					$state = MW_COLON_STATE_COMMENT;
+				}
+				break;
+			default:
+				throw new MWException( "State machine error in $fname" );
+			}
+		}
+		if( $stack > 0 ) {
+			wfDebug( "Invalid input in $fname; not enough close tags (stack $stack, state $state)\n" );
+			return false;
+		}
+		wfProfileOut( $fname );
+		return false;
+	}
+
+	/**
+	 * Return value of a magic variable (like PAGENAME)
+	 *
+	 * @private
+	 */
+	function getVariableValue( $index ) {
+		global $wgContLang, $wgSitename, $wgServer, $wgServerName, $wgScriptPath;
+
+		/**
+		 * Some of these require message or data lookups and can be
+		 * expensive to check many times.
+		 */
+		static $varCache = array();
+		if ( wfRunHooks( 'ParserGetVariableValueVarCache', array( &$this, &$varCache ) ) )
+			if ( isset( $varCache[$index] ) )
+				return $varCache[$index];
+
+		$ts = time();
+		wfRunHooks( 'ParserGetVariableValueTs', array( &$this, &$ts ) );
+
+		switch ( $index ) {
+			case MAG_CURRENTMONTH:
+				return $varCache[$index] = $wgContLang->formatNum( date( 'm', $ts ) );
+			case MAG_CURRENTMONTHNAME:
+				return $varCache[$index] = $wgContLang->getMonthName( date( 'n', $ts ) );
+			case MAG_CURRENTMONTHNAMEGEN:
+				return $varCache[$index] = $wgContLang->getMonthNameGen( date( 'n', $ts ) );
+			case MAG_CURRENTMONTHABBREV:
+				return $varCache[$index] = $wgContLang->getMonthAbbreviation( date( 'n', $ts ) );
+			case MAG_CURRENTDAY:
+				return $varCache[$index] = $wgContLang->formatNum( date( 'j', $ts ) );
+			case MAG_CURRENTDAY2:
+				return $varCache[$index] = $wgContLang->formatNum( date( 'd', $ts ) );
+			case MAG_PAGENAME:
+				return $this->mTitle->getText();
+			case MAG_PAGENAMEE:
+				return $this->mTitle->getPartialURL();
+			case MAG_FULLPAGENAME:
+				return $this->mTitle->getPrefixedText();
+			case MAG_FULLPAGENAMEE:
+				return $this->mTitle->getPrefixedURL();
+			case MAG_SUBPAGENAME:
+				return $this->mTitle->getSubpageText();
+			case MAG_SUBPAGENAMEE:
+				return $this->mTitle->getSubpageUrlForm();
+			case MAG_BASEPAGENAME:
+				return $this->mTitle->getBaseText();
+			case MAG_BASEPAGENAMEE:
+				return wfUrlEncode( str_replace( ' ', '_', $this->mTitle->getBaseText() ) );
+			case MAG_TALKPAGENAME:
+				if( $this->mTitle->canTalk() ) {
+					$talkPage = $this->mTitle->getTalkPage();
+					return $talkPage->getPrefixedText();
+				} else {
+					return '';
+				}
+			case MAG_TALKPAGENAMEE:
+				if( $this->mTitle->canTalk() ) {
+					$talkPage = $this->mTitle->getTalkPage();
+					return $talkPage->getPrefixedUrl();
+				} else {
+					return '';
+				}
+			case MAG_SUBJECTPAGENAME:
+				$subjPage = $this->mTitle->getSubjectPage();
+				return $subjPage->getPrefixedText();
+			case MAG_SUBJECTPAGENAMEE:
+				$subjPage = $this->mTitle->getSubjectPage();
+				return $subjPage->getPrefixedUrl();
+			case MAG_REVISIONID:
+				return $this->mRevisionId;
+			case MAG_NAMESPACE:
+				return str_replace('_',' ',$wgContLang->getNsText( $this->mTitle->getNamespace() ) );
+			case MAG_NAMESPACEE:
+				return wfUrlencode( $wgContLang->getNsText( $this->mTitle->getNamespace() ) );
+			case MAG_TALKSPACE:
+				return $this->mTitle->canTalk() ? str_replace('_',' ',$this->mTitle->getTalkNsText()) : '';
+			case MAG_TALKSPACEE:
+				return $this->mTitle->canTalk() ? wfUrlencode( $this->mTitle->getTalkNsText() ) : '';
+			case MAG_SUBJECTSPACE:
+				return $this->mTitle->getSubjectNsText();
+			case MAG_SUBJECTSPACEE:
+				return( wfUrlencode( $this->mTitle->getSubjectNsText() ) );
+			case MAG_CURRENTDAYNAME:
+				return $varCache[$index] = $wgContLang->getWeekdayName( date( 'w', $ts ) + 1 );
+			case MAG_CURRENTYEAR:
+				return $varCache[$index] = $wgContLang->formatNum( date( 'Y', $ts ), true );
+			case MAG_CURRENTTIME:
+				return $varCache[$index] = $wgContLang->time( wfTimestamp( TS_MW, $ts ), false, false );
+			case MAG_CURRENTWEEK:
+				// @bug 4594 PHP5 has it zero padded, PHP4 does not, cast to
+				// int to remove the padding
+				return $varCache[$index] = $wgContLang->formatNum( (int)date( 'W', $ts ) );
+			case MAG_CURRENTDOW:
+				return $varCache[$index] = $wgContLang->formatNum( date( 'w', $ts ) );
+			case MAG_NUMBEROFARTICLES:
+				return $varCache[$index] = $wgContLang->formatNum( wfNumberOfArticles() );
+			case MAG_NUMBEROFFILES:
+				return $varCache[$index] = $wgContLang->formatNum( wfNumberOfFiles() );
+			case MAG_NUMBEROFUSERS:
+				return $varCache[$index] = $wgContLang->formatNum( wfNumberOfUsers() );
+			case MAG_NUMBEROFPAGES:
+				return $varCache[$index] = $wgContLang->formatNum( wfNumberOfPages() );
+			case MAG_NUMBEROFADMINS:
+				return $varCache[$index]  = $wgContLang->formatNum( wfNumberOfAdmins() );
+			case MAG_CURRENTTIMESTAMP:
+				return $varCache[$index] = wfTimestampNow();
+			case MAG_CURRENTVERSION:
+				global $wgVersion;
+				return $wgVersion;
+			case MAG_SITENAME:
+				return $wgSitename;
+			case MAG_SERVER:
+				return $wgServer;
+			case MAG_SERVERNAME:
+				return $wgServerName;
+			case MAG_SCRIPTPATH:
+				return $wgScriptPath;
+			case MAG_DIRECTIONMARK:
+				return $wgContLang->getDirMark();
+			case MAG_CONTENTLANGUAGE:
+				global $wgContLanguageCode;
+				return $wgContLanguageCode;
+			default:
+				$ret = null;
+				if ( wfRunHooks( 'ParserGetVariableValueSwitch', array( &$this, &$varCache, &$index, &$ret ) ) )
+					return $ret;
+				else
+					return null;
+		}
+	}
+
+	/**
+	 * initialise the magic variables (like CURRENTMONTHNAME)
+	 *
+	 * @private
+	 */
+	function initialiseVariables() {
+		$fname = 'Parser::initialiseVariables';
+		wfProfileIn( $fname );
+		global $wgVariableIDs;
+
+		$this->mVariables = array();
+		foreach ( $wgVariableIDs as $id ) {
+			$mw =& MagicWord::get( $id );
+			$mw->addToArray( $this->mVariables, $id );
+		}
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * parse any parentheses in format ((title|part|part))
+	 * and call callbacks to get a replacement text for any found piece
+	 *
+	 * @param string $text The text to parse
+	 * @param array $callbacks rules in form:
+	 *     '{' => array(				# opening parentheses
+	 *					'end' => '}',   # closing parentheses
+	 *					'cb' => array(2 => callback,	# replacement callback to call if {{..}} is found
+	 *								  4 => callback 	# replacement callback to call if {{{{..}}}} is found
+	 *								  )
+	 *					)
+	 * @private
+	 */
+	function replace_callback ($text, $callbacks) {
+		wfProfileIn( __METHOD__ . '-self' );
+		$openingBraceStack = array();	# this array will hold a stack of parentheses which are not closed yet
+		$lastOpeningBrace = -1;			# last not closed parentheses
+
+		for ($i = 0; $i < strlen($text); $i++) {
+			# check for any opening brace
+			$rule = null;
+			$nextPos = -1;
+			foreach ($callbacks as $key => $value) {
+				$pos = strpos ($text, $key, $i);
+				if (false !== $pos && (-1 == $nextPos || $pos < $nextPos)) {
+					$rule = $value;
+					$nextPos = $pos;
+				}
+			}
+
+			if ($lastOpeningBrace >= 0) {
+				$pos = strpos ($text, $openingBraceStack[$lastOpeningBrace]['braceEnd'], $i);
+
+				if (false !== $pos && (-1 == $nextPos || $pos < $nextPos)){
+					$rule = null;
+					$nextPos = $pos;
+				}
+
+				$pos = strpos ($text, '|', $i);
+
+				if (false !== $pos && (-1 == $nextPos || $pos < $nextPos)){
+					$rule = null;
+					$nextPos = $pos;
+				}
+			}
+
+			if ($nextPos == -1)
+				break;
+
+			$i = $nextPos;
+
+			# found openning brace, lets add it to parentheses stack
+			if (null != $rule) {
+				$piece = array('brace' => $text[$i],
+							   'braceEnd' => $rule['end'],
+							   'count' => 1,
+							   'title' => '',
+							   'parts' => null);
+
+				# count openning brace characters
+				while ($i+1 < strlen($text) && $text[$i+1] == $piece['brace']) {
+					$piece['count']++;
+					$i++;
+				}
+
+				$piece['startAt'] = $i+1;
+				$piece['partStart'] = $i+1;
+
+				# we need to add to stack only if openning brace count is enough for any given rule
+				foreach ($rule['cb'] as $cnt => $fn) {
+					if ($piece['count'] >= $cnt) {
+						$lastOpeningBrace ++;
+						$openingBraceStack[$lastOpeningBrace] = $piece;
+						break;
+					}
+				}
+
+				continue;
+			}
+			else if ($lastOpeningBrace >= 0) {
+				# first check if it is a closing brace
+				if ($openingBraceStack[$lastOpeningBrace]['braceEnd'] == $text[$i]) {
+					# lets check if it is enough characters for closing brace
+					$count = 1;
+					while ($i+$count < strlen($text) && $text[$i+$count] == $text[$i])
+						$count++;
+
+					# if there are more closing parentheses than opening ones, we parse less
+					if ($openingBraceStack[$lastOpeningBrace]['count'] < $count)
+						$count = $openingBraceStack[$lastOpeningBrace]['count'];
+
+					# check for maximum matching characters (if there are 5 closing characters, we will probably need only 3 - depending on the rules)
+					$matchingCount = 0;
+					$matchingCallback = null;
+					foreach ($callbacks[$openingBraceStack[$lastOpeningBrace]['brace']]['cb'] as $cnt => $fn) {
+						if ($count >= $cnt && $matchingCount < $cnt) {
+							$matchingCount = $cnt;
+							$matchingCallback = $fn;
+						}
+					}
+
+					if ($matchingCount == 0) {
+						$i += $count - 1;
+						continue;
+					}
+
+					# lets set a title or last part (if '|' was found)
+					if (null === $openingBraceStack[$lastOpeningBrace]['parts'])
+						$openingBraceStack[$lastOpeningBrace]['title'] = substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'], $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+					else
+						$openingBraceStack[$lastOpeningBrace]['parts'][] = substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'], $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+
+					$pieceStart = $openingBraceStack[$lastOpeningBrace]['startAt'] - $matchingCount;
+					$pieceEnd = $i + $matchingCount;
+
+					if( is_callable( $matchingCallback ) ) {
+						$cbArgs = array (
+										 'text' => substr($text, $pieceStart, $pieceEnd - $pieceStart),
+										 'title' => trim($openingBraceStack[$lastOpeningBrace]['title']),
+										 'parts' => $openingBraceStack[$lastOpeningBrace]['parts'],
+										 'lineStart' => (($pieceStart > 0) && ($text[$pieceStart-1] == "\n")),
+										 );
+						# finally we can call a user callback and replace piece of text
+						wfProfileOut( __METHOD__ . '-self' );
+						$replaceWith = call_user_func( $matchingCallback, $cbArgs );
+						wfProfileIn( __METHOD__ . '-self' );
+						$text = substr($text, 0, $pieceStart) . $replaceWith . substr($text, $pieceEnd);
+						$i = $pieceStart + strlen($replaceWith) - 1;
+					}
+					else {
+						# null value for callback means that parentheses should be parsed, but not replaced
+						$i += $matchingCount - 1;
+					}
+
+					# reset last openning parentheses, but keep it in case there are unused characters
+					$piece = array('brace' => $openingBraceStack[$lastOpeningBrace]['brace'],
+								   'braceEnd' => $openingBraceStack[$lastOpeningBrace]['braceEnd'],
+								   'count' => $openingBraceStack[$lastOpeningBrace]['count'],
+								   'title' => '',
+								   'parts' => null,
+								   'startAt' => $openingBraceStack[$lastOpeningBrace]['startAt']);
+					$openingBraceStack[$lastOpeningBrace--] = null;
+
+					if ($matchingCount < $piece['count']) {
+						$piece['count'] -= $matchingCount;
+						$piece['startAt'] -= $matchingCount;
+						$piece['partStart'] = $piece['startAt'];
+						# do we still qualify for any callback with remaining count?
+						foreach ($callbacks[$piece['brace']]['cb'] as $cnt => $fn) {
+							if ($piece['count'] >= $cnt) {
+								$lastOpeningBrace ++;
+								$openingBraceStack[$lastOpeningBrace] = $piece;
+								break;
+							}
+						}
+					}
+					continue;
+				}
+
+				# lets set a title if it is a first separator, or next part otherwise
+				if ($text[$i] == '|') {
+					if (null === $openingBraceStack[$lastOpeningBrace]['parts']) {
+						$openingBraceStack[$lastOpeningBrace]['title'] = substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'], $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+						$openingBraceStack[$lastOpeningBrace]['parts'] = array();
+					}
+					else
+						$openingBraceStack[$lastOpeningBrace]['parts'][] = substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'], $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+
+					$openingBraceStack[$lastOpeningBrace]['partStart'] = $i + 1;
+				}
+			}
+		}
+
+		wfProfileOut( __METHOD__ . '-self' );
+		return $text;
+	}
+
+	/**
+	 * Replace magic variables, templates, and template arguments
+	 * with the appropriate text. Templates are substituted recursively,
+	 * taking care to avoid infinite loops.
+	 *
+	 * Note that the substitution depends on value of $mOutputType:
+	 *  OT_WIKI: only {{subst:}} templates
+	 *  OT_MSG: only magic variables
+	 *  OT_HTML: all templates and magic variables
+	 *
+	 * @param string $tex The text to transform
+	 * @param array $args Key-value pairs representing template parameters to substitute
+	 * @param bool $argsOnly Only do argument (triple-brace) expansion, not double-brace expansion
+	 * @private
+	 */
+	function replaceVariables( $text, $args = array(), $argsOnly = false ) {
+		# Prevent too big inclusions
+		if( strlen( $text ) > MAX_INCLUDE_SIZE ) {
+			return $text;
+		}
+
+		$fname = 'Parser::replaceVariables';
+		wfProfileIn( $fname );
+
+		# This function is called recursively. To keep track of arguments we need a stack:
+		array_push( $this->mArgStack, $args );
+
+		$braceCallbacks = array();
+		if ( !$argsOnly ) {
+			$braceCallbacks[2] = array( &$this, 'braceSubstitution' );
+		}
+		if ( $this->mOutputType == OT_HTML || $this->mOutputType == OT_WIKI ) {
+			$braceCallbacks[3] = array( &$this, 'argSubstitution' );
+		}
+		$callbacks = array();
+		$callbacks['{'] = array('end' => '}', 'cb' => $braceCallbacks);
+		$callbacks['['] = array('end' => ']', 'cb' => array(2=>null));
+		$text = $this->replace_callback ($text, $callbacks);
+
+		array_pop( $this->mArgStack );
+
+		wfProfileOut( $fname );
+		return $text;
+	}
+	
+	/**
+	 * Replace magic variables
+	 * @private
+	 */
+	function variableSubstitution( $matches ) {
+		$fname = 'Parser::variableSubstitution';
+		$varname = $matches[1];
+		wfProfileIn( $fname );
+		$skip = false;
+		if ( $this->mOutputType == OT_WIKI ) {
+			# Do only magic variables prefixed by SUBST
+			$mwSubst =& MagicWord::get( MAG_SUBST );
+			if (!$mwSubst->matchStartAndRemove( $varname ))
+				$skip = true;
+			# Note that if we don't substitute the variable below,
+			# we don't remove the {{subst:}} magic word, in case
+			# it is a template rather than a magic variable.
+		}
+		if ( !$skip && array_key_exists( $varname, $this->mVariables ) ) {
+			$id = $this->mVariables[$varname];
+			$text = $this->getVariableValue( $id );
+			$this->mOutput->mContainsOldMagic = true;
+		} else {
+			$text = $matches[0];
+		}
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	# Split template arguments
+	function getTemplateArgs( $argsString ) {
+		if ( $argsString === '' ) {
+			return array();
+		}
+
+		$args = explode( '|', substr( $argsString, 1 ) );
+
+		# If any of the arguments contains a '[[' but no ']]', it needs to be
+		# merged with the next arg because the '|' character between belongs
+		# to the link syntax and not the template parameter syntax.
+		$argc = count($args);
+
+		for ( $i = 0; $i < $argc-1; $i++ ) {
+			if ( substr_count ( $args[$i], '[[' ) != substr_count ( $args[$i], ']]' ) ) {
+				$args[$i] .= '|'.$args[$i+1];
+				array_splice($args, $i+1, 1);
+				$i--;
+				$argc--;
+			}
+		}
+
+		return $args;
+	}
+
+	/**
+	 * Return the text of a template, after recursively
+	 * replacing any variables or templates within the template.
+	 *
+	 * @param array $piece The parts of the template
+	 *  $piece['text']: matched text
+	 *  $piece['title']: the title, i.e. the part before the |
+	 *  $piece['parts']: the parameter array
+	 * @return string the text of the template
+	 * @private
+	 */
+	function braceSubstitution( $piece ) {
+		global $wgContLang, $wgLang, $wgAllowDisplayTitle, $action;
+		$fname = 'Parser::braceSubstitution';
+		wfProfileIn( $fname );
+
+		# Flags
+		$found = false;             # $text has been filled
+		$nowiki = false;            # wiki markup in $text should be escaped
+		$noparse = false;           # Unsafe HTML tags should not be stripped, etc.
+		$noargs = false;            # Don't replace triple-brace arguments in $text
+		$replaceHeadings = false;   # Make the edit section links go to the template not the article
+		$isHTML = false;            # $text is HTML, armour it against wikitext transformation
+		$forceRawInterwiki = false; # Force interwiki transclusion to be done in raw mode not rendered
+
+		# Title object, where $text came from
+		$title = NULL;
+
+		$linestart = '';
+
+		# $part1 is the bit before the first |, and must contain only title characters
+		# $args is a list of arguments, starting from index 0, not including $part1
+
+		$part1 = $piece['title'];
+		# If the third subpattern matched anything, it will start with |
+
+		if (null == $piece['parts']) {
+			$replaceWith = $this->variableSubstitution (array ($piece['text'], $piece['title']));
+			if ($replaceWith != $piece['text']) {
+				$text = $replaceWith;
+				$found = true;
+				$noparse = true;
+				$noargs = true;
+			}
+		}
+
+		$args = (null == $piece['parts']) ? array() : $piece['parts'];
+		$argc = count( $args );
+
+		# SUBST
+		if ( !$found ) {
+			$mwSubst =& MagicWord::get( MAG_SUBST );
+			if ( $mwSubst->matchStartAndRemove( $part1 ) xor ($this->mOutputType == OT_WIKI) ) {
+				# One of two possibilities is true:
+				# 1) Found SUBST but not in the PST phase
+				# 2) Didn't find SUBST and in the PST phase
+				# In either case, return without further processing
+				$text = $piece['text'];
+				$found = true;
+				$noparse = true;
+				$noargs = true;
+			}
+		}
+
+		# MSG, MSGNW, INT and RAW
+		if ( !$found ) {
+			# Check for MSGNW:
+			$mwMsgnw =& MagicWord::get( MAG_MSGNW );
+			if ( $mwMsgnw->matchStartAndRemove( $part1 ) ) {
+				$nowiki = true;
+			} else {
+				# Remove obsolete MSG:
+				$mwMsg =& MagicWord::get( MAG_MSG );
+				$mwMsg->matchStartAndRemove( $part1 );
+			}
+			
+			# Check for RAW:
+			$mwRaw =& MagicWord::get( MAG_RAW );
+			if ( $mwRaw->matchStartAndRemove( $part1 ) ) {
+				$forceRawInterwiki = true;
+			}
+			
+			# Check if it is an internal message
+			$mwInt =& MagicWord::get( MAG_INT );
+			if ( $mwInt->matchStartAndRemove( $part1 ) ) {
+				if ( $this->incrementIncludeCount( 'int:'.$part1 ) ) {
+					$text = $linestart . wfMsgReal( $part1, $args, true );
+					$found = true;
+				}
+			}
+		}
+
+		# Parser functions
+		if ( !$found ) {
+			wfProfileIn( __METHOD__ . '-pfunc' );
+			
+			$colonPos = strpos( $part1, ':' );
+			if ( $colonPos !== false ) {
+				# Case sensitive functions
+				$function = substr( $part1, 0, $colonPos );
+				if ( isset( $this->mFunctionSynonyms[1][$function] ) ) {
+					$function = $this->mFunctionSynonyms[1][$function];
+				} else {
+					# Case insensitive functions
+					$function = strtolower( $function );
+					if ( isset( $this->mFunctionSynonyms[0][$function] ) ) {
+						$function = $this->mFunctionSynonyms[0][$function];
+					} else {
+						$function = false;
+					}
+				}
+				if ( $function ) {
+					$funcArgs = array_map( 'trim', $args );
+					$funcArgs = array_merge( array( &$this, trim( substr( $part1, $colonPos + 1 ) ) ), $funcArgs );
+					$result = call_user_func_array( $this->mFunctionHooks[$function], $funcArgs );
+					$found = true;
+
+					// The text is usually already parsed, doesn't need triple-brace tags expanded, etc.
+					//$noargs = true;
+					//$noparse = true;
+
+					if ( is_array( $result ) ) {
+						if ( isset( $result[0] ) ) {
+							$text = $linestart . $result[0];
+							unset( $result[0] );
+						}
+
+						// Extract flags into the local scope
+						// This allows callers to set flags such as nowiki, noparse, found, etc.
+						extract( $result );
+					} else {
+						$text = $linestart . $result;
+					}
+				}
+			}
+			wfProfileOut( __METHOD__ . '-pfunc' );			
+		}
+
+		# Template table test
+
+		# Did we encounter this template already? If yes, it is in the cache
+		# and we need to check for loops.
+		if ( !$found && isset( $this->mTemplates[$piece['title']] ) ) {
+			$found = true;
+
+			# Infinite loop test
+			if ( isset( $this->mTemplatePath[$part1] ) ) {
+				$noparse = true;
+				$noargs = true;
+				$found = true;
+				$text = $linestart .
+					'{{' . $part1 . '}}' .
+					'<!-- WARNING: template loop detected -->';
+				wfDebug( "$fname: template loop broken at '$part1'\n" );
+			} else {
+				# set $text to cached message.
+				$text = $linestart . $this->mTemplates[$piece['title']];
+			}
+		}
+
+		# Load from database
+		$lastPathLevel = $this->mTemplatePath;
+		if ( !$found ) {
+			wfProfileIn( __METHOD__ . '-loadtpl' );
+			$ns = NS_TEMPLATE;
+			# declaring $subpage directly in the function call
+			# does not work correctly with references and breaks
+			# {{/subpage}}-style inclusions
+			$subpage = '';
+			$part1 = $this->maybeDoSubpageLink( $part1, $subpage );
+			if ($subpage !== '') {
+				$ns = $this->mTitle->getNamespace();
+			}
+			$title = Title::newFromText( $part1, $ns );
+
+
+			if ( !is_null( $title ) ) {
+				$checkVariantLink = sizeof($wgContLang->getVariants())>1;
+				# Check for language variants if the template is not found
+				if($checkVariantLink && $title->getArticleID() == 0){
+					$wgContLang->findVariantLink($part1, $title);
+				}
+
+				if ( !$title->isExternal() ) {
+					# Check for excessive inclusion
+					$dbk = $title->getPrefixedDBkey();
+					if ( $this->incrementIncludeCount( $dbk ) ) {
+						if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() && $this->mOutputType != OT_WIKI ) {
+							$text = SpecialPage::capturePath( $title );
+							if ( is_string( $text ) ) {
+								$found = true;
+								$noparse = true;
+								$noargs = true;
+								$isHTML = true;
+								$this->disableCache();
+							}
+						} else {
+							$articleContent = $this->fetchTemplate( $title );
+							if ( $articleContent !== false ) {
+								$found = true;
+								$text = $articleContent;
+								$replaceHeadings = true;
+							}
+						}
+					}
+
+					# If the title is valid but undisplayable, make a link to it
+					if ( $this->mOutputType == OT_HTML && !$found ) {
+						$text = '[['.$title->getPrefixedText().']]';
+						$found = true;
+					}
+				} elseif ( $title->isTrans() ) {
+					// Interwiki transclusion
+					if ( $this->mOutputType == OT_HTML && !$forceRawInterwiki ) {
+						$text = $this->interwikiTransclude( $title, 'render' );
+						$isHTML = true;
+						$noparse = true;
+					} else {
+						$text = $this->interwikiTransclude( $title, 'raw' );
+						$replaceHeadings = true;
+					}
+					$found = true;
+				}
+				
+				# Template cache array insertion
+				# Use the original $piece['title'] not the mangled $part1, so that
+				# modifiers such as RAW: produce separate cache entries
+				if( $found ) {
+					if( $isHTML ) {
+						// A special page; don't store it in the template cache.
+					} else {
+						$this->mTemplates[$piece['title']] = $text;
+					}
+					$text = $linestart . $text;
+				}
+			}
+			wfProfileOut( __METHOD__ . '-loadtpl' );			
+		}
+
+		# Recursive parsing, escaping and link table handling
+		# Only for HTML output
+		if ( $nowiki && $found && $this->mOutputType == OT_HTML ) {
+			$text = wfEscapeWikiText( $text );
+		} elseif ( ($this->mOutputType == OT_HTML || $this->mOutputType == OT_WIKI) && $found ) {
+			if ( $noargs ) {
+				$assocArgs = array();
+			} else {
+				# Clean up argument array
+				$assocArgs = array();
+				$index = 1;
+				foreach( $args as $arg ) {
+					$eqpos = strpos( $arg, '=' );
+					if ( $eqpos === false ) {
+						$assocArgs[$index++] = $arg;
+					} else {
+						$name = trim( substr( $arg, 0, $eqpos ) );
+						$value = trim( substr( $arg, $eqpos+1 ) );
+						if ( $value === false ) {
+							$value = '';
+						}
+						if ( $name !== false ) {
+							$assocArgs[$name] = $value;
+						}
+					}
+				}
+
+				# Add a new element to the templace recursion path
+				$this->mTemplatePath[$part1] = 1;
+			}
+
+			if ( !$noparse ) {
+				# If there are any <onlyinclude> tags, only include them
+				if ( in_string( '<onlyinclude>', $text ) && in_string( '</onlyinclude>', $text ) ) {
+					preg_match_all( '/<onlyinclude>(.*?)\n?<\/onlyinclude>/s', $text, $m );
+					$text = '';
+					foreach ($m[1] as $piece)
+						$text .= $piece;
+				}
+				# Remove <noinclude> sections and <includeonly> tags
+				$text = preg_replace( '/<noinclude>.*?<\/noinclude>/s', '', $text );
+				$text = strtr( $text, array( '<includeonly>' => '' , '</includeonly>' => '' ) );
+
+				if( $this->mOutputType == OT_HTML ) {
+					# Strip <nowiki>, <pre>, etc.
+					$text = $this->strip( $text, $this->mStripState );
+					$text = Sanitizer::removeHTMLtags( $text, array( &$this, 'replaceVariables' ), $assocArgs );
+				}
+				$text = $this->replaceVariables( $text, $assocArgs );
+
+				# If the template begins with a table or block-level
+				# element, it should be treated as beginning a new line.
+				if (!$piece['lineStart'] && preg_match('/^({\\||:|;|#|\*)/', $text)) {
+					$text = "\n" . $text;
+				}
+			} elseif ( !$noargs ) {
+				# $noparse and !$noargs
+				# Just replace the arguments, not any double-brace items
+				# This is used for rendered interwiki transclusion
+				$text = $this->replaceVariables( $text, $assocArgs, true );
+			}
+		}
+		# Prune lower levels off the recursion check path
+		$this->mTemplatePath = $lastPathLevel;
+
+		if ( !$found ) {
+			wfProfileOut( $fname );
+			return $piece['text'];
+		} else {
+			wfProfileIn( __METHOD__ . '-placeholders' );
+			if ( $isHTML ) {
+				# Replace raw HTML by a placeholder
+				# Add a blank line preceding, to prevent it from mucking up
+				# immediately preceding headings
+				$text = "\n\n" . $this->insertStripItem( $text, $this->mStripState );
+			} else {
+				# replace ==section headers==
+				# XXX this needs to go away once we have a better parser.
+				if ( $this->mOutputType != OT_WIKI && $replaceHeadings ) {
+					if( !is_null( $title ) )
+						$encodedname = base64_encode($title->getPrefixedDBkey());
+					else
+						$encodedname = base64_encode("");
+					$m = preg_split('/(^={1,6}.*?={1,6}\s*?$)/m', $text, -1,
+						PREG_SPLIT_DELIM_CAPTURE);
+					$text = '';
+					$nsec = 0;
+					for( $i = 0; $i < count($m); $i += 2 ) {
+						$text .= $m[$i];
+						if (!isset($m[$i + 1]) || $m[$i + 1] == "") continue;
+						$hl = $m[$i + 1];
+						if( strstr($hl, "<!--MWTEMPLATESECTION") ) {
+							$text .= $hl;
+							continue;
+						}
+						preg_match('/^(={1,6})(.*?)(={1,6})\s*?$/m', $hl, $m2);
+						$text .= $m2[1] . $m2[2] . "<!--MWTEMPLATESECTION="
+							. $encodedname . "&" . base64_encode("$nsec") . "-->" . $m2[3];
+
+						$nsec++;
+					}
+				}
+			}
+			wfProfileOut( __METHOD__ . '-placeholders' );
+		}
+
+		# Prune lower levels off the recursion check path
+		$this->mTemplatePath = $lastPathLevel;
+
+		if ( !$found ) {
+			wfProfileOut( $fname );
+			return $piece['text'];
+		} else {
+			wfProfileOut( $fname );
+			return $text;
+		}
+	}
+
+	/**
+	 * Fetch the unparsed text of a template and register a reference to it.
+	 */
+	function fetchTemplate( $title ) {
+		$text = false;
+		// Loop to fetch the article, with up to 1 redirect
+		for ( $i = 0; $i < 2 && is_object( $title ); $i++ ) {
+			$rev = Revision::newFromTitle( $title );
+			$this->mOutput->addTemplate( $title, $title->getArticleID() );
+			if ( !$rev ) {
+				break;
+			}
+			$text = $rev->getText();
+			if ( $text === false ) {
+				break;
+			}
+			// Redirect?
+			$title = Title::newFromRedirect( $text );
+		}
+		return $text;
+	}
+
+	/**
+	 * Transclude an interwiki link.
+	 */
+	function interwikiTransclude( $title, $action ) {
+		global $wgEnableScaryTranscluding, $wgCanonicalNamespaceNames;
+
+		if (!$wgEnableScaryTranscluding)
+			return wfMsg('scarytranscludedisabled');
+
+		// The namespace will actually only be 0 or 10, depending on whether there was a leading :
+		// But we'll handle it generally anyway
+		if ( $title->getNamespace() ) {
+			// Use the canonical namespace, which should work anywhere
+			$articleName = $wgCanonicalNamespaceNames[$title->getNamespace()] . ':' . $title->getDBkey();
+		} else {
+			$articleName = $title->getDBkey();
+		}
+
+		$url = str_replace('$1', urlencode($articleName), Title::getInterwikiLink($title->getInterwiki()));
+		$url .= "?action=$action";
+		if (strlen($url) > 255)
+			return wfMsg('scarytranscludetoolong');
+		return $this->fetchScaryTemplateMaybeFromCache($url);
+	}
+
+	function fetchScaryTemplateMaybeFromCache($url) {
+		global $wgTranscludeCacheExpiry;
+		$dbr =& wfGetDB(DB_SLAVE);
+		$obj = $dbr->selectRow('transcache', array('tc_time', 'tc_contents'),
+				array('tc_url' => $url));
+		if ($obj) {
+			$time = $obj->tc_time;
+			$text = $obj->tc_contents;
+			if ($time && time() < $time + $wgTranscludeCacheExpiry ) {
+				return $text;
+			}
+		}
+
+		$text = Http::get($url);
+		if (!$text)
+			return wfMsg('scarytranscludefailed', $url);
+
+		$dbw =& wfGetDB(DB_MASTER);
+		$dbw->replace('transcache', array('tc_url'), array(
+			'tc_url' => $url,
+			'tc_time' => time(),
+			'tc_contents' => $text));
+		return $text;
+	}
+
+
+	/**
+	 * Triple brace replacement -- used for template arguments
+	 * @private
+	 */
+	function argSubstitution( $matches ) {
+		$arg = trim( $matches['title'] );
+		$text = $matches['text'];
+		$inputArgs = end( $this->mArgStack );
+
+		if ( array_key_exists( $arg, $inputArgs ) ) {
+			$text = $inputArgs[$arg];
+		} else if ($this->mOutputType == OT_HTML && null != $matches['parts'] && count($matches['parts']) > 0) {
+			$text = $matches['parts'][0];
+		}
+
+		return $text;
+	}
+
+	/**
+	 * Returns true if the function is allowed to include this entity
+	 * @private
+	 */
+	function incrementIncludeCount( $dbk ) {
+		if ( !array_key_exists( $dbk, $this->mIncludeCount ) ) {
+			$this->mIncludeCount[$dbk] = 0;
+		}
+		if ( ++$this->mIncludeCount[$dbk] <= MAX_INCLUDE_REPEAT ) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Detect __NOGALLERY__ magic word and set a placeholder
+	 */
+	function stripNoGallery( &$text ) {
+		# if the string __NOGALLERY__ (not case-sensitive) occurs in the HTML,
+		# do not add TOC
+		$mw = MagicWord::get( MAG_NOGALLERY );
+		$this->mOutput->mNoGallery = $mw->matchAndRemove( $text ) ;
+	}
+
+	/**
+	 * Detect __TOC__ magic word and set a placeholder
+	 */
+	function stripToc( $text ) {
+		# if the string __NOTOC__ (not case-sensitive) occurs in the HTML,
+		# do not add TOC
+		$mw = MagicWord::get( MAG_NOTOC );
+		if( $mw->matchAndRemove( $text ) ) {
+			$this->mShowToc = false;
+		}
+		
+		$mw = MagicWord::get( MAG_TOC );
+		if( $mw->match( $text ) ) {
+			$this->mShowToc = true;
+			$this->mForceTocPosition = true;
+			
+			// Set a placeholder. At the end we'll fill it in with the TOC.
+			$text = $mw->replace( '<!--MWTOC-->', $text, 1 );
+			
+			// Only keep the first one.
+			$text = $mw->replace( '', $text );
+		}
+		return $text;
+	}
+
+	/**
+	 * This function accomplishes several tasks:
+	 * 1) Auto-number headings if that option is enabled
+	 * 2) Add an [edit] link to sections for logged in users who have enabled the option
+	 * 3) Add a Table of contents on the top for users who have enabled the option
+	 * 4) Auto-anchor headings
+	 *
+	 * It loops through all headlines, collects the necessary data, then splits up the
+	 * string and re-inserts the newly formatted headlines.
+	 *
+	 * @param string $text
+	 * @param boolean $isMain
+	 * @private
+	 */
+	function formatHeadings( $text, $isMain=true ) {
+		global $wgMaxTocLevel, $wgContLang;
+
+		$doNumberHeadings = $this->mOptions->getNumberHeadings();
+		if( !$this->mTitle->userCanEdit() ) {
+			$showEditLink = 0;
+		} else {
+			$showEditLink = $this->mOptions->getEditSection();
+		}
+
+		# Inhibit editsection links if requested in the page
+		$esw =& MagicWord::get( MAG_NOEDITSECTION );
+		if( $esw->matchAndRemove( $text ) ) {
+			$showEditLink = 0;
+		}
+
+		# Get all headlines for numbering them and adding funky stuff like [edit]
+		# links - this is for later, but we need the number of headlines right now
+		$numMatches = preg_match_all( '/<H([1-6])(.*?'.'>)(.*?)<\/H[1-6] *>/i', $text, $matches );
+
+		# if there are fewer than 4 headlines in the article, do not show TOC
+		# unless it's been explicitly enabled.
+		$enoughToc = $this->mShowToc &&
+			(($numMatches >= 4) || $this->mForceTocPosition);
+
+		# Allow user to stipulate that a page should have a "new section"
+		# link added via __NEWSECTIONLINK__
+		$mw =& MagicWord::get( MAG_NEWSECTIONLINK );
+		if( $mw->matchAndRemove( $text ) )
+			$this->mOutput->setNewSection( true );
+
+		# if the string __FORCETOC__ (not case-sensitive) occurs in the HTML,
+		# override above conditions and always show TOC above first header
+		$mw =& MagicWord::get( MAG_FORCETOC );
+		if ($mw->matchAndRemove( $text ) ) {
+			$this->mShowToc = true;
+			$enoughToc = true;
+		}
+
+		# Never ever show TOC if no headers
+		if( $numMatches < 1 ) {
+			$enoughToc = false;
+		}
+
+		# We need this to perform operations on the HTML
+		$sk =& $this->mOptions->getSkin();
+
+		# headline counter
+		$headlineCount = 0;
+		$sectionCount = 0; # headlineCount excluding template sections
+
+		# Ugh .. the TOC should have neat indentation levels which can be
+		# passed to the skin functions. These are determined here
+		$toc = '';
+		$full = '';
+		$head = array();
+		$sublevelCount = array();
+		$levelCount = array();
+		$toclevel = 0;
+		$level = 0;
+		$prevlevel = 0;
+		$toclevel = 0;
+		$prevtoclevel = 0;
+
+		foreach( $matches[3] as $headline ) {
+			$istemplate = 0;
+			$templatetitle = '';
+			$templatesection = 0;
+			$numbering = '';
+
+			if (preg_match("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", $headline, $mat)) {
+				$istemplate = 1;
+				$templatetitle = base64_decode($mat[1]);
+				$templatesection = 1 + (int)base64_decode($mat[2]);
+				$headline = preg_replace("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", "", $headline);
+			}
+
+			if( $toclevel ) {
+				$prevlevel = $level;
+				$prevtoclevel = $toclevel;
+			}
+			$level = $matches[1][$headlineCount];
+
+			if( $doNumberHeadings || $enoughToc ) {
+
+				if ( $level > $prevlevel ) {
+					# Increase TOC level
+					$toclevel++;
+					$sublevelCount[$toclevel] = 0;
+					if( $toclevel<$wgMaxTocLevel ) {
+						$toc .= $sk->tocIndent();
+					}
+				}
+				elseif ( $level < $prevlevel && $toclevel > 1 ) {
+					# Decrease TOC level, find level to jump to
+
+					if ( $toclevel == 2 && $level <= $levelCount[1] ) {
+						# Can only go down to level 1
+						$toclevel = 1;
+					} else {
+						for ($i = $toclevel; $i > 0; $i--) {
+							if ( $levelCount[$i] == $level ) {
+								# Found last matching level
+								$toclevel = $i;
+								break;
+							}
+							elseif ( $levelCount[$i] < $level ) {
+								# Found first matching level below current level
+								$toclevel = $i + 1;
+								break;
+							}
+						}
+					}
+					if( $toclevel<$wgMaxTocLevel ) {
+						$toc .= $sk->tocUnindent( $prevtoclevel - $toclevel );
+					}
+				}
+				else {
+					# No change in level, end TOC line
+					if( $toclevel<$wgMaxTocLevel ) {
+						$toc .= $sk->tocLineEnd();
+					}
+				}
+
+				$levelCount[$toclevel] = $level;
+
+				# count number of headlines for each level
+				@$sublevelCount[$toclevel]++;
+				$dot = 0;
+				for( $i = 1; $i <= $toclevel; $i++ ) {
+					if( !empty( $sublevelCount[$i] ) ) {
+						if( $dot ) {
+							$numbering .= '.';
+						}
+						$numbering .= $wgContLang->formatNum( $sublevelCount[$i] );
+						$dot = 1;
+					}
+				}
+			}
+
+			# The canonized header is a version of the header text safe to use for links
+			# Avoid insertion of weird stuff like <math> by expanding the relevant sections
+			$canonized_headline = $this->unstrip( $headline, $this->mStripState );
+			$canonized_headline = $this->unstripNoWiki( $canonized_headline, $this->mStripState );
+
+			# Remove link placeholders by the link text.
+			#     <!--LINK number-->
+			# turns into
+			#     link text with suffix
+			$canonized_headline = preg_replace( '/<!--LINK ([0-9]*)-->/e',
+							    "\$this->mLinkHolders['texts'][\$1]",
+							    $canonized_headline );
+			$canonized_headline = preg_replace( '/<!--IWLINK ([0-9]*)-->/e',
+							    "\$this->mInterwikiLinkHolders['texts'][\$1]",
+							    $canonized_headline );
+
+			# strip out HTML
+			$canonized_headline = preg_replace( '/<.*?' . '>/','',$canonized_headline );
+			$tocline = trim( $canonized_headline );
+			# Save headline for section edit hint before it's escaped
+			$headline_hint = trim( $canonized_headline );
+			$canonized_headline = Sanitizer::escapeId( $tocline );
+			$refers[$headlineCount] = $canonized_headline;
+
+			# count how many in assoc. array so we can track dupes in anchors
+			@$refers[$canonized_headline]++;
+			$refcount[$headlineCount]=$refers[$canonized_headline];
+
+			# Don't number the heading if it is the only one (looks silly)
+			if( $doNumberHeadings && count( $matches[3] ) > 1) {
+				# the two are different if the line contains a link
+				$headline=$numbering . ' ' . $headline;
+			}
+
+			# Create the anchor for linking from the TOC to the section
+			$anchor = $canonized_headline;
+			if($refcount[$headlineCount] > 1 ) {
+				$anchor .= '_' . $refcount[$headlineCount];
+			}
+			if( $enoughToc && ( !isset($wgMaxTocLevel) || $toclevel<$wgMaxTocLevel ) ) {
+				$toc .= $sk->tocLine($anchor, $tocline, $numbering, $toclevel);
+			}
+			if( $showEditLink && ( !$istemplate || $templatetitle !== "" ) ) {
+				if ( empty( $head[$headlineCount] ) ) {
+					$head[$headlineCount] = '';
+				}
+				if( $istemplate )
+					$head[$headlineCount] .= $sk->editSectionLinkForOther($templatetitle, $templatesection);
+				else
+					$head[$headlineCount] .= $sk->editSectionLink($this->mTitle, $sectionCount+1, $headline_hint);
+			}
+
+			# give headline the correct <h#> tag
+			@$head[$headlineCount] .= "<a name=\"$anchor\"></a><h".$level.$matches[2][$headlineCount] .$headline.'</h'.$level.'>';
+
+			$headlineCount++;
+			if( !$istemplate )
+				$sectionCount++;
+		}
+
+		if( $enoughToc ) {
+			if( $toclevel<$wgMaxTocLevel ) {
+				$toc .= $sk->tocUnindent( $toclevel - 1 );
+			}
+			$toc = $sk->tocList( $toc );
+		}
+
+		# split up and insert constructed headlines
+
+		$blocks = preg_split( '/<H[1-6].*?' . '>.*?<\/H[1-6]>/i', $text );
+		$i = 0;
+
+		foreach( $blocks as $block ) {
+			if( $showEditLink && $headlineCount > 0 && $i == 0 && $block != "\n" ) {
+				# This is the [edit] link that appears for the top block of text when
+				# section editing is enabled
+
+				# Disabled because it broke block formatting
+				# For example, a bullet point in the top line
+				# $full .= $sk->editSectionLink(0);
+			}
+			$full .= $block;
+			if( $enoughToc && !$i && $isMain && !$this->mForceTocPosition ) {
+				# Top anchor now in skin
+				$full = $full.$toc;
+			}
+
+			if( !empty( $head[$i] ) ) {
+				$full .= $head[$i];
+			}
+			$i++;
+		}
+		if( $this->mForceTocPosition ) {
+			return str_replace( '<!--MWTOC-->', $toc, $full );
+		} else {
+			return $full;
+		}
+	}
+
+	/**
+	 * Return an HTML link for the "ISBN 123456" text
+	 * @private
+	 */
+	function magicISBN( $text ) {
+		$fname = 'Parser::magicISBN';
+		wfProfileIn( $fname );
+
+		$a = split( 'ISBN ', ' '.$text );
+		if ( count ( $a ) < 2 ) {
+			wfProfileOut( $fname );
+			return $text;
+		}
+		$text = substr( array_shift( $a ), 1);
+		$valid = '0123456789-Xx';
+
+		foreach ( $a as $x ) {
+			# hack: don't replace inside thumbnail title/alt
+			# attributes
+			if(preg_match('/<[^>]+(alt|title)="[^">]*$/', $text)) {
+				$text .= "ISBN $x";
+				continue;
+			}
+
+			$isbn = $blank = '' ;
+			while ( $x !== '' && ' ' == $x{0} ) {
+				$blank .= ' ';
+				$x = substr( $x, 1 );
+			}
+			if ( $x == '' ) { # blank isbn
+				$text .= "ISBN $blank";
+				continue;
+			}
+			while ( strstr( $valid, $x{0} ) != false ) {
+				$isbn .= $x{0};
+				$x = substr( $x, 1 );
+			}
+			$num = str_replace( '-', '', $isbn );
+			$num = str_replace( ' ', '', $num );
+			$num = str_replace( 'x', 'X', $num );
+
+			if ( '' == $num ) {
+				$text .= "ISBN $blank$x";
+			} else {
+				$titleObj = Title::makeTitle( NS_SPECIAL, 'Booksources' );
+				$text .= '<a href="' .
+					$titleObj->escapeLocalUrl( 'isbn='.$num ) .
+					"\" class=\"internal\">ISBN $isbn</a>";
+				$text .= $x;
+			}
+		}
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/**
+	 * Return an HTML link for the "RFC 1234" text
+	 *
+	 * @private
+	 * @param string $text     Text to be processed
+	 * @param string $keyword  Magic keyword to use (default RFC)
+	 * @param string $urlmsg   Interface message to use (default rfcurl)
+	 * @return string
+	 */
+	function magicRFC( $text, $keyword='RFC ', $urlmsg='rfcurl'  ) {
+
+		$valid = '0123456789';
+		$internal = false;
+
+		$a = split( $keyword, ' '.$text );
+		if ( count ( $a ) < 2 ) {
+			return $text;
+		}
+		$text = substr( array_shift( $a ), 1);
+
+		/* Check if keyword is preceed by [[.
+		 * This test is made here cause of the array_shift above
+		 * that prevent the test to be done in the foreach.
+		 */
+		if ( substr( $text, -2 ) == '[[' ) {
+			$internal = true;
+		}
+
+		foreach ( $a as $x ) {
+			/* token might be empty if we have RFC RFC 1234 */
+			if ( $x=='' ) {
+				$text.=$keyword;
+				continue;
+				}
+
+			# hack: don't replace inside thumbnail title/alt
+			# attributes
+			if(preg_match('/<[^>]+(alt|title)="[^">]*$/', $text)) {
+				$text .= $keyword . $x;
+				continue;
+			}
+			
+			$id = $blank = '' ;
+
+			/** remove and save whitespaces in $blank */
+			while ( $x{0} == ' ' ) {
+				$blank .= ' ';
+				$x = substr( $x, 1 );
+			}
+
+			/** remove and save the rfc number in $id */
+			while ( strstr( $valid, $x{0} ) != false ) {
+				$id .= $x{0};
+				$x = substr( $x, 1 );
+			}
+
+			if ( $id == '' ) {
+				/* call back stripped spaces*/
+				$text .= $keyword.$blank.$x;
+			} elseif( $internal ) {
+				/* normal link */
+				$text .= $keyword.$id.$x;
+			} else {
+				/* build the external link*/
+				$url = wfMsg( $urlmsg, $id);
+				$sk =& $this->mOptions->getSkin();
+				$la = $sk->getExternalLinkAttributes( $url, $keyword.$id );
+				$text .= "<a href=\"{$url}\"{$la}>{$keyword}{$id}</a>{$x}";
+			}
+
+			/* Check if the next RFC keyword is preceed by [[ */
+			$internal = ( substr($x,-2) == '[[' );
+		}
+		return $text;
+	}
+
+	/**
+	 * Transform wiki markup when saving a page by doing \r\n -> \n
+	 * conversion, substitting signatures, {{subst:}} templates, etc.
+	 *
+	 * @param string $text the text to transform
+	 * @param Title &$title the Title object for the current article
+	 * @param User &$user the User object describing the current user
+	 * @param ParserOptions $options parsing options
+	 * @param bool $clearState whether to clear the parser state first
+	 * @return string the altered wiki markup
+	 * @public
+	 */
+	function preSaveTransform( $text, &$title, &$user, $options, $clearState = true ) {
+		$this->mOptions = $options;
+		$this->mTitle =& $title;
+		$this->mOutputType = OT_WIKI;
+
+		if ( $clearState ) {
+			$this->clearState();
+		}
+
+		$stripState = false;
+		$pairs = array(
+			"\r\n" => "\n",
+		);
+		$text = str_replace( array_keys( $pairs ), array_values( $pairs ), $text );
+		$text = $this->strip( $text, $stripState, true, array( 'gallery' ) );
+		$text = $this->pstPass2( $text, $stripState, $user );
+		$text = $this->unstrip( $text, $stripState );
+		$text = $this->unstripNoWiki( $text, $stripState );
+		return $text;
+	}
+
+	/**
+	 * Pre-save transform helper function
+	 * @private
+	 */
+	function pstPass2( $text, &$stripState, &$user ) {
+		global $wgContLang, $wgLocaltimezone;
+
+		/* Note: This is the timestamp saved as hardcoded wikitext to
+		 * the database, we use $wgContLang here in order to give
+		 * everyone the same signature and use the default one rather
+		 * than the one selected in each user's preferences.
+		 */
+		if ( isset( $wgLocaltimezone ) ) {
+			$oldtz = getenv( 'TZ' );
+			putenv( 'TZ='.$wgLocaltimezone );
+		}
+		$d = $wgContLang->timeanddate( date( 'YmdHis' ), false, false) .
+		  ' (' . date( 'T' ) . ')';
+		if ( isset( $wgLocaltimezone ) ) {
+			putenv( 'TZ='.$oldtz );
+		}
+
+		# Variable replacement
+		# Because mOutputType is OT_WIKI, this will only process {{subst:xxx}} type tags
+		$text = $this->replaceVariables( $text );
+		
+		# Strip out <nowiki> etc. added via replaceVariables
+		$text = $this->strip( $text, $stripState, false, array( 'gallery' ) );
+	
+		# Signatures
+		$sigText = $this->getUserSig( $user );
+		$text = strtr( $text, array(
+			'~~~~~' => $d,
+			'~~~~' => "$sigText $d",
+			'~~~' => $sigText
+		) );
+
+		# Context links: [[|name]] and [[name (context)|]]
+		#
+		global $wgLegalTitleChars;
+		$tc = "[$wgLegalTitleChars]";
+		$np = str_replace( array( '(', ')' ), array( '', '' ), $tc ); # No parens
+
+		$namespacechar = '[ _0-9A-Za-z\x80-\xff]'; # Namespaces can use non-ascii!
+		$conpat = "/^({$np}+) \\(({$tc}+)\\)$/";
+
+		$p1 = "/\[\[({$np}+) \\(({$np}+)\\)\\|]]/";		# [[page (context)|]]
+		$p2 = "/\[\[\\|({$tc}+)]]/";					# [[|page]]
+		$p3 = "/\[\[(:*$namespacechar+):({$np}+)\\|]]/";		# [[namespace:page|]] and [[:namespace:page|]]
+		$p4 = "/\[\[(:*$namespacechar+):({$np}+) \\(({$np}+)\\)\\|]]/"; # [[ns:page (cont)|]] and [[:ns:page (cont)|]]
+		$context = '';
+		$t = $this->mTitle->getText();
+		if ( preg_match( $conpat, $t, $m ) ) {
+			$context = $m[2];
+		}
+		$text = preg_replace( $p4, '[[\\1:\\2 (\\3)|\\2]]', $text );
+		$text = preg_replace( $p1, '[[\\1 (\\2)|\\1]]', $text );
+		$text = preg_replace( $p3, '[[\\1:\\2|\\2]]', $text );
+
+		if ( '' == $context ) {
+			$text = preg_replace( $p2, '[[\\1]]', $text );
+		} else {
+			$text = preg_replace( $p2, "[[\\1 ({$context})|\\1]]", $text );
+		}
+
+		# Trim trailing whitespace
+		# MAG_END (__END__) tag allows for trailing
+		# whitespace to be deliberately included
+		$text = rtrim( $text );
+		$mw =& MagicWord::get( MAG_END );
+		$mw->matchAndRemove( $text );
+
+		return $text;
+	}
+
+	/**
+	 * Fetch the user's signature text, if any, and normalize to
+	 * validated, ready-to-insert wikitext.
+	 *
+	 * @param User $user
+	 * @return string
+	 * @private
+	 */
+	function getUserSig( &$user ) {
+		$username = $user->getName();
+		$nickname = $user->getOption( 'nickname' );
+		$nickname = $nickname === '' ? $username : $nickname;
+	
+		if( $user->getBoolOption( 'fancysig' ) !== false ) {
+			# Sig. might contain markup; validate this
+			if( $this->validateSig( $nickname ) !== false ) {
+				# Validated; clean up (if needed) and return it
+				return $this->cleanSig( $nickname, true );
+			} else {
+				# Failed to validate; fall back to the default
+				$nickname = $username;
+				wfDebug( "Parser::getUserSig: $username has bad XML tags in signature.\n" );
+			}
+		}
+
+		// Make sure nickname doesnt get a sig in a sig
+		$nickname = $this->cleanSigInSig( $nickname );
+
+		# If we're still here, make it a link to the user page
+		$userpage = $user->getUserPage();
+		return( '[[' . $userpage->getPrefixedText() . '|' . wfEscapeWikiText( $nickname ) . ']]' );
+	}
+
+	/**
+	 * Check that the user's signature contains no bad XML
+	 *
+	 * @param string $text
+	 * @return mixed An expanded string, or false if invalid.
+	 */
+	function validateSig( $text ) {
+		return( wfIsWellFormedXmlFragment( $text ) ? $text : false );
+	}
+	
+	/**
+	 * Clean up signature text
+	 *
+	 * 1) Strip ~~~, ~~~~ and ~~~~~ out of signatures @see cleanSigInSig
+	 * 2) Substitute all transclusions
+	 *
+	 * @param string $text
+	 * @param $parsing Whether we're cleaning (preferences save) or parsing
+	 * @return string Signature text
+	 */
+	function cleanSig( $text, $parsing = false ) {
+		global $wgTitle;
+		$this->startExternalParse( $wgTitle, new ParserOptions(), $parsing ? OT_WIKI : OT_MSG );
+	
+		$substWord = MagicWord::get( MAG_SUBST );
+		$substRegex = '/\{\{(?!(?:' . $substWord->getBaseRegex() . '))/x' . $substWord->getRegexCase();
+		$substText = '{{' . $substWord->getSynonym( 0 );
+
+		$text = preg_replace( $substRegex, $substText, $text );
+		$text = $this->cleanSigInSig( $text );
+		$text = $this->replaceVariables( $text );
+		
+		$this->clearState();	
+		return $text;
+	}
+
+	/**
+	 * Strip ~~~, ~~~~ and ~~~~~ out of signatures
+	 * @param string $text
+	 * @return string Signature text with /~{3,5}/ removed
+	 */
+	function cleanSigInSig( $text ) {
+		$text = preg_replace( '/~{3,5}/', '', $text );
+		return $text;
+	}
+	
+	/**
+	 * Set up some variables which are usually set up in parse()
+	 * so that an external function can call some class members with confidence
+	 * @public
+	 */
+	function startExternalParse( &$title, $options, $outputType, $clearState = true ) {
+		$this->mTitle =& $title;
+		$this->mOptions = $options;
+		$this->mOutputType = $outputType;
+		if ( $clearState ) {
+			$this->clearState();
+		}
+	}
+
+	/**
+	 * Transform a MediaWiki message by replacing magic variables.
+	 *
+	 * @param string $text the text to transform
+	 * @param ParserOptions $options  options
+	 * @return string the text with variables substituted
+	 * @public
+	 */
+	function transformMsg( $text, $options ) {
+		global $wgTitle;
+		static $executing = false;
+
+		$fname = "Parser::transformMsg";
+
+		# Guard against infinite recursion
+		if ( $executing ) {
+			return $text;
+		}
+		$executing = true;
+
+		wfProfileIn($fname);
+
+		$this->mTitle = $wgTitle;
+		$this->mOptions = $options;
+		$this->mOutputType = OT_MSG;
+		$this->clearState();
+		$text = $this->replaceVariables( $text );
+
+		$executing = false;
+		wfProfileOut($fname);
+		return $text;
+	}
+
+	/**
+	 * Create an HTML-style tag, e.g. <yourtag>special text</yourtag>
+	 * The callback should have the following form:
+	 *    function myParserHook( $text, $params, &$parser ) { ... }
+	 *
+	 * Transform and return $text. Use $parser for any required context, e.g. use
+	 * $parser->getTitle() and $parser->getOptions() not $wgTitle or $wgOut->mParserOptions
+	 *
+	 * @public
+	 *
+	 * @param mixed $tag The tag to use, e.g. 'hook' for <hook>
+	 * @param mixed $callback The callback function (and object) to use for the tag
+	 *
+	 * @return The old value of the mTagHooks array associated with the hook
+	 */
+	function setHook( $tag, $callback ) {
+		$tag = strtolower( $tag );
+		$oldVal = @$this->mTagHooks[$tag];
+		$this->mTagHooks[$tag] = $callback;
+
+		return $oldVal;
+	}
+
+	/**
+	 * Create a function, e.g. {{sum:1|2|3}}
+	 * The callback function should have the form:
+	 *    function myParserFunction( &$parser, $arg1, $arg2, $arg3 ) { ... }
+	 *
+	 * The callback may either return the text result of the function, or an array with the text 
+	 * in element 0, and a number of flags in the other elements. The names of the flags are 
+	 * specified in the keys. Valid flags are:
+	 *   found                     The text returned is valid, stop processing the template. This 
+	 *                             is on by default.
+	 *   nowiki                    Wiki markup in the return value should be escaped
+	 *   noparse                   Unsafe HTML tags should not be stripped, etc.
+	 *   noargs                    Don't replace triple-brace arguments in the return value
+	 *   isHTML                    The returned text is HTML, armour it against wikitext transformation
+	 *
+	 * @public
+	 *
+	 * @param mixed $id The magic word ID, or (deprecated) the function name. Function names are case-insensitive.
+	 * @param mixed $callback The callback function (and object) to use
+	 * @param integer $flags a combination of the following flags: 
+	 *                SFH_NO_HASH No leading hash, i.e. {{plural:...}} instead of {{#if:...}}
+	 *
+	 * @return The old callback function for this name, if any
+	 */
+	function setFunctionHook( $id, $callback, $flags = 0 ) {
+		if( is_string( $id ) ) {
+			$id = strtolower( $id );
+		}
+		$oldVal = @$this->mFunctionHooks[$id];
+		$this->mFunctionHooks[$id] = $callback;
+
+		# Add to function cache
+		if ( is_int( $id ) ) {
+			$mw = MagicWord::get( $id );
+			$synonyms = $mw->getSynonyms();
+			$sensitive = intval( $mw->isCaseSensitive() );
+		} else {
+			$synonyms = array( $id );
+			$sensitive = 0;
+		}
+
+		foreach ( $synonyms as $syn ) {
+			# Case
+			if ( !$sensitive ) {
+				$syn = strtolower( $syn );
+			}
+			# Add leading hash
+			if ( !( $flags & SFH_NO_HASH ) ) {
+				$syn = '#' . $syn;
+			}
+			# Remove trailing colon
+			if ( substr( $syn, -1, 1 ) == ':' ) {
+				$syn = substr( $syn, 0, -1 );
+			}
+			$this->mFunctionSynonyms[$sensitive][$syn] = $id;
+		}
+		return $oldVal;
+	}
+
+	/**
+	 * Replace <!--LINK--> link placeholders with actual links, in the buffer
+	 * Placeholders created in Skin::makeLinkObj()
+	 * Returns an array of links found, indexed by PDBK:
+	 *  0 - broken
+	 *  1 - normal link
+	 *  2 - stub
+	 * $options is a bit field, RLH_FOR_UPDATE to select for update
+	 */
+	function replaceLinkHolders( &$text, $options = 0 ) {
+		global $wgUser;
+		global $wgOutputReplace;
+
+		$fname = 'Parser::replaceLinkHolders';
+		wfProfileIn( $fname );
+
+		$pdbks = array();
+		$colours = array();
+		$sk =& $this->mOptions->getSkin();
+		$linkCache =& LinkCache::singleton();
+
+		if ( !empty( $this->mLinkHolders['namespaces'] ) ) {
+			wfProfileIn( $fname.'-check' );
+			$dbr =& wfGetDB( DB_SLAVE );
+			$page = $dbr->tableName( 'page' );
+			$threshold = $wgUser->getOption('stubthreshold');
+
+			# Sort by namespace
+			asort( $this->mLinkHolders['namespaces'] );
+
+			# Generate query
+			$query = false;
+			foreach ( $this->mLinkHolders['namespaces'] as $key => $ns ) {
+				# Make title object
+				$title = $this->mLinkHolders['titles'][$key];
+
+				# Skip invalid entries.
+				# Result will be ugly, but prevents crash.
+				if ( is_null( $title ) ) {
+					continue;
+				}
+				$pdbk = $pdbks[$key] = $title->getPrefixedDBkey();
+
+				# Check if it's a static known link, e.g. interwiki
+				if ( $title->isAlwaysKnown() ) {
+					$colours[$pdbk] = 1;
+				} elseif ( ( $id = $linkCache->getGoodLinkID( $pdbk ) ) != 0 ) {
+					$colours[$pdbk] = 1;
+					$this->mOutput->addLink( $title, $id );
+				} elseif ( $linkCache->isBadLink( $pdbk ) ) {
+					$colours[$pdbk] = 0;
+				} else {
+					# Not in the link cache, add it to the query
+					if ( !isset( $current ) ) {
+						$current = $ns;
+						$query =  "SELECT page_id, page_namespace, page_title";
+						if ( $threshold > 0 ) {
+							$query .= ', page_len, page_is_redirect';
+						}
+						$query .= " FROM $page WHERE (page_namespace=$ns AND page_title IN(";
+					} elseif ( $current != $ns ) {
+						$current = $ns;
+						$query .= ")) OR (page_namespace=$ns AND page_title IN(";
+					} else {
+						$query .= ', ';
+					}
+
+					$query .= $dbr->addQuotes( $this->mLinkHolders['dbkeys'][$key] );
+				}
+			}
+			if ( $query ) {
+				$query .= '))';
+				if ( $options & RLH_FOR_UPDATE ) {
+					$query .= ' FOR UPDATE';
+				}
+
+				$res = $dbr->query( $query, $fname );
+
+				# Fetch data and form into an associative array
+				# non-existent = broken
+				# 1 = known
+				# 2 = stub
+				while ( $s = $dbr->fetchObject($res) ) {
+					$title = Title::makeTitle( $s->page_namespace, $s->page_title );
+					$pdbk = $title->getPrefixedDBkey();
+					$linkCache->addGoodLinkObj( $s->page_id, $title );
+					$this->mOutput->addLink( $title, $s->page_id );
+
+					if ( $threshold >  0 ) {
+						$size = $s->page_len;
+						if ( $s->page_is_redirect || $s->page_namespace != 0 || $size >= $threshold ) {
+							$colours[$pdbk] = 1;
+						} else {
+							$colours[$pdbk] = 2;
+						}
+					} else {
+						$colours[$pdbk] = 1;
+					}
+				}
+			}
+			wfProfileOut( $fname.'-check' );
+
+			# Construct search and replace arrays
+			wfProfileIn( $fname.'-construct' );
+			$wgOutputReplace = array();
+			foreach ( $this->mLinkHolders['namespaces'] as $key => $ns ) {
+				$pdbk = $pdbks[$key];
+				$searchkey = "<!--LINK $key-->";
+				$title = $this->mLinkHolders['titles'][$key];
+				if ( empty( $colours[$pdbk] ) ) {
+					$linkCache->addBadLinkObj( $title );
+					$colours[$pdbk] = 0;
+					$this->mOutput->addLink( $title, 0 );
+					$wgOutputReplace[$searchkey] = $sk->makeBrokenLinkObj( $title,
+									$this->mLinkHolders['texts'][$key],
+									$this->mLinkHolders['queries'][$key] );
+				} elseif ( $colours[$pdbk] == 1 ) {
+					$wgOutputReplace[$searchkey] = $sk->makeKnownLinkObj( $title,
+									$this->mLinkHolders['texts'][$key],
+									$this->mLinkHolders['queries'][$key] );
+				} elseif ( $colours[$pdbk] == 2 ) {
+					$wgOutputReplace[$searchkey] = $sk->makeStubLinkObj( $title,
+									$this->mLinkHolders['texts'][$key],
+									$this->mLinkHolders['queries'][$key] );
+				}
+			}
+			wfProfileOut( $fname.'-construct' );
+
+			# Do the thing
+			wfProfileIn( $fname.'-replace' );
+
+			$text = preg_replace_callback(
+				'/(<!--LINK .*?-->)/',
+				"wfOutputReplaceMatches",
+				$text);
+
+			wfProfileOut( $fname.'-replace' );
+		}
+
+		# Now process interwiki link holders
+		# This is quite a bit simpler than internal links
+		if ( !empty( $this->mInterwikiLinkHolders['texts'] ) ) {
+			wfProfileIn( $fname.'-interwiki' );
+			# Make interwiki link HTML
+			$wgOutputReplace = array();
+			foreach( $this->mInterwikiLinkHolders['texts'] as $key => $link ) {
+				$title = $this->mInterwikiLinkHolders['titles'][$key];
+				$wgOutputReplace[$key] = $sk->makeLinkObj( $title, $link );
+			}
+
+			$text = preg_replace_callback(
+				'/<!--IWLINK (.*?)-->/',
+				"wfOutputReplaceMatches",
+				$text );
+			wfProfileOut( $fname.'-interwiki' );
+		}
+
+		wfProfileOut( $fname );
+		return $colours;
+	}
+
+	/**
+	 * Replace <!--LINK--> link placeholders with plain text of links
+	 * (not HTML-formatted).
+	 * @param string $text
+	 * @return string
+	 */
+	function replaceLinkHoldersText( $text ) {
+		$fname = 'Parser::replaceLinkHoldersText';
+		wfProfileIn( $fname );
+
+		$text = preg_replace_callback(
+			'/<!--(LINK|IWLINK) (.*?)-->/',
+			array( &$this, 'replaceLinkHoldersTextCallback' ),
+			$text );
+
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/**
+	 * @param array $matches
+	 * @return string
+	 * @private
+	 */
+	function replaceLinkHoldersTextCallback( $matches ) {
+		$type = $matches[1];
+		$key  = $matches[2];
+		if( $type == 'LINK' ) {
+			if( isset( $this->mLinkHolders['texts'][$key] ) ) {
+				return $this->mLinkHolders['texts'][$key];
+			}
+		} elseif( $type == 'IWLINK' ) {
+			if( isset( $this->mInterwikiLinkHolders['texts'][$key] ) ) {
+				return $this->mInterwikiLinkHolders['texts'][$key];
+			}
+		}
+		return $matches[0];
+	}
+
+	/**
+	 * Tag hook handler for 'pre'.
+	 */
+	function renderPreTag( $text, $attribs, $parser ) {
+		// Backwards-compatibility hack
+		$content = preg_replace( '!<nowiki>(.*?)</nowiki>!is', '\\1', $text );
+		
+		$attribs = Sanitizer::validateTagAttributes( $attribs, 'pre' );
+		return wfOpenElement( 'pre', $attribs ) .
+			wfEscapeHTMLTagsOnly( $content ) .
+			'</pre>';
+	}
+	
+	/**
+	 * Renders an image gallery from a text with one line per image.
+	 * text labels may be given by using |-style alternative text. E.g.
+	 *   Image:one.jpg|The number "1"
+	 *   Image:tree.jpg|A tree
+	 * given as text will return the HTML of a gallery with two images,
+	 * labeled 'The number "1"' and
+	 * 'A tree'.
+	 */
+	function renderImageGallery( $text, $params ) {
+		$ig = new ImageGallery();
+		$ig->setShowBytes( false );
+		$ig->setShowFilename( false );
+		$ig->setParsing();
+		$ig->useSkin( $this->mOptions->getSkin() );
+
+		if( isset( $params['caption'] ) )
+			$ig->setCaption( $params['caption'] );
+		
+		$lines = explode( "\n", $text );
+		foreach ( $lines as $line ) {
+			# match lines like these:
+			# Image:someimage.jpg|This is some image
+			preg_match( "/^([^|]+)(\\|(.*))?$/", $line, $matches );
+			# Skip empty lines
+			if ( count( $matches ) == 0 ) {
+				continue;
+			}
+			$nt =& Title::newFromText( $matches[1] );
+			if( is_null( $nt ) ) {
+				# Bogus title. Ignore these so we don't bomb out later.
+				continue;
+			}
+			if ( isset( $matches[3] ) ) {
+				$label = $matches[3];
+			} else {
+				$label = '';
+			}
+
+			$pout = $this->parse( $label,
+				$this->mTitle,
+				$this->mOptions,
+				false, // Strip whitespace...?
+				false  // Don't clear state!
+			);
+			$html = $pout->getText();
+
+			$ig->add( new Image( $nt ), $html );
+
+			# Only add real images (bug #5586)
+			if ( $nt->getNamespace() == NS_IMAGE ) {
+				$this->mOutput->addImage( $nt->getDBkey() );
+			}
+		}
+		return $ig->toHTML();
+	}
+
+	/**
+	 * Parse image options text and use it to make an image
+	 */
+	function makeImage( &$nt, $options ) {
+		global $wgUseImageResize;
+
+		$align = '';
+
+		# Check if the options text is of the form "options|alt text"
+		# Options are:
+		#  * thumbnail       	make a thumbnail with enlarge-icon and caption, alignment depends on lang
+		#  * left		no resizing, just left align. label is used for alt= only
+		#  * right		same, but right aligned
+		#  * none		same, but not aligned
+		#  * ___px		scale to ___ pixels width, no aligning. e.g. use in taxobox
+		#  * center		center the image
+		#  * framed		Keep original image size, no magnify-button.
+
+		$part = explode( '|', $options);
+
+		$mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
+		$mwManualThumb =& MagicWord::get( MAG_IMG_MANUALTHUMB );
+		$mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
+		$mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
+		$mwNone   =& MagicWord::get( MAG_IMG_NONE );
+		$mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
+		$mwCenter =& MagicWord::get( MAG_IMG_CENTER );
+		$mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
+		$caption = '';
+
+		$width = $height = $framed = $thumb = false;
+		$manual_thumb = '' ;
+
+		foreach( $part as $key => $val ) {
+			if ( $wgUseImageResize && ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
+				$thumb=true;
+			} elseif ( ! is_null( $match = $mwManualThumb->matchVariableStartToEnd($val) ) ) {
+				# use manually specified thumbnail
+				$thumb=true;
+				$manual_thumb = $match;
+			} elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
+				# remember to set an alignment, don't render immediately
+				$align = 'right';
+			} elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
+				# remember to set an alignment, don't render immediately
+				$align = 'left';
+			} elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
+				# remember to set an alignment, don't render immediately
+				$align = 'center';
+			} elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
+				# remember to set an alignment, don't render immediately
+				$align = 'none';
+			} elseif ( $wgUseImageResize && ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
+				wfDebug( "MAG_IMG_WIDTH match: $match\n" );
+				# $match is the image width in pixels
+				if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
+					$width = intval( $m[1] );
+					$height = intval( $m[2] );
+				} else {
+					$width = intval($match);
+				}
+			} elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
+				$framed=true;
+			} else {
+				$caption = $val;
+			}
+		}
+		# Strip bad stuff out of the alt text
+		$alt = $this->replaceLinkHoldersText( $caption );
+
+		# make sure there are no placeholders in thumbnail attributes
+		# that are later expanded to html- so expand them now and
+		# remove the tags
+		$alt = $this->unstrip($alt, $this->mStripState); 
+		$alt = Sanitizer::stripAllTags( $alt );
+
+		# Linker does the rest
+		$sk =& $this->mOptions->getSkin();
+		return $sk->makeImageLinkObj( $nt, $caption, $alt, $align, $width, $height, $framed, $thumb, $manual_thumb );
+	}
+
+	/**
+	 * Set a flag in the output object indicating that the content is dynamic and
+	 * shouldn't be cached.
+	 */
+	function disableCache() {
+		wfDebug( "Parser output marked as uncacheable.\n" );
+		$this->mOutput->mCacheTime = -1;
+	}
+
+	/**#@+
+	 * Callback from the Sanitizer for expanding items found in HTML attribute
+	 * values, so they can be safely tested and escaped.
+	 * @param string $text
+	 * @param array $args
+	 * @return string
+	 * @private
+	 */
+	function attributeStripCallback( &$text, $args ) {
+		$text = $this->replaceVariables( $text, $args );
+		$text = $this->unstripForHTML( $text );
+		return $text;
+	}
+
+	function unstripForHTML( $text ) {
+		$text = $this->unstrip( $text, $this->mStripState );
+		$text = $this->unstripNoWiki( $text, $this->mStripState );
+		return $text;
+	}
+	/**#@-*/
+
+	/**#@+
+	 * Accessor/mutator
+	 */
+	function Title( $x = NULL ) { return wfSetVar( $this->mTitle, $x ); }
+	function Options( $x = NULL ) { return wfSetVar( $this->mOptions, $x ); }
+	function OutputType( $x = NULL ) { return wfSetVar( $this->mOutputType, $x ); }
+	/**#@-*/
+
+	/**#@+
+	 * Accessor
+	 */
+	function getTags() { return array_keys( $this->mTagHooks ); }
+	/**#@-*/
+
+
+	/**
+	 * Break wikitext input into sections, and either pull or replace
+	 * some particular section's text.
+	 *
+	 * External callers should use the getSection and replaceSection methods.
+	 *
+	 * @param $text Page wikitext
+	 * @param $section Numbered section. 0 pulls the text before the first
+	 *                 heading; other numbers will pull the given section
+	 *                 along with its lower-level subsections.
+	 * @param $mode One of "get" or "replace"
+	 * @param $newtext Replacement text for section data.
+	 * @return string for "get", the extracted section text.
+	 *                for "replace", the whole page with the section replaced.
+	 */
+	private function extractSections( $text, $section, $mode, $newtext='' ) {
+		# strip NOWIKI etc. to avoid confusion (true-parameter causes HTML
+		# comments to be stripped as well)
+		$striparray = array();
+		
+		$oldOutputType = $this->mOutputType;
+		$oldOptions = $this->mOptions;
+		$this->mOptions = new ParserOptions();
+		$this->mOutputType = OT_WIKI;
+		
+		$striptext = $this->strip( $text, $striparray, true );
+		
+		$this->mOutputType = $oldOutputType;
+		$this->mOptions = $oldOptions;
+
+		# now that we can be sure that no pseudo-sections are in the source,
+		# split it up by section
+		$uniq = preg_quote( $this->uniqPrefix(), '/' );
+		$comment = "(?:$uniq-!--.*?QINU)";
+		$secs = preg_split(
+		/*
+			"/
+			^(
+			(?:$comment|<\/?noinclude>)* # Initial comments will be stripped
+			(?:
+				(=+) # Should this be limited to 6?
+				.+?  # Section title...
+				\\2  # Ending = count must match start
+			|
+				^
+				<h([1-6])\b.*?>
+				.*?
+				<\/h\\3\s*>
+			)
+			(?:$comment|<\/?noinclude>|\s+)* # Trailing whitespace ok
+			)$
+			/mix",
+		*/
+			"/
+			(
+				^
+				(?:$comment|<\/?noinclude>)* # Initial comments will be stripped
+				(=+) # Should this be limited to 6?
+				.+?  # Section title...
+				\\2  # Ending = count must match start
+				(?:$comment|<\/?noinclude>|[ \\t]+)* # Trailing whitespace ok
+				$
+			|
+				<h([1-6])\b.*?>
+				.*?
+				<\/h\\3\s*>
+			)
+			/mix",
+			$striptext, -1,
+			PREG_SPLIT_DELIM_CAPTURE);
+		
+		if( $mode == "get" ) {
+			if( $section == 0 ) {
+				// "Section 0" returns the content before any other section.
+				$rv = $secs[0];
+			} else {
+				$rv = "";
+			}
+		} elseif( $mode == "replace" ) {
+			if( $section == 0 ) {
+				$rv = $newtext . "\n\n";
+				$remainder = true;
+			} else {
+				$rv = $secs[0];
+				$remainder = false;
+			}
+		}
+		$count = 0;
+		$sectionLevel = 0;
+		for( $index = 1; $index < count( $secs ); ) {
+			$headerLine = $secs[$index++];
+			if( $secs[$index] ) {
+				// A wiki header
+				$headerLevel = strlen( $secs[$index++] );
+			} else {
+				// An HTML header
+				$index++;
+				$headerLevel = intval( $secs[$index++] );
+			}
+			$content = $secs[$index++];
+
+			$count++;
+			if( $mode == "get" ) {
+				if( $count == $section ) {
+					$rv = $headerLine . $content;
+					$sectionLevel = $headerLevel;
+				} elseif( $count > $section ) {
+					if( $sectionLevel && $headerLevel > $sectionLevel ) {
+						$rv .= $headerLine . $content;
+					} else {
+						// Broke out to a higher-level section
+						break;
+					}
+				}
+			} elseif( $mode == "replace" ) {
+				if( $count < $section ) {
+					$rv .= $headerLine . $content;
+				} elseif( $count == $section ) {
+					$rv .= $newtext . "\n\n";
+					$sectionLevel = $headerLevel;
+				} elseif( $count > $section ) {
+					if( $headerLevel <= $sectionLevel ) {
+						// Passed the section's sub-parts.
+						$remainder = true;
+					}
+					if( $remainder ) {
+						$rv .= $headerLine . $content;
+					}
+				}
+			}
+		}
+		# reinsert stripped tags
+		$rv = $this->unstrip( $rv, $striparray );
+		$rv = $this->unstripNoWiki( $rv, $striparray );
+		$rv = trim( $rv );
+		return $rv;
+	}
+	
+	/**
+	 * This function returns the text of a section, specified by a number ($section).
+	 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
+	 * the first section before any such heading (section 0).
+	 *
+	 * If a section contains subsections, these are also returned.
+	 *
+	 * @param $text String: text to look in
+	 * @param $section Integer: section number
+	 * @return string text of the requested section
+	 */
+	function getSection( $text, $section ) {
+		return $this->extractSections( $text, $section, "get" );
+	}
+	
+	function replaceSection( $oldtext, $section, $text ) {
+		return $this->extractSections( $oldtext, $section, "replace", $text );
+	}
+
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class ParserOutput
+{
+	var $mText,             # The output text
+		$mLanguageLinks,    # List of the full text of language links, in the order they appear
+		$mCategories,       # Map of category names to sort keys
+		$mContainsOldMagic, # Boolean variable indicating if the input contained variables like {{CURRENTDAY}}
+		$mCacheTime,        # Time when this object was generated, or -1 for uncacheable. Used in ParserCache.
+		$mVersion,          # Compatibility check
+		$mTitleText,        # title text of the chosen language variant
+		$mLinks,            # 2-D map of NS/DBK to ID for the links in the document. ID=zero for broken.
+		$mTemplates,        # 2-D map of NS/DBK to ID for the template references. ID=zero for broken.
+		$mImages,           # DB keys of the images used, in the array key only
+		$mExternalLinks,    # External link URLs, in the key only
+		$mHTMLtitle,		# Display HTML title
+		$mSubtitle,			# Additional subtitle
+		$mNewSection,		# Show a new section link?
+		$mNoGallery;		# No gallery on category page? (__NOGALLERY__)
+
+	function ParserOutput( $text = '', $languageLinks = array(), $categoryLinks = array(),
+		$containsOldMagic = false, $titletext = '' )
+	{
+		$this->mText = $text;
+		$this->mLanguageLinks = $languageLinks;
+		$this->mCategories = $categoryLinks;
+		$this->mContainsOldMagic = $containsOldMagic;
+		$this->mCacheTime = '';
+		$this->mVersion = MW_PARSER_VERSION;
+		$this->mTitleText = $titletext;
+		$this->mLinks = array();
+		$this->mTemplates = array();
+		$this->mImages = array();
+		$this->mExternalLinks = array();
+		$this->mHTMLtitle = "" ;
+		$this->mSubtitle = "" ;
+		$this->mNewSection = false;
+		$this->mNoGallery = false;
+	}
+
+	function getText()                   { return $this->mText; }
+	function &getLanguageLinks()          { return $this->mLanguageLinks; }
+	function getCategoryLinks()          { return array_keys( $this->mCategories ); }
+	function &getCategories()            { return $this->mCategories; }
+	function getCacheTime()              { return $this->mCacheTime; }
+	function getTitleText()              { return $this->mTitleText; }
+	function &getLinks()                 { return $this->mLinks; }
+	function &getTemplates()             { return $this->mTemplates; }
+	function &getImages()                { return $this->mImages; }
+	function &getExternalLinks()         { return $this->mExternalLinks; }
+	function getNoGallery()              { return $this->mNoGallery; }
+
+	function containsOldMagic()          { return $this->mContainsOldMagic; }
+	function setText( $text )            { return wfSetVar( $this->mText, $text ); }
+	function setLanguageLinks( $ll )     { return wfSetVar( $this->mLanguageLinks, $ll ); }
+	function setCategoryLinks( $cl )     { return wfSetVar( $this->mCategories, $cl ); }
+	function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
+	function setCacheTime( $t )          { return wfSetVar( $this->mCacheTime, $t ); }
+	function setTitleText( $t )          { return wfSetVar ($this->mTitleText, $t); }
+
+	function addCategory( $c, $sort )    { $this->mCategories[$c] = $sort; }
+	function addImage( $name )           { $this->mImages[$name] = 1; }
+	function addLanguageLink( $t )       { $this->mLanguageLinks[] = $t; }
+	function addExternalLink( $url )     { $this->mExternalLinks[$url] = 1; }
+	
+	function setNewSection( $value ) {
+		$this->mNewSection = (bool)$value;
+	}
+	function getNewSection() {
+		return (bool)$this->mNewSection;
+	}
+
+	function addLink( $title, $id ) {
+		$ns = $title->getNamespace();
+		$dbk = $title->getDBkey();
+		if ( !isset( $this->mLinks[$ns] ) ) {
+			$this->mLinks[$ns] = array();
+		}
+		$this->mLinks[$ns][$dbk] = $id;
+	}
+
+	function addTemplate( $title, $id ) {
+		$ns = $title->getNamespace();
+		$dbk = $title->getDBkey();
+		if ( !isset( $this->mTemplates[$ns] ) ) {
+			$this->mTemplates[$ns] = array();
+		}
+		$this->mTemplates[$ns][$dbk] = $id;
+	}
+
+	/**
+	 * Return true if this cached output object predates the global or
+	 * per-article cache invalidation timestamps, or if it comes from
+	 * an incompatible older version.
+	 *
+	 * @param string $touched the affected article's last touched timestamp
+	 * @return bool
+	 * @public
+	 */
+	function expired( $touched ) {
+		global $wgCacheEpoch;
+		return $this->getCacheTime() == -1 || // parser says it's uncacheable
+		       $this->getCacheTime() < $touched ||
+		       $this->getCacheTime() <= $wgCacheEpoch ||
+		       !isset( $this->mVersion ) ||
+		       version_compare( $this->mVersion, MW_PARSER_VERSION, "lt" );
+	}
+}
+
+/**
+ * Set options of the Parser
+ * @todo document
+ * @package MediaWiki
+ */
+class ParserOptions
+{
+	# All variables are private
+	var $mUseTeX;                    # Use texvc to expand <math> tags
+	var $mUseDynamicDates;           # Use DateFormatter to format dates
+	var $mInterwikiMagic;            # Interlanguage links are removed and returned in an array
+	var $mAllowExternalImages;       # Allow external images inline
+	var $mAllowExternalImagesFrom;   # If not, any exception?
+	var $mSkin;                      # Reference to the preferred skin
+	var $mDateFormat;                # Date format index
+	var $mEditSection;               # Create "edit section" links
+	var $mNumberHeadings;            # Automatically number headings
+	var $mAllowSpecialInclusion;     # Allow inclusion of special pages
+	var $mTidy;                      # Ask for tidy cleanup
+	var $mInterfaceMessage;          # Which lang to call for PLURAL and GRAMMAR
+
+	var $mUser;                      # Stored user object, just used to initialise the skin
+
+	function getUseTeX()                        { return $this->mUseTeX; }
+	function getUseDynamicDates()               { return $this->mUseDynamicDates; }
+	function getInterwikiMagic()                { return $this->mInterwikiMagic; }
+	function getAllowExternalImages()           { return $this->mAllowExternalImages; }
+	function getAllowExternalImagesFrom()       { return $this->mAllowExternalImagesFrom; }
+	function getDateFormat()                    { return $this->mDateFormat; }
+	function getEditSection()                   { return $this->mEditSection; }
+	function getNumberHeadings()                { return $this->mNumberHeadings; }
+	function getAllowSpecialInclusion()         { return $this->mAllowSpecialInclusion; }
+	function getTidy()                          { return $this->mTidy; }
+	function getInterfaceMessage()              { return $this->mInterfaceMessage; }
+
+	function &getSkin() {
+		if ( !isset( $this->mSkin ) ) {
+			$this->mSkin = $this->mUser->getSkin();
+		}
+		return $this->mSkin;
+	}
+
+	function setUseTeX( $x )                    { return wfSetVar( $this->mUseTeX, $x ); }
+	function setUseDynamicDates( $x )           { return wfSetVar( $this->mUseDynamicDates, $x ); }
+	function setInterwikiMagic( $x )            { return wfSetVar( $this->mInterwikiMagic, $x ); }
+	function setAllowExternalImages( $x )       { return wfSetVar( $this->mAllowExternalImages, $x ); }
+	function setAllowExternalImagesFrom( $x )   { return wfSetVar( $this->mAllowExternalImagesFrom, $x ); }
+	function setDateFormat( $x )                { return wfSetVar( $this->mDateFormat, $x ); }
+	function setEditSection( $x )               { return wfSetVar( $this->mEditSection, $x ); }
+	function setNumberHeadings( $x )            { return wfSetVar( $this->mNumberHeadings, $x ); }
+	function setAllowSpecialInclusion( $x )     { return wfSetVar( $this->mAllowSpecialInclusion, $x ); }
+	function setTidy( $x )                      { return wfSetVar( $this->mTidy, $x); }
+	function setSkin( &$x ) { $this->mSkin =& $x; }
+	function setInterfaceMessage( $x )          { return wfSetVar( $this->mInterfaceMessage, $x); }
+
+	function ParserOptions( $user = null ) {
+		$this->initialiseFromUser( $user );
+	}
+
+	/**
+	 * Get parser options
+	 * @static
+	 */
+	function newFromUser( &$user ) {
+		return new ParserOptions( $user );
+	}
+
+	/** Get user options */
+	function initialiseFromUser( &$userInput ) {
+		global $wgUseTeX, $wgUseDynamicDates, $wgInterwikiMagic, $wgAllowExternalImages;
+		global $wgAllowExternalImagesFrom, $wgAllowSpecialInclusion;
+		$fname = 'ParserOptions::initialiseFromUser';
+		wfProfileIn( $fname );
+		if ( !$userInput ) {
+			global $wgUser;
+			if ( isset( $wgUser ) ) {
+				$user = $wgUser;
+			} else {
+				$user = new User;
+				$user->setLoaded( true );
+			}
+		} else {
+			$user =& $userInput;
+		}
+
+		$this->mUser = $user;
+
+		$this->mUseTeX = $wgUseTeX;
+		$this->mUseDynamicDates = $wgUseDynamicDates;
+		$this->mInterwikiMagic = $wgInterwikiMagic;
+		$this->mAllowExternalImages = $wgAllowExternalImages;
+		$this->mAllowExternalImagesFrom = $wgAllowExternalImagesFrom;
+		$this->mSkin = null; # Deferred
+		$this->mDateFormat = $user->getOption( 'date' );
+		$this->mEditSection = true;
+		$this->mNumberHeadings = $user->getOption( 'numberheadings' );
+		$this->mAllowSpecialInclusion = $wgAllowSpecialInclusion;
+		$this->mTidy = false;
+		$this->mInterfaceMessage = false;
+		wfProfileOut( $fname );
+	}
+}
+
+/**
+ * Callback function used by Parser::replaceLinkHolders()
+ * to substitute link placeholders.
+ */
+function &wfOutputReplaceMatches( $matches ) {
+	global $wgOutputReplace;
+	return $wgOutputReplace[$matches[1]];
+}
+
+/**
+ * Return the total number of articles
+ */
+function wfNumberOfArticles() {
+	global $wgNumberOfArticles;
+
+	wfLoadSiteStats();
+	return $wgNumberOfArticles;
+}
+
+/**
+ * Return the number of files
+ */
+function wfNumberOfFiles() {
+	$fname = 'wfNumberOfFiles';
+
+	wfProfileIn( $fname );
+	$dbr =& wfGetDB( DB_SLAVE );
+	$numImages = $dbr->selectField('site_stats', 'ss_images', array(), $fname );
+	wfProfileOut( $fname );
+
+	return $numImages;
+}
+
+/**
+ * Return the number of user accounts
+ * @return integer
+ */
+function wfNumberOfUsers() {
+	wfProfileIn( 'wfNumberOfUsers' );
+	$dbr =& wfGetDB( DB_SLAVE );
+	$count = $dbr->selectField( 'site_stats', 'ss_users', array(), 'wfNumberOfUsers' );
+	wfProfileOut( 'wfNumberOfUsers' );
+	return (int)$count;
+}
+
+/**
+ * Return the total number of pages
+ * @return integer
+ */
+function wfNumberOfPages() {
+	wfProfileIn( 'wfNumberOfPages' );
+	$dbr =& wfGetDB( DB_SLAVE );
+	$count = $dbr->selectField( 'site_stats', 'ss_total_pages', array(), 'wfNumberOfPages' );
+	wfProfileOut( 'wfNumberOfPages' );
+	return (int)$count;
+}
+
+/**
+ * Return the total number of admins
+ *
+ * @return integer
+ */
+function wfNumberOfAdmins() {
+	static $admins = -1;
+	wfProfileIn( 'wfNumberOfAdmins' );
+	if( $admins == -1 ) {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$admins = $dbr->selectField( 'user_groups', 'COUNT(*)', array( 'ug_group' => 'sysop' ), 'wfNumberOfAdmins' );
+	}
+	wfProfileOut( 'wfNumberOfAdmins' );
+	return (int)$admins;
+}
+
+/**
+ * Count the number of pages in a particular namespace
+ *
+ * @param $ns Namespace
+ * @return integer
+ */
+function wfPagesInNs( $ns ) {
+	static $pageCount = array();
+	wfProfileIn( 'wfPagesInNs' );
+	if( !isset( $pageCount[$ns] ) ) {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$pageCount[$ns] = $dbr->selectField( 'page', 'COUNT(*)', array( 'page_namespace' => $ns ), 'wfPagesInNs' );
+	}
+	wfProfileOut( 'wfPagesInNs' );
+	return (int)$pageCount[$ns];
+}
+
+/**
+ * Get various statistics from the database
+ * @private
+ */
+function wfLoadSiteStats() {
+	global $wgNumberOfArticles, $wgTotalViews, $wgTotalEdits;
+	$fname = 'wfLoadSiteStats';
+
+	if ( -1 != $wgNumberOfArticles ) return;
+	$dbr =& wfGetDB( DB_SLAVE );
+	$s = $dbr->selectRow( 'site_stats',
+		array( 'ss_total_views', 'ss_total_edits', 'ss_good_articles' ),
+		array( 'ss_row_id' => 1 ), $fname
+	);
+
+	if ( $s === false ) {
+		return;
+	} else {
+		$wgTotalViews = $s->ss_total_views;
+		$wgTotalEdits = $s->ss_total_edits;
+		$wgNumberOfArticles = $s->ss_good_articles;
+	}
+}
+
+/**
+ * Escape html tags
+ * Basically replacing " > and < with HTML entities ( &quot;, &gt;, &lt;)
+ *
+ * @param $in String: text that might contain HTML tags.
+ * @return string Escaped string
+ */
+function wfEscapeHTMLTagsOnly( $in ) {
+	return str_replace(
+		array( '"', '>', '<' ),
+		array( '&quot;', '&gt;', '&lt;' ),
+		$in );
+}
+
+?>
diff --git a/includes/ParserCache.php b/includes/ParserCache.php
new file mode 100644
index 00000000..3ec7512f
--- /dev/null
+++ b/includes/ParserCache.php
@@ -0,0 +1,127 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+
+/**
+ *
+ * @package MediaWiki
+ */
+class ParserCache {
+	/**
+	 * Get an instance of this object
+	 */
+	function &singleton() {
+		static $instance;
+		if ( !isset( $instance ) ) {
+			global $parserMemc;
+			$instance = new ParserCache( $parserMemc );
+		}
+		return $instance;
+	}
+
+	/**
+	 * Setup a cache pathway with a given back-end storage mechanism.
+	 * May be a memcached client or a BagOStuff derivative.
+	 *
+	 * @param object $memCached
+	 */
+	function ParserCache( &$memCached ) {
+		$this->mMemc =& $memCached;
+	}
+
+	function getKey( &$article, &$user ) {
+		global $wgDBname, $action;
+		$hash = $user->getPageRenderingHash();
+		if( !$article->mTitle->userCanEdit() ) {
+			// section edit links are suppressed even if the user has them on
+			$edit = '!edit=0';
+		} else {
+			$edit = '';
+		}
+		$pageid = intval( $article->getID() );
+		$renderkey = (int)($action == 'render');
+		$key = "$wgDBname:pcache:idhash:$pageid-$renderkey!$hash$edit";
+		return $key;
+	}
+
+	function getETag( &$article, &$user ) {
+		return 'W/"' . $this->getKey($article, $user) . "--" . $article->mTouched. '"';
+	}
+
+	function get( &$article, &$user ) {
+		global $wgCacheEpoch;
+		$fname = 'ParserCache::get';
+		wfProfileIn( $fname );
+
+		$hash = $user->getPageRenderingHash();
+		$pageid = intval( $article->getID() );
+		$key = $this->getKey( $article, $user );
+
+		wfDebug( "Trying parser cache $key\n" );
+		$value = $this->mMemc->get( $key );
+		if ( is_object( $value ) ) {
+			wfDebug( "Found.\n" );
+			# Delete if article has changed since the cache was made
+			$canCache = $article->checkTouched();
+			$cacheTime = $value->getCacheTime();
+			$touched = $article->mTouched;
+			if ( !$canCache || $value->expired( $touched ) ) {
+				if ( !$canCache ) {
+					wfIncrStats( "pcache_miss_invalid" );
+					wfDebug( "Invalid cached redirect, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
+				} else {
+					wfIncrStats( "pcache_miss_expired" );
+					wfDebug( "Key expired, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
+				}
+				$this->mMemc->delete( $key );
+				$value = false;
+			} else {
+				if ( isset( $value->mTimestamp ) ) {
+					$article->mTimestamp = $value->mTimestamp;
+				}
+				wfIncrStats( "pcache_hit" );
+			}
+		} else {
+			wfDebug( "Parser cache miss.\n" );
+			wfIncrStats( "pcache_miss_absent" );
+			$value = false;
+		}
+
+		wfProfileOut( $fname );
+		return $value;
+	}
+
+	function save( $parserOutput, &$article, &$user ){
+		global $wgParserCacheExpireTime;
+		$key = $this->getKey( $article, $user );
+		
+		if( $parserOutput->getCacheTime() != -1 ) {
+		
+			$now = wfTimestampNow();
+			$parserOutput->setCacheTime( $now );
+	
+			// Save the timestamp so that we don't have to load the revision row on view
+			$parserOutput->mTimestamp = $article->getTimestamp();
+			
+			$parserOutput->mText .= "\n<!-- Saved in parser cache with key $key and timestamp $now -->\n";
+			wfDebug( "Saved in parser cache with key $key and timestamp $now\n" );
+	
+			if( $parserOutput->containsOldMagic() ){
+				$expire = 3600; # 1 hour
+			} else {
+				$expire = $wgParserCacheExpireTime;
+			}
+			$this->mMemc->set( $key, $parserOutput, $expire );
+		
+		} else {
+			wfDebug( "Parser output was marked as uncacheable and has not been saved.\n" );
+		}
+		
+	}
+	
+}
+
+?>
diff --git a/includes/ParserXML.php b/includes/ParserXML.php
new file mode 100644
index 00000000..e7b64f6e
--- /dev/null
+++ b/includes/ParserXML.php
@@ -0,0 +1,643 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage Experimental
+ */
+
+/** */
+require_once ('Parser.php');
+
+/**
+ * This should one day become the XML->(X)HTML parser
+ * Based on work by Jan Hidders and Magnus Manske
+ * To use, set
+ *    $wgUseXMLparser = true ;
+ *    $wgEnableParserCache = false ;
+ *    $wgWiki2xml to the path and executable of the command line version (cli)
+ * in LocalSettings.php
+ * @package MediaWiki
+ * @subpackage Experimental
+ */
+
+/**
+ * the base class for an element
+ * @package MediaWiki
+ * @subpackage Experimental
+ */
+class element {
+	var $name = '';
+	var $attrs = array ();
+	var $children = array ();
+
+	/**
+	* This finds the ATTRS element and returns the ATTR sub-children as a single string
+	* @todo FIXME $parser always empty when calling makeXHTML()
+	*/
+	function getSourceAttrs() {
+		$ret = '';
+		foreach ($this->children as $child) {
+			if (!is_string($child) AND $child->name == 'ATTRS') {
+				$ret = $child->makeXHTML($parser);
+			}
+		}
+		return $ret;
+	}
+
+	/**
+	 * This collects the ATTR thingies for getSourceAttrs()
+	 */
+	function getTheseAttrs() {
+		$ret = array ();
+		foreach ($this->children as $child) {
+			if (!is_string($child) AND $child->name == 'ATTR') {
+				$ret[] = $child->attrs["NAME"]."='".$child->children[0]."'";
+			}
+		}
+		return implode(' ', $ret);
+	}
+
+	function fixLinkTails(& $parser, $key) {
+		$k2 = $key +1;
+		if (!isset ($this->children[$k2]))
+			return;
+		if (!is_string($this->children[$k2]))
+			return;
+		if (is_string($this->children[$key]))
+			return;
+		if ($this->children[$key]->name != "LINK")
+			return;
+
+		$n = $this->children[$k2];
+		$s = '';
+		while ($n != '' AND (($n[0] >= 'a' AND $n[0] <= 'z') OR $n[0] == 'ä' OR $n[0] == 'ö' OR $n[0] == 'ü' OR $n[0] == 'ß')) {
+			$s .= $n[0];
+			$n = substr($n, 1);
+		}
+		$this->children[$k2] = $n;
+
+		if (count($this->children[$key]->children) > 1) {
+			$kl = array_keys($this->children[$key]->children);
+			$kl = array_pop($kl);
+			$this->children[$key]->children[$kl]->children[] = $s;
+		} else {
+			$e = new element;
+			$e->name = "LINKOPTION";
+			$t = $this->children[$key]->sub_makeXHTML($parser);
+			$e->children[] = trim($t).$s;
+			$this->children[$key]->children[] = $e;
+		}
+	}
+
+	/**
+	* This function generates the XHTML for the entire subtree
+	*/
+	function sub_makeXHTML(& $parser, $tag = '', $attr = '') {
+		$ret = '';
+
+		$attr2 = $this->getSourceAttrs();
+		if ($attr != '' AND $attr2 != '')
+			$attr .= ' ';
+		$attr .= $attr2;
+
+		if ($tag != '') {
+			$ret .= '<'.$tag;
+			if ($attr != '')
+				$ret .= ' '.$attr;
+			$ret .= '>';
+		}
+
+		# THIS SHOULD BE DONE IN THE WIKI2XML-PARSER INSTEAD
+		#	foreach ( array_keys ( $this->children ) AS $x )
+		#	   $this->fixLinkTails ( $parser , $x ) ;
+
+		foreach ($this->children as $child) {
+			if (is_string($child)) {
+				$ret .= $child;
+			} elseif ($child->name != 'ATTRS') {
+				$ret .= $child->makeXHTML($parser);
+			}
+		}
+		if ($tag != '')
+			$ret .= '</'.$tag.">\n";
+		return $ret;
+	}
+
+	/**
+	* Link functions
+	*/
+	function createInternalLink(& $parser, $target, $display_title, $options) {
+		global $wgUser;
+		$skin = $wgUser->getSkin();
+		$tp = explode(':', $target); # tp = target parts
+		$title = ''; # The plain title
+		$language = ''; # The language/meta/etc. part
+		$namespace = ''; # The namespace, if any
+		$subtarget = ''; # The '#' thingy
+
+		$nt = Title :: newFromText($target);
+		$fl = strtoupper($this->attrs['FORCEDLINK']) == 'YES';
+
+		if ($fl || count($tp) == 1) {
+			# Plain and simple case
+			$title = $target;
+		} else {
+			# There's stuff missing here...
+			if ($nt->getNamespace() == NS_IMAGE) {
+				$options[] = $display_title;
+				return $parser->makeImage($nt, implode('|', $options));
+			} else {
+				# Default
+				$title = $target;
+			}
+		}
+
+		if ($language != '') {
+			# External link within the WikiMedia project
+			return "{language link}";
+		} else {
+			if ($namespace != '') {
+				# Link to another namespace, check for image/media stuff
+				return "{namespace link}";
+			} else {
+				return $skin->makeLink($target, $display_title);
+			}
+		}
+	}
+
+	/** @todo document */
+	function makeInternalLink(& $parser) {
+		$target = '';
+		$option = array ();
+		foreach ($this->children as $child) {
+			if (is_string($child)) {
+				# This shouldn't be the case!
+			} else {
+				if ($child->name == 'LINKTARGET') {
+					$target = trim($child->makeXHTML($parser));
+				} else {
+					$option[] = trim($child->makeXHTML($parser));
+				}
+			}
+		}
+
+		if (count($option) == 0)
+			$option[] = $target; # Create dummy display title
+		$display_title = array_pop($option);
+		return $this->createInternalLink($parser, $target, $display_title, $option);
+	}
+
+	/** @todo document */
+	function getTemplateXHTML($title, $parts, & $parser) {
+		global $wgLang, $wgUser;
+		$skin = $wgUser->getSkin();
+		$ot = $title; # Original title
+		if (count(explode(':', $title)) == 1)
+			$title = $wgLang->getNsText(NS_TEMPLATE).":".$title;
+		$nt = Title :: newFromText($title);
+		$id = $nt->getArticleID();
+		if ($id == 0) {
+			# No/non-existing page
+			return $skin->makeBrokenLink($title, $ot);
+		}
+
+		$a = 0;
+		$tv = array (); # Template variables
+		foreach ($parts AS $part) {
+			$a ++;
+			$x = explode('=', $part, 2);
+			if (count($x) == 1)
+				$key = "{$a}";
+			else
+				$key = $x[0];
+			$value = array_pop($x);
+			$tv[$key] = $value;
+		}
+		$art = new Article($nt);
+		$text = $art->getContent(false);
+		$parser->plain_parse($text, true, $tv);
+
+		return $text;
+	}
+
+	/**
+	 * This function actually converts wikiXML into XHTML tags
+	 * @todo use switch() !
+	 */
+	function makeXHTML(& $parser) {
+		$ret = '';
+		$n = $this->name; # Shortcut
+
+		if ($n == 'EXTENSION') {
+			# Fix allowed HTML
+			$old_n = $n;
+			$ext = strtoupper($this->attrs['NAME']);
+
+			switch($ext) {
+				case 'B':
+				case 'STRONG':
+					$n = 'BOLD';
+					break;
+				case 'I':
+				case 'EM':
+					$n = 'ITALICS';
+					break;
+				case 'U':
+					$n = 'UNDERLINED'; # Hey, virtual wiki tag! ;-)
+					break;
+				case 'S':
+					$n = 'STRIKE';
+					break;
+				case 'P':
+					$n = 'PARAGRAPH';
+					break;
+				case 'TABLE':
+					$n = 'TABLE';
+					break;
+				case 'TR':
+					$n = 'TABLEROW';
+					break;
+				case 'TD':
+					$n = 'TABLECELL';
+					break;
+				case 'TH':
+					$n = 'TABLEHEAD';
+					break;
+				case 'CAPTION':
+					$n = 'CAPTION';
+					break;
+				case 'NOWIKI':
+					$n = 'NOWIKI';
+					break;
+				}
+			if ($n != $old_n) {
+				unset ($this->attrs['NAME']); # Cleanup
+			} elseif ($parser->nowiki > 0) {
+				# No 'real' wiki tags allowed in nowiki section
+				$n = '';
+			}
+		} // $n = 'EXTENSION'
+
+		switch($n) {
+			case 'ARTICLE':
+				$ret .= $this->sub_makeXHTML($parser);
+				break;
+			case 'HEADING':
+				$ret .= $this->sub_makeXHTML($parser, 'h'.$this->attrs['LEVEL']);
+				break;
+			case 'PARAGRAPH':
+				$ret .= $this->sub_makeXHTML($parser, 'p');
+				break;
+			case 'BOLD':
+				$ret .= $this->sub_makeXHTML($parser, 'strong');
+				break;
+			case 'ITALICS':
+				$ret .= $this->sub_makeXHTML($parser, 'em');
+				break;
+
+			# These don't exist as wiki markup
+			case 'UNDERLINED':
+				$ret .= $this->sub_makeXHTML($parser, 'u');
+				break;
+			case 'STRIKE':
+				$ret .= $this->sub_makeXHTML($parser, 'strike');
+				break;
+
+			# HTML comment
+			case 'COMMENT':
+				# Comments are parsed out
+				$ret .= '';
+				break;
+
+
+			# Links
+			case 'LINK':
+				$ret .= $this->makeInternalLink($parser);
+				break;
+			case 'LINKTARGET':
+			case 'LINKOPTION':
+				$ret .= $this->sub_makeXHTML($parser);
+				break;
+
+			case 'TEMPLATE':
+				$parts = $this->sub_makeXHTML($parser);
+				$parts = explode('|', $parts);
+				$title = array_shift($parts);
+				$ret .= $this->getTemplateXHTML($title, $parts, & $parser);
+				break;
+
+			case 'TEMPLATEVAR':
+				$x = $this->sub_makeXHTML($parser);
+				if (isset ($parser->mCurrentTemplateOptions["{$x}"]))
+					$ret .= $parser->mCurrentTemplateOptions["{$x}"];
+				break;
+
+			# Internal use, not generated by wiki2xml parser
+			case 'IGNORE':
+				$ret .= $this->sub_makeXHTML($parser);
+
+			case 'NOWIKI':
+				$parser->nowiki++;
+				$ret .= $this->sub_makeXHTML($parser, '');
+				$parser->nowiki--;
+
+
+			# Unknown HTML extension
+			case 'EXTENSION': # This is currently a dummy!!!
+				$ext = $this->attrs['NAME'];
+
+				$ret .= '&lt;'.$ext.'&gt;';
+				$ret .= $this->sub_makeXHTML($parser);
+				$ret .= '&lt;/'.$ext.'&gt; ';
+				break;
+
+
+			# Table stuff
+
+			case 'TABLE':
+				$ret .= $this->sub_makeXHTML($parser, 'table');
+				break;
+			case 'TABLEROW':
+				$ret .= $this->sub_makeXHTML($parser, 'tr');
+				break;
+			case 'TABLECELL':
+				$ret .= $this->sub_makeXHTML($parser, 'td');
+				break;
+			case 'TABLEHEAD':
+				$ret .= $this->sub_makeXHTML($parser, 'th');
+				break;
+			case 'CAPTION':
+				$ret .= $this->sub_makeXHTML($parser, 'caption');
+				break;
+			case 'ATTRS': # SPECIAL CASE : returning attributes
+				return $this->getTheseAttrs();
+
+
+			# Lists stuff
+			case 'LISTITEM':
+				if ($parser->mListType == 'dl')
+					$ret .= $this->sub_makeXHTML($parser, 'dd');
+				else
+					$ret .= $this->sub_makeXHTML($parser, 'li');
+				break;
+			case 'LIST':
+					$type = 'ol'; # Default
+					if ($this->attrs['TYPE'] == 'bullet')
+						$type = 'ul';
+					else
+						if ($this->attrs['TYPE'] == 'indent')
+							$type = 'dl';
+					$oldtype = $parser->mListType;
+					$parser->mListType = $type;
+					$ret .= $this->sub_makeXHTML($parser, $type);
+					$parser->mListType = $oldtype;
+				break;
+
+			# Something else entirely
+			default:
+				$ret .= '&lt;'.$n.'&gt;';
+				$ret .= $this->sub_makeXHTML($parser);
+				$ret .= '&lt;/'.$n.'&gt; ';
+			} // switch($n)
+
+		$ret = "\n{$ret}\n";
+		$ret = str_replace("\n\n", "\n", $ret);
+		return $ret;
+	}
+
+	/**
+	 * A function for additional debugging output
+	 */
+	function myPrint() {
+		$ret = "<ul>\n";
+		$ret .= "<li> <b> Name: </b> $this->name </li>\n";
+		// print attributes
+		$ret .= '<li> <b> Attributes: </b>';
+		foreach ($this->attrs as $name => $value) {
+			$ret .= "$name => $value; ";
+		}
+		$ret .= " </li>\n";
+		// print children
+		foreach ($this->children as $child) {
+			if (is_string($child)) {
+				$ret .= "<li> $child </li>\n";
+			} else {
+				$ret .= $child->myPrint();
+			}
+		}
+		$ret .= "</ul>\n";
+		return $ret;
+	}
+}
+
+$ancStack = array (); // the stack with ancestral elements
+
+// START Three global functions needed for parsing, sorry guys
+/** @todo document */
+function wgXMLstartElement($parser, $name, $attrs) {
+	global $ancStack;
+
+	$newElem = new element;
+	$newElem->name = $name;
+	$newElem->attrs = $attrs;
+
+	array_push($ancStack, $newElem);
+}
+
+/** @todo document */
+function wgXMLendElement($parser, $name) {
+	global $ancStack, $rootElem;
+	// pop element off stack
+	$elem = array_pop($ancStack);
+	if (count($ancStack) == 0)
+		$rootElem = $elem;
+	else
+		// add it to its parent
+		array_push($ancStack[count($ancStack) - 1]->children, $elem);
+}
+
+/** @todo document */
+function wgXMLcharacterData($parser, $data) {
+	global $ancStack;
+	$data = trim($data); // Don't add blank lines, they're no use...
+	// add to parent if parent exists
+	if ($ancStack && $data != "") {
+		array_push($ancStack[count($ancStack) - 1]->children, $data);
+	}
+}
+// END Three global functions needed for parsing, sorry guys
+
+/**
+ * Here's the class that generates a nice tree
+ * @package MediaWiki
+ * @subpackage Experimental
+ */
+class xml2php {
+
+	/** @todo document */
+	function & scanFile($filename) {
+		global $ancStack, $rootElem;
+		$ancStack = array ();
+
+		$xml_parser = xml_parser_create();
+		xml_set_element_handler($xml_parser, 'wgXMLstartElement', 'wgXMLendElement');
+		xml_set_character_data_handler($xml_parser, 'wgXMLcharacterData');
+		if (!($fp = fopen($filename, 'r'))) {
+			die('could not open XML input');
+		}
+		while ($data = fread($fp, 4096)) {
+			if (!xml_parse($xml_parser, $data, feof($fp))) {
+				die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($xml_parser)), xml_get_current_line_number($xml_parser)));
+			}
+		}
+		xml_parser_free($xml_parser);
+
+		// return the remaining root element we copied in the beginning
+		return $rootElem;
+	}
+
+	/** @todo document */
+	function scanString($input) {
+		global $ancStack, $rootElem;
+		$ancStack = array ();
+
+		$xml_parser = xml_parser_create();
+		xml_set_element_handler($xml_parser, 'wgXMLstartElement', 'wgXMLendElement');
+		xml_set_character_data_handler($xml_parser, 'wgXMLcharacterData');
+
+		if (!xml_parse($xml_parser, $input, true)) {
+			die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($xml_parser)), xml_get_current_line_number($xml_parser)));
+		}
+		xml_parser_free($xml_parser);
+
+		// return the remaining root element we copied in the beginning
+		return $rootElem;
+	}
+
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ * @subpackage Experimental
+ */
+class ParserXML extends Parser {
+	/**#@+
+	 * @private
+	 */
+	# Persistent:
+	var $mTagHooks, $mListType;
+
+	# Cleared with clearState():
+	var $mOutput, $mAutonumber, $mDTopen, $mStripState = array ();
+	var $mVariables, $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
+
+	# Temporary:
+	var $mOptions, $mTitle, $mOutputType, $mTemplates, // cache of already loaded templates, avoids
+	// multiple SQL queries for the same string
+	$mTemplatePath; // stores an unsorted hash of all the templates already loaded
+	// in this path. Used for loop detection.
+
+	var $nowikicount, $mCurrentTemplateOptions;
+
+	/**#@-*/
+
+	/**
+	 * Constructor
+	 *
+	 * @public
+	 */
+	function ParserXML() {
+		$this->mTemplates = array ();
+		$this->mTemplatePath = array ();
+		$this->mTagHooks = array ();
+		$this->clearState();
+	}
+
+	/**
+	 * Clear Parser state
+	 *
+	 * @private
+	 */
+	function clearState() {
+		$this->mOutput = new ParserOutput;
+		$this->mAutonumber = 0;
+		$this->mLastSection = "";
+		$this->mDTopen = false;
+		$this->mVariables = false;
+		$this->mIncludeCount = array ();
+		$this->mStripState = array ();
+		$this->mArgStack = array ();
+		$this->mInPre = false;
+	}
+
+	/**
+	* Turns the wikitext into XML by calling the external parser
+	*
+	*/
+	function html2xml(& $text) {
+		global $wgWiki2xml;
+
+		# generating html2xml command path
+		$a = $wgWiki2xml;
+		$a = explode('/', $a);
+		array_pop($a);
+		$a[] = 'html2xml';
+		$html2xml = implode('/', $a);
+		$a = array ();
+
+		$tmpfname = tempnam( wfTempDir(), 'FOO' );
+		$handle = fopen($tmpfname, 'w');
+		fwrite($handle, utf8_encode($text));
+		fclose($handle);
+		exec($html2xml.' < '.$tmpfname, $a);
+		$text = utf8_decode(implode("\n", $a));
+		unlink($tmpfname);
+	}
+
+	/** @todo document */
+	function runXMLparser(& $text) {
+		global $wgWiki2xml;
+
+		$this->html2xml($text);
+
+		$tmpfname = tempnam( wfTempDir(), 'FOO');
+		$handle = fopen($tmpfname, 'w');
+		fwrite($handle, $text);
+		fclose($handle);
+		exec($wgWiki2xml.' < '.$tmpfname, $a);
+		$text = utf8_decode(implode("\n", $a));
+		unlink($tmpfname);
+	}
+
+	/** @todo document */
+	function plain_parse(& $text, $inline = false, $templateOptions = array ()) {
+		$this->runXMLparser($text);
+		$nowikicount = 0;
+		$w = new xml2php;
+		$result = $w->scanString($text);
+
+		$oldTemplateOptions = $this->mCurrentTemplateOptions;
+		$this->mCurrentTemplateOptions = $templateOptions;
+
+		if ($inline) { # Inline rendering off for templates
+			if (count($result->children) == 1)
+				$result->children[0]->name = 'IGNORE';
+		}
+
+		if (1)
+			$text = $result->makeXHTML($this); # No debugging info
+		else
+			$text = $result->makeXHTML($this).'<hr>'.$text.'<hr>'.$result->myPrint();
+		$this->mCurrentTemplateOptions = $oldTemplateOptions;
+	}
+
+	/** @todo document */
+	function parse($text, & $title, $options, $linestart = true, $clearState = true) {
+		$this->plain_parse($text);
+		$this->mOutput->setText($text);
+		return $this->mOutput;
+	}
+
+}
+?>
diff --git a/includes/ProfilerSimple.php b/includes/ProfilerSimple.php
new file mode 100644
index 00000000..ed058c65
--- /dev/null
+++ b/includes/ProfilerSimple.php
@@ -0,0 +1,108 @@
+<?php
+/**
+ * Simple profiler base class
+ * @package MediaWiki
+ */
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+require_once(dirname(__FILE__).'/Profiling.php');
+
+class ProfilerSimple extends Profiler {
+	function ProfilerSimple() {
+		global $wgRequestTime,$wgRUstart;
+		if (!empty($wgRequestTime) && !empty($wgRUstart)) {
+			$this->mWorkStack[] = array( '-total', 0, $wgRequestTime,$this->getCpuTime($wgRUstart));
+
+			$elapsedcpu = $this->getCpuTime() - $this->getCpuTime($wgRUstart);
+			$elapsedreal = microtime(true) - $wgRequestTime;
+
+			$entry =& $this->mCollated["-setup"];
+			if (!is_array($entry)) {
+				$entry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
+				$this->mCollated[$functionname] =& $entry;
+				
+			}
+			$entry['cpu'] += $elapsedcpu;
+			$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
+			$entry['real'] += $elapsedreal;
+			$entry['real_sq'] += $elapsedreal*$elapsedreal;
+			$entry['count']++;
+		}
+	}
+
+	function profileIn($functionname) {
+		global $wgDebugFunctionEntry;
+		if ($wgDebugFunctionEntry) {
+			$this->debug(str_repeat(' ', count($this->mWorkStack)).'Entering '.$functionname."\n");
+		}
+		$this->mWorkStack[] = array($functionname, count( $this->mWorkStack ), microtime(true), $this->getCpuTime());		
+	}
+
+	function profileOut($functionname) {
+		$memory = memory_get_usage();
+
+		global $wgDebugFunctionEntry;
+
+		if ($wgDebugFunctionEntry) {
+			$this->debug(str_repeat(' ', count($this->mWorkStack) - 1).'Exiting '.$functionname."\n");
+		}
+
+		list($ofname,$ocount,$ortime,$octime) = array_pop($this->mWorkStack);
+
+		if (!$ofname) {
+			$this->debug("Profiling error: $functionname\n");
+		} else {
+			if ($functionname == 'close') {
+				$message = "Profile section ended by close(): {$ofname}";
+				$functionname = $ofname;
+				$this->debug( "$message\n" );
+			}
+			elseif ($ofname != $functionname) {
+				$message = "Profiling error: in({$ofname}), out($functionname)";
+				$this->debug( "$message\n" );
+			}
+			$entry =& $this->mCollated[$functionname];
+			$elapsedcpu = $this->getCpuTime() - $octime;
+			$elapsedreal = microtime(true) - $ortime;
+			if (!is_array($entry)) {
+				$entry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
+				$this->mCollated[$functionname] =& $entry;
+				
+			}
+			$entry['cpu'] += $elapsedcpu;
+			$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
+			$entry['real'] += $elapsedreal;
+			$entry['real_sq'] += $elapsedreal*$elapsedreal;
+			$entry['count']++;
+
+		}
+	}
+
+	function getFunctionReport() {
+		/* Implement in output subclasses */
+	}
+
+	function getCpuTime($ru=null) {
+		if ($ru==null)
+			$ru=getrusage();
+		return ($ru['ru_utime.tv_sec']+$ru['ru_stime.tv_sec']+($ru['ru_utime.tv_usec']+$ru['ru_stime.tv_usec'])*1e-6);
+	}
+
+	/* If argument is passed, it assumes that it is dual-format time string, returns proper float time value */
+	function getTime($time=null) {
+		if ($time==null)
+			return microtime(true);
+		list($a,$b)=explode(" ",$time);
+		return (float)($a+$b);
+	}
+
+	function debug( $s ) {
+		if (function_exists( 'wfDebug' ) ) {
+			wfDebug( $s );
+		}
+	}
+}
+?>
diff --git a/includes/ProfilerSimpleUDP.php b/includes/ProfilerSimpleUDP.php
new file mode 100644
index 00000000..c395228b
--- /dev/null
+++ b/includes/ProfilerSimpleUDP.php
@@ -0,0 +1,34 @@
+<?php
+/* ProfilerSimpleUDP class, that sends out messages for 'udpprofile' daemon
+   (the one from wikipedia/udpprofile CVS )
+*/
+
+require_once(dirname(__FILE__).'/Profiling.php');
+require_once(dirname(__FILE__).'/ProfilerSimple.php');
+
+class ProfilerSimpleUDP extends ProfilerSimple {
+	function getFunctionReport() {
+		global $wgUDPProfilerHost;
+		global $wgUDPProfilerPort;
+		global $wgDBname;
+
+		$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
+		$plength=0;
+		$packet="";
+		foreach ($this->mCollated as $entry=>$pfdata) {
+			$pfline=sprintf ("%s %s %d %f %f %f %f %s\n", $wgDBname,"-",$pfdata['count'],
+				$pfdata['cpu'],$pfdata['cpu_sq'],$pfdata['real'],$pfdata['real_sq'],$entry);
+			$length=strlen($pfline);
+			/* printf("<!-- $pfline -->"); */
+			if ($length+$plength>1400) {
+				socket_sendto($sock,$packet,$plength,0,$wgUDPProfilerHost,$wgUDPProfilerPort);
+				$packet="";
+				$plength=0;
+			}
+			$packet.=$pfline;
+			$plength+=$length;
+		}
+		socket_sendto($sock,$packet,$plength,0x100,$wgUDPProfilerHost,$wgUDPProfilerPort);
+	}
+}
+?>
diff --git a/includes/ProfilerStub.php b/includes/ProfilerStub.php
new file mode 100644
index 00000000..3bcdaab2
--- /dev/null
+++ b/includes/ProfilerStub.php
@@ -0,0 +1,26 @@
+<?php
+
+# Stub profiling functions
+
+$haveProctitle=function_exists("setproctitle");
+function wfProfileIn( $fn = '' ) {
+	global $hackwhere, $wgDBname, $haveProctitle;
+	if ($haveProctitle) {
+		$hackwhere[] = $fn;
+		setproctitle($fn . " [$wgDBname]");
+	}
+}
+function wfProfileOut( $fn = '' ) {
+	global $hackwhere, $wgDBname, $haveProctitle;
+	if (!$haveProctitle)
+		return;
+	if (count($hackwhere))
+		array_pop($hackwhere);
+	if (count($hackwhere))
+		setproctitle($hackwhere[count($hackwhere)-1] . " [$wgDBname]");
+}
+function wfGetProfilingOutput( $s, $e ) {}
+function wfProfileClose() {}
+function wfLogProfilingData() {}
+
+?>
diff --git a/includes/Profiling.php b/includes/Profiling.php
new file mode 100644
index 00000000..edecc4f3
--- /dev/null
+++ b/includes/Profiling.php
@@ -0,0 +1,353 @@
+<?php
+/**
+ * This file is only included if profiling is enabled
+ * @package MediaWiki
+ */
+
+/**
+ * @param $functioname name of the function we will profile
+ */
+function wfProfileIn($functionname) {
+	global $wgProfiler;
+	$wgProfiler->profileIn($functionname);
+}
+
+/**
+ * @param $functioname name of the function we have profiled
+ */
+function wfProfileOut($functionname = 'missing') {
+	global $wgProfiler;
+	$wgProfiler->profileOut($functionname);
+}
+
+function wfGetProfilingOutput($start, $elapsed) {
+	global $wgProfiler;
+	return $wgProfiler->getOutput($start, $elapsed);
+}
+
+function wfProfileClose() {
+	global $wgProfiler;
+	$wgProfiler->close();
+}
+
+if (!function_exists('memory_get_usage')) {
+	# Old PHP or --enable-memory-limit not compiled in
+	function memory_get_usage() {
+		return 0;
+	}
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class Profiler {
+	var $mStack = array (), $mWorkStack = array (), $mCollated = array ();
+	var $mCalls = array (), $mTotals = array ();
+
+	function Profiler()
+	{
+		// Push an entry for the pre-profile setup time onto the stack
+		global $wgRequestTime;
+		if ( !empty( $wgRequestTime ) ) {
+			$this->mWorkStack[] = array( '-total', 0, $wgRequestTime, 0 );
+			$this->mStack[] = array( '-setup', 1, $wgRequestTime, 0, microtime(true), 0 );
+		} else {
+			$this->profileIn( '-total' );
+		}
+
+	}
+
+	function profileIn($functionname) {
+		global $wgDebugFunctionEntry;
+		if ($wgDebugFunctionEntry && function_exists('wfDebug')) {
+			wfDebug(str_repeat(' ', count($this->mWorkStack)).'Entering '.$functionname."\n");
+		}
+		$this->mWorkStack[] = array($functionname, count( $this->mWorkStack ), $this->getTime(), memory_get_usage());
+	}
+
+	function profileOut($functionname) {
+		$memory = memory_get_usage();
+		$time = $this->getTime();
+
+		global $wgDebugFunctionEntry;
+
+		if ($wgDebugFunctionEntry && function_exists('wfDebug')) {
+			wfDebug(str_repeat(' ', count($this->mWorkStack) - 1).'Exiting '.$functionname."\n");
+		}
+
+		$bit = array_pop($this->mWorkStack);
+
+		if (!$bit) {
+			wfDebug("Profiling error, !\$bit: $functionname\n");
+		} else {
+			//if ($wgDebugProfiling) {
+				if ($functionname == 'close') {
+					$message = "Profile section ended by close(): {$bit[0]}";
+					wfDebug( "$message\n" );
+					$this->mStack[] = array( $message, 0, '0 0', 0, '0 0', 0 );
+				}
+				elseif ($bit[0] != $functionname) {
+					$message = "Profiling error: in({$bit[0]}), out($functionname)";
+					wfDebug( "$message\n" );
+					$this->mStack[] = array( $message, 0, '0 0', 0, '0 0', 0 );
+				}
+			//}
+			$bit[] = $time;
+			$bit[] = $memory;
+			$this->mStack[] = $bit;
+		}
+	}
+
+	function close() {
+		while (count($this->mWorkStack)) {
+			$this->profileOut('close');
+		}
+	}
+
+	function getOutput() {
+		global $wgDebugFunctionEntry;
+		$wgDebugFunctionEntry = false;
+
+		if (!count($this->mStack) && !count($this->mCollated)) {
+			return "No profiling output\n";
+		}
+		$this->close();
+
+		global $wgProfileCallTree;
+		if ($wgProfileCallTree) {
+			return $this->getCallTree();
+		} else {
+			return $this->getFunctionReport();
+		}
+	}
+
+	function getCallTree($start = 0) {
+		return implode('', array_map(array (& $this, 'getCallTreeLine'), $this->remapCallTree($this->mStack)));
+	}
+
+	function remapCallTree($stack) {
+		if (count($stack) < 2) {
+			return $stack;
+		}
+		$outputs = array ();
+		for ($max = count($stack) - 1; $max > 0;) {
+			/* Find all items under this entry */
+			$level = $stack[$max][1];
+			$working = array ();
+			for ($i = $max -1; $i >= 0; $i --) {
+				if ($stack[$i][1] > $level) {
+					$working[] = $stack[$i];
+				} else {
+					break;
+				}
+			}
+			$working = $this->remapCallTree(array_reverse($working));
+			$output = array ();
+			foreach ($working as $item) {
+				array_push($output, $item);
+			}
+			array_unshift($output, $stack[$max]);
+			$max = $i;
+
+			array_unshift($outputs, $output);
+		}
+		$final = array ();
+		foreach ($outputs as $output) {
+			foreach ($output as $item) {
+				$final[] = $item;
+			}
+		}
+		return $final;
+	}
+
+	function getCallTreeLine($entry) {
+		list ($fname, $level, $start, $x, $end) = $entry;
+		$delta = $end - $start;
+		$space = str_repeat(' ', $level);
+
+		# The ugly double sprintf is to work around a PHP bug,
+		# which has been fixed in recent releases.
+		return sprintf( "%10s %s %s\n",
+			trim( sprintf( "%7.3f", $delta * 1000.0 ) ),
+			$space, $fname );
+	}
+
+	function getTime() {
+		return microtime(true);
+		#return $this->getUserTime();
+	}
+
+	function getUserTime() {
+		$ru = getrusage();
+		return $ru['ru_utime.tv_sec'].' '.$ru['ru_utime.tv_usec'] / 1e6;
+	}
+
+	function getFunctionReport() {
+		$width = 140;
+		$nameWidth = $width - 65;
+		$format =      "%-{$nameWidth}s %6d %13.3f %13.3f %13.3f%% %9d  (%13.3f -%13.3f) [%d]\n";
+		$titleFormat = "%-{$nameWidth}s %6s %13s %13s %13s %9s\n";
+		$prof = "\nProfiling data\n";
+		$prof .= sprintf($titleFormat, 'Name', 'Calls', 'Total', 'Each', '%', 'Mem');
+		$this->mCollated = array ();
+		$this->mCalls = array ();
+		$this->mMemory = array ();
+
+		# Estimate profiling overhead
+		$profileCount = count($this->mStack);
+		wfProfileIn('-overhead-total');
+		for ($i = 0; $i < $profileCount; $i ++) {
+			wfProfileIn('-overhead-internal');
+			wfProfileOut('-overhead-internal');
+		}
+		wfProfileOut('-overhead-total');
+
+		# First, subtract the overhead!
+		foreach ($this->mStack as $entry) {
+			$fname = $entry[0];
+			$thislevel = $entry[1];
+			$start = $entry[2];
+			$end = $entry[4];
+			$elapsed = $end - $start;
+			$memory = $entry[5] - $entry[3];
+
+			if ($fname == '-overhead-total') {
+				$overheadTotal[] = $elapsed;
+				$overheadMemory[] = $memory;
+			}
+			elseif ($fname == '-overhead-internal') {
+				$overheadInternal[] = $elapsed;
+			}
+		}
+		$overheadTotal = array_sum($overheadTotal) / count($overheadInternal);
+		$overheadMemory = array_sum($overheadMemory) / count($overheadInternal);
+		$overheadInternal = array_sum($overheadInternal) / count($overheadInternal);
+
+		# Collate
+		foreach ($this->mStack as $index => $entry) {
+			$fname = $entry[0];
+			$thislevel = $entry[1];
+			$start = $entry[2];
+			$end = $entry[4];
+			$elapsed = $end - $start;
+
+			$memory = $entry[5] - $entry[3];
+			$subcalls = $this->calltreeCount($this->mStack, $index);
+
+			if (!preg_match('/^-overhead/', $fname)) {
+				# Adjust for profiling overhead (except special values with elapsed=0
+				if ( $elapsed ) {
+					$elapsed -= $overheadInternal;
+					$elapsed -= ($subcalls * $overheadTotal);
+					$memory -= ($subcalls * $overheadMemory);
+				}
+			}
+
+			if (!array_key_exists($fname, $this->mCollated)) {
+				$this->mCollated[$fname] = 0;
+				$this->mCalls[$fname] = 0;
+				$this->mMemory[$fname] = 0;
+				$this->mMin[$fname] = 1 << 24;
+				$this->mMax[$fname] = 0;
+				$this->mOverhead[$fname] = 0;
+			}
+
+			$this->mCollated[$fname] += $elapsed;
+			$this->mCalls[$fname]++;
+			$this->mMemory[$fname] += $memory;
+			$this->mMin[$fname] = min($this->mMin[$fname], $elapsed);
+			$this->mMax[$fname] = max($this->mMax[$fname], $elapsed);
+			$this->mOverhead[$fname] += $subcalls;
+		}
+
+		$total = @ $this->mCollated['-total'];
+		$this->mCalls['-overhead-total'] = $profileCount;
+
+		# Output
+		asort($this->mCollated, SORT_NUMERIC);
+		foreach ($this->mCollated as $fname => $elapsed) {
+			$calls = $this->mCalls[$fname];
+			$percent = $total ? 100. * $elapsed / $total : 0;
+			$memory = $this->mMemory[$fname];
+			$prof .= sprintf($format, substr($fname, 0, $nameWidth), $calls, (float) ($elapsed * 1000), (float) ($elapsed * 1000) / $calls, $percent, $memory, ($this->mMin[$fname] * 1000.0), ($this->mMax[$fname] * 1000.0), $this->mOverhead[$fname]);
+
+			global $wgProfileToDatabase;
+			if ($wgProfileToDatabase) {
+				Profiler :: logToDB($fname, (float) ($elapsed * 1000), $calls);
+			}
+		}
+		$prof .= "\nTotal: $total\n\n";
+
+		return $prof;
+	}
+
+	/**
+	 * Counts the number of profiled function calls sitting under
+	 * the given point in the call graph. Not the most efficient algo.
+	 *
+	 * @param $stack Array:
+	 * @param $start Integer:
+	 * @return Integer
+	 * @private
+	 */
+	function calltreeCount(& $stack, $start) {
+		$level = $stack[$start][1];
+		$count = 0;
+		for ($i = $start -1; $i >= 0 && $stack[$i][1] > $level; $i --) {
+			$count ++;
+		}
+		return $count;
+	}
+
+	/**
+	 * @static
+	 */
+	function logToDB($name, $timeSum, $eventCount) {
+		# Warning: $wguname is a live patch, it should be moved to Setup.php
+		global $wguname, $wgProfilePerHost;
+
+		$fname = 'Profiler::logToDB';
+		$dbw = & wfGetDB(DB_MASTER);
+		if (!is_object($dbw))
+			return false;
+		$errorState = $dbw->ignoreErrors( true );
+		$profiling = $dbw->tableName('profiling');
+
+		$name = substr($name, 0, 255);
+		$encname = $dbw->strencode($name);
+		
+		if ($wgProfilePerHost) {
+			$pfhost = $wguname['nodename'];
+		} else {
+			$pfhost = '';
+		}
+
+		$sql = "UPDATE $profiling "."SET pf_count=pf_count+{$eventCount}, "."pf_time=pf_time + {$timeSum} ".
+			"WHERE pf_name='{$encname}' AND pf_server='{$pfhost}'";
+		$dbw->query($sql);
+
+		$rc = $dbw->affectedRows();
+		if ($rc == 0) {
+			$dbw->insert('profiling', array ('pf_name' => $name, 'pf_count' => $eventCount,
+				'pf_time' => $timeSum, 'pf_server' => $pfhost ), $fname, array ('IGNORE'));
+		}
+		// When we upgrade to mysql 4.1, the insert+update
+		// can be merged into just a insert with this construct added:
+		//     "ON DUPLICATE KEY UPDATE ".
+		//     "pf_count=pf_count + VALUES(pf_count), ".
+		//     "pf_time=pf_time + VALUES(pf_time)";
+		$dbw->ignoreErrors( $errorState );
+	}
+
+	/**
+	 * Get the function name of the current profiling section
+	 */
+	function getCurrentSection() {
+		$elt = end($this->mWorkStack);
+		return $elt[0];
+	}
+
+}
+
+?>
diff --git a/includes/ProtectionForm.php b/includes/ProtectionForm.php
new file mode 100644
index 00000000..2a40a376
--- /dev/null
+++ b/includes/ProtectionForm.php
@@ -0,0 +1,244 @@
+<?php
+/**
+ * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
+ * http://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+class ProtectionForm {
+	var $mRestrictions = array();
+	var $mReason = '';
+
+	function ProtectionForm( &$article ) {
+		global $wgRequest, $wgUser;
+		global $wgRestrictionTypes, $wgRestrictionLevels;
+		$this->mArticle =& $article;
+		$this->mTitle =& $article->mTitle;
+
+		if( $this->mTitle ) {
+			foreach( $wgRestrictionTypes as $action ) {
+				// Fixme: this form currently requires individual selections,
+				// but the db allows multiples separated by commas.
+				$this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
+			}
+		}
+
+		// The form will be available in read-only to show levels.
+		$this->disabled = !$wgUser->isAllowed( 'protect' ) || wfReadOnly() || $wgUser->isBlocked();
+		$this->disabledAttrib = $this->disabled
+			? array( 'disabled' => 'disabled' )
+			: array();
+
+		if( $wgRequest->wasPosted() ) {
+			$this->mReason = $wgRequest->getText( 'mwProtect-reason' );
+			foreach( $wgRestrictionTypes as $action ) {
+				$val = $wgRequest->getVal( "mwProtect-level-$action" );
+				if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) {
+					$this->mRestrictions[$action] = $val;
+				}
+			}
+		}
+	}
+
+	function show() {
+		global $wgOut;
+
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+		if( is_null( $this->mTitle ) ||
+			!$this->mTitle->exists() ||
+			$this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+			$wgOut->showFatalError( wfMsg( 'badarticleerror' ) );
+			return;
+		}
+
+		if( $this->save() ) {
+			$wgOut->redirect( $this->mTitle->getFullUrl() );
+			return;
+		}
+
+		$wgOut->setPageTitle( wfMsg( 'confirmprotect' ) );
+		$wgOut->setSubtitle( wfMsg( 'protectsub', $this->mTitle->getPrefixedText() ) );
+
+		$wgOut->addWikiText(
+			wfMsg( $this->disabled ? "protect-viewtext" : "protect-text",
+				$this->mTitle->getPrefixedText() ) );
+
+		$wgOut->addHTML( $this->buildForm() );
+
+		$this->showLogExtract( $wgOut );
+	}
+
+	function save() {
+		global $wgRequest, $wgUser, $wgOut;
+		if( !$wgRequest->wasPosted() ) {
+			return false;
+		}
+
+		if( $this->disabled ) {
+			return false;
+		}
+
+		$token = $wgRequest->getVal( 'wpEditToken' );
+		if( !$wgUser->matchEditToken( $token ) ) {
+			throw new FatalError( wfMsg( 'sessionfailure' ) );
+		}
+
+		$ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $this->mReason );
+		if( !$ok ) {
+			throw new FatalError( "Unknown error at restriction save time." );
+		}
+		return $ok;
+	}
+
+	function buildForm() {
+		global $wgUser;
+
+		$out = '';
+		if( !$this->disabled ) {
+			$out .= $this->buildScript();
+			// The submission needs to reenable the move permission selector
+			// if it's in locked mode, or some browsers won't submit the data.
+			$out .= wfOpenElement( 'form', array(
+				'action' => $this->mTitle->getLocalUrl( 'action=protect' ),
+				'method' => 'post',
+				'onsubmit' => 'protectEnable(true)' ) );
+
+			$out .= wfElement( 'input', array(
+				'type' => 'hidden',
+				'name' => 'wpEditToken',
+				'value' => $wgUser->editToken() ) );
+		}
+
+		$out .= "<table id='mwProtectSet'>";
+		$out .= "<tbody>";
+		$out .= "<tr>\n";
+		foreach( $this->mRestrictions as $action => $required ) {
+			/* Not all languages have V_x <-> N_x relation */
+			$out .= "<th>" . wfMsgHtml( 'restriction-' . $action ) . "</th>\n";
+		}
+		$out .= "</tr>\n";
+		$out .= "<tr>\n";
+		foreach( $this->mRestrictions as $action => $selected ) {
+			$out .= "<td>\n";
+			$out .= $this->buildSelector( $action, $selected );
+			$out .= "</td>\n";
+		}
+		$out .= "</tr>\n";
+
+		// JavaScript will add another row with a value-chaining checkbox
+
+		$out .= "</tbody>\n";
+		$out .= "</table>\n";
+
+		if( !$this->disabled ) {
+			$out .= "<table>\n";
+			$out .= "<tbody>\n";
+			$out .= "<tr><td>" . $this->buildReasonInput() . "</td></tr>\n";
+			$out .= "<tr><td></td><td>" . $this->buildSubmit() . "</td></tr>\n";
+			$out .= "</tbody>\n";
+			$out .= "</table>\n";
+			$out .= "</form>\n";
+			$out .= $this->buildCleanupScript();
+		}
+
+		return $out;
+	}
+
+	function buildSelector( $action, $selected ) {
+		global $wgRestrictionLevels;
+		$id = 'mwProtect-level-' . $action;
+		$attribs = array(
+			'id' => $id,
+			'name' => $id,
+			'size' => count( $wgRestrictionLevels ),
+			'onchange' => 'protectLevelsUpdate(this)',
+			) + $this->disabledAttrib;
+
+		$out = wfOpenElement( 'select', $attribs );
+		foreach( $wgRestrictionLevels as $key ) {
+			$out .= $this->buildOption( $key, $selected );
+		}
+		$out .= "</select>\n";
+		return $out;
+	}
+
+	function buildOption( $key, $selected ) {
+		$text = ( $key == '' )
+			? wfMsg( 'protect-default' )
+			: wfMsg( "protect-level-$key" );
+		$selectedAttrib = ($selected == $key)
+			? array( 'selected' => 'selected' )
+			: array();
+		return wfElement( 'option',
+			array( 'value' => $key ) + $selectedAttrib,
+			$text );
+	}
+
+	function buildReasonInput() {
+		$id = 'mwProtect-reason';
+		return wfElement( 'label', array(
+				'id' => "$id-label",
+				'for' => $id ),
+				wfMsg( 'protectcomment' ) ) .
+			'</td><td>' .
+			wfElement( 'input', array(
+				'size' => 60,
+				'name' => $id,
+				'id' => $id ) );
+	}
+
+	function buildSubmit() {
+		return wfElement( 'input', array(
+			'type' => 'submit',
+			'value' => wfMsg( 'confirm' ) ) );
+	}
+
+	function buildScript() {
+		global $wgStylePath;
+		return '<script type="text/javascript" src="' .
+			htmlspecialchars( $wgStylePath . "/common/protect.js" ) .
+			'"></script>';
+	}
+
+	function buildCleanupScript() {
+		return '<script type="text/javascript">protectInitialize("mwProtectSet","' .
+			wfEscapeJsString( wfMsg( 'protect-unchain' ) ) . '")</script>';
+	}
+
+	/**
+	 * @param OutputPage $out
+	 * @access private
+	 */
+	function showLogExtract( &$out ) {
+		# Show relevant lines from the deletion log:
+		$out->addHTML( "<h2>" . htmlspecialchars( LogPage::logName( 'protect' ) ) . "</h2>\n" );
+		require_once( 'SpecialLog.php' );
+		$logViewer = new LogViewer(
+			new LogReader(
+				new FauxRequest(
+					array( 'page' => $this->mTitle->getPrefixedText(),
+					       'type' => 'protect' ) ) ) );
+		$logViewer->showList( $out );
+	}
+}
+
+
+?>
diff --git a/includes/ProxyTools.php b/includes/ProxyTools.php
new file mode 100644
index 00000000..bed79c10
--- /dev/null
+++ b/includes/ProxyTools.php
@@ -0,0 +1,233 @@
+<?php
+/**
+ * Functions for dealing with proxies
+ * @package MediaWiki
+ */
+
+function wfGetForwardedFor() {
+	if( function_exists( 'apache_request_headers' ) ) {
+		// More reliable than $_SERVER due to case and -/_ folding
+		$set = apache_request_headers();
+		$index = 'X-Forwarded-For';
+	} else {
+		// Subject to spoofing with headers like X_Forwarded_For
+		$set = $_SERVER;
+		$index = 'HTTP_X_FORWARDED_FOR';
+	}
+	if( isset( $set[$index] ) ) {
+		return $set[$index];
+	} else {
+		return null;
+	}
+}
+
+/** Work out the IP address based on various globals */
+function wfGetIP() {
+	global $wgSquidServers, $wgSquidServersNoPurge, $wgIP;
+
+	# Return cached result
+	if ( !empty( $wgIP ) ) {
+		return $wgIP;
+	}
+
+	/* collect the originating ips */
+	# Client connecting to this webserver
+	if ( isset( $_SERVER['REMOTE_ADDR'] ) ) {
+		$ipchain = array( $_SERVER['REMOTE_ADDR'] );
+	} else {
+		# Running on CLI?
+		$ipchain = array( '127.0.0.1' );
+	}
+	$ip = $ipchain[0];
+
+	# Get list of trusted proxies
+	# Flipped for quicker access
+	$trustedProxies = array_flip( array_merge( $wgSquidServers, $wgSquidServersNoPurge ) );
+	if ( count( $trustedProxies ) ) {
+		# Append XFF on to $ipchain
+		$forwardedFor = wfGetForwardedFor();
+		if ( isset( $forwardedFor ) ) {
+			$xff = array_map( 'trim', explode( ',', $forwardedFor ) );
+			$xff = array_reverse( $xff );
+			$ipchain = array_merge( $ipchain, $xff );
+		}
+		# Step through XFF list and find the last address in the list which is a trusted server
+		# Set $ip to the IP address given by that trusted server, unless the address is not sensible (e.g. private)
+		foreach ( $ipchain as $i => $curIP ) {
+			if ( array_key_exists( $curIP, $trustedProxies ) ) {
+				if ( isset( $ipchain[$i + 1] ) && wfIsIPPublic( $ipchain[$i + 1] ) ) {
+					$ip = $ipchain[$i + 1];
+				}
+			} else {
+				break;
+			}
+		}
+	}
+
+	wfDebug( "IP: $ip\n" );
+	$wgIP = $ip;
+	return $ip;
+}
+
+/**
+ * Given an IP address in dotted-quad notation, returns an unsigned integer.
+ * Like ip2long() except that it actually works and has a consistent error return value.
+ */
+function wfIP2Unsigned( $ip ) {
+	$n = ip2long( $ip );
+	if ( $n == -1 || $n === false ) { # Return value on error depends on PHP version
+		$n = false;
+	} elseif ( $n < 0 ) {
+		$n += pow( 2, 32 );
+	}
+	return $n;
+}
+
+/**
+ * Return a zero-padded hexadecimal representation of an IP address
+ */
+function wfIP2Hex( $ip ) {
+	$n = wfIP2Unsigned( $ip );
+	if ( $n !== false ) {
+		$n = sprintf( '%08X', $n );
+	}
+	return $n;
+}
+
+/**
+ * Determine if an IP address really is an IP address, and if it is public,
+ * i.e. not RFC 1918 or similar
+ */
+function wfIsIPPublic( $ip ) {
+	$n = wfIP2Unsigned( $ip );
+	if ( !$n ) {
+		return false;
+	}
+	
+	// ip2long accepts incomplete addresses, as well as some addresses
+	// followed by garbage characters. Check that it's really valid.
+	if( $ip != long2ip( $n ) ) {
+		return false;
+	}
+
+	static $privateRanges = false;
+	if ( !$privateRanges ) {
+		$privateRanges = array(
+			array( '10.0.0.0',    '10.255.255.255' ),   # RFC 1918 (private)
+			array( '172.16.0.0',  '172.31.255.255' ),   #     "
+			array( '192.168.0.0', '192.168.255.255' ),  #     "
+			array( '0.0.0.0',     '0.255.255.255' ),    # this network
+			array( '127.0.0.0',   '127.255.255.255' ),  # loopback
+		);
+	}
+
+	foreach ( $privateRanges as $r ) {
+		$start = wfIP2Unsigned( $r[0] );
+		$end = wfIP2Unsigned( $r[1] );
+		if ( $n >= $start && $n <= $end ) {
+			return false;
+		}
+	}
+	return true;
+}
+
+/**
+ * Forks processes to scan the originating IP for an open proxy server
+ * MemCached can be used to skip IPs that have already been scanned
+ */
+function wfProxyCheck() {
+	global $wgBlockOpenProxies, $wgProxyPorts, $wgProxyScriptPath;
+	global $wgUseMemCached, $wgMemc, $wgDBname, $wgProxyMemcExpiry;
+	global $wgProxyKey;
+
+	if ( !$wgBlockOpenProxies ) {
+		return;
+	}
+
+	$ip = wfGetIP();
+
+	# Get MemCached key
+	$skip = false;
+	if ( $wgUseMemCached ) {
+		$mcKey = "$wgDBname:proxy:ip:$ip";
+		$mcValue = $wgMemc->get( $mcKey );
+		if ( $mcValue ) {
+			$skip = true;
+		}
+	}
+
+	# Fork the processes
+	if ( !$skip ) {
+		$title = Title::makeTitle( NS_SPECIAL, 'Blockme' );
+		$iphash = md5( $ip . $wgProxyKey );
+		$url = $title->getFullURL( 'ip='.$iphash );
+
+		foreach ( $wgProxyPorts as $port ) {
+			$params = implode( ' ', array(
+						escapeshellarg( $wgProxyScriptPath ),
+						escapeshellarg( $ip ),
+						escapeshellarg( $port ),
+						escapeshellarg( $url )
+						));
+			exec( "php $params &>/dev/null &" );
+		}
+		# Set MemCached key
+		if ( $wgUseMemCached ) {
+			$wgMemc->set( $mcKey, 1, $wgProxyMemcExpiry );
+		}
+	}
+}
+
+/**
+ * Convert a network specification in CIDR notation to an integer network and a number of bits
+ */
+function wfParseCIDR( $range ) {
+	$parts = explode( '/', $range, 2 );
+	if ( count( $parts ) != 2 ) {
+		return array( false, false );
+	}
+	$network = wfIP2Unsigned( $parts[0] );
+	if ( $network !== false && is_numeric( $parts[1] ) && $parts[1] >= 0 && $parts[1] <= 32 ) {
+		$bits = $parts[1];
+	} else {
+		$network = false;
+		$bits = false;
+	}
+	return array( $network, $bits );
+}
+
+/**
+ * Check if an IP address is in the local proxy list
+ */
+function wfIsLocallyBlockedProxy( $ip ) {
+	global $wgProxyList;
+	$fname = 'wfIsLocallyBlockedProxy';
+
+	if ( !$wgProxyList ) {
+		return false;
+	}
+	wfProfileIn( $fname );
+
+	if ( !is_array( $wgProxyList ) ) {
+		# Load from the specified file
+		$wgProxyList = array_map( 'trim', file( $wgProxyList ) );
+	}
+
+	if ( !is_array( $wgProxyList ) ) {
+		$ret = false;
+	} elseif ( array_search( $ip, $wgProxyList ) !== false ) {
+		$ret = true;
+	} elseif ( array_key_exists( $ip, $wgProxyList ) ) {
+		# Old-style flipped proxy list
+		$ret = true;
+	} else {
+		$ret = false;
+	}
+	wfProfileOut( $fname );
+	return $ret;
+}
+
+
+
+
+?>
diff --git a/includes/QueryPage.php b/includes/QueryPage.php
new file mode 100644
index 00000000..53e17616
--- /dev/null
+++ b/includes/QueryPage.php
@@ -0,0 +1,483 @@
+<?php
+/**
+ * Contain a class for special pages
+ * @package MediaWiki
+ */
+
+/**
+ * List of query page classes and their associated special pages, for periodic update purposes
+ */
+global $wgQueryPages; // not redundant
+$wgQueryPages = array(
+//         QueryPage subclass           Special page name         Limit (false for none, none for the default)
+//----------------------------------------------------------------------------
+	array( 'AncientPagesPage',		'Ancientpages'			),
+	array( 'BrokenRedirectsPage',		'BrokenRedirects'		),
+	array( 'CategoriesPage',		'Categories'			),
+	array( 'DeadendPagesPage',		'Deadendpages'			),
+	array( 'DisambiguationsPage',		'Disambiguations'		),
+	array( 'DoubleRedirectsPage',		'DoubleRedirects'		),
+	array( 'ListUsersPage',			'Listusers'			),
+	array( 'ListredirectsPage', 'Listredirects' ),
+	array( 'LonelyPagesPage',		'Lonelypages'			),
+	array( 'LongPagesPage',			'Longpages'			),
+	array( 'MostcategoriesPage',		'Mostcategories'		),
+	array( 'MostimagesPage',		'Mostimages'			),
+	array( 'MostlinkedCategoriesPage',	'Mostlinkedcategories'		),
+	array( 'MostlinkedPage',		'Mostlinked'			),
+	array( 'MostrevisionsPage',		'Mostrevisions'			),
+	array( 'NewPagesPage',			'Newpages'			),
+	array( 'ShortPagesPage',		'Shortpages'			),
+	array( 'UncategorizedCategoriesPage',	'Uncategorizedcategories'	),
+	array( 'UncategorizedPagesPage',	'Uncategorizedpages'		),
+	array( 'UncategorizedImagesPage', 'Uncategorizedimages' ),
+	array( 'UnusedCategoriesPage',		'Unusedcategories'		),
+	array( 'UnusedimagesPage',		'Unusedimages'			),
+	array( 'WantedCategoriesPage',		'Wantedcategories'		),
+	array( 'WantedPagesPage',		'Wantedpages'			),
+	array( 'UnwatchedPagesPage',		'Unwatchedpages'		),
+	array( 'UnusedtemplatesPage', 'Unusedtemplates' ),
+);
+wfRunHooks( 'wgQueryPages', array( &$wgQueryPages ) );
+
+global $wgDisableCounters;
+if ( !$wgDisableCounters )
+	$wgQueryPages[] = array( 'PopularPagesPage',		'Popularpages'		);
+
+
+/**
+ * This is a class for doing query pages; since they're almost all the same,
+ * we factor out some of the functionality into a superclass, and let
+ * subclasses derive from it.
+ *
+ * @package MediaWiki
+ */
+class QueryPage {
+	/**
+	 * Whether or not we want plain listoutput rather than an ordered list
+	 *
+	 * @var bool
+	 */
+	var $listoutput = false;
+	
+	/**
+	 * The offset and limit in use, as passed to the query() function
+	 *
+	 * @var integer
+	 */
+	var $offset = 0;
+	var $limit = 0;
+
+	/**
+	 * A mutator for $this->listoutput;
+	 *
+	 * @param bool $bool
+	 */
+	function setListoutput( $bool ) {
+		$this->listoutput = $bool;
+	}
+
+	/**
+	 * Subclasses return their name here. Make sure the name is also
+	 * specified in SpecialPage.php and in Language.php as a language message
+	 * param.
+	 */
+	function getName() {
+		return '';
+	}
+
+	/**
+	 * Return title object representing this page
+	 *
+	 * @return Title
+	 */
+	function getTitle() {
+		return Title::makeTitle( NS_SPECIAL, $this->getName() );
+	}
+
+	/**
+	 * Subclasses return an SQL query here.
+	 *
+	 * Note that the query itself should return the following four columns:
+	 * 'type' (your special page's name), 'namespace', 'title', and 'value'
+	 * *in that order*. 'value' is used for sorting.
+	 *
+	 * These may be stored in the querycache table for expensive queries,
+	 * and that cached data will be returned sometimes, so the presence of
+	 * extra fields can't be relied upon. The cached 'value' column will be
+	 * an integer; non-numeric values are useful only for sorting the initial
+	 * query.
+	 *
+	 * Don't include an ORDER or LIMIT clause, this will be added.
+	 */
+	function getSQL() {
+		return "SELECT 'sample' as type, 0 as namespace, 'Sample result' as title, 42 as value";
+	}
+
+	/**
+	 * Override to sort by increasing values
+	 */
+	function sortDescending() {
+		return true;
+	}
+
+	function getOrder() {
+		return ' ORDER BY value ' .
+			($this->sortDescending() ? 'DESC' : '');
+	}
+
+	/**
+	 * Is this query expensive (for some definition of expensive)? Then we
+	 * don't let it run in miser mode. $wgDisableQueryPages causes all query
+	 * pages to be declared expensive. Some query pages are always expensive.
+	 */
+	function isExpensive( ) {
+		global $wgDisableQueryPages;
+		return $wgDisableQueryPages;
+	}
+
+	/**
+	 * Whether or not the output of the page in question is retrived from
+	 * the database cache.
+	 *
+	 * @return bool
+	 */
+	function isCached() {
+		global $wgMiserMode;
+
+		return $this->isExpensive() && $wgMiserMode;
+	}
+
+	/**
+	 * Sometime we dont want to build rss / atom feeds.
+	 */
+	function isSyndicated() {
+		return true;
+	}
+
+	/**
+	 * Formats the results of the query for display. The skin is the current
+	 * skin; you can use it for making links. The result is a single row of
+	 * result data. You should be able to grab SQL results off of it.
+	 * If the function return "false", the line output will be skipped.
+	 */
+	function formatResult( $skin, $result ) {
+		return '';
+	}
+
+	/**
+	 * The content returned by this function will be output before any result
+	 */
+	function getPageHeader( ) {
+		return '';
+	}
+
+	/**
+	 * If using extra form wheely-dealies, return a set of parameters here
+	 * as an associative array. They will be encoded and added to the paging
+	 * links (prev/next/lengths).
+	 * @return array
+	 */
+	function linkParameters() {
+		return array();
+	}
+
+	/**
+	 * Some special pages (for example SpecialListusers) might not return the
+	 * current object formatted, but return the previous one instead.
+	 * Setting this to return true, will call one more time wfFormatResult to
+	 * be sure that the very last result is formatted and shown.
+	 */
+	function tryLastResult( ) {
+		return false;
+	}
+
+	/**
+	 * Clear the cache and save new results
+	 */
+	function recache( $limit, $ignoreErrors = true ) {
+		$fname = get_class($this) . '::recache';
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbr =& wfGetDB( DB_SLAVE, array( $this->getName(), 'QueryPage::recache', 'vslow' ) );
+		if ( !$dbw || !$dbr ) {
+			return false;
+		}
+
+		$querycache = $dbr->tableName( 'querycache' );
+
+		if ( $ignoreErrors ) {
+			$ignoreW = $dbw->ignoreErrors( true );
+			$ignoreR = $dbr->ignoreErrors( true );
+		}
+
+		# Clear out any old cached data
+		$dbw->delete( 'querycache', array( 'qc_type' => $this->getName() ), $fname );
+		# Do query
+		$sql = $this->getSQL() . $this->getOrder();
+		if ($limit !== false)
+			$sql = $dbr->limitResult($sql, $limit, 0);
+		$res = $dbr->query($sql, $fname);
+		$num = false;
+		if ( $res ) {
+			$num = $dbr->numRows( $res );
+			# Fetch results
+			$insertSql = "INSERT INTO $querycache (qc_type,qc_namespace,qc_title,qc_value) VALUES ";
+			$first = true;
+			while ( $res && $row = $dbr->fetchObject( $res ) ) {
+				if ( $first ) {
+					$first = false;
+				} else {
+					$insertSql .= ',';
+				}
+				if ( isset( $row->value ) ) {
+					$value = $row->value;
+				} else {
+					$value = '';
+				}
+
+				$insertSql .= '(' .
+					$dbw->addQuotes( $row->type ) . ',' .
+					$dbw->addQuotes( $row->namespace ) . ',' .
+					$dbw->addQuotes( $row->title ) . ',' .
+					$dbw->addQuotes( $value ) . ')';
+			}
+
+			# Save results into the querycache table on the master
+			if ( !$first ) {
+				if ( !$dbw->query( $insertSql, $fname ) ) {
+					// Set result to false to indicate error
+					$dbr->freeResult( $res );
+					$res = false;
+				}
+			}
+			if ( $res ) {
+				$dbr->freeResult( $res );
+			}
+			if ( $ignoreErrors ) {
+				$dbw->ignoreErrors( $ignoreW );
+				$dbr->ignoreErrors( $ignoreR );
+			}
+
+			# Update the querycache_info record for the page
+			$dbw->delete( 'querycache_info', array( 'qci_type' => $this->getName() ), $fname );
+			$dbw->insert( 'querycache_info', array( 'qci_type' => $this->getName(), 'qci_timestamp' => $dbw->timestamp() ), $fname );
+
+		}
+		return $num;
+	}
+
+	/**
+	 * This is the actual workhorse. It does everything needed to make a
+	 * real, honest-to-gosh query page.
+	 *
+	 * @param $offset database query offset
+	 * @param $limit database query limit
+	 * @param $shownavigation show navigation like "next 200"?
+	 */
+	function doQuery( $offset, $limit, $shownavigation=true ) {
+		global $wgUser, $wgOut, $wgLang, $wgContLang;
+
+		$this->offset = $offset;
+		$this->limit = $limit;
+
+		$sname = $this->getName();
+		$fname = get_class($this) . '::doQuery';
+		$sql = $this->getSQL();
+		$dbr =& wfGetDB( DB_SLAVE );
+		$querycache = $dbr->tableName( 'querycache' );
+
+		$wgOut->setSyndicated( $this->isSyndicated() );
+
+		if ( $this->isCached() ) {
+			$type = $dbr->strencode( $sname );
+			$sql =
+				"SELECT qc_type as type, qc_namespace as namespace,qc_title as title, qc_value as value
+				 FROM $querycache WHERE qc_type='$type'";
+
+			if( !$this->listoutput ) {
+
+				# Fetch the timestamp of this update
+				$tRes = $dbr->select( 'querycache_info', array( 'qci_timestamp' ), array( 'qci_type' => $type ), $fname );
+				$tRow = $dbr->fetchObject( $tRes );
+				
+				if( $tRow ) {
+					$updated = $wgLang->timeAndDate( $tRow->qci_timestamp, true, true );
+					$cacheNotice = wfMsg( 'perfcachedts', $updated );
+					$wgOut->addMeta( 'Data-Cache-Time', $tRow->qci_timestamp );
+					$wgOut->addScript( '<script language="JavaScript">var dataCacheTime = \'' . $tRow->qci_timestamp . '\';</script>' );
+				} else {
+					$cacheNotice = wfMsg( 'perfcached' );
+				}
+	
+				$wgOut->addWikiText( $cacheNotice );
+			}
+
+		}
+
+		$sql .= $this->getOrder();
+		$sql = $dbr->limitResult($sql, $limit, $offset);
+		$res = $dbr->query( $sql );
+		$num = $dbr->numRows($res);
+
+		$this->preprocessResults( $dbr, $res );
+
+		$sk = $wgUser->getSkin( );
+
+		if($shownavigation) {
+			$wgOut->addHTML( $this->getPageHeader() );
+			$top = wfShowingResults( $offset, $num);
+			$wgOut->addHTML( "<p>{$top}\n" );
+
+			# often disable 'next' link when we reach the end
+			$atend = $num < $limit;
+
+			$sl = wfViewPrevNext( $offset, $limit ,
+				$wgContLang->specialPage( $sname ),
+				wfArrayToCGI( $this->linkParameters() ), $atend );
+			$wgOut->addHTML( "<br />{$sl}</p>\n" );
+		}
+		if ( $num > 0 ) {
+			$s = array();
+			if ( ! $this->listoutput )
+				$s[] = "<ol start='" . ( $offset + 1 ) . "' class='special'>";
+
+			# Only read at most $num rows, because $res may contain the whole 1000
+			for ( $i = 0; $i < $num && $obj = $dbr->fetchObject( $res ); $i++ ) {
+				$format = $this->formatResult( $sk, $obj );
+				if ( $format ) {
+					$attr = ( isset ( $obj->usepatrol ) && $obj->usepatrol &&
+										$obj->patrolled == 0 ) ? ' class="not-patrolled"' : '';
+					$s[] = $this->listoutput ? $format : "<li{$attr}>{$format}</li>\n";
+				}
+			}
+
+			if($this->tryLastResult()) {
+				// flush the very last result
+				$obj = null;
+				$format = $this->formatResult( $sk, $obj );
+				if( $format ) {
+					$attr = ( isset ( $obj->usepatrol ) && $obj->usepatrol &&
+										$obj->patrolled == 0 ) ? ' class="not-patrolled"' : '';
+					$s[] = "<li{$attr}>{$format}</li>\n";
+				}
+			}
+
+			$dbr->freeResult( $res );
+			if ( ! $this->listoutput )
+				$s[] = '</ol>';
+			$str = $this->listoutput ? $wgContLang->listToText( $s ) : implode( '', $s );
+			$wgOut->addHTML( $str );
+		}
+		if($shownavigation) {
+			$wgOut->addHTML( "<p>{$sl}</p>\n" );
+		}
+		return $num;
+	}
+
+	/**
+	 * Do any necessary preprocessing of the result object.
+	 * You should pass this by reference: &$db , &$res
+	 */
+	function preprocessResults( $db, $res ) {}
+
+	/**
+	 * Similar to above, but packaging in a syndicated feed instead of a web page
+	 */
+	function doFeed( $class = '', $limit = 50 ) {
+		global $wgFeedClasses;
+
+		if( isset($wgFeedClasses[$class]) ) {
+			$feed = new $wgFeedClasses[$class](
+				$this->feedTitle(),
+				$this->feedDesc(),
+				$this->feedUrl() );
+			$feed->outHeader();
+
+			$dbr =& wfGetDB( DB_SLAVE );
+			$sql = $this->getSQL() . $this->getOrder();
+			$sql = $dbr->limitResult( $sql, $limit, 0 );
+			$res = $dbr->query( $sql, 'QueryPage::doFeed' );
+			while( $obj = $dbr->fetchObject( $res ) ) {
+				$item = $this->feedResult( $obj );
+				if( $item ) $feed->outItem( $item );
+			}
+			$dbr->freeResult( $res );
+
+			$feed->outFooter();
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Override for custom handling. If the titles/links are ok, just do
+	 * feedItemDesc()
+	 */
+	function feedResult( $row ) {
+		if( !isset( $row->title ) ) {
+			return NULL;
+		}
+		$title = Title::MakeTitle( intval( $row->namespace ), $row->title );
+		if( $title ) {
+			$date = isset( $row->timestamp ) ? $row->timestamp : '';
+			$comments = '';
+			if( $title ) {
+				$talkpage = $title->getTalkPage();
+				$comments = $talkpage->getFullURL();
+			}
+
+			return new FeedItem(
+				$title->getPrefixedText(),
+				$this->feedItemDesc( $row ),
+				$title->getFullURL(),
+				$date,
+				$this->feedItemAuthor( $row ),
+				$comments);
+		} else {
+			return NULL;
+		}
+	}
+
+	function feedItemDesc( $row ) {
+		return isset( $row->comment ) ? htmlspecialchars( $row->comment ) : '';
+	}
+
+	function feedItemAuthor( $row ) {
+		return isset( $row->user_text ) ? $row->user_text : '';
+	}
+
+	function feedTitle() {
+		global $wgLanguageCode, $wgSitename;
+		$page = SpecialPage::getPage( $this->getName() );
+		$desc = $page->getDescription();
+		return "$wgSitename - $desc [$wgLanguageCode]";
+	}
+
+	function feedDesc() {
+		return wfMsg( 'tagline' );
+	}
+
+	function feedUrl() {
+		$title = Title::MakeTitle( NS_SPECIAL, $this->getName() );
+		return $title->getFullURL();
+	}
+}
+
+/**
+ * This is a subclass for very simple queries that are just looking for page
+ * titles that match some criteria. It formats each result item as a link to
+ * that page.
+ *
+ * @package MediaWiki
+ */
+class PageQueryPage extends QueryPage {
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang;
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		return $skin->makeKnownLinkObj( $nt, htmlspecialchars( $wgContLang->convert( $nt->getPrefixedText() ) ) );
+	}
+}
+
+?>
diff --git a/includes/RawPage.php b/includes/RawPage.php
new file mode 100644
index 00000000..3cdabfd9
--- /dev/null
+++ b/includes/RawPage.php
@@ -0,0 +1,203 @@
+<?php
+/**
+ * Copyright (C) 2004 Gabriel Wicke <wicke@wikidev.net>
+ * http://wikidev.net/
+ * Based on PageHistory and SpecialExport
+ *
+ * License: GPL (http://www.gnu.org/copyleft/gpl.html)
+ *
+ * @author Gabriel Wicke <wicke@wikidev.net>
+ * @package MediaWiki
+ */
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
+class RawPage {
+	var $mArticle, $mTitle, $mRequest;
+	var $mOldId, $mGen, $mCharset;
+	var $mSmaxage, $mMaxage;
+	var $mContentType, $mExpandTemplates;
+
+	function RawPage( &$article, $request = false ) {
+		global $wgRequest, $wgInputEncoding, $wgSquidMaxage, $wgJsMimeType;
+
+		$allowedCTypes = array('text/x-wiki', $wgJsMimeType, 'text/css', 'application/x-zope-edit');
+		$this->mArticle =& $article;
+		$this->mTitle =& $article->mTitle;
+
+		if ( $request === false ) {
+			$this->mRequest =& $wgRequest;
+		} else {
+			$this->mRequest = $request;
+		}
+
+		$ctype = $this->mRequest->getVal( 'ctype' );
+		$smaxage = $this->mRequest->getIntOrNull( 'smaxage', $wgSquidMaxage );
+		$maxage = $this->mRequest->getInt( 'maxage', $wgSquidMaxage );
+		$this->mExpandTemplates = $this->mRequest->getVal( 'templates' ) === 'expand';
+		
+		$oldid = $this->mRequest->getInt( 'oldid' );
+		switch ( $wgRequest->getText( 'direction' ) ) {
+			case 'next':
+				# output next revision, or nothing if there isn't one
+				if ( $oldid ) {
+					$oldid = $this->mTitle->getNextRevisionId( $oldid );
+				}
+				$oldid = $oldid ? $oldid : -1;
+				break;
+			case 'prev':
+				# output previous revision, or nothing if there isn't one
+				if ( ! $oldid ) {
+					# get the current revision so we can get the penultimate one
+					$this->mArticle->getTouched();
+					$oldid = $this->mArticle->mLatest;
+				}
+				$prev = $this->mTitle->getPreviousRevisionId( $oldid );
+				$oldid = $prev ? $prev : -1 ;
+				break;
+			case 'cur':
+				$oldid = 0;
+				break;
+		}
+		$this->mOldId = $oldid;
+		
+		# special case for 'generated' raw things: user css/js
+		$gen = $this->mRequest->getVal( 'gen' );
+
+		if($gen == 'css') {
+			$this->mGen = $gen;
+			if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage;
+			if($ctype == '') $ctype = 'text/css';
+		} elseif ($gen == 'js') {
+			$this->mGen = $gen;
+			if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage;
+			if($ctype == '') $ctype = $wgJsMimeType;
+		} else {
+			$this->mGen = false;
+		}
+		$this->mCharset = $wgInputEncoding;
+		$this->mSmaxage = intval( $smaxage );
+		$this->mMaxage = $maxage;
+		if ( $ctype == '' or ! in_array( $ctype, $allowedCTypes ) ) {
+			$this->mContentType = 'text/x-wiki';
+		} else {
+			$this->mContentType = $ctype;
+		}
+	}
+
+	function view() {
+		global $wgOut, $wgScript;
+
+		if( isset( $_SERVER['SCRIPT_URL'] ) ) {
+			# Normally we use PHP_SELF to get the URL to the script
+			# as it was called, minus the query string.
+			#
+			# Some sites use Apache rewrite rules to handle subdomains,
+			# and have PHP set up in a weird way that causes PHP_SELF
+			# to contain the rewritten URL instead of the one that the
+			# outside world sees.
+			#
+			# If in this mode, use SCRIPT_URL instead, which mod_rewrite
+			# provides containing the "before" URL.
+			$url = $_SERVER['SCRIPT_URL'];
+		} else {
+			$url = $_SERVER['PHP_SELF'];
+		}
+		
+		$ua = @$_SERVER['HTTP_USER_AGENT'];
+		if( strcmp( $wgScript, $url ) && strpos( $ua, 'MSIE' ) !== false ) {
+			# Internet Explorer will ignore the Content-Type header if it
+			# thinks it sees a file extension it recognizes. Make sure that
+			# all raw requests are done through the script node, which will
+			# have eg '.php' and should remain safe.
+			#
+			# We used to redirect to a canonical-form URL as a general
+			# backwards-compatibility / good-citizen nice thing. However
+			# a lot of servers are set up in buggy ways, resulting in
+			# redirect loops which hang the browser until the CSS load
+			# times out.
+			#
+			# Just return a 403 Forbidden and get it over with.
+			wfHttpError( 403, 'Forbidden',
+				'Raw pages must be accessed through the primary script entry point.' );
+			return;
+		}
+
+		header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
+		# allow the client to cache this for 24 hours
+		header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
+		echo $this->getRawText();
+		$wgOut->disable();
+	}
+
+	function getRawText() {
+		global $wgUser, $wgOut;
+		if($this->mGen) {
+			$sk = $wgUser->getSkin();
+			$sk->initPage($wgOut);
+			if($this->mGen == 'css') {
+				return $sk->getUserStylesheet();
+			} else if($this->mGen == 'js') {
+				return $sk->getUserJs();
+			}
+		} else {
+			return $this->getArticleText();
+		}
+	}
+
+	function getArticleText() {
+		$found = false;
+		$text = '';
+		if( $this->mTitle ) {
+			// If it's a MediaWiki message we can just hit the message cache
+			if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+				$key = $this->mTitle->getDBkey();
+				$text = wfMsgForContentNoTrans( $key );
+				# If the message doesn't exist, return a blank
+				if( $text == '&lt;' . $key . '&gt;' )
+					$text = '';
+				$found = true;
+			} else {
+				// Get it from the DB
+				$rev = Revision::newFromTitle( $this->mTitle, $this->mOldId );
+				if ( $rev ) {
+					$lastmod = wfTimestamp( TS_RFC2822, $rev->getTimestamp() );
+					header( "Last-modified: $lastmod" );
+					$text = $rev->getText();
+					$found = true;
+				}
+			}
+		}
+
+		# Bad title or page does not exist
+		if( !$found && $this->mContentType == 'text/x-wiki' ) {
+			# Don't return a 404 response for CSS or JavaScript;
+			# 404s aren't generally cached and it would create
+			# extra hits when user CSS/JS are on and the user doesn't
+			# have the pages.
+			header( "HTTP/1.0 404 Not Found" );
+		}
+		
+		return $this->parseArticleText( $text );
+	}
+
+	function parseArticleText( $text ) {
+		if ( $text === '' )
+			return '';
+		else
+			if ( $this->mExpandTemplates ) {
+				global $wgTitle;
+
+				$parser = new Parser();
+				$parser->Options( new ParserOptions() ); // We don't want this to be user-specific
+				$parser->Title( $wgTitle );
+				$parser->OutputType( OT_HTML );
+
+				return $parser->replaceVariables( $text );
+			} else
+				return $text;
+	}
+}
+?>
diff --git a/includes/RecentChange.php b/includes/RecentChange.php
new file mode 100644
index 00000000..f320a47a
--- /dev/null
+++ b/includes/RecentChange.php
@@ -0,0 +1,509 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Utility class for creating new RC entries
+ * mAttribs:
+ * 	rc_id           id of the row in the recentchanges table
+ * 	rc_timestamp    time the entry was made
+ * 	rc_cur_time     timestamp on the cur row
+ * 	rc_namespace    namespace #
+ * 	rc_title        non-prefixed db key
+ * 	rc_type         is new entry, used to determine whether updating is necessary
+ * 	rc_minor        is minor
+ * 	rc_cur_id       page_id of associated page entry
+ * 	rc_user	        user id who made the entry
+ * 	rc_user_text    user name who made the entry
+ * 	rc_comment      edit summary
+ * 	rc_this_oldid   rev_id associated with this entry (or zero)
+ * 	rc_last_oldid   rev_id associated with the entry before this one (or zero)
+ * 	rc_bot          is bot, hidden
+ * 	rc_ip           IP address of the user in dotted quad notation
+ * 	rc_new          obsolete, use rc_type==RC_NEW
+ * 	rc_patrolled    boolean whether or not someone has marked this edit as patrolled
+ *
+ * mExtra:
+ * 	prefixedDBkey   prefixed db key, used by external app via msg queue
+ * 	lastTimestamp   timestamp of previous entry, used in WHERE clause during update
+ * 	lang            the interwiki prefix, automatically set in save()
+ *  oldSize         text size before the change
+ *  newSize         text size after the change
+ *
+ * temporary:		not stored in the database
+ *      notificationtimestamp
+ *      numberofWatchingusers
+ *
+ * @todo document functions and variables
+ * @package MediaWiki
+ */
+class RecentChange
+{
+	var $mAttribs = array(), $mExtra = array();
+	var $mTitle = false, $mMovedToTitle = false;
+	var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
+
+	# Factory methods
+
+	/* static */ function newFromRow( $row )
+	{
+		$rc = new RecentChange;
+		$rc->loadFromRow( $row );
+		return $rc;
+	}
+
+	/* static */ function newFromCurRow( $row, $rc_this_oldid = 0 )
+	{
+		$rc = new RecentChange;
+		$rc->loadFromCurRow( $row, $rc_this_oldid );
+		$rc->notificationtimestamp = false;
+		$rc->numberofWatchingusers = false;
+		return $rc;
+	}
+
+	# Accessors
+
+	function setAttribs( $attribs )
+	{
+		$this->mAttribs = $attribs;
+	}
+
+	function setExtra( $extra )
+	{
+		$this->mExtra = $extra;
+	}
+
+	function &getTitle()
+	{
+		if ( $this->mTitle === false ) {
+			$this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
+		}
+		return $this->mTitle;
+	}
+
+	function getMovedToTitle()
+	{
+		if ( $this->mMovedToTitle === false ) {
+			$this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
+				$this->mAttribs['rc_moved_to_title'] );
+		}
+		return $this->mMovedToTitle;
+	}
+
+	# Writes the data in this object to the database
+	function save()
+	{
+		global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPPort, $wgRC2UDPPrefix, $wgUseRCPatrol;
+		$fname = 'RecentChange::save';
+
+		$dbw =& wfGetDB( DB_MASTER );
+		if ( !is_array($this->mExtra) ) {
+			$this->mExtra = array();
+		}
+		$this->mExtra['lang'] = $wgLocalInterwiki;
+
+		if ( !$wgPutIPinRC ) {
+			$this->mAttribs['rc_ip'] = '';
+		}
+
+		# Fixup database timestamps
+		$this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
+		$this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
+		$this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
+
+		# Insert new row
+		$dbw->insert( 'recentchanges', $this->mAttribs, $fname );
+
+		# Set the ID
+		$this->mAttribs['rc_id'] = $dbw->insertId();
+
+		# Update old rows, if necessary
+		if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
+			$lastTime = $this->mExtra['lastTimestamp'];
+			#$now = $this->mAttribs['rc_timestamp'];
+			#$curId = $this->mAttribs['rc_cur_id'];
+
+			# Don't bother looking for entries that have probably
+			# been purged, it just locks up the indexes needlessly.
+			global $wgRCMaxAge;
+			$age = time() - wfTimestamp( TS_UNIX, $lastTime );
+			if( $age < $wgRCMaxAge ) {
+				# live hack, will commit once tested - kate
+				# Update rc_this_oldid for the entries which were current
+				#
+				#$oldid = $this->mAttribs['rc_last_oldid'];
+				#$ns = $this->mAttribs['rc_namespace'];
+				#$title = $this->mAttribs['rc_title'];
+				#
+				#$dbw->update( 'recentchanges',
+				#	array( /* SET */
+				#		'rc_this_oldid' => $oldid
+				#	), array( /* WHERE */
+				#		'rc_namespace' => $ns,
+				#		'rc_title' => $title,
+				#		'rc_timestamp' => $dbw->timestamp( $lastTime )
+				#	), $fname
+				#);
+			}
+
+			# Update rc_cur_time
+			#$dbw->update( 'recentchanges', array( 'rc_cur_time' => $now ),
+			#	array( 'rc_cur_id' => $curId ), $fname );
+		}
+
+		# Notify external application via UDP
+		if ( $wgRC2UDPAddress ) {
+			$conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
+			if ( $conn ) {
+				$line = $wgRC2UDPPrefix . $this->getIRCLine();
+				socket_sendto( $conn, $line, strlen($line), 0, $wgRC2UDPAddress, $wgRC2UDPPort );
+				socket_close( $conn );
+			}
+		}
+
+		// E-mail notifications
+		global $wgUseEnotif;
+		if( $wgUseEnotif ) {
+			# this would be better as an extension hook
+			include_once( "UserMailer.php" );
+			$enotif = new EmailNotification();
+			$title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
+			$enotif->notifyOnPageChange( $title,
+				$this->mAttribs['rc_timestamp'],
+				$this->mAttribs['rc_comment'],
+				$this->mAttribs['rc_minor'],
+				$this->mAttribs['rc_last_oldid'] );
+		}
+
+	}
+
+	# Marks a certain row as patrolled
+	function markPatrolled( $rcid )
+	{
+		$fname = 'RecentChange::markPatrolled';
+
+		$dbw =& wfGetDB( DB_MASTER );
+
+		$dbw->update( 'recentchanges',
+			array( /* SET */
+				'rc_patrolled' => 1
+			), array( /* WHERE */
+				'rc_id' => $rcid
+			), $fname
+		);
+	}
+
+	# Makes an entry in the database corresponding to an edit
+	/*static*/ function notifyEdit( $timestamp, &$title, $minor, &$user, $comment,
+		$oldId, $lastTimestamp, $bot = "default", $ip = '', $oldSize = 0, $newSize = 0,
+		$newId = 0)
+	{
+		if ( $bot == 'default' ) {
+			$bot = $user->isBot();
+		}
+
+		if ( !$ip ) {
+			$ip = wfGetIP();
+			if ( !$ip ) {
+				$ip = '';
+			}
+		}
+
+		$rc = new RecentChange;
+		$rc->mAttribs = array(
+			'rc_timestamp'	=> $timestamp,
+			'rc_cur_time'	=> $timestamp,
+			'rc_namespace'	=> $title->getNamespace(),
+			'rc_title'	=> $title->getDBkey(),
+			'rc_type'	=> RC_EDIT,
+			'rc_minor'	=> $minor ? 1 : 0,
+			'rc_cur_id'	=> $title->getArticleID(),
+			'rc_user'	=> $user->getID(),
+			'rc_user_text'	=> $user->getName(),
+			'rc_comment'	=> $comment,
+			'rc_this_oldid'	=> $newId,
+			'rc_last_oldid'	=> $oldId,
+			'rc_bot'	=> $bot ? 1 : 0,
+			'rc_moved_to_ns'	=> 0,
+			'rc_moved_to_title'	=> '',
+			'rc_ip'	=> $ip,
+			'rc_patrolled' => 0,
+			'rc_new'	=> 0 # obsolete
+		);
+
+		$rc->mExtra =  array(
+			'prefixedDBkey'	=> $title->getPrefixedDBkey(),
+			'lastTimestamp' => $lastTimestamp,
+			'oldSize'       => $oldSize,
+			'newSize'       => $newSize,
+		);
+		$rc->save();
+		return( $rc->mAttribs['rc_id'] );
+	}
+
+	# Makes an entry in the database corresponding to page creation
+	# Note: the title object must be loaded with the new id using resetArticleID()
+	/*static*/ function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot = "default",
+	  $ip='', $size = 0, $newId = 0 )
+	{
+		if ( !$ip ) {
+			$ip = wfGetIP();
+			if ( !$ip ) {
+				$ip = '';
+			}
+		}
+		if ( $bot == 'default' ) {
+			$bot = $user->isBot();
+		}
+
+		$rc = new RecentChange;
+		$rc->mAttribs = array(
+			'rc_timestamp'      => $timestamp,
+			'rc_cur_time'       => $timestamp,
+			'rc_namespace'      => $title->getNamespace(),
+			'rc_title'          => $title->getDBkey(),
+			'rc_type'           => RC_NEW,
+			'rc_minor'          => $minor ? 1 : 0,
+			'rc_cur_id'         => $title->getArticleID(),
+			'rc_user'           => $user->getID(),
+			'rc_user_text'      => $user->getName(),
+			'rc_comment'        => $comment,
+			'rc_this_oldid'     => $newId,
+			'rc_last_oldid'     => 0,
+			'rc_bot'            => $bot ? 1 : 0,
+			'rc_moved_to_ns'    => 0,
+			'rc_moved_to_title' => '',
+			'rc_ip'             => $ip,
+			'rc_patrolled'      => 0,
+			'rc_new'	=> 1 # obsolete
+		);
+
+		$rc->mExtra =  array(
+			'prefixedDBkey'	=> $title->getPrefixedDBkey(),
+			'lastTimestamp' => 0,
+			'oldSize' => 0,
+			'newSize' => $size
+		);
+		$rc->save();
+		return( $rc->mAttribs['rc_id'] );
+	}
+
+	# Makes an entry in the database corresponding to a rename
+	/*static*/ function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
+	{
+		if ( !$ip ) {
+			$ip = wfGetIP();
+			if ( !$ip ) {
+				$ip = '';
+			}
+		}
+
+		$rc = new RecentChange;
+		$rc->mAttribs = array(
+			'rc_timestamp'	=> $timestamp,
+			'rc_cur_time'	=> $timestamp,
+			'rc_namespace'	=> $oldTitle->getNamespace(),
+			'rc_title'	=> $oldTitle->getDBkey(),
+			'rc_type'	=> $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
+			'rc_minor'	=> 0,
+			'rc_cur_id'	=> $oldTitle->getArticleID(),
+			'rc_user'	=> $user->getID(),
+			'rc_user_text'	=> $user->getName(),
+			'rc_comment'	=> $comment,
+			'rc_this_oldid'	=> 0,
+			'rc_last_oldid'	=> 0,
+			'rc_bot'	=> $user->isBot() ? 1 : 0,
+			'rc_moved_to_ns'	=> $newTitle->getNamespace(),
+			'rc_moved_to_title'	=> $newTitle->getDBkey(),
+			'rc_ip'		=> $ip,
+			'rc_new'	=> 0, # obsolete
+			'rc_patrolled' => 1
+		);
+
+		$rc->mExtra = array(
+			'prefixedDBkey'	=> $oldTitle->getPrefixedDBkey(),
+			'lastTimestamp' => 0,
+			'prefixedMoveTo'	=> $newTitle->getPrefixedDBkey()
+		);
+		$rc->save();
+	}
+
+	/* static */ function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
+		RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
+	}
+
+	/* static */ function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
+		RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
+	}
+
+	# A log entry is different to an edit in that previous revisions are
+	# not kept
+	/*static*/ function notifyLog( $timestamp, &$title, &$user, $comment, $ip='',
+	   $type, $action, $target, $logComment, $params )
+	{
+		if ( !$ip ) {
+			$ip = wfGetIP();
+			if ( !$ip ) {
+				$ip = '';
+			}
+		}
+
+		$rc = new RecentChange;
+		$rc->mAttribs = array(
+			'rc_timestamp'	=> $timestamp,
+			'rc_cur_time'	=> $timestamp,
+			'rc_namespace'	=> $title->getNamespace(),
+			'rc_title'	=> $title->getDBkey(),
+			'rc_type'	=> RC_LOG,
+			'rc_minor'	=> 0,
+			'rc_cur_id'	=> $title->getArticleID(),
+			'rc_user'	=> $user->getID(),
+			'rc_user_text'	=> $user->getName(),
+			'rc_comment'	=> $comment,
+			'rc_this_oldid'	=> 0,
+			'rc_last_oldid'	=> 0,
+			'rc_bot'	=> $user->isBot() ? 1 : 0,
+			'rc_moved_to_ns'	=> 0,
+			'rc_moved_to_title'	=> '',
+			'rc_ip'	=> $ip,
+			'rc_patrolled' => 1,
+			'rc_new'	=> 0 # obsolete
+		);
+		$rc->mExtra =  array(
+			'prefixedDBkey'	=> $title->getPrefixedDBkey(),
+			'lastTimestamp' => 0,
+			'logType' => $type,
+			'logAction' => $action,
+			'logComment' => $logComment,
+			'logTarget' => $target,
+			'logParams' => $params
+		);
+		$rc->save();
+	}
+
+	# Initialises the members of this object from a mysql row object
+	function loadFromRow( $row )
+	{
+		$this->mAttribs = get_object_vars( $row );
+		$this->mAttribs["rc_timestamp"] = wfTimestamp(TS_MW, $this->mAttribs["rc_timestamp"]);
+		$this->mExtra = array();
+	}
+
+	# Makes a pseudo-RC entry from a cur row, for watchlists and things
+	function loadFromCurRow( $row )
+	{
+		$this->mAttribs = array(
+			'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
+			'rc_cur_time' => $row->rev_timestamp,
+			'rc_user' => $row->rev_user,
+			'rc_user_text' => $row->rev_user_text,
+			'rc_namespace' => $row->page_namespace,
+			'rc_title' => $row->page_title,
+			'rc_comment' => $row->rev_comment,
+			'rc_minor' => $row->rev_minor_edit ? 1 : 0,
+			'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
+			'rc_cur_id' => $row->page_id,
+			'rc_this_oldid'	=> $row->rev_id,
+			'rc_last_oldid'	=> isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
+			'rc_bot'	=> 0,
+			'rc_moved_to_ns'	=> 0,
+			'rc_moved_to_title'	=> '',
+			'rc_ip' => '',
+			'rc_id' => $row->rc_id,
+			'rc_patrolled' => $row->rc_patrolled,
+			'rc_new' => $row->page_is_new # obsolete
+		);
+
+		$this->mExtra = array();
+	}
+
+
+	/**
+	 * Gets the end part of the diff URL associated with this object
+	 * Blank if no diff link should be displayed
+	 */
+	function diffLinkTrail( $forceCur )
+	{
+		if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
+			$trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
+				"&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
+			if ( $forceCur ) {
+				$trail .= '&diff=0' ;
+			} else {
+				$trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
+			}
+		} else {
+			$trail = '';
+		}
+		return $trail;
+	}
+
+	function cleanupForIRC( $text ) {
+		return str_replace(array("\n", "\r"), array("", ""), $text);
+	}
+
+	function getIRCLine() {
+		global $wgUseRCPatrol;
+
+		extract($this->mAttribs);
+		extract($this->mExtra);
+
+		$titleObj =& $this->getTitle();
+		if ( $rc_type == RC_LOG ) {
+			$title = Namespace::getCanonicalName( $titleObj->getNamespace() ) . $titleObj->getText();
+		} else {
+			$title = $titleObj->getPrefixedText();
+		}
+		$title = $this->cleanupForIRC( $title );
+
+		$bad = array("\n", "\r");
+		$empty = array("", "");
+		$title = $titleObj->getPrefixedText();
+		$title = str_replace($bad, $empty, $title);
+
+		// FIXME: *HACK* these should be getFullURL(), hacked for SSL madness --brion 2005-12-26
+		if ( $rc_type == RC_LOG ) {
+			$url = '';
+		} elseif ( $rc_new && $wgUseRCPatrol ) {
+			$url = $titleObj->getInternalURL("rcid=$rc_id");
+		} else if ( $rc_new ) {
+			$url = $titleObj->getInternalURL();
+		} else if ( $wgUseRCPatrol ) {
+			$url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid&rcid=$rc_id");
+		} else {
+			$url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid");
+		}
+
+		if ( isset( $oldSize ) && isset( $newSize ) ) {
+			$szdiff = $newSize - $oldSize;
+			if ($szdiff < -500) {
+				$szdiff = "\002$szdiff\002";
+			} elseif ($szdiff >= 0) {
+				$szdiff = '+' . $szdiff ;
+			}
+			$szdiff = '(' . $szdiff . ')' ;
+		} else {
+			$szdiff = '';
+		}
+
+		$user = $this->cleanupForIRC( $rc_user_text );
+
+		if ( $rc_type == RC_LOG ) {
+			$logTargetText = $logTarget->getPrefixedText();
+			$comment = $this->cleanupForIRC( str_replace( $logTargetText, "\00302$logTargetText\00310", $rc_comment ) );
+			$flag = $logAction;
+		} else {
+			$comment = $this->cleanupForIRC( $rc_comment );
+			$flag = ($rc_minor ? "M" : "") . ($rc_new ? "N" : "");
+		}
+		# see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
+		# no colour (\003) switches back to the term default
+		$fullString = "\00314[[\00307$title\00314]]\0034 $flag\00310 " .
+		              "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
+		return $fullString;
+	}
+
+}
+?>
diff --git a/includes/Revision.php b/includes/Revision.php
new file mode 100644
index 00000000..653bacb8
--- /dev/null
+++ b/includes/Revision.php
@@ -0,0 +1,799 @@
+<?php
+/**
+ * @package MediaWiki
+ * @todo document
+ */
+
+/** */
+require_once( 'Database.php' );
+
+/**
+ * @package MediaWiki
+ * @todo document
+ */
+class Revision {
+	const DELETED_TEXT 	= 1;
+	const DELETED_COMMENT 	= 2;
+	const DELETED_USER 	= 4;
+	const DELETED_RESTRICTED = 8;
+	
+	/**
+	 * Load a page revision from a given revision ID number.
+	 * Returns null if no such revision can be found.
+	 *
+	 * @param int $id
+	 * @static
+	 * @access public
+	 */
+	function newFromId( $id ) {
+		return Revision::newFromConds(
+			array( 'page_id=rev_page',
+			       'rev_id' => intval( $id ) ) );
+	}
+
+	/**
+	 * Load either the current, or a specified, revision
+	 * that's attached to a given title. If not attached
+	 * to that title, will return null.
+	 *
+	 * @param Title $title
+	 * @param int $id
+	 * @return Revision
+	 * @access public
+	 * @static
+	 */
+	function newFromTitle( &$title, $id = 0 ) {
+		if( $id ) {
+			$matchId = intval( $id );
+		} else {
+			$matchId = 'page_latest';
+		}
+		return Revision::newFromConds(
+			array( "rev_id=$matchId",
+			       'page_id=rev_page',
+			       'page_namespace' => $title->getNamespace(),
+			       'page_title'     => $title->getDbkey() ) );
+	}
+
+	/**
+	 * Load either the current, or a specified, revision
+	 * that's attached to a given page. If not attached
+	 * to that page, will return null.
+	 *
+	 * @param Database $db
+	 * @param int $pageid
+	 * @param int $id
+	 * @return Revision
+	 * @access public
+	 */
+	function loadFromPageId( &$db, $pageid, $id = 0 ) {
+		$conds=array('page_id=rev_page','rev_page'=>intval( $pageid ), 'page_id'=>intval( $pageid ));
+		if( $id ) {
+			$conds['rev_id']=intval($id);
+		} else {
+			$conds[]='rev_id=page_latest';
+		}
+		return Revision::loadFromConds( $db, $conds );
+	}
+
+	/**
+	 * Load either the current, or a specified, revision
+	 * that's attached to a given page. If not attached
+	 * to that page, will return null.
+	 *
+	 * @param Database $db
+	 * @param Title $title
+	 * @param int $id
+	 * @return Revision
+	 * @access public
+	 */
+	function loadFromTitle( &$db, $title, $id = 0 ) {
+		if( $id ) {
+			$matchId = intval( $id );
+		} else {
+			$matchId = 'page_latest';
+		}
+		return Revision::loadFromConds(
+			$db,
+			array( "rev_id=$matchId",
+			       'page_id=rev_page',
+			       'page_namespace' => $title->getNamespace(),
+			       'page_title'     => $title->getDbkey() ) );
+	}
+
+	/**
+	 * Load the revision for the given title with the given timestamp.
+	 * WARNING: Timestamps may in some circumstances not be unique,
+	 * so this isn't the best key to use.
+	 *
+	 * @param Database $db
+	 * @param Title $title
+	 * @param string $timestamp
+	 * @return Revision
+	 * @access public
+	 * @static
+	 */
+	function loadFromTimestamp( &$db, &$title, $timestamp ) {
+		return Revision::loadFromConds(
+			$db,
+			array( 'rev_timestamp'  => $db->timestamp( $timestamp ),
+			       'page_id=rev_page',
+			       'page_namespace' => $title->getNamespace(),
+			       'page_title'     => $title->getDbkey() ) );
+	}
+
+	/**
+	 * Given a set of conditions, fetch a revision.
+	 *
+	 * @param array $conditions
+	 * @return Revision
+	 * @static
+	 * @access private
+	 */
+	function newFromConds( $conditions ) {
+		$db =& wfGetDB( DB_SLAVE );
+		$row = Revision::loadFromConds( $db, $conditions );
+		if( is_null( $row ) ) {
+			$dbw =& wfGetDB( DB_MASTER );
+			$row = Revision::loadFromConds( $dbw, $conditions );
+		}
+		return $row;
+	}
+
+	/**
+	 * Given a set of conditions, fetch a revision from
+	 * the given database connection.
+	 *
+	 * @param Database $db
+	 * @param array $conditions
+	 * @return Revision
+	 * @static
+	 * @access private
+	 */
+	function loadFromConds( &$db, $conditions ) {
+		$res = Revision::fetchFromConds( $db, $conditions );
+		if( $res ) {
+			$row = $res->fetchObject();
+			$res->free();
+			if( $row ) {
+				$ret = new Revision( $row );
+				return $ret;
+			}
+		}
+		$ret = null;
+		return $ret;
+	}
+
+	/**
+	 * Return a wrapper for a series of database rows to
+	 * fetch all of a given page's revisions in turn.
+	 * Each row can be fed to the constructor to get objects.
+	 *
+	 * @param Title $title
+	 * @return ResultWrapper
+	 * @static
+	 * @access public
+	 */
+	function fetchAllRevisions( &$title ) {
+		return Revision::fetchFromConds(
+			wfGetDB( DB_SLAVE ),
+			array( 'page_namespace' => $title->getNamespace(),
+			       'page_title'     => $title->getDbkey(),
+			       'page_id=rev_page' ) );
+	}
+
+	/**
+	 * Return a wrapper for a series of database rows to
+	 * fetch all of a given page's revisions in turn.
+	 * Each row can be fed to the constructor to get objects.
+	 *
+	 * @param Title $title
+	 * @return ResultWrapper
+	 * @static
+	 * @access public
+	 */
+	function fetchRevision( &$title ) {
+		return Revision::fetchFromConds(
+			wfGetDB( DB_SLAVE ),
+			array( 'rev_id=page_latest',
+			       'page_namespace' => $title->getNamespace(),
+			       'page_title'     => $title->getDbkey(),
+			       'page_id=rev_page' ) );
+	}
+
+	/**
+	 * Given a set of conditions, return a ResultWrapper
+	 * which will return matching database rows with the
+	 * fields necessary to build Revision objects.
+	 *
+	 * @param Database $db
+	 * @param array $conditions
+	 * @return ResultWrapper
+	 * @static
+	 * @access private
+	 */
+	function fetchFromConds( &$db, $conditions ) {
+		$res = $db->select(
+			array( 'page', 'revision' ),
+			array( 'page_namespace',
+			       'page_title',
+			       'page_latest',
+			       'rev_id',
+			       'rev_page',
+			       'rev_text_id',
+			       'rev_comment',
+			       'rev_user_text',
+			       'rev_user',
+			       'rev_minor_edit',
+			       'rev_timestamp',
+			       'rev_deleted' ),
+			$conditions,
+			'Revision::fetchRow',
+			array( 'LIMIT' => 1 ) );
+		$ret = $db->resultObject( $res );
+		return $ret;
+	}
+
+	/**
+	 * @param object $row
+	 * @access private
+	 */
+	function Revision( $row ) {
+		if( is_object( $row ) ) {
+			$this->mId        = intval( $row->rev_id );
+			$this->mPage      = intval( $row->rev_page );
+			$this->mTextId    = intval( $row->rev_text_id );
+			$this->mComment   =         $row->rev_comment;
+			$this->mUserText  =         $row->rev_user_text;
+			$this->mUser      = intval( $row->rev_user );
+			$this->mMinorEdit = intval( $row->rev_minor_edit );
+			$this->mTimestamp =         $row->rev_timestamp;
+			$this->mDeleted   = intval( $row->rev_deleted );
+
+			if( isset( $row->page_latest ) ) {
+				$this->mCurrent   = ( $row->rev_id == $row->page_latest );
+				$this->mTitle     = Title::makeTitle( $row->page_namespace,
+				                                      $row->page_title );
+			} else {
+				$this->mCurrent = false;
+				$this->mTitle = null;
+			}
+
+			if( isset( $row->old_text ) ) {
+				$this->mText  = $this->getRevisionText( $row );
+			} else {
+				$this->mText  = null;
+			}
+		} elseif( is_array( $row ) ) {
+			// Build a new revision to be saved...
+			global $wgUser;
+
+			$this->mId        = isset( $row['id']         ) ? intval( $row['id']         ) : null;
+			$this->mPage      = isset( $row['page']       ) ? intval( $row['page']       ) : null;
+			$this->mTextId    = isset( $row['text_id']    ) ? intval( $row['text_id']    ) : null;
+			$this->mUserText  = isset( $row['user_text']  ) ? strval( $row['user_text']  ) : $wgUser->getName();
+			$this->mUser      = isset( $row['user']       ) ? intval( $row['user']       ) : $wgUser->getId();
+			$this->mMinorEdit = isset( $row['minor_edit'] ) ? intval( $row['minor_edit'] ) : 0;
+			$this->mTimestamp = isset( $row['timestamp']  ) ? strval( $row['timestamp']  ) : wfTimestamp( TS_MW );
+			$this->mDeleted   = isset( $row['deleted']    ) ? intval( $row['deleted']    ) : 0;
+
+			// Enforce spacing trimming on supplied text
+			$this->mComment   = isset( $row['comment']    ) ?  trim( strval( $row['comment'] ) ) : null;
+			$this->mText      = isset( $row['text']       ) ? rtrim( strval( $row['text']    ) ) : null;
+
+			$this->mTitle     = null; # Load on demand if needed
+			$this->mCurrent   = false;
+		} else {
+			throw new MWException( 'Revision constructor passed invalid row format.' );
+		}
+	}
+
+	/**#@+
+	 * @access public
+	 */
+
+	/**
+	 * @return int
+	 */
+	function getId() {
+		return $this->mId;
+	}
+
+	/**
+	 * @return int
+	 */
+	function getTextId() {
+		return $this->mTextId;
+	}
+
+	/**
+	 * Returns the title of the page associated with this entry.
+	 * @return Title
+	 */
+	function getTitle() {
+		if( isset( $this->mTitle ) ) {
+			return $this->mTitle;
+		}
+		$dbr =& wfGetDB( DB_SLAVE );
+		$row = $dbr->selectRow(
+			array( 'page', 'revision' ),
+			array( 'page_namespace', 'page_title' ),
+			array( 'page_id=rev_page',
+			       'rev_id' => $this->mId ),
+			'Revision::getTitle' );
+		if( $row ) {
+			$this->mTitle = Title::makeTitle( $row->page_namespace,
+			                                   $row->page_title );
+		}
+		return $this->mTitle;
+	}
+
+	/**
+	 * Set the title of the revision
+	 * @param Title $title
+	 */
+	function setTitle( $title ) {
+		$this->mTitle = $title;
+	}
+
+	/**
+	 * @return int
+	 */
+	function getPage() {
+		return $this->mPage;
+	}
+
+	/**
+	 * Fetch revision's user id if it's available to all users
+	 * @return int
+	 */
+	function getUser() {
+		if( $this->isDeleted( self::DELETED_USER ) ) {
+			return 0;
+		} else {
+			return $this->mUser;
+		}
+	}
+
+	/**
+	 * Fetch revision's user id without regard for the current user's permissions
+	 * @return string
+	 */
+	function getRawUser() {
+		return $this->mUser;
+	}
+
+	/**
+	 * Fetch revision's username if it's available to all users
+	 * @return string
+	 */
+	function getUserText() {
+		if( $this->isDeleted( self::DELETED_USER ) ) {
+			return "";
+		} else {
+			return $this->mUserText;
+		}
+	}
+
+	/**
+	 * Fetch revision's username without regard for view restrictions
+	 * @return string
+	 */
+	function getRawUserText() {
+		return $this->mUserText;
+	}
+	
+	/**
+	 * Fetch revision comment if it's available to all users
+	 * @return string
+	 */
+	function getComment() {
+		if( $this->isDeleted( self::DELETED_COMMENT ) ) {
+			return "";
+		} else {
+			return $this->mComment;
+		}
+	}
+
+	/**
+	 * Fetch revision comment without regard for the current user's permissions
+	 * @return string
+	 */
+	function getRawComment() {
+		return $this->mComment;
+	}
+
+	/**
+	 * @return bool
+	 */
+	function isMinor() {
+		return (bool)$this->mMinorEdit;
+	}
+
+	/**
+	 * int $field one of DELETED_* bitfield constants
+	 * @return bool
+	 */
+	function isDeleted( $field ) {
+		return ($this->mDeleted & $field) == $field;
+	}
+
+	/**
+	 * Fetch revision text if it's available to all users
+	 * @return string
+	 */
+	function getText() {
+		if( $this->isDeleted( self::DELETED_TEXT ) ) {
+			return "";
+		} else {
+			return $this->getRawText();
+		}
+	}
+	
+	/**
+	 * Fetch revision text without regard for view restrictions
+	 * @return string
+	 */
+	function getRawText() {
+		if( is_null( $this->mText ) ) {
+			// Revision text is immutable. Load on demand:
+			$this->mText = $this->loadText();
+		}
+		return $this->mText;
+	}
+
+	/**
+	 * @return string
+	 */
+	function getTimestamp() {
+		return wfTimestamp(TS_MW, $this->mTimestamp);
+	}
+
+	/**
+	 * @return bool
+	 */
+	function isCurrent() {
+		return $this->mCurrent;
+	}
+
+	/**
+	 * @return Revision
+	 */
+	function getPrevious() {
+		$prev = $this->mTitle->getPreviousRevisionID( $this->mId );
+		if ( $prev ) {
+			return Revision::newFromTitle( $this->mTitle, $prev );
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * @return Revision
+	 */
+	function getNext() {
+		$next = $this->mTitle->getNextRevisionID( $this->mId );
+		if ( $next ) {
+			return Revision::newFromTitle( $this->mTitle, $next );
+		} else {
+			return null;
+		}
+	}
+	/**#@-*/
+
+	/**
+	  * Get revision text associated with an old or archive row
+	  * $row is usually an object from wfFetchRow(), both the flags and the text
+	  * field must be included
+	  * @static
+	  * @param integer $row Id of a row
+	  * @param string $prefix table prefix (default 'old_')
+	  * @return string $text|false the text requested
+	  */
+	function getRevisionText( $row, $prefix = 'old_' ) {
+		$fname = 'Revision::getRevisionText';
+		wfProfileIn( $fname );
+
+		# Get data
+		$textField = $prefix . 'text';
+		$flagsField = $prefix . 'flags';
+
+		if( isset( $row->$flagsField ) ) {
+			$flags = explode( ',', $row->$flagsField );
+		} else {
+			$flags = array();
+		}
+
+		if( isset( $row->$textField ) ) {
+			$text = $row->$textField;
+		} else {
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		# Use external methods for external objects, text in table is URL-only then
+		if ( in_array( 'external', $flags ) ) {
+			$url=$text;
+			@list($proto,$path)=explode('://',$url,2);
+			if ($path=="") {
+				wfProfileOut( $fname );
+				return false;
+			}
+			require_once('ExternalStore.php');
+			$text=ExternalStore::fetchFromURL($url);
+		}
+
+		// If the text was fetched without an error, convert it
+		if ( $text !== false ) {
+			if( in_array( 'gzip', $flags ) ) {
+				# Deal with optional compression of archived pages.
+				# This can be done periodically via maintenance/compressOld.php, and
+				# as pages are saved if $wgCompressRevisions is set.
+				$text = gzinflate( $text );
+			}
+
+			if( in_array( 'object', $flags ) ) {
+				# Generic compressed storage
+				$obj = unserialize( $text );
+				if ( !is_object( $obj ) ) {
+					// Invalid object
+					wfProfileOut( $fname );
+					return false;
+				}
+				$text = $obj->getText();
+			}
+
+			global $wgLegacyEncoding;
+			if( $wgLegacyEncoding && !in_array( 'utf-8', $flags ) ) {
+				# Old revisions kept around in a legacy encoding?
+				# Upconvert on demand.
+				global $wgInputEncoding, $wgContLang;
+				$text = $wgContLang->iconv( $wgLegacyEncoding, $wgInputEncoding . '//IGNORE', $text );
+			}
+		}
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/**
+	 * If $wgCompressRevisions is enabled, we will compress data.
+	 * The input string is modified in place.
+	 * Return value is the flags field: contains 'gzip' if the
+	 * data is compressed, and 'utf-8' if we're saving in UTF-8
+	 * mode.
+	 *
+	 * @static
+	 * @param mixed $text reference to a text
+	 * @return string
+	 */
+	function compressRevisionText( &$text ) {
+		global $wgCompressRevisions;
+		$flags = array();
+
+		# Revisions not marked this way will be converted
+		# on load if $wgLegacyCharset is set in the future.
+		$flags[] = 'utf-8';
+
+		if( $wgCompressRevisions ) {
+			if( function_exists( 'gzdeflate' ) ) {
+				$text = gzdeflate( $text );
+				$flags[] = 'gzip';
+			} else {
+				wfDebug( "Revision::compressRevisionText() -- no zlib support, not compressing\n" );
+			}
+		}
+		return implode( ',', $flags );
+	}
+
+	/**
+	 * Insert a new revision into the database, returning the new revision ID
+	 * number on success and dies horribly on failure.
+	 *
+	 * @param Database $dbw
+	 * @return int
+	 */
+	function insertOn( &$dbw ) {
+		global $wgDefaultExternalStore;
+		
+		$fname = 'Revision::insertOn';
+		wfProfileIn( $fname );
+
+		$data = $this->mText;
+		$flags = Revision::compressRevisionText( $data );
+
+		# Write to external storage if required
+		if ( $wgDefaultExternalStore ) {
+			if ( is_array( $wgDefaultExternalStore ) ) {
+				// Distribute storage across multiple clusters
+				$store = $wgDefaultExternalStore[mt_rand(0, count( $wgDefaultExternalStore ) - 1)];
+			} else {
+				$store = $wgDefaultExternalStore;
+			}
+			require_once('ExternalStore.php');
+			// Store and get the URL
+			$data = ExternalStore::insert( $store, $data );
+			if ( !$data ) {
+				# This should only happen in the case of a configuration error, where the external store is not valid
+				throw new MWException( "Unable to store text to external storage $store" );
+			}
+			if ( $flags ) {
+				$flags .= ',';
+			}
+			$flags .= 'external';
+		}
+
+		# Record the text (or external storage URL) to the text table
+		if( !isset( $this->mTextId ) ) {
+			$old_id = $dbw->nextSequenceValue( 'text_old_id_val' );
+			$dbw->insert( 'text',
+				array(
+					'old_id'    => $old_id,
+					'old_text'  => $data,
+					'old_flags' => $flags,
+				), $fname
+			);
+			$this->mTextId = $dbw->insertId();
+		}
+
+		# Record the edit in revisions
+		$rev_id = isset( $this->mId )
+			? $this->mId
+			: $dbw->nextSequenceValue( 'rev_rev_id_val' );
+		$dbw->insert( 'revision',
+			array(
+				'rev_id'         => $rev_id,
+				'rev_page'       => $this->mPage,
+				'rev_text_id'    => $this->mTextId,
+				'rev_comment'    => $this->mComment,
+				'rev_minor_edit' => $this->mMinorEdit ? 1 : 0,
+				'rev_user'       => $this->mUser,
+				'rev_user_text'  => $this->mUserText,
+				'rev_timestamp'  => $dbw->timestamp( $this->mTimestamp ),
+				'rev_deleted'    => $this->mDeleted,
+			), $fname
+		);
+
+		$this->mId = !is_null($rev_id) ? $rev_id : $dbw->insertId();
+		wfProfileOut( $fname );
+		return $this->mId;
+	}
+
+	/**
+	 * Lazy-load the revision's text.
+	 * Currently hardcoded to the 'text' table storage engine.
+	 *
+	 * @return string
+	 * @access private
+	 */
+	function loadText() {
+		$fname = 'Revision::loadText';
+		wfProfileIn( $fname );
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$row = $dbr->selectRow( 'text',
+			array( 'old_text', 'old_flags' ),
+			array( 'old_id' => $this->getTextId() ),
+			$fname);
+
+		if( !$row ) {
+			$dbw =& wfGetDB( DB_MASTER );
+			$row = $dbw->selectRow( 'text',
+				array( 'old_text', 'old_flags' ),
+				array( 'old_id' => $this->getTextId() ),
+				$fname);
+		}
+
+		$text = Revision::getRevisionText( $row );
+		wfProfileOut( $fname );
+
+		return $text;
+	}
+
+	/**
+	 * Create a new null-revision for insertion into a page's
+	 * history. This will not re-save the text, but simply refer
+	 * to the text from the previous version.
+	 *
+	 * Such revisions can for instance identify page rename
+	 * operations and other such meta-modifications.
+	 *
+	 * @param Database $dbw
+	 * @param int      $pageId ID number of the page to read from
+	 * @param string   $summary
+	 * @param bool     $minor
+	 * @return Revision
+	 */
+	function newNullRevision( &$dbw, $pageId, $summary, $minor ) {
+		$fname = 'Revision::newNullRevision';
+		wfProfileIn( $fname );
+
+		$current = $dbw->selectRow(
+			array( 'page', 'revision' ),
+			array( 'page_latest', 'rev_text_id' ),
+			array(
+				'page_id' => $pageId,
+				'page_latest=rev_id',
+				),
+			$fname );
+
+		if( $current ) {
+			$revision = new Revision( array(
+				'page'       => $pageId,
+				'comment'    => $summary,
+				'minor_edit' => $minor,
+				'text_id'    => $current->rev_text_id,
+				) );
+		} else {
+			$revision = null;
+		}
+
+		wfProfileOut( $fname );
+		return $revision;
+	}
+	
+	/**
+	 * Determine if the current user is allowed to view a particular
+	 * field of this revision, if it's marked as deleted.
+	 * @param int $field one of self::DELETED_TEXT,
+	 *                          self::DELETED_COMMENT,
+	 *                          self::DELETED_USER
+	 * @return bool
+	 */
+	function userCan( $field ) {
+		if( ( $this->mDeleted & $field ) == $field ) {
+			global $wgUser;
+			$permission = ( $this->mDeleted & self::DELETED_RESTRICTED ) == self::DELETED_RESTRICTED
+				? 'hiderevision'
+				: 'deleterevision';
+			wfDebug( "Checking for $permission due to $field match on $this->mDeleted\n" );
+			return $wgUser->isAllowed( $permission );
+		} else {
+			return true;
+		}
+	}
+
+
+	/**
+	 * Get rev_timestamp from rev_id, without loading the rest of the row
+	 * @param integer $id
+	 */
+	static function getTimestampFromID( $id ) {
+		$timestamp = $dbr->selectField( 'revision', 'rev_timestamp', 
+			array( 'rev_id' => $id ), __METHOD__ );
+		if ( $timestamp === false ) {
+			# Not in slave, try master
+			$dbw =& wfGetDB( DB_MASTER );
+			$timestamp = $dbw->selectField( 'revision', 'rev_timestamp', 
+				array( 'rev_id' => $id ), __METHOD__ );
+		}
+		return $timestamp;
+	}
+	
+	static function countByPageId( $db, $id ) {
+		$row = $db->selectRow( 'revision', 'COUNT(*) AS revCount',
+			array( 'rev_page' => $id ), __METHOD__ );
+		if( $row ) {
+			return $row->revCount;
+		}
+		return 0;
+	}
+	
+	static function countByTitle( $db, $title ) {
+		$id = $title->getArticleId();
+		if( $id ) {
+			return Revision::countByPageId( $db, $id );
+		}
+		return 0;
+	}
+}
+
+/**
+ * Aliases for backwards compatibility with 1.6
+ */
+define( 'MW_REV_DELETED_TEXT', Revision::DELETED_TEXT );
+define( 'MW_REV_DELETED_COMMENT', Revision::DELETED_COMMENT );
+define( 'MW_REV_DELETED_USER', Revision::DELETED_USER );
+define( 'MW_REV_DELETED_RESTRICTED', Revision::DELETED_RESTRICTED );
+
+
+?>
diff --git a/includes/Sanitizer.php b/includes/Sanitizer.php
new file mode 100644
index 00000000..f5a24dfa
--- /dev/null
+++ b/includes/Sanitizer.php
@@ -0,0 +1,1184 @@
+<?php
+/**
+ * XHTML sanitizer for MediaWiki
+ *
+ * Copyright (C) 2002-2005 Brion Vibber <brion@pobox.com> et al
+ * http://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @package MediaWiki
+ * @subpackage Parser
+ */
+
+/**
+ * Regular expression to match various types of character references in
+ * Sanitizer::normalizeCharReferences and Sanitizer::decodeCharReferences
+ */
+define( 'MW_CHAR_REFS_REGEX',
+	'/&([A-Za-z0-9]+);
+	 |&\#([0-9]+);
+	 |&\#x([0-9A-Za-z]+);
+	 |&\#X([0-9A-Za-z]+);
+	 |(&)/x' );
+
+/**
+ * Regular expression to match HTML/XML attribute pairs within a tag.
+ * Allows some... latitude.
+ * Used in Sanitizer::fixTagAttributes and Sanitizer::decodeTagAttributes
+ */
+$attrib = '[A-Za-z0-9]';
+$space = '[\x09\x0a\x0d\x20]';
+define( 'MW_ATTRIBS_REGEX',
+	"/(?:^|$space)($attrib+)
+	  ($space*=$space*
+		(?:
+		 # The attribute value: quoted or alone
+		  \"([^<\"]*)\"
+		 | '([^<']*)'
+		 |  ([a-zA-Z0-9!#$%&()*,\\-.\\/:;<>?@[\\]^_`{|}~]+)
+		 |  (\#[0-9a-fA-F]+) # Technically wrong, but lots of
+							 # colors are specified like this.
+							 # We'll be normalizing it.
+		)
+	   )?(?=$space|\$)/sx" );
+
+/**
+ * List of all named character entities defined in HTML 4.01
+ * http://www.w3.org/TR/html4/sgml/entities.html
+ * @private
+ */
+global $wgHtmlEntities;
+$wgHtmlEntities = array(
+	'Aacute'   => 193,
+	'aacute'   => 225,
+	'Acirc'    => 194,
+	'acirc'    => 226,
+	'acute'    => 180,
+	'AElig'    => 198,
+	'aelig'    => 230,
+	'Agrave'   => 192,
+	'agrave'   => 224,
+	'alefsym'  => 8501,
+	'Alpha'    => 913,
+	'alpha'    => 945,
+	'amp'      => 38,
+	'and'      => 8743,
+	'ang'      => 8736,
+	'Aring'    => 197,
+	'aring'    => 229,
+	'asymp'    => 8776,
+	'Atilde'   => 195,
+	'atilde'   => 227,
+	'Auml'     => 196,
+	'auml'     => 228,
+	'bdquo'    => 8222,
+	'Beta'     => 914,
+	'beta'     => 946,
+	'brvbar'   => 166,
+	'bull'     => 8226,
+	'cap'      => 8745,
+	'Ccedil'   => 199,
+	'ccedil'   => 231,
+	'cedil'    => 184,
+	'cent'     => 162,
+	'Chi'      => 935,
+	'chi'      => 967,
+	'circ'     => 710,
+	'clubs'    => 9827,
+	'cong'     => 8773,
+	'copy'     => 169,
+	'crarr'    => 8629,
+	'cup'      => 8746,
+	'curren'   => 164,
+	'dagger'   => 8224,
+	'Dagger'   => 8225,
+	'darr'     => 8595,
+	'dArr'     => 8659,
+	'deg'      => 176,
+	'Delta'    => 916,
+	'delta'    => 948,
+	'diams'    => 9830,
+	'divide'   => 247,
+	'Eacute'   => 201,
+	'eacute'   => 233,
+	'Ecirc'    => 202,
+	'ecirc'    => 234,
+	'Egrave'   => 200,
+	'egrave'   => 232,
+	'empty'    => 8709,
+	'emsp'     => 8195,
+	'ensp'     => 8194,
+	'Epsilon'  => 917,
+	'epsilon'  => 949,
+	'equiv'    => 8801,
+	'Eta'      => 919,
+	'eta'      => 951,
+	'ETH'      => 208,
+	'eth'      => 240,
+	'Euml'     => 203,
+	'euml'     => 235,
+	'euro'     => 8364,
+	'exist'    => 8707,
+	'fnof'     => 402,
+	'forall'   => 8704,
+	'frac12'   => 189,
+	'frac14'   => 188,
+	'frac34'   => 190,
+	'frasl'    => 8260,
+	'Gamma'    => 915,
+	'gamma'    => 947,
+	'ge'       => 8805,
+	'gt'       => 62,
+	'harr'     => 8596,
+	'hArr'     => 8660,
+	'hearts'   => 9829,
+	'hellip'   => 8230,
+	'Iacute'   => 205,
+	'iacute'   => 237,
+	'Icirc'    => 206,
+	'icirc'    => 238,
+	'iexcl'    => 161,
+	'Igrave'   => 204,
+	'igrave'   => 236,
+	'image'    => 8465,
+	'infin'    => 8734,
+	'int'      => 8747,
+	'Iota'     => 921,
+	'iota'     => 953,
+	'iquest'   => 191,
+	'isin'     => 8712,
+	'Iuml'     => 207,
+	'iuml'     => 239,
+	'Kappa'    => 922,
+	'kappa'    => 954,
+	'Lambda'   => 923,
+	'lambda'   => 955,
+	'lang'     => 9001,
+	'laquo'    => 171,
+	'larr'     => 8592,
+	'lArr'     => 8656,
+	'lceil'    => 8968,
+	'ldquo'    => 8220,
+	'le'       => 8804,
+	'lfloor'   => 8970,
+	'lowast'   => 8727,
+	'loz'      => 9674,
+	'lrm'      => 8206,
+	'lsaquo'   => 8249,
+	'lsquo'    => 8216,
+	'lt'       => 60,
+	'macr'     => 175,
+	'mdash'    => 8212,
+	'micro'    => 181,
+	'middot'   => 183,
+	'minus'    => 8722,
+	'Mu'       => 924,
+	'mu'       => 956,
+	'nabla'    => 8711,
+	'nbsp'     => 160,
+	'ndash'    => 8211,
+	'ne'       => 8800,
+	'ni'       => 8715,
+	'not'      => 172,
+	'notin'    => 8713,
+	'nsub'     => 8836,
+	'Ntilde'   => 209,
+	'ntilde'   => 241,
+	'Nu'       => 925,
+	'nu'       => 957,
+	'Oacute'   => 211,
+	'oacute'   => 243,
+	'Ocirc'    => 212,
+	'ocirc'    => 244,
+	'OElig'    => 338,
+	'oelig'    => 339,
+	'Ograve'   => 210,
+	'ograve'   => 242,
+	'oline'    => 8254,
+	'Omega'    => 937,
+	'omega'    => 969,
+	'Omicron'  => 927,
+	'omicron'  => 959,
+	'oplus'    => 8853,
+	'or'       => 8744,
+	'ordf'     => 170,
+	'ordm'     => 186,
+	'Oslash'   => 216,
+	'oslash'   => 248,
+	'Otilde'   => 213,
+	'otilde'   => 245,
+	'otimes'   => 8855,
+	'Ouml'     => 214,
+	'ouml'     => 246,
+	'para'     => 182,
+	'part'     => 8706,
+	'permil'   => 8240,
+	'perp'     => 8869,
+	'Phi'      => 934,
+	'phi'      => 966,
+	'Pi'       => 928,
+	'pi'       => 960,
+	'piv'      => 982,
+	'plusmn'   => 177,
+	'pound'    => 163,
+	'prime'    => 8242,
+	'Prime'    => 8243,
+	'prod'     => 8719,
+	'prop'     => 8733,
+	'Psi'      => 936,
+	'psi'      => 968,
+	'quot'     => 34,
+	'radic'    => 8730,
+	'rang'     => 9002,
+	'raquo'    => 187,
+	'rarr'     => 8594,
+	'rArr'     => 8658,
+	'rceil'    => 8969,
+	'rdquo'    => 8221,
+	'real'     => 8476,
+	'reg'      => 174,
+	'rfloor'   => 8971,
+	'Rho'      => 929,
+	'rho'      => 961,
+	'rlm'      => 8207,
+	'rsaquo'   => 8250,
+	'rsquo'    => 8217,
+	'sbquo'    => 8218,
+	'Scaron'   => 352,
+	'scaron'   => 353,
+	'sdot'     => 8901,
+	'sect'     => 167,
+	'shy'      => 173,
+	'Sigma'    => 931,
+	'sigma'    => 963,
+	'sigmaf'   => 962,
+	'sim'      => 8764,
+	'spades'   => 9824,
+	'sub'      => 8834,
+	'sube'     => 8838,
+	'sum'      => 8721,
+	'sup'      => 8835,
+	'sup1'     => 185,
+	'sup2'     => 178,
+	'sup3'     => 179,
+	'supe'     => 8839,
+	'szlig'    => 223,
+	'Tau'      => 932,
+	'tau'      => 964,
+	'there4'   => 8756,
+	'Theta'    => 920,
+	'theta'    => 952,
+	'thetasym' => 977,
+	'thinsp'   => 8201,
+	'THORN'    => 222,
+	'thorn'    => 254,
+	'tilde'    => 732,
+	'times'    => 215,
+	'trade'    => 8482,
+	'Uacute'   => 218,
+	'uacute'   => 250,
+	'uarr'     => 8593,
+	'uArr'     => 8657,
+	'Ucirc'    => 219,
+	'ucirc'    => 251,
+	'Ugrave'   => 217,
+	'ugrave'   => 249,
+	'uml'      => 168,
+	'upsih'    => 978,
+	'Upsilon'  => 933,
+	'upsilon'  => 965,
+	'Uuml'     => 220,
+	'uuml'     => 252,
+	'weierp'   => 8472,
+	'Xi'       => 926,
+	'xi'       => 958,
+	'Yacute'   => 221,
+	'yacute'   => 253,
+	'yen'      => 165,
+	'Yuml'     => 376,
+	'yuml'     => 255,
+	'Zeta'     => 918,
+	'zeta'     => 950,
+	'zwj'      => 8205,
+	'zwnj'     => 8204 );
+
+/** @package MediaWiki */
+class Sanitizer {
+	/**
+	 * Cleans up HTML, removes dangerous tags and attributes, and
+	 * removes HTML comments
+	 * @private
+	 * @param string $text
+	 * @param callback $processCallback to do any variable or parameter replacements in HTML attribute values
+	 * @param array $args for the processing callback
+	 * @return string
+	 */
+	function removeHTMLtags( $text, $processCallback = null, $args = array() ) {
+		global $wgUseTidy, $wgUserHtml;
+		$fname = 'Parser::removeHTMLtags';
+		wfProfileIn( $fname );
+
+		if( $wgUserHtml ) {
+			$htmlpairs = array( # Tags that must be closed
+				'b', 'del', 'i', 'ins', 'u', 'font', 'big', 'small', 'sub', 'sup', 'h1',
+				'h2', 'h3', 'h4', 'h5', 'h6', 'cite', 'code', 'em', 's',
+				'strike', 'strong', 'tt', 'var', 'div', 'center',
+				'blockquote', 'ol', 'ul', 'dl', 'table', 'caption', 'pre',
+				'ruby', 'rt' , 'rb' , 'rp', 'p', 'span', 'u'
+			);
+			$htmlsingle = array(
+				'br', 'hr', 'li', 'dt', 'dd'
+			);
+			$htmlsingleonly = array( # Elements that cannot have close tags
+				'br', 'hr'
+			);
+			$htmlnest = array( # Tags that can be nested--??
+				'table', 'tr', 'td', 'th', 'div', 'blockquote', 'ol', 'ul',
+				'dl', 'font', 'big', 'small', 'sub', 'sup', 'span'
+			);
+			$tabletags = array( # Can only appear inside table
+				'td', 'th', 'tr',
+			);
+			$htmllist = array( # Tags used by list
+				'ul','ol',
+			);
+			$listtags = array( # Tags that can appear in a list
+				'li',
+			);
+
+		} else {
+			$htmlpairs = array();
+			$htmlsingle = array();
+			$htmlnest = array();
+			$tabletags = array();
+		}
+
+		$htmlsingleallowed = array_merge( $htmlsingle, $tabletags );
+		$htmlelements = array_merge( $htmlsingle, $htmlpairs, $htmlnest );
+
+		# Remove HTML comments
+		$text = Sanitizer::removeHTMLcomments( $text );
+		$bits = explode( '<', $text );
+		$text = array_shift( $bits );
+		if(!$wgUseTidy) {
+			$tagstack = array(); $tablestack = array();
+			foreach ( $bits as $x ) {
+				$prev = error_reporting( E_ALL & ~( E_NOTICE | E_WARNING ) );
+				preg_match( '/^(\\/?)(\\w+)([^>]*?)(\\/{0,1}>)([^<]*)$/',
+				$x, $regs );
+				list( $qbar, $slash, $t, $params, $brace, $rest ) = $regs;
+				error_reporting( $prev );
+
+				$badtag = 0 ;
+				if ( in_array( $t = strtolower( $t ), $htmlelements ) ) {
+					# Check our stack
+					if ( $slash ) {
+						# Closing a tag...
+						if( in_array( $t, $htmlsingleonly ) ) {
+							$badtag = 1;
+						} elseif ( ( $ot = @array_pop( $tagstack ) ) != $t ) {
+							if ( in_array($ot, $htmlsingleallowed) ) {
+								# Pop all elements with an optional close tag
+								# and see if we find a match below them
+								$optstack = array();
+								array_push ($optstack, $ot);
+								while ( ( ( $ot = @array_pop( $tagstack ) ) != $t ) &&
+												in_array($ot, $htmlsingleallowed) ) {
+									array_push ($optstack, $ot);
+								}
+								if ( $t != $ot ) {
+									# No match. Push the optinal elements back again
+									$badtag = 1;
+									while ( $ot = @array_pop( $optstack ) ) {
+										array_push( $tagstack, $ot );
+									}
+								}
+							} else {
+								@array_push( $tagstack, $ot );
+								# <li> can be nested in <ul> or <ol>, skip those cases:
+								if(!(in_array($ot, $htmllist) && in_array($t, $listtags) )) {
+									$badtag = 1;
+								}
+							}
+						} else {
+							if ( $t == 'table' ) {
+								$tagstack = array_pop( $tablestack );
+							}
+						}
+						$newparams = '';
+					} else {
+						# Keep track for later
+						if ( in_array( $t, $tabletags ) &&
+						! in_array( 'table', $tagstack ) ) {
+							$badtag = 1;
+						} else if ( in_array( $t, $tagstack ) &&
+						! in_array ( $t , $htmlnest ) ) {
+							$badtag = 1 ;
+						# Is it a self closed htmlpair ? (bug 5487)
+						} else if( $brace == '/>' &&
+						in_array($t, $htmlpairs) ) {
+							$badtag = 1;
+						} elseif( in_array( $t, $htmlsingleonly ) ) {
+							# Hack to force empty tag for uncloseable elements
+							$brace = '/>';
+						} else if( in_array( $t, $htmlsingle ) ) {
+							# Hack to not close $htmlsingle tags
+							$brace = NULL;
+						} else {
+							if ( $t == 'table' ) {
+								array_push( $tablestack, $tagstack );
+								$tagstack = array();
+							}
+							array_push( $tagstack, $t );
+						}
+
+						# Replace any variables or template parameters with
+						# plaintext results.
+						if( is_callable( $processCallback ) ) {
+							call_user_func_array( $processCallback, array( &$params, $args ) );
+						}
+
+						# Strip non-approved attributes from the tag
+						$newparams = Sanitizer::fixTagAttributes( $params, $t );
+					}
+					if ( ! $badtag ) {
+						$rest = str_replace( '>', '&gt;', $rest );
+						$close = ( $brace == '/>' ) ? ' /' : '';
+						$text .= "<$slash$t$newparams$close>$rest";
+						continue;
+					}
+				}
+				$text .= '&lt;' . str_replace( '>', '&gt;', $x);
+			}
+			# Close off any remaining tags
+			while ( is_array( $tagstack ) && ($t = array_pop( $tagstack )) ) {
+				$text .= "</$t>\n";
+				if ( $t == 'table' ) { $tagstack = array_pop( $tablestack ); }
+			}
+		} else {
+			# this might be possible using tidy itself
+			foreach ( $bits as $x ) {
+				preg_match( '/^(\\/?)(\\w+)([^>]*?)(\\/{0,1}>)([^<]*)$/',
+				$x, $regs );
+				@list( $qbar, $slash, $t, $params, $brace, $rest ) = $regs;
+				if ( in_array( $t = strtolower( $t ), $htmlelements ) ) {
+					if( is_callable( $processCallback ) ) {
+						call_user_func_array( $processCallback, array( &$params, $args ) );
+					}
+					$newparams = Sanitizer::fixTagAttributes( $params, $t );
+					$rest = str_replace( '>', '&gt;', $rest );
+					$text .= "<$slash$t$newparams$brace$rest";
+				} else {
+					$text .= '&lt;' . str_replace( '>', '&gt;', $x);
+				}
+			}
+		}
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/**
+	 * Remove '<!--', '-->', and everything between.
+	 * To avoid leaving blank lines, when a comment is both preceded
+	 * and followed by a newline (ignoring spaces), trim leading and
+	 * trailing spaces and one of the newlines.
+	 *
+	 * @private
+	 * @param string $text
+	 * @return string
+	 */
+	function removeHTMLcomments( $text ) {
+		$fname='Parser::removeHTMLcomments';
+		wfProfileIn( $fname );
+		while (($start = strpos($text, '<!--')) !== false) {
+			$end = strpos($text, '-->', $start + 4);
+			if ($end === false) {
+				# Unterminated comment; bail out
+				break;
+			}
+
+			$end += 3;
+
+			# Trim space and newline if the comment is both
+			# preceded and followed by a newline
+			$spaceStart = max($start - 1, 0);
+			$spaceLen = $end - $spaceStart;
+			while (substr($text, $spaceStart, 1) === ' ' && $spaceStart > 0) {
+				$spaceStart--;
+				$spaceLen++;
+			}
+			while (substr($text, $spaceStart + $spaceLen, 1) === ' ')
+				$spaceLen++;
+			if (substr($text, $spaceStart, 1) === "\n" and substr($text, $spaceStart + $spaceLen, 1) === "\n") {
+				# Remove the comment, leading and trailing
+				# spaces, and leave only one newline.
+				$text = substr_replace($text, "\n", $spaceStart, $spaceLen + 1);
+			}
+			else {
+				# Remove just the comment.
+				$text = substr_replace($text, '', $start, $end - $start);
+			}
+		}
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/**
+	 * Take an array of attribute names and values and normalize or discard
+	 * illegal values for the given element type.
+	 *
+	 * - Discards attributes not on a whitelist for the given element
+	 * - Unsafe style attributes are discarded
+	 *
+	 * @param array $attribs
+	 * @param string $element
+	 * @return array
+	 *
+	 * @todo Check for legal values where the DTD limits things.
+	 * @todo Check for unique id attribute :P
+	 */
+	function validateTagAttributes( $attribs, $element ) {
+		$whitelist = array_flip( Sanitizer::attributeWhitelist( $element ) );
+		$out = array();
+		foreach( $attribs as $attribute => $value ) {
+			if( !isset( $whitelist[$attribute] ) ) {
+				continue;
+			}
+			# Strip javascript "expression" from stylesheets.
+			# http://msdn.microsoft.com/workshop/author/dhtml/overview/recalc.asp
+			if( $attribute == 'style' ) {
+				$value = Sanitizer::checkCss( $value );
+				if( $value === false ) {
+					# haxx0r
+					continue;
+				}
+			}
+
+			if ( $attribute === 'id' )
+				$value = Sanitizer::escapeId( $value );
+
+			// If this attribute was previously set, override it.
+			// Output should only have one attribute of each name.
+			$out[$attribute] = $value;
+		}
+		return $out;
+	}
+	
+	/**
+	 * Pick apart some CSS and check it for forbidden or unsafe structures.
+	 * Returns a sanitized string, or false if it was just too evil.
+	 *
+	 * Currently URL references, 'expression', 'tps' are forbidden.
+	 *
+	 * @param string $value
+	 * @return mixed
+	 */
+	static function checkCss( $value ) {
+		$stripped = Sanitizer::decodeCharReferences( $value );
+
+		// Remove any comments; IE gets token splitting wrong
+		$stripped = preg_replace( '!/\\*.*?\\*/!S', ' ', $stripped );
+		$value = $stripped;
+
+		// ... and continue checks
+		$stripped = preg_replace( '!\\\\([0-9A-Fa-f]{1,6})[ \\n\\r\\t\\f]?!e',
+			'codepointToUtf8(hexdec("$1"))', $stripped );
+		$stripped = str_replace( '\\', '', $stripped );
+		if( preg_match( '/(expression|tps*:\/\/|url\\s*\().*/is',
+				$stripped ) ) {
+			# haxx0r
+			return false;
+		}
+		
+		return $value;
+	}
+
+	/**
+	 * Take a tag soup fragment listing an HTML element's attributes
+	 * and normalize it to well-formed XML, discarding unwanted attributes.
+	 * Output is safe for further wikitext processing, with escaping of
+	 * values that could trigger problems.
+	 *
+	 * - Normalizes attribute names to lowercase
+	 * - Discards attributes not on a whitelist for the given element
+	 * - Turns broken or invalid entities into plaintext
+	 * - Double-quotes all attribute values
+	 * - Attributes without values are given the name as attribute
+	 * - Double attributes are discarded
+	 * - Unsafe style attributes are discarded
+	 * - Prepends space if there are attributes.
+	 *
+	 * @param string $text
+	 * @param string $element
+	 * @return string
+	 */
+	function fixTagAttributes( $text, $element ) {
+		if( trim( $text ) == '' ) {
+			return '';
+		}
+		
+		$stripped = Sanitizer::validateTagAttributes(
+			Sanitizer::decodeTagAttributes( $text ), $element );
+		
+		$attribs = array();
+		foreach( $stripped as $attribute => $value ) {
+			$encAttribute = htmlspecialchars( $attribute );
+			$encValue = Sanitizer::safeEncodeAttribute( $value );
+			
+			$attribs[] = "$encAttribute=\"$encValue\"";
+		}
+		return count( $attribs ) ? ' ' . implode( ' ', $attribs ) : '';
+	}
+
+	/**
+	 * Encode an attribute value for HTML output.
+	 * @param $text
+	 * @return HTML-encoded text fragment
+	 */
+	function encodeAttribute( $text ) {
+		$encValue = htmlspecialchars( $text );
+		
+		// Whitespace is normalized during attribute decoding,
+		// so if we've been passed non-spaces we must encode them
+		// ahead of time or they won't be preserved.
+		$encValue = strtr( $encValue, array(
+			"\n" => '&#10;',
+			"\r" => '&#13;',
+			"\t" => '&#9;',
+		) );
+		
+		return $encValue;
+	}
+	
+	/**
+	 * Encode an attribute value for HTML tags, with extra armoring
+	 * against further wiki processing.
+	 * @param $text
+	 * @return HTML-encoded text fragment
+	 */
+	function safeEncodeAttribute( $text ) {
+		$encValue = Sanitizer::encodeAttribute( $text );
+		
+		# Templates and links may be expanded in later parsing,
+		# creating invalid or dangerous output. Suppress this.
+		$encValue = strtr( $encValue, array(
+			'<'    => '&lt;',   // This should never happen,
+			'>'    => '&gt;',   // we've received invalid input
+			'"'    => '&quot;', // which should have been escaped.
+			'{'    => '&#123;',
+			'['    => '&#91;',
+			"''"   => '&#39;&#39;',
+			'ISBN' => '&#73;SBN',
+			'RFC'  => '&#82;FC',
+			'PMID' => '&#80;MID',
+			'|'    => '&#124;',
+			'__'   => '&#95;_',
+		) );
+
+		# Stupid hack
+		$encValue = preg_replace_callback(
+			'/(' . wfUrlProtocols() . ')/',
+			array( 'Sanitizer', 'armorLinksCallback' ),
+			$encValue );
+		return $encValue;
+	}
+
+	/**
+	 * Given a value escape it so that it can be used in an id attribute and
+	 * return it, this does not validate the value however (see first link)
+	 *
+	 * @link http://www.w3.org/TR/html401/types.html#type-name Valid characters
+	 *                                                          in the id and
+	 *                                                          name attributes
+	 * @link http://www.w3.org/TR/html401/struct/links.html#h-12.2.3 Anchors with the id attribute
+	 *
+	 * @bug 4461
+	 *
+	 * @static
+	 *
+	 * @param string $id
+	 * @return string
+	 */
+	function escapeId( $id ) {
+		static $replace = array(
+			'%3A' => ':',
+			'%' => '.'
+		);
+
+		$id = urlencode( Sanitizer::decodeCharReferences( strtr( $id, ' ', '_' ) ) );
+
+		return str_replace( array_keys( $replace ), array_values( $replace ), $id );
+	}
+
+	/**
+	 * Regex replace callback for armoring links against further processing.
+	 * @param array $matches
+	 * @return string
+	 * @private
+	 */
+	function armorLinksCallback( $matches ) {
+		return str_replace( ':', '&#58;', $matches[1] );
+	}
+
+	/**
+	 * Return an associative array of attribute names and values from
+	 * a partial tag string. Attribute names are forces to lowercase,
+	 * character references are decoded to UTF-8 text.
+	 *
+	 * @param string
+	 * @return array
+	 */
+	function decodeTagAttributes( $text ) {
+		$attribs = array();
+
+		if( trim( $text ) == '' ) {
+			return $attribs;
+		}
+
+		$pairs = array();
+		if( !preg_match_all(
+			MW_ATTRIBS_REGEX,
+			$text,
+			$pairs,
+			PREG_SET_ORDER ) ) {
+			return $attribs;
+		}
+
+		foreach( $pairs as $set ) {
+			$attribute = strtolower( $set[1] );
+			$value = Sanitizer::getTagAttributeCallback( $set );
+			
+			// Normalize whitespace
+			$value = preg_replace( '/[\t\r\n ]+/', ' ', $value );
+			$value = trim( $value );
+			
+			// Decode character references
+			$attribs[$attribute] = Sanitizer::decodeCharReferences( $value );
+		}
+		return $attribs;
+	}
+
+	/**
+	 * Pick the appropriate attribute value from a match set from the
+	 * MW_ATTRIBS_REGEX matches.
+	 *
+	 * @param array $set
+	 * @return string
+	 * @private
+	 */
+	function getTagAttributeCallback( $set ) {
+		if( isset( $set[6] ) ) {
+			# Illegal #XXXXXX color with no quotes.
+			return $set[6];
+		} elseif( isset( $set[5] ) ) {
+			# No quotes.
+			return $set[5];
+		} elseif( isset( $set[4] ) ) {
+			# Single-quoted
+			return $set[4];
+		} elseif( isset( $set[3] ) ) {
+			# Double-quoted
+			return $set[3];
+		} elseif( !isset( $set[2] ) ) {
+			# In XHTML, attributes must have a value.
+			# For 'reduced' form, return explicitly the attribute name here.
+			return $set[1];
+		} else {
+			throw new MWException( "Tag conditions not met. This should never happen and is a bug." );
+		}
+	}
+
+	/**
+	 * Normalize whitespace and character references in an XML source-
+	 * encoded text for an attribute value.
+	 *
+	 * See http://www.w3.org/TR/REC-xml/#AVNormalize for background,
+	 * but note that we're not returning the value, but are returning
+	 * XML source fragments that will be slapped into output.
+	 *
+	 * @param string $text
+	 * @return string
+	 * @private
+	 */
+	function normalizeAttributeValue( $text ) {
+		return str_replace( '"', '&quot;',
+			preg_replace(
+				'/\r\n|[\x20\x0d\x0a\x09]/',
+				' ',
+				Sanitizer::normalizeCharReferences( $text ) ) );
+	}
+
+	/**
+	 * Ensure that any entities and character references are legal
+	 * for XML and XHTML specifically. Any stray bits will be
+	 * &amp;-escaped to result in a valid text fragment.
+	 *
+	 * a. any named char refs must be known in XHTML
+	 * b. any numeric char refs must be legal chars, not invalid or forbidden
+	 * c. use &#x, not &#X
+	 * d. fix or reject non-valid attributes
+	 *
+	 * @param string $text
+	 * @return string
+	 * @private
+	 */
+	function normalizeCharReferences( $text ) {
+		return preg_replace_callback(
+			MW_CHAR_REFS_REGEX,
+			array( 'Sanitizer', 'normalizeCharReferencesCallback' ),
+			$text );
+	}
+	/**
+	 * @param string $matches
+	 * @return string
+	 */
+	function normalizeCharReferencesCallback( $matches ) {
+		$ret = null;
+		if( $matches[1] != '' ) {
+			$ret = Sanitizer::normalizeEntity( $matches[1] );
+		} elseif( $matches[2] != '' ) {
+			$ret = Sanitizer::decCharReference( $matches[2] );
+		} elseif( $matches[3] != ''  ) {
+			$ret = Sanitizer::hexCharReference( $matches[3] );
+		} elseif( $matches[4] != '' ) {
+			$ret = Sanitizer::hexCharReference( $matches[4] );
+		}
+		if( is_null( $ret ) ) {
+			return htmlspecialchars( $matches[0] );
+		} else {
+			return $ret;
+		}
+	}
+
+	/**
+	 * If the named entity is defined in the HTML 4.0/XHTML 1.0 DTD,
+	 * return the named entity reference as is. Otherwise, returns
+	 * HTML-escaped text of pseudo-entity source (eg &amp;foo;)
+	 *
+	 * @param string $name
+	 * @return string
+	 */
+	function normalizeEntity( $name ) {
+		global $wgHtmlEntities;
+		if( isset( $wgHtmlEntities[$name] ) ) {
+			return "&$name;";
+		} else {
+			return "&amp;$name;";
+		}
+	}
+
+	function decCharReference( $codepoint ) {
+		$point = intval( $codepoint );
+		if( Sanitizer::validateCodepoint( $point ) ) {
+			return sprintf( '&#%d;', $point );
+		} else {
+			return null;
+		}
+	}
+
+	function hexCharReference( $codepoint ) {
+		$point = hexdec( $codepoint );
+		if( Sanitizer::validateCodepoint( $point ) ) {
+			return sprintf( '&#x%x;', $point );
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * Returns true if a given Unicode codepoint is a valid character in XML.
+	 * @param int $codepoint
+	 * @return bool
+	 */
+	function validateCodepoint( $codepoint ) {
+		return ($codepoint ==    0x09)
+			|| ($codepoint ==    0x0a)
+			|| ($codepoint ==    0x0d)
+			|| ($codepoint >=    0x20 && $codepoint <=   0xd7ff)
+			|| ($codepoint >=  0xe000 && $codepoint <=   0xfffd)
+			|| ($codepoint >= 0x10000 && $codepoint <= 0x10ffff);
+	}
+
+	/**
+	 * Decode any character references, numeric or named entities,
+	 * in the text and return a UTF-8 string.
+	 *
+	 * @param string $text
+	 * @return string
+	 * @public
+	 */
+	function decodeCharReferences( $text ) {
+		return preg_replace_callback(
+			MW_CHAR_REFS_REGEX,
+			array( 'Sanitizer', 'decodeCharReferencesCallback' ),
+			$text );
+	}
+
+	/**
+	 * @param string $matches
+	 * @return string
+	 */
+	function decodeCharReferencesCallback( $matches ) {
+		if( $matches[1] != '' ) {
+			return Sanitizer::decodeEntity( $matches[1] );
+		} elseif( $matches[2] != '' ) {
+			return  Sanitizer::decodeChar( intval( $matches[2] ) );
+		} elseif( $matches[3] != ''  ) {
+			return  Sanitizer::decodeChar( hexdec( $matches[3] ) );
+		} elseif( $matches[4] != '' ) {
+			return  Sanitizer::decodeChar( hexdec( $matches[4] ) );
+		}
+		# Last case should be an ampersand by itself
+		return $matches[0];
+	}
+
+	/**
+	 * Return UTF-8 string for a codepoint if that is a valid
+	 * character reference, otherwise U+FFFD REPLACEMENT CHARACTER.
+	 * @param int $codepoint
+	 * @return string
+	 * @private
+	 */
+	function decodeChar( $codepoint ) {
+		if( Sanitizer::validateCodepoint( $codepoint ) ) {
+			return codepointToUtf8( $codepoint );
+		} else {
+			return UTF8_REPLACEMENT;
+		}
+	}
+
+	/**
+	 * If the named entity is defined in the HTML 4.0/XHTML 1.0 DTD,
+	 * return the UTF-8 encoding of that character. Otherwise, returns
+	 * pseudo-entity source (eg &foo;)
+	 *
+	 * @param string $name
+	 * @return string
+	 */
+	function decodeEntity( $name ) {
+		global $wgHtmlEntities;
+		if( isset( $wgHtmlEntities[$name] ) ) {
+			return codepointToUtf8( $wgHtmlEntities[$name] );
+		} else {
+			return "&$name;";
+		}
+	}
+
+	/**
+	 * Fetch the whitelist of acceptable attributes for a given
+	 * element name.
+	 *
+	 * @param string $element
+	 * @return array
+	 */
+	function attributeWhitelist( $element ) {
+		static $list;
+		if( !isset( $list ) ) {
+			$list = Sanitizer::setupAttributeWhitelist();
+		}
+		return isset( $list[$element] )
+			? $list[$element]
+			: array();
+	}
+
+	/**
+	 * @return array
+	 */
+	function setupAttributeWhitelist() {
+		$common = array( 'id', 'class', 'lang', 'dir', 'title', 'style' );
+		$block = array_merge( $common, array( 'align' ) );
+		$tablealign = array( 'align', 'char', 'charoff', 'valign' );
+		$tablecell = array( 'abbr',
+		                    'axis',
+		                    'headers',
+		                    'scope',
+		                    'rowspan',
+		                    'colspan',
+		                    'nowrap', # deprecated
+		                    'width',  # deprecated
+		                    'height', # deprecated
+		                    'bgcolor' # deprecated
+		                    );
+
+		# Numbers refer to sections in HTML 4.01 standard describing the element.
+		# See: http://www.w3.org/TR/html4/
+		$whitelist = array (
+			# 7.5.4
+			'div'        => $block,
+			'center'     => $common, # deprecated
+			'span'       => $block, # ??
+
+			# 7.5.5
+			'h1'         => $block,
+			'h2'         => $block,
+			'h3'         => $block,
+			'h4'         => $block,
+			'h5'         => $block,
+			'h6'         => $block,
+
+			# 7.5.6
+			# address
+
+			# 8.2.4
+			# bdo
+
+			# 9.2.1
+			'em'         => $common,
+			'strong'     => $common,
+			'cite'       => $common,
+			# dfn
+			'code'       => $common,
+			# samp
+			# kbd
+			'var'        => $common,
+			# abbr
+			# acronym
+
+			# 9.2.2
+			'blockquote' => array_merge( $common, array( 'cite' ) ),
+			# q
+
+			# 9.2.3
+			'sub'        => $common,
+			'sup'        => $common,
+
+			# 9.3.1
+			'p'          => $block,
+
+			# 9.3.2
+			'br'         => array( 'id', 'class', 'title', 'style', 'clear' ),
+
+			# 9.3.4
+			'pre'        => array_merge( $common, array( 'width' ) ),
+
+			# 9.4
+			'ins'        => array_merge( $common, array( 'cite', 'datetime' ) ),
+			'del'        => array_merge( $common, array( 'cite', 'datetime' ) ),
+
+			# 10.2
+			'ul'         => array_merge( $common, array( 'type' ) ),
+			'ol'         => array_merge( $common, array( 'type', 'start' ) ),
+			'li'         => array_merge( $common, array( 'type', 'value' ) ),
+
+			# 10.3
+			'dl'         => $common,
+			'dd'         => $common,
+			'dt'         => $common,
+
+			# 11.2.1
+			'table'      => array_merge( $common,
+								array( 'summary', 'width', 'border', 'frame',
+											 'rules', 'cellspacing', 'cellpadding',
+											 'align', 'bgcolor', 'frame', 'rules',
+											 'border' ) ),
+
+			# 11.2.2
+			'caption'    => array_merge( $common, array( 'align' ) ),
+
+			# 11.2.3
+			'thead'      => array_merge( $common, $tablealign ),
+			'tfoot'      => array_merge( $common, $tablealign ),
+			'tbody'      => array_merge( $common, $tablealign ),
+
+			# 11.2.4
+			'colgroup'   => array_merge( $common, array( 'span', 'width' ), $tablealign ),
+			'col'        => array_merge( $common, array( 'span', 'width' ), $tablealign ),
+
+			# 11.2.5
+			'tr'         => array_merge( $common, array( 'bgcolor' ), $tablealign ),
+
+			# 11.2.6
+			'td'         => array_merge( $common, $tablecell, $tablealign ),
+			'th'         => array_merge( $common, $tablecell, $tablealign ),
+
+			# 15.2.1
+			'tt'         => $common,
+			'b'          => $common,
+			'i'          => $common,
+			'big'        => $common,
+			'small'      => $common,
+			'strike'     => $common,
+			's'          => $common,
+			'u'          => $common,
+
+			# 15.2.2
+			'font'       => array_merge( $common, array( 'size', 'color', 'face' ) ),
+			# basefont
+
+			# 15.3
+			'hr'         => array_merge( $common, array( 'noshade', 'size', 'width' ) ),
+
+			# XHTML Ruby annotation text module, simple ruby only.
+			# http://www.w3c.org/TR/ruby/
+			'ruby'       => $common,
+			# rbc
+			# rtc
+			'rb'         => $common,
+			'rt'         => $common, #array_merge( $common, array( 'rbspan' ) ),
+			'rp'         => $common,
+			);
+		return $whitelist;
+	}
+
+	/**
+	 * Take a fragment of (potentially invalid) HTML and return
+	 * a version with any tags removed, encoded suitably for literal
+	 * inclusion in an attribute value.
+	 *
+	 * @param string $text HTML fragment
+	 * @return string
+	 */
+	function stripAllTags( $text ) {
+		# Actual <tags>
+		$text = preg_replace( '/ < .*? > /x', '', $text );
+
+		# Normalize &entities and whitespace
+		$text = Sanitizer::normalizeAttributeValue( $text );
+
+		# Will be placed into "double-quoted" attributes,
+		# make sure remaining bits are safe.
+		$text = str_replace(
+			array('<', '>', '"'),
+			array('&lt;', '&gt;', '&quot;'),
+			$text );
+
+		return $text;
+	}
+
+	/**
+	 * Hack up a private DOCTYPE with HTML's standard entity declarations.
+	 * PHP 4 seemed to know these if you gave it an HTML doctype, but
+	 * PHP 5.1 doesn't.
+	 *
+	 * Use for passing XHTML fragments to PHP's XML parsing functions
+	 *
+	 * @return string
+	 * @static
+	 */
+	function hackDocType() {
+		global $wgHtmlEntities;
+		$out = "<!DOCTYPE html [\n";
+		foreach( $wgHtmlEntities as $entity => $codepoint ) {
+			$out .= "<!ENTITY $entity \"&#$codepoint;\">";
+		}
+		$out .= "]>\n";
+		return $out;
+	}
+
+}
+
+?>
diff --git a/includes/SearchEngine.php b/includes/SearchEngine.php
new file mode 100644
index 00000000..c3b38519
--- /dev/null
+++ b/includes/SearchEngine.php
@@ -0,0 +1,345 @@
+<?php
+/**
+ * Contain a class for special pages
+ * @package MediaWiki
+ * @subpackage Search
+ */
+
+/**
+ * @package MediaWiki
+ */
+class SearchEngine {
+	var $limit = 10;
+	var $offset = 0;
+	var $searchTerms = array();
+	var $namespaces = array( NS_MAIN );
+	var $showRedirects = false;
+
+	/**
+	 * Perform a full text search query and return a result set.
+	 * If title searches are not supported or disabled, return null.
+	 *
+	 * @param string $term - Raw search term
+	 * @return SearchResultSet
+	 * @access public
+	 * @abstract
+	 */
+	function searchText( $term ) {
+		return null;
+	}
+
+	/**
+	 * Perform a title-only search query and return a result set.
+	 * If title searches are not supported or disabled, return null.
+	 *
+	 * @param string $term - Raw search term
+	 * @return SearchResultSet
+	 * @access public
+	 * @abstract
+	 */
+	function searchTitle( $term ) {
+		return null;
+	}
+
+	/**
+	 * If an exact title match can be find, or a very slightly close match,
+	 * return the title. If no match, returns NULL.
+	 *
+	 * @static
+	 * @param string $term
+	 * @return Title
+	 * @private
+	 */
+	function getNearMatch( $term ) {
+		# Exact match? No need to look further.
+		$title = Title::newFromText( $term );
+		if (is_null($title))
+			return NULL;
+
+		if ( $title->getNamespace() == NS_SPECIAL || $title->exists() ) {
+			return $title;
+		}
+
+		# Now try all lower case (i.e. first letter capitalized)
+		#
+		$title = Title::newFromText( strtolower( $term ) );
+		if ( $title->exists() ) {
+			return $title;
+		}
+
+		# Now try capitalized string
+		#
+		$title = Title::newFromText( ucwords( strtolower( $term ) ) );
+		if ( $title->exists() ) {
+			return $title;
+		}
+
+		# Now try all upper case
+		#
+		$title = Title::newFromText( strtoupper( $term ) );
+		if ( $title->exists() ) {
+			return $title;
+		}
+
+		# Now try Word-Caps-Breaking-At-Word-Breaks, for hyphenated names etc
+		$title = Title::newFromText( preg_replace_callback(
+			'/\b([\w\x80-\xff]+)\b/',
+			create_function( '$matches', '
+				global $wgContLang;
+				return $wgContLang->ucfirst($matches[1]);
+				' ),
+			$term ) );
+		if ( $title->exists() ) {
+			return $title;
+		}
+
+		global $wgCapitalLinks, $wgContLang;
+		if( !$wgCapitalLinks ) {
+			// Catch differs-by-first-letter-case-only
+			$title = Title::newFromText( $wgContLang->ucfirst( $term ) );
+			if ( $title->exists() ) {
+				return $title;
+			}
+			$title = Title::newFromText( $wgContLang->lcfirst( $term ) );
+			if ( $title->exists() ) {
+				return $title;
+			}
+		}
+
+		$title = Title::newFromText( $term );
+
+		# Entering an IP address goes to the contributions page
+		if ( ( $title->getNamespace() == NS_USER && User::isIP($title->getText() ) )
+			|| User::isIP( trim( $term ) ) ) {
+			return Title::makeTitle( NS_SPECIAL, "Contributions/" . $title->getDbkey() );
+		}
+
+
+		# Entering a user goes to the user page whether it's there or not
+		if ( $title->getNamespace() == NS_USER ) {
+			return $title;
+		}
+
+		# Quoted term? Try without the quotes...
+		if( preg_match( '/^"([^"]+)"$/', $term, $matches ) ) {
+			return SearchEngine::getNearMatch( $matches[1] );
+		}
+
+		return NULL;
+	}
+
+	function legalSearchChars() {
+		return "A-Za-z_'0-9\\x80-\\xFF\\-";
+	}
+
+	/**
+	 * Set the maximum number of results to return
+	 * and how many to skip before returning the first.
+	 *
+	 * @param int $limit
+	 * @param int $offset
+	 * @access public
+	 */
+	function setLimitOffset( $limit, $offset = 0 ) {
+		$this->limit = intval( $limit );
+		$this->offset = intval( $offset );
+	}
+
+	/**
+	 * Set which namespaces the search should include.
+	 * Give an array of namespace index numbers.
+	 *
+	 * @param array $namespaces
+	 * @access public
+	 */
+	function setNamespaces( $namespaces ) {
+		$this->namespaces = $namespaces;
+	}
+
+	/**
+	 * Make a list of searchable namespaces and their canonical names.
+	 * @return array
+	 * @access public
+	 */
+	function searchableNamespaces() {
+		global $wgContLang;
+		$arr = array();
+		foreach( $wgContLang->getNamespaces() as $ns => $name ) {
+			if( $ns >= NS_MAIN ) {
+				$arr[$ns] = $name;
+			}
+		}
+		return $arr;
+	}
+
+	/**
+	 * Return a 'cleaned up' search string
+	 *
+	 * @return string
+	 * @access public
+	 */
+	function filter( $text ) {
+		$lc = $this->legalSearchChars();
+		return trim( preg_replace( "/[^{$lc}]/", " ", $text ) );
+	}
+	/**
+	 * Load up the appropriate search engine class for the currently
+	 * active database backend, and return a configured instance.
+	 *
+	 * @return SearchEngine
+	 * @private
+	 */
+	function create() {
+		global $wgDBtype, $wgSearchType;
+		if( $wgSearchType ) {
+			$class = $wgSearchType;
+		} elseif( $wgDBtype == 'mysql' ) {
+			$class = 'SearchMySQL4';
+		} else if ( $wgDBtype == 'postgres' ) {
+			$class = 'SearchPostgres';
+		} else {
+			$class = 'SearchEngineDummy';
+		}
+		$search = new $class( wfGetDB( DB_SLAVE ) );
+		$search->setLimitOffset(0,0);
+		return $search;
+	}
+
+	/**
+	 * Create or update the search index record for the given page.
+	 * Title and text should be pre-processed.
+	 *
+	 * @param int $id
+	 * @param string $title
+	 * @param string $text
+	 * @abstract
+	 */
+	function update( $id, $title, $text ) {
+		// no-op
+	}
+
+	/**
+	 * Update a search index record's title only.
+	 * Title should be pre-processed.
+	 *
+	 * @param int $id
+	 * @param string $title
+	 * @abstract
+	 */
+    function updateTitle( $id, $title ) {
+		// no-op
+    }
+}
+
+/** @package MediaWiki */
+class SearchResultSet {
+	/**
+	 * Fetch an array of regular expression fragments for matching
+	 * the search terms as parsed by this engine in a text extract.
+	 *
+	 * @return array
+	 * @access public
+	 * @abstract
+	 */
+	function termMatches() {
+		return array();
+	}
+
+	function numRows() {
+		return 0;
+	}
+
+	/**
+	 * Return true if results are included in this result set.
+	 * @return bool
+	 * @abstract
+	 */
+	function hasResults() {
+		return false;
+	}
+
+	/**
+	 * Some search modes return a total hit count for the query
+	 * in the entire article database. This may include pages
+	 * in namespaces that would not be matched on the given
+	 * settings.
+	 *
+	 * Return null if no total hits number is supported.
+	 *
+	 * @return int
+	 * @access public
+	 */
+	function getTotalHits() {
+		return null;
+	}
+
+	/**
+	 * Some search modes return a suggested alternate term if there are
+	 * no exact hits. Returns true if there is one on this set.
+	 *
+	 * @return bool
+	 * @access public
+	 */
+	function hasSuggestion() {
+		return false;
+	}
+
+	/**
+	 * Some search modes return a suggested alternate term if there are
+	 * no exact hits. Check hasSuggestion() first.
+	 *
+	 * @return string
+	 * @access public
+	 */
+	function getSuggestion() {
+		return '';
+	}
+
+	/**
+	 * Fetches next search result, or false.
+	 * @return SearchResult
+	 * @access public
+	 * @abstract
+	 */
+	function next() {
+		return false;
+	}
+}
+
+/** @package MediaWiki */
+class SearchResult {
+	function SearchResult( $row ) {
+		$this->mTitle = Title::makeTitle( $row->page_namespace, $row->page_title );
+	}
+
+	/**
+	 * @return Title
+	 * @access public
+	 */
+	function getTitle() {
+		return $this->mTitle;
+	}
+
+	/**
+	 * @return double or null if not supported
+	 */
+	function getScore() {
+		return null;
+	}
+}
+
+/**
+ * @package MediaWiki
+ */
+class SearchEngineDummy {
+	function search( $term ) {
+		return null;
+	}
+	function setLimitOffset($l, $o) {}
+	function legalSearchChars() {}
+	function update() {}
+	function setnamespaces() {}
+	function searchtitle() {}
+	function searchtext() {}
+}
+?>
diff --git a/includes/SearchMySQL.php b/includes/SearchMySQL.php
new file mode 100644
index 00000000..15515952
--- /dev/null
+++ b/includes/SearchMySQL.php
@@ -0,0 +1,206 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Search engine hook base class for MySQL.
+ * Specific bits for MySQL 3 and 4 variants are in child classes.
+ * @package MediaWiki
+ * @subpackage Search
+ */
+
+/** @package MediaWiki */
+class SearchMySQL extends SearchEngine {
+	/**
+	 * Perform a full text search query and return a result set.
+	 *
+	 * @param string $term - Raw search term
+	 * @return MySQLSearchResultSet
+	 * @access public
+	 */
+	function searchText( $term ) {
+		$resultSet = $this->db->resultObject( $this->db->query( $this->getQuery( $this->filter( $term ), true ) ) );
+		return new MySQLSearchResultSet( $resultSet, $this->searchTerms );
+	}
+
+	/**
+	 * Perform a title-only search query and return a result set.
+	 *
+	 * @param string $term - Raw search term
+	 * @return MySQLSearchResultSet
+	 * @access public
+	 */
+	function searchTitle( $term ) {
+		$resultSet = $this->db->resultObject( $this->db->query( $this->getQuery( $this->filter( $term ), false ) ) );
+		return new MySQLSearchResultSet( $resultSet, $this->searchTerms );
+	}
+
+
+	/**
+	 * Return a partial WHERE clause to exclude redirects, if so set
+	 * @return string
+	 * @private
+	 */
+	function queryRedirect() {
+		if( $this->showRedirects ) {
+			return '';
+		} else {
+			return 'AND page_is_redirect=0';
+		}
+	}
+
+	/**
+	 * Return a partial WHERE clause to limit the search to the given namespaces
+	 * @return string
+	 * @private
+	 */
+	function queryNamespaces() {
+		$namespaces = implode( ',', $this->namespaces );
+		if ($namespaces == '') {
+			$namespaces = '0';
+		}
+		return 'AND page_namespace IN (' . $namespaces . ')';
+	}
+
+	/**
+	 * Return a LIMIT clause to limit results on the query.
+	 * @return string
+	 * @private
+	 */
+	function queryLimit() {
+		return $this->db->limitResult( '', $this->limit, $this->offset );
+	}
+
+	/**
+	 * Does not do anything for generic search engine
+	 * subclasses may define this though
+	 * @return string
+	 * @private
+	 */
+	function queryRanking( $filteredTerm, $fulltext ) {
+		return '';
+	}
+
+	/**
+	 * Construct the full SQL query to do the search.
+	 * The guts shoulds be constructed in queryMain()
+	 * @param string $filteredTerm
+	 * @param bool $fulltext
+	 * @private
+	 */
+	function getQuery( $filteredTerm, $fulltext ) {
+		return $this->queryMain( $filteredTerm, $fulltext ) . ' ' .
+			$this->queryRedirect() . ' ' .
+			$this->queryNamespaces() . ' ' .
+			$this->queryRanking( $filteredTerm, $fulltext ) . ' ' .
+			$this->queryLimit();
+	}
+
+
+	/**
+	 * Picks which field to index on, depending on what type of query.
+	 * @param bool $fulltext
+	 * @return string
+	 */
+	function getIndexField( $fulltext ) {
+		return $fulltext ? 'si_text' : 'si_title';
+	}
+
+	/**
+	 * Get the base part of the search query.
+	 * The actual match syntax will depend on the server
+	 * version; MySQL 3 and MySQL 4 have different capabilities
+	 * in their fulltext search indexes.
+	 *
+	 * @param string $filteredTerm
+	 * @param bool $fulltext
+	 * @return string
+	 * @private
+	 */
+	function queryMain( $filteredTerm, $fulltext ) {
+		$match = $this->parseQuery( $filteredTerm, $fulltext );
+		$page        = $this->db->tableName( 'page' );
+		$searchindex = $this->db->tableName( 'searchindex' );
+		return 'SELECT page_id, page_namespace, page_title ' .
+			"FROM $page,$searchindex " .
+			'WHERE page_id=si_page AND ' . $match;
+	}
+
+	/**
+	 * Create or update the search index record for the given page.
+	 * Title and text should be pre-processed.
+	 *
+	 * @param int $id
+	 * @param string $title
+	 * @param string $text
+	 */
+	function update( $id, $title, $text ) {
+		$dbw=& wfGetDB( DB_MASTER );
+		$dbw->replace( 'searchindex',
+			array( 'si_page' ),
+			array(
+				'si_page' => $id,
+				'si_title' => $title,
+				'si_text' => $text
+			), 'SearchMySQL4::update' );
+	}
+
+	/**
+	 * Update a search index record's title only.
+	 * Title should be pre-processed.
+	 *
+	 * @param int $id
+	 * @param string $title
+	 */
+    function updateTitle( $id, $title ) {
+		$dbw =& wfGetDB( DB_MASTER );
+
+		$dbw->update( 'searchindex',
+			array( 'si_title' => $title ),
+			array( 'si_page'  => $id ),
+			'SearchMySQL4::updateTitle',
+			array( $dbw->lowPriorityOption() ) );
+	}
+}
+
+/** @package MediaWiki */
+class MySQLSearchResultSet extends SearchResultSet {
+	function MySQLSearchResultSet( $resultSet, $terms ) {
+		$this->mResultSet = $resultSet;
+		$this->mTerms = $terms;
+	}
+
+	function termMatches() {
+		return $this->mTerms;
+	}
+
+	function numRows() {
+		return $this->mResultSet->numRows();
+	}
+
+	function next() {
+		$row = $this->mResultSet->fetchObject();
+		if( $row === false ) {
+			return false;
+		} else {
+			return new SearchResult( $row );
+		}
+	}
+}
+
+?>
diff --git a/includes/SearchMySQL4.php b/includes/SearchMySQL4.php
new file mode 100644
index 00000000..dcc1f685
--- /dev/null
+++ b/includes/SearchMySQL4.php
@@ -0,0 +1,73 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Search engine hook for MySQL 4+
+ * @package MediaWiki
+ * @subpackage Search
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage Search
+ */
+class SearchMySQL4 extends SearchMySQL {
+	var $strictMatching = true;
+
+	/** @todo document */
+	function SearchMySQL4( &$db ) {
+		$this->db =& $db;
+	}
+
+	/** @todo document */
+	function parseQuery( $filteredText, $fulltext ) {
+		global $wgContLang;
+		$lc = SearchEngine::legalSearchChars();
+		$searchon = '';
+		$this->searchTerms = array();
+
+		# FIXME: This doesn't handle parenthetical expressions.
+		if( preg_match_all( '/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/',
+			  $filteredText, $m, PREG_SET_ORDER ) ) {
+			foreach( $m as $terms ) {
+				if( $searchon !== '' ) $searchon .= ' ';
+				if( $this->strictMatching && ($terms[1] == '') ) {
+					$terms[1] = '+';
+				}
+				$searchon .= $terms[1] . $wgContLang->stripForSearch( $terms[2] );
+				if( !empty( $terms[3] ) ) {
+					$regexp = preg_quote( $terms[3], '/' );
+					if( $terms[4] ) $regexp .= "[0-9A-Za-z_]+";
+				} else {
+					$regexp = preg_quote( str_replace( '"', '', $terms[2] ), '/' );
+				}
+				$this->searchTerms[] = $regexp;
+			}
+			wfDebug( "Would search with '$searchon'\n" );
+			wfDebug( "Match with /\b" . implode( '\b|\b', $this->searchTerms ) . "\b/\n" );
+		} else {
+			wfDebug( "Can't understand search query '{$filteredText}'\n" );
+		}
+
+		$searchon = $this->db->strencode( $searchon );
+		$field = $this->getIndexField( $fulltext );
+		return " MATCH($field) AGAINST('$searchon' IN BOOLEAN MODE) ";
+	}
+}
+?>
diff --git a/includes/SearchPostgres.php b/includes/SearchPostgres.php
new file mode 100644
index 00000000..8e36b0b5
--- /dev/null
+++ b/includes/SearchPostgres.php
@@ -0,0 +1,156 @@
+<?php
+# Copyright (C) 2006 Greg Sabino Mullane <greg@turnstep.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+## XXX Better catching of SELECT to_tsquery('the')
+
+/**
+ * Search engine hook base class for Postgres
+ * @package MediaWiki
+ * @subpackage Search
+ */
+
+/** @package MediaWiki */
+class SearchPostgres extends SearchEngine {
+
+	function SearchPostgres( &$db ) {
+		$this->db =& $db;
+	}
+
+	/**
+	 * Perform a full text search query via tsearch2 and return a result set.
+	 * Currently searches a page's current title (p.page_title) and text (t.old_text)
+	 *
+	 * @param string $term - Raw search term
+	 * @return PostgresSearchResultSet
+	 * @access public
+	 */
+	function searchText( $term ) {
+		$resultSet = $this->db->resultObject( $this->db->query( $this->searchQuery( $term, 'textvector' ) ) );
+		return new PostgresSearchResultSet( $resultSet, $this->searchTerms );
+	}
+	function searchTitle( $term ) {
+		$resultSet = $this->db->resultObject( $this->db->query( $this->searchQuery( $term , 'titlevector' ) ) );
+		return new PostgresSearchResultSet( $resultSet, $this->searchTerms );
+	}
+
+
+	/*
+	 * Transform the user's search string into a better form for tsearch2
+	*/
+	function parseQuery( $filteredText, $fulltext ) {
+		global $wgContLang;
+		$lc = SearchEngine::legalSearchChars();
+		$searchon = '';
+		$this->searchTerms = array();
+
+		# FIXME: This doesn't handle parenthetical expressions.
+		if( preg_match_all( '/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/',
+			  $filteredText, $m, PREG_SET_ORDER ) ) {
+			foreach( $m as $terms ) {
+				if( $searchon !== '' ) $searchon .= ' ';
+				if($terms[1] == '') {
+					$terms[1] = '+';
+				}
+				$searchon .= $terms[1] . $wgContLang->stripForSearch( $terms[2] );
+				if( !empty( $terms[3] ) ) {
+					$regexp = preg_quote( $terms[3], '/' );
+					if( $terms[4] ) $regexp .= "[0-9A-Za-z_]+";
+				} else {
+					$regexp = preg_quote( str_replace( '"', '', $terms[2] ), '/' );
+				}
+				$this->searchTerms[] = $regexp;
+			}
+			wfDebug( "Would search with '$searchon'\n" );
+			wfDebug( "Match with /\b" . implode( '\b|\b', $this->searchTerms ) . "\b/\n" );
+		} else {
+			wfDebug( "Can't understand search query '{$this->filteredText}'\n" );
+		}
+
+		$searchon = preg_replace('/(\s+)/','&',$searchon);
+		$searchon = $this->db->strencode( $searchon );
+		return $searchon;
+	}
+
+	/**
+	 * Construct the full SQL query to do the search.
+	 * @param string $filteredTerm
+	 * @param string $fulltext
+	 * @private
+	 */
+	function searchQuery( $filteredTerm, $fulltext ) {
+
+		$match = $this->parseQuery( $filteredTerm, $fulltext );
+
+		$query = "SELECT page_id, page_namespace, page_title, old_text AS page_text ".
+			"FROM page p, revision r, text t WHERE p.page_latest = r.rev_id " .
+			"AND r.rev_text_id = t.old_id AND $fulltext @@ to_tsquery('$match')";
+
+		## Redirects
+		if (! $this->showRedirects)
+			$query .= ' AND page_is_redirect = 0'; ## IS FALSE
+
+		## Namespaces - defaults to 0
+		if ( count($this->namespaces) < 1)
+			$query .= ' AND page_namespace = 0';
+		else {
+			$namespaces = implode( ',', $this->namespaces );
+			$query .=  " AND page_namespace IN ($namespaces)";
+		}
+
+		$query .= " ORDER BY rank($fulltext, to_tsquery('$fulltext')) DESC";
+
+		$query .= $this->db->limitResult( '', $this->limit, $this->offset );
+
+		return $query;
+	}
+
+	## These two functions are done automatically via triggers
+
+	function update( $id, $title, $text ) { return true; }
+    function updateTitle( $id, $title )   { return true; }
+
+} ## end of the SearchPostgres class
+
+
+/** @package MediaWiki */
+class PostgresSearchResultSet extends SearchResultSet {
+	function PostgresSearchResultSet( $resultSet, $terms ) {
+		$this->mResultSet = $resultSet;
+		$this->mTerms = $terms;
+	}
+
+	function termMatches() {
+		return $this->mTerms;
+	}
+
+	function numRows() {
+		return $this->mResultSet->numRows();
+	}
+
+	function next() {
+		$row = $this->mResultSet->fetchObject();
+		if( $row === false ) {
+			return false;
+		} else {
+			return new SearchResult( $row );
+		}
+	}
+}
+
+?>
diff --git a/includes/SearchTsearch2.php b/includes/SearchTsearch2.php
new file mode 100644
index 00000000..a8f354b3
--- /dev/null
+++ b/includes/SearchTsearch2.php
@@ -0,0 +1,123 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>, Domas Mituzas <domas.mituzas@gmail.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Search engine hook for PostgreSQL / Tsearch2
+ * @package MediaWiki
+ * @subpackage Search
+ */
+
+/**
+ * @todo document
+ * @package MediaWiki
+ * @subpackage Search
+ */
+class SearchTsearch2 extends SearchEngine {
+	var $strictMatching = false;
+
+	function SearchTsearch2( &$db ) {
+		$this->db =& $db;
+		$this->mRanking = true;
+	}
+
+	function getIndexField( $fulltext ) {
+		return $fulltext ? 'si_text' : 'si_title';
+	}
+
+	function parseQuery( $filteredText, $fulltext ) {
+		global $wgContLang;
+		$lc = SearchEngine::legalSearchChars();
+		$searchon = '';
+		$this->searchTerms = array();
+
+		# FIXME: This doesn't handle parenthetical expressions.
+		if( preg_match_all( '/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/',
+			  $filteredText, $m, PREG_SET_ORDER ) ) {
+			foreach( $m as $terms ) {
+				if( $searchon !== '' ) $searchon .= ' ';
+				if( $this->strictMatching && ($terms[1] == '') ) {
+					$terms[1] = '+';
+				}
+				$searchon .= $terms[1] . $wgContLang->stripForSearch( $terms[2] );
+				if( !empty( $terms[3] ) ) {
+					$regexp = preg_quote( $terms[3], '/' );
+					if( $terms[4] ) $regexp .= "[0-9A-Za-z_]+";
+				} else {
+					$regexp = preg_quote( str_replace( '"', '', $terms[2] ), '/' );
+				}
+				$this->searchTerms[] = $regexp;
+			}
+			wfDebug( "Would search with '$searchon'\n" );
+			wfDebug( "Match with /\b" . implode( '\b|\b', $this->searchTerms ) . "\b/\n" );
+		} else {
+			wfDebug( "Can't understand search query '{$this->filteredText}'\n" );
+		}
+
+		$searchon = preg_replace('/(\s+)/','&',$searchon);
+		$searchon = $this->db->strencode( $searchon );
+		return $searchon;
+	}
+
+	function queryRanking($filteredTerm, $fulltext) {
+		$field = $this->getIndexField( $fulltext );
+		$searchon = $this->parseQuery($filteredTerm,$fulltext);
+		if ($this->mRanking)
+			return " ORDER BY rank($field,to_tsquery('$searchon')) DESC";
+		else
+			return "";
+	}
+
+
+	function queryMain( $filteredTerm, $fulltext ) {
+		$match = $this->parseQuery( $filteredTerm, $fulltext );
+		$field = $this->getIndexField( $fulltext );
+		$cur = $this->db->tableName( 'cur' );
+		$searchindex = $this->db->tableName( 'searchindex' );
+		return 'SELECT cur_id, cur_namespace, cur_title, cur_text ' .
+			"FROM $cur,$searchindex " .
+			'WHERE cur_id=si_page AND ' .
+			" $field @@ to_tsquery ('$match') " ;
+	}
+
+	function update( $id, $title, $text ) {
+	        $dbw=& wfGetDB(DB_MASTER);
+		$searchindex = $dbw->tableName( 'searchindex' );
+		$sql = "DELETE FROM $searchindex WHERE si_page={$id}";
+		$dbw->query($sql,"SearchTsearch2:update");
+		$sql = "INSERT INTO $searchindex (si_page,si_title,si_text) ".
+			" VALUES ( $id, to_tsvector('".
+				$dbw->strencode($title).
+				"'),to_tsvector('".
+				$dbw->strencode( $text)."')) ";
+		$dbw->query($sql,"SearchTsearch2:update");
+	}
+
+	function updateTitle($id,$title) {
+	        $dbw=& wfGetDB(DB_MASTER);
+	        $searchindex = $dbw->tableName( 'searchindex' );
+	        $sql = "UPDATE $searchindex SET si_title=to_tsvector('" .
+	                  $db->strencode( $title ) .
+	                  "') WHERE si_page={$id}";
+
+	        $dbw->query( $sql, "SearchMySQL4::updateTitle" );
+	}
+
+}
+
+?>
diff --git a/includes/SearchUpdate.php b/includes/SearchUpdate.php
new file mode 100644
index 00000000..37981a67
--- /dev/null
+++ b/includes/SearchUpdate.php
@@ -0,0 +1,115 @@
+<?php
+/**
+ * See deferred.txt
+ * @package MediaWiki
+ */
+
+/**
+ *
+ * @package MediaWiki
+ */
+class SearchUpdate {
+
+	/* private */ var $mId = 0, $mNamespace, $mTitle, $mText;
+	/* private */ var $mTitleWords;
+
+	function SearchUpdate( $id, $title, $text = false ) {
+		$nt = Title::newFromText( $title );
+		if( $nt ) {
+			$this->mId = $id;
+			$this->mText = $text;
+
+			$this->mNamespace = $nt->getNamespace();
+			$this->mTitle = $nt->getText(); # Discard namespace
+
+			$this->mTitleWords = $this->mTextWords = array();
+		} else {
+			wfDebug( "SearchUpdate object created with invalid title '$title'\n" );
+		}
+	}
+
+	function doUpdate() {
+		global $wgContLang, $wgDisableSearchUpdate;
+
+		if( $wgDisableSearchUpdate || !$this->mId ) {
+			return false;
+		}
+		$fname = 'SearchUpdate::doUpdate';
+		wfProfileIn( $fname );
+
+		$search = SearchEngine::create();
+		$lc = $search->legalSearchChars() . '&#;';
+
+		if( $this->mText === false ) {
+			$search->updateTitle($this->mId,
+				Title::indexTitle( $this->mNamespace, $this->mTitle ));
+			wfProfileOut( $fname );
+			return;
+		}
+
+		# Language-specific strip/conversion
+		$text = $wgContLang->stripForSearch( $this->mText );
+
+		wfProfileIn( $fname.'-regexps' );
+		$text = preg_replace( "/<\\/?\\s*[A-Za-z][A-Za-z0-9]*\\s*([^>]*?)>/",
+		  ' ', strtolower( " " . $text /*$this->mText*/ . " " ) ); # Strip HTML markup
+		$text = preg_replace( "/(^|\\n)==\\s*([^\\n]+)\\s*==(\\s)/sD",
+		  "\\1\\2 \\2 \\2\\3", $text ); # Emphasize headings
+
+		# Strip external URLs
+		$uc = "A-Za-z0-9_\\/:.,~%\\-+&;#?!=()@\\xA0-\\xFF";
+		$protos = "http|https|ftp|mailto|news|gopher";
+		$pat = "/(^|[^\\[])({$protos}):[{$uc}]+([^{$uc}]|$)/";
+		$text = preg_replace( $pat, "\\1 \\3", $text );
+
+		$p1 = "/([^\\[])\\[({$protos}):[{$uc}]+]/";
+		$p2 = "/([^\\[])\\[({$protos}):[{$uc}]+\\s+([^\\]]+)]/";
+		$text = preg_replace( $p1, "\\1 ", $text );
+		$text = preg_replace( $p2, "\\1 \\3 ", $text );
+
+		# Internal image links
+		$pat2 = "/\\[\\[image:([{$uc}]+)\\.(gif|png|jpg|jpeg)([^{$uc}])/i";
+		$text = preg_replace( $pat2, " \\1 \\3", $text );
+
+		$text = preg_replace( "/([^{$lc}])([{$lc}]+)]]([a-z]+)/",
+		  "\\1\\2 \\2\\3", $text ); # Handle [[game]]s
+
+		# Strip all remaining non-search characters
+		$text = preg_replace( "/[^{$lc}]+/", " ", $text );
+
+		# Handle 's, s'
+		#
+		#   $text = preg_replace( "/([{$lc}]+)'s /", "\\1 \\1's ", $text );
+		#   $text = preg_replace( "/([{$lc}]+)s' /", "\\1s ", $text );
+		#
+		# These tail-anchored regexps are insanely slow. The worst case comes
+		# when Japanese or Chinese text (ie, no word spacing) is written on
+		# a wiki configured for Western UTF-8 mode. The Unicode characters are
+		# expanded to hex codes and the "words" are very long paragraph-length
+		# monstrosities. On a large page the above regexps may take over 20
+		# seconds *each* on a 1GHz-level processor.
+		#
+		# Following are reversed versions which are consistently fast
+		# (about 3 milliseconds on 1GHz-level processor).
+		#
+		$text = strrev( preg_replace( "/ s'([{$lc}]+)/", " s'\\1 \\1", strrev( $text ) ) );
+		$text = strrev( preg_replace( "/ 's([{$lc}]+)/", " s\\1", strrev( $text ) ) );
+
+		# Strip wiki '' and '''
+		$text = preg_replace( "/''[']*/", " ", $text );
+		wfProfileOut( "$fname-regexps" );
+		$search->update($this->mId, Title::indexTitle( $this->mNamespace, $this->mTitle ),
+				$text);
+		wfProfileOut( $fname );
+	}
+}
+
+/**
+ * Placeholder class
+ * @package MediaWiki
+ */
+class SearchUpdateMyISAM extends SearchUpdate {
+	# Inherits everything
+}
+
+?>
diff --git a/includes/Setup.php b/includes/Setup.php
new file mode 100644
index 00000000..1ef83cc7
--- /dev/null
+++ b/includes/Setup.php
@@ -0,0 +1,330 @@
+<?php
+/**
+ * Include most things that's need to customize the site
+ * @package MediaWiki
+ */
+
+/**
+ * This file is not a valid entry point, perform no further processing unless
+ * MEDIAWIKI is defined
+ */
+if( defined( 'MEDIAWIKI' ) ) {
+
+# The main wiki script and things like database
+# conversion and maintenance scripts all share a
+# common setup of including lots of classes and
+# setting up a few globals.
+#
+
+// Check to see if we are at the file scope
+if ( !isset( $wgVersion ) ) {
+	echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
+	die( 1 );
+}
+
+if( !isset( $wgProfiling ) )
+	$wgProfiling = false;
+
+require_once( "$IP/includes/AutoLoader.php" );
+
+if ( function_exists( 'wfProfileIn' ) ) {
+	/* nada, everything should be done already */
+} elseif ( $wgProfiling and (0 == rand() % $wgProfileSampleRate ) ) {
+	$wgProfiling = true;
+	if ($wgProfilerType == "") {
+		$wgProfiler = new Profiler();
+	} else {
+		$prclass="Profiler{$wgProfilerType}";
+		require_once( $prclass.".php" );
+		$wgProfiler = new $prclass();
+	}
+} else {
+	require_once( "$IP/includes/ProfilerStub.php" );
+}
+
+$fname = 'Setup.php';
+wfProfileIn( $fname );
+
+wfProfileIn( $fname.'-exception' );
+require_once( "$IP/includes/Exception.php" );
+wfInstallExceptionHandler();
+wfProfileOut( $fname.'-exception' );
+
+wfProfileIn( $fname.'-includes' );
+
+require_once( "$IP/includes/GlobalFunctions.php" );
+require_once( "$IP/includes/Hooks.php" );
+require_once( "$IP/includes/Namespace.php" );
+require_once( "$IP/includes/User.php" );
+require_once( "$IP/includes/OutputPage.php" );
+require_once( "$IP/includes/MagicWord.php" );
+require_once( "$IP/includes/MessageCache.php" );
+require_once( "$IP/includes/Parser.php" );
+require_once( "$IP/includes/LoadBalancer.php" );
+require_once( "$IP/includes/ProxyTools.php" );
+require_once( "$IP/includes/ObjectCache.php" );
+require_once( "$IP/includes/ImageFunctions.php" );
+
+if ( $wgUseDynamicDates ) {
+	require_once( "$IP/includes/DateFormatter.php" );
+}
+
+wfProfileOut( $fname.'-includes' );
+wfProfileIn( $fname.'-misc1' );
+
+$wgIP = false; # Load on demand
+$wgRequest = new WebRequest();
+if ( function_exists( 'posix_uname' ) ) {
+	$wguname = posix_uname();
+	$wgNodeName = $wguname['nodename'];
+} else {
+	$wgNodeName = '';
+}
+
+# Useful debug output
+if ( $wgCommandLineMode ) {
+	# wfDebug( '"' . implode( '"  "', $argv ) . '"' );
+} elseif ( function_exists( 'getallheaders' ) ) {
+	wfDebug( "\n\nStart request\n" );
+	wfDebug( $_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'] . "\n" );
+	$headers = getallheaders();
+	foreach ($headers as $name => $value) {
+		wfDebug( "$name: $value\n" );
+	}
+	wfDebug( "\n" );
+} elseif( isset( $_SERVER['REQUEST_URI'] ) ) {
+	wfDebug( $_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'] . "\n" );
+}
+
+if ( $wgSkipSkin ) {
+	$wgSkipSkins[] = $wgSkipSkin;
+}
+
+$wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
+
+wfProfileOut( $fname.'-misc1' );
+wfProfileIn( $fname.'-memcached' );
+
+$wgMemc =& wfGetMainCache();
+$messageMemc =& wfGetMessageCacheStorage();
+$parserMemc =& wfGetParserCacheStorage();
+
+wfDebug( 'Main cache: ' . get_class( $wgMemc ) .
+       "\nMessage cache: " . get_class( $messageMemc ) .
+	   "\nParser cache: " . get_class( $parserMemc ) . "\n" );
+
+wfProfileOut( $fname.'-memcached' );
+wfProfileIn( $fname.'-SetupSession' );
+
+if ( $wgDBprefix ) {
+	$wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
+} elseif ( $wgSharedDB ) {
+	$wgCookiePrefix = $wgSharedDB;
+} else {
+	$wgCookiePrefix = $wgDBname;
+}
+
+# If session.auto_start is there, we can't touch session name
+#
+if( !ini_get( 'session.auto_start' ) )
+	session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
+
+if( !$wgCommandLineMode && ( isset( $_COOKIE[session_name()] ) || isset( $_COOKIE[$wgCookiePrefix.'Token'] ) ) ) {
+	wfIncrStats( 'request_with_session' );
+	User::SetupSession();
+	$wgSessionStarted = true;
+} else {
+	wfIncrStats( 'request_without_session' );
+	$wgSessionStarted = false;
+}
+
+wfProfileOut( $fname.'-SetupSession' );
+wfProfileIn( $fname.'-database' );
+
+if ( !$wgDBservers ) {
+	$wgDBservers = array(array(
+		'host' => $wgDBserver,
+		'user' => $wgDBuser,
+		'password' => $wgDBpassword,
+		'dbname' => $wgDBname,
+		'type' => $wgDBtype,
+		'load' => 1,
+		'flags' => ($wgDebugDumpSql ? DBO_DEBUG : 0) | DBO_DEFAULT
+	));
+}
+$wgLoadBalancer = LoadBalancer::newFromParams( $wgDBservers, false, $wgMasterWaitTimeout );
+$wgLoadBalancer->loadMasterPos();
+
+wfProfileOut( $fname.'-database' );
+wfProfileIn( $fname.'-language1' );
+
+require_once( "$IP/languages/Language.php" );
+
+function setupLangObj($langclass) {
+	global $IP;
+
+	if( ! class_exists( $langclass ) ) {
+		# Default to English/UTF-8
+		$baseclass = 'LanguageUtf8';
+		require_once( "$IP/languages/$baseclass.php" );
+		$lc = strtolower(substr($langclass, 8));
+		$snip = "
+			class $langclass extends $baseclass {
+				function getVariants() {
+					return array(\"$lc\");
+				}
+
+			}";
+		eval($snip);
+	}
+
+	$lang = new $langclass();
+
+	return $lang;
+}
+
+# $wgLanguageCode may be changed later to fit with user preference.
+# The content language will remain fixed as per the configuration,
+# so let's keep it.
+$wgContLanguageCode = $wgLanguageCode;
+$wgContLangClass = 'Language' . str_replace( '-', '_', ucfirst( $wgContLanguageCode ) );
+
+$wgContLang = setupLangObj( $wgContLangClass );
+$wgContLang->initEncoding();
+
+wfProfileOut( $fname.'-language1' );
+wfProfileIn( $fname.'-User' );
+
+# Skin setup functions
+# Entries can be added to this variable during the inclusion
+# of the extension file. Skins can then perform any necessary initialisation.
+# 
+foreach ( $wgSkinExtensionFunctions as $func ) {
+	call_user_func( $func );
+}
+
+if( !is_object( $wgAuth ) ) {
+	require_once( 'AuthPlugin.php' );
+	$wgAuth = new AuthPlugin();
+}
+
+if( $wgCommandLineMode ) {
+	# Used for some maintenance scripts; user session cookies can screw things up
+	# when the database is in an in-between state.
+	$wgUser = new User();
+	# Prevent loading User settings from the DB.
+	$wgUser->setLoaded( true );
+} else {
+	$wgUser = null;
+	wfRunHooks('AutoAuthenticate',array(&$wgUser));
+	if ($wgUser === null) {
+		$wgUser = User::loadFromSession();
+	}
+}
+
+wfProfileOut( $fname.'-User' );
+wfProfileIn( $fname.'-language2' );
+
+// wgLanguageCode now specifically means the UI language
+$wgLanguageCode = $wgRequest->getText('uselang', '');
+if ($wgLanguageCode == '')
+	$wgLanguageCode = $wgUser->getOption('language');
+# Validate $wgLanguageCode, which will soon be sent to an eval()
+if( empty( $wgLanguageCode ) || !preg_match( '/^[a-z]+(-[a-z]+)?$/', $wgLanguageCode ) ) {
+	$wgLanguageCode = $wgContLanguageCode;
+}
+
+$wgLangClass = 'Language'. str_replace( '-', '_', ucfirst( $wgLanguageCode ) );
+
+if( $wgLangClass == $wgContLangClass ) {
+	$wgLang = &$wgContLang;
+} else {
+	wfSuppressWarnings();
+	// Preload base classes to work around APC/PHP5 bug
+	include_once("$IP/languages/$wgLangClass.deps.php");
+	include_once("$IP/languages/$wgLangClass.php");
+	wfRestoreWarnings();
+
+	$wgLang = setupLangObj( $wgLangClass );
+}
+
+wfProfileOut( $fname.'-language2' );
+wfProfileIn( $fname.'-MessageCache' );
+
+$wgMessageCache = new MessageCache( $parserMemc, $wgUseDatabaseMessages, $wgMsgCacheExpiry, $wgDBname);
+
+wfProfileOut( $fname.'-MessageCache' );
+
+#
+# I guess the warning about UI switching might still apply...
+#
+# FIXME: THE ABOVE MIGHT BREAK NAMESPACES, VARIABLES,
+# SEARCH INDEX UPDATES, AND MANY MANY THINGS.
+# DO NOT USE THIS MODE EXCEPT FOR TESTING RIGHT NOW.
+#
+# To disable it, the easiest thing could be to uncomment the
+# following; they should effectively disable the UI switch functionality
+#
+# $wgLangClass = $wgContLangClass;
+# $wgLanguageCode = $wgContLanguageCode;
+# $wgLang = $wgContLang;
+#
+# TODO: Need to change reference to $wgLang to $wgContLang at proper
+#       places, including namespaces, dates in signatures, magic words,
+#       and links
+#
+# TODO: Need to look at the issue of input/output encoding
+#
+
+
+wfProfileIn( $fname.'-OutputPage' );
+
+$wgOut = new OutputPage();
+
+wfProfileOut( $fname.'-OutputPage' );
+wfProfileIn( $fname.'-misc2' );
+
+$wgDeferredUpdateList = array();
+$wgPostCommitUpdateList = array();
+
+$wgMagicWords = array();
+
+if ( $wgUseXMLparser ) {
+	require_once( 'ParserXML.php' );
+	$wgParser = new ParserXML();
+} else {
+	$wgParser = new Parser();
+}
+$wgOut->setParserOptions( ParserOptions::newFromUser( $wgUser ) );
+$wgMsgParserOptions = ParserOptions::newFromUser($wgUser);
+wfSeedRandom();
+
+# Placeholders in case of DB error
+$wgTitle = Title::makeTitle( NS_SPECIAL, 'Error' );
+$wgArticle = new Article($wgTitle);
+
+wfProfileOut( $fname.'-misc2' );
+wfProfileIn( $fname.'-extensions' );
+
+# Extension setup functions for extensions other than skins
+# Entries should be added to this variable during the inclusion
+# of the extension file. This allows the extension to perform
+# any necessary initialisation in the fully initialised environment
+foreach ( $wgExtensionFunctions as $func ) {
+	call_user_func( $func );
+}
+
+// For compatibility
+wfRunHooks( 'LogPageValidTypes', array( &$wgLogTypes ) );
+wfRunHooks( 'LogPageLogName', array( &$wgLogNames ) );
+wfRunHooks( 'LogPageLogHeader', array( &$wgLogHeaders ) );
+wfRunHooks( 'LogPageActionText', array( &$wgLogActions ) );
+
+
+wfDebug( "\n" );
+$wgFullyInitialised = true;
+wfProfileOut( $fname.'-extensions' );
+wfProfileOut( $fname );
+
+}
+?>
diff --git a/includes/SiteConfiguration.php b/includes/SiteConfiguration.php
new file mode 100644
index 00000000..8fd5d6b6
--- /dev/null
+++ b/includes/SiteConfiguration.php
@@ -0,0 +1,121 @@
+<?php
+/**
+ * This is a class used to hold configuration settings, particularly for multi-wiki sites.
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * The include paths change after this file is included from commandLine.inc,
+ * meaning that require_once() fails to detect that it is including the same
+ * file again. We use DIY C-style protection as a workaround.
+ */
+if (!defined('SITE_CONFIGURATION')) {
+define('SITE_CONFIGURATION', 1);
+
+/** @package MediaWiki */
+class SiteConfiguration {
+	var $suffixes = array();
+	var $wikis = array();
+	var $settings = array();
+	var $localVHosts = array();
+
+	/** */
+	function get( $setting, $wiki, $suffix, $params = array() ) {
+		if ( array_key_exists( $setting, $this->settings ) ) {
+			if ( array_key_exists( $wiki, $this->settings[$setting] ) ) {
+				$retval = $this->settings[$setting][$wiki];
+			} elseif ( array_key_exists( $suffix, $this->settings[$setting] ) ) {
+				$retval = $this->settings[$setting][$suffix];
+			} elseif ( array_key_exists( 'default', $this->settings[$setting] ) ) {
+				$retval = $this->settings[$setting]['default'];
+			} else {
+				$retval = NULL;
+			}
+		} else {
+			$retval = NULL;
+		}
+
+		if ( !is_null( $retval ) && count( $params ) ) {
+			foreach ( $params as $key => $value ) {
+				$retval = str_replace( '$' . $key, $value, $retval );
+			}
+		}
+		return $retval;
+	}
+
+	/** */
+	function getAll( $wiki, $suffix, $params ) {
+		$localSettings = array();
+		foreach ( $this->settings as $varname => $stuff ) {
+			$value = $this->get( $varname, $wiki, $suffix, $params );
+			if ( !is_null( $value ) ) {
+				$localSettings[$varname] = $value;
+			}
+		}
+		return $localSettings;
+	}
+
+	/** */
+	function getBool( $setting, $wiki, $suffix ) {
+		return (bool)($this->get( $setting, $wiki, $suffix ));
+	}
+
+	/** */
+	function &getLocalDatabases() {
+		return $this->wikis;
+	}
+
+	/** */
+	function initialise() {
+	}
+
+	/** */
+	function extractVar( $setting, $wiki, $suffix, &$var, $params ) {
+		$value = $this->get( $setting, $wiki, $suffix, $params );
+		if ( !is_null( $value ) ) {
+			$var = $value;
+		}
+	}
+
+	/** */
+	function extractGlobal( $setting, $wiki, $suffix, $params ) {
+		$value = $this->get( $setting, $wiki, $suffix, $params );
+		if ( !is_null( $value ) ) {
+			$GLOBALS[$setting] = $value;
+		}
+	}
+
+	/** */
+	function extractAllGlobals( $wiki, $suffix, $params ) {
+		foreach ( $this->settings as $varName => $setting ) {
+			$this->extractGlobal( $varName, $wiki, $suffix, $params );
+		}
+	}
+
+	/**
+	 * Work out the site and language name from a database name
+	 * @param $db
+	 */
+	function siteFromDB( $db ) {
+		$site = NULL;
+		$lang = NULL;
+		foreach ( $this->suffixes as $suffix ) {
+			if ( substr( $db, -strlen( $suffix ) ) == $suffix ) {
+				$site = $suffix == 'wiki' ? 'wikipedia' : $suffix;
+				$lang = substr( $db, 0, strlen( $db ) - strlen( $suffix ) );
+				break;
+			}
+		}
+		$lang = str_replace( '_', '-', $lang );
+		return array( $site, $lang );
+	}
+
+	/** */
+	function isLocalVHost( $vhost ) {
+		return in_array( $vhost, $this->localVHosts );
+	}
+}
+}
+
+?>
diff --git a/includes/SiteStatsUpdate.php b/includes/SiteStatsUpdate.php
new file mode 100644
index 00000000..1b6d3804
--- /dev/null
+++ b/includes/SiteStatsUpdate.php
@@ -0,0 +1,82 @@
+<?php
+/**
+ * See deferred.txt
+ *
+ * @package MediaWiki
+ */
+
+/**
+ *
+ * @package MediaWiki
+ */
+class SiteStatsUpdate {
+
+	var $mViews, $mEdits, $mGood, $mPages, $mUsers;
+
+	function SiteStatsUpdate( $views, $edits, $good, $pages = 0, $users = 0 ) {
+		$this->mViews = $views;
+		$this->mEdits = $edits;
+		$this->mGood = $good;
+		$this->mPages = $pages;
+		$this->mUsers = $users;
+	}
+
+	function appendUpdate( &$sql, $field, $delta ) {
+		if ( $delta ) {
+			if ( $sql ) {
+				$sql .= ',';
+			}
+			if ( $delta < 0 ) {
+				$sql .= "$field=$field-1";
+			} else {
+				$sql .= "$field=$field+1";
+			}
+		}
+	}
+
+	function doUpdate() {
+		$fname = 'SiteStatsUpdate::doUpdate';
+		$dbw =& wfGetDB( DB_MASTER );
+
+		# First retrieve the row just to find out which schema we're in
+		$row = $dbw->selectRow( 'site_stats', '*', false, $fname );
+
+		$updates = '';
+
+		$this->appendUpdate( $updates, 'ss_total_views', $this->mViews );
+		$this->appendUpdate( $updates, 'ss_total_edits', $this->mEdits );
+		$this->appendUpdate( $updates, 'ss_good_articles', $this->mGood );
+
+		if ( isset( $row->ss_total_pages ) ) {
+			# Update schema if required
+			if ( $row->ss_total_pages == -1 && !$this->mViews ) {
+				$dbr =& wfGetDB( DB_SLAVE, array( 'SpecialStatistics', 'vslow') );
+				extract( $dbr->tableNames( 'page', 'user' ) );
+
+				$sql = "SELECT COUNT(page_namespace) AS total FROM $page";
+				$res = $dbr->query( $sql, $fname );
+				$pageRow = $dbr->fetchObject( $res );
+				$pages = $pageRow->total + $this->mPages;
+
+				$sql = "SELECT COUNT(user_id) AS total FROM $user";
+				$res = $dbr->query( $sql, $fname );
+				$userRow = $dbr->fetchObject( $res );
+				$users = $userRow->total + $this->mUsers;
+
+				if ( $updates ) {
+					$updates .= ',';
+				}
+				$updates .= "ss_total_pages=$pages, ss_users=$users";
+			} else {
+				$this->appendUpdate( $updates, 'ss_total_pages', $this->mPages );
+				$this->appendUpdate( $updates, 'ss_users', $this->mUsers );
+			}
+		}
+		if ( $updates ) {
+			$site_stats = $dbw->tableName( 'site_stats' );
+			$sql = $dbw->limitResultForUpdate("UPDATE $site_stats SET $updates", 1);
+			$dbw->query( $sql, $fname );
+		}
+	}
+}
+?>
diff --git a/includes/Skin.php b/includes/Skin.php
new file mode 100644
index 00000000..8a03f461
--- /dev/null
+++ b/includes/Skin.php
@@ -0,0 +1,1499 @@
+<?php
+if ( ! defined( 'MEDIAWIKI' ) )
+	die( 1 );
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage Skins
+ */
+
+# See skin.txt
+
+/**
+ * The main skin class that provide methods and properties for all other skins.
+ * This base class is also the "Standard" skin.
+ * @package MediaWiki
+ */
+class Skin extends Linker {
+	/**#@+
+	 * @private
+	 */
+	var $lastdate, $lastline;
+	var $rc_cache ; # Cache for Enhanced Recent Changes
+	var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
+	var $rcMoveIndex;
+	/**#@-*/
+
+	/** Constructor, call parent constructor */
+	function Skin() { parent::Linker(); }
+
+	/**
+	 * Fetch the set of available skins.
+	 * @return array of strings
+	 * @static
+	 */
+	function &getSkinNames() {
+		global $wgValidSkinNames;
+		static $skinsInitialised = false;
+		if ( !$skinsInitialised ) {
+			# Get a list of available skins
+			# Build using the regular expression '^(.*).php$'
+			# Array keys are all lower case, array value keep the case used by filename
+			#
+			wfProfileIn( __METHOD__ . '-init' );
+			global $wgStyleDirectory;
+			$skinDir = dir( $wgStyleDirectory );
+
+			# while code from www.php.net
+			while (false !== ($file = $skinDir->read())) {
+				// Skip non-PHP files, hidden files, and '.dep' includes
+				if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
+					$aSkin = $matches[1];
+					$wgValidSkinNames[strtolower($aSkin)] = $aSkin;
+				}
+			}
+			$skinDir->close();
+			$skinsInitialised = true;
+			wfProfileOut( __METHOD__ . '-init' );
+		}
+		return $wgValidSkinNames;
+	}
+
+	/**
+	 * Normalize a skin preference value to a form that can be loaded.
+	 * If a skin can't be found, it will fall back to the configured
+	 * default (or the old 'Classic' skin if that's broken).
+	 * @param string $key
+	 * @return string
+	 * @static
+	 */
+	function normalizeKey( $key ) {
+		global $wgDefaultSkin;
+		$skinNames = Skin::getSkinNames();
+
+		if( $key == '' ) {
+			// Don't return the default immediately;
+			// in a misconfiguration we need to fall back.
+			$key = $wgDefaultSkin;
+		}
+
+		if( isset( $skinNames[$key] ) ) {
+			return $key;
+		}
+
+		// Older versions of the software used a numeric setting
+		// in the user preferences.
+		$fallback = array(
+			0 => $wgDefaultSkin,
+			1 => 'nostalgia',
+			2 => 'cologneblue' );
+
+		if( isset( $fallback[$key] ) ){
+			$key = $fallback[$key];
+		}
+
+		if( isset( $skinNames[$key] ) ) {
+			return $key;
+		} else {
+			// The old built-in skin
+			return 'standard';
+		}
+	}
+
+	/**
+	 * Factory method for loading a skin of a given type
+	 * @param string $key 'monobook', 'standard', etc
+	 * @return Skin
+	 * @static
+	 */
+	function &newFromKey( $key ) {
+		global $wgStyleDirectory;
+		
+		$key = Skin::normalizeKey( $key );
+
+		$skinNames = Skin::getSkinNames();
+		$skinName = $skinNames[$key];
+
+		# Grab the skin class and initialise it.
+		wfSuppressWarnings();
+		// Preload base classes to work around APC/PHP5 bug
+		include_once( "{$wgStyleDirectory}/{$skinName}.deps.php" );
+		wfRestoreWarnings();
+		require_once( "{$wgStyleDirectory}/{$skinName}.php" );
+
+		# Check if we got if not failback to default skin
+		$className = 'Skin'.$skinName;
+		if( !class_exists( $className ) ) {
+			# DO NOT die if the class isn't found. This breaks maintenance
+			# scripts and can cause a user account to be unrecoverable
+			# except by SQL manipulation if a previously valid skin name
+			# is no longer valid.
+			wfDebug( "Skin class does not exist: $className\n" );
+			$className = 'SkinStandard';
+			require_once( "{$wgStyleDirectory}/Standard.php" );
+		}
+		$skin =& new $className;
+		return $skin;
+	}
+
+	/** @return string path to the skin stylesheet */
+	function getStylesheet() {
+		return 'common/wikistandard.css?1';
+	}
+
+	/** @return string skin name */
+	function getSkinName() {
+		return 'standard';
+	}
+
+	function qbSetting() {
+		global $wgOut, $wgUser;
+
+		if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
+		$q = $wgUser->getOption( 'quickbar' );
+		if ( '' == $q ) { $q = 0; }
+		return $q;
+	}
+
+	function initPage( &$out ) {
+		global $wgFavicon;
+
+		$fname = 'Skin::initPage';
+		wfProfileIn( $fname );
+
+		if( false !== $wgFavicon ) {
+			$out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
+		}
+
+		$this->addMetadataLinks($out);
+
+		$this->mRevisionId = $out->mRevisionId;
+		
+		$this->preloadExistence();
+
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Preload the existence of three commonly-requested pages in a single query
+	 */
+	function preloadExistence() {
+		global $wgUser, $wgTitle;
+
+		if ( $wgTitle->isTalkPage() ) {
+			$otherTab = $wgTitle->getSubjectPage();
+		} else {
+			$otherTab = $wgTitle->getTalkPage();
+		}
+		$lb = new LinkBatch( array( 
+			$wgUser->getUserPage(),
+			$wgUser->getTalkPage(),
+			$otherTab
+		));
+		$lb->execute();
+	}
+	
+	function addMetadataLinks( &$out ) {
+		global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
+		global $wgRightsPage, $wgRightsUrl;
+
+		if( $out->isArticleRelated() ) {
+			# note: buggy CC software only reads first "meta" link
+			if( $wgEnableCreativeCommonsRdf ) {
+				$out->addMetadataLink( array(
+					'title' => 'Creative Commons',
+					'type' => 'application/rdf+xml',
+					'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
+			}
+			if( $wgEnableDublinCoreRdf ) {
+				$out->addMetadataLink( array(
+					'title' => 'Dublin Core',
+					'type' => 'application/rdf+xml',
+					'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
+			}
+		}
+		$copyright = '';
+		if( $wgRightsPage ) {
+			$copy = Title::newFromText( $wgRightsPage );
+			if( $copy ) {
+				$copyright = $copy->getLocalURL();
+			}
+		}
+		if( !$copyright && $wgRightsUrl ) {
+			$copyright = $wgRightsUrl;
+		}
+		if( $copyright ) {
+			$out->addLink( array(
+				'rel' => 'copyright',
+				'href' => $copyright ) );
+		}
+	}
+
+	function outputPage( &$out ) {
+		global $wgDebugComments;
+
+		wfProfileIn( 'Skin::outputPage' );
+		$this->initPage( $out );
+
+		$out->out( $out->headElement() );
+
+		$out->out( "\n<body" );
+		$ops = $this->getBodyOptions();
+		foreach ( $ops as $name => $val ) {
+			$out->out( " $name='$val'" );
+		}
+		$out->out( ">\n" );
+		if ( $wgDebugComments ) {
+			$out->out( "<!-- Wiki debugging output:\n" .
+			  $out->mDebugtext . "-->\n" );
+		}
+
+		$out->out( $this->beforeContent() );
+
+		$out->out( $out->mBodytext . "\n" );
+
+		$out->out( $this->afterContent() );
+
+		$out->out( $out->reportTime() );
+
+		$out->out( "\n</body></html>" );
+	}
+
+	function getHeadScripts() {
+		global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType;
+		$r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
+		if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
+			$userpage = $wgUser->getUserPage();
+			$userjs = htmlspecialchars( $this->makeUrl(
+				$userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
+				'action=raw&ctype='.$wgJsMimeType));
+			$r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
+		}
+		return $r;
+	}
+
+	/**
+	 * To make it harder for someone to slip a user a fake
+	 * user-JavaScript or user-CSS preview, a random token
+	 * is associated with the login session. If it's not
+	 * passed back with the preview request, we won't render
+	 * the code.
+	 *
+	 * @param string $action
+	 * @return bool
+	 * @private
+	 */
+	function userCanPreview( $action ) {
+		global $wgTitle, $wgRequest, $wgUser;
+
+		if( $action != 'submit' )
+			return false;
+		if( !$wgRequest->wasPosted() )
+			return false;
+		if( !$wgTitle->userCanEditCssJsSubpage() )
+			return false;
+		return $wgUser->matchEditToken(
+			$wgRequest->getVal( 'wpEditToken' ) );
+	}
+
+	# get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
+	function getUserStylesheet() {
+		global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
+		$sheet = $this->getStylesheet();
+		$action = $wgRequest->getText('action');
+		$s = "@import \"$wgStylePath/$sheet\";\n";
+		if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
+
+		$query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
+		$s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
+			'@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
+
+		$s .= $this->doGetUserStyles();
+		return $s."\n";
+	}
+
+	/**
+	 * placeholder, returns generated js in monobook
+	 */
+	function getUserJs() { return; }
+
+	/**
+	 * Return html code that include User stylesheets
+	 */
+	function getUserStyles() {
+		$s = "<style type='text/css'>\n";
+		$s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
+		$s .= $this->getUserStylesheet();
+		$s .= "/*]]>*/ /* */\n";
+		$s .= "</style>\n";
+		return $s;
+	}
+
+	/**
+	 * Some styles that are set by user through the user settings interface.
+	 */
+	function doGetUserStyles() {
+		global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
+
+		$s = '';
+
+		if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
+			if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
+				$s .= $wgRequest->getText('wpTextbox1');
+			} else {
+				$userpage = $wgUser->getUserPage();
+				$s.= '@import "'.$this->makeUrl(
+					$userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
+					'action=raw&ctype=text/css').'";'."\n";
+			}
+		}
+
+		return $s . $this->reallyDoGetUserStyles();
+	}
+
+	function reallyDoGetUserStyles() {
+		global $wgUser;
+		$s = '';
+		if (($undopt = $wgUser->getOption("underline")) != 2) {
+			$underline = $undopt ? 'underline' : 'none';
+			$s .= "a { text-decoration: $underline; }\n";
+		}
+		if( $wgUser->getOption( 'highlightbroken' ) ) {
+			$s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
+		} else {
+			$s .= <<<END
+a.new, #quickbar a.new,
+a.stub, #quickbar a.stub {
+	color: inherit;
+	text-decoration: inherit;
+}
+a.new:after, #quickbar a.new:after {
+	content: "?";
+	color: #CC2200;
+	text-decoration: $underline;
+}
+a.stub:after, #quickbar a.stub:after {
+	content: "!";
+	color: #772233;
+	text-decoration: $underline;
+}
+END;
+		}
+		if( $wgUser->getOption( 'justify' ) ) {
+			$s .= "#article, #bodyContent { text-align: justify; }\n";
+		}
+		if( !$wgUser->getOption( 'showtoc' ) ) {
+			$s .= "#toc { display: none; }\n";
+		}
+		if( !$wgUser->getOption( 'editsection' ) ) {
+			$s .= ".editsection { display: none; }\n";
+		}
+		return $s;
+	}
+
+	function getBodyOptions() {
+		global $wgUser, $wgTitle, $wgOut, $wgRequest;
+
+		extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
+
+		if ( 0 != $wgTitle->getNamespace() ) {
+			$a = array( 'bgcolor' => '#ffffec' );
+		}
+		else $a = array( 'bgcolor' => '#FFFFFF' );
+		if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
+		  $wgTitle->userCanEdit() ) {
+			$t = wfMsg( 'editthispage' );
+			$s = $wgTitle->getFullURL( $this->editUrlOptions() );
+			$s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
+			$a += array ('ondblclick' => $s);
+
+		}
+		$a['onload'] = $wgOut->getOnloadHandler();
+		if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
+			if( $a['onload'] != '' ) {
+				$a['onload'] .= ';';
+			}
+			$a['onload'] .= 'setupRightClickEdit()';
+		}
+		return $a;
+	}
+
+	/**
+	 * URL to the logo
+	 */
+	function getLogo() {
+		global $wgLogo;
+		return $wgLogo;
+	}
+
+	/**
+	 * This will be called immediately after the <body> tag.  Split into
+	 * two functions to make it easier to subclass.
+	 */
+	function beforeContent() {
+		return $this->doBeforeContent();
+	}
+
+	function doBeforeContent() {
+		global $wgContLang;
+		$fname = 'Skin::doBeforeContent';
+		wfProfileIn( $fname );
+
+		$s = '';
+		$qb = $this->qbSetting();
+
+		if( $langlinks = $this->otherLanguages() ) {
+			$rows = 2;
+			$borderhack = '';
+		} else {
+			$rows = 1;
+			$langlinks = false;
+			$borderhack = 'class="top"';
+		}
+
+		$s .= "\n<div id='content'>\n<div id='topbar'>\n" .
+		  "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
+
+		$shove = ($qb != 0);
+		$left = ($qb == 1 || $qb == 3);
+		if($wgContLang->isRTL()) $left = !$left;
+
+		if ( !$shove ) {
+			$s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
+			  $this->logoText() . '</td>';
+		} elseif( $left ) {
+			$s .= $this->getQuickbarCompensator( $rows );
+		}
+		$l = $wgContLang->isRTL() ? 'right' : 'left';
+		$s .= "<td {$borderhack} align='$l' valign='top'>\n";
+
+		$s .= $this->topLinks() ;
+		$s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
+
+		$r = $wgContLang->isRTL() ? "left" : "right";
+		$s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
+		$s .= $this->nameAndLogin();
+		$s .= "\n<br />" . $this->searchForm() . "</td>";
+
+		if ( $langlinks ) {
+			$s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
+		}
+
+		if ( $shove && !$left ) { # Right
+			$s .= $this->getQuickbarCompensator( $rows );
+		}
+		$s .= "</tr>\n</table>\n</div>\n";
+		$s .= "\n<div id='article'>\n";
+
+		$notice = wfGetSiteNotice();
+		if( $notice ) {
+			$s .= "\n<div id='siteNotice'>$notice</div>\n";
+		}
+		$s .= $this->pageTitle();
+		$s .= $this->pageSubtitle() ;
+		$s .= $this->getCategories();
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+
+	function getCategoryLinks () {
+		global $wgOut, $wgTitle, $wgUseCategoryBrowser;
+		global $wgContLang;
+
+		if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
+
+		# Separator
+		$sep = wfMsgHtml( 'catseparator' );
+
+		// Use Unicode bidi embedding override characters,
+		// to make sure links don't smash each other up in ugly ways.
+		$dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
+		$embed = "<span dir='$dir'>";
+		$pop = '</span>';
+		$t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
+
+		$msg = wfMsgExt('categories', array('parsemag', 'escape'), count( $wgOut->mCategoryLinks ));
+		$s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
+			$msg, 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
+			. ': ' . $t;
+
+		# optional 'dmoz-like' category browser. Will be shown under the list
+		# of categories an article belong to
+		if($wgUseCategoryBrowser) {
+			$s .= '<br /><hr />';
+
+			# get a big array of the parents tree
+			$parenttree = $wgTitle->getParentCategoryTree();
+			# Skin object passed by reference cause it can not be
+			# accessed under the method subfunction drawCategoryBrowser
+			$tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
+			# Clean out bogus first entry and sort them
+			unset($tempout[0]);
+			asort($tempout);
+			# Output one per line
+			$s .= implode("<br />\n", $tempout);
+		}
+
+		return $s;
+	}
+
+	/** Render the array as a serie of links.
+	 * @param $tree Array: categories tree returned by Title::getParentCategoryTree
+	 * @param &skin Object: skin passed by reference
+	 * @return String separated by &gt;, terminate with "\n"
+	 */
+	function drawCategoryBrowser($tree, &$skin) {
+		$return = '';
+		foreach ($tree as $element => $parent) {
+			if (empty($parent)) {
+				# element start a new list
+				$return .= "\n";
+			} else {
+				# grab the others elements
+				$return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
+			}
+			# add our current element to the list
+			$eltitle = Title::NewFromText($element);
+			$return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
+		}
+		return $return;
+	}
+
+	function getCategories() {
+		$catlinks=$this->getCategoryLinks();
+		if(!empty($catlinks)) {
+			return "<p class='catlinks'>{$catlinks}</p>";
+		}
+	}
+
+	function getQuickbarCompensator( $rows = 1 ) {
+		return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
+	}
+
+	/**
+	 * This gets called immediately before the \</body\> tag.
+	 * @return String HTML to be put after \</body\> ???
+	 */
+	function afterContent() {
+		$printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
+		return $printfooter . $this->doAfterContent();
+	}
+
+	/** @return string Retrievied from HTML text */
+	function printSource() {
+		global $wgTitle;
+		$url = htmlspecialchars( $wgTitle->getFullURL() );
+		return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
+	}
+
+	function printFooter() {
+		return "<p>" .  $this->printSource() .
+			"</p>\n\n<p>" . $this->pageStats() . "</p>\n";
+	}
+
+	/** overloaded by derived classes */
+	function doAfterContent() { }
+
+	function pageTitleLinks() {
+		global $wgOut, $wgTitle, $wgUser, $wgRequest;
+
+		extract( $wgRequest->getValues( 'oldid', 'diff' ) );
+		$action = $wgRequest->getText( 'action' );
+
+		$s = $this->printableLink();
+		$disclaimer = $this->disclaimerLink(); # may be empty
+		if( $disclaimer ) {
+			$s .= ' | ' . $disclaimer;
+		}
+		$privacy = $this->privacyLink(); # may be empty too
+		if( $privacy ) {
+			$s .= ' | ' . $privacy;
+		}
+
+		if ( $wgOut->isArticleRelated() ) {
+			if ( $wgTitle->getNamespace() == NS_IMAGE ) {
+				$name = $wgTitle->getDBkey();
+				$image = new Image( $wgTitle );
+				if( $image->exists() ) {
+					$link = htmlspecialchars( $image->getURL() );
+					$style = $this->getInternalLinkAttributes( $link, $name );
+					$s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
+				}
+			}
+		}
+		if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
+			$s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
+					wfMsg( 'currentrev' ) );
+		}
+
+		if ( $wgUser->getNewtalk() ) {
+			# do not show "You have new messages" text when we are viewing our
+			# own talk page
+			if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
+				$tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
+				$dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
+				$s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
+				# disable caching
+				$wgOut->setSquidMaxage(0);
+				$wgOut->enableClientCache(false);
+			}
+		}
+
+		$undelete = $this->getUndeleteLink();
+		if( !empty( $undelete ) ) {
+			$s .= ' | '.$undelete;
+		}
+		return $s;
+	}
+
+	function getUndeleteLink() {
+		global $wgUser, $wgTitle, $wgContLang, $action;
+		if(	$wgUser->isAllowed( 'deletedhistory' ) &&
+			(($wgTitle->getArticleId() == 0) || ($action == "history")) &&
+			($n = $wgTitle->isDeleted() ) )
+		{
+			if ( $wgUser->isAllowed( 'delete' ) ) {
+				$msg = 'thisisdeleted';
+			} else {
+				$msg = 'viewdeleted';
+			}
+			return wfMsg( $msg,
+				$this->makeKnownLink(
+					$wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
+					wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
+		}
+		return '';
+	}
+
+	function printableLink() {
+		global $wgOut, $wgFeedClasses, $wgRequest;
+
+		$baseurl = $_SERVER['REQUEST_URI'];
+		if( strpos( '?', $baseurl ) == false ) {
+			$baseurl .= '?';
+		} else {
+			$baseurl .= '&';
+		}
+		$baseurl = htmlspecialchars( $baseurl );
+		$printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
+
+		$s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
+		if( $wgOut->isSyndicated() ) {
+			foreach( $wgFeedClasses as $format => $class ) {
+				$feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
+				$s .= " | <a href=\"$feedurl\">{$format}</a>";
+			}
+		}
+		return $s;
+	}
+
+	function pageTitle() {
+		global $wgOut;
+		$s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
+		return $s;
+	}
+
+	function pageSubtitle() {
+		global $wgOut;
+
+		$sub = $wgOut->getSubtitle();
+		if ( '' == $sub ) {
+			global $wgExtraSubtitle;
+			$sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
+		}
+		$subpages = $this->subPageSubtitle();
+		$sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
+		$s = "<p class='subtitle'>{$sub}</p>\n";
+		return $s;
+	}
+
+	function subPageSubtitle() {
+		global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
+		$subpages = '';
+		if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
+			$ptext=$wgTitle->getPrefixedText();
+			if(preg_match('/\//',$ptext)) {
+				$links = explode('/',$ptext);
+				$c = 0;
+				$growinglink = '';
+				foreach($links as $link) {
+					$c++;
+					if ($c<count($links)) {
+						$growinglink .= $link;
+						$getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
+						if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
+						if ($c>1) {
+							$subpages .= ' | ';
+						} else  {
+							$subpages .= '&lt; ';
+						}
+						$subpages .= $getlink;
+						$growinglink .= '/';
+					}
+				}
+			}
+		}
+		return $subpages;
+	}
+
+	function nameAndLogin() {
+		global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
+
+		$li = $wgContLang->specialPage( 'Userlogin' );
+		$lo = $wgContLang->specialPage( 'Userlogout' );
+
+		$s = '';
+		if ( $wgUser->isAnon() ) {
+			if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
+				$n = wfGetIP();
+
+				$tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
+				  $wgLang->getNsText( NS_TALK ) );
+
+				$s .= $n . ' ('.$tl.')';
+			} else {
+				$s .= wfMsg('notloggedin');
+			}
+
+			$rt = $wgTitle->getPrefixedURL();
+			if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
+				$q = '';
+			} else { $q = "returnto={$rt}"; }
+
+			$s .= "\n<br />" . $this->makeKnownLinkObj(
+				Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
+				wfMsg( 'login' ), $q );
+		} else {
+			$n = $wgUser->getName();
+			$rt = $wgTitle->getPrefixedURL();
+			$tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
+			  $wgLang->getNsText( NS_TALK ) );
+
+			$tl = " ({$tl})";
+
+			$s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
+			  $n ) . "{$tl}<br />" .
+			  $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
+			  "returnto={$rt}" ) . ' | ' .
+			  $this->specialLink( 'preferences' );
+		}
+		$s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
+		  wfMsg( 'help' ) );
+
+		return $s;
+	}
+
+	function getSearchLink() {
+		$searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
+		return $searchPage->getLocalURL();
+	}
+
+	function escapeSearchLink() {
+		return htmlspecialchars( $this->getSearchLink() );
+	}
+
+	function searchForm() {
+		global $wgRequest;
+		$search = $wgRequest->getText( 'search' );
+
+		$s = '<form name="search" class="inline" method="post" action="'
+		  . $this->escapeSearchLink() . "\">\n"
+		  . '<input type="text" name="search" size="19" value="'
+		  . htmlspecialchars(substr($search,0,256)) . "\" />\n"
+		  . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
+		  . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
+
+		return $s;
+	}
+
+	function topLinks() {
+		global $wgOut;
+		$sep = " |\n";
+
+		$s = $this->mainPageLink() . $sep
+		  . $this->specialLink( 'recentchanges' );
+
+		if ( $wgOut->isArticleRelated() ) {
+			$s .=  $sep . $this->editThisPage()
+			  . $sep . $this->historyLink();
+		}
+		# Many people don't like this dropdown box
+		#$s .= $sep . $this->specialPagesList();
+
+		/* show links to different language variants */
+		global $wgDisableLangConversion, $wgContLang, $wgTitle;
+		$variants = $wgContLang->getVariants();
+		if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
+			foreach( $variants as $code ) {
+				$varname = $wgContLang->getVariantname( $code );
+				if( $varname == 'disable' )
+					continue;
+				$s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
+			}
+		}
+
+		return $s;
+	}
+
+	function bottomLinks() {
+		global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
+		$sep = " |\n";
+
+		$s = '';
+		if ( $wgOut->isArticleRelated() ) {
+			$s .= '<strong>' . $this->editThisPage() . '</strong>';
+			if ( $wgUser->isLoggedIn() ) {
+				$s .= $sep . $this->watchThisPage();
+			}
+			$s .= $sep . $this->talkLink()
+			  . $sep . $this->historyLink()
+			  . $sep . $this->whatLinksHere()
+			  . $sep . $this->watchPageLinksLink();
+
+			if ($wgUseTrackbacks)
+				$s .= $sep . $this->trackbackLink();
+
+			if ( $wgTitle->getNamespace() == NS_USER
+			    || $wgTitle->getNamespace() == NS_USER_TALK )
+
+			{
+				$id=User::idFromName($wgTitle->getText());
+				$ip=User::isIP($wgTitle->getText());
+
+				if($id || $ip) { # both anons and non-anons have contri list
+					$s .= $sep . $this->userContribsLink();
+				}
+				if( $this->showEmailUser( $id ) ) {
+					$s .= $sep . $this->emailUserLink();
+				}
+			}
+			if ( $wgTitle->getArticleId() ) {
+				$s .= "\n<br />";
+				if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
+				if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
+				if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
+			}
+			$s .= "<br />\n" . $this->otherLanguages();
+		}
+		return $s;
+	}
+
+	function pageStats() {
+		global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
+		global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
+
+		extract( $wgRequest->getValues( 'oldid', 'diff' ) );
+		if ( ! $wgOut->isArticle() ) { return ''; }
+		if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
+		if ( 0 == $wgArticle->getID() ) { return ''; }
+
+		$s = '';
+		if ( !$wgDisableCounters ) {
+			$count = $wgLang->formatNum( $wgArticle->getCount() );
+			if ( $count ) {
+				$s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
+			}
+		}
+
+	        if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
+		    require_once('Credits.php');
+		    $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
+		} else {
+		    $s .= $this->lastModified();
+		}
+
+		if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
+			$dbr =& wfGetDB( DB_SLAVE );
+			extract( $dbr->tableNames( 'watchlist' ) );
+			$sql = "SELECT COUNT(*) AS n FROM $watchlist
+				WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
+				"' AND  wl_namespace=" . $wgTitle->getNamespace() ;
+			$res = $dbr->query( $sql, 'Skin::pageStats');
+			$x = $dbr->fetchObject( $res );
+			$s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
+		}
+
+		return $s . ' ' .  $this->getCopyright();
+	}
+
+	function getCopyright( $type = 'detect' ) {
+		global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
+
+		if ( $type == 'detect' ) {
+			$oldid = $wgRequest->getVal( 'oldid' );
+			$diff = $wgRequest->getVal( 'diff' );
+
+			if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
+				$type = 'history';
+			} else {
+				$type = 'normal';
+			}
+		}
+
+		if ( $type == 'history' ) {
+			$msg = 'history_copyright';
+		} else {
+			$msg = 'copyright';
+		}
+
+		$out = '';
+		if( $wgRightsPage ) {
+			$link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
+		} elseif( $wgRightsUrl ) {
+			$link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
+		} else {
+			# Give up now
+			return $out;
+		}
+		$out .= wfMsgForContent( $msg, $link );
+		return $out;
+	}
+
+	function getCopyrightIcon() {
+		global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
+		$out = '';
+		if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
+			$out = $wgCopyrightIcon;
+		} else if ( $wgRightsIcon ) {
+			$icon = htmlspecialchars( $wgRightsIcon );
+			if ( $wgRightsUrl ) {
+				$url = htmlspecialchars( $wgRightsUrl );
+				$out .= '<a href="'.$url.'">';
+			}
+			$text = htmlspecialchars( $wgRightsText );
+			$out .= "<img src=\"$icon\" alt='$text' />";
+			if ( $wgRightsUrl ) {
+				$out .= '</a>';
+			}
+		}
+		return $out;
+	}
+
+	function getPoweredBy() {
+		global $wgStylePath;
+		$url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
+		$img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
+		return $img;
+	}
+
+	function lastModified() {
+		global $wgLang, $wgArticle, $wgLoadBalancer;
+
+		$timestamp = $wgArticle->getTimestamp();
+		if ( $timestamp ) {
+			$d = $wgLang->timeanddate( $timestamp, true );
+			$s = ' ' . wfMsg( 'lastmodified', $d );
+		} else {
+			$s = '';
+		}
+		if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
+			$s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
+		}
+		return $s;
+	}
+
+	function logoText( $align = '' ) {
+		if ( '' != $align ) { $a = " align='{$align}'"; }
+		else { $a = ''; }
+
+		$mp = wfMsg( 'mainpage' );
+		$titleObj = Title::newFromText( $mp );
+		if ( is_object( $titleObj ) ) {
+			$url = $titleObj->escapeLocalURL();
+		} else {
+			$url = '';
+		}
+
+		$logourl = $this->getLogo();
+		$s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
+		return $s;
+	}
+
+	/**
+	 * show a drop-down box of special pages
+	 * @TODO crash bug913. Need to be rewrote completly.
+	 */
+	function specialPagesList() {
+		global $wgUser, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
+		require_once('SpecialPage.php');
+		$a = array();
+		$pages = SpecialPage::getPages();
+
+		// special pages without access restriction
+		foreach ( $pages[''] as $name => $page ) {
+			$a[$name] = $page->getDescription();
+		}
+
+		// Other special pages that are restricted.
+		// Copied from SpecialSpecialpages.php
+		foreach($wgAvailableRights as $right) {
+			if( $wgUser->isAllowed($right) ) {
+				/** Add all pages for this right */
+				if(isset($pages[$right])) {
+					foreach($pages[$right] as $name => $page) {
+					$a[$name] = $page->getDescription();
+					}
+				}
+			}
+		}
+
+		$go = wfMsg( 'go' );
+		$sp = wfMsg( 'specialpages' );
+		$spp = $wgContLang->specialPage( 'Specialpages' );
+
+		$s = '<form id="specialpages" method="get" class="inline" ' .
+		  'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
+		$s .= "<select name=\"wpDropdown\">\n";
+		$s .= "<option value=\"{$spp}\">{$sp}</option>\n";
+
+
+		foreach ( $a as $name => $desc ) {
+			$p = $wgContLang->specialPage( $name );
+			$s .= "<option value=\"{$p}\">{$desc}</option>\n";
+		}
+		$s .= "</select>\n";
+		$s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
+		$s .= "</form>\n";
+		return $s;
+	}
+
+	function mainPageLink() {
+		$mp = wfMsgForContent( 'mainpage' );
+		$mptxt = wfMsg( 'mainpage');
+		$s = $this->makeKnownLink( $mp, $mptxt );
+		return $s;
+	}
+
+	function copyrightLink() {
+		$s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
+		  wfMsg( 'copyrightpagename' ) );
+		return $s;
+	}
+
+	function privacyLink() {
+		$privacy = wfMsg( 'privacy' );
+		if ($privacy == '-') {
+			return '';
+		} else {
+			return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
+		}
+	}
+
+	function aboutLink() {
+		$s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
+		  wfMsg( 'aboutsite' ) );
+		return $s;
+	}
+
+	function disclaimerLink() {
+		$disclaimers = wfMsg( 'disclaimers' );
+		if ($disclaimers == '-') {
+			return '';
+		} else {
+			return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
+			                             $disclaimers );
+		}
+	}
+
+	function editThisPage() {
+		global $wgOut, $wgTitle;
+
+		if ( ! $wgOut->isArticleRelated() ) {
+			$s = wfMsg( 'protectedpage' );
+		} else {
+			if ( $wgTitle->userCanEdit() ) {
+				$t = wfMsg( 'editthispage' );
+			} else {
+				$t = wfMsg( 'viewsource' );
+			}
+
+			$s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
+		}
+		return $s;
+	}
+
+	/**
+	 * Return URL options for the 'edit page' link.
+	 * This may include an 'oldid' specifier, if the current page view is such.
+	 *
+	 * @return string
+	 * @private
+	 */
+	function editUrlOptions() {
+		global $wgArticle;
+
+		if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
+			return "action=edit&oldid=" . intval( $this->mRevisionId );
+		} else {
+			return "action=edit";
+		}
+	}
+
+	function deleteThisPage() {
+		global $wgUser, $wgTitle, $wgRequest;
+
+		$diff = $wgRequest->getVal( 'diff' );
+		if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
+			$t = wfMsg( 'deletethispage' );
+
+			$s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
+		} else {
+			$s = '';
+		}
+		return $s;
+	}
+
+	function protectThisPage() {
+		global $wgUser, $wgTitle, $wgRequest;
+
+		$diff = $wgRequest->getVal( 'diff' );
+		if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
+			if ( $wgTitle->isProtected() ) {
+				$t = wfMsg( 'unprotectthispage' );
+				$q = 'action=unprotect';
+			} else {
+				$t = wfMsg( 'protectthispage' );
+				$q = 'action=protect';
+			}
+			$s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
+		} else {
+			$s = '';
+		}
+		return $s;
+	}
+
+	function watchThisPage() {
+		global $wgOut, $wgTitle;
+
+		if ( $wgOut->isArticleRelated() ) {
+			if ( $wgTitle->userIsWatching() ) {
+				$t = wfMsg( 'unwatchthispage' );
+				$q = 'action=unwatch';
+			} else {
+				$t = wfMsg( 'watchthispage' );
+				$q = 'action=watch';
+			}
+			$s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
+		} else {
+			$s = wfMsg( 'notanarticle' );
+		}
+		return $s;
+	}
+
+	function moveThisPage() {
+		global $wgTitle;
+
+		if ( $wgTitle->userCanMove() ) {
+			return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
+			  wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
+		} else {
+			// no message if page is protected - would be redundant
+			return '';
+		}
+	}
+
+	function historyLink() {
+		global $wgTitle;
+
+		return $this->makeKnownLinkObj( $wgTitle,
+		  wfMsg( 'history' ), 'action=history' );
+	}
+
+	function whatLinksHere() {
+		global $wgTitle;
+
+		return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
+		  wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
+	}
+
+	function userContribsLink() {
+		global $wgTitle;
+
+		return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
+		  wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
+	}
+
+	function showEmailUser( $id ) {
+		global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
+		return $wgEnableEmail &&
+		       $wgEnableUserEmail &&
+		       $wgUser->isLoggedIn() && # show only to signed in users
+		       0 != $id; # we can only email to non-anons ..
+#		       '' != $id->getEmail() && # who must have an email address stored ..
+#		       0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
+#		       1 != $wgUser->getOption('disablemail'); # and not disabled
+	}
+
+	function emailUserLink() {
+		global $wgTitle;
+
+		return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
+		  wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
+	}
+
+	function watchPageLinksLink() {
+		global $wgOut, $wgTitle;
+
+		if ( ! $wgOut->isArticleRelated() ) {
+			return '(' . wfMsg( 'notanarticle' ) . ')';
+		} else {
+			return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
+			  'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
+			  'target=' . $wgTitle->getPrefixedURL() );
+		}
+	}
+
+	function trackbackLink() {
+		global $wgTitle;
+
+		return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
+			. wfMsg('trackbacklink') . "</a>";
+	}
+
+	function otherLanguages() {
+		global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
+
+		if ( $wgHideInterlanguageLinks ) {
+			return '';
+		}
+
+		$a = $wgOut->getLanguageLinks();
+		if ( 0 == count( $a ) ) {
+			return '';
+		}
+
+		$s = wfMsg( 'otherlanguages' ) . ': ';
+		$first = true;
+		if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
+		foreach( $a as $l ) {
+			if ( ! $first ) { $s .= ' | '; }
+			$first = false;
+
+			$nt = Title::newFromText( $l );
+			$url = $nt->escapeFullURL();
+			$text = $wgContLang->getLanguageName( $nt->getInterwiki() );
+
+			if ( '' == $text ) { $text = $l; }
+			$style = $this->getExternalLinkAttributes( $l, $text );
+			$s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
+		}
+		if($wgContLang->isRTL()) $s .= '</span>';
+		return $s;
+	}
+
+	function bugReportsLink() {
+		$s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
+		  wfMsg( 'bugreports' ) );
+		return $s;
+	}
+
+	function dateLink() {
+		$t1 = Title::newFromText( gmdate( 'F j' ) );
+		$t2 = Title::newFromText( gmdate( 'Y' ) );
+
+		$id = $t1->getArticleID();
+
+		if ( 0 == $id ) {
+			$s = $this->makeBrokenLink( $t1->getText() );
+		} else {
+			$s = $this->makeKnownLink( $t1->getText() );
+		}
+		$s .= ', ';
+
+		$id = $t2->getArticleID();
+
+		if ( 0 == $id ) {
+			$s .= $this->makeBrokenLink( $t2->getText() );
+		} else {
+			$s .= $this->makeKnownLink( $t2->getText() );
+		}
+		return $s;
+	}
+
+	function talkLink() {
+		global $wgTitle;
+
+		if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
+			# No discussion links for special pages
+			return '';
+		}
+
+		if( $wgTitle->isTalkPage() ) {
+			$link = $wgTitle->getSubjectPage();
+			switch( $link->getNamespace() ) {
+			case NS_MAIN:
+				$text = wfMsg('articlepage');
+				break;
+			case NS_USER:
+				$text = wfMsg('userpage');
+				break;
+			case NS_PROJECT:
+				$text = wfMsg('projectpage');
+				break;
+			case NS_IMAGE:
+				$text = wfMsg('imagepage');
+				break;
+			default:
+				$text= wfMsg('articlepage');
+			}
+		} else {
+			$link = $wgTitle->getTalkPage();
+			$text = wfMsg( 'talkpage' );
+		}
+
+		$s = $this->makeLinkObj( $link, $text );
+
+		return $s;
+	}
+
+	function commentLink() {
+		global $wgTitle, $wgOut;
+
+		if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
+			return '';
+		}
+		
+		# __NEWSECTIONLINK___ changes behaviour here
+		# If it's present, the link points to this page, otherwise
+		# it points to the talk page
+		if( $wgTitle->isTalkPage() ) {
+			$title =& $wgTitle;
+		} elseif( $wgOut->showNewSectionLink() ) {
+			$title =& $wgTitle;
+		} else {
+			$title =& $wgTitle->getTalkPage();
+		}
+		
+		return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
+	}
+
+	/* these are used extensively in SkinTemplate, but also some other places */
+	/*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
+		$title = Title::makeTitle( NS_SPECIAL, $name );
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
+		$title = Title::newFromText( wfMsgForContent($name) );
+		$this->checkTitle($title, $name);
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/*static*/ function makeUrl ( $name, $urlaction='' ) {
+		$title = Title::newFromText( $name );
+		$this->checkTitle($title, $name);
+		return $title->getLocalURL( $urlaction );
+	}
+
+	# If url string starts with http, consider as external URL, else
+	# internal
+	/*static*/ function makeInternalOrExternalUrl( $name ) {
+		if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
+			return $name;
+		} else {
+			return $this->makeUrl( $name );
+		}
+	}
+
+	# this can be passed the NS number as defined in Language.php
+	/*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
+		$title = Title::makeTitleSafe( $namespace, $name );
+		$this->checkTitle($title, $name);
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/* these return an array with the 'href' and boolean 'exists' */
+	/*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
+		$title = Title::newFromText( $name );
+		$this->checkTitle($title, $name);
+		return array(
+			'href' => $title->getLocalURL( $urlaction ),
+			'exists' => $title->getArticleID() != 0?true:false
+		);
+	}
+
+	/**
+	 * Make URL details where the article exists (or at least it's convenient to think so)
+	 */
+	function makeKnownUrlDetails( $name, $urlaction='' ) {
+		$title = Title::newFromText( $name );
+		$this->checkTitle($title, $name);
+		return array(
+			'href' => $title->getLocalURL( $urlaction ),
+			'exists' => true
+		);
+	}
+
+	# make sure we have some title to operate on
+	/*static*/ function checkTitle ( &$title, &$name ) {
+		if(!is_object($title)) {
+			$title = Title::newFromText( $name );
+			if(!is_object($title)) {
+				$title = Title::newFromText( '--error: link target missing--' );
+			}
+		}
+	}
+
+	/**
+	 * Build an array that represents the sidebar(s), the navigation bar among them
+	 *
+	 * @return array
+	 * @private
+	 */
+	function buildSidebar() {
+		global $wgDBname, $parserMemc, $wgEnableSidebarCache;
+		global $wgLanguageCode, $wgContLanguageCode;
+
+		$fname = 'SkinTemplate::buildSidebar';
+
+		wfProfileIn( $fname );
+
+		$key = "{$wgDBname}:sidebar";
+		$cacheSidebar = $wgEnableSidebarCache &&
+			($wgLanguageCode == $wgContLanguageCode);
+		
+		if ($cacheSidebar) {
+			$cachedsidebar = $parserMemc->get( $key );
+			if ($cachedsidebar!="") {
+				wfProfileOut($fname);
+				return $cachedsidebar;
+			}
+		}
+
+		$bar = array();
+		$lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
+		foreach ($lines as $line) {
+			if (strpos($line, '*') !== 0)
+				continue;
+			if (strpos($line, '**') !== 0) {
+				$line = trim($line, '* ');
+				$heading = $line;
+			} else {
+				if (strpos($line, '|') !== false) { // sanity check
+					$line = explode( '|' , trim($line, '* '), 2 );
+					$link = wfMsgForContent( $line[0] );
+					if ($link == '-')
+						continue;
+					if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
+						$text = $line[1];
+					if (wfEmptyMsg($line[0], $link))
+						$link = $line[0];
+					$href = $this->makeInternalOrExternalUrl( $link );
+					$bar[$heading][] = array(
+						'text' => $text,
+						'href' => $href,
+						'id' => 'n-' . strtr($line[1], ' ', '-'),
+						'active' => false
+					);
+				} else { continue; }
+			}
+		}
+		if ($cacheSidebar)
+			$cachednotice = $parserMemc->set( $key, $bar, 86400 );
+		wfProfileOut( $fname );
+		return $bar;
+	}
+}
+?>
diff --git a/includes/SkinTemplate.php b/includes/SkinTemplate.php
new file mode 100644
index 00000000..6657d381
--- /dev/null
+++ b/includes/SkinTemplate.php
@@ -0,0 +1,1109 @@
+<?php
+if ( ! defined( 'MEDIAWIKI' ) )
+	die( 1 );
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Template-filler skin base class
+ * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
+ * Based on Brion's smarty skin
+ * Copyright (C) Gabriel Wicke -- http://www.aulinx.de/
+ *
+ * Todo: Needs some serious refactoring into functions that correspond
+ * to the computations individual esi snippets need. Most importantly no body
+ * parsing for most of those of course.
+ *
+ * @package MediaWiki
+ * @subpackage Skins
+ */
+
+require_once 'GlobalFunctions.php';
+
+/**
+ * Wrapper object for MediaWiki's localization functions,
+ * to be passed to the template engine.
+ *
+ * @private
+ * @package MediaWiki
+ */
+class MediaWiki_I18N {
+	var $_context = array();
+
+	function set($varName, $value) {
+		$this->_context[$varName] = $value;
+	}
+
+	function translate($value) {
+		$fname = 'SkinTemplate-translate';
+		wfProfileIn( $fname );
+
+		// Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
+		$value = preg_replace( '/^string:/', '', $value );
+
+		$value = wfMsg( $value );
+		// interpolate variables
+		while (preg_match('/\$([0-9]*?)/sm', $value, $m)) {
+			list($src, $var) = $m;
+			wfSuppressWarnings();
+			$varValue = $this->_context[$var];
+			wfRestoreWarnings();
+			$value = str_replace($src, $varValue, $value);
+		}
+		wfProfileOut( $fname );
+		return $value;
+	}
+}
+
+/**
+ *
+ * @package MediaWiki
+ */
+class SkinTemplate extends Skin {
+	/**#@+
+	 * @private
+	 */
+
+	/**
+	 * Name of our skin, set in initPage()
+	 * It probably need to be all lower case.
+	 */
+	var $skinname;
+
+	/**
+	 * Stylesheets set to use
+	 * Sub directory in ./skins/ where various stylesheets are located
+	 */
+	var $stylename;
+
+	/**
+	 * For QuickTemplate, the name of the subclass which
+	 * will actually fill the template.
+	 */
+	var $template;
+
+	/**#@-*/
+
+	/**
+	 * Setup the base parameters...
+	 * Child classes should override this to set the name,
+	 * style subdirectory, and template filler callback.
+	 *
+	 * @param OutputPage $out
+	 */
+	function initPage( &$out ) {
+		parent::initPage( $out );
+		$this->skinname  = 'monobook';
+		$this->stylename = 'monobook';
+		$this->template  = 'QuickTemplate';
+	}
+
+	/**
+	 * Create the template engine object; we feed it a bunch of data
+	 * and eventually it spits out some HTML. Should have interface
+	 * roughly equivalent to PHPTAL 0.7.
+	 *
+	 * @param string $callback (or file)
+	 * @param string $repository subdirectory where we keep template files
+	 * @param string $cache_dir
+	 * @return object
+	 * @private
+	 */
+	function setupTemplate( $classname, $repository=false, $cache_dir=false ) {
+		return new $classname();
+	}
+
+	/**
+	 * initialize various variables and generate the template
+	 *
+	 * @param OutputPage $out
+	 * @public
+	 */
+	function outputPage( &$out ) {
+		global $wgTitle, $wgArticle, $wgUser, $wgLang, $wgContLang, $wgOut;
+		global $wgScript, $wgStylePath, $wgContLanguageCode;
+		global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
+		global $wgDisableCounters, $wgLogo, $action, $wgFeedClasses, $wgHideInterlanguageLinks;
+		global $wgMaxCredits, $wgShowCreditsIfMax;
+		global $wgPageShowWatchingUsers;
+		global $wgUseTrackbacks;
+		global $wgDBname;
+
+		$fname = 'SkinTemplate::outputPage';
+		wfProfileIn( $fname );
+
+		// Hook that allows last minute changes to the output page, e.g.
+		// adding of CSS or Javascript by extensions.
+		wfRunHooks( 'BeforePageDisplay', array( &$out ) );
+
+		extract( $wgRequest->getValues( 'oldid', 'diff' ) );
+
+		wfProfileIn( "$fname-init" );
+		$this->initPage( $out );
+
+		$this->mTitle =& $wgTitle;
+		$this->mUser =& $wgUser;
+
+		$tpl = $this->setupTemplate( $this->template, 'skins' );
+
+		#if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
+		$tpl->setTranslator(new MediaWiki_I18N());
+		#}
+		wfProfileOut( "$fname-init" );
+
+		wfProfileIn( "$fname-stuff" );
+		$this->thispage = $this->mTitle->getPrefixedDbKey();
+		$this->thisurl = $this->mTitle->getPrefixedURL();
+		$this->loggedin = $wgUser->isLoggedIn();
+		$this->iscontent = ($this->mTitle->getNamespace() != NS_SPECIAL );
+		$this->iseditable = ($this->iscontent and !($action == 'edit' or $action == 'submit'));
+		$this->username = $wgUser->getName();
+		$userPage = $wgUser->getUserPage();
+		$this->userpage = $userPage->getPrefixedText();
+
+		if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
+			$this->userpageUrlDetails = $this->makeUrlDetails($this->userpage);
+		} else {
+			# This won't be used in the standard skins, but we define it to preserve the interface
+			# To save time, we check for existence
+			$this->userpageUrlDetails = $this->makeKnownUrlDetails($this->userpage);
+		}
+
+		$this->usercss =  $this->userjs = $this->userjsprev = false;
+		$this->setupUserCss();
+		$this->setupUserJs();
+		$this->titletxt = $this->mTitle->getPrefixedText();
+		wfProfileOut( "$fname-stuff" );
+
+		wfProfileIn( "$fname-stuff2" );
+		$tpl->set( 'title', $wgOut->getPageTitle() );
+		$tpl->set( 'pagetitle', $wgOut->getHTMLTitle() );
+		$tpl->set( 'displaytitle', $wgOut->mPageLinkTitle );
+
+		$tpl->setRef( "thispage", $this->thispage );
+		$subpagestr = $this->subPageSubtitle();
+		$tpl->set(
+			'subtitle',  !empty($subpagestr)?
+			'<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle():
+			$out->getSubtitle()
+		);
+		$undelete = $this->getUndeleteLink();
+		$tpl->set(
+			"undelete", !empty($undelete)?
+			'<span class="subpages">'.$undelete.'</span>':
+			''
+		);
+
+		$tpl->set( 'catlinks', $this->getCategories());
+		if( $wgOut->isSyndicated() ) {
+			$feeds = array();
+			foreach( $wgFeedClasses as $format => $class ) {
+				$feeds[$format] = array(
+					'text' => $format,
+					'href' => $wgRequest->appendQuery( "feed=$format" )
+				);
+			}
+			$tpl->setRef( 'feeds', $feeds );
+		} else {
+			$tpl->set( 'feeds', false );
+		}
+		if ($wgUseTrackbacks && $out->isArticleRelated())
+			$tpl->set( 'trackbackhtml', $wgTitle->trackbackRDF());
+
+		$tpl->setRef( 'mimetype', $wgMimeType );
+		$tpl->setRef( 'jsmimetype', $wgJsMimeType );
+		$tpl->setRef( 'charset', $wgOutputEncoding );
+		$tpl->set( 'headlinks', $out->getHeadLinks() );
+		$tpl->set('headscripts', $out->getScript() );
+		$tpl->setRef( 'wgScript', $wgScript );
+		$tpl->setRef( 'skinname', $this->skinname );
+		$tpl->setRef( 'stylename', $this->stylename );
+		$tpl->set( 'printable', $wgRequest->getBool( 'printable' ) );
+		$tpl->setRef( 'loggedin', $this->loggedin );
+		$tpl->set('nsclass', 'ns-'.$this->mTitle->getNamespace());
+		$tpl->set('notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL);
+		/* XXX currently unused, might get useful later
+		$tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
+		$tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
+		$tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
+		$tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
+		$tpl->set( "helppage", wfMsg('helppage'));
+		*/
+		$tpl->set( 'searchaction', $this->escapeSearchLink() );
+		$tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
+		$tpl->setRef( 'stylepath', $wgStylePath );
+		$tpl->setRef( 'logopath', $wgLogo );
+		$tpl->setRef( "lang", $wgContLanguageCode );
+		$tpl->set( 'dir', $wgContLang->isRTL() ? "rtl" : "ltr" );
+		$tpl->set( 'rtl', $wgContLang->isRTL() );
+		$tpl->set( 'langname', $wgContLang->getLanguageName( $wgContLanguageCode ) );
+		$tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
+		$tpl->setRef( 'username', $this->username );
+		$tpl->setRef( 'userpage', $this->userpage);
+		$tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href']);
+		$tpl->set( 'pagecss', $this->setupPageCss() );
+		$tpl->setRef( 'usercss', $this->usercss);
+		$tpl->setRef( 'userjs', $this->userjs);
+		$tpl->setRef( 'userjsprev', $this->userjsprev);
+		global $wgUseSiteJs;
+		if ($wgUseSiteJs) {
+			if($this->loggedin) {
+				$tpl->set( 'jsvarurl', $this->makeUrl('-','action=raw&smaxage=0&gen=js') );
+			} else {
+				$tpl->set( 'jsvarurl', $this->makeUrl('-','action=raw&gen=js') );
+			}
+		} else {
+			$tpl->set('jsvarurl', false);
+		}
+		$newtalks = $wgUser->getNewMessageLinks();
+
+		if (count($newtalks) == 1 && $newtalks[0]["wiki"] === $wgDBname) {
+			$usertitle = $this->mUser->getUserPage();
+			$usertalktitle = $usertitle->getTalkPage();
+			if( !$usertalktitle->equals( $this->mTitle ) ) {
+				$ntl = wfMsg( 'youhavenewmessages',
+					$this->makeKnownLinkObj(
+						$usertalktitle,
+						wfMsgHtml( 'newmessageslink' ),
+						'redirect=no'
+					),
+					$this->makeKnownLinkObj(
+						$usertalktitle,
+						wfMsgHtml( 'newmessagesdifflink' ),
+						'diff=cur'
+					)
+				);
+				# Disable Cache
+				$wgOut->setSquidMaxage(0);
+			}
+		} else if (count($newtalks)) {
+			$sep = str_replace("_", " ", wfMsgHtml("newtalkseperator"));
+			$msgs = array();
+			foreach ($newtalks as $newtalk) {
+				$msgs[] = wfElement("a",
+					array('href' => $newtalk["link"]), $newtalk["wiki"]);
+			}
+			$parts = implode($sep, $msgs);
+			$ntl = wfMsgHtml('youhavenewmessagesmulti', $parts);
+			$wgOut->setSquidMaxage(0);
+		} else {
+			$ntl = '';
+		}
+		wfProfileOut( "$fname-stuff2" );
+
+		wfProfileIn( "$fname-stuff3" );
+		$tpl->setRef( 'newtalk', $ntl );
+		$tpl->setRef( 'skin', $this);
+		$tpl->set( 'logo', $this->logoText() );
+		if ( $wgOut->isArticle() and (!isset( $oldid ) or isset( $diff )) and 0 != $wgArticle->getID() ) {
+			if ( !$wgDisableCounters ) {
+				$viewcount = $wgLang->formatNum( $wgArticle->getCount() );
+				if ( $viewcount ) {
+					$tpl->set('viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
+				} else {
+					$tpl->set('viewcount', false);
+				}
+			} else {
+				$tpl->set('viewcount', false);
+			}
+
+			if ($wgPageShowWatchingUsers) {
+				$dbr =& wfGetDB( DB_SLAVE );
+				extract( $dbr->tableNames( 'watchlist' ) );
+				$sql = "SELECT COUNT(*) AS n FROM $watchlist
+					WHERE wl_title='" . $dbr->strencode($this->mTitle->getDBKey()) .
+					"' AND  wl_namespace=" . $this->mTitle->getNamespace() ;
+				$res = $dbr->query( $sql, 'SkinTemplate::outputPage');
+				$x = $dbr->fetchObject( $res );
+				$numberofwatchingusers = $x->n;
+				if ($numberofwatchingusers > 0) {
+					$tpl->set('numberofwatchingusers', wfMsg('number_of_watching_users_pageview', $numberofwatchingusers));
+				} else {
+					$tpl->set('numberofwatchingusers', false);
+				}
+			} else {
+				$tpl->set('numberofwatchingusers', false);
+			}
+
+			$tpl->set('copyright',$this->getCopyright());
+
+			$this->credits = false;
+
+			if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
+				require_once("Credits.php");
+				$this->credits = getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
+			} else {
+				$tpl->set('lastmod', $this->lastModified());
+			}
+
+			$tpl->setRef( 'credits', $this->credits );
+
+		} elseif ( isset( $oldid ) && !isset( $diff ) ) {
+			$tpl->set('copyright', $this->getCopyright());
+			$tpl->set('viewcount', false);
+			$tpl->set('lastmod', false);
+			$tpl->set('credits', false);
+			$tpl->set('numberofwatchingusers', false);
+		} else {
+			$tpl->set('copyright', false);
+			$tpl->set('viewcount', false);
+			$tpl->set('lastmod', false);
+			$tpl->set('credits', false);
+			$tpl->set('numberofwatchingusers', false);
+		}
+		wfProfileOut( "$fname-stuff3" );
+
+		wfProfileIn( "$fname-stuff4" );
+		$tpl->set( 'copyrightico', $this->getCopyrightIcon() );
+		$tpl->set( 'poweredbyico', $this->getPoweredBy() );
+		$tpl->set( 'disclaimer', $this->disclaimerLink() );
+		$tpl->set( 'privacy', $this->privacyLink() );
+		$tpl->set( 'about', $this->aboutLink() );
+
+		$tpl->setRef( 'debug', $out->mDebugtext );
+		$tpl->set( 'reporttime', $out->reportTime() );
+		$tpl->set( 'sitenotice', wfGetSiteNotice() );
+
+		$printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
+		$out->mBodytext .= $printfooter ;
+		$tpl->setRef( 'bodytext', $out->mBodytext );
+
+		# Language links
+		$language_urls = array();
+
+		if ( !$wgHideInterlanguageLinks ) {
+			foreach( $wgOut->getLanguageLinks() as $l ) {
+				$tmp = explode( ':', $l, 2 );
+				$class = 'interwiki-' . $tmp[0];
+				unset($tmp);
+				$nt = Title::newFromText( $l );
+				$language_urls[] = array(
+					'href' => $nt->getFullURL(),
+					'text' => ($wgContLang->getLanguageName( $nt->getInterwiki()) != ''?$wgContLang->getLanguageName( $nt->getInterwiki()) : $l),
+					'class' => $class
+				);
+			}
+		}
+		if(count($language_urls)) {
+			$tpl->setRef( 'language_urls', $language_urls);
+		} else {
+			$tpl->set('language_urls', false);
+		}
+		wfProfileOut( "$fname-stuff4" );
+
+		# Personal toolbar
+		$tpl->set('personal_urls', $this->buildPersonalUrls());
+		$content_actions = $this->buildContentActionUrls();
+		$tpl->setRef('content_actions', $content_actions);
+
+		// XXX: attach this from javascript, same with section editing
+		if($this->iseditable &&	$wgUser->getOption("editondblclick") )
+		{
+			$tpl->set('body_ondblclick', 'document.location = "' .$content_actions['edit']['href'] .'";');
+		} else {
+			$tpl->set('body_ondblclick', false);
+		}
+		if( $this->iseditable && $wgUser->getOption( 'editsectiononrightclick' ) ) {
+			$tpl->set( 'body_onload', 'setupRightClickEdit()' );
+		} else {
+			$tpl->set( 'body_onload', false );
+		}
+		$tpl->set( 'sidebar', $this->buildSidebar() );
+		$tpl->set( 'nav_urls', $this->buildNavUrls() );
+
+		// execute template
+		wfProfileIn( "$fname-execute" );
+		$res = $tpl->execute();
+		wfProfileOut( "$fname-execute" );
+
+		// result may be an error
+		$this->printOrError( $res );
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Output the string, or print error message if it's
+	 * an error object of the appropriate type.
+	 * For the base class, assume strings all around.
+	 *
+	 * @param mixed $str
+	 * @private
+	 */
+	function printOrError( &$str ) {
+		echo $str;
+	}
+
+	/**
+	 * build array of urls for personal toolbar
+	 * @return array
+	 * @private
+	 */
+	function buildPersonalUrls() {
+		global $wgTitle, $wgShowIPinHeader;
+
+		$fname = 'SkinTemplate::buildPersonalUrls';
+		$pageurl = $wgTitle->getLocalURL();
+		wfProfileIn( $fname );
+
+		/* set up the default links for the personal toolbar */
+		$personal_urls = array();
+		if ($this->loggedin) {
+			$personal_urls['userpage'] = array(
+				'text' => $this->username,
+				'href' => &$this->userpageUrlDetails['href'],
+				'class' => $this->userpageUrlDetails['exists']?false:'new',
+				'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
+			);
+			$usertalkUrlDetails = $this->makeTalkUrlDetails($this->userpage);
+			$personal_urls['mytalk'] = array(
+				'text' => wfMsg('mytalk'),
+				'href' => &$usertalkUrlDetails['href'],
+				'class' => $usertalkUrlDetails['exists']?false:'new',
+				'active' => ( $usertalkUrlDetails['href'] == $pageurl )
+			);
+			$href = $this->makeSpecialUrl('Preferences');
+			$personal_urls['preferences'] = array(
+				'text' => wfMsg('preferences'),
+				'href' => $this->makeSpecialUrl('Preferences'),
+				'active' => ( $href == $pageurl )
+			);
+			$href = $this->makeSpecialUrl('Watchlist');
+			$personal_urls['watchlist'] = array(
+				'text' => wfMsg('watchlist'),
+				'href' => $href,
+				'active' => ( $href == $pageurl )
+			);
+			$href = $this->makeSpecialUrl("Contributions/$this->username");
+			$personal_urls['mycontris'] = array(
+				'text' => wfMsg('mycontris'),
+				'href' => $href
+				# FIXME #  'active' => ( $href == $pageurl . '/' . $this->username )
+			);
+			$personal_urls['logout'] = array(
+				'text' => wfMsg('userlogout'),
+				'href' => $this->makeSpecialUrl( 'Userlogout',
+					$wgTitle->getNamespace() === NS_SPECIAL && $wgTitle->getText() === 'Preferences' ? '' : "returnto={$this->thisurl}"
+				)
+			);
+		} else {
+			if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get("session.name")] ) ) {
+				$href = &$this->userpageUrlDetails['href'];
+				$personal_urls['anonuserpage'] = array(
+					'text' => $this->username,
+					'href' => $href,
+					'class' => $this->userpageUrlDetails['exists']?false:'new',
+					'active' => ( $pageurl == $href )
+				);
+				$usertalkUrlDetails = $this->makeTalkUrlDetails($this->userpage);
+				$href = &$usertalkUrlDetails['href'];
+				$personal_urls['anontalk'] = array(
+					'text' => wfMsg('anontalk'),
+					'href' => $href,
+					'class' => $usertalkUrlDetails['exists']?false:'new',
+					'active' => ( $pageurl == $href )
+				);
+				$personal_urls['anonlogin'] = array(
+					'text' => wfMsg('userlogin'),
+					'href' => $this->makeSpecialUrl('Userlogin', 'returnto=' . $this->thisurl ),
+					'active' => ( NS_SPECIAL == $wgTitle->getNamespace() && 'Userlogin' == $wgTitle->getDBkey() )
+				);
+			} else {
+
+				$personal_urls['login'] = array(
+					'text' => wfMsg('userlogin'),
+					'href' => $this->makeSpecialUrl('Userlogin', 'returnto=' . $this->thisurl ),
+					'active' => ( NS_SPECIAL == $wgTitle->getNamespace() && 'Userlogin' == $wgTitle->getDBkey() )
+				);
+			}
+		}
+
+		wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$wgTitle ) );		
+		wfProfileOut( $fname );
+		return $personal_urls;
+	}
+
+	/**
+	 * Returns true if the IP should be shown in the header
+	 */
+	function showIPinHeader() {
+		global $wgShowIPinHeader;
+		return $wgShowIPinHeader && isset(  $_COOKIE[ini_get("session.name")] );
+	}
+
+	function tabAction( $title, $message, $selected, $query='', $checkEdit=false ) {
+		$classes = array();
+		if( $selected ) {
+			$classes[] = 'selected';
+		}
+		if( $checkEdit && $title->getArticleId() == 0 ) {
+			$classes[] = 'new';
+			$query = 'action=edit';
+		}
+
+		$text = wfMsg( $message );
+		if ( $text == "&lt;$message&gt;" ) {
+			global $wgContLang;
+			$text = $wgContLang->getNsText( Namespace::getSubject( $title->getNamespace() ) );
+		}
+
+		return array(
+			'class' => implode( ' ', $classes ),
+			'text' => $text,
+			'href' => $title->getLocalUrl( $query ) );
+	}
+
+	function makeTalkUrlDetails( $name, $urlaction='' ) {
+		$title = Title::newFromText( $name );
+		$title = $title->getTalkPage();
+		$this->checkTitle($title, $name);
+		return array(
+			'href' => $title->getLocalURL( $urlaction ),
+			'exists' => $title->getArticleID() != 0?true:false
+		);
+	}
+
+	function makeArticleUrlDetails( $name, $urlaction='' ) {
+		$title = Title::newFromText( $name );
+		$title= $title->getSubjectPage();
+		$this->checkTitle($title, $name);
+		return array(
+			'href' => $title->getLocalURL( $urlaction ),
+			'exists' => $title->getArticleID() != 0?true:false
+		);
+	}
+
+	/**
+	 * an array of edit links by default used for the tabs
+	 * @return array
+	 * @private
+	 */
+	function buildContentActionUrls () {
+		global $wgContLang, $wgOut;
+		$fname = 'SkinTemplate::buildContentActionUrls';
+		wfProfileIn( $fname );
+
+		global $wgUser, $wgRequest;
+		$action = $wgRequest->getText( 'action' );
+		$section = $wgRequest->getText( 'section' );
+		$content_actions = array();
+
+		$prevent_active_tabs = false ;
+		wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this , &$prevent_active_tabs ) )	;
+
+		if( $this->iscontent ) {
+			$subjpage = $this->mTitle->getSubjectPage();
+			$talkpage = $this->mTitle->getTalkPage();
+
+			$nskey = $this->mTitle->getNamespaceKey();
+			$content_actions[$nskey] = $this->tabAction(
+				$subjpage,
+				$nskey,
+				!$this->mTitle->isTalkPage() && !$prevent_active_tabs,
+				'', true);
+
+			$content_actions['talk'] = $this->tabAction(
+				$talkpage,
+				'talk',
+				$this->mTitle->isTalkPage() && !$prevent_active_tabs,
+				'',
+				true);
+
+			wfProfileIn( "$fname-edit" );
+			if ( $this->mTitle->userCanEdit() && ( $this->mTitle->exists() || $this->mTitle->userCanCreate() ) ) {
+				$istalk = $this->mTitle->isTalkPage();
+				$istalkclass = $istalk?' istalk':'';
+				$content_actions['edit'] = array(
+					'class' => ((($action == 'edit' or $action == 'submit') and $section != 'new') ? 'selected' : '').$istalkclass,
+					'text' => wfMsg('edit'),
+					'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
+				);
+
+				if ( $istalk || $wgOut->showNewSectionLink() ) {
+					$content_actions['addsection'] = array(
+						'class' => $section == 'new'?'selected':false,
+						'text' => wfMsg('addsection'),
+						'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
+					);
+				}
+			} else {
+				$content_actions['viewsource'] = array(
+					'class' => ($action == 'edit') ? 'selected' : false,
+					'text' => wfMsg('viewsource'),
+					'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
+				);
+			}
+			wfProfileOut( "$fname-edit" );
+
+			wfProfileIn( "$fname-live" );
+			if ( $this->mTitle->getArticleId() ) {
+
+				$content_actions['history'] = array(
+					'class' => ($action == 'history') ? 'selected' : false,
+					'text' => wfMsg('history_short'),
+					'href' => $this->mTitle->getLocalUrl( 'action=history')
+				);
+
+				if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
+					if(!$this->mTitle->isProtected()){
+						$content_actions['protect'] = array(
+							'class' => ($action == 'protect') ? 'selected' : false,
+							'text' => wfMsg('protect'),
+							'href' => $this->mTitle->getLocalUrl( 'action=protect' )
+						);
+
+					} else {
+						$content_actions['unprotect'] = array(
+							'class' => ($action == 'unprotect') ? 'selected' : false,
+							'text' => wfMsg('unprotect'),
+							'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
+						);
+					}
+				}
+				if($wgUser->isAllowed('delete')){
+					$content_actions['delete'] = array(
+						'class' => ($action == 'delete') ? 'selected' : false,
+						'text' => wfMsg('delete'),
+						'href' => $this->mTitle->getLocalUrl( 'action=delete' )
+					);
+				}
+				if ( $this->mTitle->userCanMove()) {
+					$moveTitle = Title::makeTitle( NS_SPECIAL, 'Movepage' );
+					$content_actions['move'] = array(
+						'class' => ($this->mTitle->getDbKey() == 'Movepage' and $this->mTitle->getNamespace == NS_SPECIAL) ? 'selected' : false,
+						'text' => wfMsg('move'),
+						'href' => $moveTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
+					);
+				}
+			} else {
+				//article doesn't exist or is deleted
+				if( $wgUser->isAllowed( 'delete' ) ) {
+					if( $n = $this->mTitle->isDeleted() ) {
+						$undelTitle = Title::makeTitle( NS_SPECIAL, 'Undelete' );
+						$content_actions['undelete'] = array(
+							'class' => false,
+							'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $n ),
+							'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
+							#'href' => $this->makeSpecialUrl("Undelete/$this->thispage")
+						);
+					}
+				}
+			}
+			wfProfileOut( "$fname-live" );
+
+			if( $this->loggedin ) {
+				if( !$this->mTitle->userIsWatching()) {
+					$content_actions['watch'] = array(
+						'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
+						'text' => wfMsg('watch'),
+						'href' => $this->mTitle->getLocalUrl( 'action=watch' )
+					);
+				} else {
+					$content_actions['unwatch'] = array(
+						'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
+						'text' => wfMsg('unwatch'),
+						'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
+					);
+				}
+			}
+
+			wfRunHooks( 'SkinTemplateTabs', array( &$this , &$content_actions ) )	;
+		} else {
+			/* show special page tab */
+
+			$content_actions['article'] = array(
+				'class' => 'selected',
+				'text' => wfMsg('specialpage'),
+				'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
+			);
+
+			wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
+		}
+
+		/* show links to different language variants */
+		global $wgDisableLangConversion;
+		$variants = $wgContLang->getVariants();
+		if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
+			$preferred = $wgContLang->getPreferredVariant();
+			$actstr = '';
+			if( $action )
+				$actstr = 'action=' . $action . '&';
+			$vcount=0;
+			foreach( $variants as $code ) {
+				$varname = $wgContLang->getVariantname( $code );
+				if( $varname == 'disable' )
+					continue;
+				$selected = ( $code == $preferred )? 'selected' : false;
+				$content_actions['varlang-' . $vcount] = array(
+						'class' => $selected,
+						'text' => $varname,
+						'href' => $this->mTitle->getLocalUrl( $actstr . 'variant=' . urlencode( $code ) )
+					);
+				$vcount ++;
+			}
+		}
+
+		wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
+
+		wfProfileOut( $fname );
+		return $content_actions;
+	}
+
+
+
+	/**
+	 * build array of common navigation links
+	 * @return array
+	 * @private
+	 */
+	function buildNavUrls () {
+		global $wgUseTrackbacks, $wgTitle, $wgArticle;
+
+		$fname = 'SkinTemplate::buildNavUrls';
+		wfProfileIn( $fname );
+
+		global $wgUser, $wgRequest;
+		global $wgEnableUploads, $wgUploadNavigationUrl;
+
+		$action = $wgRequest->getText( 'action' );
+		$oldid = $wgRequest->getVal( 'oldid' );
+		$diff = $wgRequest->getVal( 'diff' );
+
+		$nav_urls = array();
+		$nav_urls['mainpage'] = array('href' => $this->makeI18nUrl('mainpage'));
+		if( $wgEnableUploads ) {
+			if ($wgUploadNavigationUrl) {
+				$nav_urls['upload'] = array('href' => $wgUploadNavigationUrl );
+			} else {
+				$nav_urls['upload'] = array('href' => $this->makeSpecialUrl('Upload'));
+			}
+		} else {
+			if ($wgUploadNavigationUrl)
+				$nav_urls['upload'] = array('href' => $wgUploadNavigationUrl );
+			else
+				$nav_urls['upload'] = false;
+		}
+		$nav_urls['specialpages'] = array('href' => $this->makeSpecialUrl('Specialpages'));
+
+
+		// A print stylesheet is attached to all pages, but nobody ever
+		// figures that out. :)  Add a link...
+		if( $this->iscontent && ($action == '' || $action == 'view' || $action == 'purge' ) ) {
+			$revid = $wgArticle->getLatest();
+			if ( !( $revid == 0 )  )
+				$nav_urls['print'] = array(
+					'text' => wfMsg( 'printableversion' ),
+					'href' => $wgRequest->appendQuery( 'printable=yes' )
+				);
+
+			// Also add a "permalink" while we're at it
+			if ( (int)$oldid ) {
+				$nav_urls['permalink'] = array(
+					'text' => wfMsg( 'permalink' ),
+					'href' => ''
+				);
+			} else {
+				if ( !( $revid == 0 )  )
+					$nav_urls['permalink'] = array(
+						'text' => wfMsg( 'permalink' ),
+						'href' => $wgTitle->getLocalURL( "oldid=$revid" )
+					);
+			}
+
+			wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$oldid, &$revid ) );
+		}
+
+		if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
+			$wlhTitle = Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' );
+			$nav_urls['whatlinkshere'] = array(
+				'href' => $wlhTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
+			);
+			if( $this->mTitle->getArticleId() ) {
+				$rclTitle = Title::makeTitle( NS_SPECIAL, 'Recentchangeslinked' );
+				$nav_urls['recentchangeslinked'] = array(
+					'href' => $rclTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
+				);
+			}
+			if ($wgUseTrackbacks)
+				$nav_urls['trackbacklink'] = array(
+					'href' => $wgTitle->trackbackURL()
+				);
+		}
+
+		if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
+			$id = User::idFromName($this->mTitle->getText());
+			$ip = User::isIP($this->mTitle->getText());
+		} else {
+			$id = 0;
+			$ip = false;
+		}
+
+		if($id || $ip) { # both anons and non-anons have contri list
+			$nav_urls['contributions'] = array(
+				'href' => $this->makeSpecialUrl('Contributions/' . $this->mTitle->getText() )
+			);
+			if ( $wgUser->isAllowed( 'block' ) )
+				$nav_urls['blockip'] = array(
+					'href' => $this->makeSpecialUrl( 'Blockip/' . $this->mTitle->getText() )
+				);
+		} else {
+			$nav_urls['contributions'] = false;
+		}
+		$nav_urls['emailuser'] = false;
+		if( $this->showEmailUser( $id ) ) {
+			$nav_urls['emailuser'] = array(
+				'href' => $this->makeSpecialUrl('Emailuser/' . $this->mTitle->getText() )
+			);
+		}
+		wfProfileOut( $fname );
+		return $nav_urls;
+	}
+
+	/**
+	 * Generate strings used for xml 'id' names
+	 * @return string
+	 * @private
+	 */
+	function getNameSpaceKey () {
+		return $this->mTitle->getNamespaceKey();
+	}
+
+	/**
+	 * @private
+	 */
+	function setupUserCss() {
+		$fname = 'SkinTemplate::setupUserCss';
+		wfProfileIn( $fname );
+
+		global $wgRequest, $wgAllowUserCss, $wgUseSiteCss, $wgContLang, $wgSquidMaxage, $wgStylePath, $wgUser;
+
+		$sitecss = '';
+		$usercss = '';
+		$siteargs = '&maxage=' . $wgSquidMaxage;
+
+		# Add user-specific code if this is a user and we allow that kind of thing
+
+		if ( $wgAllowUserCss && $this->loggedin ) {
+			$action = $wgRequest->getText('action');
+
+			# if we're previewing the CSS page, use it
+			if( $this->mTitle->isCssSubpage() and $this->userCanPreview( $action ) ) {
+				$siteargs = "&smaxage=0&maxage=0";
+				$usercss = $wgRequest->getText('wpTextbox1');
+			} else {
+				$usercss = '@import "' .
+				  $this->makeUrl($this->userpage . '/'.$this->skinname.'.css',
+								 'action=raw&ctype=text/css') . '";' ."\n";
+			}
+
+			$siteargs .= '&ts=' . $wgUser->mTouched;
+		}
+
+		if ($wgContLang->isRTL()) $sitecss .= '@import "' . $wgStylePath . '/' . $this->stylename . '/rtl.css";' . "\n";
+
+		# If we use the site's dynamic CSS, throw that in, too
+		if ( $wgUseSiteCss ) {
+			$query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
+			$sitecss .= '@import "' . $this->makeNSUrl('Common.css', $query, NS_MEDIAWIKI) . '";' . "\n";
+			$sitecss .= '@import "' . $this->makeNSUrl(ucfirst($this->skinname) . '.css', $query, NS_MEDIAWIKI) . '";' . "\n";
+			$sitecss .= '@import "' . $this->makeUrl('-','action=raw&gen=css' . $siteargs) . '";' . "\n";
+		}
+
+		# If we use any dynamic CSS, make a little CDATA block out of it.
+
+		if ( !empty($sitecss) || !empty($usercss) ) {
+			$this->usercss = "/*<![CDATA[*/\n" . $sitecss . $usercss . '/*]]>*/';
+		}
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * @private
+	 */
+	function setupUserJs() {
+		$fname = 'SkinTemplate::setupUserJs';
+		wfProfileIn( $fname );
+
+		global $wgRequest, $wgAllowUserJs, $wgJsMimeType;
+		$action = $wgRequest->getText('action');
+
+		if( $wgAllowUserJs && $this->loggedin ) {
+			if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
+				# XXX: additional security check/prompt?
+				$this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText('wpTextbox1') . ' /*]]>*/';
+			} else {
+				$this->userjs = $this->makeUrl($this->userpage.'/'.$this->skinname.'.js', 'action=raw&ctype='.$wgJsMimeType.'&dontcountme=s');
+			}
+		}
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Code for extensions to hook into to provide per-page CSS, see
+	 * extensions/PageCSS/PageCSS.php for an implementation of this.
+	 *
+	 * @private
+	 */
+	function setupPageCss() {
+		$fname = 'SkinTemplate::setupPageCss';
+		wfProfileIn( $fname );
+		$out = false;
+		wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
+		
+		wfProfileOut( $fname );
+		return $out;
+	}
+
+	/**
+	 * returns css with user-specific options
+	 * @public
+	 */
+
+	function getUserStylesheet() {
+		$fname = 'SkinTemplate::getUserStylesheet';
+		wfProfileIn( $fname );
+
+		$s = "/* generated user stylesheet */\n";
+		$s .= $this->reallyDoGetUserStyles();
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+	/**
+	 * @public
+	 */
+	function getUserJs() {
+		$fname = 'SkinTemplate::getUserJs';
+		wfProfileIn( $fname );
+
+		global $wgStylePath;
+		$s = '/* generated javascript */';
+		$s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
+		$s .= '/* MediaWiki:'.ucfirst($this->skinname)." */\n";
+
+		// avoid inclusion of non defined user JavaScript (with custom skins only)
+		// by checking for default message content
+		$msgKey = ucfirst($this->skinname).'.js';
+		$userJS = wfMsg($msgKey);
+		if ('&lt;'.$msgKey.'&gt;' != $userJS) {
+			$s .= $userJS;
+		}
+
+		wfProfileOut( $fname );
+		return $s;
+	}
+}
+
+/**
+ * Generic wrapper for template functions, with interface
+ * compatible with what we use of PHPTAL 0.7.
+ * @package MediaWiki
+ * @subpackage Skins
+ */
+class QuickTemplate {
+	/**
+	 * @public
+	 */
+	function QuickTemplate() {
+		$this->data = array();
+		$this->translator = new MediaWiki_I18N();
+	}
+
+	/**
+	 * @public
+	 */
+	function set( $name, $value ) {
+		$this->data[$name] = $value;
+	}
+
+	/**
+	 * @public
+	 */
+	function setRef($name, &$value) {
+		$this->data[$name] =& $value;
+	}
+
+	/**
+	 * @public
+	 */
+	function setTranslator( &$t ) {
+		$this->translator = &$t;
+	}
+
+	/**
+	 * @public
+	 */
+	function execute() {
+		echo "Override this function.";
+	}
+
+
+	/**
+	 * @private
+	 */
+	function text( $str ) {
+		echo htmlspecialchars( $this->data[$str] );
+	}
+
+	/**
+	 * @private
+	 */
+	function html( $str ) {
+		echo $this->data[$str];
+	}
+
+	/**
+	 * @private
+	 */
+	function msg( $str ) {
+		echo htmlspecialchars( $this->translator->translate( $str ) );
+	}
+
+	/**
+	 * @private
+	 */
+	function msgHtml( $str ) {
+		echo $this->translator->translate( $str );
+	}
+
+	/**
+	 * An ugly, ugly hack.
+	 * @private
+	 */
+	function msgWiki( $str ) {
+		global $wgParser, $wgTitle, $wgOut;
+
+		$text = $this->translator->translate( $str );
+		$parserOutput = $wgParser->parse( $text, $wgTitle,
+			$wgOut->mParserOptions, true );
+		echo $parserOutput->getText();
+	}
+
+	/**
+	 * @private
+	 */
+	function haveData( $str ) {
+		return $this->data[$str];
+	}
+
+	/**
+	 * @private
+	 */
+	function haveMsg( $str ) {
+		$msg = $this->translator->translate( $str );
+		return ($msg != '-') && ($msg != ''); # ????
+	}
+}
+?>
diff --git a/includes/SpecialAllmessages.php b/includes/SpecialAllmessages.php
new file mode 100644
index 00000000..60258f9e
--- /dev/null
+++ b/includes/SpecialAllmessages.php
@@ -0,0 +1,212 @@
+<?php
+/**
+ * Provide functions to generate a special page
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+function wfSpecialAllmessages() {
+	global $wgOut, $wgAllMessagesEn, $wgRequest, $wgMessageCache, $wgTitle;
+	global $wgUseDatabaseMessages;
+
+	# The page isn't much use if the MediaWiki namespace is not being used
+	if( !$wgUseDatabaseMessages ) {
+		$wgOut->addWikiText( wfMsg( 'allmessagesnotsupportedDB' ) );
+		return;
+	}
+
+	$fname = "wfSpecialAllMessages";
+	wfProfileIn( $fname );
+
+	wfProfileIn( "$fname-setup");
+	$ot = $wgRequest->getText( 'ot' );
+
+	$navText = wfMsg( 'allmessagestext' );
+
+	# Make sure all extension messages are available
+	wfLoadAllExtensions();
+
+	$first = true;
+	$sortedArray = array_merge( $wgAllMessagesEn, $wgMessageCache->mExtensionMessages );
+	ksort( $sortedArray );
+	$messages = array();
+	$wgMessageCache->disableTransform();
+
+	foreach ( $sortedArray as $key => $value ) {
+		$messages[$key]['enmsg'] = is_array( $value ) ? $value['en'] : $value;
+		$messages[$key]['statmsg'] = wfMsgNoDb( $key );
+		$messages[$key]['msg'] = wfMsg ( $key );
+	}
+
+	$wgMessageCache->enableTransform();
+	wfProfileOut( "$fname-setup" );
+
+	wfProfileIn( "$fname-output" );
+	if ($ot == 'php') {
+		$navText .= makePhp($messages);
+		$wgOut->addHTML('PHP | <a href="'.$wgTitle->escapeLocalUrl('ot=html').'">HTML</a><pre>'.htmlspecialchars($navText).'</pre>');
+	} else {
+		$wgOut->addHTML( '<a href="'.$wgTitle->escapeLocalUrl('ot=php').'">PHP</a> | HTML' );
+		$wgOut->addWikiText( $navText );
+		$wgOut->addHTML( makeHTMLText( $messages ) );
+	}
+	wfProfileOut( "$fname-output" );
+
+	wfProfileOut( $fname );
+}
+
+/**
+ *
+ */
+function makePhp($messages) {
+	global $wgLanguageCode;
+	$txt = "\n\n".'$wgAllMessages'.ucfirst($wgLanguageCode).' = array('."\n";
+	foreach( $messages as $key => $m ) {
+		if(strtolower($wgLanguageCode) != 'en' and $m['msg'] == $m['enmsg'] ) {
+			//if (strstr($m['msg'],"\n")) {
+			//	$txt.='/* ';
+			//	$comment=' */';
+			//} else {
+			//	$txt .= '#';
+			//	$comment = '';
+			//}
+			continue;
+		} elseif ($m['msg'] == '&lt;'.$key.'&gt;'){
+			$m['msg'] = '';
+			$comment = ' #empty';
+		} else {
+			$comment = '';
+		}
+		$txt .= "'$key' => '" . preg_replace( "/(?<!\\\\)'/", "\'", $m['msg']) . "',$comment\n";
+	}
+	$txt .= ');';
+	return $txt;
+}
+
+/**
+ *
+ */
+function makeHTMLText( $messages ) {
+	global $wgLang, $wgUser, $wgLanguageCode, $wgContLanguageCode;
+	$fname = "makeHTMLText";
+	wfProfileIn( $fname );
+
+	$sk =& $wgUser->getSkin();
+	$talk = $wgLang->getNsText( NS_TALK );
+	$mwnspace = $wgLang->getNsText( NS_MEDIAWIKI );
+	$mwtalk = $wgLang->getNsText( NS_MEDIAWIKI_TALK );
+
+	$input = wfElement( 'input', array(
+		'type'    => 'text',
+		'id'      => 'allmessagesinput',
+		'onkeyup' => 'allmessagesfilter()',),
+		'');
+	$checkbox = wfElement( 'input', array(
+		'type'    => 'button',
+		'value'   => wfMsgHtml( 'allmessagesmodified' ),
+		'id'      => 'allmessagescheckbox',
+		'onclick' => 'allmessagesmodified()',),
+		'');
+
+	$txt = '<span id="allmessagesfilter" style="display:none;">' .
+		wfMsgHtml('allmessagesfilter') . " {$input}{$checkbox} " . '</span>';
+
+	$txt .= "
+<table border='1' cellspacing='0' width='100%' id='allmessagestable'>
+	<tr>
+		<th rowspan='2'>" . wfMsgHtml('allmessagesname') . "</th>
+		<th>" . wfMsgHtml('allmessagesdefault') . "</th>
+	</tr>
+	<tr>
+		<th>" . wfMsgHtml('allmessagescurrent') . "</th>
+	</tr>";
+
+	wfProfileIn( "$fname-check" );
+	# This is a nasty hack to avoid doing independent existence checks
+	# without sending the links and table through the slow wiki parser.
+	$pageExists = array(
+		NS_MEDIAWIKI => array(),
+		NS_MEDIAWIKI_TALK => array()
+	);
+	$dbr =& wfGetDB( DB_SLAVE );
+	$page = $dbr->tableName( 'page' );
+	$sql = "SELECT page_namespace,page_title FROM $page WHERE page_namespace IN (" . NS_MEDIAWIKI . ", " . NS_MEDIAWIKI_TALK . ")";
+	$res = $dbr->query( $sql );
+	while( $s = $dbr->fetchObject( $res ) ) {
+		$pageExists[$s->page_namespace][$s->page_title] = true;
+	}
+	$dbr->freeResult( $res );
+	wfProfileOut( "$fname-check" );
+
+	wfProfileIn( "$fname-output" );
+
+	$i = 0;
+
+	foreach( $messages as $key => $m ) {
+
+		$title = $wgLang->ucfirst( $key );
+		if($wgLanguageCode != $wgContLanguageCode)
+			$title.="/$wgLanguageCode";
+
+		$titleObj =& Title::makeTitle( NS_MEDIAWIKI, $title );
+		$talkPage =& Title::makeTitle( NS_MEDIAWIKI_TALK, $title );
+
+		$changed = ($m['statmsg'] != $m['msg']);
+		$message = htmlspecialchars( $m['statmsg'] );
+		$mw = htmlspecialchars( $m['msg'] );
+
+		#$pageLink = $sk->makeLinkObj( $titleObj, htmlspecialchars( $key ) );
+		#$talkLink = $sk->makeLinkObj( $talkPage, htmlspecialchars( $talk ) );
+		if( isset( $pageExists[NS_MEDIAWIKI][$title] ) ) {
+			$pageLink = $sk->makeKnownLinkObj( $titleObj, "<span id='sp-allmessages-i-$i'>" .  htmlspecialchars( $key ) . "</span>" );
+		} else {
+			$pageLink = $sk->makeBrokenLinkObj( $titleObj, "<span id='sp-allmessages-i-$i'>" .  htmlspecialchars( $key ) . "</span>" );
+		}
+		if( isset( $pageExists[NS_MEDIAWIKI_TALK][$title] ) ) {
+			$talkLink = $sk->makeKnownLinkObj( $talkPage, htmlspecialchars( $talk ) );
+		} else {
+			$talkLink = $sk->makeBrokenLinkObj( $talkPage, htmlspecialchars( $talk ) );
+		}
+		
+		$anchor = 'msg_' . htmlspecialchars( strtolower( $title ) );
+		$anchor = "<a id=\"$anchor\" name=\"$anchor\"></a>";
+
+		if($changed) {
+
+			$txt .= "
+	<tr class='orig' id='sp-allmessages-r1-$i'>
+		<td rowspan='2'>
+			$anchor$pageLink<br />$talkLink
+		</td><td>
+$message
+		</td>
+	</tr><tr class='new' id='sp-allmessages-r2-$i'>
+		<td>
+$mw
+		</td>
+	</tr>";
+		} else {
+
+			$txt .= "
+	<tr class='def' id='sp-allmessages-r1-$i'>
+		<td>
+			$anchor$pageLink<br />$talkLink
+		</td><td>
+$mw
+		</td>
+	</tr>";
+
+		}
+	$i++;
+	}
+	$txt .= "</table>";
+	wfProfileOut( "$fname-output" );
+
+	wfProfileOut( $fname );
+	return $txt;
+}
+
+?>
diff --git a/includes/SpecialAllpages.php b/includes/SpecialAllpages.php
new file mode 100644
index 00000000..53a5b348
--- /dev/null
+++ b/includes/SpecialAllpages.php
@@ -0,0 +1,322 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Entry point : initialise variables and call subfunctions.
+ * @param $par String: becomes "FOO" when called like Special:Allpages/FOO (default NULL)
+ * @param $specialPage @see SpecialPage object.
+ */
+function wfSpecialAllpages( $par=NULL, $specialPage ) {
+	global $wgRequest, $wgOut, $wgContLang;
+
+	# GET values
+	$from = $wgRequest->getVal( 'from' );
+	$namespace = $wgRequest->getInt( 'namespace' );
+
+	$namespaces = $wgContLang->getNamespaces();
+
+	$indexPage = new SpecialAllpages();
+
+	if( !in_array($namespace, array_keys($namespaces)) )
+		$namespace = 0;
+
+	$wgOut->setPagetitle( $namespace > 0 ?
+		wfMsg( 'allinnamespace', $namespaces[$namespace] ) :
+		wfMsg( 'allarticles' )
+		);
+
+	if ( isset($par) ) {
+		$indexPage->showChunk( $namespace, $par, $specialPage->including() );
+	} elseif ( isset($from) ) {
+		$indexPage->showChunk( $namespace, $from, $specialPage->including() );
+	} else {
+		$indexPage->showToplevel ( $namespace, $specialPage->including() );
+	}
+}
+
+class SpecialAllpages {
+	var $maxPerPage=960;
+	var $topLevelMax=50;
+	var $name='Allpages';
+	# Determines, which message describes the input field 'nsfrom' (->SpecialPrefixindex.php)
+	var $nsfromMsg='allpagesfrom';
+
+/**
+ * HTML for the top form
+ * @param integer $namespace A namespace constant (default NS_MAIN).
+ * @param string $from Article name we are starting listing at.
+ */
+function namespaceForm ( $namespace = NS_MAIN, $from = '' ) {
+	global $wgScript;
+	$t = Title::makeTitle( NS_SPECIAL, $this->name );
+
+	$namespaceselect = HTMLnamespaceselector($namespace, null);
+
+	$frombox = "<input type='text' size='20' name='from' id='nsfrom' value=\""
+	            . htmlspecialchars ( $from ) . '"/>';
+	$submitbutton = '<input type="submit" value="' . wfMsgHtml( 'allpagessubmit' ) . '" />';
+
+	$out = "<div class='namespaceoptions'><form method='get' action='{$wgScript}'>";
+	$out .= '<input type="hidden" name="title" value="'.$t->getPrefixedText().'" />';
+	$out .= "
+<table id='nsselect' class='allpages'>
+	<tr>
+		<td align='right'>" . wfMsgHtml($this->nsfromMsg) . "</td>
+		<td align='left'><label for='nsfrom'>$frombox</label></td>
+	</tr>
+	<tr>
+		<td align='right'><label for='namespace'>" . wfMsgHtml('namespace') . "</label></td>
+		<td align='left'>
+			$namespaceselect $submitbutton
+		</td>
+	</tr>
+</table>
+";
+	$out .= '</form></div>';
+		return $out;
+}
+
+/**
+ * @param integer $namespace (default NS_MAIN)
+ */
+function showToplevel ( $namespace = NS_MAIN, $including = false ) {
+	global $wgOut, $wgUser;
+	$sk = $wgUser->getSkin();
+	$fname = "indexShowToplevel";
+
+	# TODO: Either make this *much* faster or cache the title index points
+	# in the querycache table.
+
+	$dbr =& wfGetDB( DB_SLAVE );
+	$page = $dbr->tableName( 'page' );
+	$fromwhere = "FROM $page WHERE page_namespace=$namespace";
+	$order_arr = array ( 'ORDER BY' => 'page_title' );
+	$order_str = 'ORDER BY page_title';
+	$out = "";
+	$where = array( 'page_namespace' => $namespace );
+
+	global $wgMemc, $wgDBname;
+	$key = "$wgDBname:allpages:ns:$namespace";
+	$lines = $wgMemc->get( $key );
+
+	if( !is_array( $lines ) ) {
+		$firstTitle = $dbr->selectField( 'page', 'page_title', $where, $fname, array( 'LIMIT' => 1 ) );
+		$lastTitle = $firstTitle;
+
+		# This array is going to hold the page_titles in order.
+		$lines = array( $firstTitle );
+
+		# If we are going to show n rows, we need n+1 queries to find the relevant titles.
+		$done = false;
+		for( $i = 0; !$done; ++$i ) {
+			// Fetch the last title of this chunk and the first of the next
+			$chunk = is_null( $lastTitle )
+				? ''
+				: 'page_title >= ' . $dbr->addQuotes( $lastTitle );
+			$res = $dbr->select(
+				'page', /* FROM */
+				'page_title', /* WHAT */
+				$where + array( $chunk),
+				$fname,
+				array ('LIMIT' => 2, 'OFFSET' => $this->maxPerPage - 1, 'ORDER BY' => 'page_title') );
+
+			if ( $s = $dbr->fetchObject( $res ) ) {
+				array_push( $lines, $s->page_title );
+			} else {
+				// Final chunk, but ended prematurely. Go back and find the end.
+				$endTitle = $dbr->selectField( 'page', 'MAX(page_title)',
+					array(
+						'page_namespace' => $namespace,
+						$chunk
+					), $fname );
+				array_push( $lines, $endTitle );
+				$done = true;
+			}
+			if( $s = $dbr->fetchObject( $res ) ) {
+				array_push( $lines, $s->page_title );
+				$lastTitle = $s->page_title;
+			} else {
+				// This was a final chunk and ended exactly at the limit.
+				// Rare but convenient!
+				$done = true;
+			}
+			$dbr->freeResult( $res );
+		}
+		$wgMemc->add( $key, $lines, 3600 );
+	}
+
+	// If there are only two or less sections, don't even display them.
+	// Instead, display the first section directly.
+	if( count( $lines ) <= 2 ) {
+		$this->showChunk( $namespace, '', $including );
+		return;
+	}
+
+	# At this point, $lines should contain an even number of elements.
+	$out .= "<table class='allpageslist' style='background: inherit;'>";
+	while ( count ( $lines ) > 0 ) {
+		$inpoint = array_shift ( $lines );
+		$outpoint = array_shift ( $lines );
+		$out .= $this->showline ( $inpoint, $outpoint, $namespace, false );
+	}
+	$out .= '</table>';
+	$nsForm = $this->namespaceForm ( $namespace, '', false );
+
+	# Is there more?
+	if ( $including ) {
+		$out2 = '';
+	} else {
+		$morelinks = '';
+		if ( $morelinks != '' ) {
+			$out2 = '<table style="background: inherit;" width="100%" cellpadding="0" cellspacing="0" border="0">';
+			$out2 .= '<tr valign="top"><td align="left">' . $nsForm;
+			$out2 .= '</td><td align="right" style="font-size: smaller; margin-bottom: 1em;">';
+			$out2 .= $morelinks . '</td></tr></table><hr />';
+		} else {
+			$out2 = $nsForm . '<hr />';
+		}
+	}
+
+	$wgOut->addHtml( $out2 . $out );
+}
+
+/**
+ * @todo Document
+ * @param string $from
+ * @param integer $namespace (Default NS_MAIN)
+ */
+function showline( $inpoint, $outpoint, $namespace = NS_MAIN ) {
+	global $wgUser;
+	$sk = $wgUser->getSkin();
+	$dbr =& wfGetDB( DB_SLAVE );
+
+	$inpointf = htmlspecialchars( str_replace( '_', ' ', $inpoint ) );
+	$outpointf = htmlspecialchars( str_replace( '_', ' ', $outpoint ) );
+	$queryparams = ($namespace ? "namespace=$namespace" : '');
+	$special = Title::makeTitle( NS_SPECIAL, $this->name . '/' . $inpoint );
+	$link = $special->escapeLocalUrl( $queryparams );
+
+	$out = wfMsgHtml(
+		'alphaindexline',
+		"<a href=\"$link\">$inpointf</a></td><td><a href=\"$link\">",
+		"</a></td><td align=\"left\"><a href=\"$link\">$outpointf</a>"
+	);
+	return '<tr><td align="right">'.$out.'</td></tr>';
+}
+
+/**
+ * @param integer $namespace (Default NS_MAIN)
+ * @param string $from list all pages from this name (default FALSE)
+ */
+function showChunk( $namespace = NS_MAIN, $from, $including = false ) {
+	global $wgOut, $wgUser, $wgContLang;
+
+	$fname = 'indexShowChunk';
+
+	$sk = $wgUser->getSkin();
+
+	$fromList = $this->getNamespaceKeyAndText($namespace, $from);
+
+	if ( !$fromList ) {
+		$out = wfMsgWikiHtml( 'allpagesbadtitle' );
+	} else {
+		list( $namespace, $fromKey, $from ) = $fromList;
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'page',
+			array( 'page_namespace', 'page_title', 'page_is_redirect' ),
+			array(
+				'page_namespace' => $namespace,
+				'page_title >= ' . $dbr->addQuotes( $fromKey )
+			),
+			$fname,
+			array(
+				'ORDER BY'  => 'page_title',
+				'LIMIT'     => $this->maxPerPage + 1,
+				'USE INDEX' => 'name_title',
+			)
+		);
+
+		### FIXME: side link to previous
+
+		$n = 0;
+		$out = '<table style="background: inherit;" border="0" width="100%">';
+
+		$namespaces = $wgContLang->getFormattedNamespaces();
+		while( ($n < $this->maxPerPage) && ($s = $dbr->fetchObject( $res )) ) {
+			$t = Title::makeTitle( $s->page_namespace, $s->page_title );
+			if( $t ) {
+				$link = ($s->page_is_redirect ? '<div class="allpagesredirect">' : '' ) .
+					$sk->makeKnownLinkObj( $t, htmlspecialchars( $t->getText() ), false, false ) .
+					($s->page_is_redirect ? '</div>' : '' );
+			} else {
+				$link = '[[' . htmlspecialchars( $s->page_title ) . ']]';
+			}
+			if( $n % 3 == 0 ) {
+				$out .= '<tr>';
+			}
+			$out .= "<td>$link</td>";
+			$n++;
+			if( $n % 3 == 0 ) {
+				$out .= '</tr>';
+			}
+		}
+		if( ($n % 3) != 0 ) {
+			$out .= '</tr>';
+		}
+		$out .= '</table>';
+	}
+
+	if ( $including ) {
+		$out2 = '';
+	} else {
+		$nsForm = $this->namespaceForm ( $namespace, $from );
+		$out2 = '<table style="background: inherit;" width="100%" cellpadding="0" cellspacing="0" border="0">';
+		$out2 .= '<tr valign="top"><td align="left">' . $nsForm;
+		$out2 .= '</td><td align="right" style="font-size: smaller; margin-bottom: 1em;">' .
+				$sk->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
+					wfMsgHtml ( 'allpages' ) );
+		if ( isset($dbr) && $dbr && ($n == $this->maxPerPage) && ($s = $dbr->fetchObject( $res )) ) {
+			$namespaceparam = $namespace ? "&namespace=$namespace" : "";
+			$out2 .= " | " . $sk->makeKnownLink(
+				$wgContLang->specialPage( "Allpages" ),
+				wfMsgHtml ( 'nextpage', $s->page_title ),
+				"from=" . wfUrlEncode ( $s->page_title ) . $namespaceparam );
+		}
+		$out2 .= "</td></tr></table><hr />";
+	}
+
+	$wgOut->addHtml( $out2 . $out );
+}
+	
+/**
+ * @param int $ns the namespace of the article
+ * @param string $text the name of the article
+ * @return array( int namespace, string dbkey, string pagename ) or NULL on error
+ * @static (sort of)
+ * @access private
+ */
+function getNamespaceKeyAndText ($ns, $text) {
+	if ( $text == '' )
+		return array( $ns, '', '' ); # shortcut for common case
+
+	$t = Title::makeTitleSafe($ns, $text);
+	if ( $t && $t->isLocal() )
+		return array( $t->getNamespace(), $t->getDBkey(), $t->getText() );
+	else if ( $t )
+		return NULL;
+
+	# try again, in case the problem was an empty pagename
+	$text = preg_replace('/(#|$)/', 'X$1', $text);
+	$t = Title::makeTitleSafe($ns, $text);
+	if ( $t && $t->isLocal() )
+		return array( $t->getNamespace(), '', '' );
+	else
+		return NULL;
+}
+}
+
+?>
diff --git a/includes/SpecialAncientpages.php b/includes/SpecialAncientpages.php
new file mode 100644
index 00000000..39a3c8ea
--- /dev/null
+++ b/includes/SpecialAncientpages.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class AncientPagesPage extends QueryPage {
+
+	function getName() {
+		return "Ancientpages";
+	}
+
+	function isExpensive() {
+		return true;
+	}
+
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		global $wgDBtype;
+		$db =& wfGetDB( DB_SLAVE );
+		$page = $db->tableName( 'page' );
+		$revision = $db->tableName( 'revision' );
+		#$use_index = $db->useIndexClause( 'cur_timestamp' ); # FIXME! this is gone
+		$epoch = $wgDBtype == 'mysql' ? 'UNIX_TIMESTAMP(rev_timestamp)' :
+			'EXTRACT(epoch FROM rev_timestamp)';
+		return
+			"SELECT 'Ancientpages' as type,
+					page_namespace as namespace,
+			        page_title as title,
+			        $epoch as value
+			FROM $page, $revision
+			WHERE page_namespace=".NS_MAIN." AND page_is_redirect=0
+			  AND page_latest=rev_id";
+	}
+
+	function sortDescending() {
+		return false;
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+
+		$d = $wgLang->timeanddate( wfTimestamp( TS_MW, $result->value ), true );
+		$title = Title::makeTitle( $result->namespace, $result->title );
+		$link = $skin->makeKnownLinkObj( $title, htmlspecialchars( $wgContLang->convert( $title->getPrefixedText() ) ) );
+		return wfSpecialList($link, $d);
+	}
+}
+
+function wfSpecialAncientpages() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$app = new AncientPagesPage();
+
+	$app->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialBlockip.php b/includes/SpecialBlockip.php
new file mode 100644
index 00000000..b3f67ab1
--- /dev/null
+++ b/includes/SpecialBlockip.php
@@ -0,0 +1,239 @@
+<?php
+/**
+ * Constructor for Special:Blockip page
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Constructor
+ */
+function wfSpecialBlockip( $par ) {
+	global $wgUser, $wgOut, $wgRequest;
+
+	if( !$wgUser->isAllowed( 'block' ) ) {
+		$wgOut->permissionRequired( 'block' );
+		return;
+	}
+
+	$ipb = new IPBlockForm( $par );
+
+	$action = $wgRequest->getVal( 'action' );
+	if ( 'success' == $action ) {
+		$ipb->showSuccess();
+	} else if ( $wgRequest->wasPosted() && 'submit' == $action &&
+		$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
+		$ipb->doSubmit();
+	} else {
+		$ipb->showForm( '' );
+	}
+}
+
+/**
+ * Form object
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class IPBlockForm {
+	var $BlockAddress, $BlockExpiry, $BlockReason;
+
+	function IPBlockForm( $par ) {
+		global $wgRequest;
+
+		$this->BlockAddress = $wgRequest->getVal( 'wpBlockAddress', $wgRequest->getVal( 'ip', $par ) );
+		$this->BlockReason = $wgRequest->getText( 'wpBlockReason' );
+		$this->BlockExpiry = $wgRequest->getVal( 'wpBlockExpiry', wfMsg('ipbotheroption') );
+		$this->BlockOther = $wgRequest->getVal( 'wpBlockOther', '' );
+	}
+
+	function showForm( $err ) {
+		global $wgOut, $wgUser, $wgSysopUserBans;
+
+		$wgOut->setPagetitle( wfMsg( 'blockip' ) );
+		$wgOut->addWikiText( wfMsg( 'blockiptext' ) );
+
+		if($wgSysopUserBans) {
+			$mIpaddress = wfMsgHtml( 'ipadressorusername' );
+		} else {
+			$mIpaddress = wfMsgHtml( 'ipaddress' );
+		}
+		$mIpbexpiry = wfMsgHtml( 'ipbexpiry' );
+		$mIpbother = wfMsgHtml( 'ipbother' );
+		$mIpbothertime = wfMsgHtml( 'ipbotheroption' );
+		$mIpbreason = wfMsgHtml( 'ipbreason' );
+		$mIpbsubmit = wfMsgHtml( 'ipbsubmit' );
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Blockip' );
+		$action = $titleObj->escapeLocalURL( "action=submit" );
+
+		if ( "" != $err ) {
+			$wgOut->setSubtitle( wfMsgHtml( 'formerror' ) );
+			$wgOut->addHTML( "<p class='error'>{$err}</p>\n" );
+		}
+
+		$scBlockAddress = htmlspecialchars( $this->BlockAddress );
+		$scBlockExpiry = htmlspecialchars( $this->BlockExpiry );
+		$scBlockReason = htmlspecialchars( $this->BlockReason );
+		$scBlockOtherTime = htmlspecialchars( $this->BlockOther );
+		$scBlockExpiryOptions = htmlspecialchars( wfMsgForContent( 'ipboptions' ) );
+
+		$showblockoptions = $scBlockExpiryOptions != '-';
+		if (!$showblockoptions)
+			$mIpbother = $mIpbexpiry;
+
+		$blockExpiryFormOptions = "<option value=\"other\">$mIpbothertime</option>";
+		foreach (explode(',', $scBlockExpiryOptions) as $option) {
+			if ( strpos($option, ":") === false ) $option = "$option:$option";
+			list($show, $value) = explode(":", $option);
+			$show = htmlspecialchars($show);
+			$value = htmlspecialchars($value);
+			$selected = "";
+			if ($this->BlockExpiry === $value)
+				$selected = ' selected="selected"';
+			$blockExpiryFormOptions .= "<option value=\"$value\"$selected>$show</option>";
+		}
+
+		$token = htmlspecialchars( $wgUser->editToken() );
+
+		$wgOut->addHTML( "
+<form id=\"blockip\" method=\"post\" action=\"{$action}\">
+	<table border='0'>
+		<tr>
+			<td align=\"right\">{$mIpaddress}:</td>
+			<td align=\"left\">
+				<input tabindex='1' type='text' size='20' name=\"wpBlockAddress\" value=\"{$scBlockAddress}\" />
+			</td>
+		</tr>
+		<tr>");
+		if ($showblockoptions) {
+			$wgOut->addHTML("
+			<td align=\"right\">{$mIpbexpiry}:</td>
+			<td align=\"left\">
+				<select tabindex='2' id='wpBlockExpiry' name=\"wpBlockExpiry\" onchange=\"considerChangingExpiryFocus()\">
+					$blockExpiryFormOptions
+				</select>
+			</td>
+			");
+		}
+		$wgOut->addHTML("
+		</tr>
+		<tr id='wpBlockOther'>
+			<td align=\"right\">{$mIpbother}:</td>
+			<td align=\"left\">
+				<input tabindex='3' type='text' size='40' name=\"wpBlockOther\" value=\"{$scBlockOtherTime}\" />
+			</td>
+		</tr>
+		<tr>
+			<td align=\"right\">{$mIpbreason}:</td>
+			<td align=\"left\">
+				<input tabindex='3' type='text' size='40' name=\"wpBlockReason\" value=\"{$scBlockReason}\" />
+			</td>
+		</tr>
+		<tr>
+			<td>&nbsp;</td>
+			<td align=\"left\">
+				<input tabindex='4' type='submit' name=\"wpBlock\" value=\"{$mIpbsubmit}\" />
+			</td>
+		</tr>
+	</table>
+	<input type='hidden' name='wpEditToken' value=\"{$token}\" />
+</form>\n" );
+
+	}
+
+	function doSubmit() {
+		global $wgOut, $wgUser, $wgSysopUserBans, $wgSysopRangeBans;
+
+		$userId = 0;
+		$this->BlockAddress = trim( $this->BlockAddress );
+		$rxIP = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
+
+		# Check for invalid specifications
+		if ( ! preg_match( "/^$rxIP$/", $this->BlockAddress ) ) {
+		  	if ( preg_match( "/^($rxIP)\\/(\\d{1,2})$/", $this->BlockAddress, $matches ) ) {
+				if ( $wgSysopRangeBans ) {
+					if ( $matches[2] > 31 || $matches[2] < 16 ) {
+						$this->showForm( wfMsg( 'ip_range_invalid' ) );
+						return;
+					}
+					$this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
+				} else {
+					# Range block illegal
+					$this->showForm( wfMsg( 'range_block_disabled' ) );
+					return;
+				}
+			} else {
+				# Username block
+				if ( $wgSysopUserBans ) {
+					$userId = User::idFromName( $this->BlockAddress );
+					if ( $userId == 0 ) {
+						$this->showForm( wfMsg( 'nosuchusershort', htmlspecialchars( $this->BlockAddress ) ) );
+						return;
+					}
+				} else {
+					$this->showForm( wfMsg( 'badipaddress' ) );
+					return;
+				}
+			}
+		}
+
+		$expirestr = $this->BlockExpiry;
+		if( $expirestr == 'other' )
+			$expirestr = $this->BlockOther;
+
+		if (strlen($expirestr) == 0) {
+			$this->showForm( wfMsg( 'ipb_expiry_invalid' ) );
+			return;
+		}
+
+		if ( $expirestr == 'infinite' || $expirestr == 'indefinite' ) {
+			$expiry = '';
+		} else {
+			# Convert GNU-style date, on error returns -1 for PHP <5.1 and false for PHP >=5.1
+			$expiry = strtotime( $expirestr );
+
+			if ( $expiry < 0 || $expiry === false ) {
+				$this->showForm( wfMsg( 'ipb_expiry_invalid' ) );
+				return;
+			}
+
+			$expiry = wfTimestamp( TS_MW, $expiry );
+
+		}
+
+		# Create block
+		# Note: for a user block, ipb_address is only for display purposes
+
+		$ban = new Block( $this->BlockAddress, $userId, $wgUser->getID(),
+			$this->BlockReason, wfTimestampNow(), 0, $expiry );
+
+		if (wfRunHooks('BlockIp', array(&$ban, &$wgUser))) {
+
+			$ban->insert();
+
+			wfRunHooks('BlockIpComplete', array($ban, $wgUser));
+
+			# Make log entry
+			$log = new LogPage( 'block' );
+			$log->addEntry( 'block', Title::makeTitle( NS_USER, $this->BlockAddress ),
+			  $this->BlockReason, $expirestr );
+
+			# Report to the user
+			$titleObj = Title::makeTitle( NS_SPECIAL, 'Blockip' );
+			$wgOut->redirect( $titleObj->getFullURL( 'action=success&ip=' .
+				urlencode( $this->BlockAddress ) ) );
+		}
+	}
+
+	function showSuccess() {
+		global $wgOut;
+
+		$wgOut->setPagetitle( wfMsg( 'blockip' ) );
+		$wgOut->setSubtitle( wfMsg( 'blockipsuccesssub' ) );
+		$text = wfMsg( 'blockipsuccesstext', $this->BlockAddress );
+		$wgOut->addWikiText( $text );
+	}
+}
+
+?>
diff --git a/includes/SpecialBlockme.php b/includes/SpecialBlockme.php
new file mode 100644
index 00000000..5bfce4ee
--- /dev/null
+++ b/includes/SpecialBlockme.php
@@ -0,0 +1,40 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+function wfSpecialBlockme() {
+	global $wgRequest, $wgBlockOpenProxies, $wgOut, $wgProxyKey;
+
+	$ip = wfGetIP();
+	
+	if( !$wgBlockOpenProxies || $wgRequest->getText( 'ip' ) != md5( $ip . $wgProxyKey ) ) {
+		$wgOut->addWikiText( wfMsg( 'disabled' ) );
+		return;
+	}
+
+	$blockerName = wfMsg( "proxyblocker" );
+	$reason = wfMsg( "proxyblockreason" );
+	$success = wfMsg( "proxyblocksuccess" );
+
+	$u = User::newFromName( $blockerName );
+	$id = $u->idForName();
+	if ( !$id ) {
+		$u = User::newFromName( $blockerName );
+		$u->addToDatabase();
+		$u->setPassword( bin2hex( mt_rand(0, 0x7fffffff ) ) );
+		$u->saveSettings();
+		$id = $u->getID();
+	}
+
+	$block = new Block( $ip, 0, $id, $reason, wfTimestampNow() );
+	$block->insert();
+
+	$wgOut->addWikiText( $success );
+}
+?>
diff --git a/includes/SpecialBooksources.php b/includes/SpecialBooksources.php
new file mode 100644
index 00000000..960f6224
--- /dev/null
+++ b/includes/SpecialBooksources.php
@@ -0,0 +1,109 @@
+<?php
+/**
+ * ISBNs in wiki pages will create links to this page, with the ISBN passed
+ * in via the query string.
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Constructor
+ */
+function wfSpecialBooksources( $par ) {
+	global $wgRequest;
+
+	$isbn = $par;
+	if( empty( $par ) ) {
+		$isbn = $wgRequest->getVal( 'isbn' );
+	}
+	$isbn = preg_replace( '/[^0-9X]/', '', $isbn );
+
+	$bsl = new BookSourceList( $isbn );
+	$bsl->show();
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class BookSourceList {
+	var $mIsbn;
+
+	function BookSourceList( $isbn ) {
+		$this->mIsbn = $isbn;
+	}
+
+	function show() {
+		global $wgOut;
+
+		$wgOut->setPagetitle( wfMsg( "booksources" ) );
+		if( $this->mIsbn == '' ) {
+			$this->askForm();
+		} else {
+			$this->showList();
+		}
+	}
+
+	function showList() {
+		global $wgOut, $wgContLang;
+		$fname = "BookSourceList::showList()";
+
+		# First, see if we have a custom list setup in
+		# [[Wikipedia:Book sources]] or equivalent.
+		$bstitle = Title::makeTitleSafe( NS_PROJECT, wfMsg( "booksources" ) );
+		if( $bstitle ) {
+			$revision = Revision::newFromTitle( $bstitle );
+			if( $revision ) {
+				$bstext = $revision->getText();
+				if( $bstext ) {
+					$bstext = str_replace( "MAGICNUMBER", $this->mIsbn, $bstext );
+					$wgOut->addWikiText( $bstext );
+					return;
+				}
+			}
+		}
+
+		# Otherwise, use the list of links in the default Language.php file.
+		$s = wfMsgWikiHtml( 'booksourcetext' ) . "<ul>\n";
+		$bs = $wgContLang->getBookstoreList() ;
+		$bsn = array_keys ( $bs ) ;
+		foreach ( $bsn as $name ) {
+			$adr = $bs[$name] ;
+			if ( ! $this->mIsbn ) {
+				$adr = explode( ":" , $adr , 2 );
+				$adr = explode( "/" , $adr[1] );
+				$a = "";
+				while ( $a == "" ) {
+					$a = array_shift( $adr );
+				}
+				$adr = "http://".$a ;
+			} else {
+				$adr = str_replace ( "$1" , $this->mIsbn , $adr ) ;
+			}
+			$name = htmlspecialchars( $name );
+			$adr = htmlspecialchars( $adr );
+			$s .= "<li><a href=\"{$adr}\" class=\"external\">{$name}</a></li>\n" ;
+		}
+		$s .= "</ul>\n";
+
+		$wgOut->addHTML( $s );
+	}
+
+	function askForm() {
+		global $wgOut, $wgTitle;
+		$fname = "BookSourceList::askForm()";
+
+		$action = $wgTitle->escapeLocalUrl();
+		$isbn = htmlspecialchars( wfMsg( "isbn" ) );
+		$go = htmlspecialchars( wfMsg( "go" ) );
+		$out = "<form action=\"$action\" method='post'>
+			$isbn: <input name='isbn' id='isbn' />
+			<input type='submit' value=\"$go\" />
+		</form>";
+		$wgOut->addHTML( $out );
+	}
+}
+
+?>
diff --git a/includes/SpecialBrokenRedirects.php b/includes/SpecialBrokenRedirects.php
new file mode 100644
index 00000000..e5c2dd8e
--- /dev/null
+++ b/includes/SpecialBrokenRedirects.php
@@ -0,0 +1,88 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class BrokenRedirectsPage extends PageQueryPage {
+	var $targets = array();
+
+	function getName() {
+		return 'BrokenRedirects';
+	}
+
+	function isExpensive( ) { return true; }
+	function isSyndicated() { return false; }
+
+	function getPageHeader( ) {
+		global $wgOut;
+		return $wgOut->parse( wfMsg( 'brokenredirectstext' ) );
+	}
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'pagelinks' ) );
+
+		$sql = "SELECT 'BrokenRedirects'  AS type,
+		                p1.page_namespace AS namespace,
+		                p1.page_title     AS title,
+		                pl_namespace,
+		                pl_title
+		           FROM $pagelinks AS pl
+                   JOIN $page p1 ON (p1.page_is_redirect=1 AND pl.pl_from=p1.page_id)
+		      LEFT JOIN $page AS p2 ON (pl_namespace=p2.page_namespace AND pl_title=p2.page_title )
+    		                WHERE p2.page_namespace IS NULL";
+		return $sql;
+	}
+
+	function getOrder() {
+		return '';
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang;
+		
+		$fromObj = Title::makeTitle( $result->namespace, $result->title );
+		if ( isset( $result->pl_title ) ) {
+			$toObj = Title::makeTitle( $result->pl_namespace, $result->pl_title );
+		} else {
+			$blinks = $fromObj->getBrokenLinksFrom();
+			if ( $blinks ) {
+				$toObj = $blinks[0];
+			} else {
+				$toObj = false;
+			}
+		}
+
+		// $toObj may very easily be false if the $result list is cached
+		if ( !is_object( $toObj ) ) {
+			return '<s>' . $skin->makeLinkObj( $fromObj ) . '</s>';
+		}
+
+		$from = $skin->makeKnownLinkObj( $fromObj ,'', 'redirect=no' );
+		$edit = $skin->makeBrokenLinkObj( $fromObj , "(".wfMsg("qbedit").")" , 'redirect=no');
+		$to   = $skin->makeBrokenLinkObj( $toObj );
+		$arr = $wgContLang->isRTL() ? '&larr;' : '&rarr;';
+
+		return "$from $edit $arr $to";
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialBrokenRedirects() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$sbr = new BrokenRedirectsPage();
+
+	return $sbr->doQuery( $offset, $limit );
+
+}
+?>
diff --git a/includes/SpecialCategories.php b/includes/SpecialCategories.php
new file mode 100644
index 00000000..8a6dd5ff
--- /dev/null
+++ b/includes/SpecialCategories.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class CategoriesPage extends QueryPage {
+
+	function getName() {
+		return "Categories";
+	}
+
+	function isExpensive() {
+		return false;
+	}
+
+	function isSyndicated() { return false; }
+
+	function getPageHeader() {
+		return wfMsgWikiHtml( 'categoriespagetext' );
+	}
+	
+	function getSQL() {
+		$NScat = NS_CATEGORY;
+		$dbr =& wfGetDB( DB_SLAVE );
+		$categorylinks = $dbr->tableName( 'categorylinks' );
+		$s= "SELECT 'Categories' as type,
+				{$NScat} as namespace,
+				cl_to as title,
+				1 as value,
+				COUNT(*) as count
+			   FROM $categorylinks
+			   GROUP BY cl_to";
+		return $s;
+	}
+
+	function sortDescending() {
+		return false;
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang;
+		$title = Title::makeTitle( NS_CATEGORY, $result->title );
+		$plink = $skin->makeLinkObj( $title, $title->getText() );
+		$nlinks = wfMsgExt( 'nmembers', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $result->count ) );
+		return wfSpecialList($plink, $nlinks);
+	}
+}
+
+/**
+ *
+ */
+function wfSpecialCategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$cap = new CategoriesPage();
+
+	return $cap->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialConfirmemail.php b/includes/SpecialConfirmemail.php
new file mode 100644
index 00000000..fd0425a8
--- /dev/null
+++ b/includes/SpecialConfirmemail.php
@@ -0,0 +1,97 @@
+<?php
+
+/**
+ * Special page allows users to request email confirmation message, and handles
+ * processing of the confirmation code when the link in the email is followed
+ *
+ * @package MediaWiki
+ * @subpackage Special pages
+ * @author Rob Church <robchur@gmail.com>
+ */
+ 
+/**
+ * Main execution point
+ *
+ * @param $par Parameters passed to the page
+ */
+function wfSpecialConfirmemail( $par ) {
+	$form = new EmailConfirmation();
+	$form->execute( $par );
+}
+
+class EmailConfirmation extends SpecialPage {
+	
+	/**
+	 * Main execution point
+	 *
+	 * @param $code Confirmation code passed to the page
+	 */
+	function execute( $code ) {
+		global $wgUser, $wgOut;
+		if( empty( $code ) ) {
+			if( $wgUser->isLoggedIn() ) {
+				$this->showRequestForm();
+			} else {
+				$title = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+				$self = Title::makeTitle( NS_SPECIAL, 'Confirmemail' );
+				$skin = $wgUser->getSkin();
+				$llink = $skin->makeKnownLinkObj( $title, wfMsgHtml( 'loginreqlink' ), 'returnto=' . $self->getPrefixedUrl() );
+				$wgOut->addHtml( wfMsgWikiHtml( 'confirmemail_needlogin', $llink ) );
+			}
+		} else {
+			$this->attemptConfirm( $code );
+		}
+	}
+	
+	/**
+	 * Show a nice form for the user to request a confirmation mail
+	 */
+	function showRequestForm() {
+		global $wgOut, $wgUser, $wgLang, $wgRequest;
+		if( $wgRequest->wasPosted() && $wgUser->matchEditToken( $wgRequest->getText( 'token' ) ) ) {
+			$ok = $wgUser->sendConfirmationMail();
+			$message = WikiError::isError( $ok ) ? 'confirmemail_sendfailed' : 'confirmemail_sent';
+			$wgOut->addWikiText( wfMsg( $message ) );
+		} else {
+			if( $wgUser->isEmailConfirmed() ) {
+				$time = $wgLang->timeAndDate( $wgUser->mEmailAuthenticated, true );
+				$wgOut->addWikiText( wfMsg( 'emailauthenticated', $time ) );
+			}
+			$wgOut->addWikiText( wfMsg( 'confirmemail_text' ) );
+			$self = Title::makeTitle( NS_SPECIAL, 'Confirmemail' );		
+			$form  = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $self->getLocalUrl() ) );
+			$form .= wfHidden( 'token', $wgUser->editToken() );
+			$form .= wfSubmitButton( wfMsgHtml( 'confirmemail_send' ) );
+			$form .= wfCloseElement( 'form' );
+			$wgOut->addHtml( $form );
+		}				
+	}
+	
+	/**
+	 * Attempt to confirm the user's email address and show success or failure
+	 * as needed; if successful, take the user to log in
+	 *
+	 * @param $code Confirmation code
+	 */
+	function attemptConfirm( $code ) {
+		global $wgUser, $wgOut;
+		$user = User::newFromConfirmationCode( $code );
+		if( is_object( $user ) ) {
+			if( $user->confirmEmail() ) {
+				$message = $wgUser->isLoggedIn() ? 'confirmemail_loggedin' : 'confirmemail_success';
+				$wgOut->addWikiText( wfMsg( $message ) );
+				if( !$wgUser->isLoggedIn() ) {
+					$title = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+					$wgOut->returnToMain( true, $title->getPrefixedText() );
+				}
+			} else {
+				$wgOut->addWikiText( wfMsg( 'confirmemail_error' ) );
+			}
+		} else {
+			$wgOut->addWikiText( wfMsg( 'confirmemail_invalid' ) );
+		}
+	}
+	
+}
+
+?>
diff --git a/includes/SpecialContributions.php b/includes/SpecialContributions.php
new file mode 100644
index 00000000..8477b6bc
--- /dev/null
+++ b/includes/SpecialContributions.php
@@ -0,0 +1,444 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/** @package MediaWiki */
+class ContribsFinder {
+	var $username, $offset, $limit, $namespace;
+	var $dbr;
+
+	function ContribsFinder( $username ) {
+		$this->username = $username;
+		$this->namespace = false;
+		$this->dbr =& wfGetDB( DB_SLAVE );
+	}
+
+	function setNamespace( $ns ) {
+		$this->namespace = $ns;
+	}
+
+	function setLimit( $limit ) {
+		$this->limit = $limit;
+	}
+
+	function setOffset( $offset ) {
+		$this->offset = $offset;
+	}
+
+	function getEditLimit( $dir ) {
+		list( $index, $usercond ) = $this->getUserCond();
+		$nscond = $this->getNamespaceCond();
+		$use_index = $this->dbr->useIndexClause( $index );
+		extract( $this->dbr->tableNames( 'revision', 'page' ) );
+		$sql =	"SELECT rev_timestamp " .
+			" FROM $page,$revision $use_index " .
+			" WHERE rev_page=page_id AND $usercond $nscond" .
+			" ORDER BY rev_timestamp $dir LIMIT 1";
+
+		$res = $this->dbr->query( $sql, __METHOD__ );
+		$row = $this->dbr->fetchObject( $res );
+		if ( $row ) {
+			return $row->rev_timestamp;
+		} else {
+			return false;
+		}
+	}
+
+	function getEditLimits() {
+		return array(
+			$this->getEditLimit( "ASC" ),
+			$this->getEditLimit( "DESC" )
+		);
+	}
+
+	function getUserCond() {
+		$condition = '';
+
+		if ( $this->username == 'newbies' ) {
+			$max = $this->dbr->selectField( 'user', 'max(user_id)', false, 'make_sql' );
+			$condition = '>' . (int)($max - $max / 100);
+		}
+
+		if ( $condition == '' ) {
+			$condition = ' rev_user_text=' . $this->dbr->addQuotes( $this->username );
+			$index = 'usertext_timestamp';
+		} else {
+			$condition = ' rev_user '.$condition ;
+			$index = 'user_timestamp';
+		}
+		return array( $index, $condition );
+	}
+
+	function getNamespaceCond() {
+		if ( $this->namespace !== false )
+			return ' AND page_namespace = ' . (int)$this->namespace;
+		return '';
+	}
+
+	function getPreviousOffsetForPaging() {
+		list( $index, $usercond ) = $this->getUserCond();
+		$nscond = $this->getNamespaceCond();
+
+		$use_index = $this->dbr->useIndexClause( $index );
+		extract( $this->dbr->tableNames( 'page', 'revision' ) );
+
+		$sql =	"SELECT rev_timestamp FROM $page, $revision $use_index " .
+			"WHERE page_id = rev_page AND rev_timestamp > '" . $this->offset . "' AND " .
+			$usercond . $nscond;
+		$sql .=	" ORDER BY rev_timestamp ASC";
+		$sql = $this->dbr->limitResult( $sql, $this->limit, 0 );
+		$res = $this->dbr->query( $sql );
+		
+		$numRows = $this->dbr->numRows( $res );
+		if ( $numRows ) {
+			$this->dbr->dataSeek( $res, $numRows - 1 );
+			$row = $this->dbr->fetchObject( $res );
+			$offset = $row->rev_timestamp;
+		} else {
+			$offset = false;
+		}
+		$this->dbr->freeResult( $res );
+		return $offset;
+	}
+
+	function getFirstOffsetForPaging() {
+		list( $index, $usercond ) = $this->getUserCond();
+		$use_index = $this->dbr->useIndexClause( $index );
+		extract( $this->dbr->tableNames( 'page', 'revision' ) );
+		$nscond = $this->getNamespaceCond();
+		$sql =	"SELECT rev_timestamp FROM $page, $revision $use_index " .
+			"WHERE page_id = rev_page AND " .
+			$usercond . $nscond;
+		$sql .=	" ORDER BY rev_timestamp ASC";
+		$sql = $this->dbr->limitResult( $sql, $this->limit, 0 );
+		$res = $this->dbr->query( $sql );
+		
+		$numRows = $this->dbr->numRows( $res );
+		if ( $numRows ) {
+			$this->dbr->dataSeek( $res, $numRows - 1 );
+			$row = $this->dbr->fetchObject( $res );
+			$offset = $row->rev_timestamp;
+		} else {
+			$offset = false;
+		}
+		$this->dbr->freeResult( $res );
+		return $offset;
+	}
+
+	/* private */ function makeSql() {
+		$userCond = $condition = $index = $offsetQuery = '';
+
+		extract( $this->dbr->tableNames( 'page', 'revision' ) );
+		list( $index, $userCond ) = $this->getUserCond();
+
+		if ( $this->offset )
+			$offsetQuery = "AND rev_timestamp <= '{$this->offset}'";
+
+		$nscond = $this->getNamespaceCond();
+		$use_index = $this->dbr->useIndexClause( $index );
+		$sql = "SELECT
+			page_namespace,page_title,page_is_new,page_latest,
+			rev_id,rev_page,rev_text_id,rev_timestamp,rev_comment,rev_minor_edit,rev_user,rev_user_text,
+			rev_deleted
+			FROM $page,$revision $use_index
+			WHERE page_id=rev_page AND $userCond $nscond $offsetQuery
+		 	ORDER BY rev_timestamp DESC";
+		$sql = $this->dbr->limitResult( $sql, $this->limit, 0 );
+		return $sql;
+	}
+
+	function find() {
+		$contribs = array();
+		$res = $this->dbr->query( $this->makeSql(), __METHOD__ );
+		while ( $c = $this->dbr->fetchObject( $res ) )
+			$contribs[] = $c;
+		$this->dbr->freeResult( $res );
+		return $contribs;
+	}
+};
+
+/**
+ * Special page "user contributions".
+ * Shows a list of the contributions of a user.
+ *
+ * @return	none
+ * @param	$par	String: (optional) user name of the user for which to show the contributions
+ */
+function wfSpecialContributions( $par = null ) {
+	global $wgUser, $wgOut, $wgLang, $wgRequest;
+	$fname = 'wfSpecialContributions';
+
+	$target = isset( $par ) ? $par : $wgRequest->getVal( 'target' );
+	if ( !strlen( $target ) ) {
+		$wgOut->showErrorPage( 'notargettitle', 'notargettext' );
+		return;
+	}
+
+	$nt = Title::newFromURL( $target );
+	if ( !$nt ) {
+		$wgOut->showErrorPage( 'notargettitle', 'notargettext' );
+		return;
+	}
+
+	$options = array();
+
+	list( $options['limit'], $options['offset']) = wfCheckLimits();
+	$options['offset'] = $wgRequest->getVal( 'offset' );
+	/* Offset must be an integral. */
+	if ( !strlen( $options['offset'] ) || !preg_match( '/^[0-9]+$/', $options['offset'] ) )
+		$options['offset'] = '';
+
+	$title = Title::makeTitle( NS_SPECIAL, 'Contributions' );
+	$options['target'] = $target;
+
+	$nt =& Title::makeTitle( NS_USER, $nt->getDBkey() );
+	$finder = new ContribsFinder( ( $target == 'newbies' ) ? 'newbies' : $nt->getText() );
+	$finder->setLimit( $options['limit'] );
+	$finder->setOffset( $options['offset'] );
+
+	if ( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
+		$options['namespace'] = intval( $ns );
+		$finder->setNamespace( $options['namespace'] );
+	} else {
+		$options['namespace'] = '';
+	}
+
+	if ( $wgUser->isAllowed( 'rollback' ) && $wgRequest->getBool( 'bot' ) ) {
+		$options['bot'] = '1';
+	}
+
+	if ( $wgRequest->getText( 'go' ) == 'prev' ) {
+		$offset = $finder->getPreviousOffsetForPaging();
+		if ( $offset !== false ) {
+			$options['offset'] = $offset;
+			$prevurl = $title->getLocalURL( wfArrayToCGI( $options ) );
+			$wgOut->redirect( $prevurl );
+			return;
+		}
+	}
+
+	if ( $wgRequest->getText( 'go' ) == 'first' && $target != 'newbies') {
+		$offset = $finder->getFirstOffsetForPaging();
+		if ( $offset !== false ) {
+			$options['offset'] = $offset;
+			$prevurl = $title->getLocalURL( wfArrayToCGI( $options ) );
+			$wgOut->redirect( $prevurl );
+			return;
+		}
+	}
+
+	if ( $target == 'newbies' ) {
+		$wgOut->setSubtitle( wfMsgHtml( 'sp-contributions-newbies-sub') );
+	} else {
+		$wgOut->setSubtitle( wfMsgHtml( 'contribsub', contributionsSub( $nt ) ) );
+	}
+
+	$id = User::idFromName( $nt->getText() );
+	wfRunHooks( 'SpecialContributionsBeforeMainOutput', $id );
+
+	$wgOut->addHTML( contributionsForm( $options) );
+
+	$contribs = $finder->find();
+
+	if ( count( $contribs ) == 0) {
+		$wgOut->addWikiText( wfMsg( 'nocontribs' ) );
+		return;
+	}
+
+	list( $early, $late ) = $finder->getEditLimits();
+	$lastts = count( $contribs ) ? $contribs[count( $contribs ) - 1]->rev_timestamp : 0;
+	$atstart = ( !count( $contribs ) || $late == $contribs[0]->rev_timestamp );
+	$atend = ( !count( $contribs ) || $early == $lastts );
+
+	// These four are defaults
+	$newestlink = wfMsgHtml( 'sp-contributions-newest' );
+	$oldestlink = wfMsgHtml( 'sp-contributions-oldest' );
+	$newerlink  = wfMsgHtml( 'sp-contributions-newer', $options['limit'] );
+	$olderlink  = wfMsgHtml( 'sp-contributions-older', $options['limit'] );
+
+	if ( !$atstart ) {
+		$stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'offset' => '' ), $options ) );
+		$newestlink = "<a href=\"$stuff\">$newestlink</a>";
+		$stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'go' => 'prev' ), $options ) );
+		$newerlink = "<a href=\"$stuff\">$newerlink</a>";
+	}
+
+	if ( !$atend ) {
+		$stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'go' => 'first' ), $options ) );
+		$oldestlink = "<a href=\"$stuff\">$oldestlink</a>";
+		$stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'offset' => $lastts ), $options ) );
+		$olderlink = "<a href=\"$stuff\">$olderlink</a>";
+	}
+
+	if ( $target == 'newbies' ) {
+		$firstlast ="($newestlink)";
+	} else {
+		$firstlast = "($newestlink | $oldestlink)";
+	}
+
+	$urls = array();
+	foreach ( array( 20, 50, 100, 250, 500 ) as $num ) {
+		$stuff = $title->escapeLocalURL( wfArrayToCGI( array( 'limit' => $num ), $options ) );
+		$urls[] = "<a href=\"$stuff\">".$wgLang->formatNum( $num )."</a>";
+	}
+	$bits = implode( $urls, ' | ' );
+
+	$prevnextbits = $firstlast .' '. wfMsgHtml( 'viewprevnext', $newerlink, $olderlink, $bits );
+
+	$wgOut->addHTML( "<p>{$prevnextbits}</p>\n" );
+
+	$wgOut->addHTML( "<ul>\n" );
+
+	$sk = $wgUser->getSkin();
+	foreach ( $contribs as $contrib )
+		$wgOut->addHTML( ucListEdit( $sk, $contrib ) );
+
+	$wgOut->addHTML( "</ul>\n" );
+	$wgOut->addHTML( "<p>{$prevnextbits}</p>\n" );
+}
+
+/**
+ * Generates the subheading with links
+ * @param $nt @see Title object for the target
+ */
+function contributionsSub( $nt ) {
+	global $wgSysopUserBans, $wgLang, $wgUser;
+
+	$sk = $wgUser->getSkin();
+	$id = User::idFromName( $nt->getText() );
+
+	if ( 0 == $id ) {
+		$ul = $nt->getText();
+	} else {
+		$ul = $sk->makeLinkObj( $nt, htmlspecialchars( $nt->getText() ) );
+	}
+	$talk = $nt->getTalkPage();
+	if( $talk ) {
+		# Talk page link	
+		$tools[] = $sk->makeLinkObj( $talk, $wgLang->getNsText( NS_TALK ) );
+		if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && User::isIP( $nt->getText() ) ) ) {
+			# Block link
+			if( $wgUser->isAllowed( 'block' ) )
+				$tools[] = $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Blockip/' . $nt->getDBkey() ), wfMsgHtml( 'blocklink' ) );
+			# Block log link
+			$tools[] = $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Log' ), htmlspecialchars( LogPage::logName( 'block' ) ), 'type=block&page=' . $nt->getPrefixedUrl() );
+		}
+		# Other logs link
+		$tools[] = $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Log' ), wfMsgHtml( 'log' ), 'user=' . $nt->getPartialUrl() );
+		$ul .= ' (' . implode( ' | ', $tools ) . ')';
+	}
+	return $ul;
+}
+
+/**
+ * Generates the namespace selector form with hidden attributes.
+ * @param $options Array: the options to be included.
+ */
+function contributionsForm( $options ) {
+	global $wgScript, $wgTitle;
+
+	$options['title'] = $wgTitle->getPrefixedText();
+
+	$f = "<form method='get' action=\"$wgScript\">\n";
+	foreach ( $options as $name => $value ) {
+		if( $name === 'namespace') continue;
+		$f .= "\t" . wfElement( 'input', array(
+			'name' => $name,
+			'type' => 'hidden',
+			'value' => $value ) ) . "\n";
+	}
+
+	$f .= '<p>' . wfMsgHtml( 'namespace' ) . ' ' .
+	HTMLnamespaceselector( $options['namespace'], '' ) .
+	wfElement( 'input', array(
+			'type' => 'submit',
+			'value' => wfMsg( 'allpagessubmit' ) )
+	) .
+	"</p></form>\n";
+
+	return $f;
+}
+
+/**
+ * Generates each row in the contributions list.
+ *
+ * Contributions which are marked "top" are currently on top of the history.
+ * For these contributions, a [rollback] link is shown for users with sysop
+ * privileges. The rollback link restores the most recent version that was not
+ * written by the target user.
+ *
+ * If the contributions page is called with the parameter &bot=1, all rollback
+ * links also get that parameter. It causes the edit itself and the rollback
+ * to be marked as "bot" edits. Bot edits are hidden by default from recent
+ * changes, so this allows sysops to combat a busy vandal without bothering
+ * other users.
+ *
+ * @todo This would probably look a lot nicer in a table.
+ */
+function ucListEdit( $sk, $row ) {
+	$fname = 'ucListEdit';
+	wfProfileIn( $fname );
+
+	global $wgLang, $wgUser, $wgRequest;
+	static $messages;
+	if( !isset( $messages ) ) {
+		foreach( explode( ' ', 'uctop diff newarticle rollbacklink diff hist minoreditletter' ) as $msg ) {
+			$messages[$msg] = wfMsgExt( $msg, array( 'escape') );
+		}
+	}
+
+	$rev = new Revision( $row );
+	
+	$page = Title::makeTitle( $row->page_namespace, $row->page_title );
+	$link = $sk->makeKnownLinkObj( $page );
+	$difftext = $topmarktext = '';
+	if( $row->rev_id == $row->page_latest ) {
+		$topmarktext .= '<strong>' . $messages['uctop'] . '</strong>';
+		if( !$row->page_is_new ) {
+			$difftext .= '(' . $sk->makeKnownLinkObj( $page, $messages['diff'], 'diff=0' ) . ')';
+		} else {
+			$difftext .= $messages['newarticle'];
+		}
+
+		if( $wgUser->isAllowed( 'rollback' ) ) {
+			$extraRollback = $wgRequest->getBool( 'bot' ) ? '&bot=1' : '';
+			$extraRollback .= '&token=' . urlencode(
+				$wgUser->editToken( array( $page->getPrefixedText(), $row->rev_user_text ) ) );
+			$topmarktext .= ' ['. $sk->makeKnownLinkObj( $page,
+			  	$messages['rollbacklink'],
+			  	'action=rollback&from=' . urlencode( $row->rev_user_text ) . $extraRollback ) .']';
+		}
+
+	}
+	if( $rev->userCan( Revision::DELETED_TEXT ) ) {
+		$difftext = '(' . $sk->makeKnownLinkObj( $page, $messages['diff'], 'diff=prev&oldid='.$row->rev_id ) . ')';
+	} else {
+		$difftext = '(' . $messages['diff'] . ')';
+	}
+	$histlink='('.$sk->makeKnownLinkObj( $page, $messages['hist'], 'action=history' ) . ')';
+
+	$comment = $sk->revComment( $rev );
+	$d = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->rev_timestamp ), true );
+	
+	if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
+		$d = '<span class="history-deleted">' . $d . '</span>';
+	}
+
+	if( $row->rev_minor_edit ) {
+		$mflag = '<span class="minor">' . $messages['minoreditletter'] . '</span> ';
+	} else {
+		$mflag = '';
+	}
+
+	$ret = "{$d} {$histlink} {$difftext} {$mflag} {$link} {$comment} {$topmarktext}";
+	if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
+		$ret .= ' ' . wfMsgHtml( 'deletedrev' );
+	}
+	$ret = "<li>$ret</li>\n";
+	wfProfileOut( $fname );
+	return $ret;
+}
+
+?>
diff --git a/includes/SpecialDeadendpages.php b/includes/SpecialDeadendpages.php
new file mode 100644
index 00000000..3f4a0519
--- /dev/null
+++ b/includes/SpecialDeadendpages.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class DeadendPagesPage extends PageQueryPage {
+
+	function getName( ) {
+		return "Deadendpages";
+	}
+
+	/**
+	 * LEFT JOIN is expensive
+	 *
+	 * @return true
+	 */
+	function isExpensive( ) {
+		return 1;
+	}
+
+	function isSyndicated() { return false; }
+
+	/**
+	 * @return false
+	 */
+	function sortDescending() {
+		return false;
+	}
+
+    /**
+	 * @return string an sqlquery
+	 */
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'pagelinks' ) );
+		return "SELECT 'Deadendpages' as type, page_namespace AS namespace, page_title as title, page_title AS value " .
+	"FROM $page LEFT JOIN $pagelinks ON page_id = pl_from " .
+	"WHERE pl_from IS NULL " .
+	"AND page_namespace = 0 " .
+	"AND page_is_redirect = 0";
+    }
+}
+
+/**
+ * Constructor
+ */
+function wfSpecialDeadendpages() {
+
+    list( $limit, $offset ) = wfCheckLimits();
+
+    $depp = new DeadendPagesPage();
+
+    return $depp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialDisambiguations.php b/includes/SpecialDisambiguations.php
new file mode 100644
index 00000000..1a0297af
--- /dev/null
+++ b/includes/SpecialDisambiguations.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class DisambiguationsPage extends PageQueryPage {
+
+	function getName() {
+		return 'Disambiguations';
+	}
+
+	function isExpensive( ) { return true; }
+	function isSyndicated() { return false; }
+
+	function getPageHeader( ) {
+		global $wgUser;
+		$sk = $wgUser->getSkin();
+
+		#FIXME : probably need to add a backlink to the maintenance page.
+		return '<p>'.wfMsg('disambiguationstext', $sk->makeKnownLink(wfMsgForContent('disambiguationspage')) )."</p><br />\n";
+	}
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'pagelinks', 'templatelinks' ) );
+
+		$dp = Title::newFromText(wfMsgForContent('disambiguationspage'));
+		$id = $dp->getArticleId();
+		$dns = $dp->getNamespace();
+		$dtitle = $dbr->addQuotes( $dp->getDBkey() );
+
+		if($dns != NS_TEMPLATE) {
+			# FIXME we assume the disambiguation message is a template but
+			# the page can potentially be from another namespace :/
+			wfDebug("Mediawiki:disambiguationspage message does not refer to a template!\n");
+		}
+
+		$sql = "SELECT 'Disambiguations' AS \"type\", pa.page_namespace AS namespace,"
+			 ." pa.page_title AS title, la.pl_from AS value"
+			 ." FROM {$templatelinks} AS lb, {$page} AS pa, {$pagelinks} AS la"
+			 ." WHERE lb.tl_namespace = $dns AND lb.tl_title = $dtitle" # disambiguation template
+			 .' AND pa.page_id = lb.tl_from'
+			 .' AND pa.page_namespace = la.pl_namespace'
+			 .' AND pa.page_title = la.pl_title';
+		return $sql;
+	}
+
+	function getOrder() {
+		return '';
+	}
+
+	function formatResult( $skin, $result ) {
+		$title = Title::newFromId( $result->value );
+		$dp = Title::makeTitle( $result->namespace, $result->title );
+
+		$from = $skin->makeKnownLinkObj( $title,'');
+		$edit = $skin->makeBrokenLinkObj( $title, "(".wfMsg("qbedit").")" , 'redirect=no');
+		$to   = $skin->makeKnownLinkObj( $dp,'');
+
+		return "$from $edit => $to";
+	}
+}
+
+/**
+ * Constructor
+ */
+function wfSpecialDisambiguations() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$sd = new DisambiguationsPage();
+
+	return $sd->doQuery( $offset, $limit );
+}
+?>
diff --git a/includes/SpecialDoubleRedirects.php b/includes/SpecialDoubleRedirects.php
new file mode 100644
index 00000000..fe480f60
--- /dev/null
+++ b/includes/SpecialDoubleRedirects.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class DoubleRedirectsPage extends PageQueryPage {
+
+	function getName() {
+		return 'DoubleRedirects';
+	}
+
+	function isExpensive( ) { return true; }
+	function isSyndicated() { return false; }
+
+	function getPageHeader( ) {
+		#FIXME : probably need to add a backlink to the maintenance page.
+		return '<p>'.wfMsg("doubleredirectstext")."</p><br />\n";
+	}
+
+	function getSQLText( &$dbr, $namespace = null, $title = null ) {
+		
+		extract( $dbr->tableNames( 'page', 'pagelinks' ) );
+
+		$limitToTitle = !( $namespace === null && $title === null );
+		$sql = $limitToTitle ? "SELECT" : "SELECT 'DoubleRedirects' as type," ;
+		$sql .=
+			 " pa.page_namespace as namespace, pa.page_title as title," .
+			 " pb.page_namespace as nsb, pb.page_title as tb," .
+			 " pc.page_namespace as nsc, pc.page_title as tc" .
+		   " FROM $pagelinks AS la, $pagelinks AS lb, $page AS pa, $page AS pb, $page AS pc" .
+		   " WHERE pa.page_is_redirect=1 AND pb.page_is_redirect=1" .
+			 " AND la.pl_from=pa.page_id" .
+			 " AND la.pl_namespace=pb.page_namespace" .
+			 " AND la.pl_title=pb.page_title" .
+			 " AND lb.pl_from=pb.page_id" .
+			 " AND lb.pl_namespace=pc.page_namespace" .
+			 " AND lb.pl_title=pc.page_title";
+
+		if( $limitToTitle ) {
+			$encTitle = $dbr->addQuotes( $title );
+			$sql .= " AND pa.page_namespace=$namespace" .
+					" AND pa.page_title=$encTitle";
+		}
+
+		return $sql;
+	}
+	
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		return $this->getSQLText( $dbr );
+	}
+
+	function getOrder() {
+		return '';
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang;
+	
+		$fname = 'DoubleRedirectsPage::formatResult';
+		$titleA = Title::makeTitle( $result->namespace, $result->title );
+
+		if ( $result && !isset( $result->nsb ) ) {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$sql = $this->getSQLText( $dbr, $result->namespace, $result->title );
+			$res = $dbr->query( $sql, $fname );
+			if ( $res ) {
+				$result = $dbr->fetchObject( $res );
+				$dbr->freeResult( $res );
+			}
+		}
+		if ( !$result ) {
+			return '';
+		}
+
+		$titleB = Title::makeTitle( $result->nsb, $result->tb );
+		$titleC = Title::makeTitle( $result->nsc, $result->tc );
+
+		$linkA = $skin->makeKnownLinkObj( $titleA,'', 'redirect=no' );
+		$edit = $skin->makeBrokenLinkObj( $titleA, "(".wfMsg("qbedit").")" , 'redirect=no');
+		$linkB = $skin->makeKnownLinkObj( $titleB, '', 'redirect=no' );
+		$linkC = $skin->makeKnownLinkObj( $titleC );
+		$arr = $wgContLang->isRTL() ? '&larr;' : '&rarr;';
+
+		return( "{$linkA} {$edit} {$arr} {$linkB} {$arr} {$linkC}" );
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialDoubleRedirects() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$sdr = new DoubleRedirectsPage();
+
+	return $sdr->doQuery( $offset, $limit );
+
+}
+?>
diff --git a/includes/SpecialEmailuser.php b/includes/SpecialEmailuser.php
new file mode 100644
index 00000000..c66389e1
--- /dev/null
+++ b/includes/SpecialEmailuser.php
@@ -0,0 +1,160 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once('UserMailer.php');
+
+function wfSpecialEmailuser( $par ) {
+	global $wgUser, $wgOut, $wgRequest, $wgEnableEmail, $wgEnableUserEmail;
+
+	if( !( $wgEnableEmail && $wgEnableUserEmail ) ) {
+		$wgOut->showErrorPage( "nosuchspecialpage", "nospecialpagetext" );
+		return;
+	}
+
+	if( !$wgUser->canSendEmail() ) {
+		wfDebug( "User can't send.\n" );
+		$wgOut->showErrorPage( "mailnologin", "mailnologintext" );
+		return;
+	}
+
+	$action = $wgRequest->getVal( 'action' );
+	$target = isset($par) ? $par : $wgRequest->getVal( 'target' );
+	if ( "" == $target ) {
+		wfDebug( "Target is empty.\n" );
+		$wgOut->showErrorPage( "notargettitle", "notargettext" );
+		return;
+	}
+
+	$nt = Title::newFromURL( $target );
+	if ( is_null( $nt ) ) {
+		wfDebug( "Target is invalid title.\n" );
+		$wgOut->showErrorPage( "notargettitle", "notargettext" );
+		return;
+	}
+
+	$nu = User::newFromName( $nt->getText() );
+	if( is_null( $nu ) || !$nu->canReceiveEmail() ) {
+		wfDebug( "Target is invalid user or can't receive.\n" );
+		$wgOut->showErrorPage( "noemailtitle", "noemailtext" );
+		return;
+	}
+
+	$f = new EmailUserForm( $nu );
+
+	if ( "success" == $action ) {
+		$f->showSuccess();
+	} else if ( "submit" == $action && $wgRequest->wasPosted() &&
+		$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
+		$f->doSubmit();
+	} else {
+		$f->showForm();
+	}
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class EmailUserForm {
+
+	var $target;
+	var $text, $subject;
+
+	/**
+	 * @param User $target
+	 */
+	function EmailUserForm( $target ) {
+		global $wgRequest;
+		$this->target = $target;
+		$this->text = $wgRequest->getText( 'wpText' );
+		$this->subject = $wgRequest->getText( 'wpSubject' );
+	}
+
+	function showForm() {
+		global $wgOut, $wgUser;
+
+		$wgOut->setPagetitle( wfMsg( "emailpage" ) );
+		$wgOut->addWikiText( wfMsg( "emailpagetext" ) );
+
+		if ( $this->subject === "" ) {
+			$this->subject = wfMsg( "defemailsubject" );
+		}
+
+		$emf = wfMsg( "emailfrom" );
+		$sender = $wgUser->getName();
+		$emt = wfMsg( "emailto" );
+		$rcpt = $this->target->getName();
+		$emr = wfMsg( "emailsubject" );
+		$emm = wfMsg( "emailmessage" );
+		$ems = wfMsg( "emailsend" );
+		$encSubject = htmlspecialchars( $this->subject );
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, "Emailuser" );
+		$action = $titleObj->escapeLocalURL( "target=" .
+			urlencode( $this->target->getName() ) . "&action=submit" );
+		$token = $wgUser->editToken();
+
+		$wgOut->addHTML( "
+<form id=\"emailuser\" method=\"post\" action=\"{$action}\">
+<table border='0' id='mailheader'><tr>
+<td align='right'>{$emf}:</td>
+<td align='left'><strong>" . htmlspecialchars( $sender ) . "</strong></td>
+</tr><tr>
+<td align='right'>{$emt}:</td>
+<td align='left'><strong>" . htmlspecialchars( $rcpt ) . "</strong></td>
+</tr><tr>
+<td align='right'>{$emr}:</td>
+<td align='left'>
+<input type='text' size='60' maxlength='200' name=\"wpSubject\" value=\"{$encSubject}\" />
+</td>
+</tr>
+</table>
+<span id='wpTextLabel'><label for=\"wpText\">{$emm}:</label><br /></span>
+<textarea name=\"wpText\" rows='20' cols='80' wrap='virtual' style=\"width: 100%;\">" . htmlspecialchars( $this->text ) .
+"</textarea>
+<input type='submit' name=\"wpSend\" value=\"{$ems}\" />
+<input type='hidden' name='wpEditToken' value=\"$token\" />
+</form>\n" );
+
+	}
+
+	function doSubmit() {
+		global $wgOut, $wgUser;
+
+		$to = new MailAddress( $this->target );
+		$from = new MailAddress( $wgUser );
+		$subject = $this->subject;
+
+		if( wfRunHooks( 'EmailUser', array( &$to, &$from, &$subject, &$this->text ) ) ) {
+
+			$mailResult = userMailer( $to, $from, $subject, $this->text );
+
+			if( WikiError::isError( $mailResult ) ) {
+				$wgOut->addHTML( wfMsg( "usermailererror" ) . $mailResult);
+			} else {
+				$titleObj = Title::makeTitle( NS_SPECIAL, "Emailuser" );
+				$encTarget = wfUrlencode( $this->target->getName() );
+				$wgOut->redirect( $titleObj->getFullURL( "target={$encTarget}&action=success" ) );
+				wfRunHooks( 'EmailUserComplete', array( $to, $from, $subject, $this->text ) );
+			}
+		}
+	}
+
+	function showSuccess() {
+		global $wgOut;
+
+		$wgOut->setPagetitle( wfMsg( "emailsent" ) );
+		$wgOut->addHTML( wfMsg( "emailsenttext" ) );
+
+		$wgOut->returnToMain( false );
+	}
+}
+?>
diff --git a/includes/SpecialExport.php b/includes/SpecialExport.php
new file mode 100644
index 00000000..73dcbcd5
--- /dev/null
+++ b/includes/SpecialExport.php
@@ -0,0 +1,106 @@
+<?php
+# Copyright (C) 2003 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/** */
+require_once( 'Export.php' );
+
+/**
+ *
+ */
+function wfSpecialExport( $page = '' ) {
+	global $wgOut, $wgRequest, $wgExportAllowListContributors;
+	global $wgExportAllowHistory, $wgExportMaxHistory;
+
+	$curonly = true;
+	if( $wgRequest->getVal( 'action' ) == 'submit') {
+		$page = $wgRequest->getText( 'pages' );
+		$curonly = $wgRequest->getCheck( 'curonly' );
+	}
+	if( $wgRequest->getCheck( 'history' ) ) {
+		$curonly = false;
+	}
+	if( !$wgExportAllowHistory ) {
+		// Override
+		$curonly = true;
+	}
+	
+	$list_authors = $wgRequest->getCheck( 'listauthors' );
+	if ( !$curonly || !$wgExportAllowListContributors ) $list_authors = false ;
+
+	if( $page != '' ) {
+		$wgOut->disable();
+		
+		// Cancel output buffering and gzipping if set
+		// This should provide safer streaming for pages with history
+		while( $status = ob_get_status() ) {
+			ob_end_clean();
+			if( $status['name'] == 'ob_gzhandler' ) {
+				header( 'Content-Encoding:' );
+			}
+		}
+		header( "Content-type: application/xml; charset=utf-8" );
+		$pages = explode( "\n", $page );
+
+		$db =& wfGetDB( DB_SLAVE );
+		$history = $curonly ? MW_EXPORT_CURRENT : MW_EXPORT_FULL;
+		$exporter = new WikiExporter( $db, $history );
+		$exporter->list_authors = $list_authors ;
+		$exporter->openStream();
+		
+		foreach( $pages as $page ) {
+			if( $wgExportMaxHistory && !$curonly ) {
+				$title = Title::newFromText( $page );
+				if( $title ) {
+					$count = Revision::countByTitle( $db, $title );
+					if( $count > $wgExportMaxHistory ) {
+						wfDebug( __FUNCTION__ .
+							": Skipped $page, $count revisions too big\n" );
+						continue;
+					}
+				}
+			}
+			$exporter->pageByName( $page );
+		}
+		
+		$exporter->closeStream();
+		return;
+	}
+
+	$wgOut->addWikiText( wfMsg( "exporttext" ) );
+	$titleObj = Title::makeTitle( NS_SPECIAL, "Export" );
+	
+	$form = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalUrl() ) );
+	$form .= wfOpenElement( 'textarea', array( 'name' => 'pages', 'cols' => 40, 'rows' => 10 ) ) . '</textarea><br />';
+	if( $wgExportAllowHistory ) {
+		$form .= wfCheck( 'curonly', true, array( 'value' => 'true', 'id' => 'curonly' ) );
+		$form .= wfLabel( wfMsg( 'exportcuronly' ), 'curonly' ) . '<br />';
+	} else {
+		$wgOut->addWikiText( wfMsg( 'exportnohistory' ) );
+	}
+	$form .= wfHidden( 'action', 'submit' );
+	$form .= wfSubmitButton( wfMsg( 'export-submit' ) ) . '</form>';
+	$wgOut->addHtml( $form );
+}
+
+?>
diff --git a/includes/SpecialImagelist.php b/includes/SpecialImagelist.php
new file mode 100644
index 00000000..e456abf5
--- /dev/null
+++ b/includes/SpecialImagelist.php
@@ -0,0 +1,121 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+function wfSpecialImagelist() {
+	global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest, $wgMiserMode;
+
+	$sort = $wgRequest->getVal( 'sort' );
+	$wpIlMatch = $wgRequest->getText( 'wpIlMatch' );
+	$dbr =& wfGetDB( DB_SLAVE );
+	$image = $dbr->tableName( 'image' );
+	$sql = "SELECT img_size,img_name,img_user,img_user_text," .
+	  "img_description,img_timestamp FROM $image";
+
+	if ( !$wgMiserMode && !empty( $wpIlMatch ) ) {
+		$nt = Title::newFromUrl( $wpIlMatch );
+		if($nt ) {
+			$m = $dbr->strencode( strtolower( $nt->getDBkey() ) );
+			$m = str_replace( "%", "\\%", $m );
+			$m = str_replace( "_", "\\_", $m );
+			$sql .= " WHERE LCASE(img_name) LIKE '%{$m}%'";
+		}
+	}
+
+	if ( "bysize" == $sort ) {
+		$sql .= " ORDER BY img_size DESC";
+	} else if ( "byname" == $sort ) {
+		$sql .= " ORDER BY img_name";
+	} else {
+		$sort = "bydate";
+		$sql .= " ORDER BY img_timestamp DESC";
+	}
+
+	list( $limit, $offset ) = wfCheckLimits( 50 );
+	$lt = $wgLang->formatNum( "${limit}" );
+	$sql .= " LIMIT {$limit}";
+
+	$wgOut->addWikiText( wfMsg( 'imglegend' ) );
+	$wgOut->addHTML( wfMsgExt( 'imagelisttext', array('parse'), $lt, wfMsg( $sort ) ) );
+
+	$sk = $wgUser->getSkin();
+	$titleObj = Title::makeTitle( NS_SPECIAL, "Imagelist" );
+	$action = $titleObj->escapeLocalURL( "sort={$sort}&limit={$limit}" );
+
+	if ( !$wgMiserMode ) {
+		$wgOut->addHTML( "<form id=\"imagesearch\" method=\"post\" action=\"" .
+		  "{$action}\">" .
+			wfElement( 'input',
+				array(
+					'type' => 'text',
+					'size' => '20',
+					'name' => 'wpIlMatch',
+					'value' => $wpIlMatch, )) .
+			wfElement( 'input',
+				array(
+					'type' => 'submit',
+					'name' => 'wpIlSubmit',
+					'value' => wfMsg( 'ilsubmit'), )) .
+			'</form>' );
+	}
+
+	$here = Title::makeTitle( NS_SPECIAL, 'Imagelist' );
+
+	foreach ( array( 'byname', 'bysize', 'bydate') as $sorttype ) {
+		$urls = null;
+		foreach ( array( 50, 100, 250, 500 ) as $num ) {
+			$urls[] = $sk->makeKnownLinkObj( $here, $wgLang->formatNum( $num ),
+		  "sort={$sorttype}&limit={$num}&wpIlMatch=" . urlencode( $wpIlMatch ) );
+		}
+		$sortlinks[] = wfMsgExt(
+			'showlast',
+			array( 'parseinline', 'replaceafter' ),
+			implode($urls, ' | '),
+			wfMsgExt( $sorttype, array('escape') )
+		);
+	}
+	$wgOut->addHTML( implode( $sortlinks, "<br />\n") . "\n\n<hr />" );
+
+	// lines
+	$wgOut->addHTML( '<p>' );
+	$res = $dbr->query( $sql, "wfSpecialImagelist" );
+
+	while ( $s = $dbr->fetchObject( $res ) ) {
+		$name = $s->img_name;
+		$ut = $s->img_user_text;
+		if ( 0 == $s->img_user ) {
+			$ul = $ut;
+		} else {
+			$ul = $sk->makeLinkObj( Title::makeTitle( NS_USER, $ut ), $ut );
+		}
+
+		$dirmark = $wgContLang->getDirMark(); // to keep text in correct direction
+
+		$ilink = "<a href=\"" . htmlspecialchars( Image::imageUrl( $name ) ) .
+		  "\">" . strtr(htmlspecialchars( $name ), '_', ' ') . "</a>";
+
+		$nb = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $s->img_size ) );
+
+		$desc = $sk->makeKnownLinkObj( Title::makeTitle( NS_IMAGE, $name ),
+		  wfMsg( 'imgdesc' ) );
+
+		$date = $wgLang->timeanddate( $s->img_timestamp, true );
+		$comment = $sk->commentBlock( $s->img_description );
+
+		$l = "({$desc}) {$dirmark}{$ilink} . . {$dirmark}{$nb} . . {$dirmark}{$ul}".
+			" . . {$dirmark}{$date} . . {$dirmark}{$comment}<br />\n";
+		$wgOut->addHTML( $l );
+	}
+
+	$dbr->freeResult( $res );
+	$wgOut->addHTML( '</p>' );
+}
+
+?>
diff --git a/includes/SpecialImport.php b/includes/SpecialImport.php
new file mode 100644
index 00000000..7976d6c8
--- /dev/null
+++ b/includes/SpecialImport.php
@@ -0,0 +1,848 @@
+<?php
+/**
+ * MediaWiki page data importer
+ * Copyright (C) 2003,2005 Brion Vibber <brion@pobox.com>
+ * http://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Constructor
+ */
+function wfSpecialImport( $page = '' ) {
+	global $wgUser, $wgOut, $wgRequest, $wgTitle, $wgImportSources;
+	global $wgImportTargetNamespace;
+
+	$interwiki = false;
+	$namespace = $wgImportTargetNamespace;
+	$frompage = '';
+	$history = true;
+	
+	if( $wgRequest->wasPosted() && $wgRequest->getVal( 'action' ) == 'submit') {
+		$isUpload = false;
+		$namespace = $wgRequest->getIntOrNull( 'namespace' );
+		
+		switch( $wgRequest->getVal( "source" ) ) {
+		case "upload":
+			$isUpload = true;
+			if( $wgUser->isAllowed( 'importupload' ) ) {
+				$source = ImportStreamSource::newFromUpload( "xmlimport" );
+			} else {
+				return $wgOut->permissionRequired( 'importupload' );
+			}
+			break;
+		case "interwiki":
+			$interwiki = $wgRequest->getVal( 'interwiki' );
+			$history = $wgRequest->getCheck( 'interwikiHistory' );
+			$frompage = $wgRequest->getText( "frompage" );
+			$source = ImportStreamSource::newFromInterwiki(
+				$interwiki,
+				$frompage,
+				$history );
+			break;
+		default:
+			$source = new WikiErrorMsg( "importunknownsource" );
+		}
+
+		if( WikiError::isError( $source ) ) {
+			$wgOut->addWikiText( wfEscapeWikiText( $source->getMessage() ) );
+		} else {
+			$wgOut->addWikiText( wfMsg( "importstart" ) );
+			
+			$importer = new WikiImporter( $source );
+			if( !is_null( $namespace ) ) {
+				$importer->setTargetNamespace( $namespace );
+			}
+			$reporter = new ImportReporter( $importer, $isUpload, $interwiki );
+			
+			$reporter->open();
+			$result = $importer->doImport();
+			$reporter->close();
+			
+			if( WikiError::isError( $result ) ) {
+				$wgOut->addWikiText( wfMsg( "importfailed",
+					wfEscapeWikiText( $result->getMessage() ) ) );
+			} else {
+				# Success!
+				$wgOut->addWikiText( wfMsg( "importsuccess" ) );
+			}
+		}
+	}
+
+	$action = $wgTitle->escapeLocalUrl( 'action=submit' );
+
+	if( $wgUser->isAllowed( 'importupload' ) ) {
+		$wgOut->addWikiText( wfMsg( "importtext" ) );
+		$wgOut->addHTML( "
+<fieldset>
+	<legend>" . wfMsgHtml('upload') . "</legend>
+	<form enctype='multipart/form-data' method='post' action=\"$action\">
+		<input type='hidden' name='action' value='submit' />
+		<input type='hidden' name='source' value='upload' />
+		<input type='hidden' name='MAX_FILE_SIZE' value='2000000' />
+		<input type='file' name='xmlimport' value='' size='30' />
+		<input type='submit' value=\"" . wfMsgHtml( "uploadbtn" ) . "\" />
+	</form>
+</fieldset>
+" );
+	} else {
+		if( empty( $wgImportSources ) ) {
+			$wgOut->addWikiText( wfMsg( 'importnosources' ) );
+		}
+	}
+
+	if( !empty( $wgImportSources ) ) {
+		$wgOut->addHTML( "
+<fieldset>
+	<legend>" . wfMsgHtml('importinterwiki') . "</legend>
+	<form method='post' action=\"$action\">" .
+		$wgOut->parse( wfMsg( 'import-interwiki-text' ) ) . "
+		<input type='hidden' name='action' value='submit' />
+		<input type='hidden' name='source' value='interwiki' />
+		<table>
+			<tr>
+				<td>
+					<select name='interwiki'>" );
+		foreach( $wgImportSources as $prefix ) {
+			$iw = htmlspecialchars( $prefix );
+			$selected = ($interwiki === $prefix) ? ' selected="selected"' : '';
+			$wgOut->addHTML( "<option value=\"$iw\"$selected>$iw</option>\n" );
+		}
+		$wgOut->addHTML( "
+					</select>
+				</td>
+				<td>" .
+					wfInput( 'frompage', 50, $frompage ) .
+				"</td>
+			</tr>
+			<tr>
+				<td></td>
+				<td>" .
+					wfCheckLabel( wfMsg( 'import-interwiki-history' ),
+						'interwikiHistory', 'interwikiHistory', $history ) .
+				"</td>
+			</tr>
+			<tr>
+				<td></td>
+				<td>
+					" . wfMsgHtml( 'import-interwiki-namespace' ) . " " .
+						HTMLnamespaceselector( $namespace, '' ) . "
+				</td>
+			</tr>
+			<tr>
+				<td></td>
+				<td>" .
+					wfSubmitButton( wfMsg( 'import-interwiki-submit' ) ) .
+				"</td>
+			</tr>
+		</table>
+	</form>
+</fieldset>
+" );
+	}
+}
+
+/**
+ * Reporting callback
+ */
+class ImportReporter {
+	function __construct( $importer, $upload, $interwiki ) {
+		$importer->setPageOutCallback( array( $this, 'reportPage' ) );
+		$this->mPageCount = 0;
+		$this->mIsUpload = $upload;
+		$this->mInterwiki = $interwiki;
+	}
+	
+	function open() {
+		global $wgOut;
+		$wgOut->addHtml( "<ul>\n" );
+	}
+	
+	function reportPage( $title, $origTitle, $revisionCount ) {
+		global $wgOut, $wgUser, $wgLang, $wgContLang;
+		
+		$skin = $wgUser->getSkin();
+		
+		$this->mPageCount++;
+		
+		$localCount = $wgLang->formatNum( $revisionCount );
+		$contentCount = $wgContLang->formatNum( $revisionCount );
+		
+		$wgOut->addHtml( "<li>" . $skin->makeKnownLinkObj( $title ) .
+			" " .
+			wfMsgHtml( 'import-revision-count', $localCount ) .
+			"</li>\n" );
+		
+		$log = new LogPage( 'import' );
+		if( $this->mIsUpload ) {
+			$detail = wfMsgForContent( 'import-logentry-upload-detail',
+				$contentCount );
+			$log->addEntry( 'upload', $title, $detail );
+		} else {
+			$interwiki = '[[:' . $this->mInterwiki . ':' .
+				$origTitle->getPrefixedText() . ']]';
+			$detail = wfMsgForContent( 'import-logentry-interwiki-detail',
+				$contentCount, $interwiki );
+			$log->addEntry( 'interwiki', $title, $detail );
+		}
+		
+		$comment = $detail; // quick
+		$dbw = wfGetDB( DB_MASTER );
+		$nullRevision = Revision::newNullRevision(
+			$dbw, $title->getArticleId(), $comment, true );
+		$nullRevId = $nullRevision->insertOn( $dbw );
+	}
+	
+	function close() {
+		global $wgOut;
+		if( $this->mPageCount == 0 ) {
+			$wgOut->addHtml( "<li>" . wfMsgHtml( 'importnopages' ) . "</li>\n" );
+		}
+		$wgOut->addHtml( "</ul>\n" );
+	}
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class WikiRevision {
+	var $title = null;
+	var $id = 0;
+	var $timestamp = "20010115000000";
+	var $user = 0;
+	var $user_text = "";
+	var $text = "";
+	var $comment = "";
+	var $minor = false;
+
+	function setTitle( $title ) {
+		if( is_object( $title ) ) {
+			$this->title = $title;
+		} elseif( is_null( $title ) ) {
+			throw new MWException( "WikiRevision given a null title in import." );
+		} else {
+			throw new MWException( "WikiRevision given non-object title in import." );
+		}
+	}
+
+	function setID( $id ) {
+		$this->id = $id;
+	}
+
+	function setTimestamp( $ts ) {
+		# 2003-08-05T18:30:02Z
+		$this->timestamp = wfTimestamp( TS_MW, $ts );
+	}
+
+	function setUsername( $user ) {
+		$this->user_text = $user;
+	}
+
+	function setUserIP( $ip ) {
+		$this->user_text = $ip;
+	}
+
+	function setText( $text ) {
+		$this->text = $text;
+	}
+
+	function setComment( $text ) {
+		$this->comment = $text;
+	}
+
+	function setMinor( $minor ) {
+		$this->minor = (bool)$minor;
+	}
+
+	function getTitle() {
+		return $this->title;
+	}
+
+	function getID() { 
+		return $this->id;
+	}
+
+	function getTimestamp() {
+		return $this->timestamp;
+	}
+
+	function getUser() {
+		return $this->user_text;
+	}
+
+	function getText() {
+		return $this->text;
+	}
+
+	function getComment() {
+		return $this->comment;
+	}
+
+	function getMinor() {
+		return $this->minor;
+	}
+
+	function importOldRevision() {
+		$fname = "WikiImporter::importOldRevision";
+		$dbw =& wfGetDB( DB_MASTER );
+
+		# Sneak a single revision into place
+		$user = User::newFromName( $this->getUser() );
+		if( $user ) {
+			$userId = intval( $user->getId() );
+			$userText = $user->getName();
+		} else {
+			$userId = 0;
+			$userText = $this->getUser();
+		}
+
+		// avoid memory leak...?
+		$linkCache =& LinkCache::singleton();
+		$linkCache->clear();
+
+		$article = new Article( $this->title );
+		$pageId = $article->getId();
+		if( $pageId == 0 ) {
+			# must create the page...
+			$pageId = $article->insertOn( $dbw );
+			$created = true;
+		} else {
+			$created = false;
+		}
+
+		# FIXME: Check for exact conflicts
+		# FIXME: Use original rev_id optionally
+		# FIXME: blah blah blah
+
+		#if( $numrows > 0 ) {
+		#	return wfMsg( "importhistoryconflict" );
+		#}
+
+		# Insert the row
+		$revision = new Revision( array(
+			'page'       => $pageId,
+			'text'       => $this->getText(),
+			'comment'    => $this->getComment(),
+			'user'       => $userId,
+			'user_text'  => $userText,
+			'timestamp'  => $this->timestamp,
+			'minor_edit' => $this->minor,
+			) );
+		$revId = $revision->insertOn( $dbw );
+		$changed = $article->updateIfNewerOn( $dbw, $revision );
+
+		if( $created ) {
+			wfDebug( __METHOD__ . ": running onArticleCreate\n" );
+			Article::onArticleCreate( $this->title );
+		} else {
+			if( $changed ) {
+				wfDebug( __METHOD__ . ": running onArticleEdit\n" );
+				Article::onArticleEdit( $this->title );
+			}
+		}
+		if( $created || $changed ) {
+			wfDebug( __METHOD__ . ": running edit updates\n" );
+			$article->editUpdates(
+				$this->getText(),
+				$this->getComment(),
+				$this->minor,
+				$this->timestamp,
+				$revId );
+		}
+		
+		return true;
+	}
+
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class WikiImporter {
+	var $mSource = null;
+	var $mPageCallback = null;
+	var $mPageOutCallback = null;
+	var $mRevisionCallback = null;
+	var $mTargetNamespace = null;
+	var $lastfield;
+
+	function WikiImporter( $source ) {
+		$this->setRevisionCallback( array( &$this, "importRevision" ) );
+		$this->mSource = $source;
+	}
+
+	function throwXmlError( $err ) {
+		$this->debug( "FAILURE: $err" );
+		wfDebug( "WikiImporter XML error: $err\n" );
+	}
+
+	# --------------
+
+	function doImport() {
+		if( empty( $this->mSource ) ) {
+			return new WikiErrorMsg( "importnotext" );
+		}
+
+		$parser = xml_parser_create( "UTF-8" );
+
+		# case folding violates XML standard, turn it off
+		xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
+
+		xml_set_object( $parser, $this );
+		xml_set_element_handler( $parser, "in_start", "" );
+
+		$offset = 0; // for context extraction on error reporting
+		do {
+			$chunk = $this->mSource->readChunk();
+			if( !xml_parse( $parser, $chunk, $this->mSource->atEnd() ) ) {
+				wfDebug( "WikiImporter::doImport encountered XML parsing error\n" );
+				return new WikiXmlError( $parser, 'XML import parse failure', $chunk, $offset );
+			}
+			$offset += strlen( $chunk );
+		} while( $chunk !== false && !$this->mSource->atEnd() );
+		xml_parser_free( $parser );
+
+		return true;
+	}
+
+	function debug( $data ) {
+		#wfDebug( "IMPORT: $data\n" );
+	}
+
+	function notice( $data ) {
+		global $wgCommandLineMode;
+		if( $wgCommandLineMode ) {
+			print "$data\n";
+		} else {
+			global $wgOut;
+			$wgOut->addHTML( "<li>$data</li>\n" );
+		}
+	}
+
+	/**
+	 * Sets the action to perform as each new page in the stream is reached.
+	 * @param callable $callback
+	 * @return callable
+	 */
+	function setPageCallback( $callback ) {
+		$previous = $this->mPageCallback;
+		$this->mPageCallback = $callback;
+		return $previous;
+	}
+
+	/**
+	 * Sets the action to perform as each page in the stream is completed.
+	 * Callback accepts the page title (as a Title object), a second object
+	 * with the original title form (in case it's been overridden into a
+	 * local namespace), and a count of revisions.
+	 *
+	 * @param callable $callback
+	 * @return callable
+	 */
+	function setPageOutCallback( $callback ) {
+		$previous = $this->mPageOutCallback;
+		$this->mPageOutCallback = $callback;
+		return $previous;
+	}
+
+	/**
+	 * Sets the action to perform as each page revision is reached.
+	 * @param callable $callback
+	 * @return callable
+	 */
+	function setRevisionCallback( $callback ) {
+		$previous = $this->mRevisionCallback;
+		$this->mRevisionCallback = $callback;
+		return $previous;
+	}
+	
+	/**
+	 * Set a target namespace to override the defaults
+	 */
+	function setTargetNamespace( $namespace ) {
+		if( is_null( $namespace ) ) {
+			// Don't override namespaces
+			$this->mTargetNamespace = null;
+		} elseif( $namespace >= 0 ) {
+			// FIXME: Check for validity
+			$this->mTargetNamespace = intval( $namespace );
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Default per-revision callback, performs the import.
+	 * @param WikiRevision $revision
+	 * @private
+	 */
+	function importRevision( &$revision ) {
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->deadlockLoop( array( &$revision, 'importOldRevision' ) );
+	}
+
+	/**
+	 * Alternate per-revision callback, for debugging.
+	 * @param WikiRevision $revision
+	 * @private
+	 */
+	function debugRevisionHandler( &$revision ) {
+		$this->debug( "Got revision:" );
+		if( is_object( $revision->title ) ) {
+			$this->debug( "-- Title: " . $revision->title->getPrefixedText() );
+		} else {
+			$this->debug( "-- Title: <invalid>" );
+		}
+		$this->debug( "-- User: " . $revision->user_text );
+		$this->debug( "-- Timestamp: " . $revision->timestamp );
+		$this->debug( "-- Comment: " . $revision->comment );
+		$this->debug( "-- Text: " . $revision->text );
+	}
+
+	/**
+	 * Notify the callback function when a new <page> is reached.
+	 * @param Title $title
+	 * @private
+	 */
+	function pageCallback( $title ) {
+		if( is_callable( $this->mPageCallback ) ) {
+			call_user_func( $this->mPageCallback, $title );
+		}
+	}
+
+	/**
+	 * Notify the callback function when a </page> is closed.
+	 * @param Title $title
+	 * @param Title $origTitle
+	 * @param int $revisionCount
+	 * @private
+	 */
+	function pageOutCallback( $title, $origTitle, $revisionCount ) {
+		if( is_callable( $this->mPageOutCallback ) ) {
+			call_user_func( $this->mPageOutCallback, $title, $origTitle,
+				$revisionCount );
+		}
+	}
+
+
+	# XML parser callbacks from here out -- beware!
+	function donothing( $parser, $x, $y="" ) {
+		#$this->debug( "donothing" );
+	}
+
+	function in_start( $parser, $name, $attribs ) {
+		$this->debug( "in_start $name" );
+		if( $name != "mediawiki" ) {
+			return $this->throwXMLerror( "Expected <mediawiki>, got <$name>" );
+		}
+		xml_set_element_handler( $parser, "in_mediawiki", "out_mediawiki" );
+	}
+
+	function in_mediawiki( $parser, $name, $attribs ) {
+		$this->debug( "in_mediawiki $name" );
+		if( $name == 'siteinfo' ) {
+			xml_set_element_handler( $parser, "in_siteinfo", "out_siteinfo" );
+		} elseif( $name == 'page' ) {
+			$this->workRevisionCount = 0;
+			xml_set_element_handler( $parser, "in_page", "out_page" );
+		} else {
+			return $this->throwXMLerror( "Expected <page>, got <$name>" );
+		}
+	}
+	function out_mediawiki( $parser, $name ) {
+		$this->debug( "out_mediawiki $name" );
+		if( $name != "mediawiki" ) {
+			return $this->throwXMLerror( "Expected </mediawiki>, got </$name>" );
+		}
+		xml_set_element_handler( $parser, "donothing", "donothing" );
+	}
+
+
+	function in_siteinfo( $parser, $name, $attribs ) {
+		// no-ops for now
+		$this->debug( "in_siteinfo $name" );
+		switch( $name ) {
+		case "sitename":
+		case "base":
+		case "generator":
+		case "case":
+		case "namespaces":
+		case "namespace":
+			break;
+		default:
+			return $this->throwXMLerror( "Element <$name> not allowed in <siteinfo>." );
+		}
+	}
+
+	function out_siteinfo( $parser, $name ) {
+		if( $name == "siteinfo" ) {
+			xml_set_element_handler( $parser, "in_mediawiki", "out_mediawiki" );
+		}
+	}
+
+
+	function in_page( $parser, $name, $attribs ) {
+		$this->debug( "in_page $name" );
+		switch( $name ) {
+		case "id":
+		case "title":
+		case "restrictions":
+			$this->appendfield = $name;
+			$this->appenddata = "";
+			$this->parenttag = "page";
+			xml_set_element_handler( $parser, "in_nothing", "out_append" );
+			xml_set_character_data_handler( $parser, "char_append" );
+			break;
+		case "revision":
+			$this->workRevision = new WikiRevision;
+			$this->workRevision->setTitle( $this->pageTitle );
+			$this->workRevisionCount++;
+			xml_set_element_handler( $parser, "in_revision", "out_revision" );
+			break;
+		default:
+			return $this->throwXMLerror( "Element <$name> not allowed in a <page>." );
+		}
+	}
+
+	function out_page( $parser, $name ) {
+		$this->debug( "out_page $name" );
+		if( $name != "page" ) {
+			return $this->throwXMLerror( "Expected </page>, got </$name>" );
+		}
+		xml_set_element_handler( $parser, "in_mediawiki", "out_mediawiki" );
+
+		$this->pageOutCallback( $this->pageTitle, $this->origTitle,
+			$this->workRevisionCount );
+		
+		$this->workTitle = null;
+		$this->workRevision = null;
+		$this->workRevisionCount = 0;
+		$this->pageTitle = null;
+		$this->origTitle = null;
+	}
+
+	function in_nothing( $parser, $name, $attribs ) {
+		$this->debug( "in_nothing $name" );
+		return $this->throwXMLerror( "No child elements allowed here; got <$name>" );
+	}
+	function char_append( $parser, $data ) {
+		$this->debug( "char_append '$data'" );
+		$this->appenddata .= $data;
+	}
+	function out_append( $parser, $name ) {
+		$this->debug( "out_append $name" );
+		if( $name != $this->appendfield ) {
+			return $this->throwXMLerror( "Expected </{$this->appendfield}>, got </$name>" );
+		}
+		xml_set_element_handler( $parser, "in_$this->parenttag", "out_$this->parenttag" );
+		xml_set_character_data_handler( $parser, "donothing" );
+
+		switch( $this->appendfield ) {
+		case "title":
+			$this->workTitle = $this->appenddata;
+			$this->origTitle = Title::newFromText( $this->workTitle );
+			if( !is_null( $this->mTargetNamespace ) && !is_null( $this->origTitle ) ) {
+				$this->pageTitle = Title::makeTitle( $this->mTargetNamespace,
+					$this->origTitle->getDbKey() );
+			} else {
+				$this->pageTitle = Title::newFromText( $this->workTitle );
+			}
+			$this->pageCallback( $this->workTitle );
+			break;
+		case "id":
+			if ( $this->parenttag == 'revision' ) {
+				$this->workRevision->setID( $this->appenddata );
+			}
+			break;
+		case "text":
+			$this->workRevision->setText( $this->appenddata );
+			break;
+		case "username":
+			$this->workRevision->setUsername( $this->appenddata );
+			break;
+		case "ip":
+			$this->workRevision->setUserIP( $this->appenddata );
+			break;
+		case "timestamp":
+			$this->workRevision->setTimestamp( $this->appenddata );
+			break;
+		case "comment":
+			$this->workRevision->setComment( $this->appenddata );
+			break;
+		case "minor":
+			$this->workRevision->setMinor( true );
+			break;
+		default:
+			$this->debug( "Bad append: {$this->appendfield}" );
+		}
+		$this->appendfield = "";
+		$this->appenddata = "";
+	}
+
+	function in_revision( $parser, $name, $attribs ) {
+		$this->debug( "in_revision $name" );
+		switch( $name ) {
+		case "id":
+		case "timestamp":
+		case "comment":
+		case "minor":
+		case "text":
+			$this->parenttag = "revision";
+			$this->appendfield = $name;
+			xml_set_element_handler( $parser, "in_nothing", "out_append" );
+			xml_set_character_data_handler( $parser, "char_append" );
+			break;
+		case "contributor":
+			xml_set_element_handler( $parser, "in_contributor", "out_contributor" );
+			break;
+		default:
+			return $this->throwXMLerror( "Element <$name> not allowed in a <revision>." );
+		}
+	}
+
+	function out_revision( $parser, $name ) {
+		$this->debug( "out_revision $name" );
+		if( $name != "revision" ) {
+			return $this->throwXMLerror( "Expected </revision>, got </$name>" );
+		}
+		xml_set_element_handler( $parser, "in_page", "out_page" );
+
+		$out = call_user_func_array( $this->mRevisionCallback,
+			array( &$this->workRevision, &$this ) );
+		if( !empty( $out ) ) {
+			global $wgOut;
+			$wgOut->addHTML( "<li>" . $out . "</li>\n" );
+		}
+	}
+
+	function in_contributor( $parser, $name, $attribs ) {
+		$this->debug( "in_contributor $name" );
+		switch( $name ) {
+		case "username":
+		case "ip":
+		case "id":
+			$this->parenttag = "contributor";
+			$this->appendfield = $name;
+			xml_set_element_handler( $parser, "in_nothing", "out_append" );
+			xml_set_character_data_handler( $parser, "char_append" );
+			break;
+		default:
+			$this->throwXMLerror( "Invalid tag <$name> in <contributor>" );
+		}
+	}
+
+	function out_contributor( $parser, $name ) {
+		$this->debug( "out_contributor $name" );
+		if( $name != "contributor" ) {
+			return $this->throwXMLerror( "Expected </contributor>, got </$name>" );
+		}
+		xml_set_element_handler( $parser, "in_revision", "out_revision" );
+	}
+
+}
+
+/** @package MediaWiki */
+class ImportStringSource {
+	function ImportStringSource( $string ) {
+		$this->mString = $string;
+		$this->mRead = false;
+	}
+
+	function atEnd() {
+		return $this->mRead;
+	}
+
+	function readChunk() {
+		if( $this->atEnd() ) {
+			return false;
+		} else {
+			$this->mRead = true;
+			return $this->mString;
+		}
+	}
+}
+
+/** @package MediaWiki */
+class ImportStreamSource {
+	function ImportStreamSource( $handle ) {
+		$this->mHandle = $handle;
+	}
+
+	function atEnd() {
+		return feof( $this->mHandle );
+	}
+
+	function readChunk() {
+		return fread( $this->mHandle, 32768 );
+	}
+
+	function newFromFile( $filename ) {
+		$file = @fopen( $filename, 'rt' );
+		if( !$file ) {
+			return new WikiErrorMsg( "importcantopen" );
+		}
+		return new ImportStreamSource( $file );
+	}
+
+	function newFromUpload( $fieldname = "xmlimport" ) {
+		$upload =& $_FILES[$fieldname];
+
+		if( !isset( $upload ) || !$upload['name'] ) {
+			return new WikiErrorMsg( 'importnofile' );
+		}
+		if( !empty( $upload['error'] ) ) {
+			return new WikiErrorMsg( 'importuploaderror', $upload['error'] );
+		}
+		$fname = $upload['tmp_name'];
+		if( is_uploaded_file( $fname ) ) {
+			return ImportStreamSource::newFromFile( $fname );
+		} else {
+			return new WikiErrorMsg( 'importnofile' );
+		}
+	}
+
+	function newFromURL( $url ) {
+		wfDebug( __METHOD__ . ": opening $url\n" );
+		# fopen-wrappers are normally turned off for security.
+		ini_set( "allow_url_fopen", true );
+		$ret = ImportStreamSource::newFromFile( $url );
+		ini_set( "allow_url_fopen", false );
+		return $ret;
+	}
+
+	function newFromInterwiki( $interwiki, $page, $history=false ) {
+		$base = Title::getInterwikiLink( $interwiki );
+		$link = Title::newFromText( "$interwiki:Special:Export/$page" );
+		if( empty( $base ) || empty( $link ) ) {
+			return new WikiErrorMsg( 'importbadinterwiki' );
+		} else {
+			$params = $history ? 'history=1' : '';
+			$url = $link->getFullUrl( $params );
+			return ImportStreamSource::newFromURL( $url );
+		}
+	}
+}
+
+
+?>
diff --git a/includes/SpecialIpblocklist.php b/includes/SpecialIpblocklist.php
new file mode 100644
index 00000000..cc5c805c
--- /dev/null
+++ b/includes/SpecialIpblocklist.php
@@ -0,0 +1,255 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * @todo document
+ */
+function wfSpecialIpblocklist() {
+	global $wgUser, $wgOut, $wgRequest;
+
+	$ip = $wgRequest->getVal( 'wpUnblockAddress', $wgRequest->getVal( 'ip' ) );
+	$reason = $wgRequest->getText( 'wpUnblockReason' );
+	$action = $wgRequest->getText( 'action' );
+
+	$ipu = new IPUnblockForm( $ip, $reason );
+
+	if ( "success" == $action ) {
+		$ipu->showList( wfMsgWikiHtml( 'unblocked', htmlspecialchars( $ip ) ) );
+	} else if ( "submit" == $action && $wgRequest->wasPosted() &&
+		$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
+		if ( ! $wgUser->isAllowed('block') ) {
+			$wgOut->sysopRequired();
+			return;
+		}
+		$ipu->doSubmit();
+	} else if ( "unblock" == $action ) {
+		$ipu->showForm( "" );
+	} else {
+		$ipu->showList( "" );
+	}
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class IPUnblockForm {
+	var $ip, $reason;
+
+	function IPUnblockForm( $ip, $reason ) {
+		$this->ip = $ip;
+		$this->reason = $reason;
+	}
+
+	function showForm( $err ) {
+		global $wgOut, $wgUser, $wgSysopUserBans;
+
+		$wgOut->setPagetitle( wfMsg( 'unblockip' ) );
+		$wgOut->addWikiText( wfMsg( 'unblockiptext' ) );
+
+		$ipa = wfMsgHtml( $wgSysopUserBans ? 'ipadressorusername' : 'ipaddress' );
+		$ipr = wfMsgHtml( 'ipbreason' );
+		$ipus = wfMsgHtml( 'ipusubmit' );
+		$titleObj = Title::makeTitle( NS_SPECIAL, "Ipblocklist" );
+		$action = $titleObj->escapeLocalURL( "action=submit" );
+
+		if ( "" != $err ) {
+			$wgOut->setSubtitle( wfMsg( "formerror" ) );
+			$wgOut->addWikitext( "<span class='error'>{$err}</span>\n" );
+		}
+		$token = htmlspecialchars( $wgUser->editToken() );
+
+		$wgOut->addHTML( "
+<form id=\"unblockip\" method=\"post\" action=\"{$action}\">
+	<table border='0'>
+		<tr>
+			<td align='right'>{$ipa}:</td>
+			<td align='left'>
+				<input tabindex='1' type='text' size='20' name=\"wpUnblockAddress\" value=\"" . htmlspecialchars( $this->ip ) . "\" />
+			</td>
+		</tr>
+		<tr>
+			<td align='right'>{$ipr}:</td>
+			<td align='left'>
+				<input tabindex='1' type='text' size='40' name=\"wpUnblockReason\" value=\"" . htmlspecialchars( $this->reason ) . "\" />
+			</td>
+		</tr>
+		<tr>
+			<td>&nbsp;</td>
+			<td align='left'>
+				<input tabindex='2' type='submit' name=\"wpBlock\" value=\"{$ipus}\" />
+			</td>
+		</tr>
+	</table>
+	<input type='hidden' name='wpEditToken' value=\"{$token}\" />
+</form>\n" );
+
+	}
+
+	function doSubmit() {
+		global $wgOut;
+
+		$block = new Block();
+		$this->ip = trim( $this->ip );
+
+		if ( $this->ip{0} == "#" ) {
+			$block->mId = substr( $this->ip, 1 );
+		} else {
+			$block->mAddress = $this->ip;
+		}
+
+		# Delete block (if it exists)
+		# We should probably check for errors rather than just declaring success
+		$block->delete();
+
+		# Make log entry
+		$log = new LogPage( 'block' );
+		$log->addEntry( 'unblock', Title::makeTitle( NS_USER, $this->ip ), $this->reason );
+
+		# Report to the user
+		$titleObj = Title::makeTitle( NS_SPECIAL, "Ipblocklist" );
+		$success = $titleObj->getFullURL( "action=success&ip=" . urlencode( $this->ip ) );
+		$wgOut->redirect( $success );
+	}
+
+	function showList( $msg ) {
+		global $wgOut;
+
+		$wgOut->setPagetitle( wfMsg( "ipblocklist" ) );
+		if ( "" != $msg ) {
+			$wgOut->setSubtitle( $msg );
+		}
+		global $wgRequest;
+		list( $this->limit, $this->offset ) = $wgRequest->getLimitOffset();
+		$this->counter = 0;
+
+		$paging = '<p>' . wfViewPrevNext( $this->offset, $this->limit,
+			Title::makeTitle( NS_SPECIAL, 'Ipblocklist' ),
+			'ip=' . urlencode( $this->ip ) ) . "</p>\n";
+		$wgOut->addHTML( $paging );
+
+		$search = $this->searchForm();
+		$wgOut->addHTML( $search );
+		
+		$wgOut->addHTML( "<ul>" );
+		if( !Block::enumBlocks( array( &$this, "addRow" ), 0 ) ) {
+			// FIXME hack to solve #bug 1487
+			$wgOut->addHTML( '<li>'.wfMsgHtml( 'ipblocklistempty' ).'</li>' );
+		}
+		$wgOut->addHTML( "</ul>\n" );
+		$wgOut->addHTML( $paging );
+	}
+
+	function searchForm() {
+		global $wgTitle;
+		return
+			wfElement( 'form', array(
+				'action' => $wgTitle->getLocalUrl() ),
+				null ) .
+			wfElement( 'input', array(
+				'type' => 'hidden',
+				'name' => 'action',
+				'value' => 'search' ) ).
+			wfElement( 'input', array(
+				'type' => 'hidden',
+				'name' => 'limit',
+				'value' => $this->limit ) ).
+			wfElement( 'input', array(
+				'name' => 'ip',
+				'value' => $this->ip ) ) .
+			wfElement( 'input', array(
+				'type' => 'submit',
+				'value' => wfMsg( 'search' ) ) ) .
+			'</form>';
+	}
+
+	/**
+	 * Callback function to output a block
+	 */
+	function addRow( $block, $tag ) {
+		global $wgOut, $wgUser, $wgLang;
+
+		if( $this->ip != '' ) {
+			if( $block->mAuto ) {
+				if( stristr( $block->mId, $this->ip ) == false ) {
+					return;
+				}
+			} else {
+				if( stristr( $block->mAddress, $this->ip ) == false ) {
+					return;
+				}
+			}
+		}
+
+		// Loading blocks is fast; displaying them is slow.
+		// Quick hack for paging.
+		$this->counter++;
+		if( $this->counter <= $this->offset ) {
+			return;
+		}
+		if( $this->counter - $this->offset > $this->limit ) {
+			return;
+		}
+
+		$fname = 'IPUnblockForm-addRow';
+		wfProfileIn( $fname );
+
+		static $sk=null, $msg=null;
+
+		if( is_null( $sk ) )
+			$sk = $wgUser->getSkin();
+		if( is_null( $msg ) ) {
+			$msg = array();
+			foreach( array( 'infiniteblock', 'expiringblock', 'contribslink', 'unblocklink' ) as $key ) {
+				$msg[$key] = wfMsgHtml( $key );
+			}
+			$msg['blocklistline'] = wfMsg( 'blocklistline' );
+			$msg['contribslink'] = wfMsg( 'contribslink' );
+		}
+
+
+		# Prepare links to the blocker's user and talk pages
+		$blocker_name = $block->getByName();
+		$blocker = $sk->MakeLinkObj( Title::makeTitle( NS_USER, $blocker_name ), $blocker_name );
+		$blocker .= ' (' . $sk->makeLinkObj( Title::makeTitle( NS_USER_TALK, $blocker_name ), $wgLang->getNsText( NS_TALK ) ) . ')';
+
+		# Prepare links to the block target's user and contribs. pages (as applicable, don't do it for autoblocks)
+		if( $block->mAuto ) {
+			$target = '#' . $block->mId; # Hide the IP addresses of auto-blocks; privacy
+		} else {
+			$target = $sk->makeLinkObj( Title::makeTitle( NS_USER, $block->mAddress ), $block->mAddress );
+			$target .= ' (' . $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ), $msg['contribslink'], 'target=' . urlencode( $block->mAddress ) ) . ')';
+		}
+		
+		# Prep the address for the unblock link, masking autoblocks as before
+		$addr = $block->mAuto ? '#' . $block->mId : $block->mAddress;
+		
+		$formattedTime = $wgLang->timeanddate( $block->mTimestamp, true );
+
+		if ( $block->mExpiry === "" ) {
+			$formattedExpiry = $msg['infiniteblock'];
+		} else {
+			$formattedExpiry = wfMsgReplaceArgs( $msg['expiringblock'],
+				array( $wgLang->timeanddate( $block->mExpiry, true ) ) );
+		}
+
+		$line = wfMsgReplaceArgs( $msg['blocklistline'], array( $formattedTime, $blocker, $target, $formattedExpiry ) );
+
+		$wgOut->addHTML( "<li>{$line}" );
+
+		if ( $wgUser->isAllowed('block') ) {
+			$titleObj = Title::makeTitle( NS_SPECIAL, "Ipblocklist" );
+			$wgOut->addHTML( ' (' . $sk->makeKnownLinkObj($titleObj, $msg['unblocklink'], 'action=unblock&ip=' . urlencode( $addr ) ) . ')' );
+		}
+		$wgOut->addHTML( $sk->commentBlock( $block->mReason ) );
+		$wgOut->addHTML( "</li>\n" );
+		wfProfileOut( $fname );
+	}
+}
+
+?>
diff --git a/includes/SpecialListredirects.php b/includes/SpecialListredirects.php
new file mode 100644
index 00000000..3cbdedab
--- /dev/null
+++ b/includes/SpecialListredirects.php
@@ -0,0 +1,69 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Rob Church <robchur@gmail.com>
+ * @copyright © 2006 Rob Church
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+class ListredirectsPage extends QueryPage {
+
+	function getName() { return( 'Listredirects' ); }
+	function isExpensive() { return( true ); }
+	function isSyndicated() { return( false ); }
+	function sortDescending() { return( false ); }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$page = $dbr->tableName( 'page' );
+		$sql = "SELECT 'Listredirects' AS type, page_title AS title, page_namespace AS namespace, 0 AS value FROM $page WHERE page_is_redirect = 1";
+		return( $sql );
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang;
+	
+		# Make a link to the redirect itself
+		$rd_title = Title::makeTitle( $result->namespace, $result->title );
+		$rd_link = $skin->makeKnownLinkObj( $rd_title, '', 'redirect=no' );
+
+		# Find out where the redirect leads
+		$revision = Revision::newFromTitle( $rd_title );
+		if( $revision ) {
+			# Make a link to the destination page
+			$target = Title::newFromRedirect( $revision->getText() );
+			if( $target ) {
+				$targetLink = $skin->makeLinkObj( $target );
+			} else {
+				/** @todo Put in some decent error display here */
+				$targetLink = '*';
+			}
+		} else {
+			/** @todo Put in some decent error display here */
+			$targetLink = '*';
+		}
+
+		# Check the language; RTL wikis need a &larr;
+		$arr = $wgContLang->isRTL() ? ' &larr; ' : ' &rarr; ';
+
+		# Format the whole thing and return it
+		return( $rd_link . $arr . $targetLink );
+
+	}
+
+}
+
+function wfSpecialListredirects() {
+	list( $limit, $offset ) = wfCheckLimits();
+	$lrp = new ListredirectsPage();
+	$lrp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialListusers.php b/includes/SpecialListusers.php
new file mode 100644
index 00000000..20b26b63
--- /dev/null
+++ b/includes/SpecialListusers.php
@@ -0,0 +1,235 @@
+<?php
+
+# Copyright (C) 2004 Brion Vibber, lcrocker, Tim Starling,
+# Domas Mituzas, Ashar Voultoiz, Jens Frank, Zhengzhu.
+#
+# © 2006 Rob Church <robchur@gmail.com>
+#
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * This class is used to get a list of user. The ones with specials
+ * rights (sysop, bureaucrat, developer) will have them displayed
+ * next to their names.
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class ListUsersPage extends QueryPage {
+	var $requestedGroup = '';
+	var $requestedUser = '';
+
+	function getName() {
+		return 'Listusers';
+	}
+	function isSyndicated() { return false; }
+
+	/**
+	 * Not expensive, this class won't work properly with the caching system anyway
+	 */
+	function isExpensive() {
+		return false;
+	}
+
+	/**
+	 * Fetch user page links and cache their existence
+	 */
+	function preprocessResults( &$db, &$res ) {
+		$batch = new LinkBatch;
+		while ( $row = $db->fetchObject( $res ) ) {
+			$batch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
+		}
+		$batch->execute();
+
+		// Back to start for display
+		if( $db->numRows( $res ) > 0 ) {
+			// If there are no rows we get an error seeking.
+			$db->dataSeek( $res, 0 );
+		}
+	}
+
+	/**
+	 * Show a drop down list to select a group as well as a user name
+	 * search box.
+	 * @todo localize
+	 */
+	function getPageHeader( ) {
+		$self = $this->getTitle();
+
+		# Form tag
+		$out = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $self->getLocalUrl() ) );
+		
+		# Group drop-down list
+		$out .= wfElement( 'label', array( 'for' => 'group' ), wfMsg( 'group' ) ) . ' ';
+		$out .= wfOpenElement( 'select', array( 'name' => 'group' ) );
+		$out .= wfElement( 'option', array( 'value' => '' ), wfMsg( 'group-all' ) ); # Item for "all groups"
+		$groups = User::getAllGroups();
+		foreach( $groups as $group ) {
+			$attribs = array( 'value' => $group );
+			if( $group == $this->requestedGroup )
+				$attribs['selected'] = 'selected';
+			$out .= wfElement( 'option', $attribs, User::getGroupName( $group ) );
+		}
+		$out .= wfCloseElement( 'select' ) . ' ';;# . wfElement( 'br' );
+
+		# Username field
+		$out .= wfElement( 'label', array( 'for' => 'username' ), wfMsg( 'specialloguserlabel' ) ) . ' ';
+		$out .= wfElement( 'input', array( 'type' => 'text', 'id' => 'username', 'name' => 'username',
+							'value' => $this->requestedUser ) ) . ' ';
+
+		# Preserve offset and limit
+		if( $this->offset )
+			$out .= wfElement( 'input', array( 'type' => 'hidden', 'name' => 'offset', 'value' => $this->offset ) );
+		if( $this->limit )
+			$out .= wfElement( 'input', array( 'type' => 'hidden', 'name' => 'limit', 'value' => $this->limit ) );
+
+		# Submit button and form bottom
+		$out .= wfElement( 'input', array( 'type' => 'submit', 'value' => wfMsg( 'allpagessubmit' ) ) );
+		$out .= wfCloseElement( 'form' );
+
+		return $out;
+	}
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$user = $dbr->tableName( 'user' );
+		$user_groups = $dbr->tableName( 'user_groups' );
+
+		// We need to get an 'atomic' list of users, so that we
+		// don't break the list half-way through a user's group set
+		// and so that lists by group will show all group memberships.
+		//
+		// On MySQL 4.1 we could use GROUP_CONCAT to grab group
+		// assignments together with users pretty easily. On other
+		// versions, it's not so easy to do it consistently.
+		// For now we'll just grab the number of memberships, so
+		// we can then do targetted checks on those who are in
+		// non-default groups as we go down the list.
+
+		$userspace = NS_USER;
+		$sql = "SELECT 'Listusers' as type, $userspace AS namespace, user_name AS title, " .
+			"user_name as value, user_id, COUNT(ug_group) as numgroups " .
+			"FROM $user ".
+			"LEFT JOIN $user_groups ON user_id=ug_user " .
+			$this->userQueryWhere( $dbr ) .
+			" GROUP BY user_name";
+
+		return $sql;
+	}
+
+	function userQueryWhere( &$dbr ) {
+		$conds = $this->userQueryConditions();
+		return empty( $conds )
+			? ""
+			: "WHERE " . $dbr->makeList( $conds, LIST_AND );
+	}
+
+	function userQueryConditions() {
+		$conds = array();
+		if( $this->requestedGroup != '' ) {
+			$conds['ug_group'] = $this->requestedGroup;
+		}
+		if( $this->requestedUser != '' ) {
+			$conds['user_name'] = $this->requestedUser;
+		}
+		return $conds;
+	}
+
+	function linkParameters() {
+		$conds = array();
+		if( $this->requestedGroup != '' ) {
+			$conds['group'] = $this->requestedGroup;
+		}
+		if( $this->requestedUser != '' ) {
+			$conds['username'] = $this->requestedUser;
+		}
+		return $conds;
+	}
+
+	function sortDescending() {
+		return false;
+	}
+
+	function formatResult( $skin, $result ) {
+		$userPage = Title::makeTitle( $result->namespace, $result->title );
+		$name = $skin->makeLinkObj( $userPage, htmlspecialchars( $userPage->getText() ) );
+		$groups = null;
+
+		if( !isset( $result->numgroups ) || $result->numgroups > 0 ) {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$result = $dbr->select( 'user_groups',
+				array( 'ug_group' ),
+				array( 'ug_user' => $result->user_id ),
+				'ListUsersPage::formatResult' );
+			$groups = array();
+			while( $row = $dbr->fetchObject( $result ) ) {
+				$groups[$row->ug_group] = User::getGroupMember( $row->ug_group );
+			}
+			$dbr->freeResult( $result );
+
+			if( count( $groups ) > 0 ) {
+				foreach( $groups as $group => $desc ) {
+					if( $page = User::getGroupPage( $group ) ) {
+						$list[] = $skin->makeLinkObj( $page, htmlspecialchars( $desc ) );
+					} else {
+						$list[] = htmlspecialchars( $desc );
+					}
+				}
+				$groups = implode( ', ', $list );
+			} else {
+				$groups = '';
+			}				
+
+		}
+
+		return wfSpecialList( $name, $groups );
+	}
+}
+
+/**
+ * constructor
+ * $par string (optional) A group to list users from
+ */
+function wfSpecialListusers( $par = null ) {
+	global $wgRequest, $wgContLang;
+
+	list( $limit, $offset ) = wfCheckLimits();
+
+
+	$slu = new ListUsersPage();
+
+	/**
+	 * Get some parameters
+	 */
+	$groupTarget = isset($par) ? $par : $wgRequest->getVal( 'group' );
+	$slu->requestedGroup = $groupTarget;
+
+	# 'Validate' the username first
+	$username = $wgRequest->getText( 'username', '' );
+	$user = User::newFromName( $username );
+	$slu->requestedUser = is_object( $user ) ? $user->getName() : '';
+
+	return $slu->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialLockdb.php b/includes/SpecialLockdb.php
new file mode 100644
index 00000000..38d715be
--- /dev/null
+++ b/includes/SpecialLockdb.php
@@ -0,0 +1,118 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Constructor
+ */
+function wfSpecialLockdb() {
+	global $wgUser, $wgOut, $wgRequest;
+
+	if ( ! $wgUser->isAllowed('siteadmin') ) {
+		$wgOut->developerRequired();
+		return;
+	}
+	$action = $wgRequest->getVal( 'action' );
+	$f = new DBLockForm();
+
+	if ( 'success' == $action ) {
+		$f->showSuccess();
+	} else if ( 'submit' == $action && $wgRequest->wasPosted() &&
+		$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
+		$f->doSubmit();
+	} else {
+		$f->showForm( '' );
+	}
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class DBLockForm {
+	var $reason = '';
+
+	function DBLockForm() {
+		global $wgRequest;
+		$this->reason = $wgRequest->getText( 'wpLockReason' );
+	}
+
+	function showForm( $err ) {
+		global $wgOut, $wgUser;
+
+		$wgOut->setPagetitle( wfMsg( 'lockdb' ) );
+		$wgOut->addWikiText( wfMsg( 'lockdbtext' ) );
+
+		if ( "" != $err ) {
+			$wgOut->setSubtitle( wfMsg( 'formerror' ) );
+			$wgOut->addHTML( '<p class="error">' . htmlspecialchars( $err ) . "</p>\n" );
+		}
+		$lc = htmlspecialchars( wfMsg( 'lockconfirm' ) );
+		$lb = htmlspecialchars( wfMsg( 'lockbtn' ) );
+		$elr = htmlspecialchars( wfMsg( 'enterlockreason' ) );
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Lockdb' );
+		$action = $titleObj->escapeLocalURL( 'action=submit' );
+		$token = htmlspecialchars( $wgUser->editToken() );
+
+		$wgOut->addHTML( <<<END
+<form id="lockdb" method="post" action="{$action}">
+{$elr}:
+<textarea name="wpLockReason" rows="10" cols="60" wrap="virtual"></textarea>
+<table border="0">
+	<tr>
+		<td align="right">
+			<input type="checkbox" name="wpLockConfirm" />
+		</td>
+		<td align="left">{$lc}</td>
+	</tr>
+	<tr>
+		<td>&nbsp;</td>
+		<td align="left">
+			<input type="submit" name="wpLock" value="{$lb}" />
+		</td>
+	</tr>
+</table>
+<input type="hidden" name="wpEditToken" value="{$token}" />
+</form>
+END
+);
+
+	}
+
+	function doSubmit() {
+		global $wgOut, $wgUser, $wgLang, $wgRequest;
+		global $wgReadOnlyFile;
+
+		if ( ! $wgRequest->getCheck( 'wpLockConfirm' ) ) {
+			$this->showForm( wfMsg( 'locknoconfirm' ) );
+			return;
+		}
+		$fp = fopen( $wgReadOnlyFile, 'w' );
+
+		if ( false === $fp ) {
+			$wgOut->showFileNotFoundError( $wgReadOnlyFile );
+			return;
+		}
+		fwrite( $fp, $this->reason );
+		fwrite( $fp, "\n<p>(by " . $wgUser->getName() . " at " .
+		  $wgLang->timeanddate( wfTimestampNow() ) . ")\n" );
+		fclose( $fp );
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Lockdb' );
+		$wgOut->redirect( $titleObj->getFullURL( 'action=success' ) );
+	}
+
+	function showSuccess() {
+		global $wgOut;
+
+		$wgOut->setPagetitle( wfMsg( 'lockdb' ) );
+		$wgOut->setSubtitle( wfMsg( 'lockdbsuccesssub' ) );
+		$wgOut->addWikiText( wfMsg( 'lockdbsuccesstext' ) );
+	}
+}
+
+?>
diff --git a/includes/SpecialLog.php b/includes/SpecialLog.php
new file mode 100644
index 00000000..a9e8573a
--- /dev/null
+++ b/includes/SpecialLog.php
@@ -0,0 +1,427 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * constructor
+ */
+function wfSpecialLog( $par = '' ) {
+	global $wgRequest;
+	$logReader =& new LogReader( $wgRequest );
+	if( $wgRequest->getVal( 'type' ) == '' && $par != '' ) {
+		$logReader->limitType( $par );
+	}
+	$logViewer =& new LogViewer( $logReader );
+	$logViewer->show();
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class LogReader {
+	var $db, $joinClauses, $whereClauses;
+	var $type = '', $user = '', $title = null;
+
+	/**
+	 * @param WebRequest $request For internal use use a FauxRequest object to pass arbitrary parameters.
+	 */
+	function LogReader( $request ) {
+		$this->db =& wfGetDB( DB_SLAVE );
+		$this->setupQuery( $request );
+	}
+
+	/**
+	 * Basic setup and applies the limiting factors from the WebRequest object.
+	 * @param WebRequest $request
+	 * @private
+	 */
+	function setupQuery( $request ) {
+		$page = $this->db->tableName( 'page' );
+		$user = $this->db->tableName( 'user' );
+		$this->joinClauses = array( 
+			"LEFT OUTER JOIN $page ON log_namespace=page_namespace AND log_title=page_title",
+			"INNER JOIN $user ON user_id=log_user" );
+		$this->whereClauses = array();
+
+		$this->limitType( $request->getVal( 'type' ) );
+		$this->limitUser( $request->getText( 'user' ) );
+		$this->limitTitle( $request->getText( 'page' ) );
+		$this->limitTime( $request->getVal( 'from' ), '>=' );
+		$this->limitTime( $request->getVal( 'until' ), '<=' );
+
+		list( $this->limit, $this->offset ) = $request->getLimitOffset();
+	}
+
+	/**
+	 * Set the log reader to return only entries of the given type.
+	 * @param string $type A log type ('upload', 'delete', etc)
+	 * @private
+	 */
+	function limitType( $type ) {
+		if( empty( $type ) ) {
+			return false;
+		}
+		$this->type = $type;
+		$safetype = $this->db->strencode( $type );
+		$this->whereClauses[] = "log_type='$safetype'";
+	}
+
+	/**
+	 * Set the log reader to return only entries by the given user.
+	 * @param string $name (In)valid user name
+	 * @private
+	 */
+	function limitUser( $name ) {
+		if ( $name == '' )
+			return false;
+		$usertitle = Title::makeTitle( NS_USER, $name );
+		if ( is_null( $usertitle ) )
+			return false;
+		$this->user = $usertitle->getText();
+		
+		/* Fetch userid at first, if known, provides awesome query plan afterwards */
+		$userid = $this->db->selectField('user','user_id',array('user_name'=>$this->user));
+		if (!$userid)
+			/* It should be nicer to abort query at all, 
+			   but for now it won't pass anywhere behind the optimizer */
+			$this->whereClauses[] = "NULL";
+		else
+			$this->whereClauses[] = "log_user=$userid";
+	}
+
+	/**
+	 * Set the log reader to return only entries affecting the given page.
+	 * (For the block and rights logs, this is a user page.)
+	 * @param string $page Title name as text
+	 * @private
+	 */
+	function limitTitle( $page ) {
+		$title = Title::newFromText( $page );
+		if( empty( $page ) || is_null( $title )  ) {
+			return false;
+		}
+		$this->title =& $title;
+		$safetitle = $this->db->strencode( $title->getDBkey() );
+		$ns = $title->getNamespace();
+		$this->whereClauses[] = "log_namespace=$ns AND log_title='$safetitle'";
+	}
+
+	/**
+	 * Set the log reader to return only entries in a given time range.
+	 * @param string $time Timestamp of one endpoint
+	 * @param string $direction either ">=" or "<=" operators
+	 * @private
+	 */
+	function limitTime( $time, $direction ) {
+		# Direction should be a comparison operator
+		if( empty( $time ) ) {
+			return false;
+		}
+		$safetime = $this->db->strencode( wfTimestamp( TS_MW, $time ) );
+		$this->whereClauses[] = "log_timestamp $direction '$safetime'";
+	}
+
+	/**
+	 * Build an SQL query from all the set parameters.
+	 * @return string the SQL query
+	 * @private
+	 */
+	function getQuery() {
+		$logging = $this->db->tableName( "logging" );
+		$user = $this->db->tableName( 'user' );
+		$sql = "SELECT /*! STRAIGHT_JOIN */ log_type, log_action, log_timestamp,
+			log_user, user_name,
+			log_namespace, log_title, page_id,
+			log_comment, log_params FROM $logging ";
+		if( !empty( $this->joinClauses ) ) {
+			$sql .= implode( ' ', $this->joinClauses );
+		}
+		if( !empty( $this->whereClauses ) ) {
+			$sql .= " WHERE " . implode( ' AND ', $this->whereClauses );
+		}
+		$sql .= " ORDER BY log_timestamp DESC ";
+		$sql = $this->db->limitResult($sql, $this->limit, $this->offset );
+		return $sql;
+	}
+
+	/**
+	 * Execute the query and start returning results.
+	 * @return ResultWrapper result object to return the relevant rows
+	 */
+	function getRows() {
+		$res = $this->db->query( $this->getQuery(), 'LogReader::getRows' );
+		return $this->db->resultObject( $res );
+	}
+
+	/**
+	 * @return string The query type that this LogReader has been limited to.
+	 */
+	function queryType() {
+		return $this->type;
+	}
+
+	/**
+	 * @return string The username type that this LogReader has been limited to, if any.
+	 */
+	function queryUser() {
+		return $this->user;
+	}
+
+	/**
+	 * @return string The text of the title that this LogReader has been limited to.
+	 */
+	function queryTitle() {
+		if( is_null( $this->title ) ) {
+			return '';
+		} else {
+			return $this->title->getPrefixedText();
+		}
+	}
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class LogViewer {
+	/**
+	 * @var LogReader $reader
+	 */
+	var $reader;
+	var $numResults = 0;
+
+	/**
+	 * @param LogReader &$reader where to get our data from
+	 */
+	function LogViewer( &$reader ) {
+		global $wgUser;
+		$this->skin =& $wgUser->getSkin();
+		$this->reader =& $reader;
+	}
+
+	/**
+	 * Take over the whole output page in $wgOut with the log display.
+	 */
+	function show() {
+		global $wgOut;
+		$this->showHeader( $wgOut );
+		$this->showOptions( $wgOut );
+		$result = $this->getLogRows();
+		$this->showPrevNext( $wgOut );
+		$this->doShowList( $wgOut, $result );
+		$this->showPrevNext( $wgOut );
+	}
+
+	/**
+	 * Load the data from the linked LogReader
+	 * Preload the link cache
+	 * Initialise numResults
+	 *
+	 * Must be called before calling showPrevNext
+	 *
+	 * @return object database result set
+	 */
+	function getLogRows() {
+		$result = $this->reader->getRows();
+		$this->numResults = 0;
+
+		// Fetch results and form a batch link existence query
+		$batch = new LinkBatch;
+		while ( $s = $result->fetchObject() ) {
+			// User link
+			$title = Title::makeTitleSafe( NS_USER, $s->user_name );
+			$batch->addObj( $title );
+
+			// Move destination link
+			if ( $s->log_type == 'move' ) {
+				$paramArray = LogPage::extractParams( $s->log_params );
+				$title = Title::newFromText( $paramArray[0] );
+				$batch->addObj( $title );
+			}
+			++$this->numResults;
+		}
+		$batch->execute();
+
+		return $result;
+	}
+
+
+	/**
+	 * Output just the list of entries given by the linked LogReader,
+	 * with extraneous UI elements. Use for displaying log fragments in
+	 * another page (eg at Special:Undelete)
+	 * @param OutputPage $out where to send output
+	 */
+	function showList( &$out ) {
+		$this->doShowList( $out, $this->getLogRows() );
+	}
+
+	function doShowList( &$out, $result ) {
+		// Rewind result pointer and go through it again, making the HTML
+		if ($this->numResults > 0) {
+			$html = "\n<ul>\n";
+			$result->seek( 0 );
+			while( $s = $result->fetchObject() ) {
+				$html .= $this->logLine( $s );
+			}
+			$html .= "\n</ul>\n";
+			$out->addHTML( $html );
+		} else {
+			$out->addWikiText( wfMsg( 'logempty' ) );
+		}
+		$result->free();
+	}
+
+	/**
+	 * @param Object $s a single row from the result set
+	 * @return string Formatted HTML list item
+	 * @private
+	 */
+	function logLine( $s ) {
+		global $wgLang;
+		$title = Title::makeTitle( $s->log_namespace, $s->log_title );
+		$user = Title::makeTitleSafe( NS_USER, $s->user_name );
+		$time = $wgLang->timeanddate( wfTimestamp(TS_MW, $s->log_timestamp), true );
+
+		// Enter the existence or non-existence of this page into the link cache,
+		// for faster makeLinkObj() in LogPage::actionText()
+		$linkCache =& LinkCache::singleton();
+		if( $s->page_id ) {
+			$linkCache->addGoodLinkObj( $s->page_id, $title );
+		} else {
+			$linkCache->addBadLinkObj( $title );
+		}
+
+		$userLink = $this->skin->userLink( $s->log_user, $s->user_name ) . $this->skin->userToolLinks( $s->log_user, $s->user_name );
+		$comment = $this->skin->commentBlock( $s->log_comment );
+		$paramArray = LogPage::extractParams( $s->log_params );
+		$revert = '';
+		if ( $s->log_type == 'move' && isset( $paramArray[0] ) ) {
+			$specialTitle = Title::makeTitle( NS_SPECIAL, 'Movepage' );
+			$destTitle = Title::newFromText( $paramArray[0] );
+			if ( $destTitle ) {
+				$revert = '(' . $this->skin->makeKnownLinkObj( $specialTitle, wfMsg( 'revertmove' ),
+					'wpOldTitle=' . urlencode( $destTitle->getPrefixedDBkey() ) .
+					'&wpNewTitle=' . urlencode( $title->getPrefixedDBkey() ) .
+					'&wpReason=' . urlencode( wfMsgForContent( 'revertmove' ) ) .
+					'&wpMovetalk=0' ) . ')';
+			}
+		}
+
+		$action = LogPage::actionText( $s->log_type, $s->log_action, $title, $this->skin, $paramArray, true, true );
+		$out = "<li>$time $userLink $action $comment $revert</li>\n";
+		return $out;
+	}
+
+	/**
+	 * @param OutputPage &$out where to send output
+	 * @private
+	 */
+	function showHeader( &$out ) {
+		$type = $this->reader->queryType();
+		if( LogPage::isLogType( $type ) ) {
+			$out->setPageTitle( LogPage::logName( $type ) );
+			$out->addWikiText( LogPage::logHeader( $type ) );
+		}
+	}
+
+	/**
+	 * @param OutputPage &$out where to send output
+	 * @private
+	 */
+	function showOptions( &$out ) {
+		global $wgScript;
+		$action = htmlspecialchars( $wgScript );
+		$title = Title::makeTitle( NS_SPECIAL, 'Log' );
+		$special = htmlspecialchars( $title->getPrefixedDBkey() );
+		$out->addHTML( "<form action=\"$action\" method=\"get\">\n" .
+			"<input type='hidden' name='title' value=\"$special\" />\n" .
+			$this->getTypeMenu() .
+			$this->getUserInput() .
+			$this->getTitleInput() .
+			"<input type='submit' value=\"" . wfMsg( 'allpagessubmit' ) . "\" />" .
+			"</form>" );
+	}
+
+	/**
+	 * @return string Formatted HTML
+	 * @private
+	 */
+	function getTypeMenu() {
+		$out = "<select name='type'>\n";
+		foreach( LogPage::validTypes() as $type ) {
+			$text = htmlspecialchars( LogPage::logName( $type ) );
+			$selected = ($type == $this->reader->queryType()) ? ' selected="selected"' : '';
+			$out .= "<option value=\"$type\"$selected>$text</option>\n";
+		}
+		$out .= "</select>\n";
+		return $out;
+	}
+
+	/**
+	 * @return string Formatted HTML
+	 * @private
+	 */
+	function getUserInput() {
+		$user = htmlspecialchars( $this->reader->queryUser() );
+		return wfMsg('specialloguserlabel') . "<input type='text' name='user' size='12' value=\"$user\" />\n";
+	}
+
+	/**
+	 * @return string Formatted HTML
+	 * @private
+	 */
+	function getTitleInput() {
+		$title = htmlspecialchars( $this->reader->queryTitle() );
+		return wfMsg('speciallogtitlelabel') . "<input type='text' name='page' size='20' value=\"$title\" />\n";
+	}
+
+	/**
+	 * @param OutputPage &$out where to send output
+	 * @private
+	 */
+	function showPrevNext( &$out ) {
+		global $wgContLang,$wgRequest;
+		$pieces = array();
+		$pieces[] = 'type=' . urlencode( $this->reader->queryType() );
+		$pieces[] = 'user=' . urlencode( $this->reader->queryUser() );
+		$pieces[] = 'page=' . urlencode( $this->reader->queryTitle() );
+		$bits = implode( '&', $pieces );
+		list( $limit, $offset ) = $wgRequest->getLimitOffset();
+
+		# TODO: use timestamps instead of offsets to make it more natural
+		# to go huge distances in time
+		$html = wfViewPrevNext( $offset, $limit,
+			$wgContLang->specialpage( 'Log' ),
+			$bits,
+			$this->numResults < $limit);
+		$out->addHTML( '<p>' . $html . '</p>' );
+	}
+}
+
+
+?>
diff --git a/includes/SpecialLonelypages.php b/includes/SpecialLonelypages.php
new file mode 100644
index 00000000..326ae54d
--- /dev/null
+++ b/includes/SpecialLonelypages.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class LonelyPagesPage extends PageQueryPage {
+
+	function getName() {
+		return "Lonelypages";
+	}
+
+	function sortDescending() {
+		return false;
+	}
+
+	function isExpensive() {
+		return true;
+	}
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'pagelinks' ) );
+
+		return
+		  "SELECT 'Lonelypages'  AS type,
+		          page_namespace AS namespace,
+		          page_title     AS title,
+		          page_title     AS value
+		     FROM $page
+		LEFT JOIN $pagelinks
+		       ON page_namespace=pl_namespace AND page_title=pl_title
+		    WHERE pl_namespace IS NULL
+		      AND page_namespace=".NS_MAIN."
+		      AND page_is_redirect=0";
+
+	}
+}
+
+/**
+ * Constructor
+ */
+function wfSpecialLonelypages() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$lpp = new LonelyPagesPage();
+
+	return $lpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialLongpages.php b/includes/SpecialLongpages.php
new file mode 100644
index 00000000..af56c17c
--- /dev/null
+++ b/includes/SpecialLongpages.php
@@ -0,0 +1,41 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once( 'SpecialShortpages.php' );
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class LongPagesPage extends ShortPagesPage {
+
+	function getName() {
+		return "Longpages";
+	}
+
+	function sortDescending() {
+		return true;
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialLongpages()
+{
+    list( $limit, $offset ) = wfCheckLimits();
+
+    $lpp = new LongPagesPage();
+
+    $lpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialMIMEsearch.php b/includes/SpecialMIMEsearch.php
new file mode 100644
index 00000000..cbbe6f93
--- /dev/null
+++ b/includes/SpecialMIMEsearch.php
@@ -0,0 +1,155 @@
+<?php
+/**
+ * A special page to search for files by MIME type as defined in the
+ * img_major_mime and img_minor_mime fields in the image table
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class MIMEsearchPage extends QueryPage {
+	var $major, $minor;
+
+	function MIMEsearchPage( $major, $minor ) {
+		$this->major = $major;
+		$this->minor = $minor;
+	}
+
+	function getName() { return 'MIMEsearch'; }
+
+	/**
+	 * Due to this page relying upon extra fields being passed in the SELECT it
+	 * will fail if it's set as expensive and misermode is on
+	 */
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function linkParameters() {
+		$arr = array( $this->major, $this->minor );
+		$mime = implode( '/', $arr );
+		return array( 'mime' => $mime );
+	}
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$image = $dbr->tableName( 'image' );
+		$major = $dbr->addQuotes( $this->major );
+		$minor = $dbr->addQuotes( $this->minor );
+
+		return
+			"SELECT 'MIMEsearch' AS type,
+				" . NS_IMAGE . " AS namespace,
+				img_name AS title,
+				img_major_mime AS value,
+
+				img_size,
+				img_width,
+				img_height,
+				img_user_text,
+				img_timestamp
+			FROM $image
+			WHERE img_major_mime = $major AND img_minor_mime = $minor
+			";
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang, $wgLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getText() );
+		$plink = $skin->makeLink( $nt->getPrefixedText(), $text );
+
+		$download = $skin->makeMediaLink( $nt->getText(), 'fuck me!', wfMsgHtml( 'download' ) );
+		$bytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $result->img_size ) );
+		$dimensions = wfMsg( 'widthheight', $wgLang->formatNum( $result->img_width ),
+			$wgLang->formatNum( $result->img_height ) );
+		$user = $skin->makeLinkObj( Title::makeTitle( NS_USER, $result->img_user_text ), $result->img_user_text );
+		$time = $wgLang->timeanddate( $result->img_timestamp );
+
+		return "($download) $plink . . $dimensions . . $bytes . . $user . . $time";
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMIMEsearch( $par = null ) {
+	global $wgRequest, $wgTitle, $wgOut;
+
+	$mime = isset( $par ) ? $par : $wgRequest->getText( 'mime' );
+
+	$wgOut->addHTML(
+		wfElement( 'form',
+			array(
+				'id' => 'specialmimesearch',
+				'method' => 'get',
+				'action' => $wgTitle->escapeLocalUrl()
+			),
+			null
+		) .
+			wfOpenElement( 'label' ) .
+				wfMsgHtml( 'mimetype' ) .
+				wfElement( 'input', array(
+						'type' => 'text',
+						'size' => 20,
+						'name' => 'mime',
+						'value' => $mime
+					),
+					''
+				) .
+				' ' .
+				wfElement( 'input', array(
+						'type' => 'submit',
+						'value' => wfMsg( 'ilsubmit' )
+					),
+					''
+				) .
+			wfCloseElement( 'label' ) .
+		wfCloseElement( 'form' )
+	);
+
+	list( $major, $minor ) = wfSpecialMIMEsearchParse( $mime );
+	if ( $major == '' or $minor == '' or !wfSpecialMIMEsearchValidType( $major ) )
+		return;
+	$wpp = new MIMEsearchPage( $major, $minor );
+
+	list( $limit, $offset ) = wfCheckLimits();
+	$wpp->doQuery( $offset, $limit );
+}
+
+function wfSpecialMIMEsearchParse( $str ) {
+	wfSuppressWarnings();
+	list( $major, $minor ) = explode( '/', $str, 2 );
+	wfRestoreWarnings();
+
+	return array(
+		ltrim( $major, ' ' ),
+		rtrim( $minor, ' ' )
+	);
+}
+
+function wfSpecialMIMEsearchValidType( $type ) {
+	// From maintenance/tables.sql => img_major_mime
+	$types = array(
+		'unknown',
+		'application',
+		'audio',
+		'image',
+		'text',
+		'video',
+		'message',
+		'model',
+		'multipart'
+	);
+
+	return in_array( $type, $types );
+}
+?>
diff --git a/includes/SpecialMostcategories.php b/includes/SpecialMostcategories.php
new file mode 100644
index 00000000..5591bbc4
--- /dev/null
+++ b/includes/SpecialMostcategories.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class MostcategoriesPage extends QueryPage {
+
+	function getName() { return 'Mostcategories'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'categorylinks', 'page' ) );
+		return
+			"
+			SELECT
+			 	'Mostcategories' as type,
+				page_namespace as namespace,
+				page_title as title,
+				COUNT(*) as value
+			FROM $categorylinks
+			LEFT JOIN $page ON cl_from = page_id
+			WHERE page_namespace = " . NS_MAIN . "
+			GROUP BY cl_from
+			HAVING COUNT(*) > 1
+			";
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang, $wgLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getPrefixedText() );
+
+		$plink = $skin->makeKnownLink( $nt->getPrefixedText(), $text );
+
+		$nl = wfMsgExt( 'ncategories', array( 'parsemag', 'escape' ),
+			$wgLang->formatNum( $result->value ) );
+
+		$nlink = $skin->makeKnownLink( $wgContLang->specialPage( 'Categories' ),
+			$nl, 'article=' . $nt->getPrefixedURL() );
+
+		return wfSpecialList($plink, $nlink);
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMostcategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new MostcategoriesPage();
+
+	$wpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialMostimages.php b/includes/SpecialMostimages.php
new file mode 100644
index 00000000..30fbdddf
--- /dev/null
+++ b/includes/SpecialMostimages.php
@@ -0,0 +1,64 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class MostimagesPage extends QueryPage {
+
+	function getName() { return 'Mostimages'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'imagelinks' ) );
+		return
+			"
+			SELECT
+				'Mostimages' as type,
+				" . NS_IMAGE . " as namespace,
+				il_to as title,
+				COUNT(*) as value
+			FROM $imagelinks
+			GROUP BY il_to
+			HAVING COUNT(*) > 1
+			";
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getPrefixedText() );
+
+		$plink = $skin->makeKnownLink( $nt->getPrefixedText(), $text );
+
+		$nl = wfMsgExt( 'nlinks', array( 'parsemag', 'escape'),
+			$wgLang->formatNum ( $result->value ) );
+		$nlink = $skin->makeKnownLink( $nt->getPrefixedText() . '#filelinks', $nl );
+
+		return wfSpecialList($plink, $nlink);
+	}
+}
+
+/**
+ * Constructor
+ */
+function wfSpecialMostimages() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new MostimagesPage();
+
+	$wpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialMostlinked.php b/includes/SpecialMostlinked.php
new file mode 100644
index 00000000..ccccc1a4
--- /dev/null
+++ b/includes/SpecialMostlinked.php
@@ -0,0 +1,98 @@
+<?php
+
+/**
+ * A special page to show pages ordered by the number of pages linking to them
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @author Rob Church <robchur@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @copyright © 2006 Rob Church
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class MostlinkedPage extends QueryPage {
+
+	function getName() { return 'Mostlinked'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	/**
+	 * Note: Getting page_namespace only works if $this->isCached() is false
+	 */
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'pagelinks', 'page' ) );
+		return
+			"SELECT 'Mostlinked' AS type,
+				pl_namespace AS namespace,
+				pl_title AS title,
+				COUNT(*) AS value,
+				page_namespace
+			FROM $pagelinks
+			LEFT JOIN $page ON pl_namespace=page_namespace AND pl_title=page_title
+			GROUP BY pl_namespace,pl_title
+			HAVING COUNT(*) > 1";
+	}
+
+	/**
+	 * Pre-fill the link cache
+	 */
+	function preprocessResults( &$dbr, $res ) {
+		if( $dbr->numRows( $res ) > 0 ) {
+			$linkBatch = new LinkBatch();
+			while( $row = $dbr->fetchObject( $res ) )
+				$linkBatch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
+			$dbr->dataSeek( $res, 0 );
+			$linkBatch->execute();
+		}
+	}
+
+	/**
+	 * Make a link to "what links here" for the specified title
+	 *
+	 * @param $title Title being queried
+	 * @param $skin Skin to use
+	 * @return string
+	 */
+	function makeWlhLink( &$title, $caption, &$skin ) {
+		$wlh = Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' );
+		return $skin->makeKnownLinkObj( $wlh, $caption, 'target=' . $title->getPrefixedUrl() );
+	}
+
+	/**
+	 * Make links to the page corresponding to the item, and the "what links here" page for it
+	 *
+	 * @param $skin Skin to be used
+	 * @param $result Result row
+	 * @return string
+	 */
+	function formatResult( $skin, $result ) {
+		global $wgLang;
+		$title = Title::makeTitleSafe( $result->namespace, $result->title );
+		$link = $skin->makeLinkObj( $title );
+		$wlh = $this->makeWlhLink( $title,
+			wfMsgExt( 'nlinks', array( 'parsemag', 'escape'),
+				$wgLang->formatNum( $result->value ) ), $skin );
+		return wfSpecialList( $link, $wlh );
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMostlinked() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new MostlinkedPage();
+
+	$wpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialMostlinkedcategories.php b/includes/SpecialMostlinkedcategories.php
new file mode 100644
index 00000000..0944d2f8
--- /dev/null
+++ b/includes/SpecialMostlinkedcategories.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ * A querypage to show categories ordered in descending order by the pages  in them
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class MostlinkedCategoriesPage extends QueryPage {
+
+	function getName() { return 'Mostlinkedcategories'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'categorylinks', 'page' ) );
+		$name = $dbr->addQuotes( $this->getName() );
+		return
+			"
+			SELECT
+				$name as type,
+				" . NS_CATEGORY . " as namespace,
+				cl_to as title,
+				COUNT(*) as value
+			FROM $categorylinks
+			GROUP BY cl_to
+			";
+	}
+
+	function sortDescending() { return true; }
+
+	/**
+	 * Fetch user page links and cache their existence
+	 */
+	function preprocessResults( &$db, &$res ) {
+		$batch = new LinkBatch;
+		while ( $row = $db->fetchObject( $res ) )
+			$batch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
+		$batch->execute();
+
+		// Back to start for display
+		if ( $db->numRows( $res ) > 0 )
+			// If there are no rows we get an error seeking.
+			$db->dataSeek( $res, 0 );
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getText() );
+
+		$plink = $skin->makeLinkObj( $nt, htmlspecialchars( $text ) );
+
+		$nlinks = wfMsgExt( 'nmembers', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $result->value ) );
+		return wfSpecialList($plink, $nlinks);
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMostlinkedCategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new MostlinkedCategoriesPage();
+
+	$wpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialMostrevisions.php b/includes/SpecialMostrevisions.php
new file mode 100644
index 00000000..81a49c99
--- /dev/null
+++ b/includes/SpecialMostrevisions.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * A special page to show pages in the
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class MostrevisionsPage extends QueryPage {
+
+	function getName() { return 'Mostrevisions'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'revision', 'page' ) );
+		return
+			"
+			SELECT
+				'Mostrevisions' as type,
+				page_namespace as namespace,
+				page_title as title,
+				COUNT(*) as value
+			FROM $revision
+			LEFT JOIN $page ON page_id = rev_page
+			WHERE page_namespace = " . NS_MAIN . "
+			GROUP BY rev_page
+			HAVING COUNT(*) > 1
+			";
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getPrefixedText() );
+
+		$plink = $skin->makeKnownLinkObj( $nt, $text );
+
+		$nl = wfMsgExt( 'nrevisions', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $result->value ) );
+		$nlink = $skin->makeKnownLinkObj( $nt, $nl, 'action=history' );
+
+		return wfSpecialList($plink, $nlink);
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMostrevisions() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new MostrevisionsPage();
+
+	$wpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialMovepage.php b/includes/SpecialMovepage.php
new file mode 100644
index 00000000..39397129
--- /dev/null
+++ b/includes/SpecialMovepage.php
@@ -0,0 +1,283 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Constructor
+ */
+function wfSpecialMovepage( $par = null ) {
+	global $wgUser, $wgOut, $wgRequest, $action, $wgOnlySysopMayMove;
+
+	# check rights. We don't want newbies to move pages to prevents possible attack
+	if ( !$wgUser->isAllowed( 'move' ) or $wgUser->isBlocked() or ($wgOnlySysopMayMove and $wgUser->isNewbie())) {
+		$wgOut->showErrorPage( "movenologin", "movenologintext" );
+		return;
+	}
+	# We don't move protected pages
+	if ( wfReadOnly() ) {
+		$wgOut->readOnlyPage();
+		return;
+	}
+
+	$f = new MovePageForm( $par );
+
+	if ( 'success' == $action ) {
+		$f->showSuccess();
+	} else if ( 'submit' == $action && $wgRequest->wasPosted()
+		&& $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
+		$f->doSubmit();
+	} else {
+		$f->showForm( '' );
+	}
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class MovePageForm {
+	var $oldTitle, $newTitle, $reason; # Text input
+	var $moveTalk, $deleteAndMove;
+
+	function MovePageForm( $par ) {
+		global $wgRequest;
+		$target = isset($par) ? $par : $wgRequest->getVal( 'target' );
+		$this->oldTitle = $wgRequest->getText( 'wpOldTitle', $target );
+		$this->newTitle = $wgRequest->getText( 'wpNewTitle' );
+		$this->reason = $wgRequest->getText( 'wpReason' );
+		$this->moveTalk = $wgRequest->getBool( 'wpMovetalk', true );
+		$this->deleteAndMove = $wgRequest->getBool( 'wpDeleteAndMove' ) && $wgRequest->getBool( 'wpConfirm' );
+	}
+
+	function showForm( $err ) {
+		global $wgOut, $wgUser;
+
+		$wgOut->setPagetitle( wfMsg( 'movepage' ) );
+
+		$ot = Title::newFromURL( $this->oldTitle );
+		if( is_null( $ot ) ) {
+			$wgOut->showErrorPage( 'notargettitle', 'notargettext' );
+			return;
+		}
+		$oldTitle = $ot->getPrefixedText();
+
+		$encOldTitle = htmlspecialchars( $oldTitle );
+		if( $this->newTitle == '' ) {
+			# Show the current title as a default
+			# when the form is first opened.
+			$encNewTitle = $encOldTitle;
+		} else {
+			if( $err == '' ) {
+				$nt = Title::newFromURL( $this->newTitle );
+				if( $nt ) {
+					# If a title was supplied, probably from the move log revert
+					# link, check for validity. We can then show some diagnostic
+					# information and save a click.
+					$newerr = $ot->isValidMoveOperation( $nt );
+					if( is_string( $newerr ) ) {
+						$err = $newerr;
+					}
+				}
+			}
+			$encNewTitle = htmlspecialchars( $this->newTitle );
+		}
+		$encReason = htmlspecialchars( $this->reason );
+
+		if ( $err == 'articleexists' && $wgUser->isAllowed( 'delete' ) ) {
+			$wgOut->addWikiText( wfMsg( 'delete_and_move_text', $encNewTitle ) );
+			$movepagebtn = wfMsgHtml( 'delete_and_move' );
+			$confirmText = wfMsgHtml( 'delete_and_move_confirm' );
+			$submitVar = 'wpDeleteAndMove';
+			$confirm = "
+				<tr>
+					<td align='right'>
+						<input type='checkbox' name='wpConfirm' id='wpConfirm' value=\"true\" />
+					</td>
+					<td align='left'><label for='wpConfirm'>{$confirmText}</label></td>
+				</tr>";
+			$err = '';
+		} else {
+			$wgOut->addWikiText( wfMsg( 'movepagetext' ) );
+			$movepagebtn = wfMsgHtml( 'movepagebtn' );
+			$submitVar = 'wpMove';
+			$confirm = false;
+		}
+
+		$oldTalk = $ot->getTalkPage();
+		$considerTalk = ( !$ot->isTalkPage() && $oldTalk->exists() );
+
+		if ( $considerTalk ) {
+			$wgOut->addWikiText( wfMsg( 'movepagetalktext' ) );
+		}
+
+		$movearticle = wfMsgHtml( 'movearticle' );
+		$newtitle = wfMsgHtml( 'newtitle' );
+		$movetalk = wfMsgHtml( 'movetalk' );
+		$movereason = wfMsgHtml( 'movereason' );
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Movepage' );
+		$action = $titleObj->escapeLocalURL( 'action=submit' );
+		$token = htmlspecialchars( $wgUser->editToken() );
+
+		if ( $err != '' ) {
+			$wgOut->setSubtitle( wfMsg( 'formerror' ) );
+			$wgOut->addWikiText( '<p class="error">' . wfMsg($err) . "</p>\n" );
+		}
+
+		$moveTalkChecked = $this->moveTalk ? ' checked="checked"' : '';
+
+		$wgOut->addHTML( "
+<form id=\"movepage\" method=\"post\" action=\"{$action}\">
+	<table border='0'>
+		<tr>
+			<td align='right'>{$movearticle}:</td>
+			<td align='left'><strong>{$oldTitle}</strong></td>
+		</tr>
+		<tr>
+			<td align='right'><label for='wpNewTitle'>{$newtitle}:</label></td>
+			<td align='left'>
+				<input type='text' size='40' name='wpNewTitle' id='wpNewTitle' value=\"{$encNewTitle}\" />
+				<input type='hidden' name=\"wpOldTitle\" value=\"{$encOldTitle}\" />
+			</td>
+		</tr>
+		<tr>
+			<td align='right' valign='top'><br /><label for='wpReason'>{$movereason}:</label></td>
+			<td align='left' valign='top'><br />
+				<textarea cols='60' rows='2' name='wpReason' id='wpReason'>{$encReason}</textarea>
+			</td>
+		</tr>" );
+
+		if ( $considerTalk ) {
+			$wgOut->addHTML( "
+		<tr>
+			<td align='right'>
+				<input type='checkbox' id=\"wpMovetalk\" name=\"wpMovetalk\"{$moveTalkChecked} value=\"1\" />
+			</td>
+			<td><label for=\"wpMovetalk\">{$movetalk}</label></td>
+		</tr>" );
+		}
+		$wgOut->addHTML( "
+		{$confirm}
+		<tr>
+			<td>&nbsp;</td>
+			<td align='left'>
+				<input type='submit' name=\"{$submitVar}\" value=\"{$movepagebtn}\" />
+			</td>
+		</tr>
+	</table>
+	<input type='hidden' name='wpEditToken' value=\"{$token}\" />
+</form>\n" );
+
+	$this->showLogFragment( $ot, $wgOut );
+
+	}
+
+	function doSubmit() {
+		global $wgOut, $wgUser, $wgRequest;
+		$fname = "MovePageForm::doSubmit";
+
+		if ( $wgUser->pingLimiter( 'move' ) ) {
+			$wgOut->rateLimited();
+			return;
+		}
+
+		# Variables beginning with 'o' for old article 'n' for new article
+
+		$ot = Title::newFromText( $this->oldTitle );
+		$nt = Title::newFromText( $this->newTitle );
+
+		# Delete to make way if requested
+		if ( $wgUser->isAllowed( 'delete' ) && $this->deleteAndMove ) {
+			$article = new Article( $nt );
+			// This may output an error message and exit
+			$article->doDelete( wfMsgForContent( 'delete_and_move_reason' ) );
+		}
+
+		# don't allow moving to pages with # in
+		if ( !$nt || $nt->getFragment() != '' ) {
+			$this->showForm( 'badtitletext' );
+			return;
+		}
+
+		$error = $ot->moveTo( $nt, true, $this->reason );
+		if ( $error !== true ) {
+			$this->showForm( $error );
+			return;
+		}
+
+		wfRunHooks( 'SpecialMovepageAfterMove', array( &$this , &$ot , &$nt ) )	;
+
+		# Move the talk page if relevant, if it exists, and if we've been told to
+		$ott = $ot->getTalkPage();
+		if( $ott->exists() ) {
+			if( $wgRequest->getVal( 'wpMovetalk' ) == 1 && !$ot->isTalkPage() && !$nt->isTalkPage() ) {
+				$ntt = $nt->getTalkPage();
+	
+				# Attempt the move
+				$error = $ott->moveTo( $ntt, true, $this->reason );
+				if ( $error === true ) {
+					$talkmoved = 1;
+					wfRunHooks( 'SpecialMovepageAfterMove', array( &$this , &$ott , &$ntt ) )	;
+				} else {
+					$talkmoved = $error;
+				}
+			} else {
+				# Stay silent on the subject of talk.
+				$talkmoved = '';
+			}
+		} else {
+			$talkmoved = 'notalkpage';
+		}
+
+		# Give back result to user.
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Movepage' );
+		$success = $titleObj->getFullURL(
+		  'action=success&oldtitle=' . wfUrlencode( $ot->getPrefixedText() ) .
+		  '&newtitle=' . wfUrlencode( $nt->getPrefixedText() ) .
+		  '&talkmoved='.$talkmoved );
+
+		$wgOut->redirect( $success );
+	}
+
+	function showSuccess() {
+		global $wgOut, $wgRequest, $wgRawHtml;
+		
+		$wgOut->setPagetitle( wfMsg( 'movepage' ) );
+		$wgOut->setSubtitle( wfMsg( 'pagemovedsub' ) );
+
+		$oldText = $wgRequest->getVal('oldtitle');
+		$newText = $wgRequest->getVal('newtitle');
+		$talkmoved = $wgRequest->getVal('talkmoved');
+
+		$text = wfMsg( 'pagemovedtext', $oldText, $newText );
+		
+		$allowHTML = $wgRawHtml;
+		$wgRawHtml = false;
+		$wgOut->addWikiText( $text );
+		$wgRawHtml = $allowHTML;
+
+		if ( $talkmoved == 1 ) {
+			$wgOut->addWikiText( wfMsg( 'talkpagemoved' ) );
+		} elseif( 'articleexists' == $talkmoved ) {
+			$wgOut->addWikiText( wfMsg( 'talkexists' ) );
+		} else {
+			$oldTitle = Title::newFromText( $oldText );
+			if ( !$oldTitle->isTalkPage() && $talkmoved != 'notalkpage' ) {
+				$wgOut->addWikiText( wfMsg( 'talkpagenotmoved', wfMsg( $talkmoved ) ) );
+			}
+		}
+	}
+	
+	function showLogFragment( $title, &$out ) {
+		$out->addHtml( wfElement( 'h2', NULL, LogPage::logName( 'move' ) ) );
+		$request = new FauxRequest( array( 'page' => $title->getPrefixedText(), 'type' => 'move' ) );
+		$viewer = new LogViewer( new LogReader( $request ) );
+		$viewer->showList( $out );
+	}
+	
+}
+?>
diff --git a/includes/SpecialNewimages.php b/includes/SpecialNewimages.php
new file mode 100644
index 00000000..976611a3
--- /dev/null
+++ b/includes/SpecialNewimages.php
@@ -0,0 +1,204 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+function wfSpecialNewimages( $par, $specialPage ) {
+	global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest, $wgGroupPermissions;
+
+	$wpIlMatch = $wgRequest->getText( 'wpIlMatch' );
+	$dbr =& wfGetDB( DB_SLAVE );
+	$sk = $wgUser->getSkin();
+	$shownav = !$specialPage->including();
+	$hidebots = $wgRequest->getBool('hidebots',1);
+
+	if($hidebots) {
+
+		/** Make a list of group names which have the 'bot' flag
+		    set.
+		*/
+		$botconds=array();
+		foreach ($wgGroupPermissions as $groupname=>$perms) {
+			if(array_key_exists('bot',$perms) && $perms['bot']) {
+				$botconds[]="ug_group='$groupname'";
+			}
+		}
+		$isbotmember=$dbr->makeList($botconds, LIST_OR);
+
+		/** This join, in conjunction with WHERE ug_group
+		    IS NULL, returns only those rows from IMAGE
+		    where the uploading user is not a member of
+		    a group which has the 'bot' permission set.
+		*/
+		$ug = $dbr->tableName('user_groups');
+		$joinsql=" LEFT OUTER JOIN $ug ON img_user=ug_user AND ("
+		  . $isbotmember.')';
+	}
+
+	$image = $dbr->tableName('image');
+
+	$sql="SELECT img_timestamp from $image";
+	if($hidebots) {
+		$sql.=$joinsql.' WHERE ug_group IS NULL';
+	}
+	$sql.=' ORDER BY img_timestamp DESC LIMIT 1';
+	$res = $dbr->query($sql, 'wfSpecialNewImages');
+	$row = $dbr->fetchRow($res);
+	if($row!==false) {
+		$ts=$row[0];
+	} else {
+		$ts=false;
+	}
+	$dbr->freeResult($res);
+	$sql='';
+
+	/** If we were clever, we'd use this to cache. */
+	$latestTimestamp = wfTimestamp( TS_MW, $ts);
+
+	/** Hardcode this for now. */
+	$limit = 48;
+
+	if ( $parval = intval( $par ) )
+		if ( $parval <= $limit && $parval > 0 )
+			$limit = $parval;
+
+	$where = array();
+	$searchpar = '';
+	if ( $wpIlMatch != '' ) {
+		$nt = Title::newFromUrl( $wpIlMatch );
+		if($nt ) {
+			$m = $dbr->strencode( strtolower( $nt->getDBkey() ) );
+			$m = str_replace( '%', "\\%", $m );
+			$m = str_replace( '_', "\\_", $m );
+			$where[] = "LCASE(img_name) LIKE '%{$m}%'";
+			$searchpar = '&wpIlMatch=' . urlencode( $wpIlMatch );
+		}
+	}
+
+	$invertSort = false;
+	if( $until = $wgRequest->getVal( 'until' ) ) {
+		$where[] = 'img_timestamp < ' . $dbr->timestamp( $until );
+	}
+	if( $from = $wgRequest->getVal( 'from' ) ) {
+		$where[] = 'img_timestamp >= ' . $dbr->timestamp( $from );
+		$invertSort = true;
+	}
+	$sql='SELECT img_size, img_name, img_user, img_user_text,'.
+	     "img_description,img_timestamp FROM $image";
+
+	if($hidebots) {
+		$sql.=$joinsql;
+		$where[]='ug_group IS NULL';
+	}
+	if(count($where)) {
+		$sql.=' WHERE '.$dbr->makeList($where, LIST_AND);
+	}
+	$sql.=' ORDER BY img_timestamp '. ( $invertSort ? '' : ' DESC' );
+	$sql.=' LIMIT '.($limit+1);
+	$res = $dbr->query($sql, 'wfSpecialNewImages');
+
+	/**
+	 * We have to flip things around to get the last N after a certain date
+	 */
+	$images = array();
+	while ( $s = $dbr->fetchObject( $res ) ) {
+		if( $invertSort ) {
+			array_unshift( $images, $s );
+		} else {
+			array_push( $images, $s );
+		}
+	}
+	$dbr->freeResult( $res );
+
+	$gallery = new ImageGallery();
+	$firstTimestamp = null;
+	$lastTimestamp = null;
+	$shownImages = 0;
+	foreach( $images as $s ) {
+		if( ++$shownImages > $limit ) {
+			# One extra just to test for whether to show a page link;
+			# don't actually show it.
+			break;
+		}
+
+		$name = $s->img_name;
+		$ut = $s->img_user_text;
+
+		$nt = Title::newFromText( $name, NS_IMAGE );
+		$img = Image::newFromTitle( $nt );
+		$ul = $sk->makeLinkObj( Title::makeTitle( NS_USER, $ut ), $ut );
+
+		$gallery->add( $img, "$ul<br />\n<i>".$wgLang->timeanddate( $s->img_timestamp, true )."</i><br />\n" );
+
+		$timestamp = wfTimestamp( TS_MW, $s->img_timestamp );
+		if( empty( $firstTimestamp ) ) {
+			$firstTimestamp = $timestamp;
+		}
+		$lastTimestamp = $timestamp;
+	}
+
+	$bydate = wfMsg( 'bydate' );
+	$lt = $wgLang->formatNum( min( $shownImages, $limit ) );
+	if ($shownav) {
+		$text = wfMsgExt( 'imagelisttext', array('parse'), $lt, $bydate );
+		$wgOut->addHTML( $text . "\n" );
+	}
+
+	$sub = wfMsg( 'ilsubmit' );
+	$titleObj = Title::makeTitle( NS_SPECIAL, 'Newimages' );
+	$action = $titleObj->escapeLocalURL( $hidebots ? '' : 'hidebots=0' );
+	if ($shownav) {
+		$wgOut->addHTML( "<form id=\"imagesearch\" method=\"post\" action=\"" .
+		  "{$action}\">" .
+		  "<input type='text' size='20' name=\"wpIlMatch\" value=\"" .
+		  htmlspecialchars( $wpIlMatch ) . "\" /> " .
+		  "<input type='submit' name=\"wpIlSubmit\" value=\"{$sub}\" /></form>" );
+	}
+	$here = $wgContLang->specialPage( 'Newimages' );
+
+	/**
+	 * Paging controls...
+	 */
+
+	# If we change bot visibility, this needs to be carried along.
+	if(!$hidebots) {
+		$botpar='&hidebots=0';
+	} else {
+		$botpar='';
+	}
+	$now = wfTimestampNow();
+	$date = $wgLang->timeanddate( $now, true );
+	$dateLink = $sk->makeKnownLinkObj( $titleObj, wfMsg( 'sp-newimages-showfrom', $date ), 'from='.$now.$botpar.$searchpar );
+
+	$botLink = $sk->makeKnownLinkObj($titleObj, wfMsg( 'showhidebots', ($hidebots ? wfMsg('show') : wfMsg('hide'))),'hidebots='.($hidebots ? '0' : '1').$searchpar);
+
+	$prevLink = wfMsg( 'prevn', $wgLang->formatNum( $limit ) );
+	if( $firstTimestamp && $firstTimestamp != $latestTimestamp ) {
+		$prevLink = $sk->makeKnownLinkObj( $titleObj, $prevLink, 'from=' . $firstTimestamp . $botpar . $searchpar );
+	}
+
+	$nextLink = wfMsg( 'nextn', $wgLang->formatNum( $limit ) );
+	if( $shownImages > $limit && $lastTimestamp ) {
+		$nextLink = $sk->makeKnownLinkObj( $titleObj, $nextLink, 'until=' . $lastTimestamp.$botpar.$searchpar );
+	}
+
+	$prevnext = '<p>' . $botLink . ' '. wfMsg( 'viewprevnext', $prevLink, $nextLink, $dateLink ) .'</p>';
+
+	if ($shownav)
+		$wgOut->addHTML( $prevnext );
+
+	if( count( $images ) ) {
+		$wgOut->addHTML( $gallery->toHTML() );
+		if ($shownav)
+			$wgOut->addHTML( $prevnext );
+	} else {
+		$wgOut->addWikiText( wfMsg( 'noimages' ) );
+	}
+}
+
+?>
diff --git a/includes/SpecialNewpages.php b/includes/SpecialNewpages.php
new file mode 100644
index 00000000..c0c6ba96
--- /dev/null
+++ b/includes/SpecialNewpages.php
@@ -0,0 +1,198 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class NewPagesPage extends QueryPage {
+	var $namespace;
+
+	function NewPagesPage( $namespace = NS_MAIN ) {
+		$this->namespace = $namespace;
+	}
+
+	function getName() {
+		return 'Newpages';
+	}
+
+	function isExpensive() {
+		# Indexed on RC, and will *not* work with querycache yet.
+		return false;
+	}
+
+	function getSQL() {
+		global $wgUser, $wgUseRCPatrol;
+		$usepatrol = ( $wgUseRCPatrol && $wgUser->isAllowed( 'patrol' ) ) ? 1 : 0;
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'recentchanges', 'page', 'text' ) );
+
+		# FIXME: text will break with compression
+		return
+			"SELECT 'Newpages' as type,
+				rc_namespace AS namespace,
+				rc_title AS title,
+				rc_cur_id AS cur_id,
+				rc_user AS user,
+				rc_user_text AS user_text,
+				rc_comment as comment,
+				rc_timestamp AS timestamp,
+				rc_timestamp AS value,
+				'{$usepatrol}' as usepatrol,
+				rc_patrolled AS patrolled,
+				rc_id AS rcid,
+				page_len as length,
+				page_latest as rev_id
+			FROM $recentchanges,$page
+			WHERE rc_cur_id=page_id AND rc_new=1
+			AND rc_namespace=" . $this->namespace . " AND page_is_redirect=0";
+	}
+	
+	function preprocessResults( &$dbo, &$res ) {
+		# Do a batch existence check on the user and talk pages
+		$linkBatch = new LinkBatch();
+		while( $row = $dbo->fetchObject( $res ) ) {
+			$linkBatch->addObj( Title::makeTitleSafe( NS_USER, $row->user_text ) );
+			$linkBatch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->user_text ) );
+		}
+		$linkBatch->execute();
+		# Seek to start
+		if( $dbo->numRows( $res ) > 0 )
+			$dbo->dataSeek( $res, 0 );
+	}
+
+	/**
+	 * Format a row, providing the timestamp, links to the page/history, size, user links, and a comment
+	 *
+	 * @param $skin Skin to use
+	 * @param $result Result row
+	 * @return string
+	 */
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+		$dm = $wgContLang->getDirMark();
+
+		$title = Title::makeTitleSafe( $result->namespace, $result->title );
+		$time = $wgLang->timeAndDate( $result->timestamp, true );
+		$plink = $skin->makeKnownLinkObj( $title, '', $this->patrollable( $result ) ? 'rcid=' . $result->rcid : '' );
+		$hist = $skin->makeKnownLinkObj( $title, wfMsgHtml( 'hist' ), 'action=history' );
+		$length = wfMsgHtml( 'nbytes', $wgLang->formatNum( htmlspecialchars( $result->length ) ) );
+		$ulink = $skin->userLink( $result->user, $result->user_text ) . $skin->userToolLinks( $result->user, $result->user_text );
+		$comment = $skin->commentBlock( $result->comment );
+
+		return "{$time} {$dm}{$plink} ({$hist}) {$dm}[{$length}] {$dm}{$ulink} {$comment}";
+	}
+
+	/**
+	 * Should a specific result row provide "patrollable" links?
+	 *
+	 * @param $result Result row
+	 * @return bool
+	 */
+	function patrollable( $result ) {
+		global $wgUser, $wgUseRCPatrol;
+		return $wgUseRCPatrol && $wgUser->isAllowed( 'patrol' ) && !$result->patrolled;
+	}
+
+	function feedItemDesc( $row ) {
+		if( isset( $row->rev_id ) ) {
+			$revision = Revision::newFromId( $row->rev_id );
+			if( $revision ) {
+				return '<p>' . htmlspecialchars( wfMsg( 'summary' ) ) . ': ' .
+					htmlspecialchars( $revision->getComment() ) . "</p>\n<hr />\n<div>" .
+					nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
+			}
+		}
+		return parent::feedItemDesc( $row );
+	}
+	
+	/**
+	 * Show a namespace selection form for filtering
+	 *
+	 * @return string
+	 */	
+	function getPageHeader() {
+		$thisTitle = Title::makeTitle( NS_SPECIAL, $this->getName() );
+		$form  = wfOpenElement( 'form', array(
+			'method' => 'post',
+			'action' => $thisTitle->getLocalUrl() ) );
+		$form .= wfElement( 'label', array( 'for' => 'namespace' ),
+			wfMsg( 'namespace' ) ) . ' ';
+		$form .= HtmlNamespaceSelector( $this->namespace );
+		# Preserve the offset and limit
+		$form .= wfElement( 'input', array(
+			'type' => 'hidden',
+			'name' => 'offset',
+			'value' => $this->offset ) );
+		$form .= wfElement( 'input', array(
+			'type' => 'hidden',
+			'name' => 'limit',
+			'value' => $this->limit ) );
+		$form .= wfElement( 'input', array(
+			'type' => 'submit',
+			'name' => 'submit',
+			'id' => 'submit',
+			'value' => wfMsg( 'allpagessubmit' ) ) );
+		$form .= wfCloseElement( 'form' );
+		return( $form );
+	}
+	
+	/**
+	 * Link parameters
+	 *
+	 * @return array
+	 */
+	function linkParameters() {
+		return( array( 'namespace' => $this->namespace ) );
+	}
+	
+}
+
+/**
+ * constructor
+ */
+function wfSpecialNewpages($par, $specialPage) {
+	global $wgRequest, $wgContLang;
+
+	list( $limit, $offset ) = wfCheckLimits();
+	$namespace = NS_MAIN;
+
+	if ( $par ) {
+		$bits = preg_split( '/\s*,\s*/', trim( $par ) );
+		foreach ( $bits as $bit ) {
+			if ( 'shownav' == $bit )
+				$shownavigation = true;
+			if ( is_numeric( $bit ) )
+				$limit = $bit;
+
+			if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) )
+				$limit = intval($m[1]);
+			if ( preg_match( '/^offset=(\d+)$/', $bit, $m ) )
+				$offset = intval($m[1]);
+			if ( preg_match( '/^namespace=(.*)$/', $bit, $m ) ) {
+				$ns = $wgContLang->getNsIndex( $m[1] );
+				if( $ns !== false ) {
+					$namespace = $ns;
+				}
+			}
+		}
+	} else {
+		if( $ns = $wgRequest->getInt( 'namespace', 0 ) )
+			$namespace = $ns;
+	}
+	
+	if ( ! isset( $shownavigation ) )
+		$shownavigation = ! $specialPage->including();
+
+	$npp = new NewPagesPage( $namespace );
+
+	if ( ! $npp->doFeed( $wgRequest->getVal( 'feed' ), $limit ) )
+		$npp->doQuery( $offset, $limit, $shownavigation );
+}
+
+?>
diff --git a/includes/SpecialPage.php b/includes/SpecialPage.php
new file mode 100644
index 00000000..ffcd51fa
--- /dev/null
+++ b/includes/SpecialPage.php
@@ -0,0 +1,575 @@
+<?php
+/**
+ * SpecialPage: handling special pages and lists thereof.
+ *
+ * To add a special page in an extension, add to $wgSpecialPages either 
+ * an object instance or an array containing the name and constructor 
+ * parameters. The latter is preferred for performance reasons. 
+ *
+ * The object instantiated must be either an instance of SpecialPage or a 
+ * sub-class thereof. It must have an execute() method, which sends the HTML 
+ * for the special page to $wgOut. The parent class has an execute() method 
+ * which distributes the call to the historical global functions. Additionally, 
+ * execute() also checks if the user has the necessary access privileges 
+ * and bails out if not.
+ *
+ * To add a core special page, use the similar static list in 
+ * SpecialPage::$mList. To remove a core static special page at runtime, use
+ * a SpecialPage_initList hook.
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * @access private
+ */
+
+/**
+ * Parent special page class, also static functions for handling the special
+ * page list
+ * @package MediaWiki
+ */
+class SpecialPage
+{
+	/**#@+
+	 * @access private
+	 */
+	/**
+	 * The name of the class, used in the URL.
+	 * Also used for the default <h1> heading, @see getDescription()
+	 */
+	var $mName;
+	/**
+	 * Minimum user level required to access this page, or "" for anyone.
+	 * Also used to categorise the pages in Special:Specialpages
+	 */
+	var $mRestriction;
+	/**
+	 * Listed in Special:Specialpages?
+	 */
+	var $mListed;
+	/**
+	 * Function name called by the default execute()
+	 */
+	var $mFunction;
+	/**
+	 * File which needs to be included before the function above can be called
+	 */
+	var $mFile;
+	/**
+	 * Whether or not this special page is being included from an article
+	 */
+	var $mIncluding;
+	/**
+	 * Whether the special page can be included in an article
+	 */
+	var $mIncludable;
+
+	static public $mList = array(
+		'DoubleRedirects'	=> array( 'SpecialPage', 'DoubleRedirects' ),
+		'BrokenRedirects'	=> array( 'SpecialPage', 'BrokenRedirects' ),
+		'Disambiguations'	=> array( 'SpecialPage', 'Disambiguations' ),
+
+		'Userlogin'         => array( 'SpecialPage', 'Userlogin' ),
+		'Userlogout'        => array( 'UnlistedSpecialPage', 'Userlogout' ),
+		'Preferences'       => array( 'SpecialPage', 'Preferences' ),
+		'Watchlist'         => array( 'SpecialPage', 'Watchlist' ),
+
+		'Recentchanges'     => array( 'IncludableSpecialPage', 'Recentchanges' ),
+		'Upload'            => array( 'SpecialPage', 'Upload' ),
+		'Imagelist'         => array( 'SpecialPage', 'Imagelist' ),
+		'Newimages'         => array( 'IncludableSpecialPage', 'Newimages' ),
+		'Listusers'         => array( 'SpecialPage', 'Listusers' ),
+		'Statistics'        => array( 'SpecialPage', 'Statistics' ),
+		'Random'            => array( 'SpecialPage', 'Randompage' ),
+		'Lonelypages'       => array( 'SpecialPage', 'Lonelypages' ),
+		'Uncategorizedpages'=> array( 'SpecialPage', 'Uncategorizedpages' ),
+		'Uncategorizedcategories'=> array( 'SpecialPage', 'Uncategorizedcategories' ),
+		'Uncategorizedimages' => array( 'SpecialPage', 'Uncategorizedimages' ),
+		'Unusedcategories'	=> array( 'SpecialPage', 'Unusedcategories' ),
+		'Unusedimages'      => array( 'SpecialPage', 'Unusedimages' ),
+		'Wantedpages'	    => array( 'IncludableSpecialPage', 'Wantedpages' ),
+		'Wantedcategories'  => array( 'SpecialPage', 'Wantedcategories' ),
+		'Mostlinked'	    => array( 'SpecialPage', 'Mostlinked' ),
+		'Mostlinkedcategories' => array( 'SpecialPage', 'Mostlinkedcategories' ),
+		'Mostcategories'    => array( 'SpecialPage', 'Mostcategories' ),
+		'Mostimages'        => array( 'SpecialPage', 'Mostimages' ),
+		'Mostrevisions'     => array( 'SpecialPage', 'Mostrevisions' ),
+		'Shortpages'	    => array( 'SpecialPage', 'Shortpages' ),
+		'Longpages'		    => array( 'SpecialPage', 'Longpages' ),
+		'Newpages'		    => array( 'IncludableSpecialPage', 'Newpages' ),
+		'Ancientpages'	    => array( 'SpecialPage', 'Ancientpages' ),
+		'Deadendpages'      => array( 'SpecialPage', 'Deadendpages' ),
+		'Allpages'		    => array( 'IncludableSpecialPage', 'Allpages' ),
+		'Prefixindex'	    => array( 'IncludableSpecialPage', 'Prefixindex' ) ,
+		'Ipblocklist'	    => array( 'SpecialPage', 'Ipblocklist' ),
+		'Specialpages'      => array( 'UnlistedSpecialPage', 'Specialpages' ),
+		'Contributions'     => array( 'UnlistedSpecialPage', 'Contributions' ),
+		'Emailuser'		    => array( 'UnlistedSpecialPage', 'Emailuser' ),
+		'Whatlinkshere'     => array( 'UnlistedSpecialPage', 'Whatlinkshere' ),
+		'Recentchangeslinked' => array( 'UnlistedSpecialPage', 'Recentchangeslinked' ),
+		'Movepage'		    => array( 'UnlistedSpecialPage', 'Movepage' ),
+		'Blockme'           => array( 'UnlistedSpecialPage', 'Blockme' ),
+		'Booksources'	    => array( 'SpecialPage', 'Booksources' ),
+		'Categories'	    => array( 'SpecialPage', 'Categories' ),
+		'Export'		    => array( 'SpecialPage', 'Export' ),
+		'Version'		    => array( 'SpecialPage', 'Version' ),
+		'Allmessages'	    => array( 'SpecialPage', 'Allmessages' ),
+		'Log'               => array( 'SpecialPage', 'Log' ),
+		'Blockip'		    => array( 'SpecialPage', 'Blockip', 'block' ),
+		'Undelete'		    => array( 'SpecialPage', 'Undelete', 'deletedhistory' ),
+		"Import"		    => array( 'SpecialPage', "Import", 'import' ),
+		'Lockdb'		    => array( 'SpecialPage', 'Lockdb', 'siteadmin' ),
+		'Unlockdb'		    => array( 'SpecialPage', 'Unlockdb', 'siteadmin' ),
+		'Userrights'	    => array( 'SpecialPage', 'Userrights', 'userrights' ),
+		'MIMEsearch'        => array( 'SpecialPage', 'MIMEsearch' ),
+		'Unwatchedpages'    => array( 'SpecialPage', 'Unwatchedpages', 'unwatchedpages' ),
+		'Listredirects'     => array( 'SpecialPage', 'Listredirects' ),
+		'Revisiondelete'    => array( 'SpecialPage', 'Revisiondelete', 'deleterevision' ),
+		'Unusedtemplates'   => array( 'SpecialPage', 'Unusedtemplates' ),
+		'Randomredirect'    => array( 'SpecialPage', 'Randomredirect' ),
+	);
+
+	static public $mListInitialised = false;
+
+	/**#@-*/
+
+	/**
+	 * Initialise the special page list
+	 * This must be called before accessing SpecialPage::$mList
+	 */
+	static function initList() {
+		global $wgSpecialPages;
+		global $wgDisableCounters, $wgDisableInternalSearch, $wgEmailAuthentication;
+
+		if ( self::$mListInitialised ) {
+			return;
+		}
+		wfProfileIn( __METHOD__ );
+		
+		if( !$wgDisableCounters ) {
+			self::$mList['Popularpages'] = array( 'SpecialPage', 'Popularpages' );
+		}
+
+		if( !$wgDisableInternalSearch ) {
+			self::$mList['Search'] = array( 'SpecialPage', 'Search' );
+		}
+
+		if( $wgEmailAuthentication ) {
+			self::$mList['Confirmemail'] = array( 'UnlistedSpecialPage', 'Confirmemail' );
+		}
+
+		# Add extension special pages
+		self::$mList = array_merge( self::$mList, $wgSpecialPages );
+
+		# Better to set this now, to avoid infinite recursion in carelessly written hooks
+		self::$mListInitialised = true;
+
+		# Run hooks
+		# This hook can be used to remove undesired built-in special pages
+		wfRunHooks( 'SpecialPage_initList', array( &self::$mList ) );
+		wfProfileOut( __METHOD__ );
+	}
+
+	/**
+	 * Add a page to the list of valid special pages. This used to be the preferred 
+	 * method for adding special pages in extensions. It's now suggested that you add 
+	 * an associative record to $wgSpecialPages. This avoids autoloading SpecialPage.
+	 *
+	 * @param mixed $page Must either be an array specifying a class name and 
+	 *                    constructor parameters, or an object. The object,
+	 *                    when constructed, must have an execute() method which
+	 *                    sends HTML to $wgOut.
+	 * @static
+	 */
+	static function addPage( &$page ) {
+		if ( !self::$mListInitialised ) {
+			self::initList();
+		}
+		self::$mList[$page->mName] = $page;
+	}
+
+	/**
+	 * Remove a special page from the list
+	 * Formerly used to disable expensive or dangerous special pages. The 
+	 * preferred method is now to add a SpecialPage_initList hook.
+	 * 
+	 * @static
+	 */
+	static function removePage( $name ) {
+		if ( !self::$mListInitialised ) {
+			self::initList();
+		}
+		unset( self::$mList[$name] );
+	}
+
+	/**
+	 * Find the object with a given name and return it (or NULL)
+	 * @static
+	 * @param string $name
+	 */
+	static function getPage( $name ) {
+		if ( !self::$mListInitialised ) {
+			self::initList();
+		}
+		if ( array_key_exists( $name, self::$mList ) ) {
+			$rec = self::$mList[$name];
+			if ( is_string( $rec ) ) {
+				$className = $rec;
+				self::$mList[$name] = new $className;
+			} elseif ( is_array( $rec ) ) {
+				$className = array_shift( $rec );
+				self::$mList[$name] = wfCreateObject( $className, $rec );
+			}
+			return self::$mList[$name];
+		} else {
+			return NULL;
+		}
+	}
+
+
+	/**
+	 * @static
+	 * @param string $name
+	 * @return mixed Title object if the redirect exists, otherwise NULL
+	 */
+	static function getRedirect( $name ) {
+		global $wgUser;
+
+		$redirects = array(
+			'Mypage' => Title::makeTitle( NS_USER, $wgUser->getName() ),
+			'Mytalk' => Title::makeTitle( NS_USER_TALK, $wgUser->getName() ),
+			'Mycontributions' => Title::makeTitle( NS_SPECIAL, 'Contributions/' . $wgUser->getName() ),
+			'Listadmins' => Title::makeTitle( NS_SPECIAL, 'Listusers/sysop' ), # @bug 2832
+			'Logs' => Title::makeTitle( NS_SPECIAL, 'Log' ),
+			'Randompage' => Title::makeTitle( NS_SPECIAL, 'Random' ),
+			'Userlist' => Title::makeTitle( NS_SPECIAL, 'Listusers' )
+		);
+		wfRunHooks( 'SpecialPageGetRedirect', array( &$redirects ) );
+
+		return isset( $redirects[$name] ) ? $redirects[$name] : null;
+	}
+
+	/**
+	 * Return part of the request string for a special redirect page
+	 * This allows passing, e.g. action=history to Special:Mypage, etc.
+	 *
+	 * @param $name Name of the redirect page
+	 * @return string
+	 */
+	function getRedirectParams( $name ) {
+		global $wgRequest;
+		
+		$args = array();
+		switch( $name ) {
+			case 'Mypage':
+			case 'Mytalk':
+			case 'Randompage':
+				$args = array( 'action' );
+		}
+		
+		$params = array();
+		foreach( $args as $arg ) {
+			if( $val = $wgRequest->getVal( $arg, false ) )
+				$params[] = $arg . '=' . $val;
+		}
+		
+		return count( $params ) ? implode( '&', $params ) : false;
+	}	
+
+	/**
+	 * Return categorised listable special pages
+	 * Returns a 2d array where the first index is the restriction name
+	 * @static
+	 */
+	static function getPages() {
+		if ( !self::$mListInitialised ) {
+			self::initList();
+		}
+		$pages = array(
+		  '' => array(),
+		  'sysop' => array(),
+		  'developer' => array()
+		);
+
+		foreach ( self::$mList as $name => $rec ) {
+			$page = self::getPage( $name );
+			if ( $page->isListed() ) {
+				$pages[$page->getRestriction()][$page->getName()] = $page;
+			}
+		}
+		return $pages;
+	}
+
+	/**
+	 * Execute a special page path.
+	 * The path	may contain parameters, e.g. Special:Name/Params
+	 * Extracts the special page name and call the execute method, passing the parameters
+	 *
+	 * Returns a title object if the page is redirected, false if there was no such special
+	 * page, and true if it was successful.
+	 *
+	 * @param $title          a title object
+	 * @param $including      output is being captured for use in {{special:whatever}}
+	 */
+	function executePath( &$title, $including = false ) {
+		global $wgOut, $wgTitle;
+		$fname = 'SpecialPage::executePath';
+		wfProfileIn( $fname );
+
+		$bits = split( "/", $title->getDBkey(), 2 );
+		$name = $bits[0];
+		if( !isset( $bits[1] ) ) { // bug 2087
+			$par = NULL;
+		} else {
+			$par = $bits[1];
+		}
+
+		$page = SpecialPage::getPage( $name );
+		if ( is_null( $page ) ) {
+			if ( $including ) {
+				wfProfileOut( $fname );
+				return false;
+			} else {
+				$redir = SpecialPage::getRedirect( $name );
+				if ( isset( $redir ) ) {
+					if( $par )
+						$redir = Title::makeTitle( $redir->getNamespace(), $redir->getText() . '/' . $par );
+					$params = SpecialPage::getRedirectParams( $name );
+					if( $params ) {
+						$url = $redir->getFullUrl( $params );
+					} else {
+						$url = $redir->getFullUrl();
+					}
+					$wgOut->redirect( $url );
+					$retVal = $redir;
+					$wgOut->redirect( $url );
+					$retVal = $redir;
+				} else {
+					$wgOut->setArticleRelated( false );
+					$wgOut->setRobotpolicy( 'noindex,nofollow' );
+					$wgOut->setStatusCode( 404 );
+					$wgOut->showErrorPage( 'nosuchspecialpage', 'nospecialpagetext' );
+					$retVal = false;
+				}
+			}
+		} else {
+			if ( $including && !$page->includable() ) {
+				wfProfileOut( $fname );
+				return false;
+			} elseif ( !$including ) {
+				if($par !== NULL) {
+					$wgTitle = Title::makeTitle( NS_SPECIAL, $name );
+				} else {
+					$wgTitle = $title;
+				}
+			}
+			$page->including( $including );
+
+			$profName = 'Special:' . $page->getName();
+			wfProfileIn( $profName );
+			$page->execute( $par );
+			wfProfileOut( $profName );
+			$retVal = true;
+		}
+		wfProfileOut( $fname );
+		return $retVal;
+	}
+
+	/**
+	 * Just like executePath() except it returns the HTML instead of outputting it
+	 * Returns false if there was no such special page, or a title object if it was
+	 * a redirect.
+	 * @static
+	 */
+	static function capturePath( &$title ) {
+		global $wgOut, $wgTitle;
+
+		$oldTitle = $wgTitle;
+		$oldOut = $wgOut;
+		$wgOut = new OutputPage;
+
+		$ret = SpecialPage::executePath( $title, true );
+		if ( $ret === true ) {
+			$ret = $wgOut->getHTML();
+		}
+		$wgTitle = $oldTitle;
+		$wgOut = $oldOut;
+		return $ret;
+	}
+
+	/**
+	 * Default constructor for special pages
+	 * Derivative classes should call this from their constructor
+	 *     Note that if the user does not have the required level, an error message will
+	 *     be displayed by the default execute() method, without the global function ever
+	 *     being called.
+	 *
+	 *     If you override execute(), you can recover the default behaviour with userCanExecute()
+	 *     and displayRestrictionError()
+	 *
+	 * @param string $name Name of the special page, as seen in links and URLs
+	 * @param string $restriction Minimum user level required, e.g. "sysop" or "developer".
+	 * @param boolean $listed Whether the page is listed in Special:Specialpages
+	 * @param string $function Function called by execute(). By default it is constructed from $name
+	 * @param string $file File which is included by execute(). It is also constructed from $name by default
+	 */
+	function SpecialPage( $name = '', $restriction = '', $listed = true, $function = false, $file = 'default', $includable = false ) {
+		$this->mName = $name;
+		$this->mRestriction = $restriction;
+		$this->mListed = $listed;
+		$this->mIncludable = $includable;
+		if ( $function == false ) {
+			$this->mFunction = 'wfSpecial'.$name;
+		} else {
+			$this->mFunction = $function;
+		}
+		if ( $file === 'default' ) {
+			$this->mFile = "Special{$name}.php";
+		} else {
+			$this->mFile = $file;
+		}
+	}
+
+	/**#@+
+	  * Accessor
+	  *
+	  * @deprecated
+	  */
+	function getName() { return $this->mName; }
+	function getRestriction() { return $this->mRestriction; }
+	function getFile() { return $this->mFile; }
+	function isListed() { return $this->mListed; }
+	/**#@-*/
+
+	/**#@+
+	  * Accessor and mutator
+	  */
+	function name( $x = NULL ) { return wfSetVar( $this->mName, $x ); }
+	function restrictions( $x = NULL) { return wfSetVar( $this->mRestrictions, $x ); }
+	function listed( $x = NULL) { return wfSetVar( $this->mListed, $x ); }
+	function func( $x = NULL) { return wfSetVar( $this->mFunction, $x ); }
+	function file( $x = NULL) { return wfSetVar( $this->mFile, $x ); }
+	function includable( $x = NULL ) { return wfSetVar( $this->mIncludable, $x ); }
+	function including( $x = NULL ) { return wfSetVar( $this->mIncluding, $x ); }
+	/**#@-*/
+
+	/**
+	 * Checks if the given user (identified by an object) can execute this
+	 * special page (as defined by $mRestriction)
+	 */
+	function userCanExecute( &$user ) {
+		if ( $this->mRestriction == "" ) {
+			return true;
+		} else {
+			if ( in_array( $this->mRestriction, $user->getRights() ) ) {
+				return true;
+			} else {
+				return false;
+			}
+		}
+	}
+
+	/**
+	 * Output an error message telling the user what access level they have to have
+	 */
+	function displayRestrictionError() {
+		global $wgOut;
+		$wgOut->permissionRequired( $this->mRestriction );
+	}
+
+	/**
+	 * Sets headers - this should be called from the execute() method of all derived classes!
+	 */
+	function setHeaders() {
+		global $wgOut;
+		$wgOut->setArticleRelated( false );
+		$wgOut->setRobotPolicy( "noindex,nofollow" );
+		$wgOut->setPageTitle( $this->getDescription() );
+	}
+
+	/**
+	 * Default execute method
+	 * Checks user permissions, calls the function given in mFunction
+	 */
+	function execute( $par ) {
+		global $wgUser;
+
+		$this->setHeaders();
+
+		if ( $this->userCanExecute( $wgUser ) ) {
+			$func = $this->mFunction;
+			// only load file if the function does not exist
+			if(!function_exists($func) and $this->mFile) {
+				require_once( $this->mFile );
+			}
+			if ( wfRunHooks( 'SpecialPageExecuteBeforeHeader', array( &$this, &$par, &$func ) ) )
+				$this->outputHeader();
+			if ( ! wfRunHooks( 'SpecialPageExecuteBeforePage', array( &$this, &$par, &$func ) ) )
+				return;
+			$func( $par, $this );
+			if ( ! wfRunHooks( 'SpecialPageExecuteAfterPage', array( &$this, &$par, &$func ) ) )
+				return;
+		} else {
+			$this->displayRestrictionError();
+		}
+	}
+
+	function outputHeader() {
+		global $wgOut, $wgContLang;
+
+		$msg = $wgContLang->lc( $this->name() ) . '-summary';
+		$out = wfMsg( $msg );
+		if ( ! wfEmptyMsg( $msg, $out ) and  $out !== '' and ! $this->including() )
+			$wgOut->addWikiText( $out );
+
+	}
+
+	# Returns the name that goes in the <h1> in the special page itself, and also the name that
+	# will be listed in Special:Specialpages
+	#
+	# Derived classes can override this, but usually it is easier to keep the default behaviour.
+	# Messages can be added at run-time, see MessageCache.php
+	function getDescription() {
+		return wfMsg( strtolower( $this->mName ) );
+	}
+
+	/**
+	 * Get a self-referential title object
+	 */
+	function getTitle() {
+		return Title::makeTitle( NS_SPECIAL, $this->mName );
+	}
+
+	/**
+	 * Set whether this page is listed in Special:Specialpages, at run-time
+	 */
+	function setListed( $listed ) {
+		return wfSetVar( $this->mListed, $listed );
+	}
+
+}
+
+/**
+ * Shortcut to construct a special page which is unlisted by default
+ * @package MediaWiki
+ */
+class UnlistedSpecialPage extends SpecialPage
+{
+	function UnlistedSpecialPage( $name, $restriction = '', $function = false, $file = 'default' ) {
+		SpecialPage::SpecialPage( $name, $restriction, false, $function, $file );
+	}
+}
+
+/**
+ * Shortcut to construct an includable special  page
+ * @package MediaWiki
+ */
+class IncludableSpecialPage extends SpecialPage
+{
+	function IncludableSpecialPage( $name, $restriction = '', $listed = true, $function = false, $file = 'default' ) {
+		SpecialPage::SpecialPage( $name, $restriction, $listed, $function, $file, true );
+	}
+}
+?>
diff --git a/includes/SpecialPopularpages.php b/includes/SpecialPopularpages.php
new file mode 100644
index 00000000..77d41437
--- /dev/null
+++ b/includes/SpecialPopularpages.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class PopularPagesPage extends QueryPage {
+
+	function getName() {
+		return "Popularpages";
+	}
+
+	function isExpensive() {
+		# page_counter is not indexed
+		return true;
+	}
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$page = $dbr->tableName( 'page' );
+
+		return
+			"SELECT 'Popularpages' as type,
+			        page_namespace as namespace,
+			        page_title as title,
+			        page_counter as value
+			FROM $page
+			WHERE page_namespace=".NS_MAIN." AND page_is_redirect=0";
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+		$title = Title::makeTitle( $result->namespace, $result->title );
+		$link = $skin->makeKnownLinkObj( $title, htmlspecialchars( $wgContLang->convert( $title->getPrefixedText() ) ) );
+		$nv = wfMsgExt( 'nviews', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $result->value ) );
+		return wfSpecialList($link, $nv);
+	}
+}
+
+/**
+ * Constructor
+ */
+function wfSpecialPopularpages() {
+    list( $limit, $offset ) = wfCheckLimits();
+
+    $ppp = new PopularPagesPage();
+
+    return $ppp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialPreferences.php b/includes/SpecialPreferences.php
new file mode 100644
index 00000000..c6003b7c
--- /dev/null
+++ b/includes/SpecialPreferences.php
@@ -0,0 +1,937 @@
+<?php
+/**
+ * Hold things related to displaying and saving user preferences.
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Entry point that create the "Preferences" object
+ */
+function wfSpecialPreferences() {
+	global $wgRequest;
+
+	$form = new PreferencesForm( $wgRequest );
+	$form->execute();
+}
+
+/**
+ * Preferences form handling
+ * This object will show the preferences form and can save it as well.
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class PreferencesForm {
+	var $mQuickbar, $mOldpass, $mNewpass, $mRetypePass, $mStubs;
+	var $mRows, $mCols, $mSkin, $mMath, $mDate, $mUserEmail, $mEmailFlag, $mNick;
+	var $mUserLanguage, $mUserVariant;
+	var $mSearch, $mRecent, $mHourDiff, $mSearchLines, $mSearchChars, $mAction;
+	var $mReset, $mPosted, $mToggles, $mSearchNs, $mRealName, $mImageSize;
+	var $mUnderline, $mWatchlistEdits;
+
+	/**
+	 * Constructor
+	 * Load some values
+	 */
+	function PreferencesForm( &$request ) {
+		global $wgLang, $wgContLang, $wgUser, $wgAllowRealName;
+
+		$this->mQuickbar = $request->getVal( 'wpQuickbar' );
+		$this->mOldpass = $request->getVal( 'wpOldpass' );
+		$this->mNewpass = $request->getVal( 'wpNewpass' );
+		$this->mRetypePass =$request->getVal( 'wpRetypePass' );
+		$this->mStubs = $request->getVal( 'wpStubs' );
+		$this->mRows = $request->getVal( 'wpRows' );
+		$this->mCols = $request->getVal( 'wpCols' );
+		$this->mSkin = $request->getVal( 'wpSkin' );
+		$this->mMath = $request->getVal( 'wpMath' );
+		$this->mDate = $request->getVal( 'wpDate' );
+		$this->mUserEmail = $request->getVal( 'wpUserEmail' );
+		$this->mRealName = $wgAllowRealName ? $request->getVal( 'wpRealName' ) : '';
+		$this->mEmailFlag = $request->getCheck( 'wpEmailFlag' ) ? 0 : 1;
+		$this->mNick = $request->getVal( 'wpNick' );
+		$this->mUserLanguage = $request->getVal( 'wpUserLanguage' );
+		$this->mUserVariant = $request->getVal( 'wpUserVariant' );
+		$this->mSearch = $request->getVal( 'wpSearch' );
+		$this->mRecent = $request->getVal( 'wpRecent' );
+		$this->mHourDiff = $request->getVal( 'wpHourDiff' );
+		$this->mSearchLines = $request->getVal( 'wpSearchLines' );
+		$this->mSearchChars = $request->getVal( 'wpSearchChars' );
+		$this->mImageSize = $request->getVal( 'wpImageSize' );
+		$this->mThumbSize = $request->getInt( 'wpThumbSize' );
+		$this->mUnderline = $request->getInt( 'wpOpunderline' );
+		$this->mAction = $request->getVal( 'action' );
+		$this->mReset = $request->getCheck( 'wpReset' );
+		$this->mPosted = $request->wasPosted();
+		$this->mSuccess = $request->getCheck( 'success' );
+		$this->mWatchlistDays = $request->getVal( 'wpWatchlistDays' );
+		$this->mWatchlistEdits = $request->getVal( 'wpWatchlistEdits' );
+
+		$this->mSaveprefs = $request->getCheck( 'wpSaveprefs' ) &&
+			$this->mPosted &&
+			$wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
+
+		# User toggles  (the big ugly unsorted list of checkboxes)
+		$this->mToggles = array();
+		if ( $this->mPosted ) {
+			$togs = $wgLang->getUserToggles();
+			foreach ( $togs as $tname ) {
+				$this->mToggles[$tname] = $request->getCheck( "wpOp$tname" ) ? 1 : 0;
+			}
+		}
+
+		$this->mUsedToggles = array();
+
+		# Search namespace options
+		# Note: namespaces don't necessarily have consecutive keys
+		$this->mSearchNs = array();
+		if ( $this->mPosted ) {
+			$namespaces = $wgContLang->getNamespaces();
+			foreach ( $namespaces as $i => $namespace ) {
+				if ( $i >= 0 ) {
+					$this->mSearchNs[$i] = $request->getCheck( "wpNs$i" ) ? 1 : 0;
+				}
+			}
+		}
+
+		# Validate language
+		if ( !preg_match( '/^[a-z\-]*$/', $this->mUserLanguage ) ) {
+			$this->mUserLanguage = 'nolanguage';
+		}
+	}
+
+	function execute() {
+		global $wgUser, $wgOut;
+
+		if ( $wgUser->isAnon() ) {
+			$wgOut->showErrorPage( 'prefsnologin', 'prefsnologintext' );
+			return;
+		}
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+		if ( $this->mReset ) {
+			$this->resetPrefs();
+			$this->mainPrefsForm( 'reset', wfMsg( 'prefsreset' ) );
+		} else if ( $this->mSaveprefs ) {
+			$this->savePreferences();
+		} else {
+			$this->resetPrefs();
+			$this->mainPrefsForm( '' );
+		}
+	}
+	/**
+	 * @access private
+	 */
+	function validateInt( &$val, $min=0, $max=0x7fffffff ) {
+		$val = intval($val);
+		$val = min($val, $max);
+		$val = max($val, $min);
+		return $val;
+	}
+
+	/**
+	 * @access private
+	 */
+	function validateFloat( &$val, $min, $max=0x7fffffff ) {
+		$val = floatval( $val );
+		$val = min( $val, $max );
+		$val = max( $val, $min );
+		return( $val );
+	}
+
+	/**
+	 * @access private
+	 */
+	function validateIntOrNull( &$val, $min=0, $max=0x7fffffff ) {
+		$val = trim($val);
+		if($val === '') {
+			return $val;
+		} else {
+			return $this->validateInt( $val, $min, $max );
+		}
+	}
+
+	/**
+	 * @access private
+	 */
+	function validateDate( &$val, $min = 0, $max=0x7fffffff ) {
+		if ( ( sprintf('%d', $val) === $val && $val >= $min && $val <= $max ) || $val == 'ISO 8601' )
+			return $val;
+		else
+			return 0;
+	}
+
+	/**
+	 * Used to validate the user inputed timezone before saving it as
+	 * 'timeciorrection', will return '00:00' if fed bogus data.
+	 * Note: It's not a 100% correct implementation timezone-wise, it will
+	 * accept stuff like '14:30',
+	 * @access private
+	 * @param string $s the user input
+	 * @return string
+	 */
+	function validateTimeZone( $s ) {
+		if ( $s !== '' ) {
+			if ( strpos( $s, ':' ) ) {
+				# HH:MM
+				$array = explode( ':' , $s );
+				$hour = intval( $array[0] );
+				$minute = intval( $array[1] );
+			} else {
+				$minute = intval( $s * 60 );
+				$hour = intval( $minute / 60 );
+				$minute = abs( $minute ) % 60;
+			}
+			# Max is +14:00 and min is -12:00, see:
+			# http://en.wikipedia.org/wiki/Timezone
+			$hour = min( $hour, 14 );
+			$hour = max( $hour, -12 );
+			$minute = min( $minute, 59 );
+			$minute = max( $minute, 0 );
+			$s = sprintf( "%02d:%02d", $hour, $minute );
+		}
+		return $s;
+	}
+
+	/**
+	 * @access private
+	 */
+	function savePreferences() {
+		global $wgUser, $wgOut, $wgParser;
+		global $wgEnableUserEmail, $wgEnableEmail;
+		global $wgEmailAuthentication, $wgMinimalPasswordLength;
+		global $wgAuth;
+
+
+		if ( '' != $this->mNewpass && $wgAuth->allowPasswordChange() ) {
+			if ( $this->mNewpass != $this->mRetypePass ) {
+				$this->mainPrefsForm( 'error', wfMsg( 'badretype' ) );
+				return;
+			}
+
+			if ( strlen( $this->mNewpass ) < $wgMinimalPasswordLength ) {
+				$this->mainPrefsForm( 'error', wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
+				return;
+			}
+
+			if (!$wgUser->checkPassword( $this->mOldpass )) {
+				$this->mainPrefsForm( 'error', wfMsg( 'wrongpassword' ) );
+				return;
+			}
+			if (!$wgAuth->setPassword( $wgUser, $this->mNewpass )) {
+				$this->mainPrefsForm( 'error', wfMsg( 'externaldberror' ) );
+				return;
+			}
+			$wgUser->setPassword( $this->mNewpass );
+			$this->mNewpass = $this->mOldpass = $this->mRetypePass = '';
+
+		}
+		$wgUser->setRealName( $this->mRealName );
+
+		if( $wgUser->getOption( 'language' ) !== $this->mUserLanguage ) {
+			$needRedirect = true;
+		} else {
+			$needRedirect = false;
+		}
+
+		# Validate the signature and clean it up as needed
+		if( $this->mToggles['fancysig'] ) {
+			if( Parser::validateSig( $this->mNick ) !== false ) {
+				$this->mNick = $wgParser->cleanSig( $this->mNick );
+			} else {
+				$this->mainPrefsForm( 'error', wfMsg( 'badsig' ) );
+			}
+		} else {
+			// When no fancy sig used, make sure ~{3,5} get removed.
+			$this->mNick = $wgParser->cleanSigInSig( $this->mNick );
+		}
+
+		$wgUser->setOption( 'language', $this->mUserLanguage );
+		$wgUser->setOption( 'variant', $this->mUserVariant );
+		$wgUser->setOption( 'nickname', $this->mNick );
+		$wgUser->setOption( 'quickbar', $this->mQuickbar );
+		$wgUser->setOption( 'skin', $this->mSkin );
+		global $wgUseTeX;
+		if( $wgUseTeX ) {
+			$wgUser->setOption( 'math', $this->mMath );
+		}
+		$wgUser->setOption( 'date', $this->validateDate( $this->mDate, 0, 20 ) );
+		$wgUser->setOption( 'searchlimit', $this->validateIntOrNull( $this->mSearch ) );
+		$wgUser->setOption( 'contextlines', $this->validateIntOrNull( $this->mSearchLines ) );
+		$wgUser->setOption( 'contextchars', $this->validateIntOrNull( $this->mSearchChars ) );
+		$wgUser->setOption( 'rclimit', $this->validateIntOrNull( $this->mRecent ) );
+		$wgUser->setOption( 'wllimit', $this->validateIntOrNull( $this->mWatchlistEdits, 0, 1000 ) );
+		$wgUser->setOption( 'rows', $this->validateInt( $this->mRows, 4, 1000 ) );
+		$wgUser->setOption( 'cols', $this->validateInt( $this->mCols, 4, 1000 ) );
+		$wgUser->setOption( 'stubthreshold', $this->validateIntOrNull( $this->mStubs ) );
+		$wgUser->setOption( 'timecorrection', $this->validateTimeZone( $this->mHourDiff, -12, 14 ) );
+		$wgUser->setOption( 'imagesize', $this->mImageSize );
+		$wgUser->setOption( 'thumbsize', $this->mThumbSize );
+		$wgUser->setOption( 'underline', $this->validateInt($this->mUnderline, 0, 2) );
+		$wgUser->setOption( 'watchlistdays', $this->validateFloat( $this->mWatchlistDays, 0, 7 ) );
+
+		# Set search namespace options
+		foreach( $this->mSearchNs as $i => $value ) {
+			$wgUser->setOption( "searchNs{$i}", $value );
+		}
+
+		if( $wgEnableEmail && $wgEnableUserEmail ) {
+			$wgUser->setOption( 'disablemail', $this->mEmailFlag );
+		}
+
+		# Set user toggles
+		foreach ( $this->mToggles as $tname => $tvalue ) {
+			$wgUser->setOption( $tname, $tvalue );
+		}
+		if (!$wgAuth->updateExternalDB($wgUser)) {
+			$this->mainPrefsForm( wfMsg( 'externaldberror' ) );
+			return;
+		}
+		$wgUser->setCookies();
+		$wgUser->saveSettings();
+
+		$error = false;
+		if( $wgEnableEmail ) {
+			$newadr = $this->mUserEmail;
+			$oldadr = $wgUser->getEmail();
+			if( ($newadr != '') && ($newadr != $oldadr) ) {
+				# the user has supplied a new email address on the login page
+				if( $wgUser->isValidEmailAddr( $newadr ) ) {
+					$wgUser->mEmail = $newadr; # new behaviour: set this new emailaddr from login-page into user database record
+					$wgUser->mEmailAuthenticated = null; # but flag as "dirty" = unauthenticated
+					$wgUser->saveSettings();
+					if ($wgEmailAuthentication) {
+						# Mail a temporary password to the dirty address.
+						# User can come back through the confirmation URL to re-enable email.
+						$result = $wgUser->sendConfirmationMail();
+						if( WikiError::isError( $result ) ) {
+							$error = wfMsg( 'mailerror', htmlspecialchars( $result->getMessage() ) );
+						} else {
+							$error = wfMsg( 'eauthentsent', $wgUser->getName() );
+						}
+					}
+				} else {
+					$error = wfMsg( 'invalidemailaddress' );
+				}
+			} else {
+				$wgUser->setEmail( $this->mUserEmail );
+				$wgUser->setCookies();
+				$wgUser->saveSettings();
+			}
+		}
+
+		if( $needRedirect && $error === false ) {
+			$title =& Title::makeTitle( NS_SPECIAL, "Preferences" );
+			$wgOut->redirect($title->getFullURL('success'));
+			return;
+		}
+
+		$wgOut->setParserOptions( ParserOptions::newFromUser( $wgUser ) );
+		$po = ParserOptions::newFromUser( $wgUser );
+		$this->mainPrefsForm( $error === false ? 'success' : 'error', $error);
+	}
+
+	/**
+	 * @access private
+	 */
+	function resetPrefs() {
+		global $wgUser, $wgLang, $wgContLang, $wgAllowRealName;
+
+		$this->mOldpass = $this->mNewpass = $this->mRetypePass = '';
+		$this->mUserEmail = $wgUser->getEmail();
+		$this->mUserEmailAuthenticationtimestamp = $wgUser->getEmailAuthenticationtimestamp();
+		$this->mRealName = ($wgAllowRealName) ? $wgUser->getRealName() : '';
+		$this->mUserLanguage = $wgUser->getOption( 'language' );
+		if( empty( $this->mUserLanguage ) ) {
+			# Quick hack for conversions, where this value is blank
+			global $wgContLanguageCode;
+			$this->mUserLanguage = $wgContLanguageCode;
+		}
+		$this->mUserVariant = $wgUser->getOption( 'variant');
+		$this->mEmailFlag = $wgUser->getOption( 'disablemail' ) == 1 ? 1 : 0;
+		$this->mNick = $wgUser->getOption( 'nickname' );
+
+		$this->mQuickbar = $wgUser->getOption( 'quickbar' );
+		$this->mSkin = Skin::normalizeKey( $wgUser->getOption( 'skin' ) );
+		$this->mMath = $wgUser->getOption( 'math' );
+		$this->mDate = $wgUser->getOption( 'date' );
+		$this->mRows = $wgUser->getOption( 'rows' );
+		$this->mCols = $wgUser->getOption( 'cols' );
+		$this->mStubs = $wgUser->getOption( 'stubthreshold' );
+		$this->mHourDiff = $wgUser->getOption( 'timecorrection' );
+		$this->mSearch = $wgUser->getOption( 'searchlimit' );
+		$this->mSearchLines = $wgUser->getOption( 'contextlines' );
+		$this->mSearchChars = $wgUser->getOption( 'contextchars' );
+		$this->mImageSize = $wgUser->getOption( 'imagesize' );
+		$this->mThumbSize = $wgUser->getOption( 'thumbsize' );
+		$this->mRecent = $wgUser->getOption( 'rclimit' );
+		$this->mWatchlistEdits = $wgUser->getOption( 'wllimit' );
+		$this->mUnderline = $wgUser->getOption( 'underline' );
+		$this->mWatchlistDays = $wgUser->getOption( 'watchlistdays' );
+
+		$togs = $wgLang->getUserToggles();
+		foreach ( $togs as $tname ) {
+			$ttext = wfMsg('tog-'.$tname);
+			$this->mToggles[$tname] = $wgUser->getOption( $tname );
+		}
+
+		$namespaces = $wgContLang->getNamespaces();
+		foreach ( $namespaces as $i => $namespace ) {
+			if ( $i >= NS_MAIN ) {
+				$this->mSearchNs[$i] = $wgUser->getOption( 'searchNs'.$i );
+			}
+		}
+	}
+
+	/**
+	 * @access private
+	 */
+	function namespacesCheckboxes() {
+		global $wgContLang;
+
+		# Determine namespace checkboxes
+		$namespaces = $wgContLang->getNamespaces();
+		$r1 = null;
+
+		foreach ( $namespaces as $i => $name ) {
+			if ($i < 0)
+				continue;
+			$checked = $this->mSearchNs[$i] ? "checked='checked'" : '';
+			$name = str_replace( '_', ' ', $namespaces[$i] );
+
+			if ( empty($name) )
+				$name = wfMsg( 'blanknamespace' );
+
+			$r1 .= "<input type='checkbox' value='1' name='wpNs$i' id='wpNs$i' {$checked}/> <label for='wpNs$i'>{$name}</label><br />\n";
+		}
+		return $r1;
+	}
+
+
+	function getToggle( $tname, $trailer = false, $disabled = false ) {
+		global $wgUser, $wgLang;
+
+		$this->mUsedToggles[$tname] = true;
+		$ttext = $wgLang->getUserToggle( $tname );
+
+		$checked = $wgUser->getOption( $tname ) == 1 ? ' checked="checked"' : '';
+		$disabled = $disabled ? ' disabled="disabled"' : '';
+		$trailer = $trailer ? $trailer : '';
+		return "<div class='toggle'><input type='checkbox' value='1' id=\"$tname\" name=\"wpOp$tname\"$checked$disabled />" .
+			" <span class='toggletext'><label for=\"$tname\">$ttext</label>$trailer</span></div>\n";
+	}
+
+	function getToggles( $items ) {
+		$out = "";
+		foreach( $items as $item ) {
+			if( $item === false )
+				continue;
+			if( is_array( $item ) ) {
+				list( $key, $trailer ) = $item;
+			} else {
+				$key = $item;
+				$trailer = false;
+			}
+			$out .= $this->getToggle( $key, $trailer );
+		}
+		return $out;
+	}
+
+	function addRow($td1, $td2) {
+		return "<tr><td align='right'>$td1</td><td align='left'>$td2</td></tr>";
+	}
+
+	/**
+	 * @access private
+	 */
+	function mainPrefsForm( $status , $message = '' ) {
+		global $wgUser, $wgOut, $wgLang, $wgContLang;
+		global $wgAllowRealName, $wgImageLimits, $wgThumbLimits;
+		global $wgDisableLangConversion;
+		global $wgEnotifWatchlist, $wgEnotifUserTalk,$wgEnotifMinorEdits;
+		global $wgRCShowWatchingUsers, $wgEnotifRevealEditorAddress;
+		global $wgEnableEmail, $wgEnableUserEmail, $wgEmailAuthentication;
+		global $wgContLanguageCode, $wgDefaultSkin, $wgSkipSkins, $wgAuth;
+
+		$wgOut->setPageTitle( wfMsg( 'preferences' ) );
+		$wgOut->setArticleRelated( false );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+
+		if ( $this->mSuccess || 'success' == $status ) {
+			$wgOut->addWikitext( '<div class="successbox"><strong>'. wfMsg( 'savedprefs' ) . '</strong></div>' );
+		} else	if ( 'error' == $status ) {
+			$wgOut->addWikitext( '<div class="errorbox"><strong>' . $message  . '</strong></div>' );
+		} else if ( '' != $status ) {
+			$wgOut->addWikitext( $message . "\n----" );
+		}
+
+		$qbs = $wgLang->getQuickbarSettings();
+		$skinNames = $wgLang->getSkinNames();
+		$mathopts = $wgLang->getMathNames();
+		$dateopts = $wgLang->getDateFormats();
+		$togs = $wgLang->getUserToggles();
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Preferences' );
+		$action = $titleObj->escapeLocalURL();
+
+		# Pre-expire some toggles so they won't show if disabled
+		$this->mUsedToggles[ 'shownumberswatching' ] = true;
+		$this->mUsedToggles[ 'showupdated' ] = true;
+		$this->mUsedToggles[ 'enotifwatchlistpages' ] = true;
+		$this->mUsedToggles[ 'enotifusertalkpages' ] = true;
+		$this->mUsedToggles[ 'enotifminoredits' ] = true;
+		$this->mUsedToggles[ 'enotifrevealaddr' ] = true;
+		$this->mUsedToggles[ 'uselivepreview' ] = true;
+
+		# Enotif
+		# <FIXME>
+		$this->mUserEmail = htmlspecialchars( $this->mUserEmail );
+		$this->mRealName = htmlspecialchars( $this->mRealName );
+		$rawNick = $this->mNick;
+		$this->mNick = htmlspecialchars( $this->mNick );
+		if ( !$this->mEmailFlag ) { $emfc = 'checked="checked"'; }
+		else { $emfc = ''; }
+
+
+		if ($wgEmailAuthentication && ($this->mUserEmail != '') ) {
+			if( $wgUser->getEmailAuthenticationTimestamp() ) {
+				$emailauthenticated = wfMsg('emailauthenticated',$wgLang->timeanddate($wgUser->getEmailAuthenticationTimestamp(), true ) ).'<br />';
+				$disableEmailPrefs = false;
+			} else {
+				$disableEmailPrefs = true;
+				$skin = $wgUser->getSkin();
+				$emailauthenticated = wfMsg('emailnotauthenticated').'<br />' .
+					$skin->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Confirmemail' ),
+						wfMsg( 'emailconfirmlink' ) );
+			}
+		} else {
+			$emailauthenticated = '';
+			$disableEmailPrefs = false;
+		}
+
+		if ($this->mUserEmail == '') {
+			$emailauthenticated = wfMsg( 'noemailprefs' );
+		}
+
+		$ps = $this->namespacesCheckboxes();
+
+		$enotifwatchlistpages = ($wgEnotifWatchlist) ? $this->getToggle( 'enotifwatchlistpages', false, $disableEmailPrefs ) : '';
+		$enotifusertalkpages = ($wgEnotifUserTalk) ? $this->getToggle( 'enotifusertalkpages', false, $disableEmailPrefs ) : '';
+		$enotifminoredits = ($wgEnotifWatchlist && $wgEnotifMinorEdits) ? $this->getToggle( 'enotifminoredits', false, $disableEmailPrefs ) : '';
+		$enotifrevealaddr = (($wgEnotifWatchlist || $wgEnotifUserTalk) && $wgEnotifRevealEditorAddress) ? $this->getToggle( 'enotifrevealaddr', false, $disableEmailPrefs ) : '';
+		$prefs_help_email_enotif = ( $wgEnotifWatchlist || $wgEnotifUserTalk) ? ' ' . wfMsg('prefs-help-email-enotif') : '';
+		$prefs_help_realname = '';
+
+		# </FIXME>
+
+		$wgOut->addHTML( "<form action=\"$action\" method='post'>" );
+		$wgOut->addHTML( "<div id='preferences'>" );
+
+		# User data
+		#
+
+		$wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg('prefs-personal') . "</legend>\n<table>\n");
+
+		$wgOut->addHTML(
+			$this->addRow(
+				wfMsg( 'username'),
+				$wgUser->getName()
+			)
+		);
+
+		$wgOut->addHTML(
+			$this->addRow(
+				wfMsg( 'uid' ),
+				$wgUser->getID()
+			)
+		);
+
+
+		if ($wgAllowRealName) {
+			$wgOut->addHTML(
+				$this->addRow(
+					'<label for="wpRealName">' . wfMsg('yourrealname') . '</label>',
+					"<input type='text' name='wpRealName' id='wpRealName' value=\"{$this->mRealName}\" size='25' />"
+				)
+			);
+		}
+		if ($wgEnableEmail) {
+			$wgOut->addHTML(
+				$this->addRow(
+					'<label for="wpUserEmail">' . wfMsg( 'youremail' ) . '</label>',
+					"<input type='text' name='wpUserEmail' id='wpUserEmail' value=\"{$this->mUserEmail}\" size='25' />"
+				)
+			);
+		}
+
+		global $wgParser;
+		if( !empty( $this->mToggles['fancysig'] ) &&
+			false === $wgParser->validateSig( $rawNick ) ) {
+			$invalidSig = $this->addRow(
+				'&nbsp;',
+				'<span class="error">' . wfMsgHtml( 'badsig' ) . '<span>'
+			);
+		} else {
+			$invalidSig = '';
+		}
+
+		$wgOut->addHTML(
+			$this->addRow(
+				'<label for="wpNick">' . wfMsg( 'yournick' ) . '</label>',
+				"<input type='text' name='wpNick' id='wpNick' value=\"{$this->mNick}\" size='25' />"
+			) .
+			$invalidSig .
+			# FIXME: The <input> part should be where the &nbsp; is, getToggle() needs
+			# to be changed to out return its output in two parts. -ævar
+			$this->addRow(
+				'&nbsp;',
+				$this->getToggle( 'fancysig' )
+			)
+		);
+
+		/**
+		 * Make sure the site language is in the list; a custom language code
+		 * might not have a defined name...
+		 */
+		$languages = $wgLang->getLanguageNames();
+		if( !array_key_exists( $wgContLanguageCode, $languages ) ) {
+			$languages[$wgContLanguageCode] = $wgContLanguageCode;
+		}
+		ksort( $languages );
+
+		/**
+		 * If a bogus value is set, default to the content language.
+		 * Otherwise, no default is selected and the user ends up
+		 * with an Afrikaans interface since it's first in the list.
+		 */
+		$selectedLang = isset( $languages[$this->mUserLanguage] ) ? $this->mUserLanguage : $wgContLanguageCode;
+		$selbox = null;
+		foreach($languages as $code => $name) {
+			global $IP;
+			/* only add languages that have a file */
+			$langfile="$IP/languages/Language".str_replace('-', '_', ucfirst($code)).".php";
+			if(file_exists($langfile) || $code == $wgContLanguageCode) {
+				$sel = ($code == $selectedLang)? ' selected="selected"' : '';
+				$selbox .= "<option value=\"$code\"$sel>$code - $name</option>\n";
+			}
+		}
+		$wgOut->addHTML(
+			$this->addRow(
+				'<label for="wpUserLanguage">' . wfMsg('yourlanguage') . '</label>',
+				"<select name='wpUserLanguage' id='wpUserLanguage'>$selbox</select>"
+			)
+		);
+
+		/* see if there are multiple language variants to choose from*/
+		if(!$wgDisableLangConversion) {
+			$variants = $wgContLang->getVariants();
+			$variantArray = array();
+
+			foreach($variants as $v) {
+				$v = str_replace( '_', '-', strtolower($v));
+				if( array_key_exists( $v, $languages ) ) {
+					// If it doesn't have a name, we'll pretend it doesn't exist
+					$variantArray[$v] = $languages[$v];
+				}
+			}
+
+			$selbox = null;
+			foreach($variantArray as $code => $name) {
+				$sel = $code == $this->mUserVariant ? 'selected="selected"' : '';
+				$selbox .= "<option value=\"$code\" $sel>$code - $name</option>";
+			}
+
+			if(count($variantArray) > 1) {
+				$wgOut->addHtml(
+					$this->addRow( wfMsg( 'yourvariant' ), "<select name='wpUserVariant'>$selbox</select>" )
+				);
+			}
+		}
+		$wgOut->addHTML('</table>');
+
+		# Password
+		if( $wgAuth->allowPasswordChange() ) {
+			$this->mOldpass = htmlspecialchars( $this->mOldpass );
+			$this->mNewpass = htmlspecialchars( $this->mNewpass );
+			$this->mRetypePass = htmlspecialchars( $this->mRetypePass );
+	
+			$wgOut->addHTML( '<fieldset><legend>' . wfMsg( 'changepassword' ) . '</legend><table>');
+			$wgOut->addHTML(
+				$this->addRow(
+					'<label for="wpOldpass">' . wfMsg( 'oldpassword' ) . '</label>',
+					"<input type='password' name='wpOldpass' id='wpOldpass' value=\"{$this->mOldpass}\" size='20' />"
+				) .
+				$this->addRow(
+					'<label for="wpNewpass">' . wfMsg( 'newpassword' ) . '</label>',
+					"<input type='password' name='wpNewpass' id='wpNewpass' value=\"{$this->mNewpass}\" size='20' />"
+				) .
+				$this->addRow(
+					'<label for="wpRetypePass">' . wfMsg( 'retypenew' ) . '</label>',
+					"<input type='password' name='wpRetypePass' id='wpRetypePass' value=\"{$this->mRetypePass}\" size='20' />"
+				) .
+				"</table>\n" .
+				$this->getToggle( "rememberpassword" ) . "</fieldset>\n\n" );
+		}
+
+		# <FIXME>
+		# Enotif
+		if ($wgEnableEmail) {
+			$wgOut->addHTML( '<fieldset><legend>' . wfMsg( 'email' ) . '</legend>' );
+			$wgOut->addHTML(
+					$emailauthenticated.
+					$enotifrevealaddr.
+					$enotifwatchlistpages.
+					$enotifusertalkpages.
+					$enotifminoredits );
+			if ($wgEnableUserEmail) {
+			$emf = wfMsg( 'allowemail' );
+				$disabled = $disableEmailPrefs ? ' disabled="disabled"' : '';
+				$wgOut->addHTML(
+				"<div><input type='checkbox' $emfc $disabled value='1' name='wpEmailFlag' id='wpEmailFlag' /> <label for='wpEmailFlag'>$emf</label></div>" );
+			}
+
+			$wgOut->addHTML( '</fieldset>' );
+		}
+		# </FIXME>
+
+		# Show little "help" tips for the real name and email address options
+		if( $wgAllowRealName || $wgEnableEmail ) {
+			if( $wgAllowRealName )
+				$tips[] = wfMsg( 'prefs-help-realname' );
+			if( $wgEnableEmail )
+				$tips[] = wfMsg( 'prefs-help-email' );
+			$wgOut->addHtml( '<div class="prefsectiontip">' . implode( '<br />', $tips ) . '</div>' );
+		}		
+
+		$wgOut->addHTML( '</fieldset>' );
+
+		# Quickbar
+		#
+		if ($this->mSkin == 'cologneblue' || $this->mSkin == 'standard') {
+			$wgOut->addHtml( "<fieldset>\n<legend>" . wfMsg( 'qbsettings' ) . "</legend>\n" );
+			for ( $i = 0; $i < count( $qbs ); ++$i ) {
+				if ( $i == $this->mQuickbar ) { $checked = ' checked="checked"'; }
+				else { $checked = ""; }
+				$wgOut->addHTML( "<div><label><input type='radio' name='wpQuickbar' value=\"$i\"$checked />{$qbs[$i]}</label></div>\n" );
+			}
+			$wgOut->addHtml( "</fieldset>\n\n" );
+		} else {
+			# Need to output a hidden option even if the relevant skin is not in use,
+			# otherwise the preference will get reset to 0 on submit
+			$wgOut->addHtml( wfHidden( 'wpQuickbar', $this->mQuickbar ) );
+		}
+
+		# Skin
+		#
+		$wgOut->addHTML( "<fieldset>\n<legend>\n" . wfMsg('skin') . "</legend>\n" );
+		$mptitle = Title::newMainPage();
+		$previewtext = wfMsg('skinpreview');
+		# Only show members of Skin::getSkinNames() rather than
+		# $skinNames (skins is all skin names from Language.php)
+		$validSkinNames = Skin::getSkinNames();
+		foreach ($validSkinNames as $skinkey => $skinname ) {
+			if ( in_array( $skinkey, $wgSkipSkins ) ) {
+				continue;
+			}
+			$checked = $skinkey == $this->mSkin ? ' checked="checked"' : '';
+			$sn = isset( $skinNames[$skinkey] ) ? $skinNames[$skinkey] : $skinname;
+
+			$mplink = htmlspecialchars($mptitle->getLocalURL("useskin=$skinkey"));
+			$previewlink = "<a target='_blank' href=\"$mplink\">$previewtext</a>";
+			if( $skinkey == $wgDefaultSkin )
+				$sn .= ' (' . wfMsg( 'default' ) . ')';
+			$wgOut->addHTML( "<input type='radio' name='wpSkin' id=\"wpSkin$skinkey\" value=\"$skinkey\"$checked /> <label for=\"wpSkin$skinkey\">{$sn}</label> $previewlink<br />\n" );
+		}
+		$wgOut->addHTML( "</fieldset>\n\n" );
+
+		# Math
+		#
+		global $wgUseTeX;
+		if( $wgUseTeX ) {
+			$wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg('math') . '</legend>' );
+			foreach ( $mathopts as $k => $v ) {
+				$checked = $k == $this->mMath ? ' checked="checked"' : '';
+				$wgOut->addHTML( "<div><label><input type='radio' name='wpMath' value=\"$k\"$checked /> ".wfMsg($v)."</label></div>\n" );
+			}
+			$wgOut->addHTML( "</fieldset>\n\n" );
+		}
+
+		# Files
+		#
+		$wgOut->addHTML("<fieldset>
+			<legend>" . wfMsg( 'files' ) . "</legend>
+			<div><label for='wpImageSize'>" . wfMsg('imagemaxsize') . "</label> <select id='wpImageSize' name='wpImageSize'>");
+
+			$imageLimitOptions = null;
+			foreach ( $wgImageLimits as $index => $limits ) {
+				$selected = ($index == $this->mImageSize) ? 'selected="selected"' : '';
+				$imageLimitOptions .= "<option value=\"{$index}\" {$selected}>{$limits[0]}×{$limits[1]}". wfMsgHtml('unit-pixel') ."</option>\n";
+			}
+
+			$imageThumbOptions = null;
+			$wgOut->addHTML( "{$imageLimitOptions}</select></div>
+				<div><label for='wpThumbSize'>" . wfMsg('thumbsize') . "</label> <select name='wpThumbSize' id='wpThumbSize'>");
+			foreach ( $wgThumbLimits as $index => $size ) {
+				$selected = ($index == $this->mThumbSize) ? 'selected="selected"' : '';
+				$imageThumbOptions .= "<option value=\"{$index}\" {$selected}>{$size}". wfMsgHtml('unit-pixel') ."</option>\n";
+			}
+			$wgOut->addHTML( "{$imageThumbOptions}</select></div></fieldset>\n\n");
+
+		# Date format
+		#
+		# Date/Time
+		#
+
+		$wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg( 'datetime' ) . "</legend>\n" );
+
+		if ($dateopts) {
+			$wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg( 'dateformat' ) . "</legend>\n" );
+			$idCnt = 0;
+			$epoch = '20010408091234';
+			foreach($dateopts as $key => $option) {
+				if( $key == MW_DATE_DEFAULT ) {
+					$formatted = wfMsgHtml( 'datedefault' );
+				} else {
+					$formatted = htmlspecialchars( $wgLang->timeanddate( $epoch, false, $key ) );
+				}
+				($key == $this->mDate) ? $checked = ' checked="checked"' : $checked = '';
+				$wgOut->addHTML( "<div><input type='radio' name=\"wpDate\" id=\"wpDate$idCnt\" ".
+					"value=\"$key\"$checked /> <label for=\"wpDate$idCnt\">$formatted</label></div>\n" );
+				$idCnt++;
+			}
+			$wgOut->addHTML( "</fieldset>\n" );
+		}
+
+		$nowlocal = $wgLang->time( $now = wfTimestampNow(), true );
+		$nowserver = $wgLang->time( $now, false );
+
+		$wgOut->addHTML( '<fieldset><legend>' . wfMsg( 'timezonelegend' ). '</legend><table>' .
+		 	$this->addRow( wfMsg( 'servertime' ), $nowserver ) .
+			$this->addRow( wfMsg( 'localtime' ), $nowlocal ) .
+			$this->addRow(
+				'<label for="wpHourDiff">' . wfMsg( 'timezoneoffset' ) . '</label>',
+				"<input type='text' name='wpHourDiff' id='wpHourDiff' value=\"" . htmlspecialchars( $this->mHourDiff ) . "\" size='6' />"
+			) . "<tr><td colspan='2'>
+				<input type='button' value=\"" . wfMsg( 'guesstimezone' ) ."\"
+				onclick='javascript:guessTimezone()' id='guesstimezonebutton' style='display:none;' />
+				</td></tr></table></fieldset>
+			<div class='prefsectiontip'>¹" .  wfMsg( 'timezonetext' ) . "</div>
+		</fieldset>\n\n" );
+
+		# Editing
+		#
+		global $wgLivePreview, $wgUseRCPatrol;
+		$wgOut->addHTML( '<fieldset><legend>' . wfMsg( 'textboxsize' ) . '</legend>
+			<div>' .
+				wfInputLabel( wfMsg( 'rows' ), 'wpRows', 'wpRows', 3, $this->mRows ) .
+				' ' .
+				wfInputLabel( wfMsg( 'columns' ), 'wpCols', 'wpCols', 3, $this->mCols ) .
+			"</div>" .
+			$this->getToggles( array(
+				'editsection',
+				'editsectiononrightclick',
+				'editondblclick',
+				'editwidth',
+				'showtoolbar',
+				'previewonfirst',
+				'previewontop',
+				'watchcreations',
+				'watchdefault',
+				'minordefault',
+				'externaleditor',
+				'externaldiff',
+				$wgLivePreview ? 'uselivepreview' : false,
+				$wgUser->isAllowed( 'patrol' ) && $wgUseRCPatrol ? 'autopatrol' : false,
+				'forceeditsummary',
+			) ) . '</fieldset>'
+		);
+		$this->mUsedToggles['autopatrol'] = true; # Don't show this up for users who can't; the handler below is dumb and doesn't know it
+
+		$wgOut->addHTML( '<fieldset><legend>' . htmlspecialchars(wfMsg('prefs-rc')) . '</legend>' .
+					wfInputLabel( wfMsg( 'recentchangescount' ),
+						'wpRecent', 'wpRecent', 3, $this->mRecent ) .
+			$this->getToggles( array(
+				'hideminor',
+				$wgRCShowWatchingUsers ? 'shownumberswatching' : false,
+				'usenewrc' )
+			) . '</fieldset>'
+		);
+
+		# Watchlist
+		$wgOut->addHTML( '<fieldset><legend>' . wfMsgHtml( 'prefs-watchlist' ) . '</legend>' );
+
+		$wgOut->addHTML( wfInputLabel( wfMsg( 'prefs-watchlist-days' ),
+			'wpWatchlistDays', 'wpWatchlistDays', 3, $this->mWatchlistDays ) );
+		$wgOut->addHTML( '<br /><br />' ); # Spacing
+		$wgOut->addHTML( $this->getToggles( array( 'watchlisthideown', 'watchlisthidebots', 'extendwatchlist' ) ) );
+		$wgOut->addHTML( wfInputLabel( wfMsg( 'prefs-watchlist-edits' ),
+			'wpWatchlistEdits', 'wpWatchlistEdits', 3, $this->mWatchlistEdits ) );
+
+		$wgOut->addHTML( '</fieldset>' );
+
+		# Search
+		$wgOut->addHTML( '<fieldset><legend>' . wfMsg( 'searchresultshead' ) . '</legend><table>' .
+			$this->addRow(
+				wfLabel( wfMsg( 'resultsperpage' ), 'wpSearch' ),
+				wfInput( 'wpSearch', 4, $this->mSearch, array( 'id' => 'wpSearch' ) )
+			) .
+			$this->addRow(
+				wfLabel( wfMsg( 'contextlines' ), 'wpSearchLines' ),
+				wfInput( 'wpSearchLines', 4, $this->mSearchLines, array( 'id' => 'wpSearchLines' ) )
+			) .
+			$this->addRow(
+				wfLabel( wfMsg( 'contextchars' ), 'wpSearchChars' ),
+				wfInput( 'wpSearchChars', 4, $this->mSearchChars, array( 'id' => 'wpSearchChars' ) )
+			) .
+		"</table><fieldset><legend>" . wfMsg( 'defaultns' ) . "</legend>$ps</fieldset></fieldset>" );
+
+		# Misc
+		#
+		$wgOut->addHTML('<fieldset><legend>' . wfMsg('prefs-misc') . '</legend>');
+		$wgOut->addHTML( wfInputLabel( wfMsg( 'stubthreshold' ),
+			'wpStubs', 'wpStubs', 6, $this->mStubs ) );
+		$msgUnderline = htmlspecialchars( wfMsg ( 'tog-underline' ) );
+		$msgUnderlinenever = htmlspecialchars( wfMsg ( 'underline-never' ) );
+		$msgUnderlinealways = htmlspecialchars( wfMsg ( 'underline-always' ) );
+		$msgUnderlinedefault = htmlspecialchars( wfMsg ( 'underline-default' ) );
+		$uopt = $wgUser->getOption("underline");
+		$s0 = $uopt == 0 ? ' selected="selected"' : '';
+		$s1 = $uopt == 1 ? ' selected="selected"' : '';
+		$s2 = $uopt == 2 ? ' selected="selected"' : '';
+		$wgOut->addHTML("
+<div class='toggle'><label for='wpOpunderline'>$msgUnderline</label>
+<select name='wpOpunderline' id='wpOpunderline'>
+<option value=\"0\"$s0>$msgUnderlinenever</option>
+<option value=\"1\"$s1>$msgUnderlinealways</option>
+<option value=\"2\"$s2>$msgUnderlinedefault</option>
+</select>
+</div>
+");
+		foreach ( $togs as $tname ) {
+			if( !array_key_exists( $tname, $this->mUsedToggles ) ) {
+				$wgOut->addHTML( $this->getToggle( $tname ) );
+			}
+		}
+		$wgOut->addHTML( '</fieldset>' );
+
+		$token = $wgUser->editToken();
+		$wgOut->addHTML( "
+	<div id='prefsubmit'>
+	<div>
+		<input type='submit' name='wpSaveprefs' class='btnSavePrefs' value=\"" . wfMsgHtml( 'saveprefs' ) . "\" accesskey=\"".
+		wfMsgHtml('accesskey-save')."\" title=\"".wfMsgHtml('tooltip-save')."\" />
+		<input type='submit' name='wpReset' value=\"" . wfMsgHtml( 'resetprefs' ) . "\" />
+	</div>
+
+	</div>
+
+	<input type='hidden' name='wpEditToken' value='{$token}' />
+	</div></form>\n" );
+
+		$wgOut->addWikiText( '<div class="prefcache">' . wfMsg('clearyourcache') . '</div>' );
+
+	}
+}
+?>
diff --git a/includes/SpecialPrefixindex.php b/includes/SpecialPrefixindex.php
new file mode 100644
index 00000000..bbfc2782
--- /dev/null
+++ b/includes/SpecialPrefixindex.php
@@ -0,0 +1,149 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+require_once 'SpecialAllpages.php';
+
+/**
+ * Entry point : initialise variables and call subfunctions.
+ * @param $par String: becomes "FOO" when called like Special:Prefixindex/FOO (default NULL)
+ * @param $specialPage SpecialPage object.
+ */
+function wfSpecialPrefixIndex( $par=NULL, $specialPage ) {
+	global $wgRequest, $wgOut, $wgContLang;
+
+	# GET values
+	$from = $wgRequest->getVal( 'from' );
+	$prefix = $wgRequest->getVal( 'prefix' );
+	$namespace = $wgRequest->getInt( 'namespace' );
+
+	$namespaces = $wgContLang->getNamespaces();
+
+	$indexPage = new SpecialPrefixIndex();
+
+	if( !in_array($namespace, array_keys($namespaces)) )
+		$namespace = 0;
+
+	$wgOut->setPagetitle( $namespace > 0 ?
+		wfMsg( 'allinnamespace', $namespaces[$namespace] ) :
+		wfMsg( 'allarticles' )
+		);
+
+
+
+	if ( isset($par) ) {
+		$indexPage->showChunk( $namespace, $par, $specialPage->including(), $from );
+	} elseif ( isset($prefix) ) {
+		$indexPage->showChunk( $namespace, $prefix, $specialPage->including(), $from );
+	} elseif ( isset($from) ) {
+		$indexPage->showChunk( $namespace, $from, $specialPage->including(), $from );
+	} else {
+		$wgOut->addHtml($indexPage->namespaceForm ( $namespace, null ));
+	}
+}
+
+class SpecialPrefixindex extends SpecialAllpages {
+	var $maxPerPage=960;
+	var $topLevelMax=50;
+	var $name='Prefixindex';
+	# Determines, which message describes the input field 'nsfrom', used in function namespaceForm (see superclass SpecialAllpages)
+	var $nsfromMsg='allpagesprefix';
+
+/**
+ * @param integer $namespace (Default NS_MAIN)
+ * @param string $from list all pages from this name (default FALSE)
+ */
+function showChunk( $namespace = NS_MAIN, $prefix, $including = false, $from = null ) {
+	global $wgOut, $wgUser, $wgContLang;
+
+	$fname = 'indexShowChunk';
+
+	$sk = $wgUser->getSkin();
+
+	if (!isset($from)) $from = $prefix;
+
+	$fromList = $this->getNamespaceKeyAndText($namespace, $from);
+	$prefixList = $this->getNamespaceKeyAndText($namespace, $prefix);
+
+	if ( !$prefixList || !$fromList ) {
+		$out = wfMsgWikiHtml( 'allpagesbadtitle' );
+	} else {
+		list( $namespace, $prefixKey, $prefix ) = $prefixList;
+		list( $fromNs, $fromKey, $from ) = $fromList;
+
+		### FIXME: should complain if $fromNs != $namespace
+
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		$res = $dbr->select( 'page',
+			array( 'page_namespace', 'page_title', 'page_is_redirect' ),
+			array(
+				'page_namespace' => $namespace,
+				'page_title LIKE \'' . $dbr->escapeLike( $prefixKey ) .'%\'',
+				'page_title >= ' . $dbr->addQuotes( $fromKey ),
+			),
+			$fname,
+			array(
+				'ORDER BY'  => 'page_title',
+				'LIMIT'     => $this->maxPerPage + 1,
+				'USE INDEX' => 'name_title',
+			)
+		);
+
+		### FIXME: side link to previous
+
+		$n = 0;
+		$out = '<table style="background: inherit;" border="0" width="100%">';
+
+		$namespaces = $wgContLang->getFormattedNamespaces();
+		while( ($n < $this->maxPerPage) && ($s = $dbr->fetchObject( $res )) ) {
+			$t = Title::makeTitle( $s->page_namespace, $s->page_title );
+			if( $t ) {
+				$link = ($s->page_is_redirect ? '<div class="allpagesredirect">' : '' ) .
+					$sk->makeKnownLinkObj( $t, htmlspecialchars( $t->getText() ), false, false ) .
+					($s->page_is_redirect ? '</div>' : '' );
+			} else {
+				$link = '[[' . htmlspecialchars( $s->page_title ) . ']]';
+			}
+			if( $n % 3 == 0 ) {
+				$out .= '<tr>';
+			}
+			$out .= "<td>$link</td>";
+			$n++;
+			if( $n % 3 == 0 ) {
+				$out .= '</tr>';
+			}
+		}
+		if( ($n % 3) != 0 ) {
+			$out .= '</tr>';
+		}
+		$out .= '</table>';
+	}
+
+	if ( $including ) {
+		$out2 = '';
+	} else {
+		$nsForm = $this->namespaceForm ( $namespace, $prefix );
+		$out2 = '<table style="background: inherit;" width="100%" cellpadding="0" cellspacing="0" border="0">';
+		$out2 .= '<tr valign="top"><td align="left">' . $nsForm;
+		$out2 .= '</td><td align="right" style="font-size: smaller; margin-bottom: 1em;">' .
+				$sk->makeKnownLink( $wgContLang->specialPage( $this->name ),
+					wfMsg ( 'allpages' ) );
+		if ( isset($dbr) && $dbr && ($n == $this->maxPerPage) && ($s = $dbr->fetchObject( $res )) ) {
+			$namespaceparam = $namespace ? "&namespace=$namespace" : "";
+			$out2 .= " | " . $sk->makeKnownLink(
+				$wgContLang->specialPage( $this->name ),
+				wfMsg ( 'nextpage', $s->page_title ),
+				"from=" . wfUrlEncode ( $s->page_title ) .
+				"&prefix=" . wfUrlEncode ( $prefix ) . $namespaceparam );
+		}
+		$out2 .= "</td></tr></table><hr />";
+	}
+
+	$wgOut->addHtml( $out2 . $out );
+}
+}
+
+?>
diff --git a/includes/SpecialRandompage.php b/includes/SpecialRandompage.php
new file mode 100644
index 00000000..9d38abcb
--- /dev/null
+++ b/includes/SpecialRandompage.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Constructor
+ *
+ * @param $par The namespace to get a random page from (default NS_MAIN),
+ *               used as e.g. Special:Randompage/Category
+ */
+function wfSpecialRandompage( $par = NS_MAIN ) {
+	global $wgOut, $wgExtraRandompageSQL, $wgContLang, $wgLang;
+	$fname = 'wfSpecialRandompage';
+
+	# Determine namespace
+	$t = Title::newFromText ( $par . ":Dummy" ) ;
+	$namespace = $t->getNamespace () ;
+
+	# NOTE! We use a literal constant in the SQL instead of the RAND()
+	# function because RAND() will return a different value for every row
+	# in the table. That's both very slow and returns results heavily
+	# biased towards low values, as rows later in the table will likely
+	# never be reached for comparison.
+	#
+	# Using a literal constant means the whole thing gets optimized on
+	# the index, and the comparison is both fast and fair.
+
+	# interpolation and sprintf() can muck up with locale-specific decimal separator
+	$randstr = wfRandom();
+
+	$db =& wfGetDB( DB_SLAVE );
+	$use_index = $db->useIndexClause( 'page_random' );
+	$page = $db->tableName( 'page' );
+
+	$extra = $wgExtraRandompageSQL ? "AND ($wgExtraRandompageSQL)" : '';
+	$sql = "SELECT page_id,page_title
+		FROM $page $use_index
+		WHERE page_namespace=$namespace AND page_is_redirect=0 $extra
+		AND page_random>$randstr
+		ORDER BY page_random";
+	$sql = $db->limitResult($sql, 1, 0);
+	$res = $db->query( $sql, $fname );
+
+	$title = null;
+	if( $s = $db->fetchObject( $res ) ) {
+		$title =& Title::makeTitle( $namespace, $s->page_title );
+	}
+	if( is_null( $title ) ) {
+		# That's not supposed to happen :)
+		$title = Title::newFromText( wfMsg( 'mainpage' ) );
+	}
+	$wgOut->reportTime(); # for logfile
+	$wgOut->redirect( $title->getFullUrl() );
+}
+
+?>
diff --git a/includes/SpecialRandomredirect.php b/includes/SpecialRandomredirect.php
new file mode 100644
index 00000000..512553c0
--- /dev/null
+++ b/includes/SpecialRandomredirect.php
@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * Special page to direct the user to a random redirect page (minus the second redirect)
+ *
+ * @package MediaWiki
+ * @subpackage Special pages
+ * @author Rob Church <robchur@gmail.com>
+ * @licence GNU General Public Licence 2.0 or later
+ */
+
+/**
+ * Main execution point
+ * @param $par Namespace to select the redirect from
+ */
+function wfSpecialRandomredirect( $par = NULL ) {
+	global $wgOut, $wgExtraRandompageSQL, $wgContLang;
+	$fname = 'wfSpecialRandomredirect';
+
+	# Validate the namespace
+	$namespace = $wgContLang->getNsIndex( $par );
+	if( $namespace === false || $namespace < NS_MAIN )
+		$namespace = NS_MAIN;
+
+	# Same logic as RandomPage
+	$randstr = wfRandom();
+
+	$dbr =& wfGetDB( DB_SLAVE );
+	$use_index = $dbr->useIndexClause( 'page_random' );
+	$page = $dbr->tableName( 'page' );
+
+	$extra = $wgExtraRandompageSQL ? "AND ($wgExtraRandompageSQL)" : '';
+	$sql = "SELECT page_id,page_title
+		FROM $page $use_index
+		WHERE page_namespace = $namespace AND page_is_redirect = 1 $extra
+		AND page_random > $randstr
+		ORDER BY page_random";
+		
+	$sql = $dbr->limitResult( $sql, 1, 0 );
+	$res = $dbr->query( $sql, $fname );
+
+	$title = NULL;
+	if( $row = $dbr->fetchObject( $res ) )
+		$title = Title::makeTitleSafe( $namespace, $row->page_title );
+
+	# Catch dud titles and return to the main page
+	if( is_null( $title ) )
+		$title = Title::newFromText( wfMsg( 'mainpage' ) );
+		
+	$wgOut->reportTime();
+	$wgOut->redirect( $title->getFullUrl( 'redirect=no' ) );
+}
+
+?>
diff --git a/includes/SpecialRecentchanges.php b/includes/SpecialRecentchanges.php
new file mode 100644
index 00000000..97f810d9
--- /dev/null
+++ b/includes/SpecialRecentchanges.php
@@ -0,0 +1,709 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once( 'ChangesList.php' );
+
+/**
+ * Constructor
+ */
+function wfSpecialRecentchanges( $par, $specialPage ) {
+	global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol, $wgDBtype;
+	global $wgRCShowWatchingUsers, $wgShowUpdatedMarker;
+	global $wgAllowCategorizedRecentChanges ;
+	$fname = 'wfSpecialRecentchanges';
+
+	# Get query parameters
+	$feedFormat = $wgRequest->getVal( 'feed' );
+
+	/* Checkbox values can't be true be default, because
+	 * we cannot differentiate between unset and not set at all
+	 */
+	$defaults = array(
+	/* int  */ 'days' => $wgUser->getDefaultOption('rcdays'),
+	/* int  */ 'limit' => $wgUser->getDefaultOption('rclimit'),
+	/* bool */ 'hideminor' => false,
+	/* bool */ 'hidebots' => true,
+	/* bool */ 'hideanons' => false,
+	/* bool */ 'hideliu' => false,
+	/* bool */ 'hidepatrolled' => false,
+	/* bool */ 'hidemyself' => false,
+	/* text */ 'from' => '',
+	/* text */ 'namespace' => null,
+	/* bool */ 'invert' => false,
+	/* bool */ 'categories_any' => false,
+	);
+
+	extract($defaults);
+
+
+	$days = $wgUser->getOption( 'rcdays' );
+	if ( !$days ) { $days = $defaults['days']; }
+	$days = $wgRequest->getInt( 'days', $days );
+
+	$limit = $wgUser->getOption( 'rclimit' );
+	if ( !$limit ) { $limit = $defaults['limit']; }
+
+	#	list( $limit, $offset ) = wfCheckLimits( 100, 'rclimit' );
+	$limit = $wgRequest->getInt( 'limit', $limit );
+
+	/* order of selection: url > preferences > default */
+	$hideminor = $wgRequest->getBool( 'hideminor', $wgUser->getOption( 'hideminor') ? true : $defaults['hideminor'] );
+	
+	# As a feed, use limited settings only
+	if( $feedFormat ) {
+		global $wgFeedLimit;
+		if( $limit > $wgFeedLimit ) {
+			$options['limit'] = $wgFeedLimit;
+		}
+
+	} else {
+
+		$namespace = $wgRequest->getIntOrNull( 'namespace' );
+		$invert = $wgRequest->getBool( 'invert', $defaults['invert'] );
+		$hidebots = $wgRequest->getBool( 'hidebots', $defaults['hidebots'] );
+		$hideanons = $wgRequest->getBool( 'hideanons', $defaults['hideanons'] );
+		$hideliu = $wgRequest->getBool( 'hideliu', $defaults['hideliu'] );
+		$hidepatrolled = $wgRequest->getBool( 'hidepatrolled', $defaults['hidepatrolled'] );
+		$hidemyself = $wgRequest->getBool ( 'hidemyself', $defaults['hidemyself'] );
+		$from = $wgRequest->getVal( 'from', $defaults['from'] );
+
+		# Get query parameters from path
+		if( $par ) {
+			$bits = preg_split( '/\s*,\s*/', trim( $par ) );
+			foreach ( $bits as $bit ) {
+				if ( 'hidebots' == $bit ) $hidebots = 1;
+				if ( 'bots' == $bit ) $hidebots = 0;
+				if ( 'hideminor' == $bit ) $hideminor = 1;
+				if ( 'minor' == $bit ) $hideminor = 0;
+				if ( 'hideliu' == $bit ) $hideliu = 1;
+				if ( 'hidepatrolled' == $bit ) $hidepatrolled = 1;
+				if ( 'hideanons' == $bit ) $hideanons = 1;
+				if ( 'hidemyself' == $bit ) $hidemyself = 1;
+
+				if ( is_numeric( $bit ) ) {
+					$limit = $bit;
+				}
+
+				if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) {
+					$limit = $m[1];
+				}
+
+				if ( preg_match( '/^days=(\d+)$/', $bit, $m ) ) {
+					$days = $m[1];
+				}
+			}
+		}
+	}
+
+	if ( $limit < 0 || $limit > 5000 ) $limit = $defaults['limit'];
+
+
+	# Database connection and caching
+	$dbr =& wfGetDB( DB_SLAVE );
+	extract( $dbr->tableNames( 'recentchanges', 'watchlist' ) );
+
+
+	$cutoff_unixtime = time() - ( $days * 86400 );
+	$cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400);
+	$cutoff = $dbr->timestamp( $cutoff_unixtime );
+	if(preg_match('/^[0-9]{14}$/', $from) and $from > wfTimestamp(TS_MW,$cutoff)) {
+		$cutoff = $dbr->timestamp($from);
+	} else {
+		$from = $defaults['from'];
+	}
+
+	# 10 seconds server-side caching max
+	$wgOut->setSquidMaxage( 10 );
+
+	# Get last modified date, for client caching
+	# Don't use this if we are using the patrol feature, patrol changes don't update the timestamp
+	$lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, $fname );
+	if ( $feedFormat || !$wgUseRCPatrol ) {
+		if( $lastmod && $wgOut->checkLastModified( $lastmod ) ){
+			# Client cache fresh and headers sent, nothing more to do.
+			return;
+		}
+	}
+
+	# It makes no sense to hide both anons and logged-in users
+	# Where this occurs, force anons to be shown
+	if( $hideanons && $hideliu )
+		$hideanons = false;
+
+	# Form WHERE fragments for all the options
+	$hidem  = $hideminor ? 'AND rc_minor = 0' : '';
+	$hidem .= $hidebots ? ' AND rc_bot = 0' : '';
+	$hidem .= $hideliu ? ' AND rc_user = 0' : '';
+	$hidem .= ( $wgUseRCPatrol && $hidepatrolled ) ? ' AND rc_patrolled = 0' : '';
+	$hidem .= $hideanons ? ' AND rc_user != 0' : '';
+	
+	if( $hidemyself ) {
+		if( $wgUser->getID() ) {
+			$hidem .= ' AND rc_user != ' . $wgUser->getID();
+		} else {
+			$hidem .= ' AND rc_user_text != ' . $dbr->addQuotes( $wgUser->getName() );
+		}
+	}
+
+	# Namespace filtering
+	$hidem .= is_null( $namespace ) ?  '' : ' AND rc_namespace' . ($invert ? '!=' : '=') . $namespace;
+
+	// This is the big thing!
+
+	$uid = $wgUser->getID();
+
+	// Perform query
+	$forceclause = $dbr->useIndexClause("rc_timestamp");
+	$sql2 = "SELECT * FROM $recentchanges $forceclause".
+	  ($uid ? "LEFT OUTER JOIN $watchlist ON wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace " : "") .
+	  "WHERE rc_timestamp >= '{$cutoff}' {$hidem} " .
+	  "ORDER BY rc_timestamp DESC";
+	$sql2 = $dbr->limitResult($sql2, $limit, 0);
+	$res = $dbr->query( $sql2, $fname );
+
+	// Fetch results, prepare a batch link existence check query
+	$rows = array();
+	$batch = new LinkBatch;
+	while( $row = $dbr->fetchObject( $res ) ){
+		$rows[] = $row;
+		if ( !$feedFormat ) {
+			// User page link
+			$title = Title::makeTitleSafe( NS_USER, $row->rc_user_text );
+			$batch->addObj( $title );
+
+			// User talk
+			$title = Title::makeTitleSafe( NS_USER_TALK, $row->rc_user_text );
+			$batch->addObj( $title );
+		}
+
+	}
+	$dbr->freeResult( $res );
+
+	if( $feedFormat ) {
+		rcOutputFeed( $rows, $feedFormat, $limit, $hideminor, $lastmod );
+	} else {
+
+		# Web output...
+
+		// Run existence checks
+		$batch->execute();
+		$any = $wgRequest->getBool( 'categories_any', $defaults['categories_any']);
+
+		// Output header
+		if ( !$specialPage->including() ) {
+			$wgOut->addWikiText( wfMsgForContent( "recentchangestext" ) );
+
+			// Dump everything here
+			$nondefaults = array();
+
+			wfAppendToArrayIfNotDefault( 'days', $days, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'limit', $limit , $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'hideminor', $hideminor, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'hidebots', $hidebots, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'hideanons', $hideanons, $defaults, $nondefaults );
+			wfAppendToArrayIfNotDefault( 'hideliu', $hideliu, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'hidepatrolled', $hidepatrolled, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'hidemyself', $hidemyself, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'from', $from, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'namespace', $namespace, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'invert', $invert, $defaults, $nondefaults);
+			wfAppendToArrayIfNotDefault( 'categories_any', $any, $defaults, $nondefaults);
+
+			// Add end of the texts
+			$wgOut->addHTML( '<div class="rcoptions">' . rcOptionsPanel( $defaults, $nondefaults ) . "\n" );
+			$wgOut->addHTML( rcNamespaceForm( $namespace, $invert, $nondefaults, $any ) . '</div>'."\n");
+		}
+
+		// And now for the content
+		$sk = $wgUser->getSkin();
+		$wgOut->setSyndicated( true );
+
+		$list = ChangesList::newFromUser( $wgUser );
+		
+		if ( $wgAllowCategorizedRecentChanges ) {
+			$categories = trim ( $wgRequest->getVal ( 'categories' , "" ) ) ;
+			$categories = str_replace ( "|" , "\n" , $categories ) ;
+			$categories = explode ( "\n" , $categories ) ;
+			rcFilterByCategories ( $rows , $categories , $any ) ;
+		}
+
+		$s = $list->beginRecentChangesList();
+		$counter = 1;
+		foreach( $rows as $obj ){
+			if( $limit == 0) {
+				break;
+			}
+
+			if ( ! ( $hideminor     && $obj->rc_minor     ) &&
+			     ! ( $hidepatrolled && $obj->rc_patrolled ) ) {
+				$rc = RecentChange::newFromRow( $obj );
+				$rc->counter = $counter++;
+
+				if ($wgShowUpdatedMarker
+					&& !empty( $obj->wl_notificationtimestamp )
+					&& ($obj->rc_timestamp >= $obj->wl_notificationtimestamp)) {
+						$rc->notificationtimestamp = true;
+				} else {
+					$rc->notificationtimestamp = false;
+				}
+
+				if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
+					$sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" . $dbr->strencode($obj->rc_title) ."' AND wl_namespace=$obj->rc_namespace" ;
+					$res3 = $dbr->query( $sql3, 'wfSpecialRecentChanges');
+					$x = $dbr->fetchObject( $res3 );
+					$rc->numberofWatchingusers = $x->n;
+				} else {
+					$rc->numberofWatchingusers = 0;
+				}
+				$s .= $list->recentChangesLine( $rc, !empty( $obj->wl_user ) );
+				--$limit;
+			}
+		}
+		$s .= $list->endRecentChangesList();
+		$wgOut->addHTML( $s );
+	}
+}
+
+function rcFilterByCategories ( &$rows , $categories , $any ) {
+	require_once ( 'Categoryfinder.php' ) ;
+	
+	# Filter categories
+	$cats = array () ;
+	foreach ( $categories AS $cat ) {
+		$cat = trim ( $cat ) ;
+		if ( $cat == "" ) continue ;
+		$cats[] = $cat ;
+	}
+	
+	# Filter articles
+	$articles = array () ;
+	$a2r = array () ;
+	foreach ( $rows AS $k => $r ) {
+		$nt = Title::newFromText ( $r->rc_title , $r->rc_namespace ) ;
+		$id = $nt->getArticleID() ;
+		if ( $id == 0 ) continue ; # Page might have been deleted...
+		if ( !in_array ( $id , $articles ) ) {
+			$articles[] = $id ;
+		}
+		if ( !isset ( $a2r[$id] ) ) {
+			$a2r[$id] = array() ;
+		}
+		$a2r[$id][] = $k ;
+	}
+	
+	# Shortcut?
+	if ( count ( $articles ) == 0 OR count ( $cats ) == 0 )
+		return ;
+	
+	# Look up
+	$c = new Categoryfinder ;
+	$c->seed ( $articles , $cats , $any ? "OR" : "AND" ) ;
+	$match = $c->run () ;
+	
+	# Filter
+	$newrows = array () ;
+	foreach ( $match AS $id ) {
+		foreach ( $a2r[$id] AS $rev ) {
+			$k = $rev ;
+			$newrows[$k] = $rows[$k] ;
+		}
+	}
+	$rows = $newrows ;
+}
+
+function rcOutputFeed( $rows, $feedFormat, $limit, $hideminor, $lastmod ) {
+	global $messageMemc, $wgDBname, $wgFeedCacheTimeout;
+	global $wgFeedClasses, $wgTitle, $wgSitename, $wgContLanguageCode;
+
+	if( !isset( $wgFeedClasses[$feedFormat] ) ) {
+		wfHttpError( 500, "Internal Server Error", "Unsupported feed type." );
+		return false;
+	}
+
+	$timekey = "$wgDBname:rcfeed:$feedFormat:timestamp";
+	$key = "$wgDBname:rcfeed:$feedFormat:limit:$limit:minor:$hideminor";
+
+	$feedTitle = $wgSitename . ' - ' . wfMsgForContent( 'recentchanges' ) .
+		' [' . $wgContLanguageCode . ']';
+	$feed = new $wgFeedClasses[$feedFormat](
+		$feedTitle,
+		htmlspecialchars( wfMsgForContent( 'recentchangestext' ) ),
+		$wgTitle->getFullUrl() );
+
+	/**
+	 * Bumping around loading up diffs can be pretty slow, so where
+	 * possible we want to cache the feed output so the next visitor
+	 * gets it quick too.
+	 */
+	$cachedFeed = false;
+	if( ( $wgFeedCacheTimeout > 0 ) && ( $feedLastmod = $messageMemc->get( $timekey ) ) ) {
+		/**
+		 * If the cached feed was rendered very recently, we may
+		 * go ahead and use it even if there have been edits made
+		 * since it was rendered. This keeps a swarm of requests
+		 * from being too bad on a super-frequently edited wiki.
+		 */
+		if( time() - wfTimestamp( TS_UNIX, $feedLastmod )
+				< $wgFeedCacheTimeout
+			|| wfTimestamp( TS_UNIX, $feedLastmod )
+				> wfTimestamp( TS_UNIX, $lastmod ) ) {
+			wfDebug( "RC: loading feed from cache ($key; $feedLastmod; $lastmod)...\n" );
+			$cachedFeed = $messageMemc->get( $key );
+		} else {
+			wfDebug( "RC: cached feed timestamp check failed ($feedLastmod; $lastmod)\n" );
+		}
+	}
+	if( is_string( $cachedFeed ) ) {
+		wfDebug( "RC: Outputting cached feed\n" );
+		$feed->httpHeaders();
+		echo $cachedFeed;
+	} else {
+		wfDebug( "RC: rendering new feed and caching it\n" );
+		ob_start();
+		rcDoOutputFeed( $rows, $feed );
+		$cachedFeed = ob_get_contents();
+		ob_end_flush();
+
+		$expire = 3600 * 24; # One day
+		$messageMemc->set( $key, $cachedFeed );
+		$messageMemc->set( $timekey, wfTimestamp( TS_MW ), $expire );
+	}
+	return true;
+}
+
+function rcDoOutputFeed( $rows, &$feed ) {
+	$fname = 'rcDoOutputFeed';
+	wfProfileIn( $fname );
+
+	$feed->outHeader();
+
+	# Merge adjacent edits by one user
+	$sorted = array();
+	$n = 0;
+	foreach( $rows as $obj ) {
+		if( $n > 0 &&
+			$obj->rc_namespace >= 0 &&
+			$obj->rc_cur_id == $sorted[$n-1]->rc_cur_id &&
+			$obj->rc_user_text == $sorted[$n-1]->rc_user_text ) {
+			$sorted[$n-1]->rc_last_oldid = $obj->rc_last_oldid;
+		} else {
+			$sorted[$n] = $obj;
+			$n++;
+		}
+		$first = false;
+	}
+
+	foreach( $sorted as $obj ) {
+		$title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
+		$talkpage = $title->getTalkPage();
+		$item = new FeedItem(
+			$title->getPrefixedText(),
+			rcFormatDiff( $obj ),
+			$title->getFullURL(),
+			$obj->rc_timestamp,
+			$obj->rc_user_text,
+			$talkpage->getFullURL()
+			);
+		$feed->outItem( $item );
+	}
+	$feed->outFooter();
+	wfProfileOut( $fname );
+}
+
+/**
+ *
+ */
+function rcCountLink( $lim, $d, $page='Recentchanges', $more='' ) {
+	global $wgUser, $wgLang, $wgContLang;
+	$sk = $wgUser->getSkin();
+	$s = $sk->makeKnownLink( $wgContLang->specialPage( $page ),
+	  ($lim ? $wgLang->formatNum( "{$lim}" ) : wfMsg( 'recentchangesall' ) ), "{$more}" .
+	  ($d ? "days={$d}&" : '') . 'limit='.$lim );
+	return $s;
+}
+
+/**
+ *
+ */
+function rcDaysLink( $lim, $d, $page='Recentchanges', $more='' ) {
+	global $wgUser, $wgLang, $wgContLang;
+	$sk = $wgUser->getSkin();
+	$s = $sk->makeKnownLink( $wgContLang->specialPage( $page ),
+	  ($d ? $wgLang->formatNum( "{$d}" ) : wfMsg( 'recentchangesall' ) ), $more.'days='.$d .
+	  ($lim ? '&limit='.$lim : '') );
+	return $s;
+}
+
+/**
+ * Used by Recentchangeslinked
+ */
+function rcDayLimitLinks( $days, $limit, $page='Recentchanges', $more='', $doall = false, $minorLink = '',
+	$botLink = '', $liuLink = '', $patrLink = '', $myselfLink = '' ) {
+	if ($more != '') $more .= '&';
+	$cl = rcCountLink( 50, $days, $page, $more ) . ' | ' .
+	  rcCountLink( 100, $days, $page, $more  ) . ' | ' .
+	  rcCountLink( 250, $days, $page, $more  ) . ' | ' .
+	  rcCountLink( 500, $days, $page, $more  ) .
+	  ( $doall ? ( ' | ' . rcCountLink( 0, $days, $page, $more ) ) : '' );
+	$dl = rcDaysLink( $limit, 1, $page, $more  ) . ' | ' .
+	  rcDaysLink( $limit, 3, $page, $more  ) . ' | ' .
+	  rcDaysLink( $limit, 7, $page, $more  ) . ' | ' .
+	  rcDaysLink( $limit, 14, $page, $more  ) . ' | ' .
+	  rcDaysLink( $limit, 30, $page, $more  ) .
+	  ( $doall ? ( ' | ' . rcDaysLink( $limit, 0, $page, $more ) ) : '' );
+	
+	$linkParts = array( 'minorLink' => 'minor', 'botLink' => 'bots', 'liuLink' => 'liu', 'patrLink' => 'patr', 'myselfLink' => 'mine' );
+	foreach( $linkParts as $linkVar => $linkMsg ) {
+		if( $$linkVar != '' )
+			$links[] = wfMsgHtml( 'rcshowhide' . $linkMsg, $$linkVar );
+	}
+	
+	$shm = implode( ' | ', $links );
+	$note = wfMsg( 'rclinks', $cl, $dl, $shm );
+	return $note;
+}
+
+
+/**
+ * Makes change an option link which carries all the other options
+ * @param $title @see Title
+ * @param $override
+ * @param $options
+ */
+function makeOptionsLink( $title, $override, $options ) {
+	global $wgUser, $wgContLang;
+	$sk = $wgUser->getSkin();
+	return $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
+		$title, wfArrayToCGI( $override, $options ) );
+}
+
+/**
+ * Creates the options panel.
+ * @param $defaults
+ * @param $nondefaults
+ */
+function rcOptionsPanel( $defaults, $nondefaults ) {
+	global $wgLang, $wgUseRCPatrol;
+
+	$options = $nondefaults + $defaults;
+
+	if( $options['from'] )
+		$note = wfMsgExt( 'rcnotefrom', array( 'parseinline' ),
+			$wgLang->formatNum( $options['limit'] ),
+			$wgLang->timeanddate( $options['from'], true ) );
+	else
+		$note = wfMsgExt( 'rcnote', array( 'parseinline' ),
+			$wgLang->formatNum( $options['limit'] ),
+			$wgLang->formatNum( $options['days'] ),
+			$wgLang->timeAndDate( wfTimestampNow(), true ) );
+
+	// limit links
+	$options_limit = array(50, 100, 250, 500);
+	foreach( $options_limit as $value ) {
+		$cl[] = makeOptionsLink( $wgLang->formatNum( $value ),
+			array( 'limit' => $value ), $nondefaults) ;
+	}
+	$cl = implode( ' | ', $cl);
+
+	// day links, reset 'from' to none
+	$options_days = array(1, 3, 7, 14, 30);
+	foreach( $options_days as $value ) {
+		$dl[] = makeOptionsLink( $wgLang->formatNum( $value ),
+			array( 'days' => $value, 'from' => ''  ), $nondefaults) ;
+	}
+	$dl = implode( ' | ', $dl);
+
+
+	// show/hide links
+	$showhide = array( wfMsg( 'show' ), wfMsg( 'hide' ));
+	$minorLink = makeOptionsLink( $showhide[1-$options['hideminor']],
+		array( 'hideminor' => 1-$options['hideminor'] ), $nondefaults);
+	$botLink = makeOptionsLink( $showhide[1-$options['hidebots']],
+		array( 'hidebots' => 1-$options['hidebots'] ), $nondefaults);
+	$anonsLink = makeOptionsLink( $showhide[ 1 - $options['hideanons'] ],
+		array( 'hideanons' => 1 - $options['hideanons'] ), $nondefaults );
+	$liuLink   = makeOptionsLink( $showhide[1-$options['hideliu']],
+		array( 'hideliu' => 1-$options['hideliu'] ), $nondefaults);
+	$patrLink  = makeOptionsLink( $showhide[1-$options['hidepatrolled']],
+		array( 'hidepatrolled' => 1-$options['hidepatrolled'] ), $nondefaults);
+	$myselfLink = makeOptionsLink( $showhide[1-$options['hidemyself']],
+		array( 'hidemyself' => 1-$options['hidemyself'] ), $nondefaults);
+		
+	$links[] = wfMsgHtml( 'rcshowhideminor', $minorLink );
+	$links[] = wfMsgHtml( 'rcshowhidebots', $botLink );
+	$links[] = wfMsgHtml( 'rcshowhideanons', $anonsLink );
+	$links[] = wfMsgHtml( 'rcshowhideliu', $liuLink );
+	if( $wgUseRCPatrol )
+		$links[] = wfMsgHtml( 'rcshowhidepatr', $patrLink );
+	$links[] = wfMsgHtml( 'rcshowhidemine', $myselfLink );
+	$hl = implode( ' | ', $links );
+		
+	// show from this onward link
+	$now = $wgLang->timeanddate( wfTimestampNow(), true );
+	$tl =  makeOptionsLink( $now, array( 'from' => wfTimestampNow()), $nondefaults );
+
+	$rclinks = wfMsgExt( 'rclinks', array( 'parseinline', 'replaceafter'),
+		$cl, $dl, $hl );
+	$rclistfrom = wfMsgExt( 'rclistfrom', array( 'parseinline', 'replaceafter'), $tl );
+	return "$note<br />$rclinks<br />$rclistfrom";
+
+}
+
+/**
+ * Creates the choose namespace selection
+ *
+ * @private
+ *
+ * @param $namespace Mixed: the key of the currently selected namespace, empty string
+ *              if there is none
+ * @param $invert Bool: whether to invert the namespace selection
+ * @param $nondefaults Array: an array of non default options to be remembered
+ * @param $categories_any Bool: Default value for the checkbox
+ *
+ * @return string
+ */
+function rcNamespaceForm( $namespace, $invert, $nondefaults, $categories_any ) {
+	global $wgScript, $wgAllowCategorizedRecentChanges, $wgRequest;
+	$t = Title::makeTitle( NS_SPECIAL, 'Recentchanges' );
+
+	$namespaceselect = HTMLnamespaceselector($namespace, '');
+	$submitbutton = '<input type="submit" value="' . wfMsgHtml( 'allpagessubmit' ) . "\" />\n";
+	$invertbox = "<input type='checkbox' name='invert' value='1' id='nsinvert'" . ( $invert ? ' checked="checked"' : '' ) . ' />';
+	
+	if ( $wgAllowCategorizedRecentChanges ) {
+		$categories = trim ( $wgRequest->getVal ( 'categories' , "" ) ) ;
+		$cb_arr = array( 'type' => 'checkbox', 'name' => 'categories_any', 'value' => "1" ) ;
+		if ( $categories_any ) $cb_arr['checked'] = "checked" ;
+		$catbox = "<br />" ;
+		$catbox .= wfMsgExt('rc_categories', array('parseinline')) . " ";
+		$catbox .= wfElement('input', array( 'type' => 'text', 'name' => 'categories', 'value' => $categories));
+		$catbox .= " &nbsp;" ;
+		$catbox .= wfElement('input', $cb_arr );
+		$catbox .= wfMsgExt('rc_categories_any', array('parseinline'));
+	} else {
+		$catbox = "" ;
+	}
+	
+	$out = "<div class='namespacesettings'><form method='get' action='{$wgScript}'>\n";
+
+	foreach ( $nondefaults as $key => $value ) {
+		if ($key != 'namespace' && $key != 'invert')
+			$out .= wfElement('input', array( 'type' => 'hidden', 'name' => $key, 'value' => $value));
+	}
+
+	$out .= '<input type="hidden" name="title" value="'.$t->getPrefixedText().'" />';
+	$out .= "
+<div id='nsselect' class='recentchanges'>
+	<label for='namespace'>" . wfMsgHtml('namespace') . "</label>
+	{$namespaceselect}{$submitbutton}{$invertbox} <label for='nsinvert'>" . wfMsgHtml('invert') . "</label>{$catbox}\n</div>";
+	$out .= '</form></div>';
+	return $out;
+}
+
+
+/**
+ * Format a diff for the newsfeed
+ */
+function rcFormatDiff( $row ) {
+	$titleObj = Title::makeTitle( $row->rc_namespace, $row->rc_title );
+	return rcFormatDiffRow( $titleObj,
+		$row->rc_last_oldid, $row->rc_this_oldid,
+		$row->rc_timestamp,
+		$row->rc_comment );
+}
+
+function rcFormatDiffRow( $title, $oldid, $newid, $timestamp, $comment ) {
+	global $wgFeedDiffCutoff, $wgContLang, $wgUser;
+	$fname = 'rcFormatDiff';
+	wfProfileIn( $fname );
+
+	require_once( 'DifferenceEngine.php' );
+	$skin = $wgUser->getSkin();
+	$completeText = '<p>' . $skin->formatComment( $comment ) . "</p>\n";
+
+	if( $title->getNamespace() >= 0 ) {
+		if( $oldid ) {
+			wfProfileIn( "$fname-dodiff" );
+
+			$de = new DifferenceEngine( $title, $oldid, $newid );
+			#$diffText = $de->getDiff( wfMsg( 'revisionasof',
+			#	$wgContLang->timeanddate( $timestamp ) ),
+			#	wfMsg( 'currentrev' ) );
+			$diffText = $de->getDiff(
+				wfMsg( 'previousrevision' ), // hack
+				wfMsg( 'revisionasof',
+					$wgContLang->timeanddate( $timestamp ) ) );
+				
+
+			if ( strlen( $diffText ) > $wgFeedDiffCutoff ) {
+				// Omit large diffs
+				$diffLink = $title->escapeFullUrl(
+					'diff=' . $newid .
+					'&oldid=' . $oldid );
+				$diffText = '<a href="' .
+					$diffLink .
+					'">' .
+					htmlspecialchars( wfMsgForContent( 'difference' ) ) .
+					'</a>';
+			} elseif ( $diffText === false ) {
+				// Error in diff engine, probably a missing revision
+				$diffText = "<p>Can't load revision $newid</p>";
+			} else {
+				// Diff output fine, clean up any illegal UTF-8
+				$diffText = UtfNormal::cleanUp( $diffText );
+				$diffText = rcApplyDiffStyle( $diffText );
+			}
+			wfProfileOut( "$fname-dodiff" );
+		} else {
+			$rev = Revision::newFromId( $newid );
+			if( is_null( $rev ) ) {
+				$newtext = '';
+			} else {
+				$newtext = $rev->getText();
+			}
+			$diffText = '<p><b>' . wfMsg( 'newpage' ) . '</b></p>' .
+				'<div>' . nl2br( htmlspecialchars( $newtext ) ) . '</div>';
+		}
+		$completeText .= $diffText;
+	}
+
+	wfProfileOut( $fname );
+	return $completeText;
+}
+
+/**
+ * Hacky application of diff styles for the feeds.
+ * Might be 'cleaner' to use DOM or XSLT or something,
+ * but *gack* it's a pain in the ass.
+ *
+ * @param $text String:
+ * @return string
+ * @private
+ */
+function rcApplyDiffStyle( $text ) {
+	$styles = array(
+		'diff'             => 'background-color: white;',
+		'diff-otitle'      => 'background-color: white;',
+		'diff-ntitle'      => 'background-color: white;',
+		'diff-addedline'   => 'background: #cfc; font-size: smaller;',
+		'diff-deletedline' => 'background: #ffa; font-size: smaller;',
+		'diff-context'     => 'background: #eee; font-size: smaller;',
+		'diffchange'       => 'color: red; font-weight: bold;',
+	);
+	
+	foreach( $styles as $class => $style ) {
+		$text = preg_replace( "/(<[^>]+)class=(['\"])$class\\2([^>]*>)/",
+			"\\1style=\"$style\"\\3", $text );
+	}
+	
+	return $text;
+}
+
+?>
diff --git a/includes/SpecialRecentchangeslinked.php b/includes/SpecialRecentchangeslinked.php
new file mode 100644
index 00000000..2a611c4d
--- /dev/null
+++ b/includes/SpecialRecentchangeslinked.php
@@ -0,0 +1,173 @@
+<?php
+/**
+ * This is to display changes made to all articles linked in an article.
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once( 'SpecialRecentchanges.php' );
+
+/**
+ * Entrypoint
+ * @param string $par parent page we will look at
+ */
+function wfSpecialRecentchangeslinked( $par = NULL ) {
+	global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest;
+	$fname = 'wfSpecialRecentchangeslinked';
+
+	$days = $wgRequest->getInt( 'days' );
+	$target = isset($par) ? $par : $wgRequest->getText( 'target' );
+	$hideminor = $wgRequest->getBool( 'hideminor' ) ? 1 : 0;
+
+	$wgOut->setPagetitle( wfMsg( 'recentchangeslinked' ) );
+	$sk = $wgUser->getSkin();
+
+	# Validate the title
+	$nt = Title::newFromURL( $target );
+	if( !is_object( $nt ) ) {
+		$wgOut->errorPage( 'notargettitle', 'notargettext' );
+		return;
+	}
+	
+	# Check for existence
+	# Do a quiet redirect back to the page itself if it doesn't
+	if( !$nt->exists() ) {
+		$wgOut->redirect( $nt->getLocalUrl() );
+		return;
+	}
+
+	$id = $nt->getArticleId();
+
+	$wgOut->setSubtitle( htmlspecialchars( wfMsg( 'rclsub', $nt->getPrefixedText() ) ) );
+
+	if ( ! $days ) {
+		$days = $wgUser->getOption( 'rcdays' );
+		if ( ! $days ) { $days = 7; }
+	}
+	$days = (int)$days;
+	list( $limit, $offset ) = wfCheckLimits( 100, 'rclimit' );
+
+	$dbr =& wfGetDB( DB_SLAVE );
+	$cutoff = $dbr->timestamp( time() - ( $days * 86400 ) );
+
+	$hideminor = ($hideminor ? 1 : 0);
+	if ( $hideminor ) {
+		$mlink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchangeslinked' ),
+	  	  wfMsg( 'show' ), 'target=' . htmlspecialchars( $nt->getPrefixedURL() ) .
+		  "&days={$days}&limit={$limit}&hideminor=0" );
+	} else {
+		$mlink = $sk->makeKnownLink( $wgContLang->specialPage( "Recentchangeslinked" ),
+	  	  wfMsg( "hide" ), "target=" . htmlspecialchars( $nt->getPrefixedURL() ) .
+		  "&days={$days}&limit={$limit}&hideminor=1" );
+	}
+	if ( $hideminor ) {
+		$cmq = 'AND rc_minor=0';
+	} else { $cmq = ''; }
+
+	extract( $dbr->tableNames( 'recentchanges', 'categorylinks', 'pagelinks', 'revision', 'page' , "watchlist" ) );
+
+	$uid = $wgUser->getID();
+
+	// If target is a Category, use categorylinks and invert from and to
+	if( $nt->getNamespace() == NS_CATEGORY ) {
+		$catkey = $dbr->addQuotes( $nt->getDBKey() );
+		$sql = "SELECT /* wfSpecialRecentchangeslinked */
+				rc_id,
+				rc_cur_id,
+				rc_namespace,
+				rc_title,
+				rc_this_oldid,
+				rc_last_oldid,
+				rc_user,
+				rc_comment,
+				rc_user_text,
+				rc_timestamp,
+				rc_minor,
+				rc_bot,
+				rc_new,
+				rc_patrolled,
+				rc_type
+" . ($uid ? ",wl_user" : "") . "
+	    FROM $categorylinks, $recentchanges
+" . ($uid ? "LEFT OUTER JOIN $watchlist ON wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace " : "") . "
+	   WHERE rc_timestamp > '{$cutoff}'
+	     {$cmq}
+	     AND cl_from=rc_cur_id
+	     AND cl_to=$catkey
+	GROUP BY rc_cur_id,rc_namespace,rc_title,
+	 	rc_user,rc_comment,rc_user_text,rc_timestamp,rc_minor,
+	 	rc_new
+		ORDER BY rc_timestamp DESC
+	LIMIT {$limit};
+ ";
+	} else {
+		$sql =
+"SELECT /* wfSpecialRecentchangeslinked */
+			rc_id,
+			rc_cur_id,
+			rc_namespace,
+			rc_title,
+			rc_user,
+			rc_comment,
+			rc_user_text,
+			rc_this_oldid,
+			rc_last_oldid,
+			rc_timestamp,
+			rc_minor,
+			rc_bot,
+			rc_new,
+			rc_patrolled,
+			rc_type
+" . ($uid ? ",wl_user" : "") . "
+   FROM $pagelinks, $recentchanges
+" . ($uid ? " LEFT OUTER JOIN $watchlist ON wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace " : "") . "
+   WHERE rc_timestamp > '{$cutoff}'
+	{$cmq}
+     AND pl_namespace=rc_namespace
+     AND pl_title=rc_title
+     AND pl_from=$id
+GROUP BY rc_cur_id,rc_namespace,rc_title,
+	 rc_user,rc_comment,rc_user_text,rc_timestamp,rc_minor,
+	 rc_new
+ORDER BY rc_timestamp DESC
+   LIMIT {$limit}";
+	}
+	$res = $dbr->query( $sql, $fname );
+
+	$wgOut->addHTML("&lt; ".$sk->makeKnownLinkObj($nt, "", "redirect=no" )."<br />\n");
+	$note = wfMsg( "rcnote", $limit, $days, $wgLang->timeAndDate( wfTimestampNow(), true ) );
+	$wgOut->addHTML( "<hr />\n{$note}\n<br />" );
+
+	$note = rcDayLimitlinks( $days, $limit, "Recentchangeslinked",
+				 "target=" . $nt->getPrefixedURL() . "&hideminor={$hideminor}",
+				 false, $mlink );
+
+	$wgOut->addHTML( $note."\n" );
+
+	$list = ChangesList::newFromUser( $wgUser );
+	$s = $list->beginRecentChangesList();
+	$count = $dbr->numRows( $res );
+
+	$counter = 1;
+	while ( $limit ) {
+		if ( 0 == $count ) { break; }
+		$obj = $dbr->fetchObject( $res );
+		--$count;
+#		print_r ( $obj ) ;
+#		print "<br/>\n" ;
+
+		$rc = RecentChange::newFromRow( $obj );
+		$rc->counter = $counter++;
+		$s .= $list->recentChangesLine( $rc , !empty( $obj->wl_user) );
+		--$limit;
+	}
+	$s .= $list->endRecentChangesList();
+
+	$dbr->freeResult( $res );
+	$wgOut->addHTML( $s );
+}
+
+?>
diff --git a/includes/SpecialRevisiondelete.php b/includes/SpecialRevisiondelete.php
new file mode 100644
index 00000000..7fa8bbb4
--- /dev/null
+++ b/includes/SpecialRevisiondelete.php
@@ -0,0 +1,258 @@
+<?php
+
+/**
+ * Not quite ready for production use yet; need to fix up the restricted mode,
+ * and provide for preservation across delete/undelete of the page.
+ *
+ * To try this out, set up extra permissions something like:
+ * $wgGroupPermissions['sysop']['deleterevision'] = true;
+ * $wgGroupPermissions['bureaucrat']['hiderevision'] = true;
+ */
+
+function wfSpecialRevisiondelete( $par = null ) {
+	global $wgOut, $wgRequest, $wgUser;
+	
+	$target = $wgRequest->getVal( 'target' );
+	$oldid = $wgRequest->getInt( 'oldid' );
+	
+	$sk = $wgUser->getSkin();
+	$page = Title::newFromUrl( $target );
+	
+	if( is_null( $page ) ) {
+		$wgOut->showErrorPage( 'notargettitle', 'notargettext' );
+		return;
+	}
+	
+	$form = new RevisionDeleteForm( $wgRequest );
+	if( $wgRequest->wasPosted() ) {
+		$form->submit( $wgRequest );
+	} else {
+		$form->show( $wgRequest );
+	}
+}
+
+class RevisionDeleteForm {
+	/**
+	 * @param Title $page
+	 * @param int $oldid
+	 */
+	function __construct( $request ) {
+		global $wgUser;
+		
+		$target = $request->getVal( 'target' );
+		$this->page = Title::newFromUrl( $target );
+		
+		$this->revisions = $request->getIntArray( 'oldid', array() );
+		
+		$this->skin = $wgUser->getSkin();
+		$this->checks = array(
+			array( 'revdelete-hide-text', 'wpHideText', Revision::DELETED_TEXT ),
+			array( 'revdelete-hide-comment', 'wpHideComment', Revision::DELETED_COMMENT ),
+			array( 'revdelete-hide-user', 'wpHideUser', Revision::DELETED_USER ),
+			array( 'revdelete-hide-restricted', 'wpHideRestricted', Revision::DELETED_RESTRICTED ) );
+	}
+	
+	/**
+	 * @param WebRequest $request
+	 */
+	function show( $request ) {
+		global $wgOut, $wgUser;
+
+		$first = $this->revisions[0];
+		
+		$wgOut->addWikiText( wfMsg( 'revdelete-selected', $this->page->getPrefixedText() ) );
+		
+		$wgOut->addHtml( "<ul>" );
+		foreach( $this->revisions as $revid ) {
+			$rev = Revision::newFromTitle( $this->page, $revid );
+			$wgOut->addHtml( $this->historyLine( $rev ) );
+			$bitfields[] = $rev->mDeleted; // FIXME
+		}
+		$wgOut->addHtml( "</ul>" );
+	
+		$wgOut->addWikiText( wfMsg( 'revdelete-text' ) );
+		
+		$items = array(
+			wfInputLabel( wfMsg( 'revdelete-log' ), 'wpReason', 'wpReason', 60 ),
+			wfSubmitButton( wfMsg( 'revdelete-submit' ) ) );
+		$hidden = array(
+			wfHidden( 'wpEditToken', $wgUser->editToken() ),
+			wfHidden( 'target', $this->page->getPrefixedText() ) );
+		foreach( $this->revisions as $revid ) {
+			$hidden[] = wfHidden( 'oldid[]', $revid );
+		}
+		
+		$special = Title::makeTitle( NS_SPECIAL, 'Revisiondelete' );
+		$wgOut->addHtml( wfElement( 'form', array(
+			'method' => 'post',
+			'action' => $special->getLocalUrl( 'action=submit' ) ) ) );
+		
+		$wgOut->addHtml( '<fieldset><legend>' . wfMsgHtml( 'revdelete-legend' ) . '</legend>' );
+		foreach( $this->checks as $item ) {
+			list( $message, $name, $field ) = $item;
+			$wgOut->addHtml( '<div>' .
+				wfCheckLabel( wfMsg( $message), $name, $name, $rev->isDeleted( $field ) ) .
+				'</div>' );
+		}
+		$wgOut->addHtml( '</fieldset>' );
+		foreach( $items as $item ) {
+			$wgOut->addHtml( '<p>' . $item . '</p>' );
+		}
+		foreach( $hidden as $item ) {
+			$wgOut->addHtml( $item );
+		}
+		
+		$wgOut->addHtml( '</form>' );
+	}
+	
+	/**
+	 * @param Revision $rev
+	 * @returns string
+	 */
+	function historyLine( $rev ) {
+		global $wgContLang;
+		$date = $wgContLang->timeanddate( $rev->getTimestamp() );
+		return
+			"<li>" .
+			$this->skin->makeLinkObj( $this->page, $date, 'oldid=' . $rev->getId() ) .
+			" " .
+			$this->skin->revUserLink( $rev ) .
+			" " .
+			$this->skin->revComment( $rev ) .
+			"</li>";
+	}
+	
+	/**
+	 * @param WebRequest $request
+	 */
+	function submit( $request ) {
+		$bitfield = $this->extractBitfield( $request );
+		$comment = $request->getText( 'wpReason' );
+		if( $this->save( $bitfield, $comment ) ) {
+			return $this->success( $request );
+		} else {
+			return $this->show( $request );
+		}
+	}
+	
+	function success( $request ) {
+		global $wgOut;
+		$wgOut->addWikiText( 'woo' );
+	}
+	
+	/**
+	 * Put together a rev_deleted bitfield from the submitted checkboxes
+	 * @param WebRequest $request
+	 * @return int
+	 */
+	function extractBitfield( $request ) {
+		$bitfield = 0;
+		foreach( $this->checks as $item ) {
+			list( $message, $name, $field ) = $item;
+			if( $request->getCheck( $name ) ) {
+				$bitfield |= $field;
+			}
+		}
+		return $bitfield;
+	}
+	
+	function save( $bitfield, $reason ) {
+		$dbw = wfGetDB( DB_MASTER );
+		$deleter = new RevisionDeleter( $dbw );
+		$ok = $deleter->setVisibility( $this->revisions, $bitfield, $reason );
+	}
+}
+
+
+class RevisionDeleter {
+	function __construct( $db ) {
+		$this->db = $db;
+	}
+	
+	/**
+	 * @param array $items list of revision ID numbers
+	 * @param int $bitfield new rev_deleted value
+	 * @param string $comment Comment for log records
+	 */
+	function setVisibility( $items, $bitfield, $comment ) {
+		$pages = array();
+		
+		// To work!
+		foreach( $items as $revid ) {
+			$rev = Revision::newFromId( $revid );
+			$this->updateRevision( $rev, $bitfield );
+			$this->updateRecentChanges( $rev, $bitfield );
+			
+			// For logging, maintain a count of revisions per page
+			$pageid = $rev->getPage();
+			if( isset( $pages[$pageid] ) ) {
+				$pages[$pageid]++;
+			} else {
+				$pages[$pageid] = 1;
+			}
+		}
+		
+		// Clear caches...
+		foreach( $pages as $pageid => $count ) {
+			$title = Title::newFromId( $pageid );
+			$this->updatePage( $title );
+			$this->updateLog( $title, $count, $bitfield, $comment );
+		}
+		
+		return true;
+	}
+	
+	/**
+	 * Update the revision's rev_deleted field
+	 * @param Revision $rev
+	 * @param int $bitfield new rev_deleted bitfield value
+	 */
+	function updateRevision( $rev, $bitfield ) {
+		$this->db->update( 'revision',
+			array( 'rev_deleted' => $bitfield ),
+			array( 'rev_id' => $rev->getId() ),
+			'RevisionDeleter::updateRevision' );
+	}
+	
+	/**
+	 * Update the revision's recentchanges record if fields have been hidden
+	 * @param Revision $rev
+	 * @param int $bitfield new rev_deleted bitfield value
+	 */
+	function updateRecentChanges( $rev, $bitfield ) {
+		$this->db->update( 'recentchanges',
+			array(
+				'rc_user' => ($bitfield & Revision::DELETED_USER) ? 0 : $rev->getUser(),
+				'rc_user_text' => ($bitfield & Revision::DELETED_USER) ? wfMsg( 'rev-deleted-user' ) : $rev->getUserText(),
+				'rc_comment' => ($bitfield & Revision::DELETED_COMMENT) ? wfMsg( 'rev-deleted-comment' ) : $rev->getComment() ),
+			array(
+				'rc_this_oldid' => $rev->getId() ),
+			'RevisionDeleter::updateRecentChanges' );
+	}
+	
+	/**
+	 * Touch the page's cache invalidation timestamp; this forces cached
+	 * history views to refresh, so any newly hidden or shown fields will
+	 * update properly.
+	 * @param Title $title
+	 */
+	function updatePage( $title ) {
+		$title->invalidateCache();
+	}
+	
+	/**
+	 * Record a log entry on the action
+	 * @param Title $title
+	 * @param int $count the number of revisions altered for this page
+	 * @param int $bitfield the new rev_deleted value
+	 * @param string $comment
+	 */
+	function updateLog( $title, $count, $bitfield, $comment ) {
+		$log = new LogPage( 'delete' );
+		$reason = "changed $count revisions to $bitfield";
+		$reason .= ": $comment";
+		$log->addEntry( 'revision', $title, $reason );
+	}
+}
+
+?>
diff --git a/includes/SpecialSearch.php b/includes/SpecialSearch.php
new file mode 100644
index 00000000..4db27e87
--- /dev/null
+++ b/includes/SpecialSearch.php
@@ -0,0 +1,413 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Run text & title search and display the output
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Entry point
+ *
+ * @param $par String: (default '')
+ */
+function wfSpecialSearch( $par = '' ) {
+	global $wgRequest, $wgUser;
+
+	$search = $wgRequest->getText( 'search', $par );
+	$searchPage = new SpecialSearch( $wgRequest, $wgUser );
+	if( $wgRequest->getVal( 'fulltext' ) ||
+		!is_null( $wgRequest->getVal( 'offset' ) ) ||
+		!is_null ($wgRequest->getVal( 'searchx' ) ) ) {
+		$searchPage->showResults( $search );
+	} else {
+		$searchPage->goResult( $search );
+	}
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class SpecialSearch {
+
+	/**
+	 * Set up basic search parameters from the request and user settings.
+	 * Typically you'll pass $wgRequest and $wgUser.
+	 *
+	 * @param WebRequest $request
+	 * @param User $user
+	 * @public
+	 */
+	function SpecialSearch( &$request, &$user ) {
+		list( $this->limit, $this->offset ) = $request->getLimitOffset( 20, 'searchlimit' );
+
+		if( $request->getCheck( 'searchx' ) ) {
+			$this->namespaces = $this->powerSearch( $request );
+		} else {
+			$this->namespaces = $this->userNamespaces( $user );
+		}
+
+		$this->searchRedirects = $request->getcheck( 'redirs' ) ? true : false;
+	}
+
+	/**
+	 * If an exact title match can be found, jump straight ahead to
+	 * @param string $term
+	 * @public
+	 */
+	function goResult( $term ) {
+		global $wgOut;
+		global $wgGoToEdit;
+
+		$this->setupPage( $term );
+
+		# Try to go to page as entered.
+		#
+		$t = Title::newFromText( $term );
+
+		# If the string cannot be used to create a title
+		if( is_null( $t ) ){
+			return $this->showResults( $term );
+		}
+
+		# If there's an exact or very near match, jump right there.
+		$t = SearchEngine::getNearMatch( $term );
+		if( !is_null( $t ) ) {
+			$wgOut->redirect( $t->getFullURL() );
+			return;
+		}
+
+		# No match, generate an edit URL
+		$t = Title::newFromText( $term );
+		if( is_null( $t ) ) {
+			$editurl = ''; # hrm...
+		} else {
+			wfRunHooks( 'SpecialSearchNogomatch', array( &$t ) );
+			# If the feature is enabled, go straight to the edit page
+			if ( $wgGoToEdit ) {
+				$wgOut->redirect( $t->getFullURL( 'action=edit' ) );
+				return;
+			} else {
+				$editurl = $t->escapeLocalURL( 'action=edit' );
+			}
+		}
+		$wgOut->addWikiText( wfMsg( 'noexactmatch', $term ) );
+
+		return $this->showResults( $term );
+	}
+
+	/**
+	 * @param string $term
+	 * @public
+	 */
+	function showResults( $term ) {
+		$fname = 'SpecialSearch::showResults';
+		wfProfileIn( $fname );
+
+		$this->setupPage( $term );
+
+		global $wgUser, $wgOut;
+		$sk = $wgUser->getSkin();
+		$wgOut->addWikiText( wfMsg( 'searchresulttext' ) );
+
+		#if ( !$this->parseQuery() ) {
+		if( '' === trim( $term ) ) {
+			$wgOut->setSubtitle( '' );
+			$wgOut->addHTML( $this->powerSearchBox( $term ) );
+			wfProfileOut( $fname );
+			return;
+		}
+
+		global $wgDisableTextSearch;
+		if ( $wgDisableTextSearch ) {
+			global $wgForwardSearchUrl;
+			if( $wgForwardSearchUrl ) {
+				$url = str_replace( '$1', urlencode( $term ), $wgForwardSearchUrl );
+				$wgOut->redirect( $url );
+				return;
+			}
+			global $wgInputEncoding;
+			$wgOut->addHTML( wfMsg( 'searchdisabled' ) );
+			$wgOut->addHTML(
+				wfMsg( 'googlesearch',
+					htmlspecialchars( $term ),
+					htmlspecialchars( $wgInputEncoding ),
+					htmlspecialchars( wfMsg( 'search' ) )
+				)
+			);
+			wfProfileOut( $fname );
+			return;
+		}
+
+		$search = SearchEngine::create();
+		$search->setLimitOffset( $this->limit, $this->offset );
+		$search->setNamespaces( $this->namespaces );
+		$search->showRedirects = $this->searchRedirects;
+		$titleMatches = $search->searchTitle( $term );
+		$textMatches = $search->searchText( $term );
+
+		$num = ( $titleMatches ? $titleMatches->numRows() : 0 )
+			+ ( $textMatches ? $textMatches->numRows() : 0);
+		if ( $num >= $this->limit ) {
+			$top = wfShowingResults( $this->offset, $this->limit );
+		} else {
+			$top = wfShowingResultsNum( $this->offset, $this->limit, $num );
+		}
+		$wgOut->addHTML( "<p>{$top}</p>\n" );
+
+		if( $num || $this->offset ) {
+			$prevnext = wfViewPrevNext( $this->offset, $this->limit,
+				'Special:Search',
+				wfArrayToCGI(
+					$this->powerSearchOptions(),
+					array( 'search' => $term ) ) );
+			$wgOut->addHTML( "<br />{$prevnext}\n" );
+		}
+
+		if( $titleMatches ) {
+			if( $titleMatches->numRows() ) {
+				$wgOut->addWikiText( '==' . wfMsg( 'titlematches' ) . "==\n" );
+				$wgOut->addHTML( $this->showMatches( $titleMatches ) );
+			} else {
+				$wgOut->addWikiText( '==' . wfMsg( 'notitlematches' ) . "==\n" );
+			}
+		}
+
+		if( $textMatches ) {
+			if( $textMatches->numRows() ) {
+				$wgOut->addWikiText( '==' . wfMsg( 'textmatches' ) . "==\n" );
+				$wgOut->addHTML( $this->showMatches( $textMatches ) );
+			} elseif( $num == 0 ) {
+				# Don't show the 'no text matches' if we received title matches
+				$wgOut->addWikiText( '==' . wfMsg( 'notextmatches' ) . "==\n" );
+			}
+		}
+
+		if ( $num == 0 ) {
+			$wgOut->addWikiText( wfMsg( 'nonefound' ) );
+		}
+		if( $num || $this->offset ) {
+			$wgOut->addHTML( "<p>{$prevnext}</p>\n" );
+		}
+		$wgOut->addHTML( $this->powerSearchBox( $term ) );
+		wfProfileOut( $fname );
+	}
+
+	#------------------------------------------------------------------
+	# Private methods below this line
+
+	/**
+	 *
+	 */
+	function setupPage( $term ) {
+		global $wgOut;
+		$wgOut->setPageTitle( wfMsg( 'searchresults' ) );
+		$subtitlemsg = ( Title::newFromText($term) ? 'searchsubtitle' : 'searchsubtitleinvalid' );
+		$wgOut->setSubtitle( $wgOut->parse( wfMsg( $subtitlemsg, wfEscapeWikiText($term) ) ) );
+		$wgOut->setArticleRelated( false );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+	}
+
+	/**
+	 * Extract default namespaces to search from the given user's
+	 * settings, returning a list of index numbers.
+	 *
+	 * @param User $user
+	 * @return array
+	 * @private
+	 */
+	function userNamespaces( &$user ) {
+		$arr = array();
+		foreach( SearchEngine::searchableNamespaces() as $ns => $name ) {
+			if( $user->getOption( 'searchNs' . $ns ) ) {
+				$arr[] = $ns;
+			}
+		}
+		return $arr;
+	}
+
+	/**
+	 * Extract "power search" namespace settings from the request object,
+	 * returning a list of index numbers to search.
+	 *
+	 * @param WebRequest $request
+	 * @return array
+	 * @private
+	 */
+	function powerSearch( &$request ) {
+		$arr = array();
+		foreach( SearchEngine::searchableNamespaces() as $ns => $name ) {
+			if( $request->getCheck( 'ns' . $ns ) ) {
+				$arr[] = $ns;
+			}
+		}
+		return $arr;
+	}
+
+	/**
+	 * Reconstruct the 'power search' options for links
+	 * @return array
+	 * @private
+	 */
+	function powerSearchOptions() {
+		$opt = array();
+		foreach( $this->namespaces as $n ) {
+			$opt['ns' . $n] = 1;
+		}
+		$opt['redirs'] = $this->searchRedirects ? 1 : 0;
+		$opt['searchx'] = 1;
+		return $opt;
+	}
+
+	/**
+	 * @param SearchResultSet $matches
+	 * @param string $terms partial regexp for highlighting terms
+	 */
+	function showMatches( &$matches ) {
+		$fname = 'SpecialSearch::showMatches';
+		wfProfileIn( $fname );
+
+		global $wgContLang;
+		$tm = $wgContLang->convertForSearchResult( $matches->termMatches() );
+		$terms = implode( '|', $tm );
+
+		$off = $this->offset + 1;
+		$out = "<ol start='{$off}'>\n";
+
+		while( $result = $matches->next() ) {
+			$out .= $this->showHit( $result, $terms );
+		}
+		$out .= "</ol>\n";
+
+		// convert the whole thing to desired language variant
+		global $wgContLang;
+		$out = $wgContLang->convert( $out );
+		wfProfileOut( $fname );
+		return $out;
+	}
+
+	/**
+	 * Format a single hit result
+	 * @param SearchResult $result
+	 * @param string $terms partial regexp for highlighting terms
+	 */
+	function showHit( $result, $terms ) {
+		$fname = 'SpecialSearch::showHit';
+		wfProfileIn( $fname );
+		global $wgUser, $wgContLang, $wgLang;
+
+		$t = $result->getTitle();
+		if( is_null( $t ) ) {
+			wfProfileOut( $fname );
+			return "<!-- Broken link in search result -->\n";
+		}
+		$sk =& $wgUser->getSkin();
+
+		$contextlines = $wgUser->getOption( 'contextlines' );
+		if ( '' == $contextlines ) { $contextlines = 5; }
+		$contextchars = $wgUser->getOption( 'contextchars' );
+		if ( '' == $contextchars ) { $contextchars = 50; }
+
+		$link = $sk->makeKnownLinkObj( $t );
+		$revision = Revision::newFromTitle( $t );
+		$text = $revision->getText();
+		$size = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( strlen( $text ) ) );
+
+		$lines = explode( "\n", $text );
+
+		$max = intval( $contextchars ) + 1;
+		$pat1 = "/(.*)($terms)(.{0,$max})/i";
+
+		$lineno = 0;
+
+		$extract = '';
+		wfProfileIn( "$fname-extract" );
+		foreach ( $lines as $line ) {
+			if ( 0 == $contextlines ) {
+				break;
+			}
+			++$lineno;
+			if ( ! preg_match( $pat1, $line, $m ) ) {
+				continue;
+			}
+			--$contextlines;
+			$pre = $wgContLang->truncate( $m[1], -$contextchars, '...' );
+
+			if ( count( $m ) < 3 ) {
+				$post = '';
+			} else {
+				$post = $wgContLang->truncate( $m[3], $contextchars, '...' );
+			}
+
+			$found = $m[2];
+
+			$line = htmlspecialchars( $pre . $found . $post );
+			$pat2 = '/(' . $terms . ")/i";
+			$line = preg_replace( $pat2,
+			  "<span class='searchmatch'>\\1</span>", $line );
+
+			$extract .= "<br /><small>{$lineno}: {$line}</small>\n";
+		}
+		wfProfileOut( "$fname-extract" );
+		wfProfileOut( $fname );
+		return "<li>{$link} ({$size}){$extract}</li>\n";
+	}
+
+	function powerSearchBox( $term ) {
+		$namespaces = '';
+		foreach( SearchEngine::searchableNamespaces() as $ns => $name ) {
+			$checked = in_array( $ns, $this->namespaces )
+				? ' checked="checked"'
+				: '';
+			$name = str_replace( '_', ' ', $name );
+			if( '' == $name ) {
+				$name = wfMsg( 'blanknamespace' );
+			}
+			$namespaces .= " <label><input type='checkbox' value=\"1\" name=\"" .
+			  "ns{$ns}\"{$checked} />{$name}</label>\n";
+		}
+
+		$checked = $this->searchRedirects
+			? ' checked="checked"'
+			: '';
+		$redirect = "<input type='checkbox' value='1' name=\"redirs\"{$checked} />\n";
+
+		$searchField = '<input type="text" name="search" value="' .
+			htmlspecialchars( $term ) ."\" size=\"16\" />\n";
+
+		$searchButton = '<input type="submit" name="searchx" value="' .
+		  htmlspecialchars( wfMsg('powersearch') ) . "\" />\n";
+
+		$ret = wfMsg( 'powersearchtext',
+			$namespaces, $redirect, $searchField,
+			'', '', '', '', '', # Dummy placeholders
+			$searchButton );
+
+		$title = Title::makeTitle( NS_SPECIAL, 'Search' );
+		$action = $title->escapeLocalURL();
+		return "<br /><br />\n<form id=\"powersearch\" method=\"get\" " .
+		  "action=\"$action\">\n{$ret}\n</form>\n";
+	}
+}
+
+?>
diff --git a/includes/SpecialShortpages.php b/includes/SpecialShortpages.php
new file mode 100644
index 00000000..d8e13c7b
--- /dev/null
+++ b/includes/SpecialShortpages.php
@@ -0,0 +1,91 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * SpecialShortpages extends QueryPage. It is used to return the shortest
+ * pages in the database.
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class ShortPagesPage extends QueryPage {
+
+	function getName() {
+		return "Shortpages";
+	}
+
+	/**
+	 * This query is indexed as of 1.5
+	 */
+	function isExpensive() {
+		return true;
+	}
+
+	function isSyndicated() {
+		return false;
+	}
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$page = $dbr->tableName( 'page' );
+		$name = $dbr->addQuotes( $this->getName() );
+
+		$forceindex = $dbr->useIndexClause("page_len");
+		return
+			"SELECT $name as type,
+				page_namespace as namespace,
+			        page_title as title,
+			        page_len AS value
+			FROM $page $forceindex
+			WHERE page_namespace=".NS_MAIN." AND page_is_redirect=0";
+	}
+
+	function preprocessResults( &$dbo, $res ) {
+		# There's no point doing a batch check if we aren't caching results;
+		# the page must exist for it to have been pulled out of the table
+		if( $this->isCached() ) {
+			$batch = new LinkBatch();
+			while( $row = $dbo->fetchObject( $res ) )
+				$batch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
+			$batch->execute();
+			if( $dbo->numRows( $res ) > 0 )
+				$dbo->dataSeek( $res, 0 );
+		}
+	}
+
+	function sortDescending() {
+		return false;
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+		$dm = $wgContLang->getDirMark();
+		
+		$title = Title::makeTitleSafe( $result->namespace, $result->title );
+		$hlink = $skin->makeKnownLinkObj( $title, wfMsgHtml( 'hist' ), 'action=history' );
+		$plink = $this->isCached()
+					? $skin->makeLinkObj( $title )
+					: $skin->makeKnownLinkObj( $title );
+		$size = wfMsgHtml( 'nbytes', $wgLang->formatNum( htmlspecialchars( $result->value ) ) );
+		
+		return $title->exists()
+				? "({$hlink}) {$dm}{$plink} {$dm}[{$size}]"
+				: "<s>({$hlink}) {$dm}{$plink} {$dm}[{$size}]</s>";
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialShortpages() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$spp = new ShortPagesPage();
+
+	return $spp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialSpecialpages.php b/includes/SpecialSpecialpages.php
new file mode 100644
index 00000000..0b53db73
--- /dev/null
+++ b/includes/SpecialSpecialpages.php
@@ -0,0 +1,73 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+function wfSpecialSpecialpages() {
+	global $wgOut, $wgUser, $wgAvailableRights;
+
+	$wgOut->setRobotpolicy( 'index,nofollow' );
+	$sk = $wgUser->getSkin();
+
+	# Get listable pages, in a 2-d array with the first dimension being user right
+	$pages = SpecialPage::getPages();
+
+	/** Pages available to all */
+	wfSpecialSpecialpages_gen($pages[''],'spheading',$sk);
+
+	/** Restricted special pages */
+	$rpages = array();
+	foreach($wgAvailableRights as $right) {
+		/** only show pages a user can access */
+		if( $wgUser->isAllowed($right) ) {
+			/** some rights might not have any special page associated */
+			if(isset($pages[$right])) {
+				$rpages = array_merge( $rpages, $pages[$right] );
+			}
+		}
+	}
+	wfSpecialSpecialpages_gen( $rpages, 'restrictedpheading', $sk );
+}
+
+/**
+ * sub function generating the list of pages
+ * @param $pages the list of pages
+ * @param $heading header to be used
+ * @param $sk skin object ???
+ */
+function wfSpecialSpecialpages_gen($pages,$heading,$sk) {
+	global $wgOut, $wgSortSpecialPages;
+
+	if( count( $pages ) == 0 ) {
+		# Yeah, that was pointless. Thanks for coming.
+		return;
+	}
+
+	/** Put them into a sortable array */
+	$sortedPages = array();
+	foreach ( $pages as $name => $page ) {
+		if ( $page->isListed() ) {
+			$sortedPages[$page->getDescription()] = $page->getTitle();
+		}
+	}
+
+	/** Sort */
+	if ( $wgSortSpecialPages ) {
+		ksort( $sortedPages );
+	}
+
+	/** Now output the HTML */
+	$wgOut->addHTML( '<h2>' . wfMsgHtml( $heading ) . "</h2>\n<ul>" );
+	foreach ( $sortedPages as $desc => $title ) {
+		$link = $sk->makeKnownLinkObj( $title, $desc );
+		$wgOut->addHTML( "<li>{$link}</li>\n" );
+	}
+	$wgOut->addHTML( "</ul>\n" );
+}
+
+?>
diff --git a/includes/SpecialStatistics.php b/includes/SpecialStatistics.php
new file mode 100644
index 00000000..5903546a
--- /dev/null
+++ b/includes/SpecialStatistics.php
@@ -0,0 +1,86 @@
+<?php
+/**
+*
+* @package MediaWiki
+* @subpackage SpecialPage
+*/
+
+/**
+* constructor
+*/
+function wfSpecialStatistics() {
+	global $wgOut, $wgLang, $wgRequest;
+	$fname = 'wfSpecialStatistics';
+
+	$action = $wgRequest->getVal( 'action' );
+
+	$dbr =& wfGetDB( DB_SLAVE );
+	extract( $dbr->tableNames( 'page', 'site_stats', 'user', 'user_groups' ) );
+
+	$row = $dbr->selectRow( 'site_stats', '*', false, $fname );
+	$views = $row->ss_total_views;
+	$edits = $row->ss_total_edits;
+	$good = $row->ss_good_articles;
+	$images = $row->ss_images;
+
+	# This code is somewhat schema-agnostic, because I'm changing it in a minor release -- TS
+	if ( isset( $row->ss_total_pages ) && $row->ss_total_pages == -1 ) {
+		# Update schema
+		$u = new SiteStatsUpdate( 0, 0, 0 );
+		$u->doUpdate();
+		$row = $dbr->selectRow( 'site_stats', '*', false, $fname );
+	}
+
+	if ( isset( $row->ss_total_pages ) ) {
+		$total = $row->ss_total_pages;
+	} else {
+		$sql = "SELECT COUNT(page_namespace) AS total FROM $page";
+		$res = $dbr->query( $sql, $fname );
+		$pageRow = $dbr->fetchObject( $res );
+		$total = $pageRow->total;
+	}
+
+	if ( isset( $row->ss_users ) ) {
+		$users = $row->ss_users;
+	} else {
+		$sql = "SELECT MAX(user_id) AS total FROM $user";
+		$res = $dbr->query( $sql, $fname );
+		$userRow = $dbr->fetchObject( $res );
+		$users = $userRow->total;
+	}
+
+	$admins = $dbr->selectField( 'user_groups', 'COUNT(*)', array( 'ug_group' => 'sysop' ), $fname );
+	$numJobs = $dbr->selectField( 'job', 'COUNT(*)', '', $fname );
+
+	if ($action == 'raw') {
+		$wgOut->disable();
+		header( 'Pragma: nocache' );
+		echo "total=$total;good=$good;views=$views;edits=$edits;users=$users;admins=$admins;images=$images;jobs=$numJobs\n";
+		return;
+	} else {
+		$text = '==' . wfMsg( 'sitestats' ) . "==\n" ;
+		$text .= wfMsg( 'sitestatstext',
+			$wgLang->formatNum( $total ),
+			$wgLang->formatNum( $good ),
+			$wgLang->formatNum( $views ),
+			$wgLang->formatNum( $edits ),
+			$wgLang->formatNum( sprintf( '%.2f', $total ? $edits / $total : 0 ) ),
+			$wgLang->formatNum( sprintf( '%.2f', $edits ? $views / $edits : 0 ) ),
+			$wgLang->formatNum( $numJobs ),
+			$wgLang->formatNum( $images )
+	   	);
+
+		$text .= "\n==" . wfMsg( 'userstats' ) . "==\n";
+
+		$text .= wfMsg( 'userstatstext',
+			$wgLang->formatNum( $users ),
+			$wgLang->formatNum( $admins ),
+			'[[' . wfMsgForContent( 'administrators' ) . ']]',
+			// should logically be after #admins, damn backwards compatability!
+			$wgLang->formatNum( sprintf( '%.2f', $admins / $users * 100 ) )
+		);
+
+		$wgOut->addWikiText( $text );
+	}
+}
+?>
diff --git a/includes/SpecialUncategorizedcategories.php b/includes/SpecialUncategorizedcategories.php
new file mode 100644
index 00000000..ba399f0c
--- /dev/null
+++ b/includes/SpecialUncategorizedcategories.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once( "SpecialUncategorizedpages.php" );
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UncategorizedCategoriesPage extends UncategorizedPagesPage {
+	function UncategorizedCategoriesPage() {
+		$this->requestedNamespace = NS_CATEGORY;
+	}
+
+	function getName() {
+		return "Uncategorizedcategories";
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialUncategorizedcategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$lpp = new UncategorizedCategoriesPage();
+
+	return $lpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialUncategorizedimages.php b/includes/SpecialUncategorizedimages.php
new file mode 100644
index 00000000..38156976
--- /dev/null
+++ b/includes/SpecialUncategorizedimages.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * Special page lists images which haven't been categorised
+ *
+ * @package MediaWiki
+ * @subpackage Special pages
+ * @author Rob Church <robchur@gmail.com>
+ */
+ 
+class UncategorizedImagesPage extends QueryPage {
+
+	function getName() {
+		return 'Uncategorizedimages';
+	}
+	
+	function sortDescending() {
+		return false;
+	}
+	
+	function isExpensive() {
+		return true;
+	}
+	
+	function isSyndicated() {
+		return false;
+	}
+	
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'categorylinks' ) );
+		$ns = NS_IMAGE;
+
+		return "SELECT 'Uncategorizedimages' AS type, page_namespace AS namespace,
+				page_title AS title, page_title AS value
+				FROM {$page} LEFT JOIN {$categorylinks} ON page_id = cl_from
+				WHERE cl_from IS NULL AND page_namespace = {$ns} AND page_is_redirect = 0";
+	}
+	
+	function formatResult( &$skin, $row ) {
+		global $wgContLang;
+		$title = Title::makeTitleSafe( NS_IMAGE, $row->title );
+		$label = htmlspecialchars( $wgContLang->convert( $title->getText() ) );
+		return $skin->makeKnownLinkObj( $title, $label );
+	}
+				
+}
+
+function wfSpecialUncategorizedimages() {
+	$uip = new UncategorizedImagesPage();
+	list( $limit, $offset ) = wfCheckLimits();
+	return $uip->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialUncategorizedpages.php b/includes/SpecialUncategorizedpages.php
new file mode 100644
index 00000000..0ecc5d07
--- /dev/null
+++ b/includes/SpecialUncategorizedpages.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UncategorizedPagesPage extends PageQueryPage {
+	var $requestedNamespace = NS_MAIN;
+
+	function getName() {
+		return "Uncategorizedpages";
+	}
+
+	function sortDescending() {
+		return false;
+	}
+
+	function isExpensive() {
+		return true;
+	}
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'categorylinks' ) );
+		$name = $dbr->addQuotes( $this->getName() );
+
+		return
+			"
+			SELECT
+				$name as type,
+				page_namespace AS namespace,
+				page_title AS title,
+				page_title AS value
+			FROM $page
+			LEFT JOIN $categorylinks ON page_id=cl_from
+			WHERE cl_from IS NULL AND page_namespace={$this->requestedNamespace} AND page_is_redirect=0
+			";
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialUncategorizedpages() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$lpp = new UncategorizedPagesPage();
+
+	return $lpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialUndelete.php b/includes/SpecialUndelete.php
new file mode 100644
index 00000000..695c8c29
--- /dev/null
+++ b/includes/SpecialUndelete.php
@@ -0,0 +1,737 @@
+<?php
+
+/**
+ * Special page allowing users with the appropriate permissions to view
+ * and restore deleted content
+ *
+ * @package MediaWiki
+ * @subpackage Special pages
+ */
+
+/**
+ *
+ */
+function wfSpecialUndelete( $par ) {
+    global $wgRequest;
+
+	$form = new UndeleteForm( $wgRequest, $par );
+	$form->execute();
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class PageArchive {
+	var $title;
+
+	function PageArchive( &$title ) {
+		if( is_null( $title ) ) {
+			throw new MWException( 'Archiver() given a null title.');
+		}
+		$this->title =& $title;
+	}
+
+	/**
+	 * List all deleted pages recorded in the archive table. Returns result
+	 * wrapper with (ar_namespace, ar_title, count) fields, ordered by page
+	 * namespace/title. Can be called staticaly.
+	 *
+	 * @return ResultWrapper
+	 */
+	/* static */ function listAllPages() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$archive = $dbr->tableName( 'archive' );
+
+		$sql = "SELECT ar_namespace,ar_title, COUNT(*) AS count FROM $archive " .
+		  "GROUP BY ar_namespace,ar_title ORDER BY ar_namespace,ar_title";
+
+		return $dbr->resultObject( $dbr->query( $sql, 'PageArchive::listAllPages' ) );
+	}
+
+	/**
+	 * List the revisions of the given page. Returns result wrapper with
+	 * (ar_minor_edit, ar_timestamp, ar_user, ar_user_text, ar_comment) fields.
+	 *
+	 * @return ResultWrapper
+	 */
+	function listRevisions() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'archive',
+			array( 'ar_minor_edit', 'ar_timestamp', 'ar_user', 'ar_user_text', 'ar_comment' ),
+			array( 'ar_namespace' => $this->title->getNamespace(),
+			       'ar_title' => $this->title->getDBkey() ),
+			'PageArchive::listRevisions',
+			array( 'ORDER BY' => 'ar_timestamp DESC' ) );
+		$ret = $dbr->resultObject( $res );
+		return $ret;
+	}
+	
+	/**
+	 * List the deleted file revisions for this page, if it's a file page.
+	 * Returns a result wrapper with various filearchive fields, or null
+	 * if not a file page.
+	 *
+	 * @return ResultWrapper
+	 * @fixme Does this belong in Image for fuller encapsulation?
+	 */
+	function listFiles() {
+		$fname = __CLASS__ . '::' . __FUNCTION__;
+		if( $this->title->getNamespace() == NS_IMAGE ) {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$res = $dbr->select( 'filearchive',
+				array(
+					'fa_id',
+					'fa_name',
+					'fa_storage_key',
+					'fa_size',
+					'fa_width',
+					'fa_height',
+					'fa_description',
+					'fa_user',
+					'fa_user_text',
+					'fa_timestamp' ),
+				array( 'fa_name' => $this->title->getDbKey() ),
+				$fname,
+				array( 'ORDER BY' => 'fa_timestamp DESC' ) );
+			$ret = $dbr->resultObject( $res );
+			return $ret;
+		}
+		return null;
+	}
+
+	/**
+	 * Fetch (and decompress if necessary) the stored text for the deleted
+	 * revision of the page with the given timestamp.
+	 *
+	 * @return string
+	 */
+	function getRevisionText( $timestamp ) {
+		$fname = 'PageArchive::getRevisionText';
+		$dbr =& wfGetDB( DB_SLAVE );
+		$row = $dbr->selectRow( 'archive',
+			array( 'ar_text', 'ar_flags', 'ar_text_id' ),
+			array( 'ar_namespace' => $this->title->getNamespace(),
+			       'ar_title' => $this->title->getDbkey(),
+			       'ar_timestamp' => $dbr->timestamp( $timestamp ) ),
+			$fname );
+		if( $row ) {
+			return $this->getTextFromRow( $row );
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * Get the text from an archive row containing ar_text, ar_flags and ar_text_id
+	 */
+	function getTextFromRow( $row ) {
+		$fname = 'PageArchive::getTextFromRow';
+
+		if( is_null( $row->ar_text_id ) ) {
+			// An old row from MediaWiki 1.4 or previous.
+			// Text is embedded in this row in classic compression format.
+			return Revision::getRevisionText( $row, "ar_" );
+		} else {
+			// New-style: keyed to the text storage backend.
+			$dbr =& wfGetDB( DB_SLAVE );
+			$text = $dbr->selectRow( 'text',
+				array( 'old_text', 'old_flags' ),
+				array( 'old_id' => $row->ar_text_id ),
+				$fname );
+			return Revision::getRevisionText( $text );
+		}
+	}
+
+
+	/**
+	 * Fetch (and decompress if necessary) the stored text of the most
+	 * recently edited deleted revision of the page.
+	 *
+	 * If there are no archived revisions for the page, returns NULL.
+	 *
+	 * @return string
+	 */
+	function getLastRevisionText() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$row = $dbr->selectRow( 'archive',
+			array( 'ar_text', 'ar_flags', 'ar_text_id' ),
+			array( 'ar_namespace' => $this->title->getNamespace(),
+			       'ar_title' => $this->title->getDBkey() ),
+			'PageArchive::getLastRevisionText',
+			array( 'ORDER BY' => 'ar_timestamp DESC' ) );
+		if( $row ) {
+			return $this->getTextFromRow( $row );
+		} else {
+			return NULL;
+		}
+	}
+
+	/**
+	 * Quick check if any archived revisions are present for the page.
+	 * @return bool
+	 */
+	function isDeleted() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$n = $dbr->selectField( 'archive', 'COUNT(ar_title)',
+			array( 'ar_namespace' => $this->title->getNamespace(),
+			       'ar_title' => $this->title->getDBkey() ) );
+		return ($n > 0);
+	}
+
+	/**
+	 * Restore the given (or all) text and file revisions for the page.
+	 * Once restored, the items will be removed from the archive tables.
+	 * The deletion log will be updated with an undeletion notice.
+	 *
+	 * @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
+	 * @param string $comment
+	 * @param array $fileVersions
+	 *
+	 * @return true on success.
+	 */
+	function undelete( $timestamps, $comment = '', $fileVersions = array() ) {
+		// If both the set of text revisions and file revisions are empty,
+		// restore everything. Otherwise, just restore the requested items.
+		$restoreAll = empty( $timestamps ) && empty( $fileVersions );
+		
+		$restoreText = $restoreAll || !empty( $timestamps );
+		$restoreFiles = $restoreAll || !empty( $fileVersions );
+		
+		if( $restoreFiles && $this->title->getNamespace() == NS_IMAGE ) {
+			$img = new Image( $this->title );
+			$filesRestored = $img->restore( $fileVersions );
+		} else {
+			$filesRestored = 0;
+		}
+		
+		if( $restoreText ) {
+			$textRestored = $this->undeleteRevisions( $timestamps );
+		} else {
+			$textRestored = 0;
+		}
+		
+		// Touch the log!
+		global $wgContLang;
+		$log = new LogPage( 'delete' );
+		
+		if( $textRestored && $filesRestored ) {
+			$reason = wfMsgForContent( 'undeletedrevisions-files',
+				$wgContLang->formatNum( $textRestored ),
+				$wgContLang->formatNum( $filesRestored ) );
+		} elseif( $textRestored ) {
+			$reason = wfMsgForContent( 'undeletedrevisions',
+				$wgContLang->formatNum( $textRestored ) );
+		} elseif( $filesRestored ) {
+			$reason = wfMsgForContent( 'undeletedfiles',
+				$wgContLang->formatNum( $filesRestored ) );
+		} else {
+			wfDebug( "Undelete: nothing undeleted...\n" );
+			return false;
+		}
+		
+		if( trim( $comment ) != '' )
+			$reason .= ": {$comment}";
+		$log->addEntry( 'restore', $this->title, $reason );
+		
+		return true;
+	}
+	
+	/**
+	 * This is the meaty bit -- restores archived revisions of the given page
+	 * to the cur/old tables. If the page currently exists, all revisions will
+	 * be stuffed into old, otherwise the most recent will go into cur.
+	 *
+	 * @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
+	 * @param string $comment
+	 * @param array $fileVersions
+	 *
+	 * @return int number of revisions restored
+	 */
+	private function undeleteRevisions( $timestamps ) {
+		global $wgParser, $wgDBtype;
+
+		$fname = __CLASS__ . '::' . __FUNCTION__;
+		$restoreAll = empty( $timestamps );
+		
+		$dbw =& wfGetDB( DB_MASTER );
+		extract( $dbw->tableNames( 'page', 'archive' ) );
+
+		# Does this page already exist? We'll have to update it...
+		$article = new Article( $this->title );
+		$options = ( $wgDBtype == 'postgres' )
+			? '' // pg doesn't support this?
+			: 'FOR UPDATE';
+		$page = $dbw->selectRow( 'page',
+			array( 'page_id', 'page_latest' ),
+			array( 'page_namespace' => $this->title->getNamespace(),
+			       'page_title'     => $this->title->getDBkey() ),
+			$fname,
+			$options );
+		if( $page ) {
+			# Page already exists. Import the history, and if necessary
+			# we'll update the latest revision field in the record.
+			$newid             = 0;
+			$pageId            = $page->page_id;
+			$previousRevId     = $page->page_latest;
+		} else {
+			# Have to create a new article...
+			$newid  = $article->insertOn( $dbw );
+			$pageId = $newid;
+			$previousRevId = 0;
+		}
+
+		if( $restoreAll ) {
+			$oldones = '1 = 1'; # All revisions...
+		} else {
+			$oldts = implode( ',',
+				array_map( array( &$dbw, 'addQuotes' ),
+					array_map( array( &$dbw, 'timestamp' ),
+						$timestamps ) ) );
+
+			$oldones = "ar_timestamp IN ( {$oldts} )";
+		}
+
+		/**
+		 * Restore each revision...
+		 */
+		$result = $dbw->select( 'archive',
+			/* fields */ array(
+				'ar_rev_id',
+				'ar_text',
+				'ar_comment',
+				'ar_user',
+				'ar_user_text',
+				'ar_timestamp',
+				'ar_minor_edit',
+				'ar_flags',
+				'ar_text_id' ),
+			/* WHERE */ array(
+				'ar_namespace' => $this->title->getNamespace(),
+				'ar_title'     => $this->title->getDBkey(),
+				$oldones ),
+			$fname,
+			/* options */ array(
+				'ORDER BY' => 'ar_timestamp' )
+			);
+		if( $dbw->numRows( $result ) < count( $timestamps ) ) {
+			wfDebug( "$fname: couldn't find all requested rows\n" );
+			return false;
+		}
+		
+		$revision = null;
+		$newRevId = $previousRevId;
+		$restored = 0;
+
+		while( $row = $dbw->fetchObject( $result ) ) {
+			if( $row->ar_text_id ) {
+				// Revision was deleted in 1.5+; text is in
+				// the regular text table, use the reference.
+				// Specify null here so the so the text is
+				// dereferenced for page length info if needed.
+				$revText = null;
+			} else {
+				// Revision was deleted in 1.4 or earlier.
+				// Text is squashed into the archive row, and
+				// a new text table entry will be created for it.
+				$revText = Revision::getRevisionText( $row, 'ar_' );
+			}
+			$revision = new Revision( array(
+				'page'       => $pageId,
+				'id'         => $row->ar_rev_id,
+				'text'       => $revText,
+				'comment'    => $row->ar_comment,
+				'user'       => $row->ar_user,
+				'user_text'  => $row->ar_user_text,
+				'timestamp'  => $row->ar_timestamp,
+				'minor_edit' => $row->ar_minor_edit,
+				'text_id'    => $row->ar_text_id,
+				) );
+			$newRevId = $revision->insertOn( $dbw );
+			$restored++;
+		}
+
+		if( $revision ) {
+			# FIXME: Update latest if newer as well...
+			if( $newid ) {
+				# FIXME: update article count if changed...
+				$article->updateRevisionOn( $dbw, $revision, $previousRevId );
+
+				# Finally, clean up the link tables
+				$options = new ParserOptions;
+				$parserOutput = $wgParser->parse( $revision->getText(), $this->title, $options,
+					true, true, $newRevId );
+				$u = new LinksUpdate( $this->title, $parserOutput );
+				$u->doUpdate();
+
+				#TODO: SearchUpdate, etc.
+			}
+
+			if( $newid ) {
+				Article::onArticleCreate( $this->title );
+			} else {
+				Article::onArticleEdit( $this->title );
+			}
+		} else {
+			# Something went terribly wrong!
+		}
+
+		# Now that it's safely stored, take it out of the archive
+		$dbw->delete( 'archive',
+			/* WHERE */ array(
+				'ar_namespace' => $this->title->getNamespace(),
+				'ar_title' => $this->title->getDBkey(),
+				$oldones ),
+			$fname );
+
+		return $restored;
+	}
+
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UndeleteForm {
+	var $mAction, $mTarget, $mTimestamp, $mRestore, $mTargetObj;
+	var $mTargetTimestamp, $mAllowed, $mComment;
+
+	function UndeleteForm( &$request, $par = "" ) {
+		global $wgUser;
+		$this->mAction = $request->getText( 'action' );
+		$this->mTarget = $request->getText( 'target' );
+		$this->mTimestamp = $request->getText( 'timestamp' );
+		$this->mFile = $request->getVal( 'file' );
+		
+		$posted = $request->wasPosted() &&
+			$wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
+		$this->mRestore = $request->getCheck( 'restore' ) && $posted;
+		$this->mPreview = $request->getCheck( 'preview' ) && $posted;
+		$this->mComment = $request->getText( 'wpComment' );
+		
+		if( $par != "" ) {
+			$this->mTarget = $par;
+		}
+		if ( $wgUser->isAllowed( 'delete' ) && !$wgUser->isBlocked() ) {
+			$this->mAllowed = true;
+		} else {
+			$this->mAllowed = false;
+			$this->mTimestamp = '';
+			$this->mRestore = false;
+		}
+		if ( $this->mTarget !== "" ) {
+			$this->mTargetObj = Title::newFromURL( $this->mTarget );
+		} else {
+			$this->mTargetObj = NULL;
+		}
+		if( $this->mRestore ) {
+			$timestamps = array();
+			$this->mFileVersions = array();
+			foreach( $_REQUEST as $key => $val ) {
+				if( preg_match( '/^ts(\d{14})$/', $key, $matches ) ) {
+					array_push( $timestamps, $matches[1] );
+				}
+				
+				if( preg_match( '/^fileid(\d+)$/', $key, $matches ) ) {
+					$this->mFileVersions[] = intval( $matches[1] );
+				}
+			}
+			rsort( $timestamps );
+			$this->mTargetTimestamp = $timestamps;
+		}
+	}
+
+	function execute() {
+
+		if( is_null( $this->mTargetObj ) ) {
+			return $this->showList();
+		}
+		if( $this->mTimestamp !== '' ) {
+			return $this->showRevision( $this->mTimestamp );
+		}
+		if( $this->mFile !== null ) {
+			return $this->showFile( $this->mFile );
+		}
+		if( $this->mRestore && $this->mAction == "submit" ) {
+			return $this->undelete();
+		}
+		return $this->showHistory();
+	}
+
+	/* private */ function showList() {
+		global $wgLang, $wgContLang, $wgUser, $wgOut;
+		$fname = "UndeleteForm::showList";
+
+		# List undeletable articles
+		$result = PageArchive::listAllPages();
+
+		if ( $this->mAllowed ) {
+			$wgOut->setPagetitle( wfMsg( "undeletepage" ) );
+		} else {
+			$wgOut->setPagetitle( wfMsg( "viewdeletedpage" ) );
+		}
+		$wgOut->addWikiText( wfMsg( "undeletepagetext" ) );
+
+		$sk = $wgUser->getSkin();
+		$undelete =& Title::makeTitle( NS_SPECIAL, 'Undelete' );
+		$wgOut->addHTML( "<ul>\n" );
+		while( $row = $result->fetchObject() ) {
+			$n = ($row->ar_namespace ?
+				($wgContLang->getNsText( $row->ar_namespace ) . ":") : "").
+				$row->ar_title;
+			$link = $sk->makeKnownLinkObj( $undelete,
+				htmlspecialchars( $n ), "target=" . urlencode( $n ) );
+			$revisions = htmlspecialchars( wfMsg( "undeleterevisions",
+				$wgLang->formatNum( $row->count ) ) );
+			$wgOut->addHTML( "<li>$link ($revisions)</li>\n" );
+		}
+		$result->free();
+		$wgOut->addHTML( "</ul>\n" );
+
+		return true;
+	}
+
+	/* private */ function showRevision( $timestamp ) {
+		global $wgLang, $wgUser, $wgOut;
+		$fname = "UndeleteForm::showRevision";
+
+		if(!preg_match("/[0-9]{14}/",$timestamp)) return 0;
+
+		$archive =& new PageArchive( $this->mTargetObj );
+		$text = $archive->getRevisionText( $timestamp );
+
+		$wgOut->setPagetitle( wfMsg( "undeletepage" ) );
+		$wgOut->addWikiText( "(" . wfMsg( "undeleterevision",
+			$wgLang->date( $timestamp ) ) . ")\n" );
+		
+		if( $this->mPreview ) {
+			$wgOut->addHtml( "<hr />\n" );
+			$wgOut->addWikiText( $text );
+		}
+		
+		$self = Title::makeTitle( NS_SPECIAL, "Undelete" );
+		
+		$wgOut->addHtml(
+			wfElement( 'textarea', array(
+					'readonly' => true,
+					'cols' => intval( $wgUser->getOption( 'cols' ) ),
+					'rows' => intval( $wgUser->getOption( 'rows' ) ) ),
+				$text . "\n" ) .
+			wfOpenElement( 'div' ) .
+			wfOpenElement( 'form', array(
+				'method' => 'post',
+				'action' => $self->getLocalURL( "action=submit" ) ) ) .
+			wfElement( 'input', array(
+				'type' => 'hidden',
+				'name' => 'target',
+				'value' => $this->mTargetObj->getPrefixedDbKey() ) ) .
+			wfElement( 'input', array(
+				'type' => 'hidden',
+				'name' => 'timestamp',
+				'value' => $timestamp ) ) .
+			wfElement( 'input', array(
+				'type' => 'hidden',
+				'name' => 'wpEditToken',
+				'value' => $wgUser->editToken() ) ) .
+			wfElement( 'input', array(
+				'type' => 'hidden',
+				'name' => 'preview',
+				'value' => '1' ) ) .
+			wfElement( 'input', array(
+				'type' => 'submit',
+				'value' => wfMsg( 'showpreview' ) ) ) .
+			wfCloseElement( 'form' ) .
+			wfCloseElement( 'div' ) );
+	}
+	
+	/**
+	 * Show a deleted file version requested by the visitor.
+	 */
+	function showFile( $key ) {
+		global $wgOut;
+		$wgOut->disable();
+		
+		$store = FileStore::get( 'deleted' );
+		$store->stream( $key );
+	}
+
+	/* private */ function showHistory() {
+		global $wgLang, $wgUser, $wgOut;
+
+		$sk = $wgUser->getSkin();
+		if ( $this->mAllowed ) {
+			$wgOut->setPagetitle( wfMsg( "undeletepage" ) );
+		} else {
+			$wgOut->setPagetitle( wfMsg( 'viewdeletedpage' ) );
+		}
+
+		$archive = new PageArchive( $this->mTargetObj );
+		$text = $archive->getLastRevisionText();
+		/*
+		if( is_null( $text ) ) {
+			$wgOut->addWikiText( wfMsg( "nohistory" ) );
+			return;
+		}
+		*/
+		if ( $this->mAllowed ) {
+			$wgOut->addWikiText( wfMsg( "undeletehistory" ) );
+		} else {
+			$wgOut->addWikiText( wfMsg( "undeletehistorynoadmin" ) );
+		}
+
+		# List all stored revisions
+		$revisions = $archive->listRevisions();
+		$files = $archive->listFiles();
+		
+		$haveRevisions = $revisions && $revisions->numRows() > 0;
+		$haveFiles = $files && $files->numRows() > 0;
+		
+		# Batch existence check on user and talk pages
+		if( $haveRevisions ) {
+			$batch = new LinkBatch();
+			while( $row = $revisions->fetchObject() ) {
+				$batch->addObj( Title::makeTitleSafe( NS_USER, $row->ar_user_text ) );
+				$batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->ar_user_text ) );
+			}
+			$batch->execute();
+			$revisions->seek( 0 );
+		}
+		if( $haveFiles ) {
+			$batch = new LinkBatch();
+			while( $row = $files->fetchObject() ) {
+				$batch->addObj( Title::makeTitleSafe( NS_USER, $row->fa_user_text ) );
+				$batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->fa_user_text ) );
+			}
+			$batch->execute();
+			$files->seek( 0 );
+		}
+
+		if ( $this->mAllowed ) {
+			$titleObj = Title::makeTitle( NS_SPECIAL, "Undelete" );
+			$action = $titleObj->getLocalURL( "action=submit" );
+			# Start the form here
+			$top = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $action, 'id' => 'undelete' ) );
+			$wgOut->addHtml( $top );
+		}
+
+		# Show relevant lines from the deletion log:
+		$wgOut->addHTML( "<h2>" . htmlspecialchars( LogPage::logName( 'delete' ) ) . "</h2>\n" );
+		require_once( 'SpecialLog.php' );
+		$logViewer =& new LogViewer(
+			new LogReader(
+				new FauxRequest(
+					array( 'page' => $this->mTargetObj->getPrefixedText(),
+						   'type' => 'delete' ) ) ) );
+		$logViewer->showList( $wgOut );
+		
+		if( $this->mAllowed && ( $haveRevisions || $haveFiles ) ) {
+			# Format the user-visible controls (comment field, submission button)
+			# in a nice little table
+			$table = '<fieldset><table><tr>';
+			$table .= '<td colspan="2">' . wfMsgWikiHtml( 'undeleteextrahelp' ) . '</td></tr><tr>';
+			$table .= '<td align="right"><strong>' . wfMsgHtml( 'undeletecomment' ) . '</strong></td>';
+			$table .= '<td>' . wfInput( 'wpComment', 50, $this->mComment ) . '</td>';
+			$table .= '</tr><tr><td>&nbsp;</td><td>';
+			$table .= wfSubmitButton( wfMsg( 'undeletebtn' ), array( 'name' => 'restore' ) );
+			$table .= wfElement( 'input', array( 'type' => 'reset', 'value' => wfMsg( 'undeletereset' ) ) );
+			$table .= '</td></tr></table></fieldset>';
+			$wgOut->addHtml( $table );
+		}
+	
+		$wgOut->addHTML( "<h2>" . htmlspecialchars( wfMsg( "history" ) ) . "</h2>\n" );
+		
+		if( $haveRevisions ) {
+			# The page's stored (deleted) history:
+			$wgOut->addHTML("<ul>");
+			$target = urlencode( $this->mTarget );
+			while( $row = $revisions->fetchObject() ) {
+				$ts = wfTimestamp( TS_MW, $row->ar_timestamp );
+				if ( $this->mAllowed ) {
+					$checkBox = wfCheck( "ts$ts" );
+					$pageLink = $sk->makeKnownLinkObj( $titleObj,
+						$wgLang->timeanddate( $ts, true ),
+						"target=$target&timestamp=$ts" );
+				} else {
+					$checkBox = '';
+					$pageLink = $wgLang->timeanddate( $ts, true );
+				}
+				$userLink = $sk->userLink( $row->ar_user, $row->ar_user_text ) . $sk->userToolLinks( $row->ar_user, $row->ar_user_text );
+				$comment = $sk->commentBlock( $row->ar_comment );
+				$wgOut->addHTML( "<li>$checkBox $pageLink . . $userLink $comment</li>\n" );
+	
+			}
+			$revisions->free();
+			$wgOut->addHTML("</ul>");
+		} else {
+			$wgOut->addWikiText( wfMsg( "nohistory" ) );
+		}
+
+		
+		if( $haveFiles ) {
+			$wgOut->addHtml( "<h2>" . wfMsgHtml( 'imghistory' ) . "</h2>\n" );
+			$wgOut->addHtml( "<ul>" );
+			while( $row = $files->fetchObject() ) {
+				$ts = wfTimestamp( TS_MW, $row->fa_timestamp );
+				if ( $this->mAllowed && $row->fa_storage_key ) {
+					$checkBox = wfCheck( "fileid" . $row->fa_id );
+					$key = urlencode( $row->fa_storage_key );
+					$target = urlencode( $this->mTarget );
+					$pageLink = $sk->makeKnownLinkObj( $titleObj,
+						$wgLang->timeanddate( $ts, true ),
+						"target=$target&file=$key" );
+				} else {
+					$checkBox = '';
+					$pageLink = $wgLang->timeanddate( $ts, true );
+				}
+ 				$userLink = $sk->userLink( $row->fa_user, $row->fa_user_text ) . $sk->userToolLinks( $row->fa_user, $row->fa_user_text );
+				$data =
+					wfMsgHtml( 'widthheight',
+						$wgLang->formatNum( $row->fa_width ),
+						$wgLang->formatNum( $row->fa_height ) ) .
+					' (' .
+					wfMsgHtml( 'nbytes', $wgLang->formatNum( $row->fa_size ) ) .
+					')';
+				$comment = $sk->commentBlock( $row->fa_description );
+				$wgOut->addHTML( "<li>$checkBox $pageLink . . $userLink $data $comment</li>\n" );
+			}
+			$files->free();
+			$wgOut->addHTML( "</ul>" );
+		}
+		
+		if ( $this->mAllowed ) {
+			# Slip in the hidden controls here
+			$misc  = wfHidden( 'target', $this->mTarget );
+			$misc .= wfHidden( 'wpEditToken', $wgUser->editToken() );
+			$wgOut->addHtml( $misc . '</form>' );
+		}
+
+		return true;
+	}
+
+	function undelete() {
+		global $wgOut, $wgUser;
+		if( !is_null( $this->mTargetObj ) ) {
+			$archive = new PageArchive( $this->mTargetObj );
+			$ok = true;
+			
+			$ok = $archive->undelete(
+				$this->mTargetTimestamp,
+				$this->mComment,
+				$this->mFileVersions );
+			
+			if( $ok ) {
+				$skin =& $wgUser->getSkin();
+				$link = $skin->makeKnownLinkObj( $this->mTargetObj );
+				$wgOut->addHtml( wfMsgWikiHtml( 'undeletedpage', $link ) );
+				return true;
+			}
+		}
+		$wgOut->showFatalError( wfMsg( "cannotundelete" ) );
+		return false;
+	}
+}
+
+?>
diff --git a/includes/SpecialUnlockdb.php b/includes/SpecialUnlockdb.php
new file mode 100644
index 00000000..a10d1ee0
--- /dev/null
+++ b/includes/SpecialUnlockdb.php
@@ -0,0 +1,105 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+function wfSpecialUnlockdb() {
+	global $wgUser, $wgOut, $wgRequest;
+
+	if ( ! $wgUser->isAllowed('siteadmin') ) {
+		$wgOut->developerRequired();
+		return;
+	}
+	$action = $wgRequest->getVal( 'action' );
+	$f = new DBUnlockForm();
+
+	if ( "success" == $action ) {
+		$f->showSuccess();
+	} else if ( "submit" == $action && $wgRequest->wasPosted() &&
+		$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
+		$f->doSubmit();
+	} else {
+		$f->showForm( "" );
+	}
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class DBUnlockForm {
+	function showForm( $err )
+	{
+		global $wgOut, $wgUser;
+
+		$wgOut->setPagetitle( wfMsg( "unlockdb" ) );
+		$wgOut->addWikiText( wfMsg( "unlockdbtext" ) );
+
+		if ( "" != $err ) {
+			$wgOut->setSubtitle( wfMsg( "formerror" ) );
+			$wgOut->addHTML( '<p class="error">' . htmlspecialchars( $err ) . "</p>\n" );
+		}
+		$lc = htmlspecialchars( wfMsg( "unlockconfirm" ) );
+		$lb = htmlspecialchars( wfMsg( "unlockbtn" ) );
+		$titleObj = Title::makeTitle( NS_SPECIAL, "Unlockdb" );
+		$action = $titleObj->escapeLocalURL( "action=submit" );
+		$token = htmlspecialchars( $wgUser->editToken() );
+
+		$wgOut->addHTML( <<<END
+
+<form id="unlockdb" method="post" action="{$action}">
+<table border="0">
+	<tr>
+		<td align="right">
+			<input type="checkbox" name="wpLockConfirm" />
+		</td>
+		<td align="left">{$lc}</td>
+	</tr>
+	<tr>
+		<td>&nbsp;</td>
+		<td align="left">
+			<input type="submit" name="wpLock" value="{$lb}" />
+		</td>
+	</tr>
+</table>
+<input type="hidden" name="wpEditToken" value="{$token}" />
+</form>
+END
+);
+
+	}
+
+	function doSubmit() {
+		global $wgOut, $wgRequest, $wgReadOnlyFile;
+
+		$wpLockConfirm = $wgRequest->getCheck( 'wpLockConfirm' );
+		if ( ! $wpLockConfirm ) {
+			$this->showForm( wfMsg( "locknoconfirm" ) );
+			return;
+		}
+		if ( @! unlink( $wgReadOnlyFile ) ) {
+			$wgOut->showFileDeleteError( $wgReadOnlyFile );
+			return;
+		}
+		$titleObj = Title::makeTitle( NS_SPECIAL, "Unlockdb" );
+		$success = $titleObj->getFullURL( "action=success" );
+		$wgOut->redirect( $success );
+	}
+
+	function showSuccess() {
+		global $wgOut;
+		global $ip;
+
+		$wgOut->setPagetitle( wfMsg( "unlockdb" ) );
+		$wgOut->setSubtitle( wfMsg( "unlockdbsuccesssub" ) );
+		$wgOut->addWikiText( wfMsg( "unlockdbsuccesstext", $ip ) );
+	}
+}
+
+?>
diff --git a/includes/SpecialUnusedcategories.php b/includes/SpecialUnusedcategories.php
new file mode 100644
index 00000000..270180ef
--- /dev/null
+++ b/includes/SpecialUnusedcategories.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UnusedCategoriesPage extends QueryPage {
+
+	function getName() {
+		return 'Unusedcategories';
+	}
+
+	function getPageHeader() {
+		return '<p>' . wfMsg('unusedcategoriestext') . '</p>';
+	}
+
+	function getSQL() {
+		$NScat = NS_CATEGORY;
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'categorylinks','page' ));
+		return "SELECT 'Unusedcategories' as type,
+				{$NScat} as namespace, page_title as title, 1 as value
+				FROM $page
+				LEFT JOIN $categorylinks ON page_title=cl_to
+				WHERE cl_from IS NULL
+				AND page_namespace = {$NScat}
+				AND page_is_redirect = 0";
+	}
+
+	function formatResult( $skin, $result ) {
+		$title = Title::makeTitle( NS_CATEGORY, $result->title );
+		return $skin->makeLinkObj( $title, $title->getText() );
+	}
+}
+
+/** constructor */
+function wfSpecialUnusedCategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+	$uc = new UnusedCategoriesPage();
+	return $uc->doQuery( $offset, $limit );
+}
+?>
diff --git a/includes/SpecialUnusedimages.php b/includes/SpecialUnusedimages.php
new file mode 100644
index 00000000..32a6f95a
--- /dev/null
+++ b/includes/SpecialUnusedimages.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UnusedimagesPage extends QueryPage {
+
+	function getName() {
+		return 'Unusedimages';
+	}
+
+	function sortDescending() {
+		return false;
+	}
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		global $wgCountCategorizedImagesAsUsed;
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		if ( $wgCountCategorizedImagesAsUsed ) {
+			extract( $dbr->tableNames( 'page', 'image', 'imagelinks', 'categorylinks' ) );
+
+			return 'SELECT img_name as title, img_user, img_user_text, img_timestamp as value, img_description
+					FROM ((('.$page.' AS I LEFT JOIN '.$categorylinks.' AS L ON I.page_id = L.cl_from)
+						LEFT JOIN '.$imagelinks.' AS P ON I.page_title = P.il_to)
+						INNER JOIN '.$image.' AS G ON I.page_title = G.img_name)
+					WHERE I.page_namespace = '.NS_IMAGE.' AND L.cl_from IS NULL AND P.il_to IS NULL';
+		} else {
+			extract( $dbr->tableNames( 'image','imagelinks' ) );
+
+			return 'SELECT img_name as title, img_user, img_user_text, img_timestamp as value, img_description' .
+			' FROM '.$image.' LEFT JOIN '.$imagelinks.' ON img_name=il_to WHERE il_to IS NULL ';
+		}
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+		$title = Title::makeTitle( NS_IMAGE, $result->title );
+
+		$imageUrl = htmlspecialchars( Image::imageUrl( $result->title ) );
+		$dirmark = $wgContLang->getDirMark(); // To keep text in correct order
+
+		$return =
+		# The 'desc' linking to the image page
+		'('.$skin->makeKnownLinkObj( $title, wfMsg('imgdesc') ).') ' . $dirmark .
+
+		# Link to the image itself
+		'<a href="' . $imageUrl . '">' . htmlspecialchars( $title->getText() ) .
+			'</a> . . ' . $dirmark .
+
+		# Last modified date
+		$wgLang->timeanddate($result->value) . ' . . ' . $dirmark .
+
+		# Link to username
+		$skin->makeLinkObj( Title::makeTitle( NS_USER, $result->img_user_text ),
+			$result->img_user_text) . $dirmark .
+
+		# If there is a description, show it
+		$skin->commentBlock( $wgContLang->convert( $result->img_description ) );
+
+		return $return;
+	}
+
+	function getPageHeader() {
+		return wfMsg( "unusedimagestext" );
+	}
+
+}
+
+/**
+ * Entry point
+ */
+function wfSpecialUnusedimages() {
+	list( $limit, $offset ) = wfCheckLimits();
+	$uip = new UnusedimagesPage();
+
+	return $uip->doQuery( $offset, $limit );
+}
+?>
diff --git a/includes/SpecialUnusedtemplates.php b/includes/SpecialUnusedtemplates.php
new file mode 100644
index 00000000..b33a24da
--- /dev/null
+++ b/includes/SpecialUnusedtemplates.php
@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * @package MediaWiki
+ * @subpackage Special pages
+ *
+ * @author Rob Church <robchur@gmail.com>
+ * @copyright © 2006 Rob Church
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+class UnusedtemplatesPage extends QueryPage {
+
+	function getName() { return( 'Unusedtemplates' ); }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+	function sortDescending() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'templatelinks' ) );
+		$sql = "SELECT 'Unusedtemplates' AS type, page_title AS title,
+			page_namespace AS namespace, 0 AS value
+			FROM $page
+			LEFT JOIN $templatelinks
+			ON page_namespace = tl_namespace AND page_title = tl_title
+			WHERE page_namespace = 10 AND tl_from IS NULL";
+		return $sql;
+	}
+
+	function formatResult( $skin, $result ) {
+		$title = Title::makeTitle( NS_TEMPLATE, $result->title );
+		$pageLink = $skin->makeKnownLinkObj( $title, '', 'redirect=no' );
+		$wlhLink = $skin->makeKnownLinkObj(
+			Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
+			wfMsgHtml( 'unusedtemplateswlh' ),
+			'target=' . $title->getPrefixedUrl() );
+		return wfSpecialList( $pageLink, $wlhLink );
+	}
+
+	function getPageHeader() {
+		global $wgOut;
+		return $wgOut->parse( wfMsg( 'unusedtemplatestext' ) );
+	}
+
+}
+
+function wfSpecialUnusedtemplates() {
+	list( $limit, $offset ) = wfCheckLimits();
+	$utp = new UnusedtemplatesPage();
+	$utp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialUnwatchedpages.php b/includes/SpecialUnwatchedpages.php
new file mode 100644
index 00000000..66e5c091
--- /dev/null
+++ b/includes/SpecialUnwatchedpages.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * A special page that displays a list of pages that are not on anyones watchlist
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UnwatchedpagesPage extends QueryPage {
+
+	function getName() { return 'Unwatchedpages'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'watchlist' ) );
+		$mwns = NS_MEDIAWIKI;
+		return
+			"
+			SELECT
+				'Unwatchedpages' as type,
+				page_namespace as namespace,
+				page_title as title,
+				page_namespace as value
+			FROM $page
+			LEFT JOIN $watchlist ON wl_namespace = page_namespace AND page_title = wl_title
+			WHERE wl_title IS NULL AND page_is_redirect = 0 AND page_namespace<>$mwns
+			";
+	}
+
+	function sortDescending() { return false; }
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getPrefixedText() );
+
+		$plink = $skin->makeKnownLinkObj( $nt, htmlspecialchars( $text ) );
+		$wlink = $skin->makeKnownLinkObj( $nt, wfMsgHtml( 'watch' ), 'action=watch' );
+
+		return wfSpecialList( $plink, $wlink );
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialUnwatchedpages() {
+	global $wgUser, $wgOut;
+
+	if ( ! $wgUser->isAllowed( 'unwatchedpages' ) )
+		return $wgOut->permissionRequired( 'unwatchedpages' );
+
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new UnwatchedpagesPage();
+
+	$wpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialUpload.php b/includes/SpecialUpload.php
new file mode 100644
index 00000000..06336df9
--- /dev/null
+++ b/includes/SpecialUpload.php
@@ -0,0 +1,1109 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once 'Image.php';
+/**
+ * Entry point
+ */
+function wfSpecialUpload() {
+	global $wgRequest;
+	$form = new UploadForm( $wgRequest );
+	$form->execute();
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UploadForm {
+	/**#@+
+	 * @access private
+	 */
+	var $mUploadFile, $mUploadDescription, $mLicense ,$mIgnoreWarning, $mUploadError;
+	var $mUploadSaveName, $mUploadTempName, $mUploadSize, $mUploadOldVersion;
+	var $mUploadCopyStatus, $mUploadSource, $mReUpload, $mAction, $mUpload;
+	var $mOname, $mSessionKey, $mStashed, $mDestFile, $mRemoveTempFile;
+	/**#@-*/
+
+	/**
+	 * Constructor : initialise object
+	 * Get data POSTed through the form and assign them to the object
+	 * @param $request Data posted.
+	 */
+	function UploadForm( &$request ) {
+		$this->mDestFile          = $request->getText( 'wpDestFile' );
+
+		if( !$request->wasPosted() ) {
+			# GET requests just give the main form; no data except wpDestfile.
+			return;
+		}
+
+		$this->mIgnoreWarning     = $request->getCheck( 'wpIgnoreWarning' );
+		$this->mReUpload          = $request->getCheck( 'wpReUpload' );
+		$this->mUpload            = $request->getCheck( 'wpUpload' );
+
+		$this->mUploadDescription = $request->getText( 'wpUploadDescription' );
+		$this->mLicense           = $request->getText( 'wpLicense' );
+		$this->mUploadCopyStatus  = $request->getText( 'wpUploadCopyStatus' );
+		$this->mUploadSource      = $request->getText( 'wpUploadSource' );
+		$this->mWatchthis         = $request->getBool( 'wpWatchthis' );
+		wfDebug( "UploadForm: watchthis is: '$this->mWatchthis'\n" );
+
+		$this->mAction            = $request->getVal( 'action' );
+
+		$this->mSessionKey        = $request->getInt( 'wpSessionKey' );
+		if( !empty( $this->mSessionKey ) &&
+			isset( $_SESSION['wsUploadData'][$this->mSessionKey] ) ) {
+			/**
+			 * Confirming a temporarily stashed upload.
+			 * We don't want path names to be forged, so we keep
+			 * them in the session on the server and just give
+			 * an opaque key to the user agent.
+			 */
+			$data = $_SESSION['wsUploadData'][$this->mSessionKey];
+			$this->mUploadTempName   = $data['mUploadTempName'];
+			$this->mUploadSize       = $data['mUploadSize'];
+			$this->mOname            = $data['mOname'];
+			$this->mUploadError      = 0/*UPLOAD_ERR_OK*/;
+			$this->mStashed          = true;
+			$this->mRemoveTempFile   = false;
+		} else {
+			/**
+			 *Check for a newly uploaded file.
+			 */
+			$this->mUploadTempName = $request->getFileTempName( 'wpUploadFile' );
+			$this->mUploadSize     = $request->getFileSize( 'wpUploadFile' );
+			$this->mOname          = $request->getFileName( 'wpUploadFile' );
+			$this->mUploadError    = $request->getUploadError( 'wpUploadFile' );
+			$this->mSessionKey     = false;
+			$this->mStashed        = false;
+			$this->mRemoveTempFile = false; // PHP will handle this
+		}
+	}
+
+	/**
+	 * Start doing stuff
+	 * @access public
+	 */
+	function execute() {
+		global $wgUser, $wgOut;
+		global $wgEnableUploads, $wgUploadDirectory;
+
+		# Check uploading enabled
+		if( !$wgEnableUploads ) {
+			$wgOut->showErrorPage( 'uploaddisabled', 'uploaddisabledtext' );
+			return;
+		}
+
+		# Check permissions
+		if( $wgUser->isLoggedIn() ) {
+			if( !$wgUser->isAllowed( 'upload' ) ) {
+				$wgOut->permissionRequired( 'upload' );
+				return;
+			}
+		} else {
+			$wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
+			return;
+		}
+
+		# Check blocks
+		if( $wgUser->isBlocked() ) {
+			$wgOut->blockedPage();
+			return;
+		}
+
+		if( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return;
+		}
+
+		/** Check if the image directory is writeable, this is a common mistake */
+		if ( !is_writeable( $wgUploadDirectory ) ) {
+			$wgOut->addWikiText( wfMsg( 'upload_directory_read_only', $wgUploadDirectory ) );
+			return;
+		}
+
+		if( $this->mReUpload ) {
+			if ( !$this->unsaveUploadedFile() ) {
+				return;
+			}
+			$this->mainUploadForm();
+		} else if ( 'submit' == $this->mAction || $this->mUpload ) {
+			$this->processUpload();
+		} else {
+			$this->mainUploadForm();
+		}
+
+		$this->cleanupTempFile();
+	}
+
+	/* -------------------------------------------------------------- */
+
+	/**
+	 * Really do the upload
+	 * Checks are made in SpecialUpload::execute()
+	 * @access private
+	 */
+	function processUpload() {
+		global $wgUser, $wgOut;
+
+		/* Check for PHP error if any, requires php 4.2 or newer */
+		if ( $this->mUploadError == 1/*UPLOAD_ERR_INI_SIZE*/ ) {
+			$this->mainUploadForm( wfMsgHtml( 'largefileserver' ) );
+			return;
+		}
+
+		/**
+		 * If there was no filename or a zero size given, give up quick.
+		 */
+		if( trim( $this->mOname ) == '' || empty( $this->mUploadSize ) ) {
+			$this->mainUploadForm( wfMsgHtml( 'emptyfile' ) );
+			return;
+		}
+
+		# Chop off any directories in the given filename
+		if ( $this->mDestFile ) {
+			$basename = wfBaseName( $this->mDestFile );
+		} else {
+			$basename = wfBaseName( $this->mOname );
+		}
+
+		/**
+		 * We'll want to blacklist against *any* 'extension', and use
+		 * only the final one for the whitelist.
+		 */
+		list( $partname, $ext ) = $this->splitExtensions( $basename );
+		
+		if( count( $ext ) ) {
+			$finalExt = $ext[count( $ext ) - 1];
+		} else {
+			$finalExt = '';
+		}
+		$fullExt = implode( '.', $ext );
+
+		# If there was more than one "extension", reassemble the base
+		# filename to prevent bogus complaints about length
+		if( count( $ext ) > 1 ) {
+			for( $i = 0; $i < count( $ext ) - 1; $i++ )
+				$partname .= '.' . $ext[$i];
+		}
+
+		if ( strlen( $partname ) < 3 ) {
+			$this->mainUploadForm( wfMsgHtml( 'minlength' ) );
+			return;
+		}
+
+		/**
+		 * Filter out illegal characters, and try to make a legible name
+		 * out of it. We'll strip some silently that Title would die on.
+		 */
+		$filtered = preg_replace ( "/[^".Title::legalChars()."]|:/", '-', $basename );
+		$nt = Title::newFromText( $filtered );
+		if( is_null( $nt ) ) {
+			$this->uploadError( wfMsgWikiHtml( 'illegalfilename', htmlspecialchars( $filtered ) ) );
+			return;
+		}
+		$nt =& Title::makeTitle( NS_IMAGE, $nt->getDBkey() );
+		$this->mUploadSaveName = $nt->getDBkey();
+
+		/**
+		 * If the image is protected, non-sysop users won't be able
+		 * to modify it by uploading a new revision.
+		 */
+		if( !$nt->userCanEdit() ) {
+			return $this->uploadError( wfMsgWikiHtml( 'protectedpage' ) );
+		}
+
+		/**
+		 * In some cases we may forbid overwriting of existing files.
+		 */
+		$overwrite = $this->checkOverwrite( $this->mUploadSaveName );
+		if( WikiError::isError( $overwrite ) ) {
+			return $this->uploadError( $overwrite->toString() );
+		}
+
+		/* Don't allow users to override the blacklist (check file extension) */
+		global $wgStrictFileExtensions;
+		global $wgFileExtensions, $wgFileBlacklist;
+		if( $this->checkFileExtensionList( $ext, $wgFileBlacklist ) ||
+			($wgStrictFileExtensions &&
+				!$this->checkFileExtension( $finalExt, $wgFileExtensions ) ) ) {
+			return $this->uploadError( wfMsgHtml( 'badfiletype', htmlspecialchars( $fullExt ) ) );
+		}
+
+		/**
+		 * Look at the contents of the file; if we can recognize the
+		 * type but it's corrupt or data of the wrong type, we should
+		 * probably not accept it.
+		 */
+		if( !$this->mStashed ) {
+			$this->checkMacBinary();
+			$veri = $this->verify( $this->mUploadTempName, $finalExt );
+
+			if( $veri !== true ) { //it's a wiki error...
+				return $this->uploadError( $veri->toString() );
+			}
+		}
+
+		/**
+		 * Provide an opportunity for extensions to add futher checks
+		 */
+		$error = '';
+		if( !wfRunHooks( 'UploadVerification',
+				array( $this->mUploadSaveName, $this->mUploadTempName, &$error ) ) ) {
+			return $this->uploadError( $error );
+		}
+
+		/**
+		 * Check for non-fatal conditions
+		 */
+		if ( ! $this->mIgnoreWarning ) {
+			$warning = '';
+
+			global $wgCapitalLinks;
+			if( $wgCapitalLinks ) {
+				$filtered = ucfirst( $filtered );
+			}
+			if( $this->mUploadSaveName != $filtered ) {
+				$warning .=  '<li>'.wfMsgHtml( 'badfilename', htmlspecialchars( $this->mUploadSaveName ) ).'</li>';
+			}
+
+			global $wgCheckFileExtensions;
+			if ( $wgCheckFileExtensions ) {
+				if ( ! $this->checkFileExtension( $finalExt, $wgFileExtensions ) ) {
+					$warning .= '<li>'.wfMsgHtml( 'badfiletype', htmlspecialchars( $fullExt ) ).'</li>';
+				}
+			}
+
+			global $wgUploadSizeWarning;
+			if ( $wgUploadSizeWarning && ( $this->mUploadSize > $wgUploadSizeWarning ) ) {
+				# TODO: Format $wgUploadSizeWarning to something that looks better than the raw byte
+				# value, perhaps add GB,MB and KB suffixes?
+				$warning .= '<li>'.wfMsgHtml( 'largefile', $wgUploadSizeWarning, $this->mUploadSize ).'</li>';
+			}
+			if ( $this->mUploadSize == 0 ) {
+				$warning .= '<li>'.wfMsgHtml( 'emptyfile' ).'</li>';
+			}
+
+			if( $nt->getArticleID() ) {
+				global $wgUser;
+				$sk = $wgUser->getSkin();
+				$dlink = $sk->makeKnownLinkObj( $nt );
+				$warning .= '<li>'.wfMsgHtml( 'fileexists', $dlink ).'</li>';
+			} else {
+				# If the file existed before and was deleted, warn the user of this
+				# Don't bother doing so if the image exists now, however
+				$image = new Image( $nt );
+				if( $image->wasDeleted() ) {
+					$skin = $wgUser->getSkin();
+					$ltitle = Title::makeTitle( NS_SPECIAL, 'Log' );
+					$llink = $skin->makeKnownLinkObj( $ltitle, wfMsgHtml( 'deletionlog' ), 'type=delete&page=' . $nt->getPrefixedUrl() );
+					$warning .= wfOpenElement( 'li' ) . wfMsgWikiHtml( 'filewasdeleted', $llink ) . wfCloseElement( 'li' );
+				}
+			}
+
+			if( $warning != '' ) {
+				/**
+				 * Stash the file in a temporary location; the user can choose
+				 * to let it through and we'll complete the upload then.
+				 */
+				return $this->uploadWarning( $warning );
+			}
+		}
+
+		/**
+		 * Try actually saving the thing...
+		 * It will show an error form on failure.
+		 */
+		$hasBeenMunged = !empty( $this->mSessionKey ) || $this->mRemoveTempFile;
+		if( $this->saveUploadedFile( $this->mUploadSaveName,
+		                             $this->mUploadTempName,
+		                             $hasBeenMunged ) ) {
+			/**
+			 * Update the upload log and create the description page
+			 * if it's a new file.
+			 */
+			$img = Image::newFromName( $this->mUploadSaveName );
+			$success = $img->recordUpload( $this->mUploadOldVersion,
+			                                $this->mUploadDescription,
+			                                $this->mLicense,
+			                                $this->mUploadCopyStatus,
+			                                $this->mUploadSource,
+			                                $this->mWatchthis );
+
+			if ( $success ) {
+				$this->showSuccess();
+				wfRunHooks( 'UploadComplete', array( &$img ) );
+			} else {
+				// Image::recordUpload() fails if the image went missing, which is
+				// unlikely, hence the lack of a specialised message
+				$wgOut->showFileNotFoundError( $this->mUploadSaveName );
+			}
+		}
+	}
+
+	/**
+	 * Move the uploaded file from its temporary location to the final
+	 * destination. If a previous version of the file exists, move
+	 * it into the archive subdirectory.
+	 *
+	 * @todo If the later save fails, we may have disappeared the original file.
+	 *
+	 * @param string $saveName
+	 * @param string $tempName full path to the temporary file
+	 * @param bool $useRename if true, doesn't check that the source file
+	 *                        is a PHP-managed upload temporary
+	 */
+	function saveUploadedFile( $saveName, $tempName, $useRename = false ) {
+		global $wgOut;
+
+		$fname= "SpecialUpload::saveUploadedFile";
+
+		$dest = wfImageDir( $saveName );
+		$archive = wfImageArchiveDir( $saveName );
+		if ( !is_dir( $dest ) ) wfMkdirParents( $dest );
+		if ( !is_dir( $archive ) ) wfMkdirParents( $archive );
+		
+		$this->mSavedFile = "{$dest}/{$saveName}";
+
+		if( is_file( $this->mSavedFile ) ) {
+			$this->mUploadOldVersion = gmdate( 'YmdHis' ) . "!{$saveName}";
+			wfSuppressWarnings();
+			$success = rename( $this->mSavedFile, "${archive}/{$this->mUploadOldVersion}" );
+			wfRestoreWarnings();
+
+			if( ! $success ) {
+				$wgOut->showFileRenameError( $this->mSavedFile,
+				  "${archive}/{$this->mUploadOldVersion}" );
+				return false;
+			}
+			else wfDebug("$fname: moved file ".$this->mSavedFile." to ${archive}/{$this->mUploadOldVersion}\n");
+		}
+		else {
+			$this->mUploadOldVersion = '';
+		}
+
+		wfSuppressWarnings();
+		$success = $useRename
+			? rename( $tempName, $this->mSavedFile )
+			: move_uploaded_file( $tempName, $this->mSavedFile );
+		wfRestoreWarnings();
+
+		if( ! $success ) {
+			$wgOut->showFileCopyError( $tempName, $this->mSavedFile );
+			return false;
+		} else {
+			wfDebug("$fname: wrote tempfile $tempName to ".$this->mSavedFile."\n");
+		}
+
+		chmod( $this->mSavedFile, 0644 );
+		return true;
+	}
+
+	/**
+	 * Stash a file in a temporary directory for later processing
+	 * after the user has confirmed it.
+	 *
+	 * If the user doesn't explicitly cancel or accept, these files
+	 * can accumulate in the temp directory.
+	 *
+	 * @param string $saveName - the destination filename
+	 * @param string $tempName - the source temporary file to save
+	 * @return string - full path the stashed file, or false on failure
+	 * @access private
+	 */
+	function saveTempUploadedFile( $saveName, $tempName ) {
+		global $wgOut;
+		$archive = wfImageArchiveDir( $saveName, 'temp' );
+		if ( !is_dir ( $archive ) ) wfMkdirParents( $archive );
+		$stash = $archive . '/' . gmdate( "YmdHis" ) . '!' . $saveName;
+
+		$success = $this->mRemoveTempFile
+			? rename( $tempName, $stash )
+			: move_uploaded_file( $tempName, $stash );
+		if ( !$success ) {
+			$wgOut->showFileCopyError( $tempName, $stash );
+			return false;
+		}
+
+		return $stash;
+	}
+
+	/**
+	 * Stash a file in a temporary directory for later processing,
+	 * and save the necessary descriptive info into the session.
+	 * Returns a key value which will be passed through a form
+	 * to pick up the path info on a later invocation.
+	 *
+	 * @return int
+	 * @access private
+	 */
+	function stashSession() {
+		$stash = $this->saveTempUploadedFile(
+			$this->mUploadSaveName, $this->mUploadTempName );
+
+		if( !$stash ) {
+			# Couldn't save the file.
+			return false;
+		}
+
+		$key = mt_rand( 0, 0x7fffffff );
+		$_SESSION['wsUploadData'][$key] = array(
+			'mUploadTempName' => $stash,
+			'mUploadSize'     => $this->mUploadSize,
+			'mOname'          => $this->mOname );
+		return $key;
+	}
+
+	/**
+	 * Remove a temporarily kept file stashed by saveTempUploadedFile().
+	 * @access private
+	 * @return success
+	 */
+	function unsaveUploadedFile() {
+		global $wgOut;
+		wfSuppressWarnings();
+		$success = unlink( $this->mUploadTempName );
+		wfRestoreWarnings();
+		if ( ! $success ) {
+			$wgOut->showFileDeleteError( $this->mUploadTempName );
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	/* -------------------------------------------------------------- */
+
+	/**
+	 * Show some text and linkage on successful upload.
+	 * @access private
+	 */
+	function showSuccess() {
+		global $wgUser, $wgOut, $wgContLang;
+
+		$sk = $wgUser->getSkin();
+		$ilink = $sk->makeMediaLink( $this->mUploadSaveName, Image::imageUrl( $this->mUploadSaveName ) );
+		$dname = $wgContLang->getNsText( NS_IMAGE ) . ':'.$this->mUploadSaveName;
+		$dlink = $sk->makeKnownLink( $dname, $dname );
+
+		$wgOut->addHTML( '<h2>' . wfMsgHtml( 'successfulupload' ) . "</h2>\n" );
+		$text = wfMsgWikiHtml( 'fileuploaded', $ilink, $dlink );
+		$wgOut->addHTML( $text );
+		$wgOut->returnToMain( false );
+	}
+
+	/**
+	 * @param string $error as HTML
+	 * @access private
+	 */
+	function uploadError( $error ) {
+		global $wgOut;
+		$wgOut->addHTML( "<h2>" . wfMsgHtml( 'uploadwarning' ) . "</h2>\n" );
+		$wgOut->addHTML( "<span class='error'>{$error}</span>\n" );
+	}
+
+	/**
+	 * There's something wrong with this file, not enough to reject it
+	 * totally but we require manual intervention to save it for real.
+	 * Stash it away, then present a form asking to confirm or cancel.
+	 *
+	 * @param string $warning as HTML
+	 * @access private
+	 */
+	function uploadWarning( $warning ) {
+		global $wgOut;
+		global $wgUseCopyrightUpload;
+
+		$this->mSessionKey = $this->stashSession();
+		if( !$this->mSessionKey ) {
+			# Couldn't save file; an error has been displayed so let's go.
+			return;
+		}
+
+		$wgOut->addHTML( "<h2>" . wfMsgHtml( 'uploadwarning' ) . "</h2>\n" );
+		$wgOut->addHTML( "<ul class='warning'>{$warning}</ul><br />\n" );
+
+		$save = wfMsgHtml( 'savefile' );
+		$reupload = wfMsgHtml( 'reupload' );
+		$iw = wfMsgWikiHtml( 'ignorewarning' );
+		$reup = wfMsgWikiHtml( 'reuploaddesc' );
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Upload' );
+		$action = $titleObj->escapeLocalURL( 'action=submit' );
+
+		if ( $wgUseCopyrightUpload )
+		{
+			$copyright =  "
+	<input type='hidden' name='wpUploadCopyStatus' value=\"" . htmlspecialchars( $this->mUploadCopyStatus ) . "\" />
+	<input type='hidden' name='wpUploadSource' value=\"" . htmlspecialchars( $this->mUploadSource ) . "\" />
+	";
+		} else {
+			$copyright = "";
+		}
+
+		$wgOut->addHTML( "
+	<form id='uploadwarning' method='post' enctype='multipart/form-data' action='$action'>
+		<input type='hidden' name='wpIgnoreWarning' value='1' />
+		<input type='hidden' name='wpSessionKey' value=\"" . htmlspecialchars( $this->mSessionKey ) . "\" />
+		<input type='hidden' name='wpUploadDescription' value=\"" . htmlspecialchars( $this->mUploadDescription ) . "\" />
+		<input type='hidden' name='wpLicense' value=\"" . htmlspecialchars( $this->mLicense ) . "\" />
+		<input type='hidden' name='wpDestFile' value=\"" . htmlspecialchars( $this->mDestFile ) . "\" />
+		<input type='hidden' name='wpWatchthis' value=\"" . htmlspecialchars( intval( $this->mWatchthis ) ) . "\" />
+	{$copyright}
+	<table border='0'>
+		<tr>
+			<tr>
+				<td align='right'>
+					<input tabindex='2' type='submit' name='wpUpload' value=\"$save\" />
+				</td>
+				<td align='left'>$iw</td>
+			</tr>
+			<tr>
+				<td align='right'>
+					<input tabindex='2' type='submit' name='wpReUpload' value=\"{$reupload}\" />
+				</td>
+				<td align='left'>$reup</td>
+			</tr>
+		</tr>
+	</table></form>\n" );
+	}
+
+	/**
+	 * Displays the main upload form, optionally with a highlighted
+	 * error message up at the top.
+	 *
+	 * @param string $msg as HTML
+	 * @access private
+	 */
+	function mainUploadForm( $msg='' ) {
+		global $wgOut, $wgUser;
+		global $wgUseCopyrightUpload;
+
+		$cols = intval($wgUser->getOption( 'cols' ));
+		$ew = $wgUser->getOption( 'editwidth' );
+		if ( $ew ) $ew = " style=\"width:100%\"";
+		else $ew = '';
+
+		if ( '' != $msg ) {
+			$sub = wfMsgHtml( 'uploaderror' );
+			$wgOut->addHTML( "<h2>{$sub}</h2>\n" .
+			  "<span class='error'>{$msg}</span>\n" );
+		}
+		$wgOut->addHTML( '<div id="uploadtext">' );
+		$wgOut->addWikiText( wfMsg( 'uploadtext' ) );
+		$wgOut->addHTML( '</div>' );
+		$sk = $wgUser->getSkin();
+
+
+		$sourcefilename = wfMsgHtml( 'sourcefilename' );
+		$destfilename = wfMsgHtml( 'destfilename' );
+		$summary = wfMsgWikiHtml( 'fileuploadsummary' );
+
+		$licenses = new Licenses();
+		$license = wfMsgHtml( 'license' );
+		$nolicense = wfMsgHtml( 'nolicense' );
+		$licenseshtml = $licenses->getHtml();
+
+		$ulb = wfMsgHtml( 'uploadbtn' );
+
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Upload' );
+		$action = $titleObj->escapeLocalURL();
+
+		$encDestFile = htmlspecialchars( $this->mDestFile );
+
+		$watchChecked = $wgUser->getOption( 'watchdefault' )
+			? 'checked="checked"'
+			: '';
+
+		$wgOut->addHTML( "
+	<form id='upload' method='post' enctype='multipart/form-data' action=\"$action\">
+		<table border='0'>
+		<tr>
+			<td align='right'><label for='wpUploadFile'>{$sourcefilename}:</label></td>
+			<td align='left'>
+				<input tabindex='1' type='file' name='wpUploadFile' id='wpUploadFile' " . ($this->mDestFile?"":"onchange='fillDestFilename()' ") . "size='40' />
+			</td>
+		</tr>
+		<tr>
+			<td align='right'><label for='wpDestFile'>{$destfilename}:</label></td>
+			<td align='left'>
+				<input tabindex='2' type='text' name='wpDestFile' id='wpDestFile' size='40' value=\"$encDestFile\" />
+			</td>
+		</tr>
+		<tr>
+			<td align='right'><label for='wpUploadDescription'>{$summary}</label></td>
+			<td align='left'>
+				<textarea tabindex='3' name='wpUploadDescription' id='wpUploadDescription' rows='6' cols='{$cols}'{$ew}>" . htmlspecialchars( $this->mUploadDescription ) . "</textarea>
+			</td>
+		</tr>
+		<tr>" );
+
+		if ( $licenseshtml != '' ) {
+			global $wgStylePath;
+			$wgOut->addHTML( "
+			<td align='right'><label for='wpLicense'>$license:</label></td>
+			<td align='left'>
+				<script type='text/javascript' src=\"$wgStylePath/common/upload.js\"></script>
+				<select name='wpLicense' id='wpLicense' tabindex='4'
+					onchange='licenseSelectorCheck()'>
+					<option value=''>$nolicense</option>
+					$licenseshtml
+				</select>
+			</td>
+			</tr>
+			<tr>
+		");
+		}
+
+		if ( $wgUseCopyrightUpload ) {
+			$filestatus = wfMsgHtml ( 'filestatus' );
+			$copystatus =  htmlspecialchars( $this->mUploadCopyStatus );
+			$filesource = wfMsgHtml ( 'filesource' );
+			$uploadsource = htmlspecialchars( $this->mUploadSource );
+			
+			$wgOut->addHTML( "
+			        <td align='right' nowrap='nowrap'><label for='wpUploadCopyStatus'>$filestatus:</label></td>
+			        <td><input tabindex='5' type='text' name='wpUploadCopyStatus' id='wpUploadCopyStatus' value=\"$copystatus\" size='40' /></td>
+		        </tr>
+			<tr>
+		        	<td align='right'><label for='wpUploadCopyStatus'>$filesource:</label></td>
+			        <td><input tabindex='6' type='text' name='wpUploadSource' id='wpUploadCopyStatus' value=\"$uploadsource\" size='40' /></td>
+			</tr>
+			<tr>
+		");
+		}
+
+
+		$wgOut->addHtml( "
+		<td></td>
+		<td>
+			<input tabindex='7' type='checkbox' name='wpWatchthis' id='wpWatchthis' $watchChecked value='true' />
+			<label for='wpWatchthis'>" . wfMsgHtml( 'watchthis' ) . "</label>
+			<input tabindex='8' type='checkbox' name='wpIgnoreWarning' id='wpIgnoreWarning' value='true' />
+			<label for='wpIgnoreWarning'>" . wfMsgHtml( 'ignorewarnings' ) . "</label>
+		</td>
+	</tr>
+	<tr>
+
+	</tr>
+	<tr>
+		<td></td>
+		<td align='left'><input tabindex='9' type='submit' name='wpUpload' value=\"{$ulb}\" /></td>
+	</tr>
+
+	<tr>
+		<td></td>
+		<td align='left'>
+		" );
+		$wgOut->addWikiText( wfMsgForContent( 'edittools' ) );
+		$wgOut->addHTML( "
+		</td>
+	</tr>
+
+	</table>
+	</form>" );
+	}
+
+	/* -------------------------------------------------------------- */
+
+	/**
+	 * Split a file into a base name and all dot-delimited 'extensions'
+	 * on the end. Some web server configurations will fall back to
+	 * earlier pseudo-'extensions' to determine type and execute
+	 * scripts, so the blacklist needs to check them all.
+	 *
+	 * @return array
+	 */
+	function splitExtensions( $filename ) {
+		$bits = explode( '.', $filename );
+		$basename = array_shift( $bits );
+		return array( $basename, $bits );
+	}
+
+	/**
+	 * Perform case-insensitive match against a list of file extensions.
+	 * Returns true if the extension is in the list.
+	 *
+	 * @param string $ext
+	 * @param array $list
+	 * @return bool
+	 */
+	function checkFileExtension( $ext, $list ) {
+		return in_array( strtolower( $ext ), $list );
+	}
+
+	/**
+	 * Perform case-insensitive match against a list of file extensions.
+	 * Returns true if any of the extensions are in the list.
+	 *
+	 * @param array $ext
+	 * @param array $list
+	 * @return bool
+	 */
+	function checkFileExtensionList( $ext, $list ) {
+		foreach( $ext as $e ) {
+			if( in_array( strtolower( $e ), $list ) ) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Verifies that it's ok to include the uploaded file
+	 *
+	 * @param string $tmpfile the full path of the temporary file to verify
+	 * @param string $extension The filename extension that the file is to be served with
+	 * @return mixed true of the file is verified, a WikiError object otherwise.
+	 */
+	function verify( $tmpfile, $extension ) {
+		#magically determine mime type
+		$magic=& wfGetMimeMagic();
+		$mime= $magic->guessMimeType($tmpfile,false);
+
+		$fname= "SpecialUpload::verify";
+
+		#check mime type, if desired
+		global $wgVerifyMimeType;
+		if ($wgVerifyMimeType) {
+
+			#check mime type against file extension
+			if( !$this->verifyExtension( $mime, $extension ) ) {
+				return new WikiErrorMsg( 'uploadcorrupt' );
+			}
+
+			#check mime type blacklist
+			global $wgMimeTypeBlacklist;
+			if( isset($wgMimeTypeBlacklist) && !is_null($wgMimeTypeBlacklist)
+				&& $this->checkFileExtension( $mime, $wgMimeTypeBlacklist ) ) {
+				return new WikiErrorMsg( 'badfiletype', htmlspecialchars( $mime ) );
+			}
+		}
+
+		#check for htmlish code and javascript
+		if( $this->detectScript ( $tmpfile, $mime, $extension ) ) {
+			return new WikiErrorMsg( 'uploadscripted' );
+		}
+
+		/**
+		* Scan the uploaded file for viruses
+		*/
+		$virus= $this->detectVirus($tmpfile);
+		if ( $virus ) {
+			return new WikiErrorMsg( 'uploadvirus', htmlspecialchars($virus) );
+		}
+
+		wfDebug( "$fname: all clear; passing.\n" );
+		return true;
+	}
+
+	/**
+	 * Checks if the mime type of the uploaded file matches the file extension.
+	 *
+	 * @param string $mime the mime type of the uploaded file
+	 * @param string $extension The filename extension that the file is to be served with
+	 * @return bool
+	 */
+	function verifyExtension( $mime, $extension ) {
+		$fname = 'SpecialUpload::verifyExtension';
+
+		$magic =& wfGetMimeMagic();
+
+		if ( ! $mime || $mime == 'unknown' || $mime == 'unknown/unknown' )
+			if ( ! $magic->isRecognizableExtension( $extension ) ) {
+				wfDebug( "$fname: passing file with unknown detected mime type; unrecognized extension '$extension', can't verify\n" );
+				return true;
+			} else {
+				wfDebug( "$fname: rejecting file with unknown detected mime type; recognized extension '$extension', so probably invalid file\n" );
+				return false;
+			}
+
+		$match= $magic->isMatchingExtension($extension,$mime);
+
+		if ($match===NULL) {
+			wfDebug( "$fname: no file extension known for mime type $mime, passing file\n" );
+			return true;
+		} elseif ($match===true) {
+			wfDebug( "$fname: mime type $mime matches extension $extension, passing file\n" );
+
+			#TODO: if it's a bitmap, make sure PHP or ImageMagic resp. can handle it!
+			return true;
+
+		} else {
+			wfDebug( "$fname: mime type $mime mismatches file extension $extension, rejecting file\n" );
+			return false;
+		}
+	}
+
+	/** Heuristig for detecting files that *could* contain JavaScript instructions or
+	* things that may look like HTML to a browser and are thus
+	* potentially harmful. The present implementation will produce false positives in some situations.
+	*
+	* @param string $file Pathname to the temporary upload file
+	* @param string $mime The mime type of the file
+	* @param string $extension The extension of the file
+	* @return bool true if the file contains something looking like embedded scripts
+	*/
+	function detectScript($file, $mime, $extension) {
+		global $wgAllowTitlesInSVG;
+
+		#ugly hack: for text files, always look at the entire file.
+		#For binarie field, just check the first K.
+
+		if (strpos($mime,'text/')===0) $chunk = file_get_contents( $file );
+		else {
+			$fp = fopen( $file, 'rb' );
+			$chunk = fread( $fp, 1024 );
+			fclose( $fp );
+		}
+
+		$chunk= strtolower( $chunk );
+
+		if (!$chunk) return false;
+
+		#decode from UTF-16 if needed (could be used for obfuscation).
+		if (substr($chunk,0,2)=="\xfe\xff") $enc= "UTF-16BE";
+		elseif (substr($chunk,0,2)=="\xff\xfe") $enc= "UTF-16LE";
+		else $enc= NULL;
+
+		if ($enc) $chunk= iconv($enc,"ASCII//IGNORE",$chunk);
+
+		$chunk= trim($chunk);
+
+		#FIXME: convert from UTF-16 if necessarry!
+
+		wfDebug("SpecialUpload::detectScript: checking for embedded scripts and HTML stuff\n");
+
+		#check for HTML doctype
+		if (eregi("<!DOCTYPE *X?HTML",$chunk)) return true;
+
+		/**
+		* Internet Explorer for Windows performs some really stupid file type
+		* autodetection which can cause it to interpret valid image files as HTML
+		* and potentially execute JavaScript, creating a cross-site scripting
+		* attack vectors.
+		*
+		* Apple's Safari browser also performs some unsafe file type autodetection
+		* which can cause legitimate files to be interpreted as HTML if the
+		* web server is not correctly configured to send the right content-type
+		* (or if you're really uploading plain text and octet streams!)
+		*
+		* Returns true if IE is likely to mistake the given file for HTML.
+		* Also returns true if Safari would mistake the given file for HTML
+		* when served with a generic content-type.
+		*/
+
+		$tags = array(
+			'<body',
+			'<head',
+			'<html',   #also in safari
+			'<img',
+			'<pre',
+			'<script', #also in safari
+			'<table'
+			);
+		if( ! $wgAllowTitlesInSVG && $extension !== 'svg' && $mime !== 'image/svg' ) {
+			$tags[] = '<title';
+		}
+
+		foreach( $tags as $tag ) {
+			if( false !== strpos( $chunk, $tag ) ) {
+				return true;
+			}
+		}
+
+		/*
+		* look for javascript
+		*/
+
+		#resolve entity-refs to look at attributes. may be harsh on big files... cache result?
+		$chunk = Sanitizer::decodeCharReferences( $chunk );
+
+		#look for script-types
+		if (preg_match("!type\s*=\s*['\"]?\s*(\w*/)?(ecma|java)!sim",$chunk)) return true;
+
+		#look for html-style script-urls
+		if (preg_match("!(href|src|data)\s*=\s*['\"]?\s*(ecma|java)script:!sim",$chunk)) return true;
+
+		#look for css-style script-urls
+		if (preg_match("!url\s*\(\s*['\"]?\s*(ecma|java)script:!sim",$chunk)) return true;
+
+		wfDebug("SpecialUpload::detectScript: no scripts found\n");
+		return false;
+	}
+
+	/** Generic wrapper function for a virus scanner program.
+	* This relies on the $wgAntivirus and $wgAntivirusSetup variables.
+	* $wgAntivirusRequired may be used to deny upload if the scan fails.
+	*
+	* @param string $file Pathname to the temporary upload file
+	* @return mixed false if not virus is found, NULL if the scan fails or is disabled,
+	*         or a string containing feedback from the virus scanner if a virus was found.
+	*         If textual feedback is missing but a virus was found, this function returns true.
+	*/
+	function detectVirus($file) {
+		global $wgAntivirus, $wgAntivirusSetup, $wgAntivirusRequired, $wgOut;
+
+		$fname= "SpecialUpload::detectVirus";
+
+		if (!$wgAntivirus) { #disabled?
+			wfDebug("$fname: virus scanner disabled\n");
+
+			return NULL;
+		}
+
+		if (!$wgAntivirusSetup[$wgAntivirus]) {
+			wfDebug("$fname: unknown virus scanner: $wgAntivirus\n");
+
+			$wgOut->addHTML( "<div class='error'>Bad configuration: unknown virus scanner: <i>$wgAntivirus</i></div>\n" ); #LOCALIZE
+
+			return "unknown antivirus: $wgAntivirus";
+		}
+
+		#look up scanner configuration
+		$virus_scanner= $wgAntivirusSetup[$wgAntivirus]["command"]; #command pattern
+		$virus_scanner_codes= $wgAntivirusSetup[$wgAntivirus]["codemap"]; #exit-code map
+		$msg_pattern= $wgAntivirusSetup[$wgAntivirus]["messagepattern"]; #message pattern
+
+		$scanner= $virus_scanner; #copy, so we can resolve the pattern
+
+		if (strpos($scanner,"%f")===false) $scanner.= " ".wfEscapeShellArg($file); #simple pattern: append file to scan
+		else $scanner= str_replace("%f",wfEscapeShellArg($file),$scanner); #complex pattern: replace "%f" with file to scan
+
+		wfDebug("$fname: running virus scan: $scanner \n");
+
+		#execute virus scanner
+		$code= false;
+
+		#NOTE: there's a 50 line workaround to make stderr redirection work on windows, too.
+		#      that does not seem to be worth the pain.
+		#      Ask me (Duesentrieb) about it if it's ever needed.
+		if (wfIsWindows()) exec("$scanner",$output,$code);
+		else exec("$scanner 2>&1",$output,$code);
+
+		$exit_code= $code; #remeber for user feedback
+
+		if ($virus_scanner_codes) { #map exit code to AV_xxx constants.
+			if (isset($virus_scanner_codes[$code])) $code= $virus_scanner_codes[$code]; #explicite mapping
+			else if (isset($virus_scanner_codes["*"])) $code= $virus_scanner_codes["*"]; #fallback mapping
+		}
+
+		if ($code===AV_SCAN_FAILED) { #scan failed (code was mapped to false by $virus_scanner_codes)
+			wfDebug("$fname: failed to scan $file (code $exit_code).\n");
+
+			if ($wgAntivirusRequired) return "scan failed (code $exit_code)";
+			else return NULL;
+		}
+		else if ($code===AV_SCAN_ABORTED) { #scan failed because filetype is unknown (probably imune)
+			wfDebug("$fname: unsupported file type $file (code $exit_code).\n");
+			return NULL;
+		}
+		else if ($code===AV_NO_VIRUS) {
+			wfDebug("$fname: file passed virus scan.\n");
+			return false; #no virus found
+		}
+		else {
+			$output= join("\n",$output);
+			$output= trim($output);
+
+			if (!$output) $output= true; #if ther's no output, return true
+			else if ($msg_pattern) {
+				$groups= array();
+				if (preg_match($msg_pattern,$output,$groups)) {
+					if ($groups[1]) $output= $groups[1];
+				}
+			}
+
+			wfDebug("$fname: FOUND VIRUS! scanner feedback: $output");
+			return $output;
+		}
+	}
+
+	/**
+	 * Check if the temporary file is MacBinary-encoded, as some uploads
+	 * from Internet Explorer on Mac OS Classic and Mac OS X will be.
+	 * If so, the data fork will be extracted to a second temporary file,
+	 * which will then be checked for validity and either kept or discarded.
+	 *
+	 * @access private
+	 */
+	function checkMacBinary() {
+		$macbin = new MacBinary( $this->mUploadTempName );
+		if( $macbin->isValid() ) {
+			$dataFile = tempnam( wfTempDir(), "WikiMacBinary" );
+			$dataHandle = fopen( $dataFile, 'wb' );
+
+			wfDebug( "SpecialUpload::checkMacBinary: Extracting MacBinary data fork to $dataFile\n" );
+			$macbin->extractData( $dataHandle );
+
+			$this->mUploadTempName = $dataFile;
+			$this->mUploadSize = $macbin->dataForkLength();
+
+			// We'll have to manually remove the new file if it's not kept.
+			$this->mRemoveTempFile = true;
+		}
+		$macbin->close();
+	}
+
+	/**
+	 * If we've modified the upload file we need to manually remove it
+	 * on exit to clean up.
+	 * @access private
+	 */
+	function cleanupTempFile() {
+		if( $this->mRemoveTempFile && file_exists( $this->mUploadTempName ) ) {
+			wfDebug( "SpecialUpload::cleanupTempFile: Removing temporary file $this->mUploadTempName\n" );
+			unlink( $this->mUploadTempName );
+		}
+	}
+
+	/**
+	 * Check if there's an overwrite conflict and, if so, if restrictions
+	 * forbid this user from performing the upload.
+	 *
+	 * @return mixed true on success, WikiError on failure
+	 * @access private
+	 */
+	function checkOverwrite( $name ) {
+		$img = Image::newFromName( $name );
+		if( is_null( $img ) ) {
+			// Uh... this shouldn't happen ;)
+			// But if it does, fall through to previous behavior
+			return false;
+		}
+
+		$error = '';
+		if( $img->exists() ) {
+			global $wgUser, $wgOut;
+			if( $img->isLocal() ) {
+				if( !$wgUser->isAllowed( 'reupload' ) ) {
+					$error = 'fileexists-forbidden';
+				}
+			} else {
+				if( !$wgUser->isAllowed( 'reupload' ) ||
+				    !$wgUser->isAllowed( 'reupload-shared' ) ) {
+					$error = "fileexists-shared-forbidden";
+				}
+			}
+		}
+
+		if( $error ) {
+			$errorText = wfMsg( $error, wfEscapeWikiText( $img->getName() ) );
+			return new WikiError( $wgOut->parse( $errorText ) );
+		}
+
+		// Rockin', go ahead and upload
+		return true;
+	}
+
+}
+?>
diff --git a/includes/SpecialUploadMogile.php b/includes/SpecialUploadMogile.php
new file mode 100644
index 00000000..51a6dd28
--- /dev/null
+++ b/includes/SpecialUploadMogile.php
@@ -0,0 +1,135 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once( 'SpecialUpload.php' );
+require_once( 'MogileFS.php' );
+
+/**
+ * Entry point
+ */
+function wfSpecialUploadMogile() {
+	global $wgRequest;
+	$form = new UploadFormMogile( $wgRequest );
+	$form->execute();
+}
+
+/** @package MediaWiki */
+class UploadFormMogile extends UploadForm {
+	/**
+	 * Move the uploaded file from its temporary location to the final
+	 * destination. If a previous version of the file exists, move
+	 * it into the archive subdirectory.
+	 *
+	 * @todo If the later save fails, we may have disappeared the original file.
+	 *
+	 * @param string $saveName
+	 * @param string $tempName full path to the temporary file
+	 * @param bool $useRename  Not used in this implementation
+	 */
+	function saveUploadedFile( $saveName, $tempName, $useRename = false ) {
+		global $wgOut;
+		$mfs = MogileFS::NewMogileFS();
+
+		$this->mSavedFile = "image!{$saveName}";
+
+		if( $mfs->getPaths( $this->mSavedFile )) {
+			$this->mUploadOldVersion = gmdate( 'YmdHis' ) . "!{$saveName}";
+			if( !$mfs->rename( $this->mSavedFile, "archive!{$this->mUploadOldVersion}" ) ) {
+				$wgOut->showFileRenameError( $this->mSavedFile,
+				  "archive!{$this->mUploadOldVersion}" );
+				return false;
+			}
+		} else {
+			$this->mUploadOldVersion = '';
+		}
+
+		if ( $this->mStashed ) {
+			if (!$mfs->rename($tempName,$this->mSavedFile)) {
+				$wgOut->showFileRenameError($tempName, $this->mSavedFile );
+				return false;
+			}
+		} else {
+			if ( !$mfs->saveFile($this->mSavedFile,'normal',$tempName )) {
+				$wgOut->showFileCopyError( $tempName, $this->mSavedFile );
+				return false;
+			}
+			unlink($tempName);
+		}
+		return true;
+	}
+
+	/**
+	 * Stash a file in a temporary directory for later processing
+	 * after the user has confirmed it.
+	 *
+	 * If the user doesn't explicitly cancel or accept, these files
+	 * can accumulate in the temp directory.
+	 *
+	 * @param string $saveName - the destination filename
+	 * @param string $tempName - the source temporary file to save
+	 * @return string - full path the stashed file, or false on failure
+	 * @access private
+	 */
+	function saveTempUploadedFile( $saveName, $tempName ) {
+		global $wgOut;
+
+		$stash = 'stash!' . gmdate( "YmdHis" ) . '!' . $saveName;
+		$mfs = MogileFS::NewMogileFS();
+		if ( !$mfs->saveFile( $stash, 'normal', $tempName ) ) {
+			$wgOut->showFileCopyError( $tempName, $stash );
+			return false;
+		}
+		unlink($tempName);
+		return $stash;
+	}
+
+	/**
+	 * Stash a file in a temporary directory for later processing,
+	 * and save the necessary descriptive info into the session.
+	 * Returns a key value which will be passed through a form
+	 * to pick up the path info on a later invocation.
+	 *
+	 * @return int
+	 * @access private
+	 */
+	function stashSession() {
+		$stash = $this->saveTempUploadedFile(
+			$this->mUploadSaveName, $this->mUploadTempName );
+
+		if( !$stash ) {
+			# Couldn't save the file.
+			return false;
+		}
+
+		$key = mt_rand( 0, 0x7fffffff );
+		$_SESSION['wsUploadData'][$key] = array(
+			'mUploadTempName' => $stash,
+			'mUploadSize'     => $this->mUploadSize,
+			'mOname'          => $this->mOname );
+		return $key;
+	}
+
+	/**
+	 * Remove a temporarily kept file stashed by saveTempUploadedFile().
+	 * @access private
+	 * @return success
+	 */
+	function unsaveUploadedFile() {
+		global $wgOut;
+		$mfs = MogileFS::NewMogileFS();
+		if ( ! $mfs->delete( $this->mUploadTempName ) ) {
+			$wgOut->showFileDeleteError( $this->mUploadTempName );
+			return false;
+		} else {
+			return true;
+		}
+	}
+}
+?>
diff --git a/includes/SpecialUserlogin.php b/includes/SpecialUserlogin.php
new file mode 100644
index 00000000..4ee35b1b
--- /dev/null
+++ b/includes/SpecialUserlogin.php
@@ -0,0 +1,671 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * constructor
+ */
+function wfSpecialUserlogin() {
+	global $wgCommandLineMode;
+	global $wgRequest;
+	if( !$wgCommandLineMode && !isset( $_COOKIE[session_name()] )  ) {
+		User::SetupSession();
+	}
+
+	$form = new LoginForm( $wgRequest );
+	$form->execute();
+}
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class LoginForm {
+	var $mName, $mPassword, $mRetype, $mReturnTo, $mCookieCheck, $mPosted;
+	var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
+	var $mLoginattempt, $mRemember, $mEmail, $mDomain, $mLanguage;
+
+	/**
+	 * Constructor
+	 * @param webrequest $request A webrequest object passed by reference
+	 */
+	function LoginForm( &$request ) {
+		global $wgLang, $wgAllowRealName, $wgEnableEmail;
+		global $wgAuth;
+
+		$this->mType = $request->getText( 'type' );
+		$this->mName = $request->getText( 'wpName' );
+		$this->mPassword = $request->getText( 'wpPassword' );
+		$this->mRetype = $request->getText( 'wpRetype' );
+		$this->mDomain = $request->getText( 'wpDomain' );
+		$this->mReturnTo = $request->getVal( 'returnto' );
+		$this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
+		$this->mPosted = $request->wasPosted();
+		$this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
+		$this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
+		                            && $wgEnableEmail;
+		$this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
+		                         && $wgEnableEmail;
+		$this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
+		$this->mAction = $request->getVal( 'action' );
+		$this->mRemember = $request->getCheck( 'wpRemember' );
+		$this->mLanguage = $request->getText( 'uselang' );
+
+		if( $wgEnableEmail ) {
+			$this->mEmail = $request->getText( 'wpEmail' );
+		} else {
+			$this->mEmail = '';
+		}
+		if( $wgAllowRealName ) {
+		    $this->mRealName = $request->getText( 'wpRealName' );
+		} else {
+		    $this->mRealName = '';
+		}
+
+		if( !$wgAuth->validDomain( $this->mDomain ) ) {
+			$this->mDomain = 'invaliddomain';
+		}
+		$wgAuth->setDomain( $this->mDomain );
+
+		# When switching accounts, it sucks to get automatically logged out
+		if( $this->mReturnTo == $wgLang->specialPage( 'Userlogout' ) ) {
+			$this->mReturnTo = '';
+		}
+	}
+
+	function execute() {
+		if ( !is_null( $this->mCookieCheck ) ) {
+			$this->onCookieRedirectCheck( $this->mCookieCheck );
+			return;
+		} else if( $this->mPosted ) {
+			if( $this->mCreateaccount ) {
+				return $this->addNewAccount();
+			} else if ( $this->mCreateaccountMail ) {
+				return $this->addNewAccountMailPassword();
+			} else if ( $this->mMailmypassword ) {
+				return $this->mailPassword();
+			} else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
+				return $this->processLogin();
+			}
+		}
+		$this->mainLoginForm( '' );
+	}
+
+	/**
+	 * @private
+	 */
+	function addNewAccountMailPassword() {
+		global $wgOut;
+
+		if ('' == $this->mEmail) {
+			$this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
+			return;
+		}
+
+		$u = $this->addNewaccountInternal();
+
+		if ($u == NULL) {
+			return;
+		}
+
+		$u->saveSettings();
+		$result = $this->mailPasswordInternal($u);
+
+		wfRunHooks( 'AddNewAccount', array( $u ) );
+
+		$wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->setArticleRelated( false );
+
+		if( WikiError::isError( $result ) ) {
+			$this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
+		} else {
+			$wgOut->addWikiText( wfMsg( 'accmailtext', $u->getName(), $u->getEmail() ) );
+			$wgOut->returnToMain( false );
+		}
+		$u = 0;
+	}
+
+
+	/**
+	 * @private
+	 */
+	function addNewAccount() {
+		global $wgUser, $wgEmailAuthentication;
+		
+		# Create the account and abort if there's a problem doing so
+		$u = $this->addNewAccountInternal();
+		if( $u == NULL )
+			return;
+			
+		# If we showed up language selection links, and one was in use, be
+		# smart (and sensible) and save that language as the user's preference
+		global $wgLoginLanguageSelector;
+		if( $wgLoginLanguageSelector && $this->mLanguage )
+			$u->setOption( 'language', $this->mLanguage );
+		
+		# Save user settings and send out an email authentication message if needed
+		$u->saveSettings();
+		if( $wgEmailAuthentication && User::isValidEmailAddr( $u->getEmail() ) )
+			$u->sendConfirmationMail();
+			
+		# If not logged in, assume the new account as the current one and set session cookies
+		# then show a "welcome" message or a "need cookies" message as needed
+		if( $wgUser->isAnon() ) {
+			$wgUser = $u;
+			$wgUser->setCookies();
+			wfRunHooks( 'AddNewAccount', array( $wgUser ) );
+			if( $this->hasSessionCookie() ) {
+				return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ), false );
+			} else {
+				return $this->cookieRedirectCheck( 'new' );
+			}
+		} else {
+			# Confirm that the account was created
+			global $wgOut;
+			$skin = $wgUser->getSkin();
+			$self = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+			$wgOut->setPageTitle( wfMsgHtml( 'accountcreated' ) );
+			$wgOut->setArticleRelated( false );
+			$wgOut->setRobotPolicy( 'noindex,nofollow' );
+			$wgOut->addHtml( wfMsgWikiHtml( 'accountcreatedtext', $u->getName() ) );
+			$wgOut->returnToMain( $self->getPrefixedText() );
+			wfRunHooks( 'AddNewAccount', array( $u ) );
+			return true;
+		}
+	}
+
+	/**
+	 * @private
+	 */
+	function addNewAccountInternal() {
+		global $wgUser, $wgOut;
+		global $wgEnableSorbs, $wgProxyWhitelist;
+		global $wgMemc, $wgAccountCreationThrottle, $wgDBname;
+		global $wgAuth, $wgMinimalPasswordLength, $wgReservedUsernames;
+
+		// If the user passes an invalid domain, something is fishy
+		if( !$wgAuth->validDomain( $this->mDomain ) ) {
+			$this->mainLoginForm( wfMsg( 'wrongpassword' ) );
+			return false;
+		}
+
+		// If we are not allowing users to login locally, we should
+		// be checking to see if the user is actually able to
+		// authenticate to the authentication server before they
+		// create an account (otherwise, they can create a local account
+		// and login as any domain user). We only need to check this for
+		// domains that aren't local.
+		if( 'local' != $this->mDomain && '' != $this->mDomain ) {
+			if( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
+				$this->mainLoginForm( wfMsg( 'wrongpassword' ) );
+				return false;
+			}
+		}
+
+		if ( wfReadOnly() ) {
+			$wgOut->readOnlyPage();
+			return false;
+		}
+
+		if (!$wgUser->isAllowedToCreateAccount()) {
+			$this->userNotPrivilegedMessage();
+			return false;
+		}
+
+		$ip = wfGetIP();
+		if ( $wgEnableSorbs && !in_array( $ip, $wgProxyWhitelist ) &&
+		  $wgUser->inSorbsBlacklist( $ip ) )
+		{
+			$this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $ip ) . ')' );
+			return;
+		}
+
+		$name = trim( $this->mName );
+		$u = User::newFromName( $name );
+		if ( is_null( $u ) || in_array( $u->getName(), $wgReservedUsernames ) ) {
+			$this->mainLoginForm( wfMsg( 'noname' ) );
+			return false;
+		}
+
+		if ( 0 != $u->idForName() ) {
+			$this->mainLoginForm( wfMsg( 'userexists' ) );
+			return false;
+		}
+
+		if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
+			$this->mainLoginForm( wfMsg( 'badretype' ) );
+			return false;
+		}
+
+		if ( !$wgUser->isValidPassword( $this->mPassword ) ) {
+			$this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
+			return false;
+		}
+
+		if ( $wgAccountCreationThrottle ) {
+			$key = $wgDBname.':acctcreate:ip:'.$ip;
+			$value = $wgMemc->incr( $key );
+			if ( !$value ) {
+				$wgMemc->set( $key, 1, 86400 );
+			}
+			if ( $value > $wgAccountCreationThrottle ) {
+				$this->throttleHit( $wgAccountCreationThrottle );
+				return false;
+			}
+		}
+
+		$abortError = '';
+		if( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError ) ) ) {
+			// Hook point to add extra creation throttles and blocks
+			wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
+			$this->mainLoginForm( $abortError );
+			return false;
+		}
+
+		if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
+			$this->mainLoginForm( wfMsg( 'externaldberror' ) );
+			return false;
+		}
+
+		# Update user count
+		$ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
+		$ssUpdate->doUpdate();
+
+		return $this->initUser( $u );
+	}
+
+	/**
+	 * Actually add a user to the database.
+	 * Give it a User object that has been initialised with a name.
+	 *
+	 * @param $u User object.
+	 * @return User object.
+	 * @private
+	 */
+	function &initUser( &$u ) {
+		$u->addToDatabase();
+		$u->setPassword( $this->mPassword );
+		$u->setEmail( $this->mEmail );
+		$u->setRealName( $this->mRealName );
+		$u->setToken();
+
+		global $wgAuth;
+		$wgAuth->initUser( $u );
+
+		$u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
+
+		return $u;
+	}
+
+	/**
+	 * @private
+	 */
+	function processLogin() {
+		global $wgUser, $wgAuth, $wgReservedUsernames;
+
+		if ( '' == $this->mName ) {
+			$this->mainLoginForm( wfMsg( 'noname' ) );
+			return;
+		}
+		$u = User::newFromName( $this->mName );
+		if( is_null( $u ) || in_array( $u->getName(), $wgReservedUsernames ) ) {
+			$this->mainLoginForm( wfMsg( 'noname' ) );
+			return;
+		}
+		if ( 0 == $u->getID() ) {
+			global $wgAuth;
+			/**
+			 * If the external authentication plugin allows it,
+			 * automatically create a new account for users that
+			 * are externally defined but have not yet logged in.
+			 */
+			if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
+				if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
+					$u =& $this->initUser( $u );
+				} else {
+					$this->mainLoginForm( wfMsg( 'wrongpassword' ) );
+					return;
+				}
+			} else {
+				$this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
+				return;
+			}
+		} else {
+			$u->loadFromDatabase();
+		}
+
+		if (!$u->checkPassword( $this->mPassword )) {
+			$this->mainLoginForm( wfMsg( $this->mPassword == '' ? 'wrongpasswordempty' : 'wrongpassword' ) );
+			return;
+		}
+
+		# We've verified now, update the real record
+		#
+		if ( $this->mRemember ) {
+			$r = 1;
+		} else {
+			$r = 0;
+		}
+		$u->setOption( 'rememberpassword', $r );
+
+		$wgAuth->updateUser( $u );
+
+		$wgUser = $u;
+		$wgUser->setCookies();
+
+		$wgUser->saveSettings();
+
+		if( $this->hasSessionCookie() ) {
+			return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
+		} else {
+			return $this->cookieRedirectCheck( 'login' );
+		}
+	}
+
+	/**
+	 * @private
+	 */
+	function mailPassword() {
+		global $wgUser, $wgOut;
+		
+		# Check against the rate limiter
+		if( $wgUser->pingLimiter( 'mailpassword' ) ) {
+			$wgOut->rateLimited();
+			return;
+		}
+	
+		if ( '' == $this->mName ) {
+			$this->mainLoginForm( wfMsg( 'noname' ) );
+			return;
+		}
+		$u = User::newFromName( $this->mName );
+		if( is_null( $u ) ) {
+			$this->mainLoginForm( wfMsg( 'noname' ) );
+			return;
+		}
+		if ( 0 == $u->getID() ) {
+			$this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
+			return;
+		}
+
+		$u->loadFromDatabase();
+
+		$result = $this->mailPasswordInternal( $u );
+		if( WikiError::isError( $result ) ) {
+			$this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
+		} else {
+			$this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ), 'success' );
+		}
+	}
+
+
+	/**
+	 * @return mixed true on success, WikiError on failure
+	 * @private
+	 */
+	function mailPasswordInternal( $u ) {
+		global $wgCookiePath, $wgCookieDomain, $wgCookiePrefix, $wgCookieSecure;
+		global $wgServer, $wgScript;
+
+		if ( '' == $u->getEmail() ) {
+			return wfMsg( 'noemail', $u->getName() );
+		}
+
+		$np = $u->randomPassword();
+		$u->setNewpassword( $np );
+
+		setcookie( "{$wgCookiePrefix}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+
+		$u->saveSettings();
+
+		$ip = wfGetIP();
+		if ( '' == $ip ) { $ip = '(Unknown)'; }
+
+		$m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np, $wgServer . $wgScript );
+
+		$result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
+		return $result;
+	}
+
+
+	/**
+	 * @param string $msg Message that will be shown on success
+	 * @param bool $auto Toggle auto-redirect to main page; default true
+	 * @private
+	 */
+	function successfulLogin( $msg, $auto = true ) {
+		global $wgUser;
+		global $wgOut;
+
+		# Run any hooks; ignore results
+
+		wfRunHooks('UserLoginComplete', array(&$wgUser));
+
+		$wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->setArticleRelated( false );
+		$wgOut->addWikiText( $msg );
+		if ( !empty( $this->mReturnTo ) ) {
+			$wgOut->returnToMain( $auto, $this->mReturnTo );
+		} else {
+			$wgOut->returnToMain( $auto );
+		}
+	}
+
+	/** */
+	function userNotPrivilegedMessage() {
+		global $wgOut;
+
+		$wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->setArticleRelated( false );
+
+		$wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
+
+		$wgOut->returnToMain( false );
+	}
+
+	/**
+	 * @private
+	 */
+	function mainLoginForm( $msg, $msgtype = 'error' ) {
+		global $wgUser, $wgOut, $wgAllowRealName, $wgEnableEmail;
+		global $wgCookiePrefix, $wgAuth, $wgLoginLanguageSelector;
+
+		if ( $this->mType == 'signup' && !$wgUser->isAllowedToCreateAccount() ) {
+			$this->userNotPrivilegedMessage();
+			return;
+		}
+
+		if ( '' == $this->mName ) {
+			if ( $wgUser->isLoggedIn() ) {
+				$this->mName = $wgUser->getName();
+			} else {
+				$this->mName = @$_COOKIE[$wgCookiePrefix.'UserName'];
+			}
+		}
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+
+		require_once( 'SkinTemplate.php' );
+		require_once( 'templates/Userlogin.php' );
+
+		if ( $this->mType == 'signup' ) {
+			$template =& new UsercreateTemplate();
+			$q = 'action=submitlogin&type=signup';
+			$linkq = 'type=login';
+			$linkmsg = 'gotaccount';
+		} else {
+			$template =& new UserloginTemplate();
+			$q = 'action=submitlogin&type=login';
+			$linkq = 'type=signup';
+			$linkmsg = 'nologin';
+		}
+
+		if ( !empty( $this->mReturnTo ) ) {
+			$returnto = '&returnto=' . wfUrlencode( $this->mReturnTo );
+			$q .= $returnto;
+			$linkq .= $returnto;
+		}
+		
+		# Pass any language selection on to the mode switch link
+		if( $wgLoginLanguageSelector && $this->mLanguage )
+			$linkq .= '&uselang=' . $this->mLanguage;
+
+		$link = '<a href="' . htmlspecialchars ( $titleObj->getLocalUrl( $linkq ) ) . '">';
+		$link .= wfMsgHtml( $linkmsg . 'link' );
+		$link .= '</a>';
+
+		# Don't show a "create account" link if the user can't
+		if( $this->showCreateOrLoginLink( $wgUser ) )
+			$template->set( 'link', wfMsgHtml( $linkmsg, $link ) );
+		else
+			$template->set( 'link', '' );
+		
+		$template->set( 'header', '' );
+		$template->set( 'name', $this->mName );
+		$template->set( 'password', $this->mPassword );
+		$template->set( 'retype', $this->mRetype );
+		$template->set( 'email', $this->mEmail );
+		$template->set( 'realname', $this->mRealName );
+		$template->set( 'domain', $this->mDomain );
+
+		$template->set( 'action', $titleObj->getLocalUrl( $q ) );
+		$template->set( 'message', $msg );
+		$template->set( 'messagetype', $msgtype );
+		$template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
+		$template->set( 'userealname', $wgAllowRealName );
+		$template->set( 'useemail', $wgEnableEmail );
+		$template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
+				
+		# Prepare language selection links as needed
+		if( $wgLoginLanguageSelector ) {
+			$template->set( 'languages', $this->makeLanguageSelector() );
+			if( $this->mLanguage )
+				$template->set( 'uselang', $this->mLanguage );
+		}
+		
+		// Give authentication and captcha plugins a chance to modify the form
+		$wgAuth->modifyUITemplate( $template );
+		if ( $this->mType == 'signup' ) {
+			wfRunHooks( 'UserCreateForm', array( &$template ) );
+		} else {
+			wfRunHooks( 'UserLoginForm', array( &$template ) );
+		}
+
+		$wgOut->setPageTitle( wfMsg( 'userlogin' ) );
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->setArticleRelated( false );
+		$wgOut->addTemplate( $template );
+	}
+	
+	/**
+	 * @private
+	 */
+	function showCreateOrLoginLink( &$user ) {
+		if( $this->mType == 'signup' ) {
+			return( true );
+		} elseif( $user->isAllowedToCreateAccount() ) {
+			return( true );
+		} else {
+			return( false );
+		}
+	}
+
+	/**
+	 * @private
+	 */
+	function hasSessionCookie() {
+		global $wgDisableCookieCheck;
+		return ( $wgDisableCookieCheck ) ? true : ( isset( $_COOKIE[session_name()] ) );
+	}
+
+	/**
+	 * @private
+	 */
+	function cookieRedirectCheck( $type ) {
+		global $wgOut;
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+		$check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
+
+		return $wgOut->redirect( $check );
+	}
+
+	/**
+	 * @private
+	 */
+	function onCookieRedirectCheck( $type ) {
+		global $wgUser;
+
+		if ( !$this->hasSessionCookie() ) {
+			if ( $type == 'new' ) {
+				return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
+			} else if ( $type == 'login' ) {
+				return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
+			} else {
+				# shouldn't happen
+				return $this->mainLoginForm( wfMsg( 'error' ) );
+			}
+		} else {
+			return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
+		}
+	}
+
+	/**
+	 * @private
+	 */
+	function throttleHit( $limit ) {
+		global $wgOut;
+
+		$wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
+	}
+	
+	/**
+	 * Produce a bar of links which allow the user to select another language
+	 * during login/registration but retain "returnto"
+	 *
+	 * @return string
+	 */
+	function makeLanguageSelector() {
+		$msg = wfMsgForContent( 'loginlanguagelinks' );
+		if( $msg != '' && $msg != '&lt;loginlanguagelinks&gt;' ) {
+			$langs = explode( "\n", $msg );
+			$links = array();
+			foreach( $langs as $lang ) {
+				$lang = trim( $lang, '* ' );
+				$parts = explode( '|', $lang );
+				$links[] = $this->makeLanguageSelectorLink( $parts[0], $parts[1] );
+			}
+			return count( $links ) > 0 ? wfMsgHtml( 'loginlanguagelabel', implode( ' | ', $links ) ) : '';
+		} else {
+			return '';
+		}
+	}
+	
+	/**
+	 * Create a language selector link for a particular language
+	 * Links back to this page preserving type and returnto
+	 *
+	 * @param $text Link text
+	 * @param $lang Language code
+	 */
+	function makeLanguageSelectorLink( $text, $lang ) {
+		global $wgUser;
+		$self = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
+		$attr[] = 'uselang=' . $lang;
+		if( $this->mType == 'signup' )
+			$attr[] = 'type=signup';
+		if( $this->mReturnTo )
+			$attr[] = 'returnto=' . $this->mReturnTo;
+		$skin =& $wgUser->getSkin();
+		return $skin->makeKnownLinkObj( $self, htmlspecialchars( $text ), implode( '&', $attr ) );
+	}
+	
+}
+?>
diff --git a/includes/SpecialUserlogout.php b/includes/SpecialUserlogout.php
new file mode 100644
index 00000000..f3fcbc4f
--- /dev/null
+++ b/includes/SpecialUserlogout.php
@@ -0,0 +1,27 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * constructor
+ */
+function wfSpecialUserlogout() {
+	global $wgUser, $wgOut;
+
+	if (wfRunHooks('UserLogout', array(&$wgUser))) {
+
+		$wgUser->logout();
+
+		wfRunHooks('UserLogoutComplete', array(&$wgUser));
+
+		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->addHTML( wfMsgExt( 'logouttext', array( 'parse' ) ) );
+		$wgOut->returnToMain();
+
+	}
+}
+
+?>
diff --git a/includes/SpecialUserrights.php b/includes/SpecialUserrights.php
new file mode 100644
index 00000000..8f43092c
--- /dev/null
+++ b/includes/SpecialUserrights.php
@@ -0,0 +1,183 @@
+<?php
+/**
+ * Provide an administration interface
+ * DO NOT USE: INSECURE.
+ *
+ * TODO : remove everything related to group editing (SpecialGrouplevels.php)
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/** */
+require_once('HTMLForm.php');
+
+/** Entry point */
+function wfSpecialUserrights() {
+	global $wgRequest;
+	$form = new UserrightsForm($wgRequest);
+	$form->execute();
+}
+
+/**
+ * A class to manage user levels rights.
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UserrightsForm extends HTMLForm {
+	var $mPosted, $mRequest, $mSaveprefs;
+	/** Escaped local url name*/
+	var $action;
+
+	/** Constructor*/
+	function UserrightsForm ( &$request ) {
+		$this->mPosted = $request->wasPosted();
+		$this->mRequest =& $request;
+		$this->mName = 'userrights';
+
+		$titleObj = Title::makeTitle( NS_SPECIAL, 'Userrights' );
+		$this->action = $titleObj->escapeLocalURL();
+	}
+
+	/**
+	 * Manage forms to be shown according to posted data.
+	 * Depending on the submit button used, call a form or a save function.
+	 */
+	function execute() {
+		// show the general form
+		$this->switchForm();
+		if( $this->mPosted ) {
+			// show some more forms
+			if( $this->mRequest->getCheck( 'ssearchuser' ) ) {
+				$this->editUserGroupsForm( $this->mRequest->getVal( 'user-editname' ) );
+			}
+
+			// save settings
+			if( $this->mRequest->getCheck( 'saveusergroups' ) ) {
+				global $wgUser;
+				$username = $this->mRequest->getVal( 'user-editname' );
+				if( $wgUser->matchEditToken( $this->mRequest->getVal( 'wpEditToken' ), $username ) ) {
+					$this->saveUserGroups( $username,
+						$this->mRequest->getArray( 'member' ),
+						$this->mRequest->getArray( 'available' ) );
+				}
+			}
+		}
+	}
+
+	/**
+	 * Save user groups changes in the database.
+	 * Data comes from the editUserGroupsForm() form function
+	 *
+	 * @param string $username Username to apply changes to.
+	 * @param array $removegroup id of groups to be removed.
+	 * @param array $addgroup id of groups to be added.
+	 *
+	 */
+	function saveUserGroups( $username, $removegroup, $addgroup) {
+		global $wgOut;
+		$u = User::newFromName($username);
+
+		if(is_null($u)) {
+			$wgOut->addWikiText( wfMsg( 'nosuchusershort', htmlspecialchars( $username ) ) );
+			return;
+		}
+
+		if($u->getID() == 0) {
+			$wgOut->addWikiText( wfMsg( 'nosuchusershort', htmlspecialchars( $username ) ) );
+			return;
+		}
+
+		$oldGroups = $u->getGroups();
+		$newGroups = $oldGroups;
+		$logcomment = ' ';
+		// remove then add groups
+		if(isset($removegroup)) {
+			$newGroups = array_diff($newGroups, $removegroup);
+			foreach( $removegroup as $group ) {
+				$u->removeGroup( $group );
+			}
+		}
+		if(isset($addgroup)) {
+			$newGroups = array_merge($newGroups, $addgroup);
+			foreach( $addgroup as $group ) {
+				$u->addGroup( $group );
+			}
+		}
+		$newGroups = array_unique( $newGroups );
+
+		wfDebug( 'oldGroups: ' . print_r( $oldGroups, true ) );
+		wfDebug( 'newGroups: ' . print_r( $newGroups, true ) );
+
+		wfRunHooks( 'UserRights', array( &$u, $addgroup, $removegroup ) );	
+		$log = new LogPage( 'rights' );
+		$log->addEntry( 'rights', Title::makeTitle( NS_USER, $u->getName() ), '', array( $this->makeGroupNameList( $oldGroups ),
+			$this->makeGroupNameList( $newGroups ) ) );
+	}
+
+	function makeGroupNameList( $ids ) {
+		return implode( ', ', $ids );
+	}
+
+	/**
+	 * The entry form
+	 * It allows a user to look for a username and edit its groups membership
+	 */
+	function switchForm() {
+		global $wgOut;
+
+		// user selection
+		$wgOut->addHTML( "<form name=\"uluser\" action=\"$this->action\" method=\"post\">\n" );
+		$wgOut->addHTML( $this->fieldset( 'lookup-user',
+				$this->textbox( 'user-editname' ) .
+				wfElement( 'input', array(
+					'type'  => 'submit',
+					'name'  => 'ssearchuser',
+					'value' => wfMsg( 'editusergroup' ) ) )
+		));
+		$wgOut->addHTML( "</form>\n" );
+	}
+
+	/**
+	 * Edit user groups membership
+	 * @param string $username Name of the user.
+	 */
+	function editUserGroupsForm($username) {
+		global $wgOut, $wgUser;
+
+		$user = User::newFromName($username);
+		if( is_null( $user ) ) {
+			$wgOut->addWikiText( wfMsg( 'nouserspecified' ) );
+			return;
+		} elseif( $user->getID() == 0 ) {
+			$wgOut->addWikiText( wfMsg( 'nosuchusershort', wfEscapeWikiText( $username ) ) );
+			return;
+		}
+
+		$groups = $user->getGroups();
+
+		$wgOut->addHTML( "<form name=\"editGroup\" action=\"$this->action\" method=\"post\">\n".
+			wfElement( 'input', array(
+				'type'  => 'hidden',
+				'name'  => 'user-editname',
+				'value' => $username ) ) .
+			wfElement( 'input', array(
+				'type'  => 'hidden',
+				'name'  => 'wpEditToken',
+				'value' => $wgUser->editToken( $username ) ) ) .
+			$this->fieldset( 'editusergroup',
+			$wgOut->parse( wfMsg('editing', $username ) ) .
+			'<table border="0" align="center"><tr><td>'.
+			HTMLSelectGroups('member', $this->mName.'-groupsmember', $groups,true,6).
+			'</td><td>'.
+			HTMLSelectGroups('available', $this->mName.'-groupsavailable', $groups,true,6,true).
+			'</td></tr></table>'."\n".
+			$wgOut->parse( wfMsg('userrights-groupshelp') ) .
+			wfElement( 'input', array(
+				'type'  => 'submit',
+				'name'  => 'saveusergroups',
+				'value' => wfMsg( 'saveusergroups' ) ) )
+			));
+		$wgOut->addHTML( "</form>\n" );
+	}
+} // end class UserrightsForm
+?>
diff --git a/includes/SpecialVersion.php b/includes/SpecialVersion.php
new file mode 100644
index 00000000..5f7e857f
--- /dev/null
+++ b/includes/SpecialVersion.php
@@ -0,0 +1,270 @@
+<?php
+/**#@+
+ * Give information about the version of MediaWiki, PHP, the DB and extensions
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @bug 2019, 4531
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * constructor
+ */
+function wfSpecialVersion() {
+	$version = new SpecialVersion;
+	$version->execute();
+}
+
+class SpecialVersion {
+	/**
+	 * main()
+	 */
+	function execute() {
+		global $wgOut;
+
+		$wgOut->addHTML( '<div dir="ltr">' );
+		$wgOut->addWikiText(
+			$this->MediaWikiCredits() .
+			$this->extensionCredits() .
+			$this->wgHooks()
+		);
+		$wgOut->addHTML( $this->IPInfo() );
+		$wgOut->addHTML( '</div>' );
+	}
+
+	/**#@+
+	 * @private
+	 */
+
+	/**
+	 * @static
+	 */
+	function MediaWikiCredits() {
+		$version = $this->getVersion();
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		$ret =
+		"__NOTOC__
+		This wiki is powered by '''[http://www.mediawiki.org/ MediaWiki]''',
+		copyright (C) 2001-2006 Magnus Manske, Brion Vibber, Lee Daniel Crocker,
+		Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason,
+		Niklas Laxström, Domas Mituzas, Rob Church and others.
+
+		MediaWiki is free software; you can redistribute it and/or modify
+		it under the terms of the GNU General Public License as published by
+		the Free Software Foundation; either version 2 of the License, or
+		(at your option) any later version.
+
+		MediaWiki is distributed in the hope that it will be useful,
+		but WITHOUT ANY WARRANTY; without even the implied warranty of
+		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+		GNU General Public License for more details.
+
+		You should have received [{{SERVER}}{{SCRIPTPATH}}/COPYING a copy of the GNU General Public License]
+		along with this program; if not, write to the Free Software
+		Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+		or [http://www.gnu.org/copyleft/gpl.html read it online]
+
+		* [http://www.mediawiki.org/ MediaWiki]: $version
+		* [http://www.php.net/ PHP]: " . phpversion() . " (" . php_sapi_name() . ")
+		* " . $dbr->getSoftwareLink() . ": " . $dbr->getServerVersion();
+
+		return str_replace( "\t\t", '', $ret );
+	}
+	
+	function getVersion() {
+		global $wgVersion, $IP;
+		$svn = $this->getSvnRevision( $IP );
+		return $svn ? "$wgVersion (r$svn)" : $wgVersion;
+	}
+
+	function extensionCredits() {
+		global $wgExtensionCredits, $wgExtensionFunctions, $wgParser, $wgSkinExtensionFunction;
+
+		if ( ! count( $wgExtensionCredits ) && ! count( $wgExtensionFunctions ) && ! count( $wgSkinExtensionFunction ) )
+			return '';
+
+		$extensionTypes = array(
+			'specialpage' => 'Special pages',
+			'parserhook' => 'Parser hooks',
+			'variable' => 'Variables',
+			'other' => 'Other',
+		);
+		wfRunHooks( 'SpecialVersionExtensionTypes', array( &$this, &$extensionTypes ) );
+
+		$out = "\n* Extensions:\n";
+		foreach ( $extensionTypes as $type => $text ) {
+			if ( count( @$wgExtensionCredits[$type] ) ) {
+				$out .= "** $text:\n";
+
+				usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
+
+				foreach ( $wgExtensionCredits[$type] as $extension ) {
+					wfSuppressWarnings();
+					$out .= $this->formatCredits(
+						$extension['name'],
+						$extension['version'],
+						$extension['author'],
+						$extension['url'],
+						$extension['description']
+					);
+					wfRestoreWarnings();
+				}
+			}
+		}
+
+		if ( count( $wgExtensionFunctions ) ) {
+			$out .= "** Extension functions:\n";
+			$out .= '***' . $this->listToText( $wgExtensionFunctions ) . "\n";
+		}
+
+		if ( $cnt = count( $tags = $wgParser->getTags() ) ) {
+			for ( $i = 0; $i < $cnt; ++$i )
+				$tags[$i] = "&lt;{$tags[$i]}&gt;";
+			$out .= "** Parser extension tags:\n";
+			$out .= '***' . $this->listToText( $tags ). "\n";
+		}
+
+		if ( count( $wgSkinExtensionFunction ) ) {
+			$out .= "** Skin extension functions:\n";
+			$out .= '***' . $this->listToText( $wgSkinExtensionFunction ) . "\n";
+		}
+
+		return $out;
+	}
+
+	function compare( $a, $b ) {
+		if ( $a['name'] === $b['name'] )
+			return 0;
+		else
+			return LanguageUtf8::lc( $a['name'] ) > LanguageUtf8::lc( $b['name'] ) ? 1 : -1;
+	}
+
+	function formatCredits( $name, $version = null, $author = null, $url = null, $description = null) {
+		$ret = '*** ';
+		if ( isset( $url ) )
+			$ret .= "[$url ";
+		$ret .= "''$name";
+		if ( isset( $version ) )
+			$ret .= " (version $version)";
+		$ret .= "''";
+		if ( isset( $url ) )
+			$ret .= ']';
+		if ( isset( $description ) )
+			$ret .= ', ' . $description;
+		if ( isset( $description ) && isset( $author ) )
+			$ret .= ', ';
+		if ( isset( $author ) )
+			$ret .= ' by ' . $this->listToText( (array)$author );
+
+		return "$ret\n";
+	}
+
+	/**
+	 * @return string
+	 */
+	function wgHooks() {
+		global $wgHooks;
+
+		if ( count( $wgHooks ) ) {
+			$myWgHooks = $wgHooks;
+			ksort( $myWgHooks );
+			
+			$ret = "* Hooks:\n";
+			foreach ($myWgHooks as $hook => $hooks)
+				$ret .= "** $hook: " . $this->listToText( $hooks ) . "\n";
+			
+			return $ret;
+		} else
+			return '';
+	}
+
+	/**
+	 * @static
+	 *
+	 * @return string
+	 */
+	function IPInfo() {
+		$ip =  str_replace( '--', ' - ', htmlspecialchars( wfGetIP() ) );
+		return "<!-- visited from $ip -->\n" .
+			"<span style='display:none'>visited from $ip</span>";
+	}
+
+	/**
+	 * @param array $list
+	 * @return string
+	 */
+	function listToText( $list ) {
+		$cnt = count( $list );
+
+	    if ( $cnt == 1 )
+			// Enforce always returning a string
+			return (string)$this->arrayToString( $list[0] );
+	    else {
+			$t = array_slice( $list, 0, $cnt - 1 );
+			$one = array_map( array( &$this, 'arrayToString' ), $t );
+			$two = $this->arrayToString( $list[$cnt - 1] );
+			
+			return implode( ', ', $one ) . " and $two";
+	    }
+	}
+
+	/**
+	 * @static
+	 *
+	 * @param mixed $list Will convert an array to string if given and return
+	 *                    the paramater unaltered otherwise
+	 * @return mixed
+	 */
+	function arrayToString( $list ) {
+		if ( ! is_array( $list ) )
+			return $list;
+		else {
+			$class = get_class( $list[0] );
+			return "($class, {$list[1]})";
+		}
+	}
+
+	/**
+	 * Retrieve the revision number of a Subversion working directory.
+	 *
+	 * @param string $dir
+	 * @return mixed revision number as int, or false if not a SVN checkout
+	 */
+	function getSvnRevision( $dir ) {
+		if( !function_exists( 'simplexml_load_file' ) ) {
+			// We could fall back to expat... YUCK
+			return false;
+		}
+		
+		// http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
+		$entries = $dir . '/.svn/entries';
+		
+		// SimpleXml whines about the xmlns...
+		wfSuppressWarnings();
+		$xml = simplexml_load_file( $entries );
+		wfRestoreWarnings();
+		
+		if( $xml ) {
+			foreach( $xml->entry as $entry ) {
+				if( $xml->entry[0]['name'] == '' ) {
+					// The directory entry should always have a revision marker.
+					if( $entry['revision'] ) {
+						return intval( $entry['revision'] );
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+	/**#@-*/
+}
+
+/**#@-*/
+?>
diff --git a/includes/SpecialWantedcategories.php b/includes/SpecialWantedcategories.php
new file mode 100644
index 00000000..8e75953a
--- /dev/null
+++ b/includes/SpecialWantedcategories.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * A querypage to list the most wanted categories
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class WantedCategoriesPage extends QueryPage {
+
+	function getName() { return 'Wantedcategories'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'categorylinks', 'page' ) );
+		$name = $dbr->addQuotes( $this->getName() );
+		return
+			"
+			SELECT
+				$name as type,
+				" . NS_CATEGORY . " as namespace,
+				cl_to as title,
+				COUNT(*) as value
+			FROM $categorylinks
+			LEFT JOIN $page ON cl_to = page_title AND page_namespace = ". NS_CATEGORY ."
+			WHERE page_title IS NULL
+			GROUP BY cl_to
+			";
+	}
+
+	function sortDescending() { return true; }
+
+	/**
+	 * Fetch user page links and cache their existence
+	 */
+	function preprocessResults( &$db, &$res ) {
+		$batch = new LinkBatch;
+		while ( $row = $db->fetchObject( $res ) )
+			$batch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
+		$batch->execute();
+
+		// Back to start for display
+		if ( $db->numRows( $res ) > 0 )
+			// If there are no rows we get an error seeking.
+			$db->dataSeek( $res, 0 );
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getText() );
+
+		$plink = $this->isCached() ?
+			$skin->makeLinkObj( $nt, htmlspecialchars( $text ) ) :
+			$skin->makeBrokenLinkObj( $nt, htmlspecialchars( $text ) );
+
+		$nlinks = wfMsgExt( 'nmembers', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $result->value ) );
+		return wfSpecialList($plink, $nlinks);
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialWantedCategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new WantedCategoriesPage();
+
+	$wpp->doQuery( $offset, $limit );
+}
+
+?>
diff --git a/includes/SpecialWantedpages.php b/includes/SpecialWantedpages.php
new file mode 100644
index 00000000..8bbe49cb
--- /dev/null
+++ b/includes/SpecialWantedpages.php
@@ -0,0 +1,133 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class WantedPagesPage extends QueryPage {
+	var $nlinks;
+
+	function WantedPagesPage( $inc = false, $nlinks = true ) {
+		$this->setListoutput( $inc );
+		$this->nlinks = $nlinks;
+	}
+
+	function getName() {
+		return 'Wantedpages';
+	}
+
+	function isExpensive() {
+		return true;
+	}
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		global $wgWantedPagesThreshold;
+		$count = $wgWantedPagesThreshold - 1;
+		$dbr =& wfGetDB( DB_SLAVE );
+		$pagelinks = $dbr->tableName( 'pagelinks' );
+		$page      = $dbr->tableName( 'page' );
+		return
+			"SELECT 'Wantedpages' AS type,
+			        pl_namespace AS namespace,
+			        pl_title AS title,
+			        COUNT(*) AS value
+			 FROM $pagelinks
+			 LEFT JOIN $page AS pg1
+			 ON pl_namespace = pg1.page_namespace AND pl_title = pg1.page_title
+			 LEFT JOIN $page AS pg2
+			 ON pl_from = pg2.page_id
+			 WHERE pg1.page_namespace IS NULL
+			 AND pl_namespace NOT IN ( 2, 3 )
+			 AND pg2.page_namespace != 8
+			 GROUP BY pl_namespace, pl_title
+			 HAVING COUNT(*) > $count";
+	}
+
+	/**
+	 * Cache page existence for performance
+	 */
+	function preprocessResults( &$db, &$res ) {
+		$batch = new LinkBatch;
+		while ( $row = $db->fetchObject( $res ) )
+			$batch->addObj( Title::makeTitleSafe( $row->namespace, $row->title ) );
+		$batch->execute();
+
+		// Back to start for display
+		if ( $db->numRows( $res ) > 0 )
+			// If there are no rows we get an error seeking.
+			$db->dataSeek( $res, 0 );
+	}
+
+
+	function formatResult( $skin, $result ) {
+		global $wgLang;
+
+		$title = Title::makeTitleSafe( $result->namespace, $result->title );
+
+		if( $this->isCached() ) {
+			# Check existence; which is stored in the link cache
+			if( !$title->exists() ) {
+				# Make a redlink
+				$pageLink = $skin->makeBrokenLinkObj( $title );
+			} else {
+				# Make a a struck-out normal link
+				$pageLink = "<s>" . $skin->makeLinkObj( $title ) . "</s>";
+			}		
+		} else {
+			# Not cached? Don't bother checking existence; it can't
+			$pageLink = $skin->makeBrokenLinkObj( $title );
+		}
+		
+		# Make a link to "what links here" if it's required
+		$wlhLink = $this->nlinks
+					? $this->makeWlhLink( $title, $skin,
+							wfMsgExt( 'nlinks', array( 'parsemag', 'escape'),
+								$wgLang->formatNum( $result->value ) ) )
+					: null;
+					
+		return wfSpecialList($pageLink, $wlhLink);
+	}
+	
+	/**
+	 * Make a "what links here" link for a specified title
+	 * @param $title Title to make the link for
+	 * @param $skin Skin to use
+	 * @param $text Link text
+	 * @return string
+	 */
+	function makeWlhLink( &$title, &$skin, $text ) {
+		$wlhTitle = Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' );
+		return $skin->makeKnownLinkObj( $wlhTitle, $text, 'target=' . $title->getPrefixedUrl() );
+	}
+	
+}
+
+/**
+ * constructor
+ */
+function wfSpecialWantedpages( $par = null, $specialPage ) {
+	$inc = $specialPage->including();
+
+	if ( $inc ) {
+		@list( $limit, $nlinks ) = explode( '/', $par, 2 );
+		$limit = (int)$limit;
+		$nlinks = $nlinks === 'nlinks';
+		$offset = 0;
+	} else {
+		list( $limit, $offset ) = wfCheckLimits();
+		$nlinks = true;
+	}
+
+	$wpp = new WantedPagesPage( $inc, $nlinks );
+
+	$wpp->doQuery( $offset, $limit, !$inc );
+}
+
+?>
diff --git a/includes/SpecialWatchlist.php b/includes/SpecialWatchlist.php
new file mode 100644
index 00000000..5b1e2890
--- /dev/null
+++ b/includes/SpecialWatchlist.php
@@ -0,0 +1,513 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+require_once( 'SpecialRecentchanges.php' );
+
+/**
+ * Constructor
+ * @todo Document $par parameter.
+ * @param $par String: FIXME
+ */
+function wfSpecialWatchlist( $par ) {
+	global $wgUser, $wgOut, $wgLang, $wgMemc, $wgRequest, $wgContLang;
+	global $wgUseWatchlistCache, $wgWLCacheTimeout, $wgDBname;
+	global $wgRCShowWatchingUsers, $wgEnotifWatchlist, $wgShowUpdatedMarker;
+	global $wgEnotifWatchlist;
+	$fname = 'wfSpecialWatchlist';
+
+	$skin =& $wgUser->getSkin();
+	$specialTitle = Title::makeTitle( NS_SPECIAL, 'Watchlist' );
+	$wgOut->setRobotPolicy( 'noindex,nofollow' );
+
+	# Anons don't get a watchlist
+	if( $wgUser->isAnon() ) {
+		$wgOut->setPageTitle( wfMsg( 'watchnologin' ) );
+		$llink = $skin->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogin' ), wfMsgHtml( 'loginreqlink' ), 'returnto=' . $specialTitle->getPrefixedUrl() );
+		$wgOut->addHtml( wfMsgWikiHtml( 'watchlistanontext', $llink ) );
+		return;
+	} else {
+		$wgOut->setPageTitle( wfMsg( 'watchlist' ) );
+		$wgOut->setSubtitle( wfMsgWikiHtml( 'watchlistfor', htmlspecialchars( $wgUser->getName() ) ) );
+	}
+
+	if( wlHandleClear( $wgOut, $wgRequest, $par ) ) {
+		return;
+	}
+
+	$defaults = array(
+	/* float */ 'days' => floatval( $wgUser->getOption( 'watchlistdays' ) ), /* 3.0 or 0.5, watch further below */
+	/* bool  */ 'hideOwn' => (int)$wgUser->getBoolOption( 'watchlisthideown' ),
+	/* bool  */ 'hideBots' => (int)$wgUser->getBoolOption( 'watchlisthidebots' ),
+	/* ?     */ 'namespace' => 'all',
+	);
+
+	extract($defaults);
+
+	# Extract variables from the request, falling back to user preferences or
+	# other default values if these don't exist
+	$prefs['days'    ] = floatval( $wgUser->getOption( 'watchlistdays' ) );
+	$prefs['hideown' ] = $wgUser->getBoolOption( 'watchlisthideown' );
+	$prefs['hidebots'] = $wgUser->getBoolOption( 'watchlisthidebots' );
+
+	# Get query variables
+	$days = $wgRequest->getVal( 'days', $prefs['days'] );
+	$hideOwn = $wgRequest->getBool( 'hideOwn', $prefs['hideown'] );
+	$hideBots = $wgRequest->getBool( 'hideBots', $prefs['hidebots'] );
+	
+	# Get namespace value, if supplied, and prepare a WHERE fragment
+	$nameSpace = $wgRequest->getIntOrNull( 'namespace' );
+	if( !is_null( $nameSpace ) ) {
+		$nameSpace = intval( $nameSpace );
+		$nameSpaceClause = " AND rc_namespace = $nameSpace";
+	} else {
+		$nameSpace = '';
+		$nameSpaceClause = '';
+	}
+
+	# Watchlist editing
+	$action = $wgRequest->getVal( 'action' );
+	$remove = $wgRequest->getVal( 'remove' );
+	$id = $wgRequest->getArray( 'id' );
+
+	$uid = $wgUser->getID();
+	if( $wgEnotifWatchlist && $wgRequest->getVal( 'reset' ) && $wgRequest->wasPosted() ) {
+		$wgUser->clearAllNotifications( $uid );
+	}
+
+  # Deleting items from watchlist
+	if(($action == 'submit') && isset($remove) && is_array($id)) {
+		$wgOut->addWikiText( wfMsg( 'removingchecked' ) );
+		$wgOut->addHTML( '<p>' );
+		foreach($id as $one) {
+			$t = Title::newFromURL( $one );
+			if( !is_null( $t ) ) {
+				$wl = WatchedItem::fromUserTitle( $wgUser, $t );
+				if( $wl->removeWatch() === false ) {
+					$wgOut->addHTML( "<br />\n" . wfMsg( 'couldntremove', htmlspecialchars($one) ) );
+				} else {
+					wfRunHooks('UnwatchArticle', array(&$wgUser, new Article($t)));
+					$wgOut->addHTML( ' (' . htmlspecialchars($one) . ')' );
+				}
+			} else {
+				$wgOut->addHTML( "<br />\n" . wfMsg( 'iteminvalidname', htmlspecialchars($one) ) );
+			}
+		}
+		$wgOut->addHTML( "<br />\n" . wfMsg( 'wldone' ) . "</p>\n" );
+	}
+
+	if ( $wgUseWatchlistCache ) {
+		$memckey = "$wgDBname:watchlist:id:" . $wgUser->getId();
+		$cache_s = @$wgMemc->get( $memckey );
+		if( $cache_s ){
+			$wgOut->addWikiText( wfMsg('wlsaved') );
+			$wgOut->addHTML( $cache_s );
+			return;
+		}
+	}
+
+	$dbr =& wfGetDB( DB_SLAVE );
+	extract( $dbr->tableNames( 'page', 'revision', 'watchlist', 'recentchanges' ) );
+
+	$sql = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_user=$uid";
+	$res = $dbr->query( $sql, $fname );
+	$s = $dbr->fetchObject( $res );
+	
+#	Patch *** A1 *** (see A2 below)
+#	adjust for page X, talk:page X, which are both stored separately, but treated together
+	$nitems = floor($s->n / 2);
+#	$nitems = $s->n;
+
+	if($nitems == 0) {
+		$wgOut->addWikiText( wfMsg( 'nowatchlist' ) );
+		return;
+	}
+
+	if( is_null($days) || !is_numeric($days) ) {
+		$big = 1000; /* The magical big */
+		if($nitems > $big) {
+			# Set default cutoff shorter
+			$days = $defaults['days'] = (12.0 / 24.0); # 12 hours...
+		} else {
+			$days = $defaults['days']; # default cutoff for shortlisters
+		}
+	} else {
+		$days = floatval($days);
+	}
+
+	// Dump everything here
+	$nondefaults = array();
+
+	wfAppendToArrayIfNotDefault( 'days', $days, $defaults, $nondefaults);
+	wfAppendToArrayIfNotDefault( 'hideOwn', (int)$hideOwn, $defaults, $nondefaults);
+	wfAppendToArrayIfNotDefault( 'hideBots', (int)$hideBots, $defaults, $nondefaults);
+	wfAppendToArrayIfNotDefault( 'namespace', $nameSpace, $defaults, $nondefaults );
+
+	if ( $days <= 0 ) {
+		$docutoff = '';
+		$cutoff = false;
+		$npages = wfMsg( 'watchlistall1' );
+	} else {
+	        $docutoff = "AND rev_timestamp > '" .
+		  ( $cutoff = $dbr->timestamp( time() - intval( $days * 86400 ) ) )
+		  . "'";
+	          /*
+	          $sql = "SELECT COUNT(*) AS n FROM $page, $revision  WHERE rev_timestamp>'$cutoff' AND page_id=rev_page";
+	          $res = $dbr->query( $sql, $fname );
+	          $s = $dbr->fetchObject( $res );
+	          $npages = $s->n;
+	          */
+	          $npages = 40000 * $days;
+
+	}
+
+	/* Edit watchlist form */
+	if($wgRequest->getBool('edit') || $par == 'edit' ) {
+		$wgOut->addWikiText( wfMsg( 'watchlistcontains', $wgLang->formatNum( $nitems ) ) .
+			"\n\n" . wfMsg( 'watcheditlist' ) );
+
+		$wgOut->addHTML( '<form action=\'' .
+			$specialTitle->escapeLocalUrl( 'action=submit' ) .
+			"' method='post'>\n" );
+
+#		Patch A2
+#		The following was proposed by KTurner 07.11.2004 to T.Gries
+#		$sql = "SELECT distinct (wl_namespace & ~1),wl_title FROM $watchlist WHERE wl_user=$uid";
+		$sql = "SELECT wl_namespace, wl_title, page_is_redirect FROM $watchlist LEFT JOIN $page ON wl_namespace = page_namespace AND wl_title = page_title WHERE wl_user=$uid";
+
+		$res = $dbr->query( $sql, $fname );
+		
+		# Batch existence check
+		$linkBatch = new LinkBatch();
+		while( $row = $dbr->fetchObject( $res ) )
+			$linkBatch->addObj( Title::makeTitleSafe( $row->wl_namespace, $row->wl_title ) );
+		$linkBatch->execute();
+		if( $dbr->numRows( $res ) > 0 )
+			$dbr->dataSeek( $res, 0 ); # Let's do the time warp again!
+		
+		$sk = $wgUser->getSkin();
+
+		$list = array();
+		while( $s = $dbr->fetchObject( $res ) ) {
+			$list[$s->wl_namespace][$s->wl_title] = $s->page_is_redirect;
+		}
+
+		// TODO: Display a TOC
+		foreach($list as $ns => $titles) {
+			if (Namespace::isTalk($ns))
+				continue;
+			if ($ns != NS_MAIN)
+				$wgOut->addHTML( '<h2>' . $wgContLang->getFormattedNsText( $ns ) . '</h2>' );
+			$wgOut->addHTML( '<ul>' );
+			foreach( $titles as $title => $redir ) {
+				$titleObj = Title::makeTitle( $ns, $title );
+				if( is_null( $titleObj ) ) {
+					$wgOut->addHTML(
+						'<!-- bad title "' .
+						htmlspecialchars( $s->wl_title ) . '" in namespace ' . $s->wl_namespace . " -->\n"
+					);
+				} else {
+					global $wgContLang;
+					$toolLinks = array();
+					$titleText = $titleObj->getPrefixedText();
+					$pageLink = $sk->makeLinkObj( $titleObj );
+					$toolLinks[] = $sk->makeLinkObj( $titleObj->getTalkPage(), $wgLang->getNsText( NS_TALK ) );
+					if( $titleObj->exists() )
+						$toolLinks[] = $sk->makeKnownLinkObj( $titleObj, wfMsgHtml( 'history_short' ), 'action=history' );
+					$toolLinks = '(' . implode( ' | ', $toolLinks ) . ')';
+					$checkbox = '<input type="checkbox" name="id[]" value="' . htmlspecialchars( $titleObj->getPrefixedText() ) . '" /> ' . ( $wgContLang->isRTL() ? '&rlm;' : '&lrm;' );
+					if( $redir ) {
+						$spanopen = '<span class="watchlistredir">';
+						$spanclosed = '</span>';
+					} else {
+						$spanopen = $spanclosed = '';
+					}
+					
+					$wgOut->addHTML( "<li>{$checkbox}{$spanopen}{$pageLink}{$spanclosed} {$toolLinks}</li>\n" );
+				}
+			}
+			$wgOut->addHTML( '</ul>' );
+		}
+		$wgOut->addHTML(
+			"<input type='submit' name='remove' value=\"" .
+			htmlspecialchars( wfMsg( "removechecked" ) ) . "\" />\n" .
+			"</form>\n"
+		);
+
+		return;
+	}
+
+	# If the watchlist is relatively short, it's simplest to zip
+	# down its entirety and then sort the results.
+
+	# If it's relatively long, it may be worth our while to zip
+	# through the time-sorted page list checking for watched items.
+
+	# Up estimate of watched items by 15% to compensate for talk pages...
+
+	# Toggles
+	$andHideOwn = $hideOwn ? "AND (rc_user <> $uid)" : '';
+	$andHideBots = $hideBots ? "AND (rc_bot = 0)" : '';
+
+	# Show watchlist header
+	$header = '';
+	if( $wgUser->getOption( 'enotifwatchlistpages' ) && $wgEnotifWatchlist) {
+		$header .= wfMsg( 'wlheader-enotif' ) . "\n";
+	}
+	if ( $wgEnotifWatchlist && $wgShowUpdatedMarker ) {
+		$header .= wfMsg( 'wlheader-showupdated' ) . "\n";
+	}
+
+  # Toggle watchlist content (all recent edits or just the latest)
+	if( $wgUser->getOption( 'extendwatchlist' )) {
+		$andLatest=''; 
+ 		$limitWatchlist = 'LIMIT ' . intval( $wgUser->getOption( 'wllimit' ) );
+	} else {
+		$andLatest= 'AND rc_this_oldid=page_latest';
+		$limitWatchlist = '';
+	}
+
+	# TODO: Consider removing the third parameter
+	$header .= wfMsg( 'watchdetails', $wgLang->formatNum( $nitems ),
+		$wgLang->formatNum( $npages ), '',
+		$specialTitle->getFullUrl( 'edit=yes' ) );
+	$wgOut->addWikiText( $header );
+
+	if ( $wgEnotifWatchlist && $wgShowUpdatedMarker ) {
+		$wgOut->addHTML( '<form action="' .
+			$specialTitle->escapeLocalUrl() .
+			'" method="post"><input type="submit" name="dummy" value="' .
+			htmlspecialchars( wfMsg( 'enotif_reset' ) ) .
+			'" /><input type="hidden" name="reset" value="all" /></form>' .
+			"\n\n" );
+	}
+
+	$sql = "SELECT
+	  rc_namespace AS page_namespace, rc_title AS page_title,
+	  rc_comment AS rev_comment, rc_cur_id AS page_id,
+	  rc_user AS rev_user, rc_user_text AS rev_user_text,
+	  rc_timestamp AS rev_timestamp, rc_minor AS rev_minor_edit,
+	  rc_this_oldid AS rev_id,
+	  rc_last_oldid, rc_id, rc_patrolled,
+	  rc_new AS page_is_new,wl_notificationtimestamp
+	  FROM $watchlist,$recentchanges,$page
+	  WHERE wl_user=$uid
+	  AND wl_namespace=rc_namespace
+	  AND wl_title=rc_title
+	  AND rc_timestamp > '$cutoff'
+	  AND rc_cur_id=page_id
+	  $andLatest
+	  $andHideOwn
+	  $andHideBots
+	  $nameSpaceClause
+	  ORDER BY rc_timestamp DESC
+	  $limitWatchlist";
+
+	$res = $dbr->query( $sql, $fname );
+	$numRows = $dbr->numRows( $res );
+
+	/* Start bottom header */
+	$wgOut->addHTML( "<hr />\n<p>" );
+
+	if($days >= 1)
+		$wgOut->addWikiText( wfMsg( 'rcnote', $wgLang->formatNum( $numRows ),
+			$wgLang->formatNum( $days ), $wgLang->timeAndDate( wfTimestampNow(), true ) ) . '<br />' , false );
+	elseif($days > 0)
+		$wgOut->addWikiText( wfMsg( 'wlnote', $wgLang->formatNum( $numRows ),
+			$wgLang->formatNum( round($days*24) ) ) . '<br />' , false );
+
+	$wgOut->addHTML( "\n" . wlCutoffLinks( $days, 'Watchlist', $nondefaults ) . "<br />\n" );
+
+	# Spit out some control panel links
+	$thisTitle = Title::makeTitle( NS_SPECIAL, 'Watchlist' );
+	$skin = $wgUser->getSkin();
+	$linkElements = array( 'hideOwn' => 'wlhideshowown', 'hideBots' => 'wlhideshowbots' );
+	
+	# Problems encountered using the fancier method
+	$label = $hideBots ? wfMsgHtml( 'show' ) : wfMsgHtml( 'hide' );
+	$linkBits = wfArrayToCGI( array( 'hideBots' => 1 - (int)$hideBots ), $nondefaults );
+	$link = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
+	$links[] = wfMsgHtml( 'wlhideshowbots', $link );
+
+	$label = $hideOwn ? wfMsgHtml( 'show' ) : wfMsgHtml( 'hide' );
+	$linkBits = wfArrayToCGI( array( 'hideOwn' => 1 - (int)$hideOwn ), $nondefaults );
+	$link = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
+	$links[] = wfMsgHtml( 'wlhideshowown', $link );
+
+	$wgOut->addHTML( implode( ' | ', $links ) );
+
+	# Form for namespace filtering
+	$thisAction = $thisTitle->escapeLocalUrl();
+	$nsForm  = "<form method=\"post\" action=\"{$thisAction}\">\n";
+	$nsForm .= "<label for=\"namespace\">" . wfMsgExt( 'namespace', array( 'parseinline') ) . "</label> ";
+	$nsForm .= HTMLnamespaceselector( $nameSpace, '' ) . "\n";
+	$nsForm .= ( $hideOwn ? "<input type=\"hidden\" name=\"hideown\" value=\"1\" />\n" : "" );
+	$nsForm .= ( $hideBots ? "<input type=\"hidden\" name=\"hidebots\" value=\"1\" />\n" : "" );
+	$nsForm .= "<input type=\"hidden\" name=\"days\" value=\"" . $days . "\" />\n";
+	$nsForm .= "<input type=\"submit\" name=\"submit\" value=\"" . wfMsgExt( 'allpagessubmit', array( 'escape') ) . "\" />\n";
+	$nsForm .= "</form>\n";
+	$wgOut->addHTML( $nsForm );
+
+	if ( $numRows == 0 ) {
+		$wgOut->addWikitext( "<br />" . wfMsg( 'watchnochange' ), false );
+		$wgOut->addHTML( "</p>\n" );
+		return;
+	}
+
+	$wgOut->addHTML( "</p>\n" );
+	/* End bottom header */
+
+	$list = ChangesList::newFromUser( $wgUser );
+
+	$s = $list->beginRecentChangesList();
+	$counter = 1;
+	while ( $obj = $dbr->fetchObject( $res ) ) {
+		# Make fake RC entry
+		$rc = RecentChange::newFromCurRow( $obj, $obj->rc_last_oldid );
+		$rc->counter = $counter++;
+
+		if ( $wgShowUpdatedMarker ) {
+			$updated = $obj->wl_notificationtimestamp;
+		} else {
+			// Same visual appearance as MW 1.4
+			$updated = true;
+		}
+
+		if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
+			$sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" .wfStrencode($obj->page_title). "' AND wl_namespace='{$obj->page_namespace}'" ;
+			$res3 = $dbr->query( $sql3, DB_READ, $fname );
+			$x = $dbr->fetchObject( $res3 );
+			$rc->numberofWatchingusers = $x->n;
+		} else {
+			$rc->numberofWatchingusers = 0;
+		}
+
+		$s .= $list->recentChangesLine( $rc, $updated );
+	}
+	$s .= $list->endRecentChangesList();
+
+	$dbr->freeResult( $res );
+	$wgOut->addHTML( $s );
+
+	if ( $wgUseWatchlistCache ) {
+		$wgMemc->set( $memckey, $s, $wgWLCacheTimeout);
+	}
+
+}
+
+function wlHoursLink( $h, $page, $options = array() ) {
+	global $wgUser, $wgLang, $wgContLang;
+	$sk = $wgUser->getSkin();
+	$s = $sk->makeKnownLink(
+	  $wgContLang->specialPage( $page ),
+	  $wgLang->formatNum( $h ),
+	  wfArrayToCGI( array('days' => ($h / 24.0)), $options ) );
+	return $s;
+}
+
+function wlDaysLink( $d, $page, $options = array() ) {
+	global $wgUser, $wgLang, $wgContLang;
+	$sk = $wgUser->getSkin();
+	$s = $sk->makeKnownLink(
+	  $wgContLang->specialPage( $page ),
+	  ($d ? $wgLang->formatNum( $d ) : wfMsgHtml( 'watchlistall2' ) ),
+	  wfArrayToCGI( array('days' => $d), $options ) );
+	return $s;
+}
+
+/**
+ * Returns html
+ */
+function wlCutoffLinks( $days, $page = 'Watchlist', $options = array() ) {
+	$hours = array( 1, 2, 6, 12 );
+	$days = array( 1, 3, 7 );
+	$cl = '';
+	$i = 0;
+	foreach( $hours as $h ) {
+		$hours[$i++] = wlHoursLink( $h, $page, $options );
+	}
+	$i = 0;
+	foreach( $days as $d ) {
+		$days[$i++] = wlDaysLink( $d, $page, $options );
+	}
+	return wfMsgExt('wlshowlast',
+		array('parseinline', 'replaceafter'),
+		implode(' | ', $hours),
+		implode(' | ', $days),
+		wlDaysLink( 0, $page, $options ) );
+}
+
+/**
+ * Count the number of items on a user's watchlist
+ *
+ * @param $talk Include talk pages
+ * @return integer
+ */
+function wlCountItems( &$user, $talk = true ) {
+	$dbr =& wfGetDB( DB_SLAVE );
+	
+	# Fetch the raw count
+	$res = $dbr->select( 'watchlist', 'COUNT(*) AS count', array( 'wl_user' => $user->mId ), 'wlCountItems' );
+	$row = $dbr->fetchObject( $res );
+	$count = $row->count;
+	$dbr->freeResult( $res );
+	
+	# Halve to remove talk pages if needed
+	if( !$talk )
+		$count = floor( $count / 2 );
+		
+	return( $count );	
+}
+
+/**
+ * Allow the user to clear their watchlist
+ *
+ * @param $out Output object
+ * @param $request Request object
+ * @param $par Parameters passed to the watchlist page
+ * @return bool True if it's been taken care of; false indicates the watchlist
+ * 				code needs to do something further
+ */
+function wlHandleClear( &$out, &$request, $par ) {
+	# Check this function has something to do
+	if( $request->getText( 'action' ) == 'clear' || $par == 'clear' ) {
+		global $wgUser;
+		$out->setPageTitle( wfMsgHtml( 'clearwatchlist' ) );
+		$count = wlCountItems( $wgUser );
+		if( $count > 0 ) {
+			# See if we're clearing or confirming
+			if( $request->wasPosted() && $wgUser->matchEditToken( $request->getText( 'token' ), 'clearwatchlist' ) ) {
+				# Clearing, so do it and report the result
+				$dbw =& wfGetDB( DB_MASTER );
+				$dbw->delete( 'watchlist', array( 'wl_user' => $wgUser->mId ), 'wlHandleClear' );
+				$out->addWikiText( wfMsg( 'watchlistcleardone', $count ) );
+				$out->returnToMain();
+			} else {
+				# Confirming, so show a form
+				$wlTitle = Title::makeTitle( NS_SPECIAL, 'Watchlist' );
+				$out->addHTML( wfElement( 'form', array( 'method' => 'post', 'action' => $wlTitle->getLocalUrl( 'action=clear' ) ), NULL ) );
+				$out->addWikiText( wfMsg( 'watchlistcount', $count ) );
+				$out->addWikiText( wfMsg( 'watchlistcleartext' ) );
+				$out->addHTML( wfElement( 'input', array( 'type' => 'hidden', 'name' => 'token', 'value' => $wgUser->editToken( 'clearwatchlist' ) ), '' ) );
+				$out->addHTML( wfElement( 'input', array( 'type' => 'submit', 'name' => 'submit', 'value' => wfMsgHtml( 'watchlistclearbutton' ) ), '' ) );
+				$out->addHTML( wfCloseElement( 'form' ) ); 
+			}
+			return( true );
+		} else {
+			# Nothing on the watchlist; nothing to do here
+			$out->addWikiText( wfMsg( 'nowatchlist' ) );
+			$out->returnToMain();
+			return( true );
+		}
+	} else {
+		return( false );
+	}
+}
+
+?>
diff --git a/includes/SpecialWhatlinkshere.php b/includes/SpecialWhatlinkshere.php
new file mode 100644
index 00000000..cedf6049
--- /dev/null
+++ b/includes/SpecialWhatlinkshere.php
@@ -0,0 +1,277 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ * Entry point
+ * @param string $par An article name ??
+ */
+function wfSpecialWhatlinkshere($par = NULL) {
+	global $wgRequest;
+	$page = new WhatLinksHerePage( $wgRequest, $par );
+	$page->execute();
+}
+
+class WhatLinksHerePage {
+	var $request, $par;
+	var $limit, $from, $dir, $target;
+	var $selfTitle, $skin;
+
+	function WhatLinksHerePage( &$request, $par = null ) {
+		global $wgUser;
+		$this->request =& $request;
+		$this->skin =& $wgUser->getSkin();
+		$this->par = $par;
+	}
+
+	function execute() {
+		global $wgOut;
+
+		$this->limit = min( $this->request->getInt( 'limit', 50 ), 5000 );
+		if ( $this->limit <= 0 ) {
+			$this->limit = 50;
+		}
+		$this->from = $this->request->getInt( 'from' );
+		$this->dir = $this->request->getText( 'dir', 'next' );
+		if ( $this->dir != 'prev' ) {
+			$this->dir = 'next';
+		}
+
+		$targetString = isset($this->par) ? $this->par : $this->request->getVal( 'target' );
+
+		if (is_null($targetString)) {
+			$wgOut->showErrorPage( 'notargettitle', 'notargettext' );
+			return;
+		}
+
+		$this->target = Title::newFromURL( $targetString );
+		if( !$this->target ) {
+			$wgOut->showErrorPage( 'notargettitle', 'notargettext' );
+			return;
+		}
+		$this->selfTitle = Title::makeTitleSafe( NS_SPECIAL,
+			'Whatlinkshere/' . $this->target->getPrefixedDBkey() );
+		$wgOut->setPagetitle( $this->target->getPrefixedText() );
+		$wgOut->setSubtitle( wfMsg( 'linklistsub' ) );
+
+		$isredir = ' (' . wfMsg( 'isredirect' ) . ")\n";
+
+		$wgOut->addHTML('&lt; '.$this->skin->makeLinkObj($this->target, '', 'redirect=no' )."<br />\n");
+
+		$this->showIndirectLinks( 0, $this->target, $this->limit, $this->from, $this->dir );
+	}
+
+	/**
+	 * @param int       $level      Recursion level
+	 * @param Title     $target     Target title
+	 * @param int       $limit      Number of entries to display
+	 * @param Title     $from       Display from this article ID
+	 * @param string    $dir        'next' or 'prev', whether $fromTitle is the start or end of the list
+	 * @private
+	 */
+	function showIndirectLinks( $level, $target, $limit, $from = 0, $dir = 'next' ) {
+		global $wgOut;
+		$fname = 'WhatLinksHerePage::showIndirectLinks';
+
+		$dbr =& wfGetDB( DB_READ );
+
+		extract( $dbr->tableNames( 'pagelinks', 'templatelinks', 'page' ) );
+
+		// Some extra validation
+		$from = intval( $from );
+		if ( !$from && $dir == 'prev' ) {
+			// Before start? No make sense
+			$dir = 'next';
+		}
+
+		// Make the query
+		$plConds = array(
+			'page_id=pl_from',
+			'pl_namespace' => $target->getNamespace(),
+			'pl_title' => $target->getDBkey(),
+		);
+
+		$tlConds = array(
+			'page_id=tl_from',
+			'tl_namespace' => $target->getNamespace(),
+			'tl_title' => $target->getDBkey(),
+		);
+
+		if ( $from ) {
+			if ( 'prev' == $dir ) {
+				$offsetCond = "page_id < $from";
+				$options = array( 'ORDER BY page_id DESC' );
+			} else {
+				$offsetCond = "page_id >= $from";
+				$options = array( 'ORDER BY page_id' );
+			}
+		} else {
+			$offsetCond = false;
+			$options = array( 'ORDER BY page_id,is_template DESC' );
+		}
+		// Read an extra row as an at-end check
+		$queryLimit = $limit + 1;
+		$options['LIMIT'] = $queryLimit;
+		if ( $offsetCond ) {
+			$tlConds[] = $offsetCond;
+			$plConds[] = $offsetCond;
+		}
+		$fields = array( 'page_id', 'page_namespace', 'page_title', 'page_is_redirect' );
+
+		$plRes = $dbr->select( array( 'pagelinks', 'page' ), $fields,
+			$plConds, $fname, $options );
+		$tlRes = $dbr->select( array( 'templatelinks', 'page' ), $fields,
+			$tlConds, $fname, $options );
+
+		if ( !$dbr->numRows( $plRes ) && !$dbr->numRows( $tlRes ) ) {
+			if ( 0 == $level ) {
+				$wgOut->addWikiText( wfMsg( 'nolinkshere' ) );
+			}
+			return;
+		}
+
+		// Read the rows into an array and remove duplicates
+		// templatelinks comes second so that the templatelinks row overwrites the
+		// pagelinks row, so we get (inclusion) rather than nothing
+		while ( $row = $dbr->fetchObject( $plRes ) ) {
+			$row->is_template = 0;
+			$rows[$row->page_id] = $row;
+		}
+		$dbr->freeResult( $plRes );
+		while ( $row = $dbr->fetchObject( $tlRes ) ) {
+			$row->is_template = 1;
+			$rows[$row->page_id] = $row;
+		}
+		$dbr->freeResult( $tlRes );
+
+		// Sort by key and then change the keys to 0-based indices
+		ksort( $rows );
+		$rows = array_values( $rows );
+
+		$numRows = count( $rows );
+
+		// Work out the start and end IDs, for prev/next links
+		if ( $dir == 'prev' ) {
+			// Descending order
+			if ( $numRows > $limit ) {
+				// More rows available before these ones
+				// Get the ID from the next row past the end of the displayed set
+				$prevId = $rows[$limit]->page_id;
+				// Remove undisplayed rows
+				$rows = array_slice( $rows, 0, $limit );
+			} else {
+				// No more rows available before
+				$prevId = 0;
+			}
+			// Assume that the ID specified in $from exists, so there must be another page
+			$nextId = $from;
+
+			// Reverse order ready for display
+			$rows = array_reverse( $rows );
+		} else {
+			// Ascending
+			if ( $numRows > $limit ) {
+				// More rows available after these ones
+				// Get the ID from the last row in the result set
+				$nextId = $rows[$limit]->page_id;
+				// Remove undisplayed rows
+				$rows = array_slice( $rows, 0, $limit );
+			} else {
+				// No more rows after
+				$nextId = false;
+			}
+			$prevId = $from;
+		}
+
+		if ( 0 == $level ) {
+			$wgOut->addWikiText( wfMsg( 'linkshere' ) );
+		}
+		$isredir = wfMsg( 'isredirect' );
+		$istemplate = wfMsg( 'istemplate' );
+
+		if( $level == 0 ) {
+			$prevnext = $this->getPrevNext( $limit, $prevId, $nextId );
+			$wgOut->addHTML( $prevnext );
+		}
+
+		$wgOut->addHTML( '<ul>' );
+		foreach ( $rows as $row ) {
+			$nt = Title::makeTitle( $row->page_namespace, $row->page_title );
+
+			if ( $row->page_is_redirect ) {
+				$extra = 'redirect=no';
+			} else {
+				$extra = '';
+			}
+
+			$link = $this->skin->makeKnownLinkObj( $nt, '', $extra );
+			$wgOut->addHTML( '<li>'.$link );
+
+			// Display properties (redirect or template)
+			$props = array();
+			if ( $row->page_is_redirect ) {
+				$props[] = $isredir;
+			}
+			if ( $row->is_template ) {
+				$props[] = $istemplate;
+			}
+			if ( count( $props ) ) {
+				// FIXME? Cultural assumption, hard-coded punctuation
+				$wgOut->addHTML( ' (' . implode( ', ', $props ) . ') ' );
+			}
+
+			if ( $row->page_is_redirect ) {
+				if ( $level < 2 ) {
+					$this->showIndirectLinks( $level + 1, $nt, 500 );
+				}
+			}
+			$wgOut->addHTML( "</li>\n" );
+		}
+		$wgOut->addHTML( "</ul>\n" );
+
+		if( $level == 0 ) {
+			$wgOut->addHTML( $prevnext );
+		}
+	}
+
+	function makeSelfLink( $text, $query ) {
+		return $this->skin->makeKnownLinkObj( $this->selfTitle, $text, $query );
+	}
+
+	function getPrevNext( $limit, $prevId, $nextId ) {
+		global $wgLang;
+		$fmtLimit = $wgLang->formatNum( $limit );
+		$prev = wfMsg( 'prevn', $fmtLimit );
+		$next = wfMsg( 'nextn', $fmtLimit );
+
+		if ( 0 != $prevId ) {
+			$prevLink = $this->makeSelfLink( $prev, "limit={$limit}&from={$prevId}&dir=prev" );
+		} else {
+			$prevLink = $prev;
+		}
+		if ( 0 != $nextId ) {
+			$nextLink = $this->makeSelfLink( $next, "limit={$limit}&from={$nextId}" );
+		} else {
+			$nextLink = $next;
+		}
+		$nums = $this->numLink( 20, $prevId ) . ' | ' .
+		  $this->numLink( 50, $prevId ) . ' | ' .
+		  $this->numLink( 100, $prevId ) . ' | ' .
+		  $this->numLink( 250, $prevId ) . ' | ' .
+		  $this->numLink( 500, $prevId );
+
+		return wfMsg( 'viewprevnext', $prevLink, $nextLink, $nums );
+	}
+
+	function numLink( $limit, $from ) {
+		global $wgLang;
+		$query = "limit={$limit}&from={$from}";
+		$fmtLimit = $wgLang->formatNum( $limit );
+		return $this->makeSelfLink( $fmtLimit, $query );
+	}
+}
+
+?>
diff --git a/includes/SquidUpdate.php b/includes/SquidUpdate.php
new file mode 100644
index 00000000..37d97e01
--- /dev/null
+++ b/includes/SquidUpdate.php
@@ -0,0 +1,279 @@
+<?php
+/**
+ * See deferred.txt
+ * @package MediaWiki
+ */
+
+/**
+ *
+ * @package MediaWiki
+ */
+class SquidUpdate {
+	var $urlArr, $mMaxTitles;
+
+	function SquidUpdate( $urlArr = Array(), $maxTitles = false ) {
+		global $wgMaxSquidPurgeTitles;
+		if ( $maxTitles === false ) {
+			$this->mMaxTitles = $wgMaxSquidPurgeTitles;
+		} else {
+			$this->mMaxTitles = $maxTitles;
+		}
+		if ( count( $urlArr ) > $this->mMaxTitles ) {
+			$urlArr = array_slice( $urlArr, 0, $this->mMaxTitles );
+		}
+		$this->urlArr = $urlArr;
+	}
+
+	/* static */ function newFromLinksTo( &$title ) {
+		$fname = 'SquidUpdate::newFromLinksTo';
+		wfProfileIn( $fname );
+
+		# Get a list of URLs linking to this page
+		$id = $title->getArticleID();
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( array( 'links', 'page' ),
+			array( 'page_namespace', 'page_title' ),
+			array(
+				'pl_namespace' => $title->getNamespace(),
+				'pl_title'     => $title->getDbKey(),
+				'pl_from=page_id' ),
+			$fname );
+		$blurlArr = $title->getSquidURLs();
+		if ( $dbr->numRows( $res ) <= $this->mMaxTitles ) {
+			while ( $BL = $dbr->fetchObject ( $res ) )
+			{
+				$tobj = Title::makeTitle( $BL->page_namespace, $BL->page_title ) ;
+				$blurlArr[] = $tobj->getInternalURL();
+			}
+		}
+		$dbr->freeResult ( $res ) ;
+
+		wfProfileOut( $fname );
+		return new SquidUpdate( $blurlArr );
+	}
+
+	/* static */ function newFromTitles( &$titles, $urlArr = array() ) {
+		global $wgMaxSquidPurgeTitles;
+		if ( count( $titles ) > $wgMaxSquidPurgeTitles ) {
+			$titles = array_slice( $titles, 0, $wgMaxSquidPurgeTitles );
+		}
+		foreach ( $titles as $title ) {
+			$urlArr[] = $title->getInternalURL();
+		}
+		return new SquidUpdate( $urlArr );
+	}
+
+	/* static */ function newSimplePurge( &$title ) {
+		$urlArr = $title->getSquidURLs();
+		return new SquidUpdate( $urlArr );
+	}
+
+	function doUpdate() {
+		SquidUpdate::purge( $this->urlArr );
+	}
+
+	/* Purges a list of Squids defined in $wgSquidServers.
+	$urlArr should contain the full URLs to purge as values
+	(example: $urlArr[] = 'http://my.host/something')
+	XXX report broken Squids per mail or log */
+
+	/* static */ function purge( $urlArr ) {
+		global $wgSquidServers, $wgHTCPMulticastAddress, $wgHTCPPort;
+
+		/*if ( (@$wgSquidServers[0]) == 'echo' ) {
+			echo implode("<br />\n", $urlArr) . "<br />\n";
+			return;
+		}*/
+
+		if ( $wgHTCPMulticastAddress && $wgHTCPPort )
+			SquidUpdate::HTCPPurge( $urlArr );
+
+		$fname = 'SquidUpdate::purge';
+		wfProfileIn( $fname );
+
+		$maxsocketspersquid = 8; //  socket cap per Squid
+		$urlspersocket = 400; // 400 seems to be a good tradeoff, opening a socket takes a while
+		$firsturl = SquidUpdate::expand( $urlArr[0] );
+		unset($urlArr[0]);
+		$urlArr = array_values($urlArr);
+		$sockspersq =  max(ceil(count($urlArr) / $urlspersocket ),1);
+		if ($sockspersq == 1) {
+			/* the most common case */
+			$urlspersocket = count($urlArr);
+		} else if ($sockspersq > $maxsocketspersquid ) {
+			$urlspersocket = ceil(count($urlArr) / $maxsocketspersquid);
+			$sockspersq = $maxsocketspersquid;
+		}
+		$totalsockets = count($wgSquidServers) * $sockspersq;
+		$sockets = Array();
+
+		/* this sets up the sockets and tests the first socket for each server. */
+		for ($ss=0;$ss < count($wgSquidServers);$ss++) {
+			$failed = false;
+			$so = 0;
+			while ($so < $sockspersq && !$failed) {
+				if ($so == 0) {
+					/* first socket for this server, do the tests */
+					@list($server, $port) = explode(':', $wgSquidServers[$ss]);
+					if(!isset($port)) $port = 80;
+					#$this->debug("Opening socket to $server:$port");
+					$error = $errstr = false;
+					$socket = @fsockopen($server, $port, $error, $errstr, 3);
+					#$this->debug("\n");
+					if (!$socket) {
+						$failed = true;
+						$totalsockets -= $sockspersq;
+					} else {
+						$msg = 'PURGE ' . $firsturl . " HTTP/1.0\r\n".
+						"Connection: Keep-Alive\r\n\r\n";
+						#$this->debug($msg);
+						@fputs($socket,$msg);
+						#$this->debug("...");
+						$res = @fread($socket,512);
+						#$this->debug("\n");
+						/* Squid only returns http headers with 200 or 404 status,
+						if there's more returned something's wrong */
+						if (strlen($res) > 250) {
+							fclose($socket);
+							$failed = true;
+							$totalsockets -= $sockspersq;
+						} else {
+							@stream_set_blocking($socket,false);
+							$sockets[] = $socket;
+						}
+					}
+				} else {
+					/* open the remaining sockets for this server */
+					list($server, $port) = explode(':', $wgSquidServers[$ss]);
+					if(!isset($port)) $port = 80;
+					$sockets[$so+1] = @fsockopen($server, $port, $error, $errstr, 2);
+					@stream_set_blocking($sockets[$so+1],false);
+				}
+				$so++;
+			}
+		}
+
+		if ($urlspersocket > 0) {
+			/* now do the heavy lifting. The fread() relies on Squid returning only the headers */
+			for ($r=0;$r < $urlspersocket;$r++) {
+				for ($s=0;$s < $totalsockets;$s++) {
+					if($r != 0) {
+						$res = '';
+						$esc = 0;
+						while (strlen($res) < 100 && $esc < 200  ) {
+							$res .= @fread($sockets[$s],512);
+							$esc++;
+							usleep(20);
+						}
+					}
+					$urindex = $r + $urlspersocket * ($s - $sockspersq * floor($s / $sockspersq));
+					$url = SquidUpdate::expand( $urlArr[$urindex] );
+					$msg = 'PURGE ' . $url . " HTTP/1.0\r\n".
+					"Connection: Keep-Alive\r\n\r\n";
+					#$this->debug($msg);
+					@fputs($sockets[$s],$msg);
+					#$this->debug("\n");
+				}
+			}
+		}
+		#$this->debug("Reading response...");
+		foreach ($sockets as $socket) {
+			$res = '';
+			$esc = 0;
+			while (strlen($res) < 100 && $esc < 200  ) {
+				$res .= @fread($socket,1024);
+				$esc++;
+				usleep(20);
+			}
+
+			@fclose($socket);
+		}
+		#$this->debug("\n");
+		wfProfileOut( $fname );
+	}
+
+	/* static */ function HTCPPurge( $urlArr ) {
+		global $wgHTCPMulticastAddress, $wgHTCPMulticastTTL, $wgHTCPPort;
+		$fname = 'SquidUpdate::HTCPPurge';
+		wfProfileIn( $fname );
+
+		$htcpOpCLR = 4;                 // HTCP CLR
+
+		// FIXME PHP doesn't support these socket constants (include/linux/in.h)
+		define( "IPPROTO_IP", 0 );
+		define( "IP_MULTICAST_LOOP", 34 );
+		define( "IP_MULTICAST_TTL", 33 );
+
+		// pfsockopen doesn't work because we need set_sock_opt
+	        $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
+		if ( $conn ) {
+			// Set socket options
+			socket_set_option( $conn, IPPROTO_IP, IP_MULTICAST_LOOP, 0 );
+			if ( $wgHTCPMulticastTTL != 1 )
+				socket_set_option( $conn, IPPROTO_IP, IP_MULTICAST_TTL,
+					$wgHTCPMulticastTTL );
+
+			foreach ( $urlArr as $url ) {
+				$url = SquidUpdate::expand( $url );
+				
+				// Construct a minimal HTCP request diagram
+				// as per RFC 2756
+				// Opcode 'CLR', no response desired, no auth
+				$htcpTransID = rand();
+
+				$htcpSpecifier = pack( 'na4na*na8n',
+					4, 'NONE', strlen( $url ), $url,
+					8, 'HTTP/1.0', 0 );
+
+				$htcpDataLen = 8 + 2 + strlen( $htcpSpecifier );
+				$htcpLen = 4 + $htcpDataLen + 2;
+
+				// Note! Squid gets the bit order of the first
+				// word wrong, wrt the RFC. Apparently no other
+				// implementation exists, so adapt to Squid
+				$htcpPacket = pack( 'nxxnCxNxxa*n',
+					$htcpLen, $htcpDataLen, $htcpOpCLR,
+					$htcpTransID, $htcpSpecifier, 2);
+
+				// Send out
+				wfDebug( "Purging URL $url via HTCP\n" );
+				socket_sendto( $conn, $htcpPacket, $htcpLen, 0,
+					$wgHTCPMulticastAddress, $wgHTCPPort );
+			}
+		} else {
+			$errstr = socket_strerror( socket_last_error() );
+			wfDebug( "SquidUpdate::HTCPPurge(): Error opening UDP socket: $errstr\n" );
+		}
+		wfProfileOut( $fname );
+	}
+
+	function debug( $text ) {
+		global $wgDebugSquid;
+		if ( $wgDebugSquid ) {
+			wfDebug( $text );
+		}
+	}
+	
+	/**
+	 * Expand local URLs to fully-qualified URLs using the internal protocol
+	 * and host defined in $wgInternalServer. Input that's already fully-
+	 * qualified will be passed through unchanged.
+	 *
+	 * This is used to generate purge URLs that may be either local to the
+	 * main wiki or include a non-native host, such as images hosted on a
+	 * second internal server.
+	 *
+	 * Client functions should not need to call this.
+	 *
+	 * @return string
+	 */
+	static function expand( $url ) {
+		global $wgInternalServer;
+		if( $url != '' && $url{0} == '/' ) {
+			return $wgInternalServer . $url;
+		}
+		return $url;
+	}
+}
+?>
diff --git a/includes/StreamFile.php b/includes/StreamFile.php
new file mode 100644
index 00000000..83417185
--- /dev/null
+++ b/includes/StreamFile.php
@@ -0,0 +1,72 @@
+<?php
+/** */
+
+/** */
+function wfStreamFile( $fname ) {
+	$stat = @stat( $fname );
+	if ( !$stat ) {
+		header( 'HTTP/1.0 404 Not Found' );
+		echo "<html><body>
+<h1>File not found</h1>
+<p>Although this PHP script ({$_SERVER['SCRIPT_NAME']}) exists, the file requested for output
+does not.</p>
+</body></html>";
+		return;
+	}
+
+	header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) . ' GMT' );
+
+	// Cancel output buffering and gzipping if set
+	while( $status = ob_get_status() ) {
+		ob_end_clean();
+		if( $status['name'] == 'ob_gzhandler' ) {
+			header( 'Content-Encoding:' );
+		}
+	}
+	
+	$type = wfGetType( $fname );
+	if ( $type and $type!="unknown/unknown") {
+		header("Content-type: $type");
+	} else {
+		header('Content-type: application/x-wiki');
+	}
+
+	if ( !empty( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) {
+		$modsince = preg_replace( '/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE'] );
+		$sinceTime = strtotime( $modsince );
+		if ( $stat['mtime'] <= $sinceTime ) {
+			header( "HTTP/1.0 304 Not Modified" );
+			return;
+		}
+	}
+
+	header( 'Content-Length: ' . $stat['size'] );
+
+	readfile( $fname );
+}
+
+/** */
+function wfGetType( $filename ) {
+	global $wgTrivialMimeDetection;
+
+	# trivial detection by file extension,
+	# used for thumbnails (thumb.php)
+	if ($wgTrivialMimeDetection) {
+		$ext= strtolower(strrchr($filename, '.'));
+
+		switch ($ext) {
+			case '.gif': return 'image/gif';
+			case '.png': return 'image/png';
+			case '.jpg': return 'image/jpeg';
+			case '.jpeg': return 'image/jpeg';
+		}
+
+		return 'unknown/unknown';
+	}
+	else {
+		$magic=& wfGetMimeMagic();
+		return $magic->guessMimeType($filename); //full fancy mime detection
+	}
+}
+
+?>
diff --git a/includes/Title.php b/includes/Title.php
new file mode 100644
index 00000000..bc8f69a2
--- /dev/null
+++ b/includes/Title.php
@@ -0,0 +1,2307 @@
+<?php
+/**
+ * See title.txt
+ *
+ * @package MediaWiki
+ */
+
+/** */
+require_once( 'normal/UtfNormal.php' );
+
+define ( 'GAID_FOR_UPDATE', 1 );
+
+# Title::newFromTitle maintains a cache to avoid
+# expensive re-normalization of commonly used titles.
+# On a batch operation this can become a memory leak
+# if not bounded. After hitting this many titles,
+# reset the cache.
+define( 'MW_TITLECACHE_MAX', 1000 );
+
+/**
+ * Title class
+ * - Represents a title, which may contain an interwiki designation or namespace
+ * - Can fetch various kinds of data from the database, albeit inefficiently.
+ *
+ * @package MediaWiki
+ */
+class Title {
+	/**
+	 * Static cache variables
+	 */
+	static private $titleCache=array();
+	static private $interwikiCache=array();
+	
+	
+	/**
+	 * All member variables should be considered private
+	 * Please use the accessor functions
+	 */
+
+	 /**#@+
+	 * @private
+	 */
+
+	var $mTextform;           # Text form (spaces not underscores) of the main part
+	var $mUrlform;            # URL-encoded form of the main part
+	var $mDbkeyform;          # Main part with underscores
+	var $mNamespace;          # Namespace index, i.e. one of the NS_xxxx constants
+	var $mInterwiki;          # Interwiki prefix (or null string)
+	var $mFragment;           # Title fragment (i.e. the bit after the #)
+	var $mArticleID;          # Article ID, fetched from the link cache on demand
+	var $mLatestID;         # ID of most recent revision
+	var $mRestrictions;       # Array of groups allowed to edit this article
+	                        # Only null or "sysop" are supported
+	var $mRestrictionsLoaded; # Boolean for initialisation on demand
+	var $mPrefixedText;       # Text form including namespace/interwiki, initialised on demand
+	var $mDefaultNamespace;   # Namespace index when there is no namespace
+	                    # Zero except in {{transclusion}} tags
+	var $mWatched;      # Is $wgUser watching this page? NULL if unfilled, accessed through userIsWatching()
+	/**#@-*/
+
+
+	/**
+	 * Constructor
+	 * @private
+	 */
+	/* private */ function Title() {
+		$this->mInterwiki = $this->mUrlform =
+		$this->mTextform = $this->mDbkeyform = '';
+		$this->mArticleID = -1;
+		$this->mNamespace = NS_MAIN;
+		$this->mRestrictionsLoaded = false;
+		$this->mRestrictions = array();
+		# Dont change the following, NS_MAIN is hardcoded in several place
+		# See bug #696
+		$this->mDefaultNamespace = NS_MAIN;
+		$this->mWatched = NULL;
+		$this->mLatestID = false;
+	}
+
+	/**
+	 * Create a new Title from a prefixed DB key
+	 * @param string $key The database key, which has underscores
+	 *	instead of spaces, possibly including namespace and
+	 *	interwiki prefixes
+	 * @return Title the new object, or NULL on an error
+	 * @static
+	 * @access public
+	 */
+	/* static */ function newFromDBkey( $key ) {
+		$t = new Title();
+		$t->mDbkeyform = $key;
+		if( $t->secureAndSplit() )
+			return $t;
+		else
+			return NULL;
+	}
+
+	/**
+	 * Create a new Title from text, such as what one would
+	 * find in a link. Decodes any HTML entities in the text.
+	 *
+	 * @param string $text the link text; spaces, prefixes,
+	 *	and an initial ':' indicating the main namespace
+	 *	are accepted
+	 * @param int $defaultNamespace the namespace to use if
+	 * 	none is specified by a prefix
+	 * @return Title the new object, or NULL on an error
+	 * @static
+	 * @access public
+	 */
+	function newFromText( $text, $defaultNamespace = NS_MAIN ) {
+		$fname = 'Title::newFromText';
+
+		if( is_object( $text ) ) {
+			throw new MWException( 'Title::newFromText given an object' );
+		}
+
+		/**
+		 * Wiki pages often contain multiple links to the same page.
+		 * Title normalization and parsing can become expensive on
+		 * pages with many links, so we can save a little time by
+		 * caching them.
+		 *
+		 * In theory these are value objects and won't get changed...
+		 */
+		if( $defaultNamespace == NS_MAIN && isset( Title::$titleCache[$text] ) ) {
+			return Title::$titleCache[$text];
+		}
+
+		/**
+		 * Convert things like &eacute; &#257; or &#x3017; into real text...
+		 */
+		$filteredText = Sanitizer::decodeCharReferences( $text );
+
+		$t =& new Title();
+		$t->mDbkeyform = str_replace( ' ', '_', $filteredText );
+		$t->mDefaultNamespace = $defaultNamespace;
+
+		static $cachedcount = 0 ;
+		if( $t->secureAndSplit() ) {
+			if( $defaultNamespace == NS_MAIN ) {
+				if( $cachedcount >= MW_TITLECACHE_MAX ) {
+					# Avoid memory leaks on mass operations...
+					Title::$titleCache = array();
+					$cachedcount=0;
+				}
+				$cachedcount++;
+				Title::$titleCache[$text] =& $t;
+			}
+			return $t;
+		} else {
+			$ret = NULL;
+			return $ret;
+		}
+	}
+
+	/**
+	 * Create a new Title from URL-encoded text. Ensures that
+	 * the given title's length does not exceed the maximum.
+	 * @param string $url the title, as might be taken from a URL
+	 * @return Title the new object, or NULL on an error
+	 * @static
+	 * @access public
+	 */
+	function newFromURL( $url ) {
+		global $wgLegalTitleChars;
+		$t = new Title();
+
+		# For compatibility with old buggy URLs. "+" is usually not valid in titles,
+		# but some URLs used it as a space replacement and they still come
+		# from some external search tools.
+		if ( strpos( $wgLegalTitleChars, '+' ) === false ) {
+			$url = str_replace( '+', ' ', $url );
+		}
+
+		$t->mDbkeyform = str_replace( ' ', '_', $url );
+		if( $t->secureAndSplit() ) {
+			return $t;
+		} else {
+			return NULL;
+		}
+	}
+
+	/**
+	 * Create a new Title from an article ID
+	 *
+	 * @todo This is inefficiently implemented, the page row is requested
+	 *       but not used for anything else
+	 *
+	 * @param int $id the page_id corresponding to the Title to create
+	 * @return Title the new object, or NULL on an error
+	 * @access public
+	 * @static
+	 */
+	function newFromID( $id ) {
+		$fname = 'Title::newFromID';
+		$dbr =& wfGetDB( DB_SLAVE );
+		$row = $dbr->selectRow( 'page', array( 'page_namespace', 'page_title' ),
+			array( 'page_id' => $id ), $fname );
+		if ( $row !== false ) {
+			$title = Title::makeTitle( $row->page_namespace, $row->page_title );
+		} else {
+			$title = NULL;
+		}
+		return $title;
+	}
+
+	/**
+	 * Make an array of titles from an array of IDs 
+	 */
+	function newFromIDs( $ids ) {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'page', array( 'page_namespace', 'page_title' ),
+			'page_id IN (' . $dbr->makeList( $ids ) . ')', __METHOD__ );
+
+		$titles = array();
+		while ( $row = $dbr->fetchObject( $res ) ) {
+			$titles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
+		}
+		return $titles;
+	}
+
+	/**
+	 * Create a new Title from a namespace index and a DB key.
+	 * It's assumed that $ns and $title are *valid*, for instance when
+	 * they came directly from the database or a special page name.
+	 * For convenience, spaces are converted to underscores so that
+	 * eg user_text fields can be used directly.
+	 *
+	 * @param int $ns the namespace of the article
+	 * @param string $title the unprefixed database key form
+	 * @return Title the new object
+	 * @static
+	 * @access public
+	 */
+	function &makeTitle( $ns, $title ) {
+		$t =& new Title();
+		$t->mInterwiki = '';
+		$t->mFragment = '';
+		$t->mNamespace = intval( $ns );
+		$t->mDbkeyform = str_replace( ' ', '_', $title );
+		$t->mArticleID = ( $ns >= 0 ) ? -1 : 0;
+		$t->mUrlform = wfUrlencode( $t->mDbkeyform );
+		$t->mTextform = str_replace( '_', ' ', $title );
+		return $t;
+	}
+
+	/**
+	 * Create a new Title frrom a namespace index and a DB key.
+	 * The parameters will be checked for validity, which is a bit slower
+	 * than makeTitle() but safer for user-provided data.
+	 *
+	 * @param int $ns the namespace of the article
+	 * @param string $title the database key form
+	 * @return Title the new object, or NULL on an error
+	 * @static
+	 * @access public
+	 */
+	function makeTitleSafe( $ns, $title ) {
+		$t = new Title();
+		$t->mDbkeyform = Title::makeName( $ns, $title );
+		if( $t->secureAndSplit() ) {
+			return $t;
+		} else {
+			return NULL;
+		}
+ 	}
+
+	/**
+	 * Create a new Title for the Main Page
+	 *
+	 * @static
+	 * @return Title the new object
+	 * @access public
+	 */
+	function newMainPage() {
+		return Title::newFromText( wfMsgForContent( 'mainpage' ) );
+	}
+
+	/**
+	 * Create a new Title for a redirect
+	 * @param string $text the redirect title text
+	 * @return Title the new object, or NULL if the text is not a
+	 *	valid redirect
+	 * @static
+	 * @access public
+	 */
+	function newFromRedirect( $text ) {
+		$mwRedir = MagicWord::get( MAG_REDIRECT );
+		$rt = NULL;
+		if ( $mwRedir->matchStart( $text ) ) {
+			if ( preg_match( '/\[{2}(.*?)(?:\||\]{2})/', $text, $m ) ) {
+				# categories are escaped using : for example one can enter:
+				# #REDIRECT [[:Category:Music]]. Need to remove it.
+				if ( substr($m[1],0,1) == ':') {
+					# We don't want to keep the ':'
+					$m[1] = substr( $m[1], 1 );
+				}
+
+				$rt = Title::newFromText( $m[1] );
+				# Disallow redirects to Special:Userlogout
+				if ( !is_null($rt) && $rt->getNamespace() == NS_SPECIAL && preg_match( '/^Userlogout/i', $rt->getText() ) ) {
+					$rt = NULL;
+				}
+			}
+		}
+		return $rt;
+	}
+
+#----------------------------------------------------------------------------
+#	Static functions
+#----------------------------------------------------------------------------
+
+	/**
+	 * Get the prefixed DB key associated with an ID
+	 * @param int $id the page_id of the article
+	 * @return Title an object representing the article, or NULL
+	 * 	if no such article was found
+	 * @static
+	 * @access public
+	 */
+	function nameOf( $id ) {
+		$fname = 'Title::nameOf';
+		$dbr =& wfGetDB( DB_SLAVE );
+
+		$s = $dbr->selectRow( 'page', array( 'page_namespace','page_title' ),  array( 'page_id' => $id ), $fname );
+		if ( $s === false ) { return NULL; }
+
+		$n = Title::makeName( $s->page_namespace, $s->page_title );
+		return $n;
+	}
+
+	/**
+	 * Get a regex character class describing the legal characters in a link
+	 * @return string the list of characters, not delimited
+	 * @static
+	 * @access public
+	 */
+	function legalChars() {
+		global $wgLegalTitleChars;
+		return $wgLegalTitleChars;
+	}
+
+	/**
+	 * Get a string representation of a title suitable for
+	 * including in a search index
+	 *
+	 * @param int $ns a namespace index
+	 * @param string $title text-form main part
+	 * @return string a stripped-down title string ready for the
+	 * 	search index
+	 */
+	/* static */ function indexTitle( $ns, $title ) {
+		global $wgContLang;
+
+		$lc = SearchEngine::legalSearchChars() . '&#;';
+		$t = $wgContLang->stripForSearch( $title );
+		$t = preg_replace( "/[^{$lc}]+/", ' ', $t );
+		$t = strtolower( $t );
+
+		# Handle 's, s'
+		$t = preg_replace( "/([{$lc}]+)'s( |$)/", "\\1 \\1's ", $t );
+		$t = preg_replace( "/([{$lc}]+)s'( |$)/", "\\1s ", $t );
+
+		$t = preg_replace( "/\\s+/", ' ', $t );
+
+		if ( $ns == NS_IMAGE ) {
+			$t = preg_replace( "/ (png|gif|jpg|jpeg|ogg)$/", "", $t );
+		}
+		return trim( $t );
+	}
+
+	/*
+	 * Make a prefixed DB key from a DB key and a namespace index
+	 * @param int $ns numerical representation of the namespace
+	 * @param string $title the DB key form the title
+	 * @return string the prefixed form of the title
+	 */
+	/* static */ function makeName( $ns, $title ) {
+		global $wgContLang;
+
+		$n = $wgContLang->getNsText( $ns );
+		return $n == '' ? $title : "$n:$title";
+	}
+
+	/**
+	 * Returns the URL associated with an interwiki prefix
+	 * @param string $key the interwiki prefix (e.g. "MeatBall")
+	 * @return the associated URL, containing "$1", which should be
+	 * 	replaced by an article title
+	 * @static (arguably)
+	 * @access public
+	 */
+	function getInterwikiLink( $key )  {
+		global $wgMemc, $wgDBname, $wgInterwikiExpiry;
+		global $wgInterwikiCache;
+		$fname = 'Title::getInterwikiLink';
+
+		$key = strtolower( $key );
+
+		$k = $wgDBname.':interwiki:'.$key;
+		if( array_key_exists( $k, Title::$interwikiCache ) ) {
+			return Title::$interwikiCache[$k]->iw_url;
+		}
+
+		if ($wgInterwikiCache) {
+			return Title::getInterwikiCached( $key );
+		}
+
+		$s = $wgMemc->get( $k );
+		# Ignore old keys with no iw_local
+		if( $s && isset( $s->iw_local ) && isset($s->iw_trans)) {
+			Title::$interwikiCache[$k] = $s;
+			return $s->iw_url;
+		}
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'interwiki',
+			array( 'iw_url', 'iw_local', 'iw_trans' ),
+			array( 'iw_prefix' => $key ), $fname );
+		if( !$res ) {
+			return '';
+		}
+
+		$s = $dbr->fetchObject( $res );
+		if( !$s ) {
+			# Cache non-existence: create a blank object and save it to memcached
+			$s = (object)false;
+			$s->iw_url = '';
+			$s->iw_local = 0;
+			$s->iw_trans = 0;
+		}
+		$wgMemc->set( $k, $s, $wgInterwikiExpiry );
+		Title::$interwikiCache[$k] = $s;
+
+		return $s->iw_url;
+	}
+	
+	/**
+	 * Fetch interwiki prefix data from local cache in constant database
+	 *
+	 * More logic is explained in DefaultSettings
+	 *
+	 * @return string URL of interwiki site
+	 * @access public
+	 */
+	function getInterwikiCached( $key ) {
+		global $wgDBname, $wgInterwikiCache, $wgInterwikiScopes, $wgInterwikiFallbackSite;
+		static $db, $site;
+
+		if (!$db)
+			$db=dba_open($wgInterwikiCache,'r','cdb');
+		/* Resolve site name */
+		if ($wgInterwikiScopes>=3 and !$site) {
+			$site = dba_fetch("__sites:{$wgDBname}", $db);
+			if ($site=="")
+				$site = $wgInterwikiFallbackSite;
+		}
+		$value = dba_fetch("{$wgDBname}:{$key}", $db);
+		if ($value=='' and $wgInterwikiScopes>=3) {
+			/* try site-level */
+			$value = dba_fetch("_{$site}:{$key}", $db);
+		}
+		if ($value=='' and $wgInterwikiScopes>=2) {
+			/* try globals */
+			$value = dba_fetch("__global:{$key}", $db);
+		}
+		if ($value=='undef')
+			$value='';
+		$s = (object)false;
+		$s->iw_url = '';
+		$s->iw_local = 0;
+		$s->iw_trans = 0;
+		if ($value!='') {
+			list($local,$url)=explode(' ',$value,2);
+			$s->iw_url=$url;
+			$s->iw_local=(int)$local;
+		}
+		Title::$interwikiCache[$wgDBname.':interwiki:'.$key] = $s;
+		return $s->iw_url;
+	}
+	/**
+	 * Determine whether the object refers to a page within
+	 * this project.
+	 *
+	 * @return bool TRUE if this is an in-project interwiki link
+	 *	or a wikilink, FALSE otherwise
+	 * @access public
+	 */
+	function isLocal() {
+		global $wgDBname;
+
+		if ( $this->mInterwiki != '' ) {
+			# Make sure key is loaded into cache
+			$this->getInterwikiLink( $this->mInterwiki );
+			$k = $wgDBname.':interwiki:' . $this->mInterwiki;
+			return (bool)(Title::$interwikiCache[$k]->iw_local);
+		} else {
+			return true;
+		}
+	}
+
+	/**
+	 * Determine whether the object refers to a page within
+	 * this project and is transcludable.
+	 *
+	 * @return bool TRUE if this is transcludable
+	 * @access public
+	 */
+	function isTrans() {
+		global $wgDBname;
+
+		if ($this->mInterwiki == '')
+			return false;
+		# Make sure key is loaded into cache
+		$this->getInterwikiLink( $this->mInterwiki );
+		$k = $wgDBname.':interwiki:' . $this->mInterwiki;
+		return (bool)(Title::$interwikiCache[$k]->iw_trans);
+	}
+
+	/**
+	 * Update the page_touched field for an array of title objects
+	 * @todo Inefficient unless the IDs are already loaded into the
+	 *	link cache
+	 * @param array $titles an array of Title objects to be touched
+	 * @param string $timestamp the timestamp to use instead of the
+	 *	default current time
+	 * @static
+	 * @access public
+	 */
+	function touchArray( $titles, $timestamp = '' ) {
+
+		if ( count( $titles ) == 0 ) {
+			return;
+		}
+		$dbw =& wfGetDB( DB_MASTER );
+		if ( $timestamp == '' ) {
+			$timestamp = $dbw->timestamp();
+		}
+		/*
+		$page = $dbw->tableName( 'page' );
+		$sql = "UPDATE $page SET page_touched='{$timestamp}' WHERE page_id IN (";
+		$first = true;
+
+		foreach ( $titles as $title ) {
+			if ( $wgUseFileCache ) {
+				$cm = new CacheManager($title);
+				@unlink($cm->fileCacheName());
+			}
+
+			if ( ! $first ) {
+				$sql .= ',';
+			}
+			$first = false;
+			$sql .= $title->getArticleID();
+		}
+		$sql .= ')';
+		if ( ! $first ) {
+			$dbw->query( $sql, 'Title::touchArray' );
+		}
+		*/
+		// hack hack hack -- brion 2005-07-11. this was unfriendly to db.
+		// do them in small chunks:
+		$fname = 'Title::touchArray';
+		foreach( $titles as $title ) {
+			$dbw->update( 'page',
+				array( 'page_touched' => $timestamp ),
+				array(
+					'page_namespace' => $title->getNamespace(),
+					'page_title'     => $title->getDBkey() ),
+				$fname );
+		}
+	}
+
+#----------------------------------------------------------------------------
+#	Other stuff
+#----------------------------------------------------------------------------
+
+	/** Simple accessors */
+	/**
+	 * Get the text form (spaces not underscores) of the main part
+	 * @return string
+	 * @access public
+	 */
+	function getText() { return $this->mTextform; }
+	/**
+	 * Get the URL-encoded form of the main part
+	 * @return string
+	 * @access public
+	 */
+	function getPartialURL() { return $this->mUrlform; }
+	/**
+	 * Get the main part with underscores
+	 * @return string
+	 * @access public
+	 */
+	function getDBkey() { return $this->mDbkeyform; }
+	/**
+	 * Get the namespace index, i.e. one of the NS_xxxx constants
+	 * @return int
+	 * @access public
+	 */
+	function getNamespace() { return $this->mNamespace; }
+	/**
+	 * Get the namespace text
+	 * @return string
+	 * @access public
+	 */
+	function getNsText() {
+		global $wgContLang;
+		return $wgContLang->getNsText( $this->mNamespace );
+	}
+	/**
+	 * Get the namespace text of the subject (rather than talk) page
+	 * @return string
+	 * @access public
+	 */
+	function getSubjectNsText() {
+		global $wgContLang;
+		return $wgContLang->getNsText( Namespace::getSubject( $this->mNamespace ) );
+	}
+
+	/**
+	 * Get the namespace text of the talk page
+	 * @return string
+	 */
+	function getTalkNsText() {
+		global $wgContLang;
+		return( $wgContLang->getNsText( Namespace::getTalk( $this->mNamespace ) ) );
+	}
+	
+	/**
+	 * Could this title have a corresponding talk page?
+	 * @return bool
+	 */
+	function canTalk() {
+		return( Namespace::canTalk( $this->mNamespace ) );
+	}
+	
+	/**
+	 * Get the interwiki prefix (or null string)
+	 * @return string
+	 * @access public
+	 */
+	function getInterwiki() { return $this->mInterwiki; }
+	/**
+	 * Get the Title fragment (i.e. the bit after the #)
+	 * @return string
+	 * @access public
+	 */
+	function getFragment() { return $this->mFragment; }
+	/**
+	 * Get the default namespace index, for when there is no namespace
+	 * @return int
+	 * @access public
+	 */
+	function getDefaultNamespace() { return $this->mDefaultNamespace; }
+
+	/**
+	 * Get title for search index
+	 * @return string a stripped-down title string ready for the
+	 * 	search index
+	 */
+	function getIndexTitle() {
+		return Title::indexTitle( $this->mNamespace, $this->mTextform );
+	}
+
+	/**
+	 * Get the prefixed database key form
+	 * @return string the prefixed title, with underscores and
+	 * 	any interwiki and namespace prefixes
+	 * @access public
+	 */
+	function getPrefixedDBkey() {
+		$s = $this->prefix( $this->mDbkeyform );
+		$s = str_replace( ' ', '_', $s );
+		return $s;
+	}
+
+	/**
+	 * Get the prefixed title with spaces.
+	 * This is the form usually used for display
+	 * @return string the prefixed title, with spaces
+	 * @access public
+	 */
+	function getPrefixedText() {
+		if ( empty( $this->mPrefixedText ) ) { // FIXME: bad usage of empty() ?
+			$s = $this->prefix( $this->mTextform );
+			$s = str_replace( '_', ' ', $s );
+			$this->mPrefixedText = $s;
+		}
+		return $this->mPrefixedText;
+	}
+
+	/**
+	 * Get the prefixed title with spaces, plus any fragment
+	 * (part beginning with '#')
+	 * @return string the prefixed title, with spaces and
+	 * 	the fragment, including '#'
+	 * @access public
+	 */
+	function getFullText() {
+		$text = $this->getPrefixedText();
+		if( '' != $this->mFragment ) {
+			$text .= '#' . $this->mFragment;
+		}
+		return $text;
+	}
+
+	/**
+	 * Get the base name, i.e. the leftmost parts before the /
+	 * @return string Base name
+	 */
+	function getBaseText() {
+		global $wgNamespacesWithSubpages;
+		if( isset( $wgNamespacesWithSubpages[ $this->mNamespace ] ) && $wgNamespacesWithSubpages[ $this->mNamespace ] ) {
+			$parts = explode( '/', $this->getText() );
+			# Don't discard the real title if there's no subpage involved
+			if( count( $parts ) > 1 )
+				unset( $parts[ count( $parts ) - 1 ] );
+			return implode( '/', $parts );
+		} else {
+			return $this->getText();
+		}
+	}
+
+	/**
+	 * Get the lowest-level subpage name, i.e. the rightmost part after /
+	 * @return string Subpage name
+	 */
+	function getSubpageText() {
+		global $wgNamespacesWithSubpages;
+		if( isset( $wgNamespacesWithSubpages[ $this->mNamespace ] ) && $wgNamespacesWithSubpages[ $this->mNamespace ] ) {
+			$parts = explode( '/', $this->mTextform );
+			return( $parts[ count( $parts ) - 1 ] );
+		} else {
+			return( $this->mTextform );
+		}
+	}
+	
+	/**
+	 * Get a URL-encoded form of the subpage text
+	 * @return string URL-encoded subpage name
+	 */
+	function getSubpageUrlForm() {
+		$text = $this->getSubpageText();
+		$text = wfUrlencode( str_replace( ' ', '_', $text ) );
+		$text = str_replace( '%28', '(', str_replace( '%29', ')', $text ) ); # Clean up the URL; per below, this might not be safe
+		return( $text );
+	}
+
+	/**
+	 * Get a URL-encoded title (not an actual URL) including interwiki
+	 * @return string the URL-encoded form
+	 * @access public
+	 */
+	function getPrefixedURL() {
+		$s = $this->prefix( $this->mDbkeyform );
+		$s = str_replace( ' ', '_', $s );
+
+		$s = wfUrlencode ( $s ) ;
+
+		# Cleaning up URL to make it look nice -- is this safe?
+		$s = str_replace( '%28', '(', $s );
+		$s = str_replace( '%29', ')', $s );
+
+		return $s;
+	}
+
+	/**
+	 * Get a real URL referring to this title, with interwiki link and
+	 * fragment
+	 *
+	 * @param string $query an optional query string, not used
+	 * 	for interwiki links
+	 * @return string the URL
+	 * @access public
+	 */
+	function getFullURL( $query = '' ) {
+		global $wgContLang, $wgServer, $wgRequest;
+
+		if ( '' == $this->mInterwiki ) {
+			$url = $this->getLocalUrl( $query );
+
+			// Ugly quick hack to avoid duplicate prefixes (bug 4571 etc)
+			// Correct fix would be to move the prepending elsewhere.
+			if ($wgRequest->getVal('action') != 'render') {
+				$url = $wgServer . $url;
+			}
+		} else {
+			$baseUrl = $this->getInterwikiLink( $this->mInterwiki );
+
+			$namespace = $wgContLang->getNsText( $this->mNamespace );
+			if ( '' != $namespace ) {
+				# Can this actually happen? Interwikis shouldn't be parsed.
+				$namespace .= ':';
+			}
+			$url = str_replace( '$1', $namespace . $this->mUrlform, $baseUrl );
+			if( $query != '' ) {
+				if( false === strpos( $url, '?' ) ) {
+					$url .= '?';
+				} else {
+					$url .= '&';
+				}
+				$url .= $query;
+			}
+		}
+
+		# Finally, add the fragment.
+		if ( '' != $this->mFragment ) {
+			$url .= '#' . $this->mFragment;
+		}
+
+		wfRunHooks( 'GetFullURL', array( &$this, &$url, $query ) );
+		return $url;
+	}
+
+	/**
+	 * Get a URL with no fragment or server name.  If this page is generated
+	 * with action=render, $wgServer is prepended.
+	 * @param string $query an optional query string; if not specified,
+	 * 	$wgArticlePath will be used.
+	 * @return string the URL
+	 * @access public
+	 */
+	function getLocalURL( $query = '' ) {
+		global $wgArticlePath, $wgScript, $wgServer, $wgRequest;
+
+		if ( $this->isExternal() ) {
+			$url = $this->getFullURL();
+			if ( $query ) {
+				// This is currently only used for edit section links in the
+				// context of interwiki transclusion. In theory we should
+				// append the query to the end of any existing query string,
+				// but interwiki transclusion is already broken in that case.
+				$url .= "?$query";
+			}
+		} else {
+			$dbkey = wfUrlencode( $this->getPrefixedDBkey() );
+			if ( $query == '' ) {
+				$url = str_replace( '$1', $dbkey, $wgArticlePath );
+			} else {
+				global $wgActionPaths;
+				$url = false;
+				if( !empty( $wgActionPaths ) &&
+					preg_match( '/^(.*&|)action=([^&]*)(&(.*)|)$/', $query, $matches ) )
+				{
+					$action = urldecode( $matches[2] );
+					if( isset( $wgActionPaths[$action] ) ) {
+						$query = $matches[1];
+						if( isset( $matches[4] ) ) $query .= $matches[4];
+						$url = str_replace( '$1', $dbkey, $wgActionPaths[$action] );
+						if( $query != '' ) $url .= '?' . $query;
+					}
+				}
+				if ( $url === false ) {
+					if ( $query == '-' ) {
+						$query = '';
+					}
+					$url = "{$wgScript}?title={$dbkey}&{$query}";
+				}
+			}
+			
+			// FIXME: this causes breakage in various places when we
+			// actually expected a local URL and end up with dupe prefixes.
+			if ($wgRequest->getVal('action') == 'render') {
+				$url = $wgServer . $url;
+			}
+		}
+		wfRunHooks( 'GetLocalURL', array( &$this, &$url, $query ) );
+		return $url;
+	}
+
+	/**
+	 * Get an HTML-escaped version of the URL form, suitable for
+	 * using in a link, without a server name or fragment
+	 * @param string $query an optional query string
+	 * @return string the URL
+	 * @access public
+	 */
+	function escapeLocalURL( $query = '' ) {
+		return htmlspecialchars( $this->getLocalURL( $query ) );
+	}
+
+	/**
+	 * Get an HTML-escaped version of the URL form, suitable for
+	 * using in a link, including the server name and fragment
+	 *
+	 * @return string the URL
+	 * @param string $query an optional query string
+	 * @access public
+	 */
+	function escapeFullURL( $query = '' ) {
+		return htmlspecialchars( $this->getFullURL( $query ) );
+	}
+
+	/**
+	 * Get the URL form for an internal link.
+	 * - Used in various Squid-related code, in case we have a different
+	 * internal hostname for the server from the exposed one.
+	 *
+	 * @param string $query an optional query string
+	 * @return string the URL
+	 * @access public
+	 */
+	function getInternalURL( $query = '' ) {
+		global $wgInternalServer;
+		$url = $wgInternalServer . $this->getLocalURL( $query );
+		wfRunHooks( 'GetInternalURL', array( &$this, &$url, $query ) );
+		return $url;
+	}
+
+	/**
+	 * Get the edit URL for this Title
+	 * @return string the URL, or a null string if this is an
+	 * 	interwiki link
+	 * @access public
+	 */
+	function getEditURL() {
+		if ( '' != $this->mInterwiki ) { return ''; }
+		$s = $this->getLocalURL( 'action=edit' );
+
+		return $s;
+	}
+
+	/**
+	 * Get the HTML-escaped displayable text form.
+	 * Used for the title field in <a> tags.
+	 * @return string the text, including any prefixes
+	 * @access public
+	 */
+	function getEscapedText() {
+		return htmlspecialchars( $this->getPrefixedText() );
+	}
+
+	/**
+	 * Is this Title interwiki?
+	 * @return boolean
+	 * @access public
+	 */
+	function isExternal() { return ( '' != $this->mInterwiki ); }
+
+	/**
+	 * Is this page "semi-protected" - the *only* protection is autoconfirm?
+	 *
+	 * @param string Action to check (default: edit)
+	 * @return bool
+	 */
+	function isSemiProtected( $action = 'edit' ) {
+		$restrictions = $this->getRestrictions( $action );
+		# We do a full compare because this could be an array
+		foreach( $restrictions as $restriction ) {
+			if( strtolower( $restriction ) != 'autoconfirmed' ) {
+				return( false );
+			}
+		}
+		return( true );
+	}
+
+	/**
+	 * Does the title correspond to a protected article?
+	 * @param string $what the action the page is protected from,
+	 *	by default checks move and edit
+	 * @return boolean
+	 * @access public
+	 */
+	function isProtected( $action = '' ) {
+		global $wgRestrictionLevels;
+		if ( -1 == $this->mNamespace ) { return true; }
+				
+		if( $action == 'edit' || $action == '' ) {
+			$r = $this->getRestrictions( 'edit' );
+			foreach( $wgRestrictionLevels as $level ) {
+				if( in_array( $level, $r ) && $level != '' ) {
+					return( true );
+				}
+			}
+		}
+		
+		if( $action == 'move' || $action == '' ) {
+			$r = $this->getRestrictions( 'move' );
+			foreach( $wgRestrictionLevels as $level ) {
+				if( in_array( $level, $r ) && $level != '' ) {
+					return( true );
+				}
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Is $wgUser is watching this page?
+	 * @return boolean
+	 * @access public
+	 */
+	function userIsWatching() {
+		global $wgUser;
+
+		if ( is_null( $this->mWatched ) ) {
+			if ( -1 == $this->mNamespace || 0 == $wgUser->getID()) {
+				$this->mWatched = false;
+			} else {
+				$this->mWatched = $wgUser->isWatched( $this );
+			}
+		}
+		return $this->mWatched;
+	}
+
+ 	/**
+	 * Can $wgUser perform $action this page?
+	 * @param string $action action that permission needs to be checked for
+	 * @return boolean
+	 * @private
+ 	 */
+	function userCan($action) {
+		$fname = 'Title::userCan';
+		wfProfileIn( $fname );
+
+		global $wgUser;
+
+		$result = null;
+		wfRunHooks( 'userCan', array( &$this, &$wgUser, $action, &$result ) );
+		if ( $result !== null ) {
+			wfProfileOut( $fname );
+			return $result;
+		}
+
+		if( NS_SPECIAL == $this->mNamespace ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+		// XXX: This is the code that prevents unprotecting a page in NS_MEDIAWIKI
+		// from taking effect -ævar
+		if( NS_MEDIAWIKI == $this->mNamespace &&
+		    !$wgUser->isAllowed('editinterface') ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		if( $this->mDbkeyform == '_' ) {
+			# FIXME: Is this necessary? Shouldn't be allowed anyway...
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		# protect css/js subpages of user pages
+		# XXX: this might be better using restrictions
+		# XXX: Find a way to work around the php bug that prevents using $this->userCanEditCssJsSubpage() from working
+		if( NS_USER == $this->mNamespace
+			&& preg_match("/\\.(css|js)$/", $this->mTextform )
+			&& !$wgUser->isAllowed('editinterface')
+			&& !preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		foreach( $this->getRestrictions($action) as $right ) {
+			// Backwards compatibility, rewrite sysop -> protect
+			if ( $right == 'sysop' ) {
+				$right = 'protect';
+			}
+			if( '' != $right && !$wgUser->isAllowed( $right ) ) {
+				wfProfileOut( $fname );
+				return false;
+			}
+		}
+
+		if( $action == 'move' &&
+			!( $this->isMovable() && $wgUser->isAllowed( 'move' ) ) ) {
+			wfProfileOut( $fname );
+			return false;
+		}
+
+		if( $action == 'create' ) {
+			if( (  $this->isTalkPage() && !$wgUser->isAllowed( 'createtalk' ) ) ||
+				( !$this->isTalkPage() && !$wgUser->isAllowed( 'createpage' ) ) ) {
+				return false;
+			}
+		}
+
+		wfProfileOut( $fname );
+		return true;
+	}
+
+	/**
+	 * Can $wgUser edit this page?
+	 * @return boolean
+	 * @access public
+	 */
+	function userCanEdit() {
+		return $this->userCan('edit');
+	}
+
+	/**
+	 * Can $wgUser create this page?
+	 * @return boolean
+	 * @access public
+	 */
+	function userCanCreate() {
+		return $this->userCan('create');
+	}
+
+	/**
+	 * Can $wgUser move this page?
+	 * @return boolean
+	 * @access public
+	 */
+	function userCanMove() {
+		return $this->userCan('move');
+	}
+
+	/**
+	 * Would anybody with sufficient privileges be able to move this page?
+	 * Some pages just aren't movable.
+	 *
+	 * @return boolean
+	 * @access public
+	 */
+	function isMovable() {
+		return Namespace::isMovable( $this->getNamespace() )
+			&& $this->getInterwiki() == '';
+	}
+
+	/**
+	 * Can $wgUser read this page?
+	 * @return boolean
+	 * @access public
+	 */
+	function userCanRead() {
+		global $wgUser;
+
+		$result = null;
+		wfRunHooks( 'userCan', array( &$this, &$wgUser, 'read', &$result ) );
+		if ( $result !== null ) {
+			return $result;
+		}
+
+		if( $wgUser->isAllowed('read') ) {
+			return true;
+		} else {
+			global $wgWhitelistRead;
+
+			/** If anon users can create an account,
+			    they need to reach the login page first! */
+			if( $wgUser->isAllowed( 'createaccount' )
+			    && $this->getNamespace() == NS_SPECIAL
+			    && $this->getText() == 'Userlogin' ) {
+				return true;
+			}
+
+			/** some pages are explicitly allowed */
+			$name = $this->getPrefixedText();
+			if( $wgWhitelistRead && in_array( $name, $wgWhitelistRead ) ) {
+				return true;
+			}
+
+			# Compatibility with old settings
+			if( $wgWhitelistRead && $this->getNamespace() == NS_MAIN ) {
+				if( in_array( ':' . $name, $wgWhitelistRead ) ) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Is this a talk page of some sort?
+	 * @return bool
+	 * @access public
+	 */
+	function isTalkPage() {
+		return Namespace::isTalk( $this->getNamespace() );
+	}
+
+	/**
+	 * Is this a .css or .js subpage of a user page?
+	 * @return bool
+	 * @access public
+	 */
+	function isCssJsSubpage() {
+		return ( NS_USER == $this->mNamespace and preg_match("/\\.(css|js)$/", $this->mTextform ) );
+	}
+	/**
+	 * Is this a *valid* .css or .js subpage of a user page?
+	 * Check that the corresponding skin exists
+	 */
+	function isValidCssJsSubpage() {
+		if ( $this->isCssJsSubpage() ) {
+			$skinNames = Skin::getSkinNames();
+			return array_key_exists( $this->getSkinFromCssJsSubpage(), $skinNames );
+		} else {
+			return false;
+		}
+	}
+	/**
+	 * Trim down a .css or .js subpage title to get the corresponding skin name
+	 */
+	function getSkinFromCssJsSubpage() {
+		$subpage = explode( '/', $this->mTextform );
+		$subpage = $subpage[ count( $subpage ) - 1 ];
+		return( str_replace( array( '.css', '.js' ), array( '', '' ), $subpage ) );
+	}
+	/**
+	 * Is this a .css subpage of a user page?
+	 * @return bool
+	 * @access public
+	 */
+	function isCssSubpage() {
+		return ( NS_USER == $this->mNamespace and preg_match("/\\.css$/", $this->mTextform ) );
+	}
+	/**
+	 * Is this a .js subpage of a user page?
+	 * @return bool
+	 * @access public
+	 */
+	function isJsSubpage() {
+		return ( NS_USER == $this->mNamespace and preg_match("/\\.js$/", $this->mTextform ) );
+	}
+	/**
+	 * Protect css/js subpages of user pages: can $wgUser edit
+	 * this page?
+	 *
+	 * @return boolean
+	 * @todo XXX: this might be better using restrictions
+	 * @access public
+	 */
+	function userCanEditCssJsSubpage() {
+		global $wgUser;
+		return ( $wgUser->isAllowed('editinterface') or preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) );
+	}
+
+	/**
+	 * Loads a string into mRestrictions array
+	 * @param string $res restrictions in string format
+	 * @access public
+	 */
+	function loadRestrictions( $res ) {
+		foreach( explode( ':', trim( $res ) ) as $restrict ) {
+			$temp = explode( '=', trim( $restrict ) );
+			if(count($temp) == 1) {
+				// old format should be treated as edit/move restriction
+				$this->mRestrictions["edit"] = explode( ',', trim( $temp[0] ) );
+				$this->mRestrictions["move"] = explode( ',', trim( $temp[0] ) );
+			} else {
+				$this->mRestrictions[$temp[0]] = explode( ',', trim( $temp[1] ) );
+			}
+		}
+		$this->mRestrictionsLoaded = true;
+	}
+
+	/**
+	 * Accessor/initialisation for mRestrictions
+	 * @param string $action action that permission needs to be checked for
+	 * @return array the array of groups allowed to edit this article
+	 * @access public
+	 */
+	function getRestrictions($action) {
+		$id = $this->getArticleID();
+		if ( 0 == $id ) { return array(); }
+
+		if ( ! $this->mRestrictionsLoaded ) {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$res = $dbr->selectField( 'page', 'page_restrictions', 'page_id='.$id );
+			$this->loadRestrictions( $res );
+		}
+		if( isset( $this->mRestrictions[$action] ) ) {
+			return $this->mRestrictions[$action];
+		}
+		return array();
+	}
+
+	/**
+	 * Is there a version of this page in the deletion archive?
+	 * @return int the number of archived revisions
+	 * @access public
+	 */
+	function isDeleted() {
+		$fname = 'Title::isDeleted';
+		if ( $this->getNamespace() < 0 ) {
+			$n = 0;
+		} else {
+			$dbr =& wfGetDB( DB_SLAVE );
+			$n = $dbr->selectField( 'archive', 'COUNT(*)', array( 'ar_namespace' => $this->getNamespace(),
+				'ar_title' => $this->getDBkey() ), $fname );
+			if( $this->getNamespace() == NS_IMAGE ) {
+				$n += $dbr->selectField( 'filearchive', 'COUNT(*)',
+					array( 'fa_name' => $this->getDBkey() ), $fname );
+			}
+		}
+		return (int)$n;
+	}
+
+	/**
+	 * Get the article ID for this Title from the link cache,
+	 * adding it if necessary
+	 * @param int $flags a bit field; may be GAID_FOR_UPDATE to select
+	 * 	for update
+	 * @return int the ID
+	 * @access public
+	 */
+	function getArticleID( $flags = 0 ) {
+		$linkCache =& LinkCache::singleton();
+		if ( $flags & GAID_FOR_UPDATE ) {
+			$oldUpdate = $linkCache->forUpdate( true );
+			$this->mArticleID = $linkCache->addLinkObj( $this );
+			$linkCache->forUpdate( $oldUpdate );
+		} else {
+			if ( -1 == $this->mArticleID ) {
+				$this->mArticleID = $linkCache->addLinkObj( $this );
+			}
+		}
+		return $this->mArticleID;
+	}
+
+	function getLatestRevID() {
+		if ($this->mLatestID !== false)
+			return $this->mLatestID;
+
+		$db =& wfGetDB(DB_SLAVE);
+		return $this->mLatestID = $db->selectField( 'revision',
+			"max(rev_id)",
+			array('rev_page' => $this->getArticleID()),
+			'Title::getLatestRevID' );
+	}
+
+	/**
+	 * This clears some fields in this object, and clears any associated
+	 * keys in the "bad links" section of the link cache.
+	 *
+	 * - This is called from Article::insertNewArticle() to allow
+	 * loading of the new page_id. It's also called from
+	 * Article::doDeleteArticle()
+	 *
+	 * @param int $newid the new Article ID
+	 * @access public
+	 */
+	function resetArticleID( $newid ) {
+		$linkCache =& LinkCache::singleton();
+		$linkCache->clearBadLink( $this->getPrefixedDBkey() );
+
+		if ( 0 == $newid ) { $this->mArticleID = -1; }
+		else { $this->mArticleID = $newid; }
+		$this->mRestrictionsLoaded = false;
+		$this->mRestrictions = array();
+	}
+
+	/**
+	 * Updates page_touched for this page; called from LinksUpdate.php
+	 * @return bool true if the update succeded
+	 * @access public
+	 */
+	function invalidateCache() {
+		global $wgUseFileCache;
+
+		if ( wfReadOnly() ) {
+			return;
+		}
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$success = $dbw->update( 'page',
+			array( /* SET */
+				'page_touched' => $dbw->timestamp()
+			), array( /* WHERE */
+				'page_namespace' => $this->getNamespace() ,
+				'page_title' => $this->getDBkey()
+			), 'Title::invalidateCache'
+		);
+
+		if ($wgUseFileCache) {
+			$cache = new CacheManager($this);
+			@unlink($cache->fileCacheName());
+		}
+
+		return $success;
+	}
+
+	/**
+	 * Prefix some arbitrary text with the namespace or interwiki prefix
+	 * of this object
+	 *
+	 * @param string $name the text
+	 * @return string the prefixed text
+	 * @private
+	 */
+	/* private */ function prefix( $name ) {
+		global $wgContLang;
+
+		$p = '';
+		if ( '' != $this->mInterwiki ) {
+			$p = $this->mInterwiki . ':';
+		}
+		if ( 0 != $this->mNamespace ) {
+			$p .= $wgContLang->getNsText( $this->mNamespace ) . ':';
+		}
+		return $p . $name;
+	}
+
+	/**
+	 * Secure and split - main initialisation function for this object
+	 *
+	 * Assumes that mDbkeyform has been set, and is urldecoded
+	 * and uses underscores, but not otherwise munged.  This function
+	 * removes illegal characters, splits off the interwiki and
+	 * namespace prefixes, sets the other forms, and canonicalizes
+	 * everything.
+	 * @return bool true on success
+	 * @private
+	 */
+	/* private */ function secureAndSplit() {
+		global $wgContLang, $wgLocalInterwiki, $wgCapitalLinks;
+		$fname = 'Title::secureAndSplit';
+
+		# Initialisation
+		static $rxTc = false;
+		if( !$rxTc ) {
+			# % is needed as well
+			$rxTc = '/[^' . Title::legalChars() . ']|%[0-9A-Fa-f]{2}/S';
+		}
+
+		$this->mInterwiki = $this->mFragment = '';
+		$this->mNamespace = $this->mDefaultNamespace; # Usually NS_MAIN
+
+		# Clean up whitespace
+		#
+		$t = preg_replace( '/[ _]+/', '_', $this->mDbkeyform );
+		$t = trim( $t, '_' );
+
+		if ( '' == $t ) {
+			return false;
+		}
+
+		if( false !== strpos( $t, UTF8_REPLACEMENT ) ) {
+			# Contained illegal UTF-8 sequences or forbidden Unicode chars.
+			return false;
+		}
+
+		$this->mDbkeyform = $t;
+
+		# Initial colon indicates main namespace rather than specified default
+		# but should not create invalid {ns,title} pairs such as {0,Project:Foo}
+		if ( ':' == $t{0} ) {
+			$this->mNamespace = NS_MAIN;
+			$t = substr( $t, 1 ); # remove the colon but continue processing
+		}
+
+		# Namespace or interwiki prefix
+		$firstPass = true;
+		do {
+			if ( preg_match( "/^(.+?)_*:_*(.*)$/S", $t, $m ) ) {
+				$p = $m[1];
+				$lowerNs = strtolower( $p );
+				if ( $ns = Namespace::getCanonicalIndex( $lowerNs ) ) {
+					# Canonical namespace
+					$t = $m[2];
+					$this->mNamespace = $ns;
+				} elseif ( $ns = $wgContLang->getNsIndex( $lowerNs )) {
+					# Ordinary namespace
+					$t = $m[2];
+					$this->mNamespace = $ns;
+				} elseif( $this->getInterwikiLink( $p ) ) {
+					if( !$firstPass ) {
+						# Can't make a local interwiki link to an interwiki link.
+						# That's just crazy!
+						return false;
+					}
+
+					# Interwiki link
+					$t = $m[2];
+					$this->mInterwiki = strtolower( $p );
+
+					# Redundant interwiki prefix to the local wiki
+					if ( 0 == strcasecmp( $this->mInterwiki, $wgLocalInterwiki ) ) {
+						if( $t == '' ) {
+							# Can't have an empty self-link
+							return false;
+						}
+						$this->mInterwiki = '';
+						$firstPass = false;
+						# Do another namespace split...
+						continue;
+					}
+
+					# If there's an initial colon after the interwiki, that also
+					# resets the default namespace
+					if ( $t !== '' && $t[0] == ':' ) {
+						$this->mNamespace = NS_MAIN;
+						$t = substr( $t, 1 );
+					}
+				}
+				# If there's no recognized interwiki or namespace,
+				# then let the colon expression be part of the title.
+			}
+			break;
+		} while( true );
+		$r = $t;
+
+		# We already know that some pages won't be in the database!
+		#
+		if ( '' != $this->mInterwiki || -1 == $this->mNamespace ) {
+			$this->mArticleID = 0;
+		}
+		$f = strstr( $r, '#' );
+		if ( false !== $f ) {
+			$this->mFragment = substr( $f, 1 );
+			$r = substr( $r, 0, strlen( $r ) - strlen( $f ) );
+			# remove whitespace again: prevents "Foo_bar_#"
+			# becoming "Foo_bar_"
+			$r = preg_replace( '/_*$/', '', $r );
+		}
+
+		# Reject illegal characters.
+		#
+		if( preg_match( $rxTc, $r ) ) {
+			return false;
+		}
+
+		/**
+		 * Pages with "/./" or "/../" appearing in the URLs will
+		 * often be unreachable due to the way web browsers deal
+		 * with 'relative' URLs. Forbid them explicitly.
+		 */
+		if ( strpos( $r, '.' ) !== false &&
+		     ( $r === '.' || $r === '..' ||
+		       strpos( $r, './' ) === 0  ||
+		       strpos( $r, '../' ) === 0 ||
+		       strpos( $r, '/./' ) !== false ||
+		       strpos( $r, '/../' ) !== false ) )
+		{
+			return false;
+		}
+
+		# We shouldn't need to query the DB for the size.
+		#$maxSize = $dbr->textFieldSize( 'page', 'page_title' );
+		if ( strlen( $r ) > 255 ) {
+			return false;
+		}
+
+		/**
+		 * Normally, all wiki links are forced to have
+		 * an initial capital letter so [[foo]] and [[Foo]]
+		 * point to the same place.
+		 *
+		 * Don't force it for interwikis, since the other
+		 * site might be case-sensitive.
+		 */
+		if( $wgCapitalLinks && $this->mInterwiki == '') {
+			$t = $wgContLang->ucfirst( $r );
+		} else {
+			$t = $r;
+		}
+
+		/**
+		 * Can't make a link to a namespace alone...
+		 * "empty" local links can only be self-links
+		 * with a fragment identifier.
+		 */
+		if( $t == '' &&
+			$this->mInterwiki == '' &&
+			$this->mNamespace != NS_MAIN ) {
+			return false;
+		}
+
+		// Any remaining initial :s are illegal.
+		if ( $t !== '' && ':' == $t{0} ) {
+			return false;
+		}
+		
+		# Fill fields
+		$this->mDbkeyform = $t;
+		$this->mUrlform = wfUrlencode( $t );
+
+		$this->mTextform = str_replace( '_', ' ', $t );
+
+		return true;
+	}
+
+	/**
+	 * Get a Title object associated with the talk page of this article
+	 * @return Title the object for the talk page
+	 * @access public
+	 */
+	function getTalkPage() {
+		return Title::makeTitle( Namespace::getTalk( $this->getNamespace() ), $this->getDBkey() );
+	}
+
+	/**
+	 * Get a title object associated with the subject page of this
+	 * talk page
+	 *
+	 * @return Title the object for the subject page
+	 * @access public
+	 */
+	function getSubjectPage() {
+		return Title::makeTitle( Namespace::getSubject( $this->getNamespace() ), $this->getDBkey() );
+	}
+
+	/**
+	 * Get an array of Title objects linking to this Title
+	 * Also stores the IDs in the link cache.
+	 *
+	 * WARNING: do not use this function on arbitrary user-supplied titles!
+	 * On heavily-used templates it will max out the memory.
+	 *
+	 * @param string $options may be FOR UPDATE
+	 * @return array the Title objects linking here
+	 * @access public
+	 */
+	function getLinksTo( $options = '', $table = 'pagelinks', $prefix = 'pl' ) {
+		$linkCache =& LinkCache::singleton();
+		$id = $this->getArticleID();
+
+		if ( $options ) {
+			$db =& wfGetDB( DB_MASTER );
+		} else {
+			$db =& wfGetDB( DB_SLAVE );
+		}
+
+		$res = $db->select( array( 'page', $table ),
+			array( 'page_namespace', 'page_title', 'page_id' ),
+			array(
+				"{$prefix}_from=page_id",
+				"{$prefix}_namespace" => $this->getNamespace(),
+				"{$prefix}_title"     => $this->getDbKey() ),
+			'Title::getLinksTo',
+			$options );
+
+		$retVal = array();
+		if ( $db->numRows( $res ) ) {
+			while ( $row = $db->fetchObject( $res ) ) {
+				if ( $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title ) ) {
+					$linkCache->addGoodLinkObj( $row->page_id, $titleObj );
+					$retVal[] = $titleObj;
+				}
+			}
+		}
+		$db->freeResult( $res );
+		return $retVal;
+	}
+
+	/**
+	 * Get an array of Title objects using this Title as a template
+	 * Also stores the IDs in the link cache.
+	 *
+	 * WARNING: do not use this function on arbitrary user-supplied titles!
+	 * On heavily-used templates it will max out the memory.
+	 *
+	 * @param string $options may be FOR UPDATE
+	 * @return array the Title objects linking here
+	 * @access public
+	 */
+	function getTemplateLinksTo( $options = '' ) {
+		return $this->getLinksTo( $options, 'templatelinks', 'tl' );
+	}
+
+	/**
+	 * Get an array of Title objects referring to non-existent articles linked from this page
+	 *
+	 * @param string $options may be FOR UPDATE
+	 * @return array the Title objects
+	 * @access public
+	 */
+	function getBrokenLinksFrom( $options = '' ) {
+		if ( $options ) {
+			$db =& wfGetDB( DB_MASTER );
+		} else {
+			$db =& wfGetDB( DB_SLAVE );
+		}
+
+		$res = $db->safeQuery(
+			  "SELECT pl_namespace, pl_title
+			     FROM !
+			LEFT JOIN !
+			       ON pl_namespace=page_namespace
+			      AND pl_title=page_title
+			    WHERE pl_from=?
+			      AND page_namespace IS NULL
+				  !",
+			$db->tableName( 'pagelinks' ),
+			$db->tableName( 'page' ),
+			$this->getArticleId(),
+			$options );
+
+		$retVal = array();
+		if ( $db->numRows( $res ) ) {
+			while ( $row = $db->fetchObject( $res ) ) {
+				$retVal[] = Title::makeTitle( $row->pl_namespace, $row->pl_title );
+			}
+		}
+		$db->freeResult( $res );
+		return $retVal;
+	}
+
+
+	/**
+	 * Get a list of URLs to purge from the Squid cache when this
+	 * page changes
+	 *
+	 * @return array the URLs
+	 * @access public
+	 */
+	function getSquidURLs() {
+		return array(
+			$this->getInternalURL(),
+			$this->getInternalURL( 'action=history' )
+		);
+	}
+
+	function purgeSquid() {
+		global $wgUseSquid;
+		if ( $wgUseSquid ) {
+			$urls = $this->getSquidURLs();
+			$u = new SquidUpdate( $urls );
+			$u->doUpdate();
+		}
+	}
+
+	/**
+	 * Move this page without authentication
+	 * @param Title &$nt the new page Title
+	 * @access public
+	 */
+	function moveNoAuth( &$nt ) {
+		return $this->moveTo( $nt, false );
+	}
+
+	/**
+	 * Check whether a given move operation would be valid.
+	 * Returns true if ok, or a message key string for an error message
+	 * if invalid. (Scarrrrry ugly interface this.)
+	 * @param Title &$nt the new title
+	 * @param bool $auth indicates whether $wgUser's permissions
+	 * 	should be checked
+	 * @return mixed true on success, message name on failure
+	 * @access public
+	 */
+	function isValidMoveOperation( &$nt, $auth = true ) {
+		if( !$this or !$nt ) {
+			return 'badtitletext';
+		}
+		if( $this->equals( $nt ) ) {
+			return 'selfmove';
+		}
+		if( !$this->isMovable() || !$nt->isMovable() ) {
+			return 'immobile_namespace';
+		}
+
+		$oldid = $this->getArticleID();
+		$newid = $nt->getArticleID();
+
+		if ( strlen( $nt->getDBkey() ) < 1 ) {
+			return 'articleexists';
+		}
+		if ( ( '' == $this->getDBkey() ) ||
+			 ( !$oldid ) ||
+		     ( '' == $nt->getDBkey() ) ) {
+			return 'badarticleerror';
+		}
+
+		if ( $auth && (
+				!$this->userCanEdit() || !$nt->userCanEdit() ||
+				!$this->userCanMove() || !$nt->userCanMove() ) ) {
+			return 'protectedpage';
+		}
+
+		# The move is allowed only if (1) the target doesn't exist, or
+		# (2) the target is a redirect to the source, and has no history
+		# (so we can undo bad moves right after they're done).
+
+		if ( 0 != $newid ) { # Target exists; check for validity
+			if ( ! $this->isValidMoveTarget( $nt ) ) {
+				return 'articleexists';
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Move a title to a new location
+	 * @param Title &$nt the new title
+	 * @param bool $auth indicates whether $wgUser's permissions
+	 * 	should be checked
+	 * @return mixed true on success, message name on failure
+	 * @access public
+	 */
+	function moveTo( &$nt, $auth = true, $reason = '' ) {
+		$err = $this->isValidMoveOperation( $nt, $auth );
+		if( is_string( $err ) ) {
+			return $err;
+		}
+
+		$pageid = $this->getArticleID();
+		if( $nt->exists() ) {
+			$this->moveOverExistingRedirect( $nt, $reason );
+			$pageCountChange = 0;
+		} else { # Target didn't exist, do normal move.
+			$this->moveToNewTitle( $nt, $reason );
+			$pageCountChange = 1;
+		}
+		$redirid = $this->getArticleID();
+
+		# Fixing category links (those without piped 'alternate' names) to be sorted under the new title
+		$dbw =& wfGetDB( DB_MASTER );
+		$categorylinks = $dbw->tableName( 'categorylinks' );
+		$sql = "UPDATE $categorylinks SET cl_sortkey=" . $dbw->addQuotes( $nt->getPrefixedText() ) .
+			" WHERE cl_from=" . $dbw->addQuotes( $pageid ) .
+			" AND cl_sortkey=" . $dbw->addQuotes( $this->getPrefixedText() );
+		$dbw->query( $sql, 'SpecialMovepage::doSubmit' );
+
+		# Update watchlists
+
+		$oldnamespace = $this->getNamespace() & ~1;
+		$newnamespace = $nt->getNamespace() & ~1;
+		$oldtitle = $this->getDBkey();
+		$newtitle = $nt->getDBkey();
+
+		if( $oldnamespace != $newnamespace || $oldtitle != $newtitle ) {
+			WatchedItem::duplicateEntries( $this, $nt );
+		}
+
+		# Update search engine
+		$u = new SearchUpdate( $pageid, $nt->getPrefixedDBkey() );
+		$u->doUpdate();
+		$u = new SearchUpdate( $redirid, $this->getPrefixedDBkey(), '' );
+		$u->doUpdate();
+
+		# Update site_stats
+		if ( $this->getNamespace() == NS_MAIN and $nt->getNamespace() != NS_MAIN ) {
+			# Moved out of main namespace
+			# not viewed, edited, removing
+			$u = new SiteStatsUpdate( 0, 1, -1, $pageCountChange);
+		} elseif ( $this->getNamespace() != NS_MAIN and $nt->getNamespace() == NS_MAIN ) {
+			# Moved into main namespace
+			# not viewed, edited, adding
+			$u = new SiteStatsUpdate( 0, 1, +1, $pageCountChange );
+		} elseif ( $pageCountChange ) {
+			# Added redirect
+			$u = new SiteStatsUpdate( 0, 0, 0, 1 );
+		} else{
+			$u = false;
+		}
+		if ( $u ) {
+			$u->doUpdate();
+		}
+
+		global $wgUser;
+		wfRunHooks( 'TitleMoveComplete', array( &$this, &$nt, &$wgUser, $pageid, $redirid ) );
+		return true;
+	}
+
+	/**
+	 * Move page to a title which is at present a redirect to the
+	 * source page
+	 *
+	 * @param Title &$nt the page to move to, which should currently
+	 * 	be a redirect
+	 * @private
+	 */
+	function moveOverExistingRedirect( &$nt, $reason = '' ) {
+		global $wgUseSquid;
+		$fname = 'Title::moveOverExistingRedirect';
+		$comment = wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
+
+		if ( $reason ) {
+			$comment .= ": $reason";
+		}
+
+		$now = wfTimestampNow();
+		$rand = wfRandom();
+		$newid = $nt->getArticleID();
+		$oldid = $this->getArticleID();
+		$dbw =& wfGetDB( DB_MASTER );
+		$linkCache =& LinkCache::singleton();
+
+		# Delete the old redirect. We don't save it to history since
+		# by definition if we've got here it's rather uninteresting.
+		# We have to remove it so that the next step doesn't trigger
+		# a conflict on the unique namespace+title index...
+		$dbw->delete( 'page', array( 'page_id' => $newid ), $fname );
+
+		# Save a null revision in the page's history notifying of the move
+		$nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
+		$nullRevId = $nullRevision->insertOn( $dbw );
+
+		# Change the name of the target page:
+		$dbw->update( 'page',
+			/* SET */ array(
+				'page_touched'   => $dbw->timestamp($now),
+				'page_namespace' => $nt->getNamespace(),
+				'page_title'     => $nt->getDBkey(),
+				'page_latest'    => $nullRevId,
+			),
+			/* WHERE */ array( 'page_id' => $oldid ),
+			$fname
+		);
+		$linkCache->clearLink( $nt->getPrefixedDBkey() );
+
+		# Recreate the redirect, this time in the other direction.
+		$mwRedir = MagicWord::get( MAG_REDIRECT );
+		$redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
+		$redirectArticle = new Article( $this );
+		$newid = $redirectArticle->insertOn( $dbw );
+		$redirectRevision = new Revision( array(
+			'page'    => $newid,
+			'comment' => $comment,
+			'text'    => $redirectText ) );
+		$revid = $redirectRevision->insertOn( $dbw );
+		$redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
+		$linkCache->clearLink( $this->getPrefixedDBkey() );
+
+		# Log the move
+		$log = new LogPage( 'move' );
+		$log->addEntry( 'move_redir', $this, $reason, array( 1 => $nt->getPrefixedText() ) );
+
+		# Now, we record the link from the redirect to the new title.
+		# It should have no other outgoing links...
+		$dbw->delete( 'pagelinks', array( 'pl_from' => $newid ), $fname );
+		$dbw->insert( 'pagelinks',
+			array(
+				'pl_from'      => $newid,
+				'pl_namespace' => $nt->getNamespace(),
+				'pl_title'     => $nt->getDbKey() ),
+			$fname );
+
+		# Purge squid
+		if ( $wgUseSquid ) {
+			$urls = array_merge( $nt->getSquidURLs(), $this->getSquidURLs() );
+			$u = new SquidUpdate( $urls );
+			$u->doUpdate();
+		}
+	}
+
+	/**
+	 * Move page to non-existing title.
+	 * @param Title &$nt the new Title
+	 * @private
+	 */
+	function moveToNewTitle( &$nt, $reason = '' ) {
+		global $wgUseSquid;
+		$fname = 'MovePageForm::moveToNewTitle';
+		$comment = wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
+		if ( $reason ) {
+			$comment .= ": $reason";
+		}
+
+		$newid = $nt->getArticleID();
+		$oldid = $this->getArticleID();
+		$dbw =& wfGetDB( DB_MASTER );
+		$now = $dbw->timestamp();
+		$rand = wfRandom();
+		$linkCache =& LinkCache::singleton();
+
+		# Save a null revision in the page's history notifying of the move
+		$nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
+		$nullRevId = $nullRevision->insertOn( $dbw );
+
+		# Rename cur entry
+		$dbw->update( 'page',
+			/* SET */ array(
+				'page_touched'   => $now,
+				'page_namespace' => $nt->getNamespace(),
+				'page_title'     => $nt->getDBkey(),
+				'page_latest'    => $nullRevId,
+			),
+			/* WHERE */ array( 'page_id' => $oldid ),
+			$fname
+		);
+
+		$linkCache->clearLink( $nt->getPrefixedDBkey() );
+
+		# Insert redirect
+		$mwRedir = MagicWord::get( MAG_REDIRECT );
+		$redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
+		$redirectArticle = new Article( $this );
+		$newid = $redirectArticle->insertOn( $dbw );
+		$redirectRevision = new Revision( array(
+			'page'    => $newid,
+			'comment' => $comment,
+			'text'    => $redirectText ) );
+		$revid = $redirectRevision->insertOn( $dbw );
+		$redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
+		$linkCache->clearLink( $this->getPrefixedDBkey() );
+
+		# Log the move
+		$log = new LogPage( 'move' );
+		$log->addEntry( 'move', $this, $reason, array( 1 => $nt->getPrefixedText()) );
+
+		# Purge caches as per article creation
+		Article::onArticleCreate( $nt );
+
+		# Record the just-created redirect's linking to the page
+		$dbw->insert( 'pagelinks',
+			array(
+				'pl_from'      => $newid,
+				'pl_namespace' => $nt->getNamespace(),
+				'pl_title'     => $nt->getDBkey() ),
+			$fname );
+
+		# Purge old title from squid
+		# The new title, and links to the new title, are purged in Article::onArticleCreate()
+		$this->purgeSquid();
+	}
+
+	/**
+	 * Checks if $this can be moved to a given Title
+	 * - Selects for update, so don't call it unless you mean business
+	 *
+	 * @param Title &$nt the new title to check
+	 * @access public
+	 */
+	function isValidMoveTarget( $nt ) {
+
+		$fname = 'Title::isValidMoveTarget';
+		$dbw =& wfGetDB( DB_MASTER );
+
+		# Is it a redirect?
+		$id  = $nt->getArticleID();
+		$obj = $dbw->selectRow( array( 'page', 'revision', 'text'),
+			array( 'page_is_redirect','old_text','old_flags' ),
+			array( 'page_id' => $id, 'page_latest=rev_id', 'rev_text_id=old_id' ),
+			$fname, 'FOR UPDATE' );
+
+		if ( !$obj || 0 == $obj->page_is_redirect ) {
+			# Not a redirect
+			wfDebug( __METHOD__ . ": not a redirect\n" );
+			return false;
+		}
+		$text = Revision::getRevisionText( $obj );
+
+		# Does the redirect point to the source?
+		# Or is it a broken self-redirect, usually caused by namespace collisions?
+		if ( preg_match( "/\\[\\[\\s*([^\\]\\|]*)]]/", $text, $m ) ) {
+			$redirTitle = Title::newFromText( $m[1] );
+			if( !is_object( $redirTitle ) ||
+				( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() &&
+				$redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) ) {
+				wfDebug( __METHOD__ . ": redirect points to other page\n" );
+				return false;
+			}
+		} else {
+			# Fail safe
+			wfDebug( __METHOD__ . ": failsafe\n" );
+			return false;
+		}
+
+		# Does the article have a history?
+		$row = $dbw->selectRow( array( 'page', 'revision'),
+			array( 'rev_id' ),
+			array( 'page_namespace' => $nt->getNamespace(),
+				'page_title' => $nt->getDBkey(),
+				'page_id=rev_page AND page_latest != rev_id'
+			), $fname, 'FOR UPDATE'
+		);
+
+		# Return true if there was no history
+		return $row === false;
+	}
+
+	/**
+	 * Create a redirect; fails if the title already exists; does
+	 * not notify RC
+	 *
+	 * @param Title $dest the destination of the redirect
+	 * @param string $comment the comment string describing the move
+	 * @return bool true on success
+	 * @access public
+	 */
+	function createRedirect( $dest, $comment ) {
+		if ( $this->getArticleID() ) {
+			return false;
+		}
+
+		$fname = 'Title::createRedirect';
+		$dbw =& wfGetDB( DB_MASTER );
+
+		$article = new Article( $this );
+		$newid = $article->insertOn( $dbw );
+		$revision = new Revision( array(
+			'page'      => $newid,
+			'comment'   => $comment,
+			'text'      => "#REDIRECT [[" . $dest->getPrefixedText() . "]]\n",
+			) );
+		$revisionId = $revision->insertOn( $dbw );
+		$article->updateRevisionOn( $dbw, $revision, 0 );
+
+		# Link table
+		$dbw->insert( 'pagelinks',
+			array(
+				'pl_from'      => $newid,
+				'pl_namespace' => $dest->getNamespace(),
+				'pl_title'     => $dest->getDbKey()
+			), $fname
+		);
+
+		Article::onArticleCreate( $this );
+		return true;
+	}
+
+	/**
+	 * Get categories to which this Title belongs and return an array of
+	 * categories' names.
+	 *
+	 * @return array an array of parents in the form:
+	 *	$parent => $currentarticle
+	 * @access public
+	 */
+	function getParentCategories() {
+		global $wgContLang;
+
+		$titlekey = $this->getArticleId();
+		$dbr =& wfGetDB( DB_SLAVE );
+		$categorylinks = $dbr->tableName( 'categorylinks' );
+
+		# NEW SQL
+		$sql = "SELECT * FROM $categorylinks"
+		     ." WHERE cl_from='$titlekey'"
+			 ." AND cl_from <> '0'"
+			 ." ORDER BY cl_sortkey";
+
+		$res = $dbr->query ( $sql ) ;
+
+		if($dbr->numRows($res) > 0) {
+			while ( $x = $dbr->fetchObject ( $res ) )
+				//$data[] = Title::newFromText($wgContLang->getNSText ( NS_CATEGORY ).':'.$x->cl_to);
+				$data[$wgContLang->getNSText ( NS_CATEGORY ).':'.$x->cl_to] = $this->getFullText();
+			$dbr->freeResult ( $res ) ;
+		} else {
+			$data = '';
+		}
+		return $data;
+	}
+
+	/**
+	 * Get a tree of parent categories
+	 * @param array $children an array with the children in the keys, to check for circular refs
+	 * @return array
+	 * @access public
+	 */
+	function getParentCategoryTree( $children = array() ) {
+		$parents = $this->getParentCategories();
+
+		if($parents != '') {
+			foreach($parents as $parent => $current) {
+				if ( array_key_exists( $parent, $children ) ) {
+					# Circular reference
+					$stack[$parent] = array();
+				} else {
+					$nt = Title::newFromText($parent);
+					$stack[$parent] = $nt->getParentCategoryTree( $children + array($parent => 1) );
+				}
+			}
+			return $stack;
+		} else {
+			return array();
+		}
+	}
+
+
+	/**
+	 * Get an associative array for selecting this title from
+	 * the "page" table
+	 *
+	 * @return array
+	 * @access public
+	 */
+	function pageCond() {
+		return array( 'page_namespace' => $this->mNamespace, 'page_title' => $this->mDbkeyform );
+	}
+
+	/**
+	 * Get the revision ID of the previous revision
+	 *
+	 * @param integer $revision  Revision ID. Get the revision that was before this one.
+	 * @return interger $oldrevision|false
+	 */
+	function getPreviousRevisionID( $revision ) {
+		$dbr =& wfGetDB( DB_SLAVE );
+		return $dbr->selectField( 'revision', 'rev_id',
+			'rev_page=' . intval( $this->getArticleId() ) .
+			' AND rev_id<' . intval( $revision ) . ' ORDER BY rev_id DESC' );
+	}
+
+	/**
+	 * Get the revision ID of the next revision
+	 *
+	 * @param integer $revision  Revision ID. Get the revision that was after this one.
+	 * @return interger $oldrevision|false
+	 */
+	function getNextRevisionID( $revision ) {
+		$dbr =& wfGetDB( DB_SLAVE );
+		return $dbr->selectField( 'revision', 'rev_id',
+			'rev_page=' . intval( $this->getArticleId() ) .
+			' AND rev_id>' . intval( $revision ) . ' ORDER BY rev_id' );
+	}
+
+	/**
+	 * Compare with another title.
+	 *
+	 * @param Title $title
+	 * @return bool
+	 */
+	function equals( $title ) {
+		// Note: === is necessary for proper matching of number-like titles.
+		return $this->getInterwiki() === $title->getInterwiki()
+			&& $this->getNamespace() == $title->getNamespace()
+			&& $this->getDbkey() === $title->getDbkey();
+	}
+
+	/**
+	 * Check if page exists
+	 * @return bool
+	 */
+	function exists() {
+		return $this->getArticleId() != 0;
+	}
+
+	/**
+	 * Should a link should be displayed as a known link, just based on its title?
+	 *
+	 * Currently, a self-link with a fragment and special pages are in
+	 * this category. Special pages never exist in the database.
+	 */
+	function isAlwaysKnown() {
+		return  $this->isExternal() || ( 0 == $this->mNamespace && "" == $this->mDbkeyform )
+		  || NS_SPECIAL == $this->mNamespace;
+	}
+
+	/**
+	 * Update page_touched timestamps and send squid purge messages for
+	 * pages linking to this title.	May be sent to the job queue depending 
+	 * on the number of links. Typically called on create and delete.
+	 */
+	function touchLinks() {
+		$u = new HTMLCacheUpdate( $this, 'pagelinks' );
+		$u->doUpdate();
+
+		if ( $this->getNamespace() == NS_CATEGORY ) {
+			$u = new HTMLCacheUpdate( $this, 'categorylinks' );
+			$u->doUpdate();
+		}
+	}
+
+	function trackbackURL() {
+		global $wgTitle, $wgScriptPath, $wgServer;
+
+		return "$wgServer$wgScriptPath/trackback.php?article="
+			. htmlspecialchars(urlencode($wgTitle->getPrefixedDBkey()));
+	}
+
+	function trackbackRDF() {
+		$url = htmlspecialchars($this->getFullURL());
+		$title = htmlspecialchars($this->getText());
+		$tburl = $this->trackbackURL();
+
+		return "
+<rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"
+         xmlns:dc=\"http://purl.org/dc/elements/1.1/\"
+         xmlns:trackback=\"http://madskills.com/public/xml/rss/module/trackback/\">
+<rdf:Description
+   rdf:about=\"$url\"
+   dc:identifier=\"$url\"
+   dc:title=\"$title\"
+   trackback:ping=\"$tburl\" />
+</rdf:RDF>";
+	}
+
+	/**
+	 * Generate strings used for xml 'id' names in monobook tabs
+	 * @return string
+	 */
+	function getNamespaceKey() {
+		switch ($this->getNamespace()) {
+			case NS_MAIN:
+			case NS_TALK:
+				return 'nstab-main';
+			case NS_USER:
+			case NS_USER_TALK:
+				return 'nstab-user';
+			case NS_MEDIA:
+				return 'nstab-media';
+			case NS_SPECIAL:
+				return 'nstab-special';
+			case NS_PROJECT:
+			case NS_PROJECT_TALK:
+				return 'nstab-project';
+			case NS_IMAGE:
+			case NS_IMAGE_TALK:
+				return 'nstab-image';
+			case NS_MEDIAWIKI:
+			case NS_MEDIAWIKI_TALK:
+				return 'nstab-mediawiki';
+			case NS_TEMPLATE:
+			case NS_TEMPLATE_TALK:
+				return 'nstab-template';
+			case NS_HELP:
+			case NS_HELP_TALK:
+				return 'nstab-help';
+			case NS_CATEGORY:
+			case NS_CATEGORY_TALK:
+				return 'nstab-category';
+			default:
+				return 'nstab-' . strtolower( $this->getSubjectNsText() );
+		}
+	}
+}
+?>
diff --git a/includes/User.php b/includes/User.php
new file mode 100644
index 00000000..f2426284
--- /dev/null
+++ b/includes/User.php
@@ -0,0 +1,1986 @@
+<?php
+/**
+ * See user.txt
+ *
+ * @package MediaWiki
+ */
+
+# Number of characters in user_token field
+define( 'USER_TOKEN_LENGTH', 32 );
+
+# Serialized record version
+define( 'MW_USER_VERSION', 3 );
+
+/**
+ *
+ * @package MediaWiki
+ */
+class User {
+	/*
+	 * When adding a new private variable, dont forget to add it to __sleep()
+	 */
+	/**@{{
+	 * @private
+	 */
+	var $mBlockedby;	//!<
+	var $mBlockreason;	//!<
+	var $mDataLoaded;	//!<
+	var $mEmail;		//!<
+	var $mEmailAuthenticated; //!<
+	var $mGroups;		//!<
+	var $mHash;			//!<
+	var $mId;			//!<
+	var $mName;			//!<
+	var $mNewpassword;	//!<
+	var $mNewtalk;		//!<
+	var $mOptions;		//!<
+	var $mPassword;		//!<
+	var $mRealName;		//!<
+	var $mRegistration;	//!<
+	var $mRights;		//!<
+	var $mSkin;			//!<
+	var $mToken;		//!<
+	var $mTouched;		//!<
+	var $mVersion;		//!< serialized version
+	/**@}} */
+
+	/** Constructor using User:loadDefaults() */
+	function User()	{
+		$this->loadDefaults();
+		$this->mVersion = MW_USER_VERSION;
+	}
+
+	/**
+	 * Static factory method
+	 * @param string $name Username, validated by Title:newFromText()
+	 * @param bool $validate Validate username
+	 * @return User
+	 * @static
+	 */
+	function newFromName( $name, $validate = true ) {
+		# Force usernames to capital
+		global $wgContLang;
+		$name = $wgContLang->ucfirst( $name );
+
+		# Clean up name according to title rules
+		$t = Title::newFromText( $name );
+		if( is_null( $t ) ) {
+			return null;
+		}
+
+		# Reject various classes of invalid names
+		$canonicalName = $t->getText();
+		global $wgAuth;
+		$canonicalName = $wgAuth->getCanonicalName( $t->getText() );
+
+		if( $validate && !User::isValidUserName( $canonicalName ) ) {
+			return null;
+		}
+
+		$u = new User();
+		$u->setName( $canonicalName );
+		$u->setId( $u->idFromName( $canonicalName ) );
+		return $u;
+	}
+
+	/**
+	 * Factory method to fetch whichever use has a given email confirmation code.
+	 * This code is generated when an account is created or its e-mail address
+	 * has changed.
+	 *
+	 * If the code is invalid or has expired, returns NULL.
+	 *
+	 * @param string $code
+	 * @return User
+	 * @static
+	 */
+	function newFromConfirmationCode( $code ) {
+		$dbr =& wfGetDB( DB_SLAVE );
+		$name = $dbr->selectField( 'user', 'user_name', array(
+			'user_email_token' => md5( $code ),
+			'user_email_token_expires > ' . $dbr->addQuotes( $dbr->timestamp() ),
+			) );
+		if( is_string( $name ) ) {
+			return User::newFromName( $name );
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * Serialze sleep function, for better cache efficiency and avoidance of
+	 * silly "incomplete type" errors when skins are cached. The array should
+	 * contain names of private variables (see at top of User.php).
+	 */
+	function __sleep() {
+		return array(
+'mBlockedby',
+'mBlockreason',
+'mDataLoaded',
+'mEmail',
+'mEmailAuthenticated',
+'mGroups',
+'mHash',
+'mId',
+'mName',
+'mNewpassword',
+'mNewtalk',
+'mOptions',
+'mPassword',
+'mRealName',
+'mRegistration',
+'mRights',
+'mToken',
+'mTouched',
+'mVersion',
+);
+	}
+
+	/**
+	 * Get username given an id.
+	 * @param integer $id Database user id
+	 * @return string Nickname of a user
+	 * @static
+	 */
+	function whoIs( $id )	{
+		$dbr =& wfGetDB( DB_SLAVE );
+		return $dbr->selectField( 'user', 'user_name', array( 'user_id' => $id ), 'User::whoIs' );
+	}
+
+	/**
+	 * Get real username given an id.
+	 * @param integer $id Database user id
+	 * @return string Realname of a user
+	 * @static
+	 */
+	function whoIsReal( $id )	{
+		$dbr =& wfGetDB( DB_SLAVE );
+		return $dbr->selectField( 'user', 'user_real_name', array( 'user_id' => $id ), 'User::whoIsReal' );
+	}
+
+	/**
+	 * Get database id given a user name
+	 * @param string $name Nickname of a user
+	 * @return integer|null Database user id (null: if non existent
+	 * @static
+	 */
+	function idFromName( $name ) {
+		$fname = "User::idFromName";
+
+		$nt = Title::newFromText( $name );
+		if( is_null( $nt ) ) {
+			# Illegal name
+			return null;
+		}
+		$dbr =& wfGetDB( DB_SLAVE );
+		$s = $dbr->selectRow( 'user', array( 'user_id' ), array( 'user_name' => $nt->getText() ), $fname );
+
+		if ( $s === false ) {
+			return 0;
+		} else {
+			return $s->user_id;
+		}
+	}
+
+	/**
+	 * Does the string match an anonymous IPv4 address?
+	 *
+	 * This function exists for username validation, in order to reject
+	 * usernames which are similar in form to IP addresses. Strings such
+	 * as 300.300.300.300 will return true because it looks like an IP 
+	 * address, despite not being strictly valid.
+	 * 
+	 * We match \d{1,3}\.\d{1,3}\.\d{1,3}\.xxx as an anonymous IP
+	 * address because the usemod software would "cloak" anonymous IP
+	 * addresses like this, if we allowed accounts like this to be created
+	 * new users could get the old edits of these anonymous users.
+	 *
+	 * @bug 3631
+	 *
+	 * @static
+	 * @param string $name Nickname of a user
+	 * @return bool
+	 */
+	function isIP( $name ) {
+		return preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.(?:xxx|\d{1,3})$/",$name);
+		/*return preg_match("/^
+			(?:[01]?\d{1,2}|2(:?[0-4]\d|5[0-5]))\.
+			(?:[01]?\d{1,2}|2(:?[0-4]\d|5[0-5]))\.
+			(?:[01]?\d{1,2}|2(:?[0-4]\d|5[0-5]))\.
+			(?:[01]?\d{1,2}|2(:?[0-4]\d|5[0-5]))
+		$/x", $name);*/
+	}
+
+	/**
+	 * Is the input a valid username?
+	 *
+	 * Checks if the input is a valid username, we don't want an empty string,
+	 * an IP address, anything that containins slashes (would mess up subpages),
+	 * is longer than the maximum allowed username size or doesn't begin with
+	 * a capital letter.
+	 *
+	 * @param string $name
+	 * @return bool
+	 * @static
+	 */
+	function isValidUserName( $name ) {
+		global $wgContLang, $wgMaxNameChars;
+
+		if ( $name == ''
+		|| User::isIP( $name )
+		|| strpos( $name, '/' ) !== false
+		|| strlen( $name ) > $wgMaxNameChars
+		|| $name != $wgContLang->ucfirst( $name ) )
+			return false;
+
+		// Ensure that the name can't be misresolved as a different title,
+		// such as with extra namespace keys at the start.
+		$parsed = Title::newFromText( $name );
+		if( is_null( $parsed )
+			|| $parsed->getNamespace()
+			|| strcmp( $name, $parsed->getPrefixedText() ) )
+			return false;
+		
+		// Check an additional blacklist of troublemaker characters.
+		// Should these be merged into the title char list?
+		$unicodeBlacklist = '/[' .
+			'\x{0080}-\x{009f}' . # iso-8859-1 control chars
+			'\x{00a0}' .          # non-breaking space
+			'\x{2000}-\x{200f}' . # various whitespace
+			'\x{2028}-\x{202f}' . # breaks and control chars
+			'\x{3000}' .          # ideographic space
+			'\x{e000}-\x{f8ff}' . # private use
+			']/u';
+		if( preg_match( $unicodeBlacklist, $name ) ) {
+			return false;
+		}
+		
+		return true;
+	}
+
+	/**
+	 * Is the input a valid password?
+	 *
+	 * @param string $password
+	 * @return bool
+	 * @static
+	 */
+	function isValidPassword( $password ) {
+		global $wgMinimalPasswordLength;
+		return strlen( $password ) >= $wgMinimalPasswordLength;
+	}
+
+	/**
+	 * Does the string match roughly an email address ?
+	 *
+	 * There used to be a regular expression here, it got removed because it
+	 * rejected valid addresses. Actually just check if there is '@' somewhere
+	 * in the given address.
+	 *
+	 * @todo Check for RFC 2822 compilance
+	 * @bug 959
+	 *
+	 * @param string $addr email address
+	 * @static
+	 * @return bool
+	 */
+	function isValidEmailAddr ( $addr ) {
+		return ( trim( $addr ) != '' ) &&
+			(false !== strpos( $addr, '@' ) );
+	}
+
+	/**
+	 * Count the number of edits of a user
+	 *
+	 * @param int $uid The user ID to check
+	 * @return int
+	 */
+	function edits( $uid ) {
+		$fname = 'User::edits';
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		return $dbr->selectField(
+			'revision', 'count(*)',
+			array( 'rev_user' => $uid ),
+			$fname
+		);
+	}
+
+	/**
+	 * probably return a random password
+	 * @return string probably a random password
+	 * @static
+	 * @todo Check what is doing really [AV]
+	 */
+	function randomPassword() {
+		global $wgMinimalPasswordLength;
+		$pwchars = 'ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz';
+		$l = strlen( $pwchars ) - 1;
+
+		$pwlength = max( 7, $wgMinimalPasswordLength );
+		$digit = mt_rand(0, $pwlength - 1);
+		$np = '';
+		for ( $i = 0; $i < $pwlength; $i++ ) {
+			$np .= $i == $digit ? chr( mt_rand(48, 57) ) : $pwchars{ mt_rand(0, $l)};
+		}
+		return $np;
+	}
+
+	/**
+	 * Set properties to default
+	 * Used at construction. It will load per language default settings only
+	 * if we have an available language object.
+	 */
+	function loadDefaults() {
+		static $n=0;
+		$n++;
+		$fname = 'User::loadDefaults' . $n;
+		wfProfileIn( $fname );
+
+		global $wgCookiePrefix;
+		global $wgNamespacesToBeSearchedDefault;
+
+		$this->mId = 0;
+		$this->mNewtalk = -1;
+		$this->mName = false;
+		$this->mRealName = $this->mEmail = '';
+		$this->mEmailAuthenticated = null;
+		$this->mPassword = $this->mNewpassword = '';
+		$this->mRights = array();
+		$this->mGroups = array();
+		$this->mOptions = User::getDefaultOptions();
+
+		foreach( $wgNamespacesToBeSearchedDefault as $nsnum => $val ) {
+			$this->mOptions['searchNs'.$nsnum] = $val;
+		}
+		unset( $this->mSkin );
+		$this->mDataLoaded = false;
+		$this->mBlockedby = -1; # Unset
+		$this->setToken(); # Random
+		$this->mHash = false;
+
+		if ( isset( $_COOKIE[$wgCookiePrefix.'LoggedOut'] ) ) {
+			$this->mTouched = wfTimestamp( TS_MW, $_COOKIE[$wgCookiePrefix.'LoggedOut'] );
+		}
+		else {
+			$this->mTouched = '0'; # Allow any pages to be cached
+		}
+
+		$this->mRegistration = wfTimestamp( TS_MW );
+
+		wfProfileOut( $fname );
+	}
+
+	/**
+	 * Combine the language default options with any site-specific options
+	 * and add the default language variants.
+	 *
+	 * @return array
+	 * @static
+	 * @private
+	 */
+	function getDefaultOptions() {
+		/**
+		 * Site defaults will override the global/language defaults
+		 */
+		global $wgContLang, $wgDefaultUserOptions;
+		$defOpt = $wgDefaultUserOptions + $wgContLang->getDefaultUserOptions();
+
+		/**
+		 * default language setting
+		 */
+		$variant = $wgContLang->getPreferredVariant();
+		$defOpt['variant'] = $variant;
+		$defOpt['language'] = $variant;
+
+		return $defOpt;
+	}
+
+	/**
+	 * Get a given default option value.
+	 *
+	 * @param string $opt
+	 * @return string
+	 * @static
+	 * @public
+	 */
+	function getDefaultOption( $opt ) {
+		$defOpts = User::getDefaultOptions();
+		if( isset( $defOpts[$opt] ) ) {
+			return $defOpts[$opt];
+		} else {
+			return '';
+		}
+	}
+
+	/**
+	 * Get blocking information
+	 * @private
+	 * @param bool $bFromSlave Specify whether to check slave or master. To improve performance,
+	 *  non-critical checks are done against slaves. Check when actually saving should be done against
+	 *  master.
+	 */
+	function getBlockedStatus( $bFromSlave = true ) {
+		global $wgEnableSorbs, $wgProxyWhitelist;
+
+		if ( -1 != $this->mBlockedby ) {
+			wfDebug( "User::getBlockedStatus: already loaded.\n" );
+			return;
+		}
+
+		$fname = 'User::getBlockedStatus';
+		wfProfileIn( $fname );
+		wfDebug( "$fname: checking...\n" );
+
+		$this->mBlockedby = 0;
+		$ip = wfGetIP();
+
+		# User/IP blocking
+		$block = new Block();
+		$block->fromMaster( !$bFromSlave );
+		if ( $block->load( $ip , $this->mId ) ) {
+			wfDebug( "$fname: Found block.\n" );
+			$this->mBlockedby = $block->mBy;
+			$this->mBlockreason = $block->mReason;
+			if ( $this->isLoggedIn() ) {
+				$this->spreadBlock();
+			}
+		} else {
+			wfDebug( "$fname: No block.\n" );
+		}
+
+		# Proxy blocking
+		# FIXME ? proxyunbannable is to deprecate the old isSysop()
+		if ( !$this->isAllowed('proxyunbannable') && !in_array( $ip, $wgProxyWhitelist ) ) {
+
+			# Local list
+			if ( wfIsLocallyBlockedProxy( $ip ) ) {
+				$this->mBlockedby = wfMsg( 'proxyblocker' );
+				$this->mBlockreason = wfMsg( 'proxyblockreason' );
+			}
+
+			# DNSBL
+			if ( !$this->mBlockedby && $wgEnableSorbs && !$this->getID() ) {
+				if ( $this->inSorbsBlacklist( $ip ) ) {
+					$this->mBlockedby = wfMsg( 'sorbs' );
+					$this->mBlockreason = wfMsg( 'sorbsreason' );
+				}
+			}
+		}
+
+		# Extensions
+		wfRunHooks( 'GetBlockedStatus', array( &$this ) );
+
+		wfProfileOut( $fname );
+	}
+
+	function inSorbsBlacklist( $ip ) {
+		global $wgEnableSorbs;
+		return $wgEnableSorbs &&
+			$this->inDnsBlacklist( $ip, 'http.dnsbl.sorbs.net.' );
+	}
+
+	function inDnsBlacklist( $ip, $base ) {
+		$fname = 'User::inDnsBlacklist';
+		wfProfileIn( $fname );
+
+		$found = false;
+		$host = '';
+
+		if ( preg_match( '/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/', $ip, $m ) ) {
+			# Make hostname
+			for ( $i=4; $i>=1; $i-- ) {
+				$host .= $m[$i] . '.';
+			}
+			$host .= $base;
+
+			# Send query
+			$ipList = gethostbynamel( $host );
+
+			if ( $ipList ) {
+				wfDebug( "Hostname $host is {$ipList[0]}, it's a proxy says $base!\n" );
+				$found = true;
+			} else {
+				wfDebug( "Requested $host, not found in $base.\n" );
+			}
+		}
+
+		wfProfileOut( $fname );
+		return $found;
+	}
+
+	/**
+	 * Primitive rate limits: enforce maximum actions per time period
+	 * to put a brake on flooding.
+	 *
+	 * Note: when using a shared cache like memcached, IP-address
+	 * last-hit counters will be shared across wikis.
+	 *
+	 * @return bool true if a rate limiter was tripped
+	 * @public
+	 */
+	function pingLimiter( $action='edit' ) {
+		global $wgRateLimits, $wgRateLimitsExcludedGroups;
+		if( !isset( $wgRateLimits[$action] ) ) {
+			return false;
+		}
+		
+		# Some groups shouldn't trigger the ping limiter, ever
+		foreach( $this->getGroups() as $group ) {
+			if( array_search( $group, $wgRateLimitsExcludedGroups ) !== false )
+				return false;
+		}
+		
+		global $wgMemc, $wgDBname, $wgRateLimitLog;
+		$fname = 'User::pingLimiter';
+		wfProfileIn( $fname );
+
+		$limits = $wgRateLimits[$action];
+		$keys = array();
+		$id = $this->getId();
+		$ip = wfGetIP();
+
+		if( isset( $limits['anon'] ) && $id == 0 ) {
+			$keys["$wgDBname:limiter:$action:anon"] = $limits['anon'];
+		}
+
+		if( isset( $limits['user'] ) && $id != 0 ) {
+			$keys["$wgDBname:limiter:$action:user:$id"] = $limits['user'];
+		}
+		if( $this->isNewbie() ) {
+			if( isset( $limits['newbie'] ) && $id != 0 ) {
+				$keys["$wgDBname:limiter:$action:user:$id"] = $limits['newbie'];
+			}
+			if( isset( $limits['ip'] ) ) {
+				$keys["mediawiki:limiter:$action:ip:$ip"] = $limits['ip'];
+			}
+			if( isset( $limits['subnet'] ) && preg_match( '/^(\d+\.\d+\.\d+)\.\d+$/', $ip, $matches ) ) {
+				$subnet = $matches[1];
+				$keys["mediawiki:limiter:$action:subnet:$subnet"] = $limits['subnet'];
+			}
+		}
+
+		$triggered = false;
+		foreach( $keys as $key => $limit ) {
+			list( $max, $period ) = $limit;
+			$summary = "(limit $max in {$period}s)";
+			$count = $wgMemc->get( $key );
+			if( $count ) {
+				if( $count > $max ) {
+					wfDebug( "$fname: tripped! $key at $count $summary\n" );
+					if( $wgRateLimitLog ) {
+						@error_log( wfTimestamp( TS_MW ) . ' ' . $wgDBname . ': ' . $this->getName() . " tripped $key at $count $summary\n", 3, $wgRateLimitLog );
+					}
+					$triggered = true;
+				} else {
+					wfDebug( "$fname: ok. $key at $count $summary\n" );
+				}
+			} else {
+				wfDebug( "$fname: adding record for $key $summary\n" );
+				$wgMemc->add( $key, 1, intval( $period ) );
+			}
+			$wgMemc->incr( $key );
+		}
+
+		wfProfileOut( $fname );
+		return $triggered;
+	}
+
+	/**
+	 * Check if user is blocked
+	 * @return bool True if blocked, false otherwise
+	 */
+	function isBlocked( $bFromSlave = true ) { // hacked from false due to horrible probs on site
+		wfDebug( "User::isBlocked: enter\n" );
+		$this->getBlockedStatus( $bFromSlave );
+		return $this->mBlockedby !== 0;
+	}
+
+	/**
+	 * Check if user is blocked from editing a particular article
+	 */
+	function isBlockedFrom( $title, $bFromSlave = false ) {
+		global $wgBlockAllowsUTEdit;
+		$fname = 'User::isBlockedFrom';
+		wfProfileIn( $fname );
+		wfDebug( "$fname: enter\n" );
+
+		if ( $wgBlockAllowsUTEdit && $title->getText() === $this->getName() &&
+		  $title->getNamespace() == NS_USER_TALK )
+		{
+			$blocked = false;
+			wfDebug( "$fname: self-talk page, ignoring any blocks\n" );
+		} else {
+			wfDebug( "$fname: asking isBlocked()\n" );
+			$blocked = $this->isBlocked( $bFromSlave );
+		}
+		wfProfileOut( $fname );
+		return $blocked;
+	}
+
+	/**
+	 * Get name of blocker
+	 * @return string name of blocker
+	 */
+	function blockedBy() {
+		$this->getBlockedStatus();
+		return $this->mBlockedby;
+	}
+
+	/**
+	 * Get blocking reason
+	 * @return string Blocking reason
+	 */
+	function blockedFor() {
+		$this->getBlockedStatus();
+		return $this->mBlockreason;
+	}
+
+	/**
+	 * Initialise php session
+	 */
+	function SetupSession() {
+		global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
+		if( $wgSessionsInMemcached ) {
+			require_once( 'MemcachedSessions.php' );
+		} elseif( 'files' != ini_get( 'session.save_handler' ) ) {
+			# If it's left on 'user' or another setting from another
+			# application, it will end up failing. Try to recover.
+			ini_set ( 'session.save_handler', 'files' );
+		}
+		session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
+		session_cache_limiter( 'private, must-revalidate' );
+		@session_start();
+	}
+
+	/**
+	 * Create a new user object using data from session
+	 * @static
+	 */
+	function loadFromSession() {
+		global $wgMemc, $wgDBname, $wgCookiePrefix;
+
+		if ( isset( $_SESSION['wsUserID'] ) ) {
+			if ( 0 != $_SESSION['wsUserID'] ) {
+				$sId = $_SESSION['wsUserID'];
+			} else {
+				return new User();
+			}
+		} else if ( isset( $_COOKIE["{$wgCookiePrefix}UserID"] ) ) {
+			$sId = intval( $_COOKIE["{$wgCookiePrefix}UserID"] );
+			$_SESSION['wsUserID'] = $sId;
+		} else {
+			return new User();
+		}
+		if ( isset( $_SESSION['wsUserName'] ) ) {
+			$sName = $_SESSION['wsUserName'];
+		} else if ( isset( $_COOKIE["{$wgCookiePrefix}UserName"] ) ) {
+			$sName = $_COOKIE["{$wgCookiePrefix}UserName"];
+			$_SESSION['wsUserName'] = $sName;
+		} else {
+			return new User();
+		}
+
+		$passwordCorrect = FALSE;
+		$user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
+		if( !is_object( $user ) || $user->mVersion < MW_USER_VERSION ) {
+			# Expire old serialized objects; they may be corrupt.
+			$user = false;
+		}
+		if($makenew = !$user) {
+			wfDebug( "User::loadFromSession() unable to load from memcached\n" );
+			$user = new User();
+			$user->mId = $sId;
+			$user->loadFromDatabase();
+		} else {
+			wfDebug( "User::loadFromSession() got from cache!\n" );
+		}
+
+		if ( isset( $_SESSION['wsToken'] ) ) {
+			$passwordCorrect = $_SESSION['wsToken'] == $user->mToken;
+		} else if ( isset( $_COOKIE["{$wgCookiePrefix}Token"] ) ) {
+			$passwordCorrect = $user->mToken == $_COOKIE["{$wgCookiePrefix}Token"];
+		} else {
+			return new User(); # Can't log in from session
+		}
+
+		if ( ( $sName == $user->mName ) && $passwordCorrect ) {
+			if($makenew) {
+				if($wgMemc->set( $key, $user ))
+					wfDebug( "User::loadFromSession() successfully saved user\n" );
+				else
+					wfDebug( "User::loadFromSession() unable to save to memcached\n" );
+			}
+			return $user;
+		}
+		return new User(); # Can't log in from session
+	}
+
+	/**
+	 * Load a user from the database
+	 */
+	function loadFromDatabase() {
+		$fname = "User::loadFromDatabase";
+
+		# Counter-intuitive, breaks various things, use User::setLoaded() if you want to suppress
+		# loading in a command line script, don't assume all command line scripts need it like this
+		#if ( $this->mDataLoaded || $wgCommandLineMode ) {
+		if ( $this->mDataLoaded ) {
+			return;
+		}
+
+		# Paranoia
+		$this->mId = intval( $this->mId );
+
+		/** Anonymous user */
+		if( !$this->mId ) {
+			/** Get rights */
+			$this->mRights = $this->getGroupPermissions( array( '*' ) );
+			$this->mDataLoaded = true;
+			return;
+		} # the following stuff is for non-anonymous users only
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$s = $dbr->selectRow( 'user', array( 'user_name','user_password','user_newpassword','user_email',
+		  'user_email_authenticated',
+		  'user_real_name','user_options','user_touched', 'user_token', 'user_registration' ),
+		  array( 'user_id' => $this->mId ), $fname );
+
+		if ( $s !== false ) {
+			$this->mName = $s->user_name;
+			$this->mEmail = $s->user_email;
+			$this->mEmailAuthenticated = wfTimestampOrNull( TS_MW, $s->user_email_authenticated );
+			$this->mRealName = $s->user_real_name;
+			$this->mPassword = $s->user_password;
+			$this->mNewpassword = $s->user_newpassword;
+			$this->decodeOptions( $s->user_options );
+			$this->mTouched = wfTimestamp(TS_MW,$s->user_touched);
+			$this->mToken = $s->user_token;
+			$this->mRegistration = wfTimestampOrNull( TS_MW, $s->user_registration );
+
+			$res = $dbr->select( 'user_groups',
+				array( 'ug_group' ),
+				array( 'ug_user' => $this->mId ),
+				$fname );
+			$this->mGroups = array();
+			while( $row = $dbr->fetchObject( $res ) ) {
+				$this->mGroups[] = $row->ug_group;
+			}
+			$implicitGroups = array( '*', 'user' );
+
+			global $wgAutoConfirmAge;
+			$accountAge = time() - wfTimestampOrNull( TS_UNIX, $this->mRegistration );
+			if( $accountAge >= $wgAutoConfirmAge ) {
+				$implicitGroups[] = 'autoconfirmed';
+			}
+			
+			# Implicit group for users whose email addresses are confirmed
+			global $wgEmailAuthentication;
+			if( $this->isValidEmailAddr( $this->mEmail ) ) {
+				if( $wgEmailAuthentication ) {
+					if( $this->mEmailAuthenticated )
+						$implicitGroups[] = 'emailconfirmed';
+				} else {
+					$implicitGroups[] = 'emailconfirmed';
+				}
+			}
+
+			$effectiveGroups = array_merge( $implicitGroups, $this->mGroups );
+			$this->mRights = $this->getGroupPermissions( $effectiveGroups );
+		}
+
+		$this->mDataLoaded = true;
+	}
+
+	function getID() { return $this->mId; }
+	function setID( $v ) {
+		$this->mId = $v;
+		$this->mDataLoaded = false;
+	}
+
+	function getName() {
+		$this->loadFromDatabase();
+		if ( $this->mName === false ) {
+			$this->mName = wfGetIP();
+		}
+		return $this->mName;
+	}
+
+	function setName( $str ) {
+		$this->loadFromDatabase();
+		$this->mName = $str;
+	}
+
+
+	/**
+	 * Return the title dbkey form of the name, for eg user pages.
+	 * @return string
+	 * @public
+	 */
+	function getTitleKey() {
+		return str_replace( ' ', '_', $this->getName() );
+	}
+
+	function getNewtalk() {
+		$this->loadFromDatabase();
+
+		# Load the newtalk status if it is unloaded (mNewtalk=-1)
+		if( $this->mNewtalk === -1 ) {
+			$this->mNewtalk = false; # reset talk page status
+
+			# Check memcached separately for anons, who have no
+			# entire User object stored in there.
+			if( !$this->mId ) {
+				global $wgDBname, $wgMemc;
+				$key = "$wgDBname:newtalk:ip:" . $this->getName();
+				$newtalk = $wgMemc->get( $key );
+				if( is_integer( $newtalk ) ) {
+					$this->mNewtalk = (bool)$newtalk;
+				} else {
+					$this->mNewtalk = $this->checkNewtalk( 'user_ip', $this->getName() );
+					$wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
+				}
+			} else {
+				$this->mNewtalk = $this->checkNewtalk( 'user_id', $this->mId );
+			}
+		}
+
+		return (bool)$this->mNewtalk;
+	}
+
+	/**
+	 * Return the talk page(s) this user has new messages on.
+	 */
+	function getNewMessageLinks() {
+	global	$wgDBname;
+		$talks = array();
+		if (!wfRunHooks('UserRetrieveNewTalks', array(&$this, &$talks)))
+			return $talks;
+
+		if (!$this->getNewtalk())
+			return array();
+		$up = $this->getUserPage();
+		$utp = $up->getTalkPage();
+		return array(array("wiki" => $wgDBname, "link" => $utp->getLocalURL()));
+	}
+
+		
+	/**
+	 * Perform a user_newtalk check on current slaves; if the memcached data
+	 * is funky we don't want newtalk state to get stuck on save, as that's
+	 * damn annoying.
+	 *
+	 * @param string $field
+	 * @param mixed $id
+	 * @return bool
+	 * @private
+	 */
+	function checkNewtalk( $field, $id ) {
+		$fname = 'User::checkNewtalk';
+		$dbr =& wfGetDB( DB_SLAVE );
+		$ok = $dbr->selectField( 'user_newtalk', $field,
+			array( $field => $id ), $fname );
+		return $ok !== false;
+	}
+
+	/**
+	 * Add or update the
+	 * @param string $field
+	 * @param mixed $id
+	 * @private
+	 */
+	function updateNewtalk( $field, $id ) {
+		$fname = 'User::updateNewtalk';
+		if( $this->checkNewtalk( $field, $id ) ) {
+			wfDebug( "$fname already set ($field, $id), ignoring\n" );
+			return false;
+		}
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->insert( 'user_newtalk',
+			array( $field => $id ),
+			$fname,
+			'IGNORE' );
+		wfDebug( "$fname: set on ($field, $id)\n" );
+		return true;
+	}
+
+	/**
+	 * Clear the new messages flag for the given user
+	 * @param string $field
+	 * @param mixed $id
+	 * @private
+	 */
+	function deleteNewtalk( $field, $id ) {
+		$fname = 'User::deleteNewtalk';
+		if( !$this->checkNewtalk( $field, $id ) ) {
+			wfDebug( "$fname: already gone ($field, $id), ignoring\n" );
+			return false;
+		}
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->delete( 'user_newtalk',
+			array( $field => $id ),
+			$fname );
+		wfDebug( "$fname: killed on ($field, $id)\n" );
+		return true;
+	}
+
+	/**
+	 * Update the 'You have new messages!' status.
+	 * @param bool $val
+	 */
+	function setNewtalk( $val ) {
+		if( wfReadOnly() ) {
+			return;
+		}
+
+		$this->loadFromDatabase();
+		$this->mNewtalk = $val;
+
+		$fname = 'User::setNewtalk';
+
+		if( $this->isAnon() ) {
+			$field = 'user_ip';
+			$id = $this->getName();
+		} else {
+			$field = 'user_id';
+			$id = $this->getId();
+		}
+
+		if( $val ) {
+			$changed = $this->updateNewtalk( $field, $id );
+		} else {
+			$changed = $this->deleteNewtalk( $field, $id );
+		}
+
+		if( $changed ) {
+			if( $this->isAnon() ) {
+				// Anons have a separate memcached space, since
+				// user records aren't kept for them.
+				global $wgDBname, $wgMemc;
+				$key = "$wgDBname:newtalk:ip:$val";
+				$wgMemc->set( $key, $val ? 1 : 0 );
+			} else {
+				if( $val ) {
+					// Make sure the user page is watched, so a notification
+					// will be sent out if enabled.
+					$this->addWatch( $this->getTalkPage() );
+				}
+			}
+			$this->invalidateCache();
+			$this->saveSettings();
+		}
+	}
+
+	function invalidateCache() {
+		global $wgClockSkewFudge;
+		$this->loadFromDatabase();
+		$this->mTouched = wfTimestamp(TS_MW, time() + $wgClockSkewFudge );
+		# Don't forget to save the options after this or
+		# it won't take effect!
+	}
+
+	function validateCache( $timestamp ) {
+		$this->loadFromDatabase();
+		return ($timestamp >= $this->mTouched);
+	}
+
+	/**
+	 * Encrypt a password.
+	 * It can eventuall salt a password @see User::addSalt()
+	 * @param string $p clear Password.
+	 * @return string Encrypted password.
+	 */
+	function encryptPassword( $p ) {
+		return wfEncryptPassword( $this->mId, $p );
+	}
+
+	# Set the password and reset the random token
+	function setPassword( $str ) {
+		$this->loadFromDatabase();
+		$this->setToken();
+		$this->mPassword = $this->encryptPassword( $str );
+		$this->mNewpassword = '';
+	}
+
+	# Set the random token (used for persistent authentication)
+	function setToken( $token = false ) {
+		global $wgSecretKey, $wgProxyKey, $wgDBname;
+		if ( !$token ) {
+			if ( $wgSecretKey ) {
+				$key = $wgSecretKey;
+			} elseif ( $wgProxyKey ) {
+				$key = $wgProxyKey;
+			} else {
+				$key = microtime();
+			}
+			$this->mToken = md5( $key . mt_rand( 0, 0x7fffffff ) . $wgDBname . $this->mId );
+		} else {
+			$this->mToken = $token;
+		}
+	}
+
+
+	function setCookiePassword( $str ) {
+		$this->loadFromDatabase();
+		$this->mCookiePassword = md5( $str );
+	}
+
+	function setNewpassword( $str ) {
+		$this->loadFromDatabase();
+		$this->mNewpassword = $this->encryptPassword( $str );
+	}
+
+	function getEmail() {
+		$this->loadFromDatabase();
+		return $this->mEmail;
+	}
+
+	function getEmailAuthenticationTimestamp() {
+		$this->loadFromDatabase();
+		return $this->mEmailAuthenticated;
+	}
+
+	function setEmail( $str ) {
+		$this->loadFromDatabase();
+		$this->mEmail = $str;
+	}
+
+	function getRealName() {
+		$this->loadFromDatabase();
+		return $this->mRealName;
+	}
+
+	function setRealName( $str ) {
+		$this->loadFromDatabase();
+		$this->mRealName = $str;
+	}
+
+	/**
+	 * @param string $oname The option to check
+	 * @return string
+	 */
+	function getOption( $oname ) {
+		$this->loadFromDatabase();
+		if ( array_key_exists( $oname, $this->mOptions ) ) {
+			return trim( $this->mOptions[$oname] );
+		} else {
+			return '';
+		}
+	}
+
+	/**
+	 * @param string $oname The option to check
+	 * @return bool False if the option is not selected, true if it is
+	 */
+	function getBoolOption( $oname ) {
+		return (bool)$this->getOption( $oname );
+	}
+	
+	/**
+	 * Get an option as an integer value from the source string.
+	 * @param string $oname The option to check
+	 * @param int $default Optional value to return if option is unset/blank.
+	 * @return int
+	 */
+	function getIntOption( $oname, $default=0 ) {
+		$val = $this->getOption( $oname );
+		if( $val == '' ) {
+			$val = $default;
+		}
+		return intval( $val );
+	}
+
+	function setOption( $oname, $val ) {
+		$this->loadFromDatabase();
+		if ( $oname == 'skin' ) {
+			# Clear cached skin, so the new one displays immediately in Special:Preferences
+			unset( $this->mSkin );
+		}
+		// Filter out any newlines that may have passed through input validation.
+		// Newlines are used to separate items in the options blob.
+		$val = str_replace( "\r\n", "\n", $val );
+		$val = str_replace( "\r", "\n", $val );
+		$val = str_replace( "\n", " ", $val );
+		$this->mOptions[$oname] = $val;
+		$this->invalidateCache();
+	}
+
+	function getRights() {
+		$this->loadFromDatabase();
+		return $this->mRights;
+	}
+
+	/**
+	 * Get the list of explicit group memberships this user has.
+	 * The implicit * and user groups are not included.
+	 * @return array of strings
+	 */
+	function getGroups() {
+		$this->loadFromDatabase();
+		return $this->mGroups;
+	}
+
+	/**
+	 * Get the list of implicit group memberships this user has.
+	 * This includes all explicit groups, plus 'user' if logged in
+	 * and '*' for all accounts.
+	 * @return array of strings
+	 */
+	function getEffectiveGroups() {
+		$base = array( '*' );
+		if( $this->isLoggedIn() ) {
+			$base[] = 'user';
+		}
+		return array_merge( $base, $this->getGroups() );
+	}
+
+	/**
+	 * Add the user to the given group.
+	 * This takes immediate effect.
+	 * @string $group
+	 */
+	function addGroup( $group ) {
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->insert( 'user_groups',
+			array(
+				'ug_user'  => $this->getID(),
+				'ug_group' => $group,
+			),
+			'User::addGroup',
+			array( 'IGNORE' ) );
+
+		$this->mGroups = array_merge( $this->mGroups, array( $group ) );
+		$this->mRights = User::getGroupPermissions( $this->getEffectiveGroups() );
+
+		$this->invalidateCache();
+		$this->saveSettings();
+	}
+
+	/**
+	 * Remove the user from the given group.
+	 * This takes immediate effect.
+	 * @string $group
+	 */
+	function removeGroup( $group ) {
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->delete( 'user_groups',
+			array(
+				'ug_user'  => $this->getID(),
+				'ug_group' => $group,
+			),
+			'User::removeGroup' );
+
+		$this->mGroups = array_diff( $this->mGroups, array( $group ) );
+		$this->mRights = User::getGroupPermissions( $this->getEffectiveGroups() );
+
+		$this->invalidateCache();
+		$this->saveSettings();
+	}
+
+
+	/**
+	 * A more legible check for non-anonymousness.
+	 * Returns true if the user is not an anonymous visitor.
+	 *
+	 * @return bool
+	 */
+	function isLoggedIn() {
+		return( $this->getID() != 0 );
+	}
+
+	/**
+	 * A more legible check for anonymousness.
+	 * Returns true if the user is an anonymous visitor.
+	 *
+	 * @return bool
+	 */
+	function isAnon() {
+		return !$this->isLoggedIn();
+	}
+
+	/**
+	 * Deprecated in 1.6, die in 1.7, to be removed in 1.8
+	 * @deprecated
+	 */
+	function isSysop() {
+		throw new MWException( "Call to deprecated (v1.7) User::isSysop() method\n" );
+		#return $this->isAllowed( 'protect' );
+	}
+
+	/**
+	 * Deprecated in 1.6, die in 1.7, to be removed in 1.8
+	 * @deprecated
+	 */
+	function isDeveloper() {
+		throw new MWException( "Call to deprecated (v1.7) User::isDeveloper() method\n" );
+		#return $this->isAllowed( 'siteadmin' );
+	}
+
+	/**
+	 * Deprecated in 1.6, die in 1.7, to be removed in 1.8
+	 * @deprecated
+	 */
+	function isBureaucrat() {
+		throw new MWException( "Call to deprecated (v1.7) User::isBureaucrat() method\n" );
+		#return $this->isAllowed( 'makesysop' );
+	}
+
+	/**
+	 * Whether the user is a bot
+	 * @todo need to be migrated to the new user level management sytem
+	 */
+	function isBot() {
+		$this->loadFromDatabase();
+		return in_array( 'bot', $this->mRights );
+	}
+
+	/**
+	 * Check if user is allowed to access a feature / make an action
+	 * @param string $action Action to be checked (see $wgAvailableRights in Defines.php for possible actions).
+	 * @return boolean True: action is allowed, False: action should not be allowed
+	 */
+	function isAllowed($action='') {
+		if ( $action === '' )
+			// In the spirit of DWIM
+			return true;
+
+		$this->loadFromDatabase();
+		return in_array( $action , $this->mRights );
+	}
+
+	/**
+	 * Load a skin if it doesn't exist or return it
+	 * @todo FIXME : need to check the old failback system [AV]
+	 */
+	function &getSkin() {
+		global $IP, $wgRequest;
+		if ( ! isset( $this->mSkin ) ) {
+			$fname = 'User::getSkin';
+			wfProfileIn( $fname );
+
+			# get the user skin
+			$userSkin = $this->getOption( 'skin' );
+			$userSkin = $wgRequest->getVal('useskin', $userSkin);
+
+			$this->mSkin =& Skin::newFromKey( $userSkin );
+			wfProfileOut( $fname );
+		}
+		return $this->mSkin;
+	}
+
+	/**#@+
+	 * @param string $title Article title to look at
+	 */
+
+	/**
+	 * Check watched status of an article
+	 * @return bool True if article is watched
+	 */
+	function isWatched( $title ) {
+		$wl = WatchedItem::fromUserTitle( $this, $title );
+		return $wl->isWatched();
+	}
+
+	/**
+	 * Watch an article
+	 */
+	function addWatch( $title ) {
+		$wl = WatchedItem::fromUserTitle( $this, $title );
+		$wl->addWatch();
+		$this->invalidateCache();
+	}
+
+	/**
+	 * Stop watching an article
+	 */
+	function removeWatch( $title ) {
+		$wl = WatchedItem::fromUserTitle( $this, $title );
+		$wl->removeWatch();
+		$this->invalidateCache();
+	}
+
+	/**
+	 * Clear the user's notification timestamp for the given title.
+	 * If e-notif e-mails are on, they will receive notification mails on
+	 * the next change of the page if it's watched etc.
+	 */
+	function clearNotification( &$title ) {
+		global $wgUser, $wgUseEnotif;
+
+
+		if ($title->getNamespace() == NS_USER_TALK &&
+			$title->getText() == $this->getName() ) {
+			if (!wfRunHooks('UserClearNewTalkNotification', array(&$this)))
+				return;
+			$this->setNewtalk( false );
+		}
+
+		if( !$wgUseEnotif ) {
+			return;
+		}
+
+		if( $this->isAnon() ) {
+			// Nothing else to do...
+			return;
+		}
+
+		// Only update the timestamp if the page is being watched.
+		// The query to find out if it is watched is cached both in memcached and per-invocation,
+		// and when it does have to be executed, it can be on a slave
+		// If this is the user's newtalk page, we always update the timestamp
+		if ($title->getNamespace() == NS_USER_TALK &&
+			$title->getText() == $wgUser->getName())
+		{
+			$watched = true;
+		} elseif ( $this->getID() == $wgUser->getID() ) {
+			$watched = $title->userIsWatching();
+		} else {
+			$watched = true;
+		}
+
+		// If the page is watched by the user (or may be watched), update the timestamp on any
+		// any matching rows
+		if ( $watched ) {
+			$dbw =& wfGetDB( DB_MASTER );
+			$success = $dbw->update( 'watchlist',
+					array( /* SET */
+						'wl_notificationtimestamp' => NULL
+					), array( /* WHERE */
+						'wl_title' => $title->getDBkey(),
+						'wl_namespace' => $title->getNamespace(),
+						'wl_user' => $this->getID()
+					), 'User::clearLastVisited'
+			);
+		}
+	}
+
+	/**#@-*/
+
+	/**
+	 * Resets all of the given user's page-change notification timestamps.
+	 * If e-notif e-mails are on, they will receive notification mails on
+	 * the next change of any watched page.
+	 *
+	 * @param int $currentUser user ID number
+	 * @public
+	 */
+	function clearAllNotifications( $currentUser ) {
+		global $wgUseEnotif;
+		if ( !$wgUseEnotif ) {
+			$this->setNewtalk( false );
+			return;
+		}
+		if( $currentUser != 0 )  {
+
+			$dbw =& wfGetDB( DB_MASTER );
+			$success = $dbw->update( 'watchlist',
+				array( /* SET */
+					'wl_notificationtimestamp' => 0
+				), array( /* WHERE */
+					'wl_user' => $currentUser
+				), 'UserMailer::clearAll'
+			);
+
+		# 	we also need to clear here the "you have new message" notification for the own user_talk page
+		#	This is cleared one page view later in Article::viewUpdates();
+		}
+	}
+
+	/**
+	 * @private
+	 * @return string Encoding options
+	 */
+	function encodeOptions() {
+		$a = array();
+		foreach ( $this->mOptions as $oname => $oval ) {
+			array_push( $a, $oname.'='.$oval );
+		}
+		$s = implode( "\n", $a );
+		return $s;
+	}
+
+	/**
+	 * @private
+	 */
+	function decodeOptions( $str ) {
+		$a = explode( "\n", $str );
+		foreach ( $a as $s ) {
+			if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
+				$this->mOptions[$m[1]] = $m[2];
+			}
+		}
+	}
+
+	function setCookies() {
+		global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgCookieSecure, $wgCookiePrefix;
+		if ( 0 == $this->mId ) return;
+		$this->loadFromDatabase();
+		$exp = time() + $wgCookieExpiration;
+
+		$_SESSION['wsUserID'] = $this->mId;
+		setcookie( $wgCookiePrefix.'UserID', $this->mId, $exp, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+
+		$_SESSION['wsUserName'] = $this->getName();
+		setcookie( $wgCookiePrefix.'UserName', $this->getName(), $exp, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+
+		$_SESSION['wsToken'] = $this->mToken;
+		if ( 1 == $this->getOption( 'rememberpassword' ) ) {
+			setcookie( $wgCookiePrefix.'Token', $this->mToken, $exp, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+		} else {
+			setcookie( $wgCookiePrefix.'Token', '', time() - 3600 );
+		}
+	}
+
+	/**
+	 * Logout user
+	 * It will clean the session cookie
+	 */
+	function logout() {
+		global $wgCookiePath, $wgCookieDomain, $wgCookieSecure, $wgCookiePrefix;
+		$this->loadDefaults();
+		$this->setLoaded( true );
+
+		$_SESSION['wsUserID'] = 0;
+
+		setcookie( $wgCookiePrefix.'UserID', '', time() - 3600, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+		setcookie( $wgCookiePrefix.'Token', '', time() - 3600, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+
+		# Remember when user logged out, to prevent seeing cached pages
+		setcookie( $wgCookiePrefix.'LoggedOut', wfTimestampNow(), time() + 86400, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+	}
+
+	/**
+	 * Save object settings into database
+	 */
+	function saveSettings() {
+		global $wgMemc, $wgDBname;
+		$fname = 'User::saveSettings';
+
+		if ( wfReadOnly() ) { return; }
+		if ( 0 == $this->mId ) { return; }
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->update( 'user',
+			array( /* SET */
+				'user_name' => $this->mName,
+				'user_password' => $this->mPassword,
+				'user_newpassword' => $this->mNewpassword,
+				'user_real_name' => $this->mRealName,
+		 		'user_email' => $this->mEmail,
+		 		'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
+				'user_options' => $this->encodeOptions(),
+				'user_touched' => $dbw->timestamp($this->mTouched),
+				'user_token' => $this->mToken
+			), array( /* WHERE */
+				'user_id' => $this->mId
+			), $fname
+		);
+		$wgMemc->delete( "$wgDBname:user:id:$this->mId" );
+	}
+
+
+	/**
+	 * Checks if a user with the given name exists, returns the ID
+	 */
+	function idForName() {
+		$fname = 'User::idForName';
+
+		$gotid = 0;
+		$s = trim( $this->getName() );
+		if ( 0 == strcmp( '', $s ) ) return 0;
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$id = $dbr->selectField( 'user', 'user_id', array( 'user_name' => $s ), $fname );
+		if ( $id === false ) {
+			$id = 0;
+		}
+		return $id;
+	}
+
+	/**
+	 * Add user object to the database
+	 */
+	function addToDatabase() {
+		$fname = 'User::addToDatabase';
+		$dbw =& wfGetDB( DB_MASTER );
+		$seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
+		$dbw->insert( 'user',
+			array(
+				'user_id' => $seqVal,
+				'user_name' => $this->mName,
+				'user_password' => $this->mPassword,
+				'user_newpassword' => $this->mNewpassword,
+				'user_email' => $this->mEmail,
+				'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
+				'user_real_name' => $this->mRealName,
+				'user_options' => $this->encodeOptions(),
+				'user_token' => $this->mToken,
+				'user_registration' => $dbw->timestamp( $this->mRegistration ),
+			), $fname
+		);
+		$this->mId = $dbw->insertId();
+	}
+
+	function spreadBlock() {
+		# If the (non-anonymous) user is blocked, this function will block any IP address
+		# that they successfully log on from.
+		$fname = 'User::spreadBlock';
+
+		wfDebug( "User:spreadBlock()\n" );
+		if ( $this->mId == 0 ) {
+			return;
+		}
+
+		$userblock = Block::newFromDB( '', $this->mId );
+		if ( !$userblock->isValid() ) {
+			return;
+		}
+
+		# Check if this IP address is already blocked
+		$ipblock = Block::newFromDB( wfGetIP() );
+		if ( $ipblock->isValid() ) {
+			# If the user is already blocked. Then check if the autoblock would
+			# excede the user block. If it would excede, then do nothing, else
+			# prolong block time
+			if ($userblock->mExpiry &&
+				($userblock->mExpiry < Block::getAutoblockExpiry($ipblock->mTimestamp))) {
+				return;
+			}
+			# Just update the timestamp
+			$ipblock->updateTimestamp();
+			return;
+		}
+
+		# Make a new block object with the desired properties
+		wfDebug( "Autoblocking {$this->mName}@" . wfGetIP() . "\n" );
+		$ipblock->mAddress = wfGetIP();
+		$ipblock->mUser = 0;
+		$ipblock->mBy = $userblock->mBy;
+		$ipblock->mReason = wfMsg( 'autoblocker', $this->getName(), $userblock->mReason );
+		$ipblock->mTimestamp = wfTimestampNow();
+		$ipblock->mAuto = 1;
+		# If the user is already blocked with an expiry date, we don't
+		# want to pile on top of that!
+		if($userblock->mExpiry) {
+			$ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
+		} else {
+			$ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
+		}
+
+		# Insert it
+		$ipblock->insert();
+
+	}
+
+	/**
+	 * Generate a string which will be different for any combination of
+	 * user options which would produce different parser output.
+	 * This will be used as part of the hash key for the parser cache,
+	 * so users will the same options can share the same cached data
+	 * safely.
+	 *
+	 * Extensions which require it should install 'PageRenderingHash' hook,
+	 * which will give them a chance to modify this key based on their own
+	 * settings.
+	 *
+	 * @return string
+	 */
+	function getPageRenderingHash() {
+		global $wgContLang;
+		if( $this->mHash ){
+			return $this->mHash;
+		}
+
+		// stubthreshold is only included below for completeness,
+		// it will always be 0 when this function is called by parsercache.
+
+		$confstr =        $this->getOption( 'math' );
+		$confstr .= '!' . $this->getOption( 'stubthreshold' );
+		$confstr .= '!' . $this->getOption( 'date' );
+		$confstr .= '!' . ($this->getOption( 'numberheadings' ) ? '1' : '');
+		$confstr .= '!' . $this->getOption( 'language' );
+		$confstr .= '!' . $this->getOption( 'thumbsize' );
+		// add in language specific options, if any
+		$extra = $wgContLang->getExtraHashOptions();
+		$confstr .= $extra;
+
+		// Give a chance for extensions to modify the hash, if they have
+		// extra options or other effects on the parser cache.
+		wfRunHooks( 'PageRenderingHash', array( &$confstr ) );
+
+		$this->mHash = $confstr;
+		return $confstr;
+	}
+
+	function isAllowedToCreateAccount() {
+		return $this->isAllowed( 'createaccount' ) && !$this->isBlocked();
+	}
+
+	/**
+	 * Set mDataLoaded, return previous value
+	 * Use this to prevent DB access in command-line scripts or similar situations
+	 */
+	function setLoaded( $loaded ) {
+		return wfSetVar( $this->mDataLoaded, $loaded );
+	}
+
+	/**
+	 * Get this user's personal page title.
+	 *
+	 * @return Title
+	 * @public
+	 */
+	function getUserPage() {
+		return Title::makeTitle( NS_USER, $this->getName() );
+	}
+
+	/**
+	 * Get this user's talk page title.
+	 *
+	 * @return Title
+	 * @public
+	 */
+	function getTalkPage() {
+		$title = $this->getUserPage();
+		return $title->getTalkPage();
+	}
+
+	/**
+	 * @static
+	 */
+	function getMaxID() {
+		static $res; // cache
+
+		if ( isset( $res ) )
+			return $res;
+		else {
+			$dbr =& wfGetDB( DB_SLAVE );
+			return $res = $dbr->selectField( 'user', 'max(user_id)', false, 'User::getMaxID' );
+		}
+	}
+
+	/**
+	 * Determine whether the user is a newbie. Newbies are either
+	 * anonymous IPs, or the most recently created accounts.
+	 * @return bool True if it is a newbie.
+	 */
+	function isNewbie() {
+		return !$this->isAllowed( 'autoconfirmed' );
+	}
+
+	/**
+	 * Check to see if the given clear-text password is one of the accepted passwords
+	 * @param string $password User password.
+	 * @return bool True if the given password is correct otherwise False.
+	 */
+	function checkPassword( $password ) {
+		global $wgAuth, $wgMinimalPasswordLength;
+		$this->loadFromDatabase();
+
+		// Even though we stop people from creating passwords that
+		// are shorter than this, doesn't mean people wont be able
+		// to. Certain authentication plugins do NOT want to save
+		// domain passwords in a mysql database, so we should
+		// check this (incase $wgAuth->strict() is false).
+		if( strlen( $password ) < $wgMinimalPasswordLength ) {
+			return false;
+		}
+
+		if( $wgAuth->authenticate( $this->getName(), $password ) ) {
+			return true;
+		} elseif( $wgAuth->strict() ) {
+			/* Auth plugin doesn't allow local authentication */
+			return false;
+		}
+		$ep = $this->encryptPassword( $password );
+		if ( 0 == strcmp( $ep, $this->mPassword ) ) {
+			return true;
+		} elseif ( ($this->mNewpassword != '') && (0 == strcmp( $ep, $this->mNewpassword )) ) {
+			return true;
+		} elseif ( function_exists( 'iconv' ) ) {
+			# Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
+			# Check for this with iconv
+			$cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
+			if ( 0 == strcmp( $cp1252hash, $this->mPassword ) ) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Initialize (if necessary) and return a session token value
+	 * which can be used in edit forms to show that the user's
+	 * login credentials aren't being hijacked with a foreign form
+	 * submission.
+	 *
+	 * @param mixed $salt - Optional function-specific data for hash.
+	 *                      Use a string or an array of strings.
+	 * @return string
+	 * @public
+	 */
+	function editToken( $salt = '' ) {
+		if( !isset( $_SESSION['wsEditToken'] ) ) {
+			$token = $this->generateToken();
+			$_SESSION['wsEditToken'] = $token;
+		} else {
+			$token = $_SESSION['wsEditToken'];
+		}
+		if( is_array( $salt ) ) {
+			$salt = implode( '|', $salt );
+		}
+		return md5( $token . $salt );
+	}
+
+	/**
+	 * Generate a hex-y looking random token for various uses.
+	 * Could be made more cryptographically sure if someone cares.
+	 * @return string
+	 */
+	function generateToken( $salt = '' ) {
+		$token = dechex( mt_rand() ) . dechex( mt_rand() );
+		return md5( $token . $salt );
+	}
+
+	/**
+	 * Check given value against the token value stored in the session.
+	 * A match should confirm that the form was submitted from the
+	 * user's own login session, not a form submission from a third-party
+	 * site.
+	 *
+	 * @param string $val - the input value to compare
+	 * @param string $salt - Optional function-specific data for hash
+	 * @return bool
+	 * @public
+	 */
+	function matchEditToken( $val, $salt = '' ) {
+		global $wgMemc;
+		$sessionToken = $this->editToken( $salt );
+		if ( $val != $sessionToken ) {
+			wfDebug( "User::matchEditToken: broken session data\n" );
+		}
+		return $val == $sessionToken;
+	}
+
+	/**
+	 * Generate a new e-mail confirmation token and send a confirmation
+	 * mail to the user's given address.
+	 *
+	 * @return mixed True on success, a WikiError object on failure.
+	 */
+	function sendConfirmationMail() {
+		global $wgContLang;
+		$url = $this->confirmationTokenUrl( $expiration );
+		return $this->sendMail( wfMsg( 'confirmemail_subject' ),
+			wfMsg( 'confirmemail_body',
+				wfGetIP(),
+				$this->getName(),
+				$url,
+				$wgContLang->timeanddate( $expiration, false ) ) );
+	}
+
+	/**
+	 * Send an e-mail to this user's account. Does not check for
+	 * confirmed status or validity.
+	 *
+	 * @param string $subject
+	 * @param string $body
+	 * @param strong $from Optional from address; default $wgPasswordSender will be used otherwise.
+	 * @return mixed True on success, a WikiError object on failure.
+	 */
+	function sendMail( $subject, $body, $from = null ) {
+		if( is_null( $from ) ) {
+			global $wgPasswordSender;
+			$from = $wgPasswordSender;
+		}
+
+		require_once( 'UserMailer.php' );
+		$to = new MailAddress( $this );
+		$sender = new MailAddress( $from );
+		$error = userMailer( $to, $sender, $subject, $body );
+
+		if( $error == '' ) {
+			return true;
+		} else {
+			return new WikiError( $error );
+		}
+	}
+
+	/**
+	 * Generate, store, and return a new e-mail confirmation code.
+	 * A hash (unsalted since it's used as a key) is stored.
+	 * @param &$expiration mixed output: accepts the expiration time
+	 * @return string
+	 * @private
+	 */
+	function confirmationToken( &$expiration ) {
+		$fname = 'User::confirmationToken';
+
+		$now = time();
+		$expires = $now + 7 * 24 * 60 * 60;
+		$expiration = wfTimestamp( TS_MW, $expires );
+
+		$token = $this->generateToken( $this->mId . $this->mEmail . $expires );
+		$hash = md5( $token );
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->update( 'user',
+			array( 'user_email_token'         => $hash,
+			       'user_email_token_expires' => $dbw->timestamp( $expires ) ),
+			array( 'user_id'                  => $this->mId ),
+			$fname );
+
+		return $token;
+	}
+
+	/**
+	 * Generate and store a new e-mail confirmation token, and return
+	 * the URL the user can use to confirm.
+	 * @param &$expiration mixed output: accepts the expiration time
+	 * @return string
+	 * @private
+	 */
+	function confirmationTokenUrl( &$expiration ) {
+		$token = $this->confirmationToken( $expiration );
+		$title = Title::makeTitle( NS_SPECIAL, 'Confirmemail/' . $token );
+		return $title->getFullUrl();
+	}
+
+	/**
+	 * Mark the e-mail address confirmed and save.
+	 */
+	function confirmEmail() {
+		$this->loadFromDatabase();
+		$this->mEmailAuthenticated = wfTimestampNow();
+		$this->saveSettings();
+		return true;
+	}
+
+	/**
+	 * Is this user allowed to send e-mails within limits of current
+	 * site configuration?
+	 * @return bool
+	 */
+	function canSendEmail() {
+		return $this->isEmailConfirmed();
+	}
+
+	/**
+	 * Is this user allowed to receive e-mails within limits of current
+	 * site configuration?
+	 * @return bool
+	 */
+	function canReceiveEmail() {
+		return $this->canSendEmail() && !$this->getOption( 'disablemail' );
+	}
+
+	/**
+	 * Is this user's e-mail address valid-looking and confirmed within
+	 * limits of the current site configuration?
+	 *
+	 * If $wgEmailAuthentication is on, this may require the user to have
+	 * confirmed their address by returning a code or using a password
+	 * sent to the address from the wiki.
+	 *
+	 * @return bool
+	 */
+	function isEmailConfirmed() {
+		global $wgEmailAuthentication;
+		$this->loadFromDatabase();
+		$confirmed = true;
+		if( wfRunHooks( 'EmailConfirmed', array( &$this, &$confirmed ) ) ) {
+			if( $this->isAnon() )
+				return false;
+			if( !$this->isValidEmailAddr( $this->mEmail ) )
+				return false;
+			if( $wgEmailAuthentication && !$this->getEmailAuthenticationTimestamp() )
+				return false;
+			return true;
+		} else {
+			return $confirmed;
+		}
+	}
+
+	/**
+	 * @param array $groups list of groups
+	 * @return array list of permission key names for given groups combined
+	 * @static
+	 */
+	function getGroupPermissions( $groups ) {
+		global $wgGroupPermissions;
+		$rights = array();
+		foreach( $groups as $group ) {
+			if( isset( $wgGroupPermissions[$group] ) ) {
+				$rights = array_merge( $rights,
+					array_keys( array_filter( $wgGroupPermissions[$group] ) ) );
+			}
+		}
+		return $rights;
+	}
+
+	/**
+	 * @param string $group key name
+	 * @return string localized descriptive name for group, if provided
+	 * @static
+	 */
+	function getGroupName( $group ) {
+		$key = "group-$group";
+		$name = wfMsg( $key );
+		if( $name == '' || $name == "&lt;$key&gt;" ) {
+			return $group;
+		} else {
+			return $name;
+		}
+	}
+
+	/**
+	 * @param string $group key name
+	 * @return string localized descriptive name for member of a group, if provided
+	 * @static
+	 */
+	function getGroupMember( $group ) {
+		$key = "group-$group-member";
+		$name = wfMsg( $key );
+		if( $name == '' || $name == "&lt;$key&gt;" ) {
+			return $group;
+		} else {
+			return $name;
+		}
+	}
+
+
+	/**
+	 * Return the set of defined explicit groups.
+	 * The *, 'user', 'autoconfirmed' and 'emailconfirmed'
+	 * groups are not included, as they are defined
+	 * automatically, not in the database.
+	 * @return array
+	 * @static
+	 */
+	function getAllGroups() {
+		global $wgGroupPermissions;
+		return array_diff(
+			array_keys( $wgGroupPermissions ),
+			array( '*', 'user', 'autoconfirmed', 'emailconfirmed' ) );
+	}
+	
+	/**
+	 * Get the title of a page describing a particular group
+	 *
+	 * @param $group Name of the group
+	 * @return mixed
+	 */
+	function getGroupPage( $group ) {
+		$page = wfMsgForContent( 'grouppage-' . $group );
+		if( !wfEmptyMsg( 'grouppage-' . $group, $page ) ) {
+			$title = Title::newFromText( $page );
+			if( is_object( $title ) )
+				return $title;
+		}
+		return false;
+	}
+	
+	
+}
+
+?>
diff --git a/includes/UserMailer.php b/includes/UserMailer.php
new file mode 100644
index 00000000..8de39a64
--- /dev/null
+++ b/includes/UserMailer.php
@@ -0,0 +1,414 @@
+<?php
+/**
+ * UserMailer.php
+ *  Copyright (C) 2004 Thomas Gries <mail@tgries.de>
+ * http://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @author <brion@pobox.com>
+ * @author <mail@tgries.de>
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Converts a string into a valid RFC 822 "phrase", such as is used for the sender name
+ */
+function wfRFC822Phrase( $phrase ) {
+	$phrase = strtr( $phrase, array( "\r" => '', "\n" => '', '"' => '' ) );
+	return '"' . $phrase . '"';
+}
+
+class MailAddress {
+	/**
+	 * @param mixed $address String with an email address, or a User object
+	 * @param string $name Human-readable name if a string address is given
+	 */
+	function MailAddress( $address, $name=null ) {
+		if( is_object( $address ) && is_a( $address, 'User' ) ) {
+			$this->address = $address->getEmail();
+			$this->name = $address->getName();
+		} else {
+			$this->address = strval( $address );
+			$this->name = strval( $name );
+		}
+	}
+
+	/**
+	 * Return formatted and quoted address to insert into SMTP headers
+	 * @return string
+	 */
+	function toString() {
+		if( $this->name != '' ) {
+			$quoted = wfQuotedPrintable( $this->name );
+			if( strpos( $quoted, '.' ) !== false ) {
+				$quoted = '"' . $quoted . '"';
+			}
+			return "$quoted <{$this->address}>";
+		} else {
+			return $this->address;
+		}
+	}
+}
+
+/**
+ * This function will perform a direct (authenticated) login to
+ * a SMTP Server to use for mail relaying if 'wgSMTP' specifies an
+ * array of parameters. It requires PEAR:Mail to do that.
+ * Otherwise it just uses the standard PHP 'mail' function.
+ *
+ * @param $to MailAddress: recipient's email
+ * @param $from MailAddress: sender's email
+ * @param $subject String: email's subject.
+ * @param $body String: email's text.
+ * @param $replyto String: optional reply-to email (default: false).
+ */
+function userMailer( $to, $from, $subject, $body, $replyto=false ) {
+	global $wgUser, $wgSMTP, $wgOutputEncoding, $wgErrorString;
+
+	if (is_array( $wgSMTP )) {
+		require_once( 'Mail.php' );
+
+		$timestamp = time();
+		$dest = $to->address;
+
+		$headers['From'] = $from->toString();
+		$headers['To'] = $to->toString();
+		if ( $replyto ) {
+			$headers['Reply-To'] = $replyto;
+		}
+		$headers['Subject'] = wfQuotedPrintable( $subject );
+		$headers['Date'] = date( 'r' );
+		$headers['MIME-Version'] = '1.0';
+		$headers['Content-type'] = 'text/plain; charset='.$wgOutputEncoding;
+		$headers['Content-transfer-encoding'] = '8bit';
+		$headers['Message-ID'] = "<{$timestamp}" . $wgUser->getName() . '@' . $wgSMTP['IDHost'] . '>'; // FIXME
+		$headers['X-Mailer'] = 'MediaWiki mailer';
+
+		// Create the mail object using the Mail::factory method
+		$mail_object =& Mail::factory('smtp', $wgSMTP);
+		wfDebug( "Sending mail via PEAR::Mail to $dest\n" );
+		$mailResult =& $mail_object->send($dest, $headers, $body);
+
+		# Based on the result return an error string,
+		if ($mailResult === true) {
+			return '';
+		} elseif (is_object($mailResult)) {
+			wfDebug( "PEAR::Mail failed: " . $mailResult->getMessage() . "\n" );
+			return $mailResult->getMessage();
+		} else {
+			wfDebug( "PEAR::Mail failed, unknown error result\n" );
+			return 'Mail object return unknown error.';
+		}
+	} else	{
+		# In the following $headers = expression we removed "Reply-To: {$from}\r\n" , because it is treated differently
+		# (fifth parameter of the PHP mail function, see some lines below)
+		$headers =
+			"MIME-Version: 1.0\n" .
+			"Content-type: text/plain; charset={$wgOutputEncoding}\n" .
+			"Content-Transfer-Encoding: 8bit\n" .
+			"X-Mailer: MediaWiki mailer\n".
+			'From: ' . $from->toString() . "\n";
+		if ($replyto) {
+			$headers .= "Reply-To: $replyto\n";
+		}
+
+		$dest = $to->toString();
+
+		$wgErrorString = '';
+		set_error_handler( 'mailErrorHandler' );
+		wfDebug( "Sending mail via internal mail() function to $dest\n" );
+		mail( $dest, wfQuotedPrintable( $subject ), $body, $headers );
+		restore_error_handler();
+
+		if ( $wgErrorString ) {
+			wfDebug( "Error sending mail: $wgErrorString\n" );
+		}
+		return $wgErrorString;
+	}
+}
+
+/**
+ * Get the mail error message in global $wgErrorString
+ *
+ * @param $code Integer: error number
+ * @param $string String: error message
+ */
+function mailErrorHandler( $code, $string ) {
+	global $wgErrorString;
+	$wgErrorString = preg_replace( "/^mail\(\): /", '', $string );
+}
+
+
+/**
+ * This module processes the email notifications when the current page is
+ * changed. It looks up the table watchlist to find out which users are watching
+ * that page.
+ *
+ * The current implementation sends independent emails to each watching user for
+ * the following reason:
+ *
+ * - Each watching user will be notified about the page edit time expressed in
+ * his/her local time (UTC is shown additionally). To achieve this, we need to
+ * find the individual timeoffset of each watching user from the preferences..
+ *
+ * Suggested improvement to slack down the number of sent emails: We could think
+ * of sending out bulk mails (bcc:user1,user2...) for all these users having the
+ * same timeoffset in their preferences.
+ *
+ * Visit the documentation pages under http://meta.wikipedia.com/Enotif
+ *
+ * @package MediaWiki
+ *
+ */
+class EmailNotification {
+	/**@{{
+	 * @private
+	 */
+	var $to, $subject, $body, $replyto, $from;
+	var $user, $title, $timestamp, $summary, $minorEdit, $oldid;
+
+	/**@}}*/
+
+	/**
+	 * @todo document
+	 * @param $title Title object
+	 * @param $timestamp
+	 * @param $summary
+	 * @param $minorEdit
+	 * @param $oldid (default: false)
+	 */
+	function notifyOnPageChange(&$title, $timestamp, $summary, $minorEdit, $oldid=false) {
+
+		# we use $wgEmergencyContact as sender's address
+		global $wgUser, $wgEnotifWatchlist;
+		global $wgEnotifMinorEdits, $wgEnotifUserTalk, $wgShowUpdatedMarker;
+
+		$fname = 'UserMailer::notifyOnPageChange';
+		wfProfileIn( $fname );
+
+		# The following code is only run, if several conditions are met:
+		# 1. EmailNotification for pages (other than user_talk pages) must be enabled
+		# 2. minor edits (changes) are only regarded if the global flag indicates so
+
+		$isUserTalkPage = ($title->getNamespace() == NS_USER_TALK);
+		$enotifusertalkpage = ($isUserTalkPage && $wgEnotifUserTalk);
+		$enotifwatchlistpage = $wgEnotifWatchlist;
+
+		if ( (!$minorEdit || $wgEnotifMinorEdits) ) {
+			if( $wgEnotifWatchlist ) {
+				// Send updates to watchers other than the current editor
+				$userCondition = 'wl_user <> ' . intval( $wgUser->getId() );
+			} elseif( $wgEnotifUserTalk && $title->getNamespace() == NS_USER_TALK ) {
+				$targetUser = User::newFromName( $title->getText() );
+				if( is_null( $targetUser ) ) {
+					wfDebug( "$fname: user-talk-only mode; no such user\n" );
+					$userCondition = false;
+				} elseif( $targetUser->getId() == $wgUser->getId() ) {
+					wfDebug( "$fname: user-talk-only mode; editor is target user\n" );
+					$userCondition = false;
+				} else {
+					// Don't notify anyone other than the owner of the talk page
+					$userCondition = 'wl_user = ' . intval( $targetUser->getId() );
+				}
+			} else {
+				// Notifications disabled
+				$userCondition = false;
+			}
+			if( $userCondition ) {
+				$dbr =& wfGetDB( DB_MASTER );
+				extract( $dbr->tableNames( 'watchlist' ) );
+
+				$res = $dbr->select( 'watchlist', array( 'wl_user' ),
+					array(
+						'wl_title' => $title->getDBkey(),
+						'wl_namespace' => $title->getNamespace(),
+						$userCondition,
+						'wl_notificationtimestamp IS NULL',
+					), $fname );
+
+				# if anyone is watching ... set up the email message text which is
+				# common for all receipients ...
+				if ( $dbr->numRows( $res ) > 0 ) {
+					$this->title =& $title;
+					$this->timestamp = $timestamp;
+					$this->summary = $summary;
+					$this->minorEdit = $minorEdit;
+					$this->oldid = $oldid;
+
+					$this->composeCommonMailtext();
+					$watchingUser = new User();
+
+					# ... now do for all watching users ... if the options fit
+					for ($i = 1; $i <= $dbr->numRows( $res ); $i++) {
+
+						$wuser = $dbr->fetchObject( $res );
+						$watchingUser->setID($wuser->wl_user);
+						if ( ( $enotifwatchlistpage && $watchingUser->getOption('enotifwatchlistpages') ) ||
+							( $enotifusertalkpage && $watchingUser->getOption('enotifusertalkpages') )
+						&& (!$minorEdit || ($wgEnotifMinorEdits && $watchingUser->getOption('enotifminoredits') ) )
+						&& ($watchingUser->isEmailConfirmed() ) ) {
+							# ... adjust remaining text and page edit time placeholders
+							# which needs to be personalized for each user
+							$this->composeAndSendPersonalisedMail( $watchingUser );
+
+						} # if the watching user has an email address in the preferences
+					}
+				}
+			} # if anyone is watching
+		} # if $wgEnotifWatchlist = true
+
+		if ( $wgShowUpdatedMarker || $wgEnotifWatchlist ) {
+			# mark the changed watch-listed page with a timestamp, so that the page is
+			# listed with an "updated since your last visit" icon in the watch list, ...
+			$dbw =& wfGetDB( DB_MASTER );
+			$success = $dbw->update( 'watchlist',
+				array( /* SET */
+					'wl_notificationtimestamp' => $dbw->timestamp($timestamp)
+				), array( /* WHERE */
+					'wl_title' => $title->getDBkey(),
+					'wl_namespace' => $title->getNamespace(),
+				), 'UserMailer::NotifyOnChange'
+			);
+			# FIXME what do we do on failure ?
+		}
+
+	} # function NotifyOnChange
+
+	/**
+	 * @private
+	 */
+	function composeCommonMailtext() {
+		global $wgUser, $wgEmergencyContact, $wgNoReplyAddress;
+		global $wgEnotifFromEditor, $wgEnotifRevealEditorAddress;
+
+		$summary = ($this->summary == '') ? ' - ' : $this->summary;
+		$medit   = ($this->minorEdit) ? wfMsg( 'minoredit' ) : '';
+
+		# You as the WikiAdmin and Sysops can make use of plenty of
+		# named variables when composing your notification emails while
+		# simply editing the Meta pages
+
+		$subject = wfMsgForContent( 'enotif_subject' );
+		$body    = wfMsgForContent( 'enotif_body' );
+		$from    = ''; /* fail safe */
+		$replyto = ''; /* fail safe */
+		$keys    = array();
+
+		# regarding the use of oldid as an indicator for the last visited version, see also
+		# http://bugzilla.wikipeda.org/show_bug.cgi?id=603 "Delete + undelete cycle doesn't preserve old_id"
+		# However, in the case of a new page which is already watched, we have no previous version to compare
+		if( $this->oldid ) {
+			$difflink = $this->title->getFullUrl( 'diff=0&oldid=' . $this->oldid );
+			$keys['$NEWPAGE'] = wfMsgForContent( 'enotif_lastvisited', $difflink );
+			$keys['$OLDID']   = $this->oldid;
+			$keys['$CHANGEDORCREATED'] = wfMsgForContent( 'changed' );
+		} else {
+			$keys['$NEWPAGE'] = wfMsgForContent( 'enotif_newpagetext' );
+			# clear $OLDID placeholder in the message template
+			$keys['$OLDID']   = '';
+			$keys['$CHANGEDORCREATED'] = wfMsgForContent( 'created' );
+		}
+
+		$body = strtr( $body, $keys );
+		$pagetitle = $this->title->getPrefixedText();
+		$keys['$PAGETITLE']          = $pagetitle;
+		$keys['$PAGETITLE_URL']      = $this->title->getFullUrl();
+
+		$keys['$PAGEMINOREDIT']      = $medit;
+		$keys['$PAGESUMMARY']        = $summary;
+
+		$subject = strtr( $subject, $keys );
+
+		# Reveal the page editor's address as REPLY-TO address only if
+		# the user has not opted-out and the option is enabled at the
+		# global configuration level.
+		$name    = $wgUser->getName();
+		$adminAddress = new MailAddress( $wgEmergencyContact, 'WikiAdmin' );
+		$editorAddress = new MailAddress( $wgUser );
+		if( $wgEnotifRevealEditorAddress
+		    && ( $wgUser->getEmail() != '' )
+		    && $wgUser->getOption( 'enotifrevealaddr' ) ) {
+			if( $wgEnotifFromEditor ) {
+				$from    = $editorAddress;
+			} else {
+				$from    = $adminAddress;
+				$replyto = $editorAddress;
+			}
+		} else {
+			$from    = $adminAddress;
+			$replyto = $wgNoReplyAddress;
+		}
+
+		if( $wgUser->isIP( $name ) ) {
+			#real anon (user:xxx.xxx.xxx.xxx)
+			$subject = str_replace('$PAGEEDITOR', 'anonymous user '. $name, $subject);
+			$keys['$PAGEEDITOR']       = 'anonymous user ' . $name;
+			$keys['$PAGEEDITOR_EMAIL'] = wfMsgForContent( 'noemailtitle' );
+		} else {
+			$subject = str_replace('$PAGEEDITOR', $name, $subject);
+			$keys['$PAGEEDITOR']          = $name;
+			$emailPage = Title::makeTitle( NS_SPECIAL, 'Emailuser/' . $name );
+			$keys['$PAGEEDITOR_EMAIL'] = $emailPage->getFullUrl();
+		}
+		$userPage = $wgUser->getUserPage();
+		$keys['$PAGEEDITOR_WIKI'] = $userPage->getFullUrl();
+		$body = strtr( $body, $keys );
+		$body = wordwrap( $body, 72 );
+
+		# now save this as the constant user-independent part of the message
+		$this->from    = $from;
+		$this->replyto = $replyto;
+		$this->subject = $subject;
+		$this->body    = $body;
+	}
+
+
+
+	/**
+	 * Does the per-user customizations to a notification e-mail (name,
+	 * timestamp in proper timezone, etc) and sends it out.
+	 * Returns true if the mail was sent successfully.
+	 *
+	 * @param User $watchingUser
+	 * @param object $mail
+	 * @return bool
+	 * @private
+	 */
+	function composeAndSendPersonalisedMail( $watchingUser ) {
+		global $wgLang;
+		// From the PHP manual:
+		//     Note:  The to parameter cannot be an address in the form of "Something <someone@example.com>".
+		//     The mail command will not parse this properly while talking with the MTA.
+		$to = new MailAddress( $watchingUser );
+		$body = str_replace( '$WATCHINGUSERNAME', $watchingUser->getName() , $this->body );
+
+		$timecorrection = $watchingUser->getOption( 'timecorrection' );
+
+		# $PAGEEDITDATE is the time and date of the page change
+		# expressed in terms of individual local time of the notification
+		# recipient, i.e. watching user
+		$body = str_replace('$PAGEEDITDATE',
+			$wgLang->timeanddate( $this->timestamp, true, false, $timecorrection ),
+			$body);
+
+		$error = userMailer( $to, $this->from, $this->subject, $body, $this->replyto );
+		return ($error == '');
+	}
+
+} # end of class EmailNotification
+?>
diff --git a/includes/Utf8Case.php b/includes/Utf8Case.php
new file mode 100644
index 00000000..9a2c7302
--- /dev/null
+++ b/includes/Utf8Case.php
@@ -0,0 +1,1506 @@
+<?php
+/**
+ * Simple 1:1 upper/lowercase switching arrays for utf-8 text
+ * Won't get context-sensitive things yet
+ *
+ * Hack for bugs in ucfirst() and company
+ *
+ * These are pulled from memcached if possible, as this is faster than filling
+ * up a big array manually. See also languages/LanguageUtf8.php
+ * @package MediaWiki
+ * @subpackage Language
+ */
+
+/*
+ * Translation array to get upper case character
+ */
+$wikiUpperChars = array(
+	"a" => "A",
+	"b" => "B",
+	"c" => "C",
+	"d" => "D",
+	"e" => "E",
+	"f" => "F",
+	"g" => "G",
+	"h" => "H",
+	"i" => "I",
+	"j" => "J",
+	"k" => "K",
+	"l" => "L",
+	"m" => "M",
+	"n" => "N",
+	"o" => "O",
+	"p" => "P",
+	"q" => "Q",
+	"r" => "R",
+	"s" => "S",
+	"t" => "T",
+	"u" => "U",
+	"v" => "V",
+	"w" => "W",
+	"x" => "X",
+	"y" => "Y",
+	"z" => "Z",
+	"\xc2\xb5" => "\xce\x9c",
+	"\xc3\xa0" => "\xc3\x80",
+	"\xc3\xa1" => "\xc3\x81",
+	"\xc3\xa2" => "\xc3\x82",
+	"\xc3\xa3" => "\xc3\x83",
+	"\xc3\xa4" => "\xc3\x84",
+	"\xc3\xa5" => "\xc3\x85",
+	"\xc3\xa6" => "\xc3\x86",
+	"\xc3\xa7" => "\xc3\x87",
+	"\xc3\xa8" => "\xc3\x88",
+	"\xc3\xa9" => "\xc3\x89",
+	"\xc3\xaa" => "\xc3\x8a",
+	"\xc3\xab" => "\xc3\x8b",
+	"\xc3\xac" => "\xc3\x8c",
+	"\xc3\xad" => "\xc3\x8d",
+	"\xc3\xae" => "\xc3\x8e",
+	"\xc3\xaf" => "\xc3\x8f",
+	"\xc3\xb0" => "\xc3\x90",
+	"\xc3\xb1" => "\xc3\x91",
+	"\xc3\xb2" => "\xc3\x92",
+	"\xc3\xb3" => "\xc3\x93",
+	"\xc3\xb4" => "\xc3\x94",
+	"\xc3\xb5" => "\xc3\x95",
+	"\xc3\xb6" => "\xc3\x96",
+	"\xc3\xb8" => "\xc3\x98",
+	"\xc3\xb9" => "\xc3\x99",
+	"\xc3\xba" => "\xc3\x9a",
+	"\xc3\xbb" => "\xc3\x9b",
+	"\xc3\xbc" => "\xc3\x9c",
+	"\xc3\xbd" => "\xc3\x9d",
+	"\xc3\xbe" => "\xc3\x9e",
+	"\xc3\xbf" => "\xc5\xb8",
+	"\xc4\x81" => "\xc4\x80",
+	"\xc4\x83" => "\xc4\x82",
+	"\xc4\x85" => "\xc4\x84",
+	"\xc4\x87" => "\xc4\x86",
+	"\xc4\x89" => "\xc4\x88",
+	"\xc4\x8b" => "\xc4\x8a",
+	"\xc4\x8d" => "\xc4\x8c",
+	"\xc4\x8f" => "\xc4\x8e",
+	"\xc4\x91" => "\xc4\x90",
+	"\xc4\x93" => "\xc4\x92",
+	"\xc4\x95" => "\xc4\x94",
+	"\xc4\x97" => "\xc4\x96",
+	"\xc4\x99" => "\xc4\x98",
+	"\xc4\x9b" => "\xc4\x9a",
+	"\xc4\x9d" => "\xc4\x9c",
+	"\xc4\x9f" => "\xc4\x9e",
+	"\xc4\xa1" => "\xc4\xa0",
+	"\xc4\xa3" => "\xc4\xa2",
+	"\xc4\xa5" => "\xc4\xa4",
+	"\xc4\xa7" => "\xc4\xa6",
+	"\xc4\xa9" => "\xc4\xa8",
+	"\xc4\xab" => "\xc4\xaa",
+	"\xc4\xad" => "\xc4\xac",
+	"\xc4\xaf" => "\xc4\xae",
+	"\xc4\xb1" => "I",
+	"\xc4\xb3" => "\xc4\xb2",
+	"\xc4\xb5" => "\xc4\xb4",
+	"\xc4\xb7" => "\xc4\xb6",
+	"\xc4\xba" => "\xc4\xb9",
+	"\xc4\xbc" => "\xc4\xbb",
+	"\xc4\xbe" => "\xc4\xbd",
+	"\xc5\x80" => "\xc4\xbf",
+	"\xc5\x82" => "\xc5\x81",
+	"\xc5\x84" => "\xc5\x83",
+	"\xc5\x86" => "\xc5\x85",
+	"\xc5\x88" => "\xc5\x87",
+	"\xc5\x8b" => "\xc5\x8a",
+	"\xc5\x8d" => "\xc5\x8c",
+	"\xc5\x8f" => "\xc5\x8e",
+	"\xc5\x91" => "\xc5\x90",
+	"\xc5\x93" => "\xc5\x92",
+	"\xc5\x95" => "\xc5\x94",
+	"\xc5\x97" => "\xc5\x96",
+	"\xc5\x99" => "\xc5\x98",
+	"\xc5\x9b" => "\xc5\x9a",
+	"\xc5\x9d" => "\xc5\x9c",
+	"\xc5\x9f" => "\xc5\x9e",
+	"\xc5\xa1" => "\xc5\xa0",
+	"\xc5\xa3" => "\xc5\xa2",
+	"\xc5\xa5" => "\xc5\xa4",
+	"\xc5\xa7" => "\xc5\xa6",
+	"\xc5\xa9" => "\xc5\xa8",
+	"\xc5\xab" => "\xc5\xaa",
+	"\xc5\xad" => "\xc5\xac",
+	"\xc5\xaf" => "\xc5\xae",
+	"\xc5\xb1" => "\xc5\xb0",
+	"\xc5\xb3" => "\xc5\xb2",
+	"\xc5\xb5" => "\xc5\xb4",
+	"\xc5\xb7" => "\xc5\xb6",
+	"\xc5\xba" => "\xc5\xb9",
+	"\xc5\xbc" => "\xc5\xbb",
+	"\xc5\xbe" => "\xc5\xbd",
+	"\xc5\xbf" => "S",
+	"\xc6\x83" => "\xc6\x82",
+	"\xc6\x85" => "\xc6\x84",
+	"\xc6\x88" => "\xc6\x87",
+	"\xc6\x8c" => "\xc6\x8b",
+	"\xc6\x92" => "\xc6\x91",
+	"\xc6\x95" => "\xc7\xb6",
+	"\xc6\x99" => "\xc6\x98",
+	"\xc6\xa1" => "\xc6\xa0",
+	"\xc6\xa3" => "\xc6\xa2",
+	"\xc6\xa5" => "\xc6\xa4",
+	"\xc6\xa8" => "\xc6\xa7",
+	"\xc6\xad" => "\xc6\xac",
+	"\xc6\xb0" => "\xc6\xaf",
+	"\xc6\xb4" => "\xc6\xb3",
+	"\xc6\xb6" => "\xc6\xb5",
+	"\xc6\xb9" => "\xc6\xb8",
+	"\xc6\xbd" => "\xc6\xbc",
+	"\xc6\xbf" => "\xc7\xb7",
+	"\xc7\x85" => "\xc7\x84",
+	"\xc7\x86" => "\xc7\x84",
+	"\xc7\x88" => "\xc7\x87",
+	"\xc7\x89" => "\xc7\x87",
+	"\xc7\x8b" => "\xc7\x8a",
+	"\xc7\x8c" => "\xc7\x8a",
+	"\xc7\x8e" => "\xc7\x8d",
+	"\xc7\x90" => "\xc7\x8f",
+	"\xc7\x92" => "\xc7\x91",
+	"\xc7\x94" => "\xc7\x93",
+	"\xc7\x96" => "\xc7\x95",
+	"\xc7\x98" => "\xc7\x97",
+	"\xc7\x9a" => "\xc7\x99",
+	"\xc7\x9c" => "\xc7\x9b",
+	"\xc7\x9d" => "\xc6\x8e",
+	"\xc7\x9f" => "\xc7\x9e",
+	"\xc7\xa1" => "\xc7\xa0",
+	"\xc7\xa3" => "\xc7\xa2",
+	"\xc7\xa5" => "\xc7\xa4",
+	"\xc7\xa7" => "\xc7\xa6",
+	"\xc7\xa9" => "\xc7\xa8",
+	"\xc7\xab" => "\xc7\xaa",
+	"\xc7\xad" => "\xc7\xac",
+	"\xc7\xaf" => "\xc7\xae",
+	"\xc7\xb2" => "\xc7\xb1",
+	"\xc7\xb3" => "\xc7\xb1",
+	"\xc7\xb5" => "\xc7\xb4",
+	"\xc7\xb9" => "\xc7\xb8",
+	"\xc7\xbb" => "\xc7\xba",
+	"\xc7\xbd" => "\xc7\xbc",
+	"\xc7\xbf" => "\xc7\xbe",
+	"\xc8\x81" => "\xc8\x80",
+	"\xc8\x83" => "\xc8\x82",
+	"\xc8\x85" => "\xc8\x84",
+	"\xc8\x87" => "\xc8\x86",
+	"\xc8\x89" => "\xc8\x88",
+	"\xc8\x8b" => "\xc8\x8a",
+	"\xc8\x8d" => "\xc8\x8c",
+	"\xc8\x8f" => "\xc8\x8e",
+	"\xc8\x91" => "\xc8\x90",
+	"\xc8\x93" => "\xc8\x92",
+	"\xc8\x95" => "\xc8\x94",
+	"\xc8\x97" => "\xc8\x96",
+	"\xc8\x99" => "\xc8\x98",
+	"\xc8\x9b" => "\xc8\x9a",
+	"\xc8\x9d" => "\xc8\x9c",
+	"\xc8\x9f" => "\xc8\x9e",
+	"\xc8\xa3" => "\xc8\xa2",
+	"\xc8\xa5" => "\xc8\xa4",
+	"\xc8\xa7" => "\xc8\xa6",
+	"\xc8\xa9" => "\xc8\xa8",
+	"\xc8\xab" => "\xc8\xaa",
+	"\xc8\xad" => "\xc8\xac",
+	"\xc8\xaf" => "\xc8\xae",
+	"\xc8\xb1" => "\xc8\xb0",
+	"\xc8\xb3" => "\xc8\xb2",
+	"\xc9\x93" => "\xc6\x81",
+	"\xc9\x94" => "\xc6\x86",
+	"\xc9\x96" => "\xc6\x89",
+	"\xc9\x97" => "\xc6\x8a",
+	"\xc9\x99" => "\xc6\x8f",
+	"\xc9\x9b" => "\xc6\x90",
+	"\xc9\xa0" => "\xc6\x93",
+	"\xc9\xa3" => "\xc6\x94",
+	"\xc9\xa8" => "\xc6\x97",
+	"\xc9\xa9" => "\xc6\x96",
+	"\xc9\xaf" => "\xc6\x9c",
+	"\xc9\xb2" => "\xc6\x9d",
+	"\xc9\xb5" => "\xc6\x9f",
+	"\xca\x80" => "\xc6\xa6",
+	"\xca\x83" => "\xc6\xa9",
+	"\xca\x88" => "\xc6\xae",
+	"\xca\x8a" => "\xc6\xb1",
+	"\xca\x8b" => "\xc6\xb2",
+	"\xca\x92" => "\xc6\xb7",
+	"\xcd\x85" => "\xce\x99",
+	"\xce\xac" => "\xce\x86",
+	"\xce\xad" => "\xce\x88",
+	"\xce\xae" => "\xce\x89",
+	"\xce\xaf" => "\xce\x8a",
+	"\xce\xb1" => "\xce\x91",
+	"\xce\xb2" => "\xce\x92",
+	"\xce\xb3" => "\xce\x93",
+	"\xce\xb4" => "\xce\x94",
+	"\xce\xb5" => "\xce\x95",
+	"\xce\xb6" => "\xce\x96",
+	"\xce\xb7" => "\xce\x97",
+	"\xce\xb8" => "\xce\x98",
+	"\xce\xb9" => "\xce\x99",
+	"\xce\xba" => "\xce\x9a",
+	"\xce\xbb" => "\xce\x9b",
+	"\xce\xbc" => "\xce\x9c",
+	"\xce\xbd" => "\xce\x9d",
+	"\xce\xbe" => "\xce\x9e",
+	"\xce\xbf" => "\xce\x9f",
+	"\xcf\x80" => "\xce\xa0",
+	"\xcf\x81" => "\xce\xa1",
+	"\xcf\x82" => "\xce\xa3",
+	"\xcf\x83" => "\xce\xa3",
+	"\xcf\x84" => "\xce\xa4",
+	"\xcf\x85" => "\xce\xa5",
+	"\xcf\x86" => "\xce\xa6",
+	"\xcf\x87" => "\xce\xa7",
+	"\xcf\x88" => "\xce\xa8",
+	"\xcf\x89" => "\xce\xa9",
+	"\xcf\x8a" => "\xce\xaa",
+	"\xcf\x8b" => "\xce\xab",
+	"\xcf\x8c" => "\xce\x8c",
+	"\xcf\x8d" => "\xce\x8e",
+	"\xcf\x8e" => "\xce\x8f",
+	"\xcf\x90" => "\xce\x92",
+	"\xcf\x91" => "\xce\x98",
+	"\xcf\x95" => "\xce\xa6",
+	"\xcf\x96" => "\xce\xa0",
+	"\xcf\x9b" => "\xcf\x9a",
+	"\xcf\x9d" => "\xcf\x9c",
+	"\xcf\x9f" => "\xcf\x9e",
+	"\xcf\xa1" => "\xcf\xa0",
+	"\xcf\xa3" => "\xcf\xa2",
+	"\xcf\xa5" => "\xcf\xa4",
+	"\xcf\xa7" => "\xcf\xa6",
+	"\xcf\xa9" => "\xcf\xa8",
+	"\xcf\xab" => "\xcf\xaa",
+	"\xcf\xad" => "\xcf\xac",
+	"\xcf\xaf" => "\xcf\xae",
+	"\xcf\xb0" => "\xce\x9a",
+	"\xcf\xb1" => "\xce\xa1",
+	"\xcf\xb2" => "\xce\xa3",
+	"\xcf\xb5" => "\xce\x95",
+	"\xd0\xb0" => "\xd0\x90",
+	"\xd0\xb1" => "\xd0\x91",
+	"\xd0\xb2" => "\xd0\x92",
+	"\xd0\xb3" => "\xd0\x93",
+	"\xd0\xb4" => "\xd0\x94",
+	"\xd0\xb5" => "\xd0\x95",
+	"\xd0\xb6" => "\xd0\x96",
+	"\xd0\xb7" => "\xd0\x97",
+	"\xd0\xb8" => "\xd0\x98",
+	"\xd0\xb9" => "\xd0\x99",
+	"\xd0\xba" => "\xd0\x9a",
+	"\xd0\xbb" => "\xd0\x9b",
+	"\xd0\xbc" => "\xd0\x9c",
+	"\xd0\xbd" => "\xd0\x9d",
+	"\xd0\xbe" => "\xd0\x9e",
+	"\xd0\xbf" => "\xd0\x9f",
+	"\xd1\x80" => "\xd0\xa0",
+	"\xd1\x81" => "\xd0\xa1",
+	"\xd1\x82" => "\xd0\xa2",
+	"\xd1\x83" => "\xd0\xa3",
+	"\xd1\x84" => "\xd0\xa4",
+	"\xd1\x85" => "\xd0\xa5",
+	"\xd1\x86" => "\xd0\xa6",
+	"\xd1\x87" => "\xd0\xa7",
+	"\xd1\x88" => "\xd0\xa8",
+	"\xd1\x89" => "\xd0\xa9",
+	"\xd1\x8a" => "\xd0\xaa",
+	"\xd1\x8b" => "\xd0\xab",
+	"\xd1\x8c" => "\xd0\xac",
+	"\xd1\x8d" => "\xd0\xad",
+	"\xd1\x8e" => "\xd0\xae",
+	"\xd1\x8f" => "\xd0\xaf",
+	"\xd1\x90" => "\xd0\x80",
+	"\xd1\x91" => "\xd0\x81",
+	"\xd1\x92" => "\xd0\x82",
+	"\xd1\x93" => "\xd0\x83",
+	"\xd1\x94" => "\xd0\x84",
+	"\xd1\x95" => "\xd0\x85",
+	"\xd1\x96" => "\xd0\x86",
+	"\xd1\x97" => "\xd0\x87",
+	"\xd1\x98" => "\xd0\x88",
+	"\xd1\x99" => "\xd0\x89",
+	"\xd1\x9a" => "\xd0\x8a",
+	"\xd1\x9b" => "\xd0\x8b",
+	"\xd1\x9c" => "\xd0\x8c",
+	"\xd1\x9d" => "\xd0\x8d",
+	"\xd1\x9e" => "\xd0\x8e",
+	"\xd1\x9f" => "\xd0\x8f",
+	"\xd1\xa1" => "\xd1\xa0",
+	"\xd1\xa3" => "\xd1\xa2",
+	"\xd1\xa5" => "\xd1\xa4",
+	"\xd1\xa7" => "\xd1\xa6",
+	"\xd1\xa9" => "\xd1\xa8",
+	"\xd1\xab" => "\xd1\xaa",
+	"\xd1\xad" => "\xd1\xac",
+	"\xd1\xaf" => "\xd1\xae",
+	"\xd1\xb1" => "\xd1\xb0",
+	"\xd1\xb3" => "\xd1\xb2",
+	"\xd1\xb5" => "\xd1\xb4",
+	"\xd1\xb7" => "\xd1\xb6",
+	"\xd1\xb9" => "\xd1\xb8",
+	"\xd1\xbb" => "\xd1\xba",
+	"\xd1\xbd" => "\xd1\xbc",
+	"\xd1\xbf" => "\xd1\xbe",
+	"\xd2\x81" => "\xd2\x80",
+	"\xd2\x8d" => "\xd2\x8c",
+	"\xd2\x8f" => "\xd2\x8e",
+	"\xd2\x91" => "\xd2\x90",
+	"\xd2\x93" => "\xd2\x92",
+	"\xd2\x95" => "\xd2\x94",
+	"\xd2\x97" => "\xd2\x96",
+	"\xd2\x99" => "\xd2\x98",
+	"\xd2\x9b" => "\xd2\x9a",
+	"\xd2\x9d" => "\xd2\x9c",
+	"\xd2\x9f" => "\xd2\x9e",
+	"\xd2\xa1" => "\xd2\xa0",
+	"\xd2\xa3" => "\xd2\xa2",
+	"\xd2\xa5" => "\xd2\xa4",
+	"\xd2\xa7" => "\xd2\xa6",
+	"\xd2\xa9" => "\xd2\xa8",
+	"\xd2\xab" => "\xd2\xaa",
+	"\xd2\xad" => "\xd2\xac",
+	"\xd2\xaf" => "\xd2\xae",
+	"\xd2\xb1" => "\xd2\xb0",
+	"\xd2\xb3" => "\xd2\xb2",
+	"\xd2\xb5" => "\xd2\xb4",
+	"\xd2\xb7" => "\xd2\xb6",
+	"\xd2\xb9" => "\xd2\xb8",
+	"\xd2\xbb" => "\xd2\xba",
+	"\xd2\xbd" => "\xd2\xbc",
+	"\xd2\xbf" => "\xd2\xbe",
+	"\xd3\x82" => "\xd3\x81",
+	"\xd3\x84" => "\xd3\x83",
+	"\xd3\x88" => "\xd3\x87",
+	"\xd3\x8c" => "\xd3\x8b",
+	"\xd3\x91" => "\xd3\x90",
+	"\xd3\x93" => "\xd3\x92",
+	"\xd3\x95" => "\xd3\x94",
+	"\xd3\x97" => "\xd3\x96",
+	"\xd3\x99" => "\xd3\x98",
+	"\xd3\x9b" => "\xd3\x9a",
+	"\xd3\x9d" => "\xd3\x9c",
+	"\xd3\x9f" => "\xd3\x9e",
+	"\xd3\xa1" => "\xd3\xa0",
+	"\xd3\xa3" => "\xd3\xa2",
+	"\xd3\xa5" => "\xd3\xa4",
+	"\xd3\xa7" => "\xd3\xa6",
+	"\xd3\xa9" => "\xd3\xa8",
+	"\xd3\xab" => "\xd3\xaa",
+	"\xd3\xad" => "\xd3\xac",
+	"\xd3\xaf" => "\xd3\xae",
+	"\xd3\xb1" => "\xd3\xb0",
+	"\xd3\xb3" => "\xd3\xb2",
+	"\xd3\xb5" => "\xd3\xb4",
+	"\xd3\xb9" => "\xd3\xb8",
+	"\xd5\xa1" => "\xd4\xb1",
+	"\xd5\xa2" => "\xd4\xb2",
+	"\xd5\xa3" => "\xd4\xb3",
+	"\xd5\xa4" => "\xd4\xb4",
+	"\xd5\xa5" => "\xd4\xb5",
+	"\xd5\xa6" => "\xd4\xb6",
+	"\xd5\xa7" => "\xd4\xb7",
+	"\xd5\xa8" => "\xd4\xb8",
+	"\xd5\xa9" => "\xd4\xb9",
+	"\xd5\xaa" => "\xd4\xba",
+	"\xd5\xab" => "\xd4\xbb",
+	"\xd5\xac" => "\xd4\xbc",
+	"\xd5\xad" => "\xd4\xbd",
+	"\xd5\xae" => "\xd4\xbe",
+	"\xd5\xaf" => "\xd4\xbf",
+	"\xd5\xb0" => "\xd5\x80",
+	"\xd5\xb1" => "\xd5\x81",
+	"\xd5\xb2" => "\xd5\x82",
+	"\xd5\xb3" => "\xd5\x83",
+	"\xd5\xb4" => "\xd5\x84",
+	"\xd5\xb5" => "\xd5\x85",
+	"\xd5\xb6" => "\xd5\x86",
+	"\xd5\xb7" => "\xd5\x87",
+	"\xd5\xb8" => "\xd5\x88",
+	"\xd5\xb9" => "\xd5\x89",
+	"\xd5\xba" => "\xd5\x8a",
+	"\xd5\xbb" => "\xd5\x8b",
+	"\xd5\xbc" => "\xd5\x8c",
+	"\xd5\xbd" => "\xd5\x8d",
+	"\xd5\xbe" => "\xd5\x8e",
+	"\xd5\xbf" => "\xd5\x8f",
+	"\xd6\x80" => "\xd5\x90",
+	"\xd6\x81" => "\xd5\x91",
+	"\xd6\x82" => "\xd5\x92",
+	"\xd6\x83" => "\xd5\x93",
+	"\xd6\x84" => "\xd5\x94",
+	"\xd6\x85" => "\xd5\x95",
+	"\xd6\x86" => "\xd5\x96",
+	"\xe1\xb8\x81" => "\xe1\xb8\x80",
+	"\xe1\xb8\x83" => "\xe1\xb8\x82",
+	"\xe1\xb8\x85" => "\xe1\xb8\x84",
+	"\xe1\xb8\x87" => "\xe1\xb8\x86",
+	"\xe1\xb8\x89" => "\xe1\xb8\x88",
+	"\xe1\xb8\x8b" => "\xe1\xb8\x8a",
+	"\xe1\xb8\x8d" => "\xe1\xb8\x8c",
+	"\xe1\xb8\x8f" => "\xe1\xb8\x8e",
+	"\xe1\xb8\x91" => "\xe1\xb8\x90",
+	"\xe1\xb8\x93" => "\xe1\xb8\x92",
+	"\xe1\xb8\x95" => "\xe1\xb8\x94",
+	"\xe1\xb8\x97" => "\xe1\xb8\x96",
+	"\xe1\xb8\x99" => "\xe1\xb8\x98",
+	"\xe1\xb8\x9b" => "\xe1\xb8\x9a",
+	"\xe1\xb8\x9d" => "\xe1\xb8\x9c",
+	"\xe1\xb8\x9f" => "\xe1\xb8\x9e",
+	"\xe1\xb8\xa1" => "\xe1\xb8\xa0",
+	"\xe1\xb8\xa3" => "\xe1\xb8\xa2",
+	"\xe1\xb8\xa5" => "\xe1\xb8\xa4",
+	"\xe1\xb8\xa7" => "\xe1\xb8\xa6",
+	"\xe1\xb8\xa9" => "\xe1\xb8\xa8",
+	"\xe1\xb8\xab" => "\xe1\xb8\xaa",
+	"\xe1\xb8\xad" => "\xe1\xb8\xac",
+	"\xe1\xb8\xaf" => "\xe1\xb8\xae",
+	"\xe1\xb8\xb1" => "\xe1\xb8\xb0",
+	"\xe1\xb8\xb3" => "\xe1\xb8\xb2",
+	"\xe1\xb8\xb5" => "\xe1\xb8\xb4",
+	"\xe1\xb8\xb7" => "\xe1\xb8\xb6",
+	"\xe1\xb8\xb9" => "\xe1\xb8\xb8",
+	"\xe1\xb8\xbb" => "\xe1\xb8\xba",
+	"\xe1\xb8\xbd" => "\xe1\xb8\xbc",
+	"\xe1\xb8\xbf" => "\xe1\xb8\xbe",
+	"\xe1\xb9\x81" => "\xe1\xb9\x80",
+	"\xe1\xb9\x83" => "\xe1\xb9\x82",
+	"\xe1\xb9\x85" => "\xe1\xb9\x84",
+	"\xe1\xb9\x87" => "\xe1\xb9\x86",
+	"\xe1\xb9\x89" => "\xe1\xb9\x88",
+	"\xe1\xb9\x8b" => "\xe1\xb9\x8a",
+	"\xe1\xb9\x8d" => "\xe1\xb9\x8c",
+	"\xe1\xb9\x8f" => "\xe1\xb9\x8e",
+	"\xe1\xb9\x91" => "\xe1\xb9\x90",
+	"\xe1\xb9\x93" => "\xe1\xb9\x92",
+	"\xe1\xb9\x95" => "\xe1\xb9\x94",
+	"\xe1\xb9\x97" => "\xe1\xb9\x96",
+	"\xe1\xb9\x99" => "\xe1\xb9\x98",
+	"\xe1\xb9\x9b" => "\xe1\xb9\x9a",
+	"\xe1\xb9\x9d" => "\xe1\xb9\x9c",
+	"\xe1\xb9\x9f" => "\xe1\xb9\x9e",
+	"\xe1\xb9\xa1" => "\xe1\xb9\xa0",
+	"\xe1\xb9\xa3" => "\xe1\xb9\xa2",
+	"\xe1\xb9\xa5" => "\xe1\xb9\xa4",
+	"\xe1\xb9\xa7" => "\xe1\xb9\xa6",
+	"\xe1\xb9\xa9" => "\xe1\xb9\xa8",
+	"\xe1\xb9\xab" => "\xe1\xb9\xaa",
+	"\xe1\xb9\xad" => "\xe1\xb9\xac",
+	"\xe1\xb9\xaf" => "\xe1\xb9\xae",
+	"\xe1\xb9\xb1" => "\xe1\xb9\xb0",
+	"\xe1\xb9\xb3" => "\xe1\xb9\xb2",
+	"\xe1\xb9\xb5" => "\xe1\xb9\xb4",
+	"\xe1\xb9\xb7" => "\xe1\xb9\xb6",
+	"\xe1\xb9\xb9" => "\xe1\xb9\xb8",
+	"\xe1\xb9\xbb" => "\xe1\xb9\xba",
+	"\xe1\xb9\xbd" => "\xe1\xb9\xbc",
+	"\xe1\xb9\xbf" => "\xe1\xb9\xbe",
+	"\xe1\xba\x81" => "\xe1\xba\x80",
+	"\xe1\xba\x83" => "\xe1\xba\x82",
+	"\xe1\xba\x85" => "\xe1\xba\x84",
+	"\xe1\xba\x87" => "\xe1\xba\x86",
+	"\xe1\xba\x89" => "\xe1\xba\x88",
+	"\xe1\xba\x8b" => "\xe1\xba\x8a",
+	"\xe1\xba\x8d" => "\xe1\xba\x8c",
+	"\xe1\xba\x8f" => "\xe1\xba\x8e",
+	"\xe1\xba\x91" => "\xe1\xba\x90",
+	"\xe1\xba\x93" => "\xe1\xba\x92",
+	"\xe1\xba\x95" => "\xe1\xba\x94",
+	"\xe1\xba\x9b" => "\xe1\xb9\xa0",
+	"\xe1\xba\xa1" => "\xe1\xba\xa0",
+	"\xe1\xba\xa3" => "\xe1\xba\xa2",
+	"\xe1\xba\xa5" => "\xe1\xba\xa4",
+	"\xe1\xba\xa7" => "\xe1\xba\xa6",
+	"\xe1\xba\xa9" => "\xe1\xba\xa8",
+	"\xe1\xba\xab" => "\xe1\xba\xaa",
+	"\xe1\xba\xad" => "\xe1\xba\xac",
+	"\xe1\xba\xaf" => "\xe1\xba\xae",
+	"\xe1\xba\xb1" => "\xe1\xba\xb0",
+	"\xe1\xba\xb3" => "\xe1\xba\xb2",
+	"\xe1\xba\xb5" => "\xe1\xba\xb4",
+	"\xe1\xba\xb7" => "\xe1\xba\xb6",
+	"\xe1\xba\xb9" => "\xe1\xba\xb8",
+	"\xe1\xba\xbb" => "\xe1\xba\xba",
+	"\xe1\xba\xbd" => "\xe1\xba\xbc",
+	"\xe1\xba\xbf" => "\xe1\xba\xbe",
+	"\xe1\xbb\x81" => "\xe1\xbb\x80",
+	"\xe1\xbb\x83" => "\xe1\xbb\x82",
+	"\xe1\xbb\x85" => "\xe1\xbb\x84",
+	"\xe1\xbb\x87" => "\xe1\xbb\x86",
+	"\xe1\xbb\x89" => "\xe1\xbb\x88",
+	"\xe1\xbb\x8b" => "\xe1\xbb\x8a",
+	"\xe1\xbb\x8d" => "\xe1\xbb\x8c",
+	"\xe1\xbb\x8f" => "\xe1\xbb\x8e",
+	"\xe1\xbb\x91" => "\xe1\xbb\x90",
+	"\xe1\xbb\x93" => "\xe1\xbb\x92",
+	"\xe1\xbb\x95" => "\xe1\xbb\x94",
+	"\xe1\xbb\x97" => "\xe1\xbb\x96",
+	"\xe1\xbb\x99" => "\xe1\xbb\x98",
+	"\xe1\xbb\x9b" => "\xe1\xbb\x9a",
+	"\xe1\xbb\x9d" => "\xe1\xbb\x9c",
+	"\xe1\xbb\x9f" => "\xe1\xbb\x9e",
+	"\xe1\xbb\xa1" => "\xe1\xbb\xa0",
+	"\xe1\xbb\xa3" => "\xe1\xbb\xa2",
+	"\xe1\xbb\xa5" => "\xe1\xbb\xa4",
+	"\xe1\xbb\xa7" => "\xe1\xbb\xa6",
+	"\xe1\xbb\xa9" => "\xe1\xbb\xa8",
+	"\xe1\xbb\xab" => "\xe1\xbb\xaa",
+	"\xe1\xbb\xad" => "\xe1\xbb\xac",
+	"\xe1\xbb\xaf" => "\xe1\xbb\xae",
+	"\xe1\xbb\xb1" => "\xe1\xbb\xb0",
+	"\xe1\xbb\xb3" => "\xe1\xbb\xb2",
+	"\xe1\xbb\xb5" => "\xe1\xbb\xb4",
+	"\xe1\xbb\xb7" => "\xe1\xbb\xb6",
+	"\xe1\xbb\xb9" => "\xe1\xbb\xb8",
+	"\xe1\xbc\x80" => "\xe1\xbc\x88",
+	"\xe1\xbc\x81" => "\xe1\xbc\x89",
+	"\xe1\xbc\x82" => "\xe1\xbc\x8a",
+	"\xe1\xbc\x83" => "\xe1\xbc\x8b",
+	"\xe1\xbc\x84" => "\xe1\xbc\x8c",
+	"\xe1\xbc\x85" => "\xe1\xbc\x8d",
+	"\xe1\xbc\x86" => "\xe1\xbc\x8e",
+	"\xe1\xbc\x87" => "\xe1\xbc\x8f",
+	"\xe1\xbc\x90" => "\xe1\xbc\x98",
+	"\xe1\xbc\x91" => "\xe1\xbc\x99",
+	"\xe1\xbc\x92" => "\xe1\xbc\x9a",
+	"\xe1\xbc\x93" => "\xe1\xbc\x9b",
+	"\xe1\xbc\x94" => "\xe1\xbc\x9c",
+	"\xe1\xbc\x95" => "\xe1\xbc\x9d",
+	"\xe1\xbc\xa0" => "\xe1\xbc\xa8",
+	"\xe1\xbc\xa1" => "\xe1\xbc\xa9",
+	"\xe1\xbc\xa2" => "\xe1\xbc\xaa",
+	"\xe1\xbc\xa3" => "\xe1\xbc\xab",
+	"\xe1\xbc\xa4" => "\xe1\xbc\xac",
+	"\xe1\xbc\xa5" => "\xe1\xbc\xad",
+	"\xe1\xbc\xa6" => "\xe1\xbc\xae",
+	"\xe1\xbc\xa7" => "\xe1\xbc\xaf",
+	"\xe1\xbc\xb0" => "\xe1\xbc\xb8",
+	"\xe1\xbc\xb1" => "\xe1\xbc\xb9",
+	"\xe1\xbc\xb2" => "\xe1\xbc\xba",
+	"\xe1\xbc\xb3" => "\xe1\xbc\xbb",
+	"\xe1\xbc\xb4" => "\xe1\xbc\xbc",
+	"\xe1\xbc\xb5" => "\xe1\xbc\xbd",
+	"\xe1\xbc\xb6" => "\xe1\xbc\xbe",
+	"\xe1\xbc\xb7" => "\xe1\xbc\xbf",
+	"\xe1\xbd\x80" => "\xe1\xbd\x88",
+	"\xe1\xbd\x81" => "\xe1\xbd\x89",
+	"\xe1\xbd\x82" => "\xe1\xbd\x8a",
+	"\xe1\xbd\x83" => "\xe1\xbd\x8b",
+	"\xe1\xbd\x84" => "\xe1\xbd\x8c",
+	"\xe1\xbd\x85" => "\xe1\xbd\x8d",
+	"\xe1\xbd\x91" => "\xe1\xbd\x99",
+	"\xe1\xbd\x93" => "\xe1\xbd\x9b",
+	"\xe1\xbd\x95" => "\xe1\xbd\x9d",
+	"\xe1\xbd\x97" => "\xe1\xbd\x9f",
+	"\xe1\xbd\xa0" => "\xe1\xbd\xa8",
+	"\xe1\xbd\xa1" => "\xe1\xbd\xa9",
+	"\xe1\xbd\xa2" => "\xe1\xbd\xaa",
+	"\xe1\xbd\xa3" => "\xe1\xbd\xab",
+	"\xe1\xbd\xa4" => "\xe1\xbd\xac",
+	"\xe1\xbd\xa5" => "\xe1\xbd\xad",
+	"\xe1\xbd\xa6" => "\xe1\xbd\xae",
+	"\xe1\xbd\xa7" => "\xe1\xbd\xaf",
+	"\xe1\xbd\xb0" => "\xe1\xbe\xba",
+	"\xe1\xbd\xb1" => "\xe1\xbe\xbb",
+	"\xe1\xbd\xb2" => "\xe1\xbf\x88",
+	"\xe1\xbd\xb3" => "\xe1\xbf\x89",
+	"\xe1\xbd\xb4" => "\xe1\xbf\x8a",
+	"\xe1\xbd\xb5" => "\xe1\xbf\x8b",
+	"\xe1\xbd\xb6" => "\xe1\xbf\x9a",
+	"\xe1\xbd\xb7" => "\xe1\xbf\x9b",
+	"\xe1\xbd\xb8" => "\xe1\xbf\xb8",
+	"\xe1\xbd\xb9" => "\xe1\xbf\xb9",
+	"\xe1\xbd\xba" => "\xe1\xbf\xaa",
+	"\xe1\xbd\xbb" => "\xe1\xbf\xab",
+	"\xe1\xbd\xbc" => "\xe1\xbf\xba",
+	"\xe1\xbd\xbd" => "\xe1\xbf\xbb",
+	"\xe1\xbe\x80" => "\xe1\xbe\x88",
+	"\xe1\xbe\x81" => "\xe1\xbe\x89",
+	"\xe1\xbe\x82" => "\xe1\xbe\x8a",
+	"\xe1\xbe\x83" => "\xe1\xbe\x8b",
+	"\xe1\xbe\x84" => "\xe1\xbe\x8c",
+	"\xe1\xbe\x85" => "\xe1\xbe\x8d",
+	"\xe1\xbe\x86" => "\xe1\xbe\x8e",
+	"\xe1\xbe\x87" => "\xe1\xbe\x8f",
+	"\xe1\xbe\x90" => "\xe1\xbe\x98",
+	"\xe1\xbe\x91" => "\xe1\xbe\x99",
+	"\xe1\xbe\x92" => "\xe1\xbe\x9a",
+	"\xe1\xbe\x93" => "\xe1\xbe\x9b",
+	"\xe1\xbe\x94" => "\xe1\xbe\x9c",
+	"\xe1\xbe\x95" => "\xe1\xbe\x9d",
+	"\xe1\xbe\x96" => "\xe1\xbe\x9e",
+	"\xe1\xbe\x97" => "\xe1\xbe\x9f",
+	"\xe1\xbe\xa0" => "\xe1\xbe\xa8",
+	"\xe1\xbe\xa1" => "\xe1\xbe\xa9",
+	"\xe1\xbe\xa2" => "\xe1\xbe\xaa",
+	"\xe1\xbe\xa3" => "\xe1\xbe\xab",
+	"\xe1\xbe\xa4" => "\xe1\xbe\xac",
+	"\xe1\xbe\xa5" => "\xe1\xbe\xad",
+	"\xe1\xbe\xa6" => "\xe1\xbe\xae",
+	"\xe1\xbe\xa7" => "\xe1\xbe\xaf",
+	"\xe1\xbe\xb0" => "\xe1\xbe\xb8",
+	"\xe1\xbe\xb1" => "\xe1\xbe\xb9",
+	"\xe1\xbe\xb3" => "\xe1\xbe\xbc",
+	"\xe1\xbe\xbe" => "\xce\x99",
+	"\xe1\xbf\x83" => "\xe1\xbf\x8c",
+	"\xe1\xbf\x90" => "\xe1\xbf\x98",
+	"\xe1\xbf\x91" => "\xe1\xbf\x99",
+	"\xe1\xbf\xa0" => "\xe1\xbf\xa8",
+	"\xe1\xbf\xa1" => "\xe1\xbf\xa9",
+	"\xe1\xbf\xa5" => "\xe1\xbf\xac",
+	"\xe1\xbf\xb3" => "\xe1\xbf\xbc",
+	"\xe2\x85\xb0" => "\xe2\x85\xa0",
+	"\xe2\x85\xb1" => "\xe2\x85\xa1",
+	"\xe2\x85\xb2" => "\xe2\x85\xa2",
+	"\xe2\x85\xb3" => "\xe2\x85\xa3",
+	"\xe2\x85\xb4" => "\xe2\x85\xa4",
+	"\xe2\x85\xb5" => "\xe2\x85\xa5",
+	"\xe2\x85\xb6" => "\xe2\x85\xa6",
+	"\xe2\x85\xb7" => "\xe2\x85\xa7",
+	"\xe2\x85\xb8" => "\xe2\x85\xa8",
+	"\xe2\x85\xb9" => "\xe2\x85\xa9",
+	"\xe2\x85\xba" => "\xe2\x85\xaa",
+	"\xe2\x85\xbb" => "\xe2\x85\xab",
+	"\xe2\x85\xbc" => "\xe2\x85\xac",
+	"\xe2\x85\xbd" => "\xe2\x85\xad",
+	"\xe2\x85\xbe" => "\xe2\x85\xae",
+	"\xe2\x85\xbf" => "\xe2\x85\xaf",
+	"\xe2\x93\x90" => "\xe2\x92\xb6",
+	"\xe2\x93\x91" => "\xe2\x92\xb7",
+	"\xe2\x93\x92" => "\xe2\x92\xb8",
+	"\xe2\x93\x93" => "\xe2\x92\xb9",
+	"\xe2\x93\x94" => "\xe2\x92\xba",
+	"\xe2\x93\x95" => "\xe2\x92\xbb",
+	"\xe2\x93\x96" => "\xe2\x92\xbc",
+	"\xe2\x93\x97" => "\xe2\x92\xbd",
+	"\xe2\x93\x98" => "\xe2\x92\xbe",
+	"\xe2\x93\x99" => "\xe2\x92\xbf",
+	"\xe2\x93\x9a" => "\xe2\x93\x80",
+	"\xe2\x93\x9b" => "\xe2\x93\x81",
+	"\xe2\x93\x9c" => "\xe2\x93\x82",
+	"\xe2\x93\x9d" => "\xe2\x93\x83",
+	"\xe2\x93\x9e" => "\xe2\x93\x84",
+	"\xe2\x93\x9f" => "\xe2\x93\x85",
+	"\xe2\x93\xa0" => "\xe2\x93\x86",
+	"\xe2\x93\xa1" => "\xe2\x93\x87",
+	"\xe2\x93\xa2" => "\xe2\x93\x88",
+	"\xe2\x93\xa3" => "\xe2\x93\x89",
+	"\xe2\x93\xa4" => "\xe2\x93\x8a",
+	"\xe2\x93\xa5" => "\xe2\x93\x8b",
+	"\xe2\x93\xa6" => "\xe2\x93\x8c",
+	"\xe2\x93\xa7" => "\xe2\x93\x8d",
+	"\xe2\x93\xa8" => "\xe2\x93\x8e",
+	"\xe2\x93\xa9" => "\xe2\x93\x8f",
+	"\xef\xbd\x81" => "\xef\xbc\xa1",
+	"\xef\xbd\x82" => "\xef\xbc\xa2",
+	"\xef\xbd\x83" => "\xef\xbc\xa3",
+	"\xef\xbd\x84" => "\xef\xbc\xa4",
+	"\xef\xbd\x85" => "\xef\xbc\xa5",
+	"\xef\xbd\x86" => "\xef\xbc\xa6",
+	"\xef\xbd\x87" => "\xef\xbc\xa7",
+	"\xef\xbd\x88" => "\xef\xbc\xa8",
+	"\xef\xbd\x89" => "\xef\xbc\xa9",
+	"\xef\xbd\x8a" => "\xef\xbc\xaa",
+	"\xef\xbd\x8b" => "\xef\xbc\xab",
+	"\xef\xbd\x8c" => "\xef\xbc\xac",
+	"\xef\xbd\x8d" => "\xef\xbc\xad",
+	"\xef\xbd\x8e" => "\xef\xbc\xae",
+	"\xef\xbd\x8f" => "\xef\xbc\xaf",
+	"\xef\xbd\x90" => "\xef\xbc\xb0",
+	"\xef\xbd\x91" => "\xef\xbc\xb1",
+	"\xef\xbd\x92" => "\xef\xbc\xb2",
+	"\xef\xbd\x93" => "\xef\xbc\xb3",
+	"\xef\xbd\x94" => "\xef\xbc\xb4",
+	"\xef\xbd\x95" => "\xef\xbc\xb5",
+	"\xef\xbd\x96" => "\xef\xbc\xb6",
+	"\xef\xbd\x97" => "\xef\xbc\xb7",
+	"\xef\xbd\x98" => "\xef\xbc\xb8",
+	"\xef\xbd\x99" => "\xef\xbc\xb9",
+	"\xef\xbd\x9a" => "\xef\xbc\xba",
+	"\xf0\x90\x90\xa8" => "\xf0\x90\x90\x80",
+	"\xf0\x90\x90\xa9" => "\xf0\x90\x90\x81",
+	"\xf0\x90\x90\xaa" => "\xf0\x90\x90\x82",
+	"\xf0\x90\x90\xab" => "\xf0\x90\x90\x83",
+	"\xf0\x90\x90\xac" => "\xf0\x90\x90\x84",
+	"\xf0\x90\x90\xad" => "\xf0\x90\x90\x85",
+	"\xf0\x90\x90\xae" => "\xf0\x90\x90\x86",
+	"\xf0\x90\x90\xaf" => "\xf0\x90\x90\x87",
+	"\xf0\x90\x90\xb0" => "\xf0\x90\x90\x88",
+	"\xf0\x90\x90\xb1" => "\xf0\x90\x90\x89",
+	"\xf0\x90\x90\xb2" => "\xf0\x90\x90\x8a",
+	"\xf0\x90\x90\xb3" => "\xf0\x90\x90\x8b",
+	"\xf0\x90\x90\xb4" => "\xf0\x90\x90\x8c",
+	"\xf0\x90\x90\xb5" => "\xf0\x90\x90\x8d",
+	"\xf0\x90\x90\xb6" => "\xf0\x90\x90\x8e",
+	"\xf0\x90\x90\xb7" => "\xf0\x90\x90\x8f",
+	"\xf0\x90\x90\xb8" => "\xf0\x90\x90\x90",
+	"\xf0\x90\x90\xb9" => "\xf0\x90\x90\x91",
+	"\xf0\x90\x90\xba" => "\xf0\x90\x90\x92",
+	"\xf0\x90\x90\xbb" => "\xf0\x90\x90\x93",
+	"\xf0\x90\x90\xbc" => "\xf0\x90\x90\x94",
+	"\xf0\x90\x90\xbd" => "\xf0\x90\x90\x95",
+	"\xf0\x90\x90\xbe" => "\xf0\x90\x90\x96",
+	"\xf0\x90\x90\xbf" => "\xf0\x90\x90\x97",
+	"\xf0\x90\x91\x80" => "\xf0\x90\x90\x98",
+	"\xf0\x90\x91\x81" => "\xf0\x90\x90\x99",
+	"\xf0\x90\x91\x82" => "\xf0\x90\x90\x9a",
+	"\xf0\x90\x91\x83" => "\xf0\x90\x90\x9b",
+	"\xf0\x90\x91\x84" => "\xf0\x90\x90\x9c",
+	"\xf0\x90\x91\x85" => "\xf0\x90\x90\x9d",
+	"\xf0\x90\x91\x86" => "\xf0\x90\x90\x9e",
+	"\xf0\x90\x91\x87" => "\xf0\x90\x90\x9f",
+	"\xf0\x90\x91\x88" => "\xf0\x90\x90\xa0",
+	"\xf0\x90\x91\x89" => "\xf0\x90\x90\xa1",
+	"\xf0\x90\x91\x8a" => "\xf0\x90\x90\xa2",
+	"\xf0\x90\x91\x8b" => "\xf0\x90\x90\xa3",
+	"\xf0\x90\x91\x8c" => "\xf0\x90\x90\xa4",
+	"\xf0\x90\x91\x8d" => "\xf0\x90\x90\xa5"
+);
+
+/*
+ * Translation array to get lower case character
+ */
+$wikiLowerChars = array (
+	"A" => "a",
+	"B" => "b",
+	"C" => "c",
+	"D" => "d",
+	"E" => "e",
+	"F" => "f",
+	"G" => "g",
+	"H" => "h",
+	"I" => "i",
+	"J" => "j",
+	"K" => "k",
+	"L" => "l",
+	"M" => "m",
+	"N" => "n",
+	"O" => "o",
+	"P" => "p",
+	"Q" => "q",
+	"R" => "r",
+	"S" => "s",
+	"T" => "t",
+	"U" => "u",
+	"V" => "v",
+	"W" => "w",
+	"X" => "x",
+	"Y" => "y",
+	"Z" => "z",
+	"\xc3\x80" => "\xc3\xa0",
+	"\xc3\x81" => "\xc3\xa1",
+	"\xc3\x82" => "\xc3\xa2",
+	"\xc3\x83" => "\xc3\xa3",
+	"\xc3\x84" => "\xc3\xa4",
+	"\xc3\x85" => "\xc3\xa5",
+	"\xc3\x86" => "\xc3\xa6",
+	"\xc3\x87" => "\xc3\xa7",
+	"\xc3\x88" => "\xc3\xa8",
+	"\xc3\x89" => "\xc3\xa9",
+	"\xc3\x8a" => "\xc3\xaa",
+	"\xc3\x8b" => "\xc3\xab",
+	"\xc3\x8c" => "\xc3\xac",
+	"\xc3\x8d" => "\xc3\xad",
+	"\xc3\x8e" => "\xc3\xae",
+	"\xc3\x8f" => "\xc3\xaf",
+	"\xc3\x90" => "\xc3\xb0",
+	"\xc3\x91" => "\xc3\xb1",
+	"\xc3\x92" => "\xc3\xb2",
+	"\xc3\x93" => "\xc3\xb3",
+	"\xc3\x94" => "\xc3\xb4",
+	"\xc3\x95" => "\xc3\xb5",
+	"\xc3\x96" => "\xc3\xb6",
+	"\xc3\x98" => "\xc3\xb8",
+	"\xc3\x99" => "\xc3\xb9",
+	"\xc3\x9a" => "\xc3\xba",
+	"\xc3\x9b" => "\xc3\xbb",
+	"\xc3\x9c" => "\xc3\xbc",
+	"\xc3\x9d" => "\xc3\xbd",
+	"\xc3\x9e" => "\xc3\xbe",
+	"\xc4\x80" => "\xc4\x81",
+	"\xc4\x82" => "\xc4\x83",
+	"\xc4\x84" => "\xc4\x85",
+	"\xc4\x86" => "\xc4\x87",
+	"\xc4\x88" => "\xc4\x89",
+	"\xc4\x8a" => "\xc4\x8b",
+	"\xc4\x8c" => "\xc4\x8d",
+	"\xc4\x8e" => "\xc4\x8f",
+	"\xc4\x90" => "\xc4\x91",
+	"\xc4\x92" => "\xc4\x93",
+	"\xc4\x94" => "\xc4\x95",
+	"\xc4\x96" => "\xc4\x97",
+	"\xc4\x98" => "\xc4\x99",
+	"\xc4\x9a" => "\xc4\x9b",
+	"\xc4\x9c" => "\xc4\x9d",
+	"\xc4\x9e" => "\xc4\x9f",
+	"\xc4\xa0" => "\xc4\xa1",
+	"\xc4\xa2" => "\xc4\xa3",
+	"\xc4\xa4" => "\xc4\xa5",
+	"\xc4\xa6" => "\xc4\xa7",
+	"\xc4\xa8" => "\xc4\xa9",
+	"\xc4\xaa" => "\xc4\xab",
+	"\xc4\xac" => "\xc4\xad",
+	"\xc4\xae" => "\xc4\xaf",
+	"\xc4\xb0" => "i",
+	"\xc4\xb2" => "\xc4\xb3",
+	"\xc4\xb4" => "\xc4\xb5",
+	"\xc4\xb6" => "\xc4\xb7",
+	"\xc4\xb9" => "\xc4\xba",
+	"\xc4\xbb" => "\xc4\xbc",
+	"\xc4\xbd" => "\xc4\xbe",
+	"\xc4\xbf" => "\xc5\x80",
+	"\xc5\x81" => "\xc5\x82",
+	"\xc5\x83" => "\xc5\x84",
+	"\xc5\x85" => "\xc5\x86",
+	"\xc5\x87" => "\xc5\x88",
+	"\xc5\x8a" => "\xc5\x8b",
+	"\xc5\x8c" => "\xc5\x8d",
+	"\xc5\x8e" => "\xc5\x8f",
+	"\xc5\x90" => "\xc5\x91",
+	"\xc5\x92" => "\xc5\x93",
+	"\xc5\x94" => "\xc5\x95",
+	"\xc5\x96" => "\xc5\x97",
+	"\xc5\x98" => "\xc5\x99",
+	"\xc5\x9a" => "\xc5\x9b",
+	"\xc5\x9c" => "\xc5\x9d",
+	"\xc5\x9e" => "\xc5\x9f",
+	"\xc5\xa0" => "\xc5\xa1",
+	"\xc5\xa2" => "\xc5\xa3",
+	"\xc5\xa4" => "\xc5\xa5",
+	"\xc5\xa6" => "\xc5\xa7",
+	"\xc5\xa8" => "\xc5\xa9",
+	"\xc5\xaa" => "\xc5\xab",
+	"\xc5\xac" => "\xc5\xad",
+	"\xc5\xae" => "\xc5\xaf",
+	"\xc5\xb0" => "\xc5\xb1",
+	"\xc5\xb2" => "\xc5\xb3",
+	"\xc5\xb4" => "\xc5\xb5",
+	"\xc5\xb6" => "\xc5\xb7",
+	"\xc5\xb8" => "\xc3\xbf",
+	"\xc5\xb9" => "\xc5\xba",
+	"\xc5\xbb" => "\xc5\xbc",
+	"\xc5\xbd" => "\xc5\xbe",
+	"\xc6\x81" => "\xc9\x93",
+	"\xc6\x82" => "\xc6\x83",
+	"\xc6\x84" => "\xc6\x85",
+	"\xc6\x86" => "\xc9\x94",
+	"\xc6\x87" => "\xc6\x88",
+	"\xc6\x89" => "\xc9\x96",
+	"\xc6\x8a" => "\xc9\x97",
+	"\xc6\x8b" => "\xc6\x8c",
+	"\xc6\x8e" => "\xc7\x9d",
+	"\xc6\x8f" => "\xc9\x99",
+	"\xc6\x90" => "\xc9\x9b",
+	"\xc6\x91" => "\xc6\x92",
+	"\xc6\x93" => "\xc9\xa0",
+	"\xc6\x94" => "\xc9\xa3",
+	"\xc6\x96" => "\xc9\xa9",
+	"\xc6\x97" => "\xc9\xa8",
+	"\xc6\x98" => "\xc6\x99",
+	"\xc6\x9c" => "\xc9\xaf",
+	"\xc6\x9d" => "\xc9\xb2",
+	"\xc6\x9f" => "\xc9\xb5",
+	"\xc6\xa0" => "\xc6\xa1",
+	"\xc6\xa2" => "\xc6\xa3",
+	"\xc6\xa4" => "\xc6\xa5",
+	"\xc6\xa6" => "\xca\x80",
+	"\xc6\xa7" => "\xc6\xa8",
+	"\xc6\xa9" => "\xca\x83",
+	"\xc6\xac" => "\xc6\xad",
+	"\xc6\xae" => "\xca\x88",
+	"\xc6\xaf" => "\xc6\xb0",
+	"\xc6\xb1" => "\xca\x8a",
+	"\xc6\xb2" => "\xca\x8b",
+	"\xc6\xb3" => "\xc6\xb4",
+	"\xc6\xb5" => "\xc6\xb6",
+	"\xc6\xb7" => "\xca\x92",
+	"\xc6\xb8" => "\xc6\xb9",
+	"\xc6\xbc" => "\xc6\xbd",
+	"\xc7\x84" => "\xc7\x86",
+	"\xc7\x85" => "\xc7\x86",
+	"\xc7\x87" => "\xc7\x89",
+	"\xc7\x88" => "\xc7\x89",
+	"\xc7\x8a" => "\xc7\x8c",
+	"\xc7\x8b" => "\xc7\x8c",
+	"\xc7\x8d" => "\xc7\x8e",
+	"\xc7\x8f" => "\xc7\x90",
+	"\xc7\x91" => "\xc7\x92",
+	"\xc7\x93" => "\xc7\x94",
+	"\xc7\x95" => "\xc7\x96",
+	"\xc7\x97" => "\xc7\x98",
+	"\xc7\x99" => "\xc7\x9a",
+	"\xc7\x9b" => "\xc7\x9c",
+	"\xc7\x9e" => "\xc7\x9f",
+	"\xc7\xa0" => "\xc7\xa1",
+	"\xc7\xa2" => "\xc7\xa3",
+	"\xc7\xa4" => "\xc7\xa5",
+	"\xc7\xa6" => "\xc7\xa7",
+	"\xc7\xa8" => "\xc7\xa9",
+	"\xc7\xaa" => "\xc7\xab",
+	"\xc7\xac" => "\xc7\xad",
+	"\xc7\xae" => "\xc7\xaf",
+	"\xc7\xb1" => "\xc7\xb3",
+	"\xc7\xb2" => "\xc7\xb3",
+	"\xc7\xb4" => "\xc7\xb5",
+	"\xc7\xb6" => "\xc6\x95",
+	"\xc7\xb7" => "\xc6\xbf",
+	"\xc7\xb8" => "\xc7\xb9",
+	"\xc7\xba" => "\xc7\xbb",
+	"\xc7\xbc" => "\xc7\xbd",
+	"\xc7\xbe" => "\xc7\xbf",
+	"\xc8\x80" => "\xc8\x81",
+	"\xc8\x82" => "\xc8\x83",
+	"\xc8\x84" => "\xc8\x85",
+	"\xc8\x86" => "\xc8\x87",
+	"\xc8\x88" => "\xc8\x89",
+	"\xc8\x8a" => "\xc8\x8b",
+	"\xc8\x8c" => "\xc8\x8d",
+	"\xc8\x8e" => "\xc8\x8f",
+	"\xc8\x90" => "\xc8\x91",
+	"\xc8\x92" => "\xc8\x93",
+	"\xc8\x94" => "\xc8\x95",
+	"\xc8\x96" => "\xc8\x97",
+	"\xc8\x98" => "\xc8\x99",
+	"\xc8\x9a" => "\xc8\x9b",
+	"\xc8\x9c" => "\xc8\x9d",
+	"\xc8\x9e" => "\xc8\x9f",
+	"\xc8\xa2" => "\xc8\xa3",
+	"\xc8\xa4" => "\xc8\xa5",
+	"\xc8\xa6" => "\xc8\xa7",
+	"\xc8\xa8" => "\xc8\xa9",
+	"\xc8\xaa" => "\xc8\xab",
+	"\xc8\xac" => "\xc8\xad",
+	"\xc8\xae" => "\xc8\xaf",
+	"\xc8\xb0" => "\xc8\xb1",
+	"\xc8\xb2" => "\xc8\xb3",
+	"\xce\x86" => "\xce\xac",
+	"\xce\x88" => "\xce\xad",
+	"\xce\x89" => "\xce\xae",
+	"\xce\x8a" => "\xce\xaf",
+	"\xce\x8c" => "\xcf\x8c",
+	"\xce\x8e" => "\xcf\x8d",
+	"\xce\x8f" => "\xcf\x8e",
+	"\xce\x91" => "\xce\xb1",
+	"\xce\x92" => "\xce\xb2",
+	"\xce\x93" => "\xce\xb3",
+	"\xce\x94" => "\xce\xb4",
+	"\xce\x95" => "\xce\xb5",
+	"\xce\x96" => "\xce\xb6",
+	"\xce\x97" => "\xce\xb7",
+	"\xce\x98" => "\xce\xb8",
+	"\xce\x99" => "\xce\xb9",
+	"\xce\x9a" => "\xce\xba",
+	"\xce\x9b" => "\xce\xbb",
+	"\xce\x9c" => "\xce\xbc",
+	"\xce\x9d" => "\xce\xbd",
+	"\xce\x9e" => "\xce\xbe",
+	"\xce\x9f" => "\xce\xbf",
+	"\xce\xa0" => "\xcf\x80",
+	"\xce\xa1" => "\xcf\x81",
+	"\xce\xa3" => "\xcf\x83",
+	"\xce\xa4" => "\xcf\x84",
+	"\xce\xa5" => "\xcf\x85",
+	"\xce\xa6" => "\xcf\x86",
+	"\xce\xa7" => "\xcf\x87",
+	"\xce\xa8" => "\xcf\x88",
+	"\xce\xa9" => "\xcf\x89",
+	"\xce\xaa" => "\xcf\x8a",
+	"\xce\xab" => "\xcf\x8b",
+	"\xcf\x9a" => "\xcf\x9b",
+	"\xcf\x9c" => "\xcf\x9d",
+	"\xcf\x9e" => "\xcf\x9f",
+	"\xcf\xa0" => "\xcf\xa1",
+	"\xcf\xa2" => "\xcf\xa3",
+	"\xcf\xa4" => "\xcf\xa5",
+	"\xcf\xa6" => "\xcf\xa7",
+	"\xcf\xa8" => "\xcf\xa9",
+	"\xcf\xaa" => "\xcf\xab",
+	"\xcf\xac" => "\xcf\xad",
+	"\xcf\xae" => "\xcf\xaf",
+	"\xcf\xb4" => "\xce\xb8",
+	"\xd0\x80" => "\xd1\x90",
+	"\xd0\x81" => "\xd1\x91",
+	"\xd0\x82" => "\xd1\x92",
+	"\xd0\x83" => "\xd1\x93",
+	"\xd0\x84" => "\xd1\x94",
+	"\xd0\x85" => "\xd1\x95",
+	"\xd0\x86" => "\xd1\x96",
+	"\xd0\x87" => "\xd1\x97",
+	"\xd0\x88" => "\xd1\x98",
+	"\xd0\x89" => "\xd1\x99",
+	"\xd0\x8a" => "\xd1\x9a",
+	"\xd0\x8b" => "\xd1\x9b",
+	"\xd0\x8c" => "\xd1\x9c",
+	"\xd0\x8d" => "\xd1\x9d",
+	"\xd0\x8e" => "\xd1\x9e",
+	"\xd0\x8f" => "\xd1\x9f",
+	"\xd0\x90" => "\xd0\xb0",
+	"\xd0\x91" => "\xd0\xb1",
+	"\xd0\x92" => "\xd0\xb2",
+	"\xd0\x93" => "\xd0\xb3",
+	"\xd0\x94" => "\xd0\xb4",
+	"\xd0\x95" => "\xd0\xb5",
+	"\xd0\x96" => "\xd0\xb6",
+	"\xd0\x97" => "\xd0\xb7",
+	"\xd0\x98" => "\xd0\xb8",
+	"\xd0\x99" => "\xd0\xb9",
+	"\xd0\x9a" => "\xd0\xba",
+	"\xd0\x9b" => "\xd0\xbb",
+	"\xd0\x9c" => "\xd0\xbc",
+	"\xd0\x9d" => "\xd0\xbd",
+	"\xd0\x9e" => "\xd0\xbe",
+	"\xd0\x9f" => "\xd0\xbf",
+	"\xd0\xa0" => "\xd1\x80",
+	"\xd0\xa1" => "\xd1\x81",
+	"\xd0\xa2" => "\xd1\x82",
+	"\xd0\xa3" => "\xd1\x83",
+	"\xd0\xa4" => "\xd1\x84",
+	"\xd0\xa5" => "\xd1\x85",
+	"\xd0\xa6" => "\xd1\x86",
+	"\xd0\xa7" => "\xd1\x87",
+	"\xd0\xa8" => "\xd1\x88",
+	"\xd0\xa9" => "\xd1\x89",
+	"\xd0\xaa" => "\xd1\x8a",
+	"\xd0\xab" => "\xd1\x8b",
+	"\xd0\xac" => "\xd1\x8c",
+	"\xd0\xad" => "\xd1\x8d",
+	"\xd0\xae" => "\xd1\x8e",
+	"\xd0\xaf" => "\xd1\x8f",
+	"\xd1\xa0" => "\xd1\xa1",
+	"\xd1\xa2" => "\xd1\xa3",
+	"\xd1\xa4" => "\xd1\xa5",
+	"\xd1\xa6" => "\xd1\xa7",
+	"\xd1\xa8" => "\xd1\xa9",
+	"\xd1\xaa" => "\xd1\xab",
+	"\xd1\xac" => "\xd1\xad",
+	"\xd1\xae" => "\xd1\xaf",
+	"\xd1\xb0" => "\xd1\xb1",
+	"\xd1\xb2" => "\xd1\xb3",
+	"\xd1\xb4" => "\xd1\xb5",
+	"\xd1\xb6" => "\xd1\xb7",
+	"\xd1\xb8" => "\xd1\xb9",
+	"\xd1\xba" => "\xd1\xbb",
+	"\xd1\xbc" => "\xd1\xbd",
+	"\xd1\xbe" => "\xd1\xbf",
+	"\xd2\x80" => "\xd2\x81",
+	"\xd2\x8c" => "\xd2\x8d",
+	"\xd2\x8e" => "\xd2\x8f",
+	"\xd2\x90" => "\xd2\x91",
+	"\xd2\x92" => "\xd2\x93",
+	"\xd2\x94" => "\xd2\x95",
+	"\xd2\x96" => "\xd2\x97",
+	"\xd2\x98" => "\xd2\x99",
+	"\xd2\x9a" => "\xd2\x9b",
+	"\xd2\x9c" => "\xd2\x9d",
+	"\xd2\x9e" => "\xd2\x9f",
+	"\xd2\xa0" => "\xd2\xa1",
+	"\xd2\xa2" => "\xd2\xa3",
+	"\xd2\xa4" => "\xd2\xa5",
+	"\xd2\xa6" => "\xd2\xa7",
+	"\xd2\xa8" => "\xd2\xa9",
+	"\xd2\xaa" => "\xd2\xab",
+	"\xd2\xac" => "\xd2\xad",
+	"\xd2\xae" => "\xd2\xaf",
+	"\xd2\xb0" => "\xd2\xb1",
+	"\xd2\xb2" => "\xd2\xb3",
+	"\xd2\xb4" => "\xd2\xb5",
+	"\xd2\xb6" => "\xd2\xb7",
+	"\xd2\xb8" => "\xd2\xb9",
+	"\xd2\xba" => "\xd2\xbb",
+	"\xd2\xbc" => "\xd2\xbd",
+	"\xd2\xbe" => "\xd2\xbf",
+	"\xd3\x81" => "\xd3\x82",
+	"\xd3\x83" => "\xd3\x84",
+	"\xd3\x87" => "\xd3\x88",
+	"\xd3\x8b" => "\xd3\x8c",
+	"\xd3\x90" => "\xd3\x91",
+	"\xd3\x92" => "\xd3\x93",
+	"\xd3\x94" => "\xd3\x95",
+	"\xd3\x96" => "\xd3\x97",
+	"\xd3\x98" => "\xd3\x99",
+	"\xd3\x9a" => "\xd3\x9b",
+	"\xd3\x9c" => "\xd3\x9d",
+	"\xd3\x9e" => "\xd3\x9f",
+	"\xd3\xa0" => "\xd3\xa1",
+	"\xd3\xa2" => "\xd3\xa3",
+	"\xd3\xa4" => "\xd3\xa5",
+	"\xd3\xa6" => "\xd3\xa7",
+	"\xd3\xa8" => "\xd3\xa9",
+	"\xd3\xaa" => "\xd3\xab",
+	"\xd3\xac" => "\xd3\xad",
+	"\xd3\xae" => "\xd3\xaf",
+	"\xd3\xb0" => "\xd3\xb1",
+	"\xd3\xb2" => "\xd3\xb3",
+	"\xd3\xb4" => "\xd3\xb5",
+	"\xd3\xb8" => "\xd3\xb9",
+	"\xd4\xb1" => "\xd5\xa1",
+	"\xd4\xb2" => "\xd5\xa2",
+	"\xd4\xb3" => "\xd5\xa3",
+	"\xd4\xb4" => "\xd5\xa4",
+	"\xd4\xb5" => "\xd5\xa5",
+	"\xd4\xb6" => "\xd5\xa6",
+	"\xd4\xb7" => "\xd5\xa7",
+	"\xd4\xb8" => "\xd5\xa8",
+	"\xd4\xb9" => "\xd5\xa9",
+	"\xd4\xba" => "\xd5\xaa",
+	"\xd4\xbb" => "\xd5\xab",
+	"\xd4\xbc" => "\xd5\xac",
+	"\xd4\xbd" => "\xd5\xad",
+	"\xd4\xbe" => "\xd5\xae",
+	"\xd4\xbf" => "\xd5\xaf",
+	"\xd5\x80" => "\xd5\xb0",
+	"\xd5\x81" => "\xd5\xb1",
+	"\xd5\x82" => "\xd5\xb2",
+	"\xd5\x83" => "\xd5\xb3",
+	"\xd5\x84" => "\xd5\xb4",
+	"\xd5\x85" => "\xd5\xb5",
+	"\xd5\x86" => "\xd5\xb6",
+	"\xd5\x87" => "\xd5\xb7",
+	"\xd5\x88" => "\xd5\xb8",
+	"\xd5\x89" => "\xd5\xb9",
+	"\xd5\x8a" => "\xd5\xba",
+	"\xd5\x8b" => "\xd5\xbb",
+	"\xd5\x8c" => "\xd5\xbc",
+	"\xd5\x8d" => "\xd5\xbd",
+	"\xd5\x8e" => "\xd5\xbe",
+	"\xd5\x8f" => "\xd5\xbf",
+	"\xd5\x90" => "\xd6\x80",
+	"\xd5\x91" => "\xd6\x81",
+	"\xd5\x92" => "\xd6\x82",
+	"\xd5\x93" => "\xd6\x83",
+	"\xd5\x94" => "\xd6\x84",
+	"\xd5\x95" => "\xd6\x85",
+	"\xd5\x96" => "\xd6\x86",
+	"\xe1\xb8\x80" => "\xe1\xb8\x81",
+	"\xe1\xb8\x82" => "\xe1\xb8\x83",
+	"\xe1\xb8\x84" => "\xe1\xb8\x85",
+	"\xe1\xb8\x86" => "\xe1\xb8\x87",
+	"\xe1\xb8\x88" => "\xe1\xb8\x89",
+	"\xe1\xb8\x8a" => "\xe1\xb8\x8b",
+	"\xe1\xb8\x8c" => "\xe1\xb8\x8d",
+	"\xe1\xb8\x8e" => "\xe1\xb8\x8f",
+	"\xe1\xb8\x90" => "\xe1\xb8\x91",
+	"\xe1\xb8\x92" => "\xe1\xb8\x93",
+	"\xe1\xb8\x94" => "\xe1\xb8\x95",
+	"\xe1\xb8\x96" => "\xe1\xb8\x97",
+	"\xe1\xb8\x98" => "\xe1\xb8\x99",
+	"\xe1\xb8\x9a" => "\xe1\xb8\x9b",
+	"\xe1\xb8\x9c" => "\xe1\xb8\x9d",
+	"\xe1\xb8\x9e" => "\xe1\xb8\x9f",
+	"\xe1\xb8\xa0" => "\xe1\xb8\xa1",
+	"\xe1\xb8\xa2" => "\xe1\xb8\xa3",
+	"\xe1\xb8\xa4" => "\xe1\xb8\xa5",
+	"\xe1\xb8\xa6" => "\xe1\xb8\xa7",
+	"\xe1\xb8\xa8" => "\xe1\xb8\xa9",
+	"\xe1\xb8\xaa" => "\xe1\xb8\xab",
+	"\xe1\xb8\xac" => "\xe1\xb8\xad",
+	"\xe1\xb8\xae" => "\xe1\xb8\xaf",
+	"\xe1\xb8\xb0" => "\xe1\xb8\xb1",
+	"\xe1\xb8\xb2" => "\xe1\xb8\xb3",
+	"\xe1\xb8\xb4" => "\xe1\xb8\xb5",
+	"\xe1\xb8\xb6" => "\xe1\xb8\xb7",
+	"\xe1\xb8\xb8" => "\xe1\xb8\xb9",
+	"\xe1\xb8\xba" => "\xe1\xb8\xbb",
+	"\xe1\xb8\xbc" => "\xe1\xb8\xbd",
+	"\xe1\xb8\xbe" => "\xe1\xb8\xbf",
+	"\xe1\xb9\x80" => "\xe1\xb9\x81",
+	"\xe1\xb9\x82" => "\xe1\xb9\x83",
+	"\xe1\xb9\x84" => "\xe1\xb9\x85",
+	"\xe1\xb9\x86" => "\xe1\xb9\x87",
+	"\xe1\xb9\x88" => "\xe1\xb9\x89",
+	"\xe1\xb9\x8a" => "\xe1\xb9\x8b",
+	"\xe1\xb9\x8c" => "\xe1\xb9\x8d",
+	"\xe1\xb9\x8e" => "\xe1\xb9\x8f",
+	"\xe1\xb9\x90" => "\xe1\xb9\x91",
+	"\xe1\xb9\x92" => "\xe1\xb9\x93",
+	"\xe1\xb9\x94" => "\xe1\xb9\x95",
+	"\xe1\xb9\x96" => "\xe1\xb9\x97",
+	"\xe1\xb9\x98" => "\xe1\xb9\x99",
+	"\xe1\xb9\x9a" => "\xe1\xb9\x9b",
+	"\xe1\xb9\x9c" => "\xe1\xb9\x9d",
+	"\xe1\xb9\x9e" => "\xe1\xb9\x9f",
+	"\xe1\xb9\xa0" => "\xe1\xb9\xa1",
+	"\xe1\xb9\xa2" => "\xe1\xb9\xa3",
+	"\xe1\xb9\xa4" => "\xe1\xb9\xa5",
+	"\xe1\xb9\xa6" => "\xe1\xb9\xa7",
+	"\xe1\xb9\xa8" => "\xe1\xb9\xa9",
+	"\xe1\xb9\xaa" => "\xe1\xb9\xab",
+	"\xe1\xb9\xac" => "\xe1\xb9\xad",
+	"\xe1\xb9\xae" => "\xe1\xb9\xaf",
+	"\xe1\xb9\xb0" => "\xe1\xb9\xb1",
+	"\xe1\xb9\xb2" => "\xe1\xb9\xb3",
+	"\xe1\xb9\xb4" => "\xe1\xb9\xb5",
+	"\xe1\xb9\xb6" => "\xe1\xb9\xb7",
+	"\xe1\xb9\xb8" => "\xe1\xb9\xb9",
+	"\xe1\xb9\xba" => "\xe1\xb9\xbb",
+	"\xe1\xb9\xbc" => "\xe1\xb9\xbd",
+	"\xe1\xb9\xbe" => "\xe1\xb9\xbf",
+	"\xe1\xba\x80" => "\xe1\xba\x81",
+	"\xe1\xba\x82" => "\xe1\xba\x83",
+	"\xe1\xba\x84" => "\xe1\xba\x85",
+	"\xe1\xba\x86" => "\xe1\xba\x87",
+	"\xe1\xba\x88" => "\xe1\xba\x89",
+	"\xe1\xba\x8a" => "\xe1\xba\x8b",
+	"\xe1\xba\x8c" => "\xe1\xba\x8d",
+	"\xe1\xba\x8e" => "\xe1\xba\x8f",
+	"\xe1\xba\x90" => "\xe1\xba\x91",
+	"\xe1\xba\x92" => "\xe1\xba\x93",
+	"\xe1\xba\x94" => "\xe1\xba\x95",
+	"\xe1\xba\xa0" => "\xe1\xba\xa1",
+	"\xe1\xba\xa2" => "\xe1\xba\xa3",
+	"\xe1\xba\xa4" => "\xe1\xba\xa5",
+	"\xe1\xba\xa6" => "\xe1\xba\xa7",
+	"\xe1\xba\xa8" => "\xe1\xba\xa9",
+	"\xe1\xba\xaa" => "\xe1\xba\xab",
+	"\xe1\xba\xac" => "\xe1\xba\xad",
+	"\xe1\xba\xae" => "\xe1\xba\xaf",
+	"\xe1\xba\xb0" => "\xe1\xba\xb1",
+	"\xe1\xba\xb2" => "\xe1\xba\xb3",
+	"\xe1\xba\xb4" => "\xe1\xba\xb5",
+	"\xe1\xba\xb6" => "\xe1\xba\xb7",
+	"\xe1\xba\xb8" => "\xe1\xba\xb9",
+	"\xe1\xba\xba" => "\xe1\xba\xbb",
+	"\xe1\xba\xbc" => "\xe1\xba\xbd",
+	"\xe1\xba\xbe" => "\xe1\xba\xbf",
+	"\xe1\xbb\x80" => "\xe1\xbb\x81",
+	"\xe1\xbb\x82" => "\xe1\xbb\x83",
+	"\xe1\xbb\x84" => "\xe1\xbb\x85",
+	"\xe1\xbb\x86" => "\xe1\xbb\x87",
+	"\xe1\xbb\x88" => "\xe1\xbb\x89",
+	"\xe1\xbb\x8a" => "\xe1\xbb\x8b",
+	"\xe1\xbb\x8c" => "\xe1\xbb\x8d",
+	"\xe1\xbb\x8e" => "\xe1\xbb\x8f",
+	"\xe1\xbb\x90" => "\xe1\xbb\x91",
+	"\xe1\xbb\x92" => "\xe1\xbb\x93",
+	"\xe1\xbb\x94" => "\xe1\xbb\x95",
+	"\xe1\xbb\x96" => "\xe1\xbb\x97",
+	"\xe1\xbb\x98" => "\xe1\xbb\x99",
+	"\xe1\xbb\x9a" => "\xe1\xbb\x9b",
+	"\xe1\xbb\x9c" => "\xe1\xbb\x9d",
+	"\xe1\xbb\x9e" => "\xe1\xbb\x9f",
+	"\xe1\xbb\xa0" => "\xe1\xbb\xa1",
+	"\xe1\xbb\xa2" => "\xe1\xbb\xa3",
+	"\xe1\xbb\xa4" => "\xe1\xbb\xa5",
+	"\xe1\xbb\xa6" => "\xe1\xbb\xa7",
+	"\xe1\xbb\xa8" => "\xe1\xbb\xa9",
+	"\xe1\xbb\xaa" => "\xe1\xbb\xab",
+	"\xe1\xbb\xac" => "\xe1\xbb\xad",
+	"\xe1\xbb\xae" => "\xe1\xbb\xaf",
+	"\xe1\xbb\xb0" => "\xe1\xbb\xb1",
+	"\xe1\xbb\xb2" => "\xe1\xbb\xb3",
+	"\xe1\xbb\xb4" => "\xe1\xbb\xb5",
+	"\xe1\xbb\xb6" => "\xe1\xbb\xb7",
+	"\xe1\xbb\xb8" => "\xe1\xbb\xb9",
+	"\xe1\xbc\x88" => "\xe1\xbc\x80",
+	"\xe1\xbc\x89" => "\xe1\xbc\x81",
+	"\xe1\xbc\x8a" => "\xe1\xbc\x82",
+	"\xe1\xbc\x8b" => "\xe1\xbc\x83",
+	"\xe1\xbc\x8c" => "\xe1\xbc\x84",
+	"\xe1\xbc\x8d" => "\xe1\xbc\x85",
+	"\xe1\xbc\x8e" => "\xe1\xbc\x86",
+	"\xe1\xbc\x8f" => "\xe1\xbc\x87",
+	"\xe1\xbc\x98" => "\xe1\xbc\x90",
+	"\xe1\xbc\x99" => "\xe1\xbc\x91",
+	"\xe1\xbc\x9a" => "\xe1\xbc\x92",
+	"\xe1\xbc\x9b" => "\xe1\xbc\x93",
+	"\xe1\xbc\x9c" => "\xe1\xbc\x94",
+	"\xe1\xbc\x9d" => "\xe1\xbc\x95",
+	"\xe1\xbc\xa8" => "\xe1\xbc\xa0",
+	"\xe1\xbc\xa9" => "\xe1\xbc\xa1",
+	"\xe1\xbc\xaa" => "\xe1\xbc\xa2",
+	"\xe1\xbc\xab" => "\xe1\xbc\xa3",
+	"\xe1\xbc\xac" => "\xe1\xbc\xa4",
+	"\xe1\xbc\xad" => "\xe1\xbc\xa5",
+	"\xe1\xbc\xae" => "\xe1\xbc\xa6",
+	"\xe1\xbc\xaf" => "\xe1\xbc\xa7",
+	"\xe1\xbc\xb8" => "\xe1\xbc\xb0",
+	"\xe1\xbc\xb9" => "\xe1\xbc\xb1",
+	"\xe1\xbc\xba" => "\xe1\xbc\xb2",
+	"\xe1\xbc\xbb" => "\xe1\xbc\xb3",
+	"\xe1\xbc\xbc" => "\xe1\xbc\xb4",
+	"\xe1\xbc\xbd" => "\xe1\xbc\xb5",
+	"\xe1\xbc\xbe" => "\xe1\xbc\xb6",
+	"\xe1\xbc\xbf" => "\xe1\xbc\xb7",
+	"\xe1\xbd\x88" => "\xe1\xbd\x80",
+	"\xe1\xbd\x89" => "\xe1\xbd\x81",
+	"\xe1\xbd\x8a" => "\xe1\xbd\x82",
+	"\xe1\xbd\x8b" => "\xe1\xbd\x83",
+	"\xe1\xbd\x8c" => "\xe1\xbd\x84",
+	"\xe1\xbd\x8d" => "\xe1\xbd\x85",
+	"\xe1\xbd\x99" => "\xe1\xbd\x91",
+	"\xe1\xbd\x9b" => "\xe1\xbd\x93",
+	"\xe1\xbd\x9d" => "\xe1\xbd\x95",
+	"\xe1\xbd\x9f" => "\xe1\xbd\x97",
+	"\xe1\xbd\xa8" => "\xe1\xbd\xa0",
+	"\xe1\xbd\xa9" => "\xe1\xbd\xa1",
+	"\xe1\xbd\xaa" => "\xe1\xbd\xa2",
+	"\xe1\xbd\xab" => "\xe1\xbd\xa3",
+	"\xe1\xbd\xac" => "\xe1\xbd\xa4",
+	"\xe1\xbd\xad" => "\xe1\xbd\xa5",
+	"\xe1\xbd\xae" => "\xe1\xbd\xa6",
+	"\xe1\xbd\xaf" => "\xe1\xbd\xa7",
+	"\xe1\xbe\x88" => "\xe1\xbe\x80",
+	"\xe1\xbe\x89" => "\xe1\xbe\x81",
+	"\xe1\xbe\x8a" => "\xe1\xbe\x82",
+	"\xe1\xbe\x8b" => "\xe1\xbe\x83",
+	"\xe1\xbe\x8c" => "\xe1\xbe\x84",
+	"\xe1\xbe\x8d" => "\xe1\xbe\x85",
+	"\xe1\xbe\x8e" => "\xe1\xbe\x86",
+	"\xe1\xbe\x8f" => "\xe1\xbe\x87",
+	"\xe1\xbe\x98" => "\xe1\xbe\x90",
+	"\xe1\xbe\x99" => "\xe1\xbe\x91",
+	"\xe1\xbe\x9a" => "\xe1\xbe\x92",
+	"\xe1\xbe\x9b" => "\xe1\xbe\x93",
+	"\xe1\xbe\x9c" => "\xe1\xbe\x94",
+	"\xe1\xbe\x9d" => "\xe1\xbe\x95",
+	"\xe1\xbe\x9e" => "\xe1\xbe\x96",
+	"\xe1\xbe\x9f" => "\xe1\xbe\x97",
+	"\xe1\xbe\xa8" => "\xe1\xbe\xa0",
+	"\xe1\xbe\xa9" => "\xe1\xbe\xa1",
+	"\xe1\xbe\xaa" => "\xe1\xbe\xa2",
+	"\xe1\xbe\xab" => "\xe1\xbe\xa3",
+	"\xe1\xbe\xac" => "\xe1\xbe\xa4",
+	"\xe1\xbe\xad" => "\xe1\xbe\xa5",
+	"\xe1\xbe\xae" => "\xe1\xbe\xa6",
+	"\xe1\xbe\xaf" => "\xe1\xbe\xa7",
+	"\xe1\xbe\xb8" => "\xe1\xbe\xb0",
+	"\xe1\xbe\xb9" => "\xe1\xbe\xb1",
+	"\xe1\xbe\xba" => "\xe1\xbd\xb0",
+	"\xe1\xbe\xbb" => "\xe1\xbd\xb1",
+	"\xe1\xbe\xbc" => "\xe1\xbe\xb3",
+	"\xe1\xbf\x88" => "\xe1\xbd\xb2",
+	"\xe1\xbf\x89" => "\xe1\xbd\xb3",
+	"\xe1\xbf\x8a" => "\xe1\xbd\xb4",
+	"\xe1\xbf\x8b" => "\xe1\xbd\xb5",
+	"\xe1\xbf\x8c" => "\xe1\xbf\x83",
+	"\xe1\xbf\x98" => "\xe1\xbf\x90",
+	"\xe1\xbf\x99" => "\xe1\xbf\x91",
+	"\xe1\xbf\x9a" => "\xe1\xbd\xb6",
+	"\xe1\xbf\x9b" => "\xe1\xbd\xb7",
+	"\xe1\xbf\xa8" => "\xe1\xbf\xa0",
+	"\xe1\xbf\xa9" => "\xe1\xbf\xa1",
+	"\xe1\xbf\xaa" => "\xe1\xbd\xba",
+	"\xe1\xbf\xab" => "\xe1\xbd\xbb",
+	"\xe1\xbf\xac" => "\xe1\xbf\xa5",
+	"\xe1\xbf\xb8" => "\xe1\xbd\xb8",
+	"\xe1\xbf\xb9" => "\xe1\xbd\xb9",
+	"\xe1\xbf\xba" => "\xe1\xbd\xbc",
+	"\xe1\xbf\xbb" => "\xe1\xbd\xbd",
+	"\xe1\xbf\xbc" => "\xe1\xbf\xb3",
+	"\xe2\x84\xa6" => "\xcf\x89",
+	"\xe2\x84\xaa" => "k",
+	"\xe2\x84\xab" => "\xc3\xa5",
+	"\xe2\x85\xa0" => "\xe2\x85\xb0",
+	"\xe2\x85\xa1" => "\xe2\x85\xb1",
+	"\xe2\x85\xa2" => "\xe2\x85\xb2",
+	"\xe2\x85\xa3" => "\xe2\x85\xb3",
+	"\xe2\x85\xa4" => "\xe2\x85\xb4",
+	"\xe2\x85\xa5" => "\xe2\x85\xb5",
+	"\xe2\x85\xa6" => "\xe2\x85\xb6",
+	"\xe2\x85\xa7" => "\xe2\x85\xb7",
+	"\xe2\x85\xa8" => "\xe2\x85\xb8",
+	"\xe2\x85\xa9" => "\xe2\x85\xb9",
+	"\xe2\x85\xaa" => "\xe2\x85\xba",
+	"\xe2\x85\xab" => "\xe2\x85\xbb",
+	"\xe2\x85\xac" => "\xe2\x85\xbc",
+	"\xe2\x85\xad" => "\xe2\x85\xbd",
+	"\xe2\x85\xae" => "\xe2\x85\xbe",
+	"\xe2\x85\xaf" => "\xe2\x85\xbf",
+	"\xe2\x92\xb6" => "\xe2\x93\x90",
+	"\xe2\x92\xb7" => "\xe2\x93\x91",
+	"\xe2\x92\xb8" => "\xe2\x93\x92",
+	"\xe2\x92\xb9" => "\xe2\x93\x93",
+	"\xe2\x92\xba" => "\xe2\x93\x94",
+	"\xe2\x92\xbb" => "\xe2\x93\x95",
+	"\xe2\x92\xbc" => "\xe2\x93\x96",
+	"\xe2\x92\xbd" => "\xe2\x93\x97",
+	"\xe2\x92\xbe" => "\xe2\x93\x98",
+	"\xe2\x92\xbf" => "\xe2\x93\x99",
+	"\xe2\x93\x80" => "\xe2\x93\x9a",
+	"\xe2\x93\x81" => "\xe2\x93\x9b",
+	"\xe2\x93\x82" => "\xe2\x93\x9c",
+	"\xe2\x93\x83" => "\xe2\x93\x9d",
+	"\xe2\x93\x84" => "\xe2\x93\x9e",
+	"\xe2\x93\x85" => "\xe2\x93\x9f",
+	"\xe2\x93\x86" => "\xe2\x93\xa0",
+	"\xe2\x93\x87" => "\xe2\x93\xa1",
+	"\xe2\x93\x88" => "\xe2\x93\xa2",
+	"\xe2\x93\x89" => "\xe2\x93\xa3",
+	"\xe2\x93\x8a" => "\xe2\x93\xa4",
+	"\xe2\x93\x8b" => "\xe2\x93\xa5",
+	"\xe2\x93\x8c" => "\xe2\x93\xa6",
+	"\xe2\x93\x8d" => "\xe2\x93\xa7",
+	"\xe2\x93\x8e" => "\xe2\x93\xa8",
+	"\xe2\x93\x8f" => "\xe2\x93\xa9",
+	"\xef\xbc\xa1" => "\xef\xbd\x81",
+	"\xef\xbc\xa2" => "\xef\xbd\x82",
+	"\xef\xbc\xa3" => "\xef\xbd\x83",
+	"\xef\xbc\xa4" => "\xef\xbd\x84",
+	"\xef\xbc\xa5" => "\xef\xbd\x85",
+	"\xef\xbc\xa6" => "\xef\xbd\x86",
+	"\xef\xbc\xa7" => "\xef\xbd\x87",
+	"\xef\xbc\xa8" => "\xef\xbd\x88",
+	"\xef\xbc\xa9" => "\xef\xbd\x89",
+	"\xef\xbc\xaa" => "\xef\xbd\x8a",
+	"\xef\xbc\xab" => "\xef\xbd\x8b",
+	"\xef\xbc\xac" => "\xef\xbd\x8c",
+	"\xef\xbc\xad" => "\xef\xbd\x8d",
+	"\xef\xbc\xae" => "\xef\xbd\x8e",
+	"\xef\xbc\xaf" => "\xef\xbd\x8f",
+	"\xef\xbc\xb0" => "\xef\xbd\x90",
+	"\xef\xbc\xb1" => "\xef\xbd\x91",
+	"\xef\xbc\xb2" => "\xef\xbd\x92",
+	"\xef\xbc\xb3" => "\xef\xbd\x93",
+	"\xef\xbc\xb4" => "\xef\xbd\x94",
+	"\xef\xbc\xb5" => "\xef\xbd\x95",
+	"\xef\xbc\xb6" => "\xef\xbd\x96",
+	"\xef\xbc\xb7" => "\xef\xbd\x97",
+	"\xef\xbc\xb8" => "\xef\xbd\x98",
+	"\xef\xbc\xb9" => "\xef\xbd\x99",
+	"\xef\xbc\xba" => "\xef\xbd\x9a",
+	"\xf0\x90\x90\x80" => "\xf0\x90\x90\xa8",
+	"\xf0\x90\x90\x81" => "\xf0\x90\x90\xa9",
+	"\xf0\x90\x90\x82" => "\xf0\x90\x90\xaa",
+	"\xf0\x90\x90\x83" => "\xf0\x90\x90\xab",
+	"\xf0\x90\x90\x84" => "\xf0\x90\x90\xac",
+	"\xf0\x90\x90\x85" => "\xf0\x90\x90\xad",
+	"\xf0\x90\x90\x86" => "\xf0\x90\x90\xae",
+	"\xf0\x90\x90\x87" => "\xf0\x90\x90\xaf",
+	"\xf0\x90\x90\x88" => "\xf0\x90\x90\xb0",
+	"\xf0\x90\x90\x89" => "\xf0\x90\x90\xb1",
+	"\xf0\x90\x90\x8a" => "\xf0\x90\x90\xb2",
+	"\xf0\x90\x90\x8b" => "\xf0\x90\x90\xb3",
+	"\xf0\x90\x90\x8c" => "\xf0\x90\x90\xb4",
+	"\xf0\x90\x90\x8d" => "\xf0\x90\x90\xb5",
+	"\xf0\x90\x90\x8e" => "\xf0\x90\x90\xb6",
+	"\xf0\x90\x90\x8f" => "\xf0\x90\x90\xb7",
+	"\xf0\x90\x90\x90" => "\xf0\x90\x90\xb8",
+	"\xf0\x90\x90\x91" => "\xf0\x90\x90\xb9",
+	"\xf0\x90\x90\x92" => "\xf0\x90\x90\xba",
+	"\xf0\x90\x90\x93" => "\xf0\x90\x90\xbb",
+	"\xf0\x90\x90\x94" => "\xf0\x90\x90\xbc",
+	"\xf0\x90\x90\x95" => "\xf0\x90\x90\xbd",
+	"\xf0\x90\x90\x96" => "\xf0\x90\x90\xbe",
+	"\xf0\x90\x90\x97" => "\xf0\x90\x90\xbf",
+	"\xf0\x90\x90\x98" => "\xf0\x90\x91\x80",
+	"\xf0\x90\x90\x99" => "\xf0\x90\x91\x81",
+	"\xf0\x90\x90\x9a" => "\xf0\x90\x91\x82",
+	"\xf0\x90\x90\x9b" => "\xf0\x90\x91\x83",
+	"\xf0\x90\x90\x9c" => "\xf0\x90\x91\x84",
+	"\xf0\x90\x90\x9d" => "\xf0\x90\x91\x85",
+	"\xf0\x90\x90\x9e" => "\xf0\x90\x91\x86",
+	"\xf0\x90\x90\x9f" => "\xf0\x90\x91\x87",
+	"\xf0\x90\x90\xa0" => "\xf0\x90\x91\x88",
+	"\xf0\x90\x90\xa1" => "\xf0\x90\x91\x89",
+	"\xf0\x90\x90\xa2" => "\xf0\x90\x91\x8a",
+	"\xf0\x90\x90\xa3" => "\xf0\x90\x91\x8b",
+	"\xf0\x90\x90\xa4" => "\xf0\x90\x91\x8c",
+	"\xf0\x90\x90\xa5" => "\xf0\x90\x91\x8d"
+);
+
+?>
diff --git a/includes/WatchedItem.php b/includes/WatchedItem.php
new file mode 100644
index 00000000..3885bb98
--- /dev/null
+++ b/includes/WatchedItem.php
@@ -0,0 +1,190 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ */
+
+/**
+ *
+ * @package MediaWiki
+ */
+class WatchedItem {
+	var $mTitle, $mUser;
+
+	/**
+	 * Create a WatchedItem object with the given user and title
+	 * @todo document
+	 * @access private
+	 */
+	function &fromUserTitle( &$user, &$title ) {
+		$wl = new WatchedItem;
+		$wl->mUser =& $user;
+		$wl->mTitle =& $title;
+		$wl->id = $user->getId();
+# Patch (also) for email notification on page changes T.Gries/M.Arndt 11.09.2004
+# TG patch: here we do not consider pages and their talk pages equivalent - why should we ?
+# The change results in talk-pages not automatically included in watchlists, when their parent page is included
+#		$wl->ns = $title->getNamespace() & ~1;
+		$wl->ns = $title->getNamespace();
+
+		$wl->ti = $title->getDBkey();
+		return $wl;
+	}
+
+	/**
+	 * Returns the memcached key for this item
+	 */
+	function watchKey() {
+		global $wgDBname;
+		return "$wgDBname:watchlist:user:$this->id:page:$this->ns:$this->ti";
+	}
+
+	/**
+	 * Is mTitle being watched by mUser?
+	 */
+	function isWatched() {
+		# Pages and their talk pages are considered equivalent for watching;
+		# remember that talk namespaces are numbered as page namespace+1.
+		global $wgMemc;
+		$fname = 'WatchedItem::isWatched';
+
+		$key = $this->watchKey();
+		$iswatched = $wgMemc->get( $key );
+		if( is_integer( $iswatched ) ) return $iswatched;
+
+		$dbr =& wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'watchlist', 1, array( 'wl_user' => $this->id, 'wl_namespace' => $this->ns,
+			'wl_title' => $this->ti ), $fname );
+		$iswatched = ($dbr->numRows( $res ) > 0) ? 1 : 0;
+		$wgMemc->set( $key, $iswatched );
+		return $iswatched;
+	}
+
+	/**
+	 * @todo document
+	 */
+	function addWatch() {
+		$fname = 'WatchedItem::addWatch';
+		wfProfileIn( $fname );
+
+		// Use INSERT IGNORE to avoid overwriting the notification timestamp
+		// if there's already an entry for this page
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->insert( 'watchlist',
+		  array(
+		    'wl_user' => $this->id,
+			'wl_namespace' => ($this->ns & ~1),
+			'wl_title' => $this->ti,
+			'wl_notificationtimestamp' => NULL
+		  ), $fname, 'IGNORE' );
+
+		// Every single watched page needs now to be listed in watchlist;
+		// namespace:page and namespace_talk:page need separate entries:
+		$dbw->insert( 'watchlist',
+		  array(
+			'wl_user' => $this->id,
+			'wl_namespace' => ($this->ns | 1 ),
+			'wl_title' => $this->ti,
+			'wl_notificationtimestamp' => NULL
+		  ), $fname, 'IGNORE' );
+
+		global $wgMemc;
+		$wgMemc->set( $this->watchkey(), 1 );
+		wfProfileOut( $fname );
+		return true;
+	}
+
+	function removeWatch() {
+		global $wgMemc;
+		$fname = 'WatchedItem::removeWatch';
+
+		$success = false;
+		$dbw =& wfGetDB( DB_MASTER );
+		$dbw->delete( 'watchlist',
+			array(
+				'wl_user' => $this->id,
+				'wl_namespace' => ($this->ns & ~1),
+				'wl_title' => $this->ti
+			), $fname
+		);
+		if ( $dbw->affectedRows() ) {
+			$success = true;
+		}
+
+		# the following code compensates the new behaviour, introduced by the
+		# enotif patch, that every single watched page needs now to be listed
+		# in watchlist namespace:page and namespace_talk:page had separate
+		# entries: clear them
+		$dbw->delete( 'watchlist',
+			array(
+				'wl_user' => $this->id,
+				'wl_namespace' => ($this->ns | 1),
+				'wl_title' => $this->ti
+			), $fname
+		);
+
+		if ( $dbw->affectedRows() ) {
+			$success = true;
+		}
+		if ( $success ) {
+			$wgMemc->set( $this->watchkey(), 0 );
+		}
+		return $success;
+	}
+
+	/**
+	 * Check if the given title already is watched by the user, and if so
+	 * add watches on a new title. To be used for page renames and such.
+	 *
+	 * @param Title $ot Page title to duplicate entries from, if present
+	 * @param Title $nt Page title to add watches on
+	 * @static
+	 */
+	function duplicateEntries( $ot, $nt ) {
+		WatchedItem::doDuplicateEntries( $ot->getSubjectPage(), $nt->getSubjectPage() );
+		WatchedItem::doDuplicateEntries( $ot->getTalkPage(), $nt->getTalkPage() );
+	}
+
+	/**
+	 * @static
+	 * @access private
+	 */
+	function doDuplicateEntries( $ot, $nt ) {
+		$fname = "WatchedItem::duplicateEntries";
+		$oldnamespace = $ot->getNamespace();
+		$newnamespace = $nt->getNamespace();
+		$oldtitle = $ot->getDBkey();
+		$newtitle = $nt->getDBkey();
+
+		$dbw =& wfGetDB( DB_MASTER );
+		$res = $dbw->select( 'watchlist', 'wl_user',
+			array( 'wl_namespace' => $oldnamespace, 'wl_title' => $oldtitle ),
+			$fname, 'FOR UPDATE'
+		);
+		# Construct array to replace into the watchlist
+		$values = array();
+		while ( $s = $dbw->fetchObject( $res ) ) {
+			$values[] = array(
+				'wl_user' => $s->wl_user,
+				'wl_namespace' => $newnamespace,
+				'wl_title' => $newtitle
+			);
+		}
+		$dbw->freeResult( $res );
+
+		if( empty( $values ) ) {
+			// Nothing to do
+			return true;
+		}
+
+		# Perform replace
+		# Note that multi-row replace is very efficient for MySQL but may be inefficient for
+		# some other DBMSes, mostly due to poor simulation by us
+		$dbw->replace( 'watchlist', array(array( 'wl_user', 'wl_namespace', 'wl_title')), $values, $fname );
+		return true;
+	}
+
+
+}
+
+?>
diff --git a/includes/WebRequest.php b/includes/WebRequest.php
new file mode 100644
index 00000000..4031e369
--- /dev/null
+++ b/includes/WebRequest.php
@@ -0,0 +1,491 @@
+<?php
+/**
+ * Deal with importing all those nasssty globals and things
+ * @package MediaWiki
+ */
+
+# Copyright (C) 2003 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * The WebRequest class encapsulates getting at data passed in the
+ * URL or via a POSTed form, handling remove of "magic quotes" slashes,
+ * stripping illegal input characters and normalizing Unicode sequences.
+ *
+ * Usually this is used via a global singleton, $wgRequest. You should
+ * not create a second WebRequest object; make a FauxRequest object if
+ * you want to pass arbitrary data to some function in place of the web
+ * input.
+ *
+ * @package MediaWiki
+ */
+class WebRequest {
+	function WebRequest() {
+		$this->checkMagicQuotes();
+		global $wgUsePathInfo;
+		if( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != '') && $wgUsePathInfo ) {
+			# Stuff it!
+			$_GET['title'] = $_REQUEST['title'] =
+				substr( $_SERVER['PATH_INFO'], 1 );
+		}
+	}
+
+	/**
+	 * Recursively strips slashes from the given array;
+	 * used for undoing the evil that is magic_quotes_gpc.
+	 * @param array &$arr will be modified
+	 * @return array the original array
+	 * @private
+	 */
+	function &fix_magic_quotes( &$arr ) {
+		foreach( $arr as $key => $val ) {
+			if( is_array( $val ) ) {
+				$this->fix_magic_quotes( $arr[$key] );
+			} else {
+				$arr[$key] = stripslashes( $val );
+			}
+		}
+		return $arr;
+	}
+
+	/**
+	 * If magic_quotes_gpc option is on, run the global arrays
+	 * through fix_magic_quotes to strip out the stupid slashes.
+	 * WARNING: This should only be done once! Running a second
+	 * time could damage the values.
+	 * @private
+	 */
+	function checkMagicQuotes() {
+		if ( get_magic_quotes_gpc() ) {
+			$this->fix_magic_quotes( $_COOKIE );
+			$this->fix_magic_quotes( $_ENV );
+			$this->fix_magic_quotes( $_GET );
+			$this->fix_magic_quotes( $_POST );
+			$this->fix_magic_quotes( $_REQUEST );
+			$this->fix_magic_quotes( $_SERVER );
+		}
+	}
+
+	/**
+	 * Recursively normalizes UTF-8 strings in the given array.
+	 * @param array $data string or array
+	 * @return cleaned-up version of the given
+	 * @private
+	 */
+	function normalizeUnicode( $data ) {
+		if( is_array( $data ) ) {
+			foreach( $data as $key => $val ) {
+				$data[$key] = $this->normalizeUnicode( $val );
+			}
+		} else {
+			$data = UtfNormal::cleanUp( $data );
+		}
+		return $data;
+	}
+
+	/**
+	 * Fetch a value from the given array or return $default if it's not set.
+	 *
+	 * @param array $arr
+	 * @param string $name
+	 * @param mixed $default
+	 * @return mixed
+	 * @private
+	 */
+	function getGPCVal( $arr, $name, $default ) {
+		if( isset( $arr[$name] ) ) {
+			global $wgContLang;
+			$data = $arr[$name];
+			if( isset( $_GET[$name] ) && !is_array( $data ) ) {
+				# Check for alternate/legacy character encoding.
+				if( isset( $wgContLang ) ) {
+					$data = $wgContLang->checkTitleEncoding( $data );
+				}
+			}
+			require_once( 'normal/UtfNormal.php' );
+			$data = $this->normalizeUnicode( $data );
+			return $data;
+		} else {
+			return $default;
+		}
+	}
+
+	/**
+	 * Fetch a scalar from the input or return $default if it's not set.
+	 * Returns a string. Arrays are discarded.
+	 *
+	 * @param string $name
+	 * @param string $default optional default (or NULL)
+	 * @return string
+	 */
+	function getVal( $name, $default = NULL ) {
+		$val = $this->getGPCVal( $_REQUEST, $name, $default );
+		if( is_array( $val ) ) {
+			$val = $default;
+		}
+		if( is_null( $val ) ) {
+			return null;
+		} else {
+			return (string)$val;
+		}
+	}
+
+	/**
+	 * Fetch an array from the input or return $default if it's not set.
+	 * If source was scalar, will return an array with a single element.
+	 * If no source and no default, returns NULL.
+	 *
+	 * @param string $name
+	 * @param array $default optional default (or NULL)
+	 * @return array
+	 */
+	function getArray( $name, $default = NULL ) {
+		$val = $this->getGPCVal( $_REQUEST, $name, $default );
+		if( is_null( $val ) ) {
+			return null;
+		} else {
+			return (array)$val;
+		}
+	}
+	
+	/**
+	 * Fetch an array of integers, or return $default if it's not set.
+	 * If source was scalar, will return an array with a single element.
+	 * If no source and no default, returns NULL.
+	 * If an array is returned, contents are guaranteed to be integers.
+	 *
+	 * @param string $name
+	 * @param array $default option default (or NULL)
+	 * @return array of ints
+	 */
+	function getIntArray( $name, $default = NULL ) {
+		$val = $this->getArray( $name, $default );
+		if( is_array( $val ) ) {
+			$val = array_map( 'intval', $val );
+		}
+		return $val;
+	}
+
+	/**
+	 * Fetch an integer value from the input or return $default if not set.
+	 * Guaranteed to return an integer; non-numeric input will typically
+	 * return 0.
+	 * @param string $name
+	 * @param int $default
+	 * @return int
+	 */
+	function getInt( $name, $default = 0 ) {
+		return intval( $this->getVal( $name, $default ) );
+	}
+
+	/**
+	 * Fetch an integer value from the input or return null if empty.
+	 * Guaranteed to return an integer or null; non-numeric input will
+	 * typically return null.
+	 * @param string $name
+	 * @return int
+	 */
+	function getIntOrNull( $name ) {
+		$val = $this->getVal( $name );
+		return is_numeric( $val )
+			? intval( $val )
+			: null;
+	}
+
+	/**
+	 * Fetch a boolean value from the input or return $default if not set.
+	 * Guaranteed to return true or false, with normal PHP semantics for
+	 * boolean interpretation of strings.
+	 * @param string $name
+	 * @param bool $default
+	 * @return bool
+	 */
+	function getBool( $name, $default = false ) {
+		return $this->getVal( $name, $default ) ? true : false;
+	}
+
+	/**
+	 * Return true if the named value is set in the input, whatever that
+	 * value is (even "0"). Return false if the named value is not set.
+	 * Example use is checking for the presence of check boxes in forms.
+	 * @param string $name
+	 * @return bool
+	 */
+	function getCheck( $name ) {
+		# Checkboxes and buttons are only present when clicked
+		# Presence connotes truth, abscense false
+		$val = $this->getVal( $name, NULL );
+		return isset( $val );
+	}
+
+	/**
+	 * Fetch a text string from the given array or return $default if it's not
+	 * set. \r is stripped from the text, and with some language modules there
+	 * is an input transliteration applied. This should generally be used for
+	 * form <textarea> and <input> fields.
+	 *
+	 * @param string $name
+	 * @param string $default optional
+	 * @return string
+	 */
+	function getText( $name, $default = '' ) {
+		global $wgContLang;
+		$val = $this->getVal( $name, $default );
+		return str_replace( "\r\n", "\n",
+			$wgContLang->recodeInput( $val ) );
+	}
+
+	/**
+	 * Extracts the given named values into an array.
+	 * If no arguments are given, returns all input values.
+	 * No transformation is performed on the values.
+	 */
+	function getValues() {
+		$names = func_get_args();
+		if ( count( $names ) == 0 ) {
+			$names = array_keys( $_REQUEST );
+		}
+
+		$retVal = array();
+		foreach ( $names as $name ) {
+			$value = $this->getVal( $name );
+			if ( !is_null( $value ) ) {
+				$retVal[$name] = $value;
+			}
+		}
+		return $retVal;
+	}
+
+	/**
+	 * Returns true if the present request was reached by a POST operation,
+	 * false otherwise (GET, HEAD, or command-line).
+	 *
+	 * Note that values retrieved by the object may come from the
+	 * GET URL etc even on a POST request.
+	 *
+	 * @return bool
+	 */
+	function wasPosted() {
+		return $_SERVER['REQUEST_METHOD'] == 'POST';
+	}
+
+	/**
+	 * Returns true if there is a session cookie set.
+	 * This does not necessarily mean that the user is logged in!
+	 *
+	 * @return bool
+	 */
+	function checkSessionCookie() {
+		return isset( $_COOKIE[ini_get('session.name')] );
+	}
+
+	/**
+	 * Return the path portion of the request URI.
+	 * @return string
+	 */
+	function getRequestURL() {
+		$base = $_SERVER['REQUEST_URI'];
+		if( $base{0} == '/' ) {
+			return $base;
+		} else {
+			// We may get paths with a host prepended; strip it.
+			return preg_replace( '!^[^:]+://[^/]+/!', '/', $base );
+		}
+	}
+
+	/**
+	 * Return the request URI with the canonical service and hostname.
+	 * @return string
+	 */
+	function getFullRequestURL() {
+		global $wgServer;
+		return $wgServer . $this->getRequestURL();
+	}
+
+	/**
+	 * Take an arbitrary query and rewrite the present URL to include it
+	 * @param $query String: query string fragment; do not include initial '?'
+	 * @return string
+	 */
+	function appendQuery( $query ) {
+		global $wgTitle;
+		$basequery = '';
+		foreach( $_GET as $var => $val ) {
+			if ( $var == 'title' )
+				continue;
+			if ( is_array( $val ) )
+				/* This will happen given a request like
+				 * http://en.wikipedia.org/w/index.php?title[]=Special:Userlogin&returnto[]=Main_Page
+				 */
+				continue;
+			$basequery .= '&' . urlencode( $var ) . '=' . urlencode( $val );
+		}
+		$basequery .= '&' . $query;
+
+		# Trim the extra &
+		$basequery = substr( $basequery, 1 );
+		return $wgTitle->getLocalURL( $basequery );
+	}
+
+	/**
+	 * HTML-safe version of appendQuery().
+	 * @param $query String: query string fragment; do not include initial '?'
+	 * @return string
+	 */
+	function escapeAppendQuery( $query ) {
+		return htmlspecialchars( $this->appendQuery( $query ) );
+	}
+
+	/**
+	 * Check for limit and offset parameters on the input, and return sensible
+	 * defaults if not given. The limit must be positive and is capped at 5000.
+	 * Offset must be positive but is not capped.
+	 *
+	 * @param $deflimit Integer: limit to use if no input and the user hasn't set the option.
+	 * @param $optionname String: to specify an option other than rclimit to pull from.
+	 * @return array first element is limit, second is offset
+	 */
+	function getLimitOffset( $deflimit = 50, $optionname = 'rclimit' ) {
+		global $wgUser;
+
+		$limit = $this->getInt( 'limit', 0 );
+		if( $limit < 0 ) $limit = 0;
+		if( ( $limit == 0 ) && ( $optionname != '' ) ) {
+			$limit = (int)$wgUser->getOption( $optionname );
+		}
+		if( $limit <= 0 ) $limit = $deflimit;
+		if( $limit > 5000 ) $limit = 5000; # We have *some* limits...
+
+		$offset = $this->getInt( 'offset', 0 );
+		if( $offset < 0 ) $offset = 0;
+
+		return array( $limit, $offset );
+	}
+
+	/**
+	 * Return the path to the temporary file where PHP has stored the upload.
+	 * @param $key String:
+	 * @return string or NULL if no such file.
+	 */
+	function getFileTempname( $key ) {
+		if( !isset( $_FILES[$key] ) ) {
+			return NULL;
+		}
+		return $_FILES[$key]['tmp_name'];
+	}
+
+	/**
+	 * Return the size of the upload, or 0.
+	 * @param $key String:
+	 * @return integer
+	 */
+	function getFileSize( $key ) {
+		if( !isset( $_FILES[$key] ) ) {
+			return 0;
+		}
+		return $_FILES[$key]['size'];
+	}
+
+	/**
+	 * Return the upload error or 0
+	 * @param $key String:
+	 * @return integer
+	 */
+	function getUploadError( $key ) {
+		if( !isset( $_FILES[$key] ) || !isset( $_FILES[$key]['error'] ) ) {
+			return 0/*UPLOAD_ERR_OK*/;
+		}
+		return $_FILES[$key]['error'];
+	}
+
+	/**
+	 * Return the original filename of the uploaded file, as reported by
+	 * the submitting user agent. HTML-style character entities are
+	 * interpreted and normalized to Unicode normalization form C, in part
+	 * to deal with weird input from Safari with non-ASCII filenames.
+	 *
+	 * Other than this the name is not verified for being a safe filename.
+	 *
+	 * @param $key String: 
+	 * @return string or NULL if no such file.
+	 */
+	function getFileName( $key ) {
+		if( !isset( $_FILES[$key] ) ) {
+			return NULL;
+		}
+		$name = $_FILES[$key]['name'];
+
+		# Safari sends filenames in HTML-encoded Unicode form D...
+		# Horrid and evil! Let's try to make some kind of sense of it.
+		$name = Sanitizer::decodeCharReferences( $name );
+		$name = UtfNormal::cleanUp( $name );
+		wfDebug( "WebRequest::getFileName() '" . $_FILES[$key]['name'] . "' normalized to '$name'\n" );
+		return $name;
+	}
+}
+
+/**
+ * WebRequest clone which takes values from a provided array.
+ *
+ * @package MediaWiki
+ */
+class FauxRequest extends WebRequest {
+	var $data = null;
+	var $wasPosted = false;
+
+	function FauxRequest( $data, $wasPosted = false ) {
+		if( is_array( $data ) ) {
+			$this->data = $data;
+		} else {
+			throw new MWException( "FauxRequest() got bogus data" );
+		}
+		$this->wasPosted = $wasPosted;
+	}
+
+	function getVal( $name, $default = NULL ) {
+		return $this->getGPCVal( $this->data, $name, $default );
+	}
+
+	function getText( $name, $default = '' ) {
+		# Override; don't recode since we're using internal data
+		return $this->getVal( $name, $default );
+	}
+
+	function getValues() {
+		return $this->data;
+	}
+
+	function wasPosted() {
+		return $this->wasPosted;
+	}
+
+	function checkSessionCookie() {
+		return false;
+	}
+
+	function getRequestURL() {
+		throw new MWException( 'FauxRequest::getRequestURL() not implemented' );
+	}
+
+	function appendQuery( $query ) {
+		throw new MWException( 'FauxRequest::appendQuery() not implemented' );
+	}
+
+}
+
+?>
diff --git a/includes/Wiki.php b/includes/Wiki.php
new file mode 100644
index 00000000..6f010003
--- /dev/null
+++ b/includes/Wiki.php
@@ -0,0 +1,410 @@
+<?php
+/**
+ * MediaWiki is the to-be base class for this whole project
+ */
+
+class MediaWiki {
+
+	var $GET; /* Stores the $_GET variables at time of creation, can be changed */
+	var $params = array();
+	
+	/**
+	 * Constructor
+	 */
+	function MediaWiki () {
+		$this->GET = $_GET;
+	}
+	
+	/**
+	 * Stores key/value pairs to circumvent global variables
+	 * Note that keys are case-insensitive!
+	 */
+	function setVal( $key, &$value ) {
+		$key = strtolower( $key );
+		$this->params[$key] =& $value;
+	}
+	
+	/**
+	 * Retrieves key/value pairs to circumvent global variables
+	 * Note that keys are case-insensitive!
+	 */
+	function getVal( $key, $default = '' ) {
+		$key = strtolower( $key );
+		if( isset( $this->params[$key] ) ) {
+			return $this->params[$key];
+		}
+		return $default;
+	}
+	
+	/**
+	 * Initialization of ... everything
+	 @return Article either the object to become $wgArticle, or NULL
+	 */
+	function initialize ( &$title, &$output, &$user, $request) {
+		wfProfileIn( 'MediaWiki::initialize' );
+		$this->preliminaryChecks ( $title, $output, $request ) ;
+		$article = NULL;
+		if ( !$this->initializeSpecialCases( $title, $output, $request ) ) {
+			$article = $this->initializeArticle( $title, $request );
+			if( is_object( $article ) ) {
+				$this->performAction( $output, $article, $title, $user, $request );
+			} elseif( is_string( $article ) ) {
+				$output->redirect( $article );
+			} else {
+				throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
+			}
+		}
+		wfProfileOut( 'MediaWiki::initialize' );
+		return $article;
+	}
+	
+	/**
+	 * Checks some initial queries
+	 * Note that $title here is *not* a Title object, but a string!
+	 */
+	function checkInitialQueries( $title,$action,&$output,$request, $lang) {
+		if ($request->getVal( 'printable' ) == 'yes') {
+			$output->setPrintable();
+		}
+		
+		$ret = NULL ;
+		
+		
+		if ( '' == $title && 'delete' != $action ) {
+			$ret = Title::newFromText( wfMsgForContent( 'mainpage' ) );
+		} elseif ( $curid = $request->getInt( 'curid' ) ) {
+			# URLs like this are generated by RC, because rc_title isn't always accurate
+			$ret = Title::newFromID( $curid );
+		} else {
+			$ret = Title::newFromURL( $title );
+			/* check variant links so that interwiki links don't have to worry about
+			   the possible different language variants
+			*/
+			if( count($lang->getVariants()) > 1 && !is_null($ret) && $ret->getArticleID() == 0 )
+				$lang->findVariantLink( $title, $ret );
+		
+		}
+		return $ret ;
+	}
+	
+	/**
+	 * Checks for search query and anon-cannot-read case
+	 */
+	function preliminaryChecks ( &$title, &$output, $request ) {
+	
+		# Debug statement for user levels
+		// print_r($wgUser);
+		
+		$search = $request->getText( 'search' );
+		if( !is_null( $search ) && $search !== '' ) {
+			// Compatibility with old search URLs which didn't use Special:Search
+			// Do this above the read whitelist check for security...
+			$title = Title::makeTitle( NS_SPECIAL, 'Search' );
+		}
+		$this->setVal( 'Search', $search );
+
+		# If the user is not logged in, the Namespace:title of the article must be in
+		# the Read array in order for the user to see it. (We have to check here to
+		# catch special pages etc. We check again in Article::view())
+		if ( !is_null( $title ) && !$title->userCanRead() ) {
+			$output->loginToUse();
+			$output->output();
+			exit;
+		}
+		
+	}
+	
+	/**
+	 * Initialize the object to be known as $wgArticle for special cases
+	 */
+	function initializeSpecialCases ( &$title, &$output, $request ) {
+
+		wfProfileIn( 'MediaWiki::initializeSpecialCases' );
+		
+		$search = $this->getVal('Search');
+		$action = $this->getVal('Action');
+		if( !$this->getVal('DisableInternalSearch') && !is_null( $search ) && $search !== '' ) {
+			require_once( 'includes/SpecialSearch.php' );
+			$title = Title::makeTitle( NS_SPECIAL, 'Search' );
+			wfSpecialSearch();
+		} else if( !$title or $title->getDBkey() == '' ) {
+			$title = Title::makeTitle( NS_SPECIAL, 'Badtitle' );
+			# Die now before we mess up $wgArticle and the skin stops working
+			throw new ErrorPageError( 'badtitle', 'badtitletext' );
+		} else if ( $title->getInterwiki() != '' ) {
+			if( $rdfrom = $request->getVal( 'rdfrom' ) ) {
+				$url = $title->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
+			} else {
+				$url = $title->getFullURL();
+			}
+			/* Check for a redirect loop */
+			if ( !preg_match( '/^' . preg_quote( $this->getVal('Server'), '/' ) . '/', $url ) && $title->isLocal() ) {
+				$output->redirect( $url );
+			} else {
+				$title = Title::makeTitle( NS_SPECIAL, 'Badtitle' );
+				throw new ErrorPageError( 'badtitle', 'badtitletext' );
+			}
+		} else if ( ( $action == 'view' ) &&
+			(!isset( $this->GET['title'] ) || $title->getPrefixedDBKey() != $this->GET['title'] ) &&
+			!count( array_diff( array_keys( $this->GET ), array( 'action', 'title' ) ) ) )
+		{
+			/* Redirect to canonical url, make it a 301 to allow caching */
+			$output->setSquidMaxage( 1200 );
+			$output->redirect( $title->getFullURL(), '301');
+		} else if ( NS_SPECIAL == $title->getNamespace() ) {
+			/* actions that need to be made when we have a special pages */
+			SpecialPage::executePath( $title );
+		} else {
+			/* No match to special cases */
+			wfProfileOut( 'MediaWiki::initializeSpecialCases' );
+			return false;
+		}
+		/* Did match a special case */
+		wfProfileOut( 'MediaWiki::initializeSpecialCases' );
+		return true;
+	}
+
+	/**
+	 * Create an Article object of the appropriate class for the given page.
+	 * @param Title $title
+	 * @return Article
+	 */
+	function articleFromTitle( $title ) {
+		if( NS_MEDIA == $title->getNamespace() ) {
+			// FIXME: where should this go?
+			$title = Title::makeTitle( NS_IMAGE, $title->getDBkey() );
+		}
+	
+		switch( $title->getNamespace() ) {
+		case NS_IMAGE:
+			return new ImagePage( $title );
+		case NS_CATEGORY:
+			return new CategoryPage( $title );
+		default:
+			return new Article( $title );
+		}
+	}
+	
+	/**
+	 * Initialize the object to be known as $wgArticle for "standard" actions
+	 * Create an Article object for the page, following redirects if needed.
+	 * @param Title $title
+	 * @param Request $request
+	 * @param string $action
+	 * @return mixed an Article, or a string to redirect to another URL
+	 */
+	function initializeArticle( $title, $request ) {
+		global $wgTitle;
+		wfProfileIn( 'MediaWiki::initializeArticle' );
+		
+		$action = $this->getVal('Action');
+		$article = $this->articleFromTitle( $title );
+		
+		// Namespace might change when using redirects
+		if( $action == 'view' && !$request->getVal( 'oldid' ) &&
+						$request->getVal( 'redirect' ) != 'no' ) {
+							
+			$dbr =& wfGetDB(DB_SLAVE);
+			$article->loadPageData($article->pageDataFromTitle($dbr, $title));
+		
+			/* Follow redirects only for... redirects */
+			if ($article->mIsRedirect) {
+				$target = $article->followRedirect();
+				if( is_string( $target ) ) {
+					global $wgDisableHardRedirects;
+					if( !$wgDisableHardRedirects ) {
+						// we'll need to redirect
+						return $target;
+					}
+				}
+				if( is_object( $target ) ) {
+					/* Rewrite environment to redirected article */
+					$rarticle = $this->articleFromTitle($target);
+					$rarticle->loadPageData($rarticle->pageDataFromTitle($dbr,$target));
+					if ($rarticle->mTitle->mArticleID) {
+						$article = $rarticle;
+						$wgTitle = $target;
+						$article->setRedirectedFrom( $title );
+					} else {
+						$wgTitle = $title;
+					}
+				}
+			} else {
+				$wgTitle = $article->mTitle;
+			}
+		}
+		wfProfileOut( 'MediaWiki::initializeArticle' );
+		return $article;
+	}
+
+	/**
+	 * Cleaning up by doing deferred updates, calling loadbalancer and doing the output
+	 */
+	function finalCleanup ( &$deferredUpdates, &$loadBalancer, &$output ) {
+		wfProfileIn( 'MediaWiki::finalCleanup' );
+		$this->doUpdates( $deferredUpdates );
+		$this->doJobs();
+		$loadBalancer->saveMasterPos();
+		# Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
+		$loadBalancer->commitAll();
+		$output->output();
+		wfProfileOut( 'MediaWiki::finalCleanup' );
+	}
+
+	/**
+	 * Deferred updates aren't really deferred anymore. It's important to report errors to the
+	 * user, and that means doing this before OutputPage::output(). Note that for page saves,
+	 * the client will wait until the script exits anyway before following the redirect.
+	 */
+	function doUpdates ( &$updates ) {
+		wfProfileIn( 'MediaWiki::doUpdates' );
+		foreach( $updates as $up ) {
+			$up->doUpdate();
+		}
+		wfProfileOut( 'MediaWiki::doUpdates' );
+	}
+
+	/**
+	 * Do a job from the job queue
+	 */
+	function doJobs() {
+		global $wgJobRunRate;
+		
+		if ( $wgJobRunRate <= 0 ) {
+			return;
+		}
+		if ( $wgJobRunRate < 1 ) {
+			$max = mt_getrandmax();
+			if ( mt_rand( 0, $max ) > $max * $wgJobRunRate ) {
+				return;
+			}
+			$n = 1;
+		} else {
+			$n = intval( $wgJobRunRate );
+		}
+
+		while ( $n-- && false != ($job = Job::pop())) {
+			$output = $job->toString() . "\n";
+			$t = -wfTime();
+			$success = $job->run();
+			$t += wfTime();
+			$t = round( $t*1000 );
+			if ( !$success ) {
+				$output .= "Error: " . $job->getLastError() . ", Time: $t ms\n";
+			} else {
+				$output .= "Success, Time: $t ms\n";
+			}
+			wfDebugLog( 'jobqueue', $output );
+		}
+	}
+	
+	/**
+	 * Ends this task peacefully
+	 */
+	function restInPeace ( &$loadBalancer ) {
+		wfProfileClose();
+		logProfilingData();
+		$loadBalancer->closeAll();
+		wfDebug( "Request ended normally\n" );
+	}
+
+	/**
+	 * Perform one of the "standard" actions
+	 */
+	function performAction( &$output, &$article, &$title, &$user, &$request ) {
+
+		wfProfileIn( 'MediaWiki::performAction' );
+
+		$action = $this->getVal('Action');
+		if( in_array( $action, $this->getVal('DisabledActions',array()) ) ) {
+			/* No such action; this will switch to the default case */
+			$action = 'nosuchaction';
+		}
+
+		switch( $action ) {
+			case 'view':
+				$output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
+				$article->view();
+				break;
+			case 'watch':
+			case 'unwatch':
+			case 'delete':
+			case 'revert':
+			case 'rollback':
+			case 'protect':
+			case 'unprotect':
+			case 'info':
+			case 'markpatrolled':
+			case 'render':
+			case 'deletetrackback':
+			case 'purge':
+				$article->$action();
+				break;
+			case 'print':
+				$article->view();
+				break;
+			case 'dublincore':
+				if( !$this->getVal( 'EnableDublinCoreRdf' ) ) {
+					wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
+				} else {
+					require_once( 'includes/Metadata.php' );
+					wfDublinCoreRdf( $article );
+				}
+				break;
+			case 'creativecommons':
+				if( !$this->getVal( 'EnableCreativeCommonsRdf' ) ) {
+					wfHttpError( 403, 'Forbidden', wfMsg( 'nocreativecommons' ) );
+				} else {
+					require_once( 'includes/Metadata.php' );
+					wfCreativeCommonsRdf( $article );
+				}
+				break;
+			case 'credits':
+				require_once( 'includes/Credits.php' );
+				showCreditsPage( $article );
+				break;
+			case 'submit':
+				if( !$this->getVal( 'CommandLineMode' ) && !$request->checkSessionCookie() ) {
+					/* Send a cookie so anons get talk message notifications */
+					User::SetupSession();
+				}
+				/* Continue... */
+			case 'edit':
+				$internal = $request->getVal( 'internaledit' );
+				$external = $request->getVal( 'externaledit' );
+				$section = $request->getVal( 'section' );
+				$oldid = $request->getVal( 'oldid' );
+				if( !$this->getVal( 'UseExternalEditor' ) || $action=='submit' || $internal ||
+				   $section || $oldid || ( !$user->getOption( 'externaleditor' ) && !$external ) ) {
+					$editor = new EditPage( $article );
+					$editor->submit();
+				} elseif( $this->getVal( 'UseExternalEditor' ) && ( $external || $user->getOption( 'externaleditor' ) ) ) {
+					$mode = $request->getVal( 'mode' );
+					$extedit = new ExternalEdit( $article, $mode );
+					$extedit->edit();
+				}
+				break;
+			case 'history':
+				if( $_SERVER['REQUEST_URI'] == $title->getInternalURL( 'action=history' ) ) {
+					$output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
+				}
+				$history = new PageHistory( $article );
+				$history->history();
+				break;
+			case 'raw':
+				$raw = new RawPage( $article );
+				$raw->view();
+				break;
+			default:
+				if( wfRunHooks( 'UnknownAction', array( $action, $article ) ) ) {
+					$output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
+				}
+		}
+		wfProfileOut( 'MediaWiki::performAction' );
+
+	
+	}
+
+}; /* End of class MediaWiki */
+
+?>
diff --git a/includes/WikiError.php b/includes/WikiError.php
new file mode 100644
index 00000000..1b2c03bf
--- /dev/null
+++ b/includes/WikiError.php
@@ -0,0 +1,125 @@
+<?php
+/**
+ * MediaWiki error classes
+ * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
+ * http://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @package MediaWiki
+ */
+
+/**
+ * Since PHP4 doesn't have exceptions, here's some error objects
+ * loosely modeled on the standard PEAR_Error model...
+ * @package MediaWiki
+ */
+class WikiError {
+	/**
+	 * @param string $message
+	 */
+	function WikiError( $message ) {
+		$this->mMessage = $message;
+	}
+
+	/**
+	 * @return string Plaintext error message to display
+	 */
+	function getMessage() {
+		return $this->mMessage;
+	}
+
+	/**
+	 * In following PEAR_Error model this could be formatted differently,
+	 * but so far it's not.
+	 * @return string
+	 */
+	function toString() {
+		return $this->getMessage();
+	}
+
+	/**
+	 * Returns true if the given object is a WikiError-descended
+	 * error object, false otherwise.
+	 *
+	 * @param mixed $object
+	 * @return bool
+	 * @static
+	 */
+	function isError( &$object ) {
+		return is_a( $object, 'WikiError' );
+	}
+}
+
+/**
+ * Localized error message object
+ * @package MediaWiki
+ */
+class WikiErrorMsg extends WikiError {
+	/**
+	 * @param string $message Wiki message name
+	 * @param ... parameters to pass to wfMsg()
+	 */
+	function WikiErrorMsg( $message/*, ... */ ) {
+		$args = func_get_args();
+		array_shift( $args );
+		$this->mMessage = wfMsgReal( $message, $args, true );
+	}
+}
+
+/**
+ * @package MediaWiki
+ * @todo document
+ */
+class WikiXmlError extends WikiError {
+	/**
+	 * @param resource $parser
+	 * @param string $message
+	 */
+	function WikiXmlError( $parser, $message = 'XML parsing error', $context = null, $offset = 0 ) {
+		$this->mXmlError = xml_get_error_code( $parser );
+		$this->mColumn = xml_get_current_column_number( $parser );
+		$this->mLine = xml_get_current_line_number( $parser );
+		$this->mByte = xml_get_current_byte_index( $parser );
+		$this->mContext = $this->_extractContext( $context, $offset );
+		$this->mMessage = $message;
+		xml_parser_free( $parser );
+		wfDebug( "WikiXmlError: " . $this->getMessage() . "\n" );
+	}
+
+	/** @return string */
+	function getMessage() {
+		return sprintf( '%s at line %d, col %d (byte %d%s): %s',
+			$this->mMessage,
+			$this->mLine,
+			$this->mColumn,
+			$this->mByte,
+			$this->mContext,
+			xml_error_string( $this->mXmlError ) );
+	}
+
+	function _extractContext( $context, $offset ) {
+		if( is_null( $context ) ) {
+			return null;
+		} else {
+			// Hopefully integer overflow will be handled transparently here
+			$inlineOffset = $this->mByte - $offset;
+			return '; "' . substr( $context, $inlineOffset, 16 ) . '"';
+		}
+	}
+}
+
+?>
diff --git a/includes/Xml.php b/includes/Xml.php
new file mode 100644
index 00000000..52993367
--- /dev/null
+++ b/includes/Xml.php
@@ -0,0 +1,279 @@
+<?php

+

+/**

+ * Module of static functions for generating XML

+ */

+

+class Xml {

+	/**

+	 * Format an XML element with given attributes and, optionally, text content.

+	 * Element and attribute names are assumed to be ready for literal inclusion.

+	 * Strings are assumed to not contain XML-illegal characters; special

+	 * characters (<, >, &) are escaped but illegals are not touched.

+	 *

+	 * @param $element String:

+	 * @param $attribs Array: Name=>value pairs. Values will be escaped.

+	 * @param $contents String: NULL to make an open tag only; '' for a contentless closed tag (default)

+	 * @return string

+	 */

+	function element( $element, $attribs = null, $contents = '') {

+		$out = '<' . $element;

+		if( !is_null( $attribs ) ) {

+			foreach( $attribs as $name => $val ) {

+				$out .= ' ' . $name . '="' . Sanitizer::encodeAttribute( $val ) . '"';

+			}

+		}

+		if( is_null( $contents ) ) {

+			$out .= '>';

+		} else {

+			if( $contents === '' ) {

+				$out .= ' />';

+			} else {

+				$out .= '>' . htmlspecialchars( $contents ) . "</$element>";

+			}

+		}

+		return $out;

+	}

+

+	/**

+	 * Format an XML element as with self::element(), but run text through the

+	 * UtfNormal::cleanUp() validator first to ensure that no invalid UTF-8

+	 * is passed.

+	 *

+	 * @param $element String:

+	 * @param $attribs Array: Name=>value pairs. Values will be escaped.

+	 * @param $contents String: NULL to make an open tag only; '' for a contentless closed tag (default)

+	 * @return string

+	 */

+	function elementClean( $element, $attribs = array(), $contents = '') {

+		if( $attribs ) {

+			$attribs = array_map( array( 'UtfNormal', 'cleanUp' ), $attribs );

+		}

+		if( $contents ) {

+			$contents = UtfNormal::cleanUp( $contents );

+		}

+		return self::element( $element, $attribs, $contents );

+	}

+

+	// Shortcuts

+	function openElement( $element, $attribs = null ) { return self::element( $element, $attribs, null ); }

+	function closeElement( $element ) { return "</$element>"; }

+

+	/**

+	 * Create a namespace selector

+	 *

+	 * @param $selected Mixed: the namespace which should be selected, default ''

+	 * @param $allnamespaces String: value of a special item denoting all namespaces. Null to not include (default)

+	 * @param $includehidden Bool: include hidden namespaces?

+	 * @return String: Html string containing the namespace selector

+	 */

+	function &namespaceSelector($selected = '', $allnamespaces = null, $includehidden=false) {

+		global $wgContLang;

+		if( $selected !== '' ) {

+			if( is_null( $selected ) ) {

+				// No namespace selected; let exact match work without hitting Main

+				$selected = '';

+			} else {

+				// Let input be numeric strings without breaking the empty match.

+				$selected = intval( $selected );

+			}

+		}

+		$s = "<select id='namespace' name='namespace' class='namespaceselector'>\n\t";

+		$arr = $wgContLang->getFormattedNamespaces();

+		if( !is_null($allnamespaces) ) {

+			$arr = array($allnamespaces => wfMsg('namespacesall')) + $arr;

+		}

+		foreach ($arr as $index => $name) {

+			if ($index < NS_MAIN) continue;

+

+			$name = $index !== 0 ? $name : wfMsg('blanknamespace');

+

+			if ($index === $selected) {

+				$s .= self::element("option",

+						array("value" => $index, "selected" => "selected"),

+						$name);

+			} else {

+				$s .= self::element("option", array("value" => $index), $name);

+			}

+		}

+		$s .= "\n</select>\n";

+		return $s;

+	}

+

+	function span( $text, $class, $attribs=array() ) {

+		return self::element( 'span', array( 'class' => $class ) + $attribs, $text );

+	}

+

+	/**

+	 * Convenience function to build an HTML text input field

+	 * @return string HTML

+	 */

+	function input( $name, $size=false, $value=false, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'size' => $size,

+			'value' => $value ) + $attribs );

+	}

+

+	/**

+	 * Internal function for use in checkboxes and radio buttons and such.

+	 * @return array

+	 */

+	function attrib( $name, $present = true ) {

+		return $present ? array( $name => $name ) : array();

+	}

+

+	/**

+	 * Convenience function to build an HTML checkbox

+	 * @return string HTML

+	 */

+	function check( $name, $checked=false, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'type' => 'checkbox',

+			'value' => 1 ) + self::attrib( 'checked', $checked ) +  $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML radio button

+	 * @return string HTML

+	 */

+	function radio( $name, $value, $checked=false, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'type' => 'radio',

+			'value' => $value ) + self::attrib( 'checked', $checked ) + $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML form label

+	 * @return string HTML

+	 */

+	function label( $label, $id ) {

+		return self::element( 'label', array( 'for' => $id ), $label );

+	}

+

+	/**

+	 * Convenience function to build an HTML text input field with a label

+	 * @return string HTML

+	 */

+	function inputLabel( $label, $name, $id, $size=false, $value=false, $attribs=array() ) {

+		return Xml::label( $label, $id ) .

+			'&nbsp;' .

+			self::input( $name, $size, $value, array( 'id' => $id ) + $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML checkbox with a label

+	 * @return string HTML

+	 */

+	function checkLabel( $label, $name, $id, $checked=false, $attribs=array() ) {

+		return self::check( $name, $checked, array( 'id' => $id ) + $attribs ) .

+			'&nbsp;' .

+			self::label( $label, $id );

+	}

+

+	/**

+	 * Convenience function to build an HTML radio button with a label

+	 * @return string HTML

+	 */

+	function radioLabel( $label, $name, $value, $id, $checked=false, $attribs=array() ) {

+		return self::radio( $name, $value, $checked, array( 'id' => $id ) + $attribs ) .

+			'&nbsp;' .

+			self::label( $label, $id );

+	}

+

+	/**

+	 * Convenience function to build an HTML submit button

+	 * @param $value String: label text for the button

+	 * @param $attribs Array: optional custom attributes

+	 * @return string HTML

+	 */

+	function submitButton( $value, $attribs=array() ) {

+		return self::element( 'input', array( 'type' => 'submit', 'value' => $value ) + $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML hidden form field.

+	 * @todo Document $name parameter.

+	 * @param $name FIXME

+	 * @param $value String: label text for the button

+	 * @param $attribs Array: optional custom attributes

+	 * @return string HTML

+	 */

+	function hidden( $name, $value, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'type' => 'hidden',

+			'value' => $value ) + $attribs );

+	}

+

+	/**

+	 * Returns an escaped string suitable for inclusion in a string literal

+	 * for JavaScript source code.

+	 * Illegal control characters are assumed not to be present.

+	 *

+	 * @param string $string

+	 * @return string

+	 */

+	function escapeJsString( $string ) {

+		// See ECMA 262 section 7.8.4 for string literal format

+		$pairs = array(

+			"\\" => "\\\\",

+			"\"" => "\\\"",

+			'\'' => '\\\'',

+			"\n" => "\\n",

+			"\r" => "\\r",

+

+			# To avoid closing the element or CDATA section

+			"<" => "\\x3c",

+			">" => "\\x3e",

+		);

+		return strtr( $string, $pairs );

+	}

+

+	/**

+	 * Check if a string is well-formed XML.

+	 * Must include the surrounding tag.

+	 *

+	 * @param $text String: string to test.

+	 * @return bool

+	 *

+	 * @todo Error position reporting return

+	 */

+	function isWellFormed( $text ) {

+		$parser = xml_parser_create( "UTF-8" );

+

+		# case folding violates XML standard, turn it off

+		xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );

+

+		if( !xml_parse( $parser, $text, true ) ) {

+			$err = xml_error_string( xml_get_error_code( $parser ) );

+			$position = xml_get_current_byte_index( $parser );

+			//$fragment = $this->extractFragment( $html, $position );

+			//$this->mXmlError = "$err at byte $position:\n$fragment";

+			xml_parser_free( $parser );

+			return false;

+		}

+		xml_parser_free( $parser );

+		return true;

+	}

+

+	/**

+	 * Check if a string is a well-formed XML fragment.

+	 * Wraps fragment in an \<html\> bit and doctype, so it can be a fragment

+	 * and can use HTML named entities.

+	 *

+	 * @param $text String:

+	 * @return bool

+	 */

+	function isWellFormedXmlFragment( $text ) {

+		$html =

+			Sanitizer::hackDocType() .

+			'<html>' .

+			$text .

+			'</html>';

+		return Xml::isWellFormed( $html );

+	}

+}

+?>

diff --git a/includes/XmlFunctions.php b/includes/XmlFunctions.php
new file mode 100644
index 00000000..64e349f2
--- /dev/null
+++ b/includes/XmlFunctions.php
@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * Aliases for functions in the Xml module
+ */
+function wfElement( $element, $attribs = null, $contents = '') { 
+	return Xml::element( $element, $attribs, $contents ); 
+}
+function wfElementClean( $element, $attribs = array(), $contents = '') {
+	return Xml::elementClean( $element, $attribs, $contents );
+}
+function wfOpenElement( $element, $attribs = null ) { 
+	return Xml::openElement( $element, $attribs ); 
+}
+function wfCloseElement( $element ) { 
+	return "</$element>"; 
+}
+function &HTMLnamespaceselector($selected = '', $allnamespaces = null, $includehidden=false) {
+	return Xml::namespaceSelector( $selected, $allnamespaces, $includehidden );
+}
+function wfSpan( $text, $class, $attribs=array() ) {
+	return Xml::span( $text, $class, $attribs );
+}
+function wfInput( $name, $size=false, $value=false, $attribs=array() ) {
+	return Xml::input( $name, $size, $value, $attribs );
+}
+function wfAttrib( $name, $present = true ) {
+	return Xml::attrib( $name, $present );
+}
+function wfCheck( $name, $checked=false, $attribs=array() ) {
+	return Xml::check( $name, $checked, $attribs );
+}
+function wfRadio( $name, $value, $checked=false, $attribs=array() ) {
+	return Xml::radio( $name, $value, $checked, $attribs );
+}
+function wfLabel( $label, $id ) {
+	return Xml::label( $label, $id );
+}
+function wfInputLabel( $label, $name, $id, $size=false, $value=false, $attribs=array() ) {
+	return Xml::inputLabel( $label, $name, $id, $size, $value, $attribs );
+}
+function wfCheckLabel( $label, $name, $id, $checked=false, $attribs=array() ) {
+	return Xml::checkLabel( $label, $name, $id, $checked, $attribs );
+}
+function wfRadioLabel( $label, $name, $value, $id, $checked=false, $attribs=array() ) {
+	return Xml::radioLabel( $label, $name, $value, $id, $checked, $attribs );
+}
+function wfSubmitButton( $value, $attribs=array() ) {
+	return Xml::submitButton( $value, $attribs );
+}
+function wfHidden( $name, $value, $attribs=array() ) {
+	return Xml::hidden( $name, $value, $attribs );
+}
+function wfEscapeJsString( $string ) {
+	return Xml::escapeJsString( $string );
+}
+function wfIsWellFormedXml( $text ) {
+	return Xml::isWellFormed( $text );
+}
+function wfIsWellFormedXmlFragment( $text ) {
+	return Xml::isWellFormedXmlFragment( $text );
+}
+
+
+?>
diff --git a/includes/ZhClient.php b/includes/ZhClient.php
new file mode 100644
index 00000000..0451ce81
--- /dev/null
+++ b/includes/ZhClient.php
@@ -0,0 +1,149 @@
+<?php
+/**
+ * @package MediaWiki
+ */
+
+/**
+ * Client for querying zhdaemon
+ *
+ * @package MediaWiki
+ */
+class ZhClient {
+	var $mHost, $mPort, $mFP, $mConnected;
+
+	/**
+	 * Constructor
+	 *
+	 * @access private
+	 */
+	function ZhClient($host, $port) {
+		$this->mHost = $host;
+		$this->mPort = $port;
+		$this->mConnected = $this->connect();
+	}
+
+	/**
+	 * Check if connection to zhdaemon is successful
+	 *
+	 * @access public
+	 */
+	function isconnected() {
+		return $this->mConnected;
+	}
+
+	/**
+	 * Establish conncetion
+	 *
+	 * @access private
+	 */
+	function connect() {
+		wfSuppressWarnings();
+		$this->mFP = fsockopen($this->mHost, $this->mPort, $errno, $errstr, 30);
+		wfRestoreWarnings();
+		if(!$this->mFP) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * Query the daemon and return the result
+	 *
+	 * @access private
+	 */
+	function query($request) {
+		if(!$this->mConnected)
+			return false;
+
+		fwrite($this->mFP, $request);
+
+		$result=fgets($this->mFP, 1024);
+
+		list($status, $len) = explode(" ", $result);
+		if($status == 'ERROR') {
+			//$len is actually the error code...
+			print "zhdaemon error $len<br />\n";
+			return false;
+		}
+		$bytesread=0;
+		$data='';
+		while(!feof($this->mFP) && $bytesread<$len) {
+			$str= fread($this->mFP, $len-$bytesread);
+			$bytesread += strlen($str);
+			$data .= $str;
+		}
+		//data should be of length $len. otherwise something is wrong
+		if(strlen($data) != $len)
+			return false;
+		return $data;
+	}
+
+	/**
+	 * Convert the input to a different language variant
+	 *
+	 * @param string $text input text
+	 * @param string $tolang language variant
+	 * @return string the converted text
+	 * @access public
+	 */
+	function convert($text, $tolang) {
+		$len = strlen($text);
+		$q = "CONV $tolang $len\n$text";
+		$result = $this->query($q);
+		if(!$result)
+			$result = $text;
+		return $result;
+	}
+
+	/**
+	 * Convert the input to all possible variants
+	 *
+	 * @param string $text input text
+	 * @return array langcode => converted_string
+	 * @access public
+	 */
+	function convertToAllVariants($text) {
+		$len = strlen($text);
+		$q = "CONV ALL $len\n$text";
+		$result = $this->query($q);
+		if(!$result)
+			return false;
+		list($infoline, $data) = explode('|', $result, 2);
+		$info = explode(";", $infoline);
+		$ret = array();
+		$i=0;
+		foreach($info as $variant) {
+			list($code, $len) = explode(' ', $variant);
+			$ret[strtolower($code)] = substr($data, $i, $len);
+			$r = $ret[strtolower($code)];
+			$i+=$len;
+		}
+		return $ret;
+	}
+	/**
+	 * Perform word segmentation
+	 *
+	 * @param string $text input text
+	 * @return string segmented text
+	 * @access public
+	 */
+	function segment($text) {
+		$len = strlen($text);
+		$q = "SEG $len\n$text";
+		$result = $this->query($q);
+		if(!$result) {// fallback to character based segmentation
+			$result = ZhClientFake::segment($text);
+		}
+		return $result;
+	}
+
+	/**
+	 * Close the connection
+	 *
+	 * @access public
+	 */
+	function close() {
+		fclose($this->mFP);
+	}
+}
+?>
\ No newline at end of file
diff --git a/includes/ZhConversion.php b/includes/ZhConversion.php
new file mode 100644
index 00000000..e63281eb
--- /dev/null
+++ b/includes/ZhConversion.php
@@ -0,0 +1,8457 @@
+<?php
+/**
+ * Simplified/Traditional Chinese conversion tables
+ *
+ * Automatically generated using code and data in includes/zhtable/
+ * Do not modify directly!
+ *
+ * @package MediaWiki
+*/
+
+$zh2TW=array(
+"画"=>"畫",
+"板"=>"板",
+"表"=>"表",
+"才"=>"才",
+"丑"=>"醜",
+"出"=>"出",
+"淀"=>"澱",
+"冬"=>"冬",
+"范"=>"範",
+"丰"=>"豐",
+"刮"=>"刮",
+"后"=>"後",
+"胡"=>"胡",
+"回"=>"回",
+"伙"=>"夥",
+"姜"=>"薑",
+"借"=>"借",
+"克"=>"克",
+"困"=>"困",
+"漓"=>"漓",
+"里"=>"里",
+"帘"=>"簾",
+"霉"=>"霉",
+"面"=>"面",
+"蔑"=>"蔑",
+"千"=>"千",
+"秋"=>"秋",
+"松"=>"松",
+"咸"=>"咸",
+"向"=>"向",
+"余"=>"餘",
+"郁"=>"鬱",
+"御"=>"御",
+"愿"=>"願",
+"云"=>"雲",
+"芸"=>"芸",
+"沄"=>"沄",
+"致"=>"致",
+"制"=>"制",
+"朱"=>"朱",
+"筑"=>"築",
+"准"=>"準",
+"厂"=>"廠",
+"广"=>"廣",
+"辟"=>"闢",
+"别"=>"別",
+"卜"=>"卜",
+"沈"=>"沈",
+"冲"=>"沖",
+"种"=>"種",
+"虫"=>"蟲",
+"担"=>"擔",
+"党"=>"黨",
+"斗"=>"鬥",
+"儿"=>"兒",
+"干"=>"乾",
+"谷"=>"谷",
+"柜"=>"櫃",
+"合"=>"合",
+"划"=>"劃",
+"坏"=>"壞",
+"几"=>"幾",
+"系"=>"系",
+"家"=>"家",
+"价"=>"價",
+"据"=>"據",
+"卷"=>"捲",
+"适"=>"適",
+"蜡"=>"蠟",
+"腊"=>"臘",
+"了"=>"了",
+"累"=>"累",
+"么"=>"麽",
+"蒙"=>"蒙",
+"万"=>"萬",
+"宁"=>"寧",
+"朴"=>"樸",
+"苹"=>"蘋",
+"仆"=>"僕",
+"曲"=>"曲",
+"确"=>"確",
+"舍"=>"舍",
+"胜"=>"勝",
+"术"=>"術",
+"台"=>"台",
+"体"=>"體",
+"涂"=>"塗",
+"叶"=>"葉",
+"吁"=>"吁",
+"旋"=>"旋",
+"佣"=>"傭",
+"与"=>"與",
+"折"=>"折",
+"征"=>"徵",
+"症"=>"症",
+"恶"=>"惡",
+"发"=>"發",
+"复"=>"復",
+"汇"=>"匯",
+"获"=>"獲",
+"饥"=>"飢",
+"尽"=>"盡",
+"历"=>"歷",
+"卤"=>"滷",
+"弥"=>"彌",
+"签"=>"簽",
+"纤"=>"纖",
+"苏"=>"蘇",
+"坛"=>"壇",
+"团"=>"團",
+"须"=>"須",
+"脏"=>"臟",
+"只"=>"只",
+"钟"=>"鐘",
+"药"=>"藥",
+"同"=>"同",
+"志"=>"志",
+"杯"=>"杯",
+"岳"=>"岳",
+"布"=>"布",
+"当"=>"當",
+"吊"=>"弔",
+"仇"=>"仇",
+"蕴"=>"蘊",
+"线"=>"線",
+"为"=>"為",
+"产"=>"產",
+"众"=>"眾",
+"伪"=>"偽",
+"凫"=>"鳧",
+"厕"=>"廁",
+"启"=>"啟",
+"墙"=>"牆",
+"壳"=>"殼",
+"奖"=>"獎",
+"妫"=>"媯",
+"并"=>"並",
+"录"=>"錄",
+"悫"=>"愨",
+"极"=>"極",
+"沩"=>"溈",
+"瘘"=>"瘺",
+"硷"=>"鹼",
+"竖"=>"豎",
+"绝"=>"絕",
+"绣"=>"繡",
+"绦"=>"絛",
+"绱"=>"緔",
+"绷"=>"綳",
+"绿"=>"綠",
+"缰"=>"韁",
+"苧"=>"苎",
+"莼"=>"蒓",
+"说"=>"說",
+"谣"=>"謠",
+"谫"=>"譾",
+"赃"=>"贓",
+"赍"=>"齎",
+"赝"=>"贗",
+"酝"=>"醞",
+"采"=>"採",
+"钩"=>"鉤",
+"钵"=>"缽",
+"锈"=>"銹",
+"锐"=>"銳",
+"锨"=>"杴",
+"镌"=>"鐫",
+"镢"=>"钁",
+"阅"=>"閱",
+"颓"=>"頹",
+"颜"=>"顏",
+"骂"=>"罵",
+"鲇"=>"鯰",
+"鲞"=>"鯗",
+"鳄"=>"鱷",
+"鸡"=>"雞",
+"鹚"=>"鶿",
+"䌶"=>"䊷",
+"䜥"=>"𧩙",
+"专"=>"專",
+"业"=>"業",
+"丛"=>"叢",
+"东"=>"東",
+"丝"=>"絲",
+"丢"=>"丟",
+"两"=>"兩",
+"严"=>"嚴",
+"丧"=>"喪",
+"个"=>"個",
+"临"=>"臨",
+"丽"=>"麗",
+"举"=>"舉",
+"义"=>"義",
+"乌"=>"烏",
+"乐"=>"樂",
+"乔"=>"喬",
+"习"=>"習",
+"乡"=>"鄉",
+"书"=>"書",
+"买"=>"買",
+"乱"=>"亂",
+"争"=>"爭",
+"于"=>"於",
+"亏"=>"虧",
+"亚"=>"亞",
+"亩"=>"畝",
+"亲"=>"親",
+"亵"=>"褻",
+"亸"=>"嚲",
+"亿"=>"億",
+"仅"=>"僅",
+"从"=>"從",
+"仑"=>"侖",
+"仓"=>"倉",
+"仪"=>"儀",
+"们"=>"們",
+"优"=>"優",
+"会"=>"會",
+"伛"=>"傴",
+"伞"=>"傘",
+"伟"=>"偉",
+"传"=>"傳",
+"伣"=>"俔",
+"伤"=>"傷",
+"伥"=>"倀",
+"伦"=>"倫",
+"伧"=>"傖",
+"伫"=>"佇",
+"佥"=>"僉",
+"侠"=>"俠",
+"侣"=>"侶",
+"侥"=>"僥",
+"侦"=>"偵",
+"侧"=>"側",
+"侨"=>"僑",
+"侩"=>"儈",
+"侪"=>"儕",
+"侬"=>"儂",
+"俣"=>"俁",
+"俦"=>"儔",
+"俨"=>"儼",
+"俩"=>"倆",
+"俪"=>"儷",
+"俫"=>"倈",
+"俭"=>"儉",
+"债"=>"債",
+"倾"=>"傾",
+"偬"=>"傯",
+"偻"=>"僂",
+"偾"=>"僨",
+"偿"=>"償",
+"傥"=>"儻",
+"傧"=>"儐",
+"储"=>"儲",
+"傩"=>"儺",
+"兑"=>"兌",
+"兖"=>"兗",
+"兰"=>"蘭",
+"关"=>"關",
+"兴"=>"興",
+"兹"=>"茲",
+"养"=>"養",
+"兽"=>"獸",
+"冁"=>"囅",
+"内"=>"內",
+"冈"=>"岡",
+"册"=>"冊",
+"写"=>"寫",
+"军"=>"軍",
+"农"=>"農",
+"冯"=>"馮",
+"决"=>"決",
+"况"=>"況",
+"冻"=>"凍",
+"净"=>"凈",
+"凉"=>"涼",
+"减"=>"減",
+"凑"=>"湊",
+"凛"=>"凜",
+"凤"=>"鳳",
+"凭"=>"憑",
+"凯"=>"凱",
+"击"=>"擊",
+"凿"=>"鑿",
+"刍"=>"芻",
+"刘"=>"劉",
+"则"=>"則",
+"刚"=>"剛",
+"创"=>"創",
+"删"=>"刪",
+"刬"=>"剗",
+"刭"=>"剄",
+"刹"=>"剎",
+"刽"=>"劊",
+"刿"=>"劌",
+"剀"=>"剴",
+"剂"=>"劑",
+"剐"=>"剮",
+"剑"=>"劍",
+"剥"=>"剝",
+"剧"=>"劇",
+"劝"=>"勸",
+"办"=>"辦",
+"务"=>"務",
+"劢"=>"勱",
+"动"=>"動",
+"励"=>"勵",
+"劲"=>"勁",
+"劳"=>"勞",
+"势"=>"勢",
+"勋"=>"勛",
+"勚"=>"勩",
+"匀"=>"勻",
+"匦"=>"匭",
+"匮"=>"匱",
+"区"=>"區",
+"医"=>"醫",
+"华"=>"華",
+"协"=>"協",
+"单"=>"單",
+"卖"=>"賣",
+"卢"=>"盧",
+"卫"=>"衛",
+"却"=>"卻",
+"厅"=>"廳",
+"厉"=>"厲",
+"压"=>"壓",
+"厌"=>"厭",
+"厍"=>"厙",
+"厐"=>"龎",
+"厘"=>"釐",
+"厢"=>"廂",
+"厣"=>"厴",
+"厦"=>"廈",
+"厨"=>"廚",
+"厩"=>"廄",
+"厮"=>"廝",
+"县"=>"縣",
+"叁"=>"叄",
+"参"=>"參",
+"双"=>"雙",
+"变"=>"變",
+"叙"=>"敘",
+"叠"=>"疊",
+"号"=>"號",
+"叹"=>"嘆",
+"叽"=>"嘰",
+"吓"=>"嚇",
+"吕"=>"呂",
+"吗"=>"嗎",
+"吣"=>"唚",
+"吨"=>"噸",
+"听"=>"聽",
+"吴"=>"吳",
+"呐"=>"吶",
+"呒"=>"嘸",
+"呓"=>"囈",
+"呕"=>"嘔",
+"呖"=>"嚦",
+"呗"=>"唄",
+"员"=>"員",
+"呙"=>"咼",
+"呛"=>"嗆",
+"呜"=>"嗚",
+"咏"=>"詠",
+"咙"=>"嚨",
+"咛"=>"嚀",
+"咝"=>"噝",
+"咤"=>"吒",
+"响"=>"響",
+"哑"=>"啞",
+"哒"=>"噠",
+"哓"=>"嘵",
+"哔"=>"嗶",
+"哕"=>"噦",
+"哗"=>"嘩",
+"哙"=>"噲",
+"哜"=>"嚌",
+"哝"=>"噥",
+"哟"=>"喲",
+"唛"=>"嘜",
+"唝"=>"嗊",
+"唠"=>"嘮",
+"唡"=>"啢",
+"唢"=>"嗩",
+"唤"=>"喚",
+"啧"=>"嘖",
+"啬"=>"嗇",
+"啭"=>"囀",
+"啮"=>"嚙",
+"啴"=>"嘽",
+"啸"=>"嘯",
+"㖞"=>"喎",
+"喷"=>"噴",
+"喽"=>"嘍",
+"喾"=>"嚳",
+"嗫"=>"囁",
+"嗳"=>"噯",
+"嘘"=>"噓",
+"嘤"=>"嚶",
+"嘱"=>"囑",
+"噜"=>"嚕",
+"嚣"=>"囂",
+"园"=>"園",
+"囱"=>"囪",
+"围"=>"圍",
+"囵"=>"圇",
+"国"=>"國",
+"图"=>"圖",
+"圆"=>"圓",
+"圣"=>"聖",
+"圹"=>"壙",
+"场"=>"場",
+"坂"=>"阪",
+"块"=>"塊",
+"坚"=>"堅",
+"坜"=>"壢",
+"坝"=>"壩",
+"坞"=>"塢",
+"坟"=>"墳",
+"坠"=>"墜",
+"垄"=>"壟",
+"垅"=>"壠",
+"垆"=>"壚",
+"垒"=>"壘",
+"垦"=>"墾",
+"垩"=>"堊",
+"垫"=>"墊",
+"垭"=>"埡",
+"垱"=>"壋",
+"垲"=>"塏",
+"垴"=>"堖",
+"埘"=>"塒",
+"埙"=>"塤",
+"埚"=>"堝",
+"埯"=>"垵",
+"堑"=>"塹",
+"堕"=>"墮",
+"𡒄"=>"壈",
+"壮"=>"壯",
+"声"=>"聲",
+"壶"=>"壺",
+"壸"=>"壼",
+"处"=>"處",
+"备"=>"備",
+"够"=>"夠",
+"头"=>"頭",
+"夸"=>"誇",
+"夹"=>"夾",
+"夺"=>"奪",
+"奁"=>"奩",
+"奂"=>"奐",
+"奋"=>"奮",
+"奥"=>"奧",
+"奸"=>"姦",
+"妆"=>"妝",
+"妇"=>"婦",
+"妈"=>"媽",
+"妩"=>"嫵",
+"妪"=>"嫗",
+"姗"=>"姍",
+"姹"=>"奼",
+"娄"=>"婁",
+"娅"=>"婭",
+"娆"=>"嬈",
+"娇"=>"嬌",
+"娈"=>"孌",
+"娱"=>"娛",
+"娲"=>"媧",
+"娴"=>"嫻",
+"婳"=>"嫿",
+"婴"=>"嬰",
+"婵"=>"嬋",
+"婶"=>"嬸",
+"媪"=>"媼",
+"嫒"=>"嬡",
+"嫔"=>"嬪",
+"嫱"=>"嬙",
+"嬷"=>"嬤",
+"孙"=>"孫",
+"学"=>"學",
+"孪"=>"孿",
+"宝"=>"寶",
+"实"=>"實",
+"宠"=>"寵",
+"审"=>"審",
+"宪"=>"憲",
+"宫"=>"宮",
+"宽"=>"寬",
+"宾"=>"賓",
+"寝"=>"寢",
+"对"=>"對",
+"寻"=>"尋",
+"导"=>"導",
+"寿"=>"壽",
+"将"=>"將",
+"尔"=>"爾",
+"尘"=>"塵",
+"尝"=>"嘗",
+"尧"=>"堯",
+"尴"=>"尷",
+"尸"=>"屍",
+"层"=>"層",
+"屃"=>"屓",
+"屉"=>"屜",
+"届"=>"屆",
+"属"=>"屬",
+"屡"=>"屢",
+"屦"=>"屨",
+"屿"=>"嶼",
+"岁"=>"歲",
+"岂"=>"豈",
+"岖"=>"嶇",
+"岗"=>"崗",
+"岘"=>"峴",
+"岙"=>"嶴",
+"岚"=>"嵐",
+"岛"=>"島",
+"岭"=>"嶺",
+"岽"=>"崬",
+"岿"=>"巋",
+"峄"=>"嶧",
+"峡"=>"峽",
+"峣"=>"嶢",
+"峤"=>"嶠",
+"峥"=>"崢",
+"峦"=>"巒",
+"崂"=>"嶗",
+"崃"=>"崍",
+"崄"=>"嶮",
+"崭"=>"嶄",
+"嵘"=>"嶸",
+"嵚"=>"嶔",
+"嵝"=>"嶁",
+"巅"=>"巔",
+"巩"=>"鞏",
+"巯"=>"巰",
+"币"=>"幣",
+"帅"=>"帥",
+"师"=>"師",
+"帏"=>"幃",
+"帐"=>"帳",
+"帜"=>"幟",
+"带"=>"帶",
+"帧"=>"幀",
+"帮"=>"幫",
+"帱"=>"幬",
+"帻"=>"幘",
+"帼"=>"幗",
+"幂"=>"冪",
+"幺"=>"么",
+"庄"=>"莊",
+"庆"=>"慶",
+"庐"=>"廬",
+"庑"=>"廡",
+"库"=>"庫",
+"应"=>"應",
+"庙"=>"廟",
+"庞"=>"龐",
+"废"=>"廢",
+"廪"=>"廩",
+"开"=>"開",
+"异"=>"異",
+"弃"=>"棄",
+"弑"=>"弒",
+"张"=>"張",
+"弪"=>"弳",
+"弯"=>"彎",
+"弹"=>"彈",
+"强"=>"強",
+"归"=>"歸",
+"彝"=>"彞",
+"彦"=>"彥",
+"彻"=>"徹",
+"径"=>"徑",
+"徕"=>"徠",
+"忆"=>"憶",
+"忏"=>"懺",
+"忧"=>"憂",
+"忾"=>"愾",
+"怀"=>"懷",
+"态"=>"態",
+"怂"=>"慫",
+"怃"=>"憮",
+"怄"=>"慪",
+"怅"=>"悵",
+"怆"=>"愴",
+"怜"=>"憐",
+"总"=>"總",
+"怼"=>"懟",
+"怿"=>"懌",
+"恋"=>"戀",
+"恒"=>"恆",
+"恳"=>"懇",
+"恸"=>"慟",
+"恹"=>"懨",
+"恺"=>"愷",
+"恻"=>"惻",
+"恼"=>"惱",
+"恽"=>"惲",
+"悦"=>"悅",
+"悬"=>"懸",
+"悭"=>"慳",
+"悮"=>"悞",
+"悯"=>"憫",
+"惊"=>"驚",
+"惧"=>"懼",
+"惨"=>"慘",
+"惩"=>"懲",
+"惫"=>"憊",
+"惬"=>"愜",
+"惭"=>"慚",
+"惮"=>"憚",
+"惯"=>"慣",
+"愠"=>"慍",
+"愤"=>"憤",
+"愦"=>"憒",
+"慑"=>"懾",
+"懑"=>"懣",
+"懒"=>"懶",
+"懔"=>"懍",
+"戆"=>"戇",
+"戋"=>"戔",
+"戏"=>"戲",
+"戗"=>"戧",
+"战"=>"戰",
+"戬"=>"戩",
+"戯"=>"戱",
+"户"=>"戶",
+"扑"=>"撲",
+"执"=>"執",
+"扩"=>"擴",
+"扪"=>"捫",
+"扫"=>"掃",
+"扬"=>"揚",
+"扰"=>"擾",
+"抚"=>"撫",
+"抛"=>"拋",
+"抟"=>"摶",
+"抠"=>"摳",
+"抡"=>"掄",
+"抢"=>"搶",
+"护"=>"護",
+"报"=>"報",
+"拟"=>"擬",
+"拢"=>"攏",
+"拣"=>"揀",
+"拥"=>"擁",
+"拦"=>"攔",
+"拧"=>"擰",
+"拨"=>"撥",
+"择"=>"擇",
+"挂"=>"掛",
+"挚"=>"摯",
+"挛"=>"攣",
+"挜"=>"掗",
+"挝"=>"撾",
+"挞"=>"撻",
+"挟"=>"挾",
+"挠"=>"撓",
+"挡"=>"擋",
+"挢"=>"撟",
+"挣"=>"掙",
+"挤"=>"擠",
+"挥"=>"揮",
+"挦"=>"撏",
+"挽"=>"輓",
+"捝"=>"挩",
+"捞"=>"撈",
+"损"=>"損",
+"捡"=>"撿",
+"换"=>"換",
+"捣"=>"搗",
+"掳"=>"擄",
+"掴"=>"摑",
+"掷"=>"擲",
+"掸"=>"撣",
+"掺"=>"摻",
+"掼"=>"摜",
+"揽"=>"攬",
+"揾"=>"搵",
+"揿"=>"撳",
+"搀"=>"攙",
+"搁"=>"擱",
+"搂"=>"摟",
+"搅"=>"攪",
+"携"=>"攜",
+"摄"=>"攝",
+"摅"=>"攄",
+"摆"=>"擺",
+"摇"=>"搖",
+"摈"=>"擯",
+"摊"=>"攤",
+"撄"=>"攖",
+"撑"=>"撐",
+"㧑"=>"撝",
+"撵"=>"攆",
+"撷"=>"擷",
+"撸"=>"擼",
+"撺"=>"攛",
+"㧟"=>"擓",
+"擞"=>"擻",
+"攒"=>"攢",
+"敌"=>"敵",
+"敛"=>"斂",
+"数"=>"數",
+"斋"=>"齋",
+"斓"=>"斕",
+"斩"=>"斬",
+"断"=>"斷",
+"无"=>"無",
+"旧"=>"舊",
+"时"=>"時",
+"旷"=>"曠",
+"旸"=>"暘",
+"昙"=>"曇",
+"昼"=>"晝",
+"昽"=>"曨",
+"显"=>"顯",
+"晋"=>"晉",
+"晒"=>"曬",
+"晓"=>"曉",
+"晔"=>"曄",
+"晕"=>"暈",
+"晖"=>"暉",
+"暂"=>"暫",
+"暧"=>"曖",
+"机"=>"機",
+"杀"=>"殺",
+"杂"=>"雜",
+"权"=>"權",
+"杆"=>"桿",
+"条"=>"條",
+"来"=>"來",
+"杨"=>"楊",
+"杩"=>"榪",
+"杰"=>"傑",
+"构"=>"構",
+"枞"=>"樅",
+"枢"=>"樞",
+"枣"=>"棗",
+"枥"=>"櫪",
+"枧"=>"梘",
+"枨"=>"棖",
+"枪"=>"槍",
+"枫"=>"楓",
+"枭"=>"梟",
+"柠"=>"檸",
+"柽"=>"檉",
+"栀"=>"梔",
+"栅"=>"柵",
+"标"=>"標",
+"栈"=>"棧",
+"栉"=>"櫛",
+"栊"=>"櫳",
+"栋"=>"棟",
+"栌"=>"櫨",
+"栎"=>"櫟",
+"栏"=>"欄",
+"树"=>"樹",
+"栖"=>"棲",
+"栗"=>"慄",
+"样"=>"樣",
+"栾"=>"欒",
+"桠"=>"椏",
+"桡"=>"橈",
+"桢"=>"楨",
+"档"=>"檔",
+"桤"=>"榿",
+"桥"=>"橋",
+"桦"=>"樺",
+"桧"=>"檜",
+"桨"=>"槳",
+"桩"=>"樁",
+"梦"=>"夢",
+"梼"=>"檮",
+"梾"=>"棶",
+"梿"=>"槤",
+"检"=>"檢",
+"棁"=>"梲",
+"棂"=>"欞",
+"椁"=>"槨",
+"椟"=>"櫝",
+"椠"=>"槧",
+"椤"=>"欏",
+"椭"=>"橢",
+"楼"=>"樓",
+"榄"=>"欖",
+"榅"=>"榲",
+"榇"=>"櫬",
+"榈"=>"櫚",
+"榉"=>"櫸",
+"槚"=>"檟",
+"槛"=>"檻",
+"槟"=>"檳",
+"槠"=>"櫧",
+"横"=>"橫",
+"樯"=>"檣",
+"樱"=>"櫻",
+"橥"=>"櫫",
+"橱"=>"櫥",
+"橹"=>"櫓",
+"橼"=>"櫞",
+"檩"=>"檁",
+"欢"=>"歡",
+"欤"=>"歟",
+"欧"=>"歐",
+"歼"=>"殲",
+"殁"=>"歿",
+"殇"=>"殤",
+"残"=>"殘",
+"殒"=>"殞",
+"殓"=>"殮",
+"殚"=>"殫",
+"殡"=>"殯",
+"㱮"=>"殨",
+"殴"=>"毆",
+"毁"=>"毀",
+"毂"=>"轂",
+"毕"=>"畢",
+"毙"=>"斃",
+"毡"=>"氈",
+"毵"=>"毿",
+"氇"=>"氌",
+"气"=>"氣",
+"氢"=>"氫",
+"氩"=>"氬",
+"氲"=>"氳",
+"汉"=>"漢",
+"汤"=>"湯",
+"汹"=>"洶",
+"沟"=>"溝",
+"没"=>"沒",
+"沣"=>"灃",
+"沤"=>"漚",
+"沥"=>"瀝",
+"沦"=>"淪",
+"沧"=>"滄",
+"沪"=>"滬",
+"泞"=>"濘",
+"注"=>"註",
+"泪"=>"淚",
+"泶"=>"澩",
+"泷"=>"瀧",
+"泸"=>"瀘",
+"泺"=>"濼",
+"泻"=>"瀉",
+"泼"=>"潑",
+"泽"=>"澤",
+"泾"=>"涇",
+"洁"=>"潔",
+"洒"=>"灑",
+"洼"=>"窪",
+"浃"=>"浹",
+"浅"=>"淺",
+"浆"=>"漿",
+"浇"=>"澆",
+"浈"=>"湞",
+"浊"=>"濁",
+"测"=>"測",
+"浍"=>"澮",
+"济"=>"濟",
+"浏"=>"瀏",
+"浐"=>"滻",
+"浑"=>"渾",
+"浒"=>"滸",
+"浓"=>"濃",
+"浔"=>"潯",
+"涛"=>"濤",
+"涝"=>"澇",
+"涞"=>"淶",
+"涟"=>"漣",
+"涠"=>"潿",
+"涡"=>"渦",
+"涣"=>"渙",
+"涤"=>"滌",
+"润"=>"潤",
+"涧"=>"澗",
+"涨"=>"漲",
+"涩"=>"澀",
+"渊"=>"淵",
+"渌"=>"淥",
+"渍"=>"漬",
+"渎"=>"瀆",
+"渐"=>"漸",
+"渑"=>"澠",
+"渔"=>"漁",
+"渖"=>"瀋",
+"渗"=>"滲",
+"温"=>"溫",
+"湾"=>"灣",
+"湿"=>"濕",
+"溃"=>"潰",
+"溅"=>"濺",
+"溆"=>"漵",
+"滗"=>"潷",
+"滚"=>"滾",
+"滞"=>"滯",
+"滟"=>"灧",
+"滠"=>"灄",
+"满"=>"滿",
+"滢"=>"瀅",
+"滤"=>"濾",
+"滥"=>"濫",
+"滦"=>"灤",
+"滨"=>"濱",
+"滩"=>"灘",
+"滪"=>"澦",
+"漤"=>"灠",
+"潆"=>"瀠",
+"潇"=>"瀟",
+"潋"=>"瀲",
+"潍"=>"濰",
+"潜"=>"潛",
+"潴"=>"瀦",
+"澜"=>"瀾",
+"濑"=>"瀨",
+"濒"=>"瀕",
+"灏"=>"灝",
+"灭"=>"滅",
+"灯"=>"燈",
+"灵"=>"靈",
+"灶"=>"竈",
+"灾"=>"災",
+"灿"=>"燦",
+"炀"=>"煬",
+"炉"=>"爐",
+"炖"=>"燉",
+"炜"=>"煒",
+"炝"=>"熗",
+"点"=>"點",
+"炼"=>"煉",
+"炽"=>"熾",
+"烁"=>"爍",
+"烂"=>"爛",
+"烃"=>"烴",
+"烛"=>"燭",
+"烟"=>"煙",
+"烦"=>"煩",
+"烧"=>"燒",
+"烨"=>"燁",
+"烩"=>"燴",
+"烫"=>"燙",
+"烬"=>"燼",
+"热"=>"熱",
+"焕"=>"煥",
+"焖"=>"燜",
+"焘"=>"燾",
+"煴"=>"熅",
+"爱"=>"愛",
+"爷"=>"爺",
+"牍"=>"牘",
+"牦"=>"氂",
+"牵"=>"牽",
+"牺"=>"犧",
+"犊"=>"犢",
+"状"=>"狀",
+"犷"=>"獷",
+"犸"=>"獁",
+"犹"=>"猶",
+"狈"=>"狽",
+"狝"=>"獮",
+"狞"=>"獰",
+"独"=>"獨",
+"狭"=>"狹",
+"狮"=>"獅",
+"狯"=>"獪",
+"狰"=>"猙",
+"狱"=>"獄",
+"狲"=>"猻",
+"猃"=>"獫",
+"猎"=>"獵",
+"猕"=>"獼",
+"猡"=>"玀",
+"猪"=>"豬",
+"猫"=>"貓",
+"猬"=>"蝟",
+"献"=>"獻",
+"獭"=>"獺",
+"玑"=>"璣",
+"玚"=>"瑒",
+"玛"=>"瑪",
+"玮"=>"瑋",
+"环"=>"環",
+"现"=>"現",
+"玱"=>"瑲",
+"玺"=>"璽",
+"珐"=>"琺",
+"珑"=>"瓏",
+"珰"=>"璫",
+"珲"=>"琿",
+"琏"=>"璉",
+"琐"=>"瑣",
+"琼"=>"瓊",
+"瑶"=>"瑤",
+"瑷"=>"璦",
+"璎"=>"瓔",
+"瓒"=>"瓚",
+"瓯"=>"甌",
+"电"=>"電",
+"画"=>"畫",
+"畅"=>"暢",
+"畴"=>"疇",
+"疖"=>"癤",
+"疗"=>"療",
+"疟"=>"瘧",
+"疠"=>"癘",
+"疡"=>"瘍",
+"疬"=>"癧",
+"疭"=>"瘲",
+"疮"=>"瘡",
+"疯"=>"瘋",
+"疱"=>"皰",
+"疴"=>"痾",
+"痈"=>"癰",
+"痉"=>"痙",
+"痒"=>"癢",
+"痖"=>"瘂",
+"痨"=>"癆",
+"痪"=>"瘓",
+"痫"=>"癇",
+"瘅"=>"癉",
+"瘆"=>"瘮",
+"瘗"=>"瘞",
+"瘪"=>"癟",
+"瘫"=>"癱",
+"瘾"=>"癮",
+"瘿"=>"癭",
+"癞"=>"癩",
+"癣"=>"癬",
+"癫"=>"癲",
+"皑"=>"皚",
+"皱"=>"皺",
+"皲"=>"皸",
+"盏"=>"盞",
+"盐"=>"鹽",
+"监"=>"監",
+"盖"=>"蓋",
+"盗"=>"盜",
+"盘"=>"盤",
+"眍"=>"瞘",
+"眦"=>"眥",
+"眬"=>"矓",
+"着"=>"著",
+"睁"=>"睜",
+"睐"=>"睞",
+"睑"=>"瞼",
+"瞆"=>"瞶",
+"瞒"=>"瞞",
+"䁖"=>"瞜",
+"瞩"=>"矚",
+"矫"=>"矯",
+"矶"=>"磯",
+"矾"=>"礬",
+"矿"=>"礦",
+"砀"=>"碭",
+"码"=>"碼",
+"砖"=>"磚",
+"砗"=>"硨",
+"砚"=>"硯",
+"砜"=>"碸",
+"砺"=>"礪",
+"砻"=>"礱",
+"砾"=>"礫",
+"础"=>"礎",
+"硁"=>"硜",
+"硕"=>"碩",
+"硖"=>"硤",
+"硗"=>"磽",
+"硙"=>"磑",
+"碍"=>"礙",
+"碛"=>"磧",
+"碜"=>"磣",
+"碱"=>"鹼",
+"礼"=>"禮",
+"祃"=>"禡",
+"祎"=>"禕",
+"祢"=>"禰",
+"祯"=>"禎",
+"祷"=>"禱",
+"祸"=>"禍",
+"禀"=>"稟",
+"禄"=>"祿",
+"禅"=>"禪",
+"离"=>"離",
+"秃"=>"禿",
+"秆"=>"稈",
+"积"=>"積",
+"称"=>"稱",
+"秽"=>"穢",
+"秾"=>"穠",
+"稆"=>"穭",
+"税"=>"稅",
+"稣"=>"穌",
+"稳"=>"穩",
+"穑"=>"穡",
+"穷"=>"窮",
+"窃"=>"竊",
+"窍"=>"竅",
+"窎"=>"窵",
+"窑"=>"窯",
+"窜"=>"竄",
+"窝"=>"窩",
+"窥"=>"窺",
+"窦"=>"竇",
+"窭"=>"窶",
+"竞"=>"競",
+"笃"=>"篤",
+"笋"=>"筍",
+"笔"=>"筆",
+"笕"=>"筧",
+"笺"=>"箋",
+"笼"=>"籠",
+"笾"=>"籩",
+"筚"=>"篳",
+"筛"=>"篩",
+"筜"=>"簹",
+"筝"=>"箏",
+"䇲"=>"筴",
+"筹"=>"籌",
+"筼"=>"篔",
+"简"=>"簡",
+"箓"=>"籙",
+"箦"=>"簀",
+"箧"=>"篋",
+"箨"=>"籜",
+"箩"=>"籮",
+"箪"=>"簞",
+"箫"=>"簫",
+"篑"=>"簣",
+"篓"=>"簍",
+"篮"=>"籃",
+"篱"=>"籬",
+"簖"=>"籪",
+"籁"=>"籟",
+"籴"=>"糴",
+"类"=>"類",
+"籼"=>"秈",
+"粜"=>"糶",
+"粝"=>"糲",
+"粤"=>"粵",
+"粪"=>"糞",
+"粮"=>"糧",
+"糁"=>"糝",
+"糇"=>"餱",
+"紧"=>"緊",
+"䌷"=>"紬",
+"䌹"=>"絅",
+"絷"=>"縶",
+"䌸"=>"縳",
+"䍁"=>"繸",
+"纟"=>"糹",
+"纠"=>"糾",
+"纡"=>"紆",
+"红"=>"紅",
+"纣"=>"紂",
+"纥"=>"紇",
+"约"=>"約",
+"级"=>"級",
+"纨"=>"紈",
+"纩"=>"纊",
+"纪"=>"紀",
+"纫"=>"紉",
+"纬"=>"緯",
+"纭"=>"紜",
+"纮"=>"紘",
+"纯"=>"純",
+"纰"=>"紕",
+"纱"=>"紗",
+"纲"=>"綱",
+"纳"=>"納",
+"纴"=>"紝",
+"纵"=>"縱",
+"纶"=>"綸",
+"纷"=>"紛",
+"纸"=>"紙",
+"纹"=>"紋",
+"纺"=>"紡",
+"纻"=>"紵",
+"纼"=>"紖",
+"纽"=>"紐",
+"纾"=>"紓",
+"绀"=>"紺",
+"绁"=>"紲",
+"绂"=>"紱",
+"练"=>"練",
+"组"=>"組",
+"绅"=>"紳",
+"细"=>"細",
+"织"=>"織",
+"终"=>"終",
+"绉"=>"縐",
+"绊"=>"絆",
+"绋"=>"紼",
+"绌"=>"絀",
+"绍"=>"紹",
+"绎"=>"繹",
+"经"=>"經",
+"绐"=>"紿",
+"绑"=>"綁",
+"绒"=>"絨",
+"结"=>"結",
+"绔"=>"絝",
+"绕"=>"繞",
+"绖"=>"絰",
+"绗"=>"絎",
+"绘"=>"繪",
+"给"=>"給",
+"绚"=>"絢",
+"绛"=>"絳",
+"络"=>"絡",
+"绞"=>"絞",
+"统"=>"統",
+"绠"=>"綆",
+"绡"=>"綃",
+"绢"=>"絹",
+"绤"=>"綌",
+"绥"=>"綏",
+"继"=>"繼",
+"绨"=>"綈",
+"绩"=>"績",
+"绪"=>"緒",
+"绫"=>"綾",
+"绬"=>"緓",
+"续"=>"續",
+"绮"=>"綺",
+"绯"=>"緋",
+"绰"=>"綽",
+"绲"=>"緄",
+"绳"=>"繩",
+"维"=>"維",
+"绵"=>"綿",
+"绶"=>"綬",
+"绸"=>"綢",
+"绹"=>"綯",
+"绺"=>"綹",
+"绻"=>"綣",
+"综"=>"綜",
+"绽"=>"綻",
+"绾"=>"綰",
+"缀"=>"綴",
+"缁"=>"緇",
+"缂"=>"緙",
+"缃"=>"緗",
+"缄"=>"緘",
+"缅"=>"緬",
+"缆"=>"纜",
+"缇"=>"緹",
+"缈"=>"緲",
+"缉"=>"緝",
+"缊"=>"縕",
+"缋"=>"繢",
+"缌"=>"緦",
+"缍"=>"綞",
+"缎"=>"緞",
+"缏"=>"緶",
+"缑"=>"緱",
+"缒"=>"縋",
+"缓"=>"緩",
+"缔"=>"締",
+"缕"=>"縷",
+"编"=>"編",
+"缗"=>"緡",
+"缘"=>"緣",
+"缙"=>"縉",
+"缚"=>"縛",
+"缛"=>"縟",
+"缜"=>"縝",
+"缝"=>"縫",
+"缞"=>"縗",
+"缟"=>"縞",
+"缠"=>"纏",
+"缡"=>"縭",
+"缢"=>"縊",
+"缣"=>"縑",
+"缤"=>"繽",
+"缥"=>"縹",
+"缦"=>"縵",
+"缧"=>"縲",
+"缨"=>"纓",
+"缩"=>"縮",
+"缪"=>"繆",
+"缫"=>"繅",
+"缬"=>"纈",
+"缭"=>"繚",
+"缮"=>"繕",
+"缯"=>"繒",
+"缱"=>"繾",
+"缲"=>"繰",
+"缳"=>"繯",
+"缴"=>"繳",
+"缵"=>"纘",
+"罂"=>"罌",
+"网"=>"網",
+"罗"=>"羅",
+"罚"=>"罰",
+"罢"=>"罷",
+"罴"=>"羆",
+"羁"=>"羈",
+"羟"=>"羥",
+"翘"=>"翹",
+"耢"=>"耮",
+"耧"=>"耬",
+"耸"=>"聳",
+"耻"=>"恥",
+"聂"=>"聶",
+"聋"=>"聾",
+"职"=>"職",
+"聍"=>"聹",
+"联"=>"聯",
+"聩"=>"聵",
+"聪"=>"聰",
+"肃"=>"肅",
+"肠"=>"腸",
+"肤"=>"膚",
+"肮"=>"骯",
+"肴"=>"餚",
+"肾"=>"腎",
+"肿"=>"腫",
+"胀"=>"脹",
+"胁"=>"脅",
+"胆"=>"膽",
+"胧"=>"朧",
+"胨"=>"腖",
+"胪"=>"臚",
+"胫"=>"脛",
+"胶"=>"膠",
+"脉"=>"脈",
+"脍"=>"膾",
+"脐"=>"臍",
+"脑"=>"腦",
+"脓"=>"膿",
+"脔"=>"臠",
+"脚"=>"腳",
+"脱"=>"脫",
+"脶"=>"腡",
+"脸"=>"臉",
+"腭"=>"齶",
+"腻"=>"膩",
+"腼"=>"靦",
+"腽"=>"膃",
+"腾"=>"騰",
+"膑"=>"臏",
+"臜"=>"臢",
+"舆"=>"輿",
+"舣"=>"艤",
+"舰"=>"艦",
+"舱"=>"艙",
+"舻"=>"艫",
+"艰"=>"艱",
+"艳"=>"艷",
+"艺"=>"藝",
+"节"=>"節",
+"芈"=>"羋",
+"芗"=>"薌",
+"芜"=>"蕪",
+"芦"=>"蘆",
+"苁"=>"蓯",
+"苇"=>"葦",
+"苈"=>"藶",
+"苋"=>"莧",
+"苌"=>"萇",
+"苍"=>"蒼",
+"苎"=>"苧",
+"茎"=>"莖",
+"茏"=>"蘢",
+"茑"=>"蔦",
+"茔"=>"塋",
+"茕"=>"煢",
+"茧"=>"繭",
+"荆"=>"荊",
+"荐"=>"薦",
+"荙"=>"薘",
+"荚"=>"莢",
+"荛"=>"蕘",
+"荜"=>"蓽",
+"荞"=>"蕎",
+"荟"=>"薈",
+"荠"=>"薺",
+"荡"=>"蕩",
+"荣"=>"榮",
+"荤"=>"葷",
+"荥"=>"滎",
+"荦"=>"犖",
+"荧"=>"熒",
+"荨"=>"蕁",
+"荩"=>"藎",
+"荪"=>"蓀",
+"荫"=>"蔭",
+"荬"=>"蕒",
+"荭"=>"葒",
+"荮"=>"葤",
+"莅"=>"蒞",
+"莱"=>"萊",
+"莲"=>"蓮",
+"莳"=>"蒔",
+"莴"=>"萵",
+"莶"=>"薟",
+"莸"=>"蕕",
+"莹"=>"瑩",
+"莺"=>"鶯",
+"萝"=>"蘿",
+"萤"=>"螢",
+"营"=>"營",
+"萦"=>"縈",
+"萧"=>"蕭",
+"萨"=>"薩",
+"葱"=>"蔥",
+"蒇"=>"蕆",
+"蒉"=>"蕢",
+"蒋"=>"蔣",
+"蒌"=>"蔞",
+"蓝"=>"藍",
+"蓟"=>"薊",
+"蓠"=>"蘺",
+"蓣"=>"蕷",
+"蓥"=>"鎣",
+"蓦"=>"驀",
+"蔂"=>"虆",
+"蔷"=>"薔",
+"蔹"=>"蘞",
+"蔺"=>"藺",
+"蔼"=>"藹",
+"蕰"=>"薀",
+"蕲"=>"蘄",
+"薮"=>"藪",
+"藓"=>"蘚",
+"蘖"=>"櫱",
+"虏"=>"虜",
+"虑"=>"慮",
+"虚"=>"虛",
+"虬"=>"虯",
+"虮"=>"蟣",
+"虽"=>"雖",
+"虾"=>"蝦",
+"虿"=>"蠆",
+"蚀"=>"蝕",
+"蚁"=>"蟻",
+"蚂"=>"螞",
+"蚕"=>"蠶",
+"蚬"=>"蜆",
+"蛊"=>"蠱",
+"蛎"=>"蠣",
+"蛏"=>"蟶",
+"蛮"=>"蠻",
+"蛰"=>"蟄",
+"蛱"=>"蛺",
+"蛲"=>"蟯",
+"蛳"=>"螄",
+"蛴"=>"蠐",
+"蜕"=>"蛻",
+"蜗"=>"蝸",
+"蝇"=>"蠅",
+"蝈"=>"蟈",
+"蝉"=>"蟬",
+"蝼"=>"螻",
+"蝾"=>"蠑",
+"螀"=>"螿",
+"螨"=>"蟎",
+"蟏"=>"蠨",
+"衅"=>"釁",
+"衔"=>"銜",
+"补"=>"補",
+"衬"=>"襯",
+"衮"=>"袞",
+"袄"=>"襖",
+"袅"=>"裊",
+"袆"=>"褘",
+"袜"=>"襪",
+"袭"=>"襲",
+"袯"=>"襏",
+"装"=>"裝",
+"裆"=>"襠",
+"裈"=>"褌",
+"裢"=>"褳",
+"裣"=>"襝",
+"裤"=>"褲",
+"裥"=>"襇",
+"褛"=>"褸",
+"褴"=>"襤",
+"见"=>"見",
+"观"=>"觀",
+"觃"=>"覎",
+"规"=>"規",
+"觅"=>"覓",
+"视"=>"視",
+"觇"=>"覘",
+"览"=>"覽",
+"觉"=>"覺",
+"觊"=>"覬",
+"觋"=>"覡",
+"觌"=>"覿",
+"觍"=>"覥",
+"觎"=>"覦",
+"觏"=>"覯",
+"觐"=>"覲",
+"觑"=>"覷",
+"觞"=>"觴",
+"触"=>"觸",
+"觯"=>"觶",
+"訚"=>"誾",
+"䜣"=>"訢",
+"誉"=>"譽",
+"誊"=>"謄",
+"讠"=>"訁",
+"计"=>"計",
+"订"=>"訂",
+"讣"=>"訃",
+"认"=>"認",
+"讥"=>"譏",
+"讦"=>"訐",
+"讧"=>"訌",
+"讨"=>"討",
+"让"=>"讓",
+"讪"=>"訕",
+"讫"=>"訖",
+"讬"=>"託",
+"训"=>"訓",
+"议"=>"議",
+"讯"=>"訊",
+"记"=>"記",
+"讱"=>"訒",
+"讲"=>"講",
+"讳"=>"諱",
+"讴"=>"謳",
+"讵"=>"詎",
+"讶"=>"訝",
+"讷"=>"訥",
+"许"=>"許",
+"讹"=>"訛",
+"论"=>"論",
+"讻"=>"訩",
+"讼"=>"訟",
+"讽"=>"諷",
+"设"=>"設",
+"访"=>"訪",
+"诀"=>"訣",
+"证"=>"證",
+"诂"=>"詁",
+"诃"=>"訶",
+"评"=>"評",
+"诅"=>"詛",
+"识"=>"識",
+"诇"=>"詗",
+"诈"=>"詐",
+"诉"=>"訴",
+"诊"=>"診",
+"诋"=>"詆",
+"诌"=>"謅",
+"词"=>"詞",
+"诎"=>"詘",
+"诏"=>"詔",
+"诐"=>"詖",
+"译"=>"譯",
+"诒"=>"詒",
+"诓"=>"誆",
+"诔"=>"誄",
+"试"=>"試",
+"诖"=>"詿",
+"诗"=>"詩",
+"诘"=>"詰",
+"诙"=>"詼",
+"诚"=>"誠",
+"诛"=>"誅",
+"诜"=>"詵",
+"话"=>"話",
+"诞"=>"誕",
+"诟"=>"詬",
+"诠"=>"詮",
+"诡"=>"詭",
+"询"=>"詢",
+"诣"=>"詣",
+"诤"=>"諍",
+"该"=>"該",
+"详"=>"詳",
+"诧"=>"詫",
+"诨"=>"諢",
+"诩"=>"詡",
+"诪"=>"譸",
+"诫"=>"誡",
+"诬"=>"誣",
+"语"=>"語",
+"诮"=>"誚",
+"误"=>"誤",
+"诰"=>"誥",
+"诱"=>"誘",
+"诲"=>"誨",
+"诳"=>"誑",
+"诵"=>"誦",
+"诶"=>"誒",
+"请"=>"請",
+"诸"=>"諸",
+"诹"=>"諏",
+"诺"=>"諾",
+"读"=>"讀",
+"诼"=>"諑",
+"诽"=>"誹",
+"课"=>"課",
+"诿"=>"諉",
+"谀"=>"諛",
+"谁"=>"誰",
+"谂"=>"諗",
+"调"=>"調",
+"谄"=>"諂",
+"谅"=>"諒",
+"谆"=>"諄",
+"谇"=>"誶",
+"谈"=>"談",
+"谊"=>"誼",
+"谋"=>"謀",
+"谌"=>"諶",
+"谍"=>"諜",
+"谎"=>"謊",
+"谏"=>"諫",
+"谐"=>"諧",
+"谑"=>"謔",
+"谒"=>"謁",
+"谓"=>"謂",
+"谔"=>"諤",
+"谕"=>"諭",
+"谖"=>"諼",
+"谗"=>"讒",
+"谘"=>"諮",
+"谙"=>"諳",
+"谚"=>"諺",
+"谛"=>"諦",
+"谜"=>"謎",
+"谝"=>"諞",
+"谞"=>"諝",
+"谟"=>"謨",
+"谠"=>"讜",
+"谡"=>"謖",
+"谢"=>"謝",
+"谤"=>"謗",
+"谥"=>"謚",
+"谦"=>"謙",
+"谧"=>"謐",
+"谨"=>"謹",
+"谩"=>"謾",
+"谪"=>"謫",
+"谬"=>"謬",
+"谭"=>"譚",
+"谮"=>"譖",
+"谯"=>"譙",
+"谰"=>"讕",
+"谱"=>"譜",
+"谲"=>"譎",
+"谳"=>"讞",
+"谴"=>"譴",
+"谵"=>"譫",
+"谶"=>"讖",
+"豮"=>"豶",
+"贝"=>"貝",
+"贞"=>"貞",
+"负"=>"負",
+"贠"=>"貟",
+"贡"=>"貢",
+"财"=>"財",
+"责"=>"責",
+"贤"=>"賢",
+"败"=>"敗",
+"账"=>"賬",
+"货"=>"貨",
+"质"=>"質",
+"贩"=>"販",
+"贪"=>"貪",
+"贫"=>"貧",
+"贬"=>"貶",
+"购"=>"購",
+"贮"=>"貯",
+"贯"=>"貫",
+"贰"=>"貳",
+"贱"=>"賤",
+"贲"=>"賁",
+"贳"=>"貰",
+"贴"=>"貼",
+"贵"=>"貴",
+"贶"=>"貺",
+"贷"=>"貸",
+"贸"=>"貿",
+"费"=>"費",
+"贺"=>"賀",
+"贻"=>"貽",
+"贼"=>"賊",
+"贽"=>"贄",
+"贾"=>"賈",
+"贿"=>"賄",
+"赀"=>"貲",
+"赁"=>"賃",
+"赂"=>"賂",
+"资"=>"資",
+"赅"=>"賅",
+"赆"=>"贐",
+"赇"=>"賕",
+"赈"=>"賑",
+"赉"=>"賚",
+"赊"=>"賒",
+"赋"=>"賦",
+"赌"=>"賭",
+"赎"=>"贖",
+"赏"=>"賞",
+"赐"=>"賜",
+"赑"=>"贔",
+"赒"=>"賙",
+"赓"=>"賡",
+"赔"=>"賠",
+"赕"=>"賧",
+"赖"=>"賴",
+"赗"=>"賵",
+"赘"=>"贅",
+"赙"=>"賻",
+"赚"=>"賺",
+"赛"=>"賽",
+"赜"=>"賾",
+"赞"=>"贊",
+"赟"=>"贇",
+"赠"=>"贈",
+"赡"=>"贍",
+"赢"=>"贏",
+"赣"=>"贛",
+"赪"=>"赬",
+"赵"=>"趙",
+"赶"=>"趕",
+"趋"=>"趨",
+"趱"=>"趲",
+"趸"=>"躉",
+"跃"=>"躍",
+"跄"=>"蹌",
+"跞"=>"躒",
+"践"=>"踐",
+"跶"=>"躂",
+"跷"=>"蹺",
+"跸"=>"蹕",
+"跹"=>"躚",
+"跻"=>"躋",
+"踊"=>"踴",
+"踌"=>"躊",
+"踪"=>"蹤",
+"踬"=>"躓",
+"踯"=>"躑",
+"蹑"=>"躡",
+"蹒"=>"蹣",
+"蹰"=>"躕",
+"蹿"=>"躥",
+"躏"=>"躪",
+"躜"=>"躦",
+"躯"=>"軀",
+"车"=>"車",
+"轧"=>"軋",
+"轨"=>"軌",
+"轩"=>"軒",
+"轪"=>"軑",
+"轫"=>"軔",
+"转"=>"轉",
+"轭"=>"軛",
+"轮"=>"輪",
+"软"=>"軟",
+"轰"=>"轟",
+"轱"=>"軲",
+"轲"=>"軻",
+"轳"=>"轤",
+"轴"=>"軸",
+"轵"=>"軹",
+"轶"=>"軼",
+"轷"=>"軤",
+"轸"=>"軫",
+"轹"=>"轢",
+"轺"=>"軺",
+"轻"=>"輕",
+"轼"=>"軾",
+"载"=>"載",
+"轾"=>"輊",
+"轿"=>"轎",
+"辀"=>"輈",
+"辁"=>"輇",
+"辂"=>"輅",
+"较"=>"較",
+"辄"=>"輒",
+"辅"=>"輔",
+"辆"=>"輛",
+"辇"=>"輦",
+"辈"=>"輩",
+"辉"=>"輝",
+"辊"=>"輥",
+"辋"=>"輞",
+"辌"=>"輬",
+"辍"=>"輟",
+"辎"=>"輜",
+"辏"=>"輳",
+"辐"=>"輻",
+"辑"=>"輯",
+"辒"=>"轀",
+"输"=>"輸",
+"辔"=>"轡",
+"辕"=>"轅",
+"辖"=>"轄",
+"辗"=>"輾",
+"辘"=>"轆",
+"辙"=>"轍",
+"辚"=>"轔",
+"辞"=>"辭",
+"辩"=>"辯",
+"辫"=>"辮",
+"边"=>"邊",
+"辽"=>"遼",
+"达"=>"達",
+"迁"=>"遷",
+"过"=>"過",
+"迈"=>"邁",
+"运"=>"運",
+"还"=>"還",
+"这"=>"這",
+"进"=>"進",
+"远"=>"遠",
+"违"=>"違",
+"连"=>"連",
+"迟"=>"遲",
+"迩"=>"邇",
+"迳"=>"逕",
+"迹"=>"跡",
+"选"=>"選",
+"逊"=>"遜",
+"递"=>"遞",
+"逦"=>"邐",
+"逻"=>"邏",
+"遗"=>"遺",
+"遥"=>"遙",
+"邓"=>"鄧",
+"邝"=>"鄺",
+"邬"=>"鄔",
+"邮"=>"郵",
+"邹"=>"鄒",
+"邺"=>"鄴",
+"邻"=>"鄰",
+"郏"=>"郟",
+"郐"=>"鄶",
+"郑"=>"鄭",
+"郓"=>"鄆",
+"郦"=>"酈",
+"郧"=>"鄖",
+"郸"=>"鄲",
+"酂"=>"酇",
+"酦"=>"醱",
+"酱"=>"醬",
+"酽"=>"釅",
+"酾"=>"釃",
+"酿"=>"釀",
+"释"=>"釋",
+"鉴"=>"鑒",
+"銮"=>"鑾",
+"錾"=>"鏨",
+"钅"=>"釒",
+"钆"=>"釓",
+"钇"=>"釔",
+"针"=>"針",
+"钉"=>"釘",
+"钊"=>"釗",
+"钋"=>"釙",
+"钌"=>"釕",
+"钍"=>"釷",
+"钎"=>"釺",
+"钏"=>"釧",
+"钐"=>"釤",
+"钑"=>"鈒",
+"钒"=>"釩",
+"钓"=>"釣",
+"钔"=>"鍆",
+"钕"=>"釹",
+"钖"=>"鍚",
+"钗"=>"釵",
+"钘"=>"鈃",
+"钙"=>"鈣",
+"钚"=>"鈈",
+"钛"=>"鈦",
+"钜"=>"鉅",
+"钝"=>"鈍",
+"钞"=>"鈔",
+"钠"=>"鈉",
+"钡"=>"鋇",
+"钢"=>"鋼",
+"钣"=>"鈑",
+"钤"=>"鈐",
+"钥"=>"鑰",
+"钦"=>"欽",
+"钧"=>"鈞",
+"钨"=>"鎢",
+"钪"=>"鈧",
+"钫"=>"鈁",
+"钬"=>"鈥",
+"钭"=>"鈄",
+"钮"=>"鈕",
+"钯"=>"鈀",
+"钰"=>"鈺",
+"钱"=>"錢",
+"钲"=>"鉦",
+"钳"=>"鉗",
+"钴"=>"鈷",
+"钶"=>"鈳",
+"钷"=>"鉕",
+"钸"=>"鈽",
+"钹"=>"鈸",
+"钺"=>"鉞",
+"钻"=>"鑽",
+"钼"=>"鉬",
+"钽"=>"鉭",
+"钾"=>"鉀",
+"钿"=>"鈿",
+"铀"=>"鈾",
+"铁"=>"鐵",
+"铂"=>"鉑",
+"铃"=>"鈴",
+"铄"=>"鑠",
+"铅"=>"鉛",
+"铆"=>"鉚",
+"铇"=>"鉋",
+"铈"=>"鈰",
+"铉"=>"鉉",
+"铊"=>"鉈",
+"铋"=>"鉍",
+"铌"=>"鈮",
+"铍"=>"鈹",
+"铎"=>"鐸",
+"铏"=>"鉶",
+"铐"=>"銬",
+"铑"=>"銠",
+"铒"=>"鉺",
+"铓"=>"鋩",
+"铔"=>"錏",
+"铕"=>"銪",
+"铖"=>"鋮",
+"铗"=>"鋏",
+"铘"=>"鋣",
+"铙"=>"鐃",
+"铚"=>"銍",
+"铛"=>"鐺",
+"铜"=>"銅",
+"铝"=>"鋁",
+"铞"=>"銱",
+"铟"=>"銦",
+"铠"=>"鎧",
+"铡"=>"鍘",
+"铢"=>"銖",
+"铣"=>"銑",
+"铤"=>"鋌",
+"铥"=>"銩",
+"铦"=>"銛",
+"铧"=>"鏵",
+"铨"=>"銓",
+"铩"=>"鎩",
+"铪"=>"鉿",
+"铫"=>"銚",
+"铬"=>"鉻",
+"铭"=>"銘",
+"铮"=>"錚",
+"铯"=>"銫",
+"铰"=>"鉸",
+"铱"=>"銥",
+"铲"=>"鏟",
+"铳"=>"銃",
+"铴"=>"鐋",
+"铵"=>"銨",
+"银"=>"銀",
+"铷"=>"銣",
+"铸"=>"鑄",
+"铹"=>"鐒",
+"铺"=>"鋪",
+"铻"=>"鋙",
+"铼"=>"錸",
+"铽"=>"鋱",
+"链"=>"鏈",
+"铿"=>"鏗",
+"销"=>"銷",
+"锁"=>"鎖",
+"锂"=>"鋰",
+"锃"=>"鋥",
+"锄"=>"鋤",
+"锅"=>"鍋",
+"锆"=>"鋯",
+"锇"=>"鋨",
+"锉"=>"銼",
+"锊"=>"鋝",
+"锋"=>"鋒",
+"锌"=>"鋅",
+"锍"=>"鋶",
+"锎"=>"鐦",
+"锏"=>"鐧",
+"锑"=>"銻",
+"锒"=>"鋃",
+"锓"=>"鋟",
+"锔"=>"鋦",
+"锕"=>"錒",
+"锖"=>"錆",
+"锗"=>"鍺",
+"锘"=>"鍩",
+"错"=>"錯",
+"锚"=>"錨",
+"锛"=>"錛",
+"锜"=>"錡",
+"锝"=>"鍀",
+"锞"=>"錁",
+"锟"=>"錕",
+"锠"=>"錩",
+"锡"=>"錫",
+"锢"=>"錮",
+"锣"=>"鑼",
+"锤"=>"錘",
+"锥"=>"錐",
+"锦"=>"錦",
+"锧"=>"鑕",
+"锩"=>"錈",
+"锪"=>"鍃",
+"锫"=>"錇",
+"锬"=>"錟",
+"锭"=>"錠",
+"键"=>"鍵",
+"锯"=>"鋸",
+"锰"=>"錳",
+"锱"=>"錙",
+"锲"=>"鍥",
+"锳"=>"鍈",
+"锴"=>"鍇",
+"锵"=>"鏘",
+"锶"=>"鍶",
+"锷"=>"鍔",
+"锸"=>"鍤",
+"锹"=>"鍬",
+"锺"=>"鍾",
+"锻"=>"鍛",
+"锼"=>"鎪",
+"锽"=>"鍠",
+"锾"=>"鍰",
+"锿"=>"鎄",
+"镀"=>"鍍",
+"镁"=>"鎂",
+"镂"=>"鏤",
+"镃"=>"鎡",
+"镄"=>"鐨",
+"镅"=>"鎇",
+"镆"=>"鏌",
+"镇"=>"鎮",
+"镈"=>"鎛",
+"镉"=>"鎘",
+"镊"=>"鑷",
+"镋"=>"鎲",
+"镍"=>"鎳",
+"镎"=>"鎿",
+"镏"=>"鎦",
+"镐"=>"鎬",
+"镑"=>"鎊",
+"镒"=>"鎰",
+"镓"=>"鎵",
+"镔"=>"鑌",
+"镕"=>"鎔",
+"镖"=>"鏢",
+"镗"=>"鏜",
+"镘"=>"鏝",
+"镙"=>"鏍",
+"镚"=>"鏰",
+"镛"=>"鏞",
+"镜"=>"鏡",
+"镝"=>"鏑",
+"镞"=>"鏃",
+"镟"=>"鏇",
+"镠"=>"鏐",
+"镡"=>"鐔",
+"镣"=>"鐐",
+"镤"=>"鏷",
+"镥"=>"鑥",
+"镦"=>"鐓",
+"镧"=>"鑭",
+"镨"=>"鐠",
+"镩"=>"鑹",
+"镪"=>"鏹",
+"镫"=>"鐙",
+"镬"=>"鑊",
+"镭"=>"鐳",
+"镮"=>"鐶",
+"镯"=>"鐲",
+"镰"=>"鐮",
+"镱"=>"鐿",
+"镲"=>"鑔",
+"镳"=>"鑣",
+"镴"=>"鑞",
+"镵"=>"鑱",
+"镶"=>"鑲",
+"长"=>"長",
+"门"=>"門",
+"闩"=>"閂",
+"闪"=>"閃",
+"闫"=>"閆",
+"闬"=>"閈",
+"闭"=>"閉",
+"问"=>"問",
+"闯"=>"闖",
+"闰"=>"閏",
+"闱"=>"闈",
+"闲"=>"閑",
+"闳"=>"閎",
+"间"=>"間",
+"闵"=>"閔",
+"闶"=>"閌",
+"闷"=>"悶",
+"闸"=>"閘",
+"闹"=>"鬧",
+"闺"=>"閨",
+"闻"=>"聞",
+"闼"=>"闥",
+"闽"=>"閩",
+"闾"=>"閭",
+"闿"=>"闓",
+"阀"=>"閥",
+"阁"=>"閣",
+"阂"=>"閡",
+"阃"=>"閫",
+"阄"=>"鬮",
+"阆"=>"閬",
+"阇"=>"闍",
+"阈"=>"閾",
+"阉"=>"閹",
+"阊"=>"閶",
+"阋"=>"鬩",
+"阌"=>"閿",
+"阍"=>"閽",
+"阎"=>"閻",
+"阏"=>"閼",
+"阐"=>"闡",
+"阑"=>"闌",
+"阒"=>"闃",
+"阓"=>"闠",
+"阔"=>"闊",
+"阕"=>"闋",
+"阖"=>"闔",
+"阗"=>"闐",
+"阘"=>"闒",
+"阙"=>"闕",
+"阚"=>"闞",
+"阛"=>"闤",
+"队"=>"隊",
+"阳"=>"陽",
+"阴"=>"陰",
+"阵"=>"陣",
+"阶"=>"階",
+"际"=>"際",
+"陆"=>"陸",
+"陇"=>"隴",
+"陈"=>"陳",
+"陉"=>"陘",
+"陕"=>"陝",
+"陧"=>"隉",
+"陨"=>"隕",
+"险"=>"險",
+"随"=>"隨",
+"隐"=>"隱",
+"隶"=>"隸",
+"隽"=>"雋",
+"难"=>"難",
+"雏"=>"雛",
+"雠"=>"讎",
+"雳"=>"靂",
+"雾"=>"霧",
+"霁"=>"霽",
+"霡"=>"霢",
+"霭"=>"靄",
+"靓"=>"靚",
+"静"=>"靜",
+"靥"=>"靨",
+"鞑"=>"韃",
+"鞒"=>"鞽",
+"鞯"=>"韉",
+"韦"=>"韋",
+"韧"=>"韌",
+"韨"=>"韍",
+"韩"=>"韓",
+"韪"=>"韙",
+"韫"=>"韞",
+"韬"=>"韜",
+"韵"=>"韻",
+"页"=>"頁",
+"顶"=>"頂",
+"顷"=>"頃",
+"顸"=>"頇",
+"项"=>"項",
+"顺"=>"順",
+"顼"=>"頊",
+"顽"=>"頑",
+"顾"=>"顧",
+"顿"=>"頓",
+"颀"=>"頎",
+"颁"=>"頒",
+"颂"=>"頌",
+"颃"=>"頏",
+"预"=>"預",
+"颅"=>"顱",
+"领"=>"領",
+"颇"=>"頗",
+"颈"=>"頸",
+"颉"=>"頡",
+"颊"=>"頰",
+"颋"=>"頲",
+"颌"=>"頜",
+"颍"=>"潁",
+"颎"=>"熲",
+"颏"=>"頦",
+"颐"=>"頤",
+"频"=>"頻",
+"颒"=>"頮",
+"颔"=>"頷",
+"颕"=>"頴",
+"颖"=>"穎",
+"颗"=>"顆",
+"题"=>"題",
+"颙"=>"顒",
+"颚"=>"顎",
+"颛"=>"顓",
+"额"=>"額",
+"颞"=>"顳",
+"颟"=>"顢",
+"颠"=>"顛",
+"颡"=>"顙",
+"颢"=>"顥",
+"颤"=>"顫",
+"颥"=>"顬",
+"颦"=>"顰",
+"颧"=>"顴",
+"风"=>"風",
+"飏"=>"颺",
+"飐"=>"颭",
+"飑"=>"颮",
+"飒"=>"颯",
+"飓"=>"颶",
+"飔"=>"颸",
+"飕"=>"颼",
+"飖"=>"颻",
+"飗"=>"飀",
+"飘"=>"飄",
+"飙"=>"飆",
+"飚"=>"飈",
+"飞"=>"飛",
+"飨"=>"饗",
+"餍"=>"饜",
+"饣"=>"飠",
+"饤"=>"飣",
+"饦"=>"飥",
+"饧"=>"餳",
+"饨"=>"飩",
+"饩"=>"餼",
+"饪"=>"飪",
+"饫"=>"飫",
+"饬"=>"飭",
+"饭"=>"飯",
+"饮"=>"飲",
+"饯"=>"餞",
+"饰"=>"飾",
+"饱"=>"飽",
+"饲"=>"飼",
+"饳"=>"飿",
+"饴"=>"飴",
+"饵"=>"餌",
+"饶"=>"饒",
+"饷"=>"餉",
+"饸"=>"餄",
+"饹"=>"餎",
+"饺"=>"餃",
+"饻"=>"餏",
+"饼"=>"餅",
+"饽"=>"餑",
+"饾"=>"餖",
+"饿"=>"餓",
+"馀"=>"餘",
+"馁"=>"餒",
+"馂"=>"餕",
+"馃"=>"餜",
+"馄"=>"餛",
+"馅"=>"餡",
+"馆"=>"館",
+"馇"=>"餷",
+"馈"=>"饋",
+"馉"=>"餶",
+"馊"=>"餿",
+"馋"=>"饞",
+"馌"=>"饁",
+"馍"=>"饃",
+"馎"=>"餺",
+"馏"=>"餾",
+"馐"=>"饈",
+"馑"=>"饉",
+"馒"=>"饅",
+"馓"=>"饊",
+"馔"=>"饌",
+"馕"=>"饢",
+"马"=>"馬",
+"驭"=>"馭",
+"驮"=>"馱",
+"驯"=>"馴",
+"驰"=>"馳",
+"驱"=>"驅",
+"驲"=>"馹",
+"驳"=>"駁",
+"驴"=>"驢",
+"驵"=>"駔",
+"驶"=>"駛",
+"驷"=>"駟",
+"驸"=>"駙",
+"驹"=>"駒",
+"驺"=>"騶",
+"驻"=>"駐",
+"驼"=>"駝",
+"驽"=>"駑",
+"驾"=>"駕",
+"驿"=>"驛",
+"骀"=>"駘",
+"骁"=>"驍",
+"骃"=>"駰",
+"骄"=>"驕",
+"骅"=>"驊",
+"骆"=>"駱",
+"骇"=>"駭",
+"骈"=>"駢",
+"骉"=>"驫",
+"骊"=>"驪",
+"骋"=>"騁",
+"验"=>"驗",
+"骍"=>"騂",
+"骎"=>"駸",
+"骏"=>"駿",
+"骐"=>"騏",
+"骑"=>"騎",
+"骒"=>"騍",
+"骓"=>"騅",
+"骔"=>"騌",
+"骕"=>"驌",
+"骖"=>"驂",
+"骗"=>"騙",
+"骘"=>"騭",
+"骙"=>"騤",
+"骚"=>"騷",
+"骛"=>"騖",
+"骜"=>"驁",
+"骝"=>"騮",
+"骞"=>"騫",
+"骟"=>"騸",
+"骠"=>"驃",
+"骡"=>"騾",
+"骢"=>"驄",
+"骣"=>"驏",
+"骤"=>"驟",
+"骥"=>"驥",
+"骦"=>"驦",
+"骧"=>"驤",
+"髅"=>"髏",
+"髋"=>"髖",
+"髌"=>"髕",
+"鬓"=>"鬢",
+"魇"=>"魘",
+"魉"=>"魎",
+"鱼"=>"魚",
+"鱽"=>"魛",
+"鱾"=>"魢",
+"鱿"=>"魷",
+"鲀"=>"魨",
+"鲁"=>"魯",
+"鲂"=>"魴",
+"鲃"=>"䰾",
+"鲄"=>"魺",
+"鲅"=>"鮁",
+"鲆"=>"鮃",
+"鲈"=>"鱸",
+"鲉"=>"鮋",
+"鲊"=>"鮓",
+"鲋"=>"鮒",
+"鲌"=>"鮊",
+"鲍"=>"鮑",
+"鲎"=>"鱟",
+"鲏"=>"鮍",
+"鲐"=>"鮐",
+"鲑"=>"鮭",
+"鲒"=>"鮚",
+"鲓"=>"鮳",
+"鲔"=>"鮪",
+"鲕"=>"鮞",
+"鲖"=>"鮦",
+"鲗"=>"鰂",
+"鲘"=>"鮜",
+"鲙"=>"鱠",
+"鲚"=>"鱭",
+"鲛"=>"鮫",
+"鲜"=>"鮮",
+"鲝"=>"鮺",
+"鲟"=>"鱘",
+"鲠"=>"鯁",
+"鲡"=>"鱺",
+"鲢"=>"鰱",
+"鲣"=>"鰹",
+"鲤"=>"鯉",
+"鲥"=>"鰣",
+"鲦"=>"鰷",
+"鲧"=>"鯀",
+"鲨"=>"鯊",
+"鲩"=>"鯇",
+"鲪"=>"鮶",
+"鲫"=>"鯽",
+"鲬"=>"鯒",
+"鲭"=>"鯖",
+"鲮"=>"鯪",
+"鲯"=>"鯕",
+"鲰"=>"鯫",
+"鲱"=>"鯡",
+"鲲"=>"鯤",
+"鲳"=>"鯧",
+"鲴"=>"鯝",
+"鲵"=>"鯢",
+"鲶"=>"鯰",
+"鲷"=>"鯛",
+"鲸"=>"鯨",
+"鲹"=>"鰺",
+"鲺"=>"鯴",
+"鲻"=>"鯔",
+"鲼"=>"鱝",
+"鲽"=>"鰈",
+"鲾"=>"鰏",
+"鲿"=>"鱨",
+"鳀"=>"鯷",
+"鳁"=>"鰮",
+"鳂"=>"鰃",
+"鳃"=>"鰓",
+"鳅"=>"鰍",
+"鳆"=>"鰒",
+"鳇"=>"鰉",
+"鳈"=>"鰁",
+"鳉"=>"鱂",
+"鳊"=>"鯿",
+"鳋"=>"鰠",
+"鳌"=>"鰲",
+"鳍"=>"鰭",
+"鳎"=>"鰨",
+"鳏"=>"鰥",
+"鳐"=>"鰩",
+"鳑"=>"鰟",
+"鳒"=>"鰜",
+"鳓"=>"鰳",
+"鳔"=>"鰾",
+"鳕"=>"鱈",
+"鳖"=>"鱉",
+"鳗"=>"鰻",
+"鳘"=>"鰵",
+"鳙"=>"鱅",
+"鳚"=>"䲁",
+"鳛"=>"鰼",
+"鳜"=>"鱖",
+"鳝"=>"鱔",
+"鳞"=>"鱗",
+"鳟"=>"鱒",
+"鳠"=>"鱯",
+"鳡"=>"鱤",
+"鳢"=>"鱧",
+"鳣"=>"鱣",
+"䴓"=>"鳾",
+"䴕"=>"鴷",
+"䴔"=>"鵁",
+"䴖"=>"鶄",
+"䴗"=>"鶪",
+"䴘"=>"鷈",
+"䴙"=>"鷿",
+"鸟"=>"鳥",
+"鸠"=>"鳩",
+"鸢"=>"鳶",
+"鸣"=>"鳴",
+"鸤"=>"鳲",
+"鸥"=>"鷗",
+"鸦"=>"鴉",
+"鸧"=>"鶬",
+"鸨"=>"鴇",
+"鸩"=>"鴆",
+"鸪"=>"鴣",
+"鸫"=>"鶇",
+"鸬"=>"鸕",
+"鸭"=>"鴨",
+"鸮"=>"鴞",
+"鸯"=>"鴦",
+"鸰"=>"鴒",
+"鸱"=>"鴟",
+"鸲"=>"鴝",
+"鸳"=>"鴛",
+"鸴"=>"鷽",
+"鸵"=>"鴕",
+"鸶"=>"鷥",
+"鸷"=>"鷙",
+"鸸"=>"鴯",
+"鸹"=>"鴰",
+"鸺"=>"鵂",
+"鸻"=>"鴴",
+"鸼"=>"鵃",
+"鸽"=>"鴿",
+"鸾"=>"鸞",
+"鸿"=>"鴻",
+"鹀"=>"鵐",
+"鹁"=>"鵓",
+"鹂"=>"鸝",
+"鹃"=>"鵑",
+"鹄"=>"鵠",
+"鹅"=>"鵝",
+"鹆"=>"鵒",
+"鹇"=>"鷳",
+"鹈"=>"鵜",
+"鹉"=>"鵡",
+"鹊"=>"鵲",
+"鹋"=>"鶓",
+"鹌"=>"鵪",
+"鹍"=>"鵾",
+"鹎"=>"鵯",
+"鹏"=>"鵬",
+"鹐"=>"鵮",
+"鹑"=>"鶉",
+"鹒"=>"鶊",
+"鹓"=>"鵷",
+"鹔"=>"鷫",
+"鹕"=>"鶘",
+"鹖"=>"鶡",
+"鹗"=>"鶚",
+"鹘"=>"鶻",
+"鹙"=>"鶖",
+"鹛"=>"鶥",
+"鹜"=>"鶩",
+"鹝"=>"鷊",
+"鹞"=>"鷂",
+"鹟"=>"鶲",
+"鹠"=>"鶹",
+"鹡"=>"鶺",
+"鹢"=>"鷁",
+"鹣"=>"鶼",
+"鹤"=>"鶴",
+"鹥"=>"鷖",
+"鹦"=>"鸚",
+"鹧"=>"鷓",
+"鹨"=>"鷚",
+"鹩"=>"鷯",
+"鹪"=>"鷦",
+"鹫"=>"鷲",
+"鹬"=>"鷸",
+"鹭"=>"鷺",
+"鹯"=>"鸇",
+"鹰"=>"鷹",
+"鹱"=>"鸌",
+"鹲"=>"鸏",
+"鹳"=>"鸛",
+"鹴"=>"鸘",
+"鹾"=>"鹺",
+"麦"=>"麥",
+"麸"=>"麩",
+"麽"=>"麼",
+"黄"=>"黃",
+"黉"=>"黌",
+"黡"=>"黶",
+"黩"=>"黷",
+"黪"=>"黲",
+"黾"=>"黽",
+"鼋"=>"黿",
+"鼍"=>"鼉",
+"鼗"=>"鞀",
+"鼹"=>"鼴",
+"齐"=>"齊",
+"齑"=>"齏",
+"齿"=>"齒",
+"龀"=>"齔",
+"龁"=>"齕",
+"龂"=>"齗",
+"龃"=>"齟",
+"龄"=>"齡",
+"龅"=>"齙",
+"龆"=>"齠",
+"龇"=>"齜",
+"龈"=>"齦",
+"龉"=>"齬",
+"龊"=>"齪",
+"龋"=>"齲",
+"龌"=>"齷",
+"龙"=>"龍",
+"龚"=>"龔",
+"龛"=>"龕",
+"龟"=>"龜",
+
+"BIG-" => 	"BIG-",
+".PRG" => 	".PRG",
+"一伙" => 	"一伙",
+"一并" => 	"一併",
+"一准" => 	"一准",
+"一划" => 	"一划",
+"一地里" => 	"一地裡",
+"一干" => 	"一干",
+"一树百获" => 	"一樹百穫",
+"一台" => 	"一臺",
+"一冲" => 	"一衝",
+"一只" => 	"一隻",
+"一发千钧" => 	"一髮千鈞",
+"一出" => 	"一齣",
+"七只" => 	"七隻",
+"三元里" => 	"三元裡",
+"三国志" => 	"三國誌",
+"三复" => 	"三複",
+"三只" => 	"三隻",
+"上吊" => 	"上吊",
+"上台" => 	"上臺",
+"下不了台" => 	"下不了臺",
+"下台" => 	"下臺",
+"下面" => 	"下麵",
+"不准" => 	"不准",
+"不吊" => 	"不吊",
+"不干" => 	"不幹",
+"不舍" => 	"不捨",
+"不知所云" => 	"不知所云",
+"不识台举" => 	"不識檯舉",
+"不锈钢" => 	"不鏽鋼",
+"丑剧" => 	"丑劇",
+"丑旦" => 	"丑旦",
+"丑角" => 	"丑角",
+"世界杯" => 	"世界盃",
+"并存着" => 	"並存著",
+"中岳" => 	"中嶽",
+"中台路" => 	"中臺路",
+"中台医专" => 	"中臺醫專",
+"丰南" => 	"丰南",
+"丰台" => 	"丰台",
+"丰姿" => 	"丰姿",
+"丰神俊朗" => 	"丰神俊朗",
+"丰采" => 	"丰采",
+"丰韵" => 	"丰韻",
+"主干" => 	"主幹",
+"九世之雠" => 	"九世之讎",
+"九只" => 	"九隻",
+"干丝" => 	"乾絲",
+"干着急" => 	"乾著急",
+"干面" => 	"乾麵",
+"乱发" => 	"亂髮",
+"云云" => 	"云云",
+"云何" => 	"云何",
+"云尔" => 	"云爾",
+"五岳" => 	"五嶽",
+"五斗柜" => 	"五斗櫃",
+"五斗橱" => 	"五斗櫥",
+"五斗米" => 	"五斗米",
+"五谷" => 	"五穀",
+"五行生克" => 	"五行生剋",
+"五只" => 	"五隻",
+"五出" => 	"五齣",
+"井里" => 	"井裡",
+"交卷" => 	"交卷",
+"人云亦云" => 	"人云亦云",
+"人物志" => 	"人物誌",
+"什锦面" => 	"什錦麵",
+"什么" => 	"什麼",
+"仆倒" => 	"仆倒",
+"仇雠" => 	"仇讎",
+"介系词" => 	"介係詞",
+"介系词" => 	"介繫詞",
+"仿制" => 	"仿製",
+"伙伕" => 	"伙伕",
+"伙伴" => 	"伙伴",
+"伙同" => 	"伙同",
+"伙夫" => 	"伙夫",
+"伙房" => 	"伙房",
+"伙计" => 	"伙計",
+"伙食" => 	"伙食",
+"布下" => 	"佈下",
+"布告" => 	"佈告",
+"布哨" => 	"佈哨",
+"布局" => 	"佈局",
+"布岗" => 	"佈崗",
+"布施" => 	"佈施",
+"布景" => 	"佈景",
+"布有" => 	"佈有",
+"布满" => 	"佈滿",
+"布线" => 	"佈線",
+"布置" => 	"佈置",
+"布署" => 	"佈署",
+"布道" => 	"佈道",
+"布达" => 	"佈達",
+"布防" => 	"佈防",
+"布阵" => 	"佈陣",
+"布雷" => 	"佈雷",
+"体育锻鍊" => 	"体育鍛鍊",
+"何干" => 	"何干",
+"作准" => 	"作准",
+"佣人" => 	"佣人",
+"佣工" => 	"佣工",
+"佣金" => 	"佣金",
+"并入" => 	"併入",
+"并列" => 	"併列",
+"并到" => 	"併到",
+"并合" => 	"併合",
+"并吞" => 	"併吞",
+"并在" => 	"併在",
+"并成" => 	"併成",
+"并排" => 	"併排",
+"并拢" => 	"併攏",
+"并案" => 	"併案",
+"并为" => 	"併為",
+"并发" => 	"併發",
+"并科" => 	"併科",
+"并购" => 	"併購",
+"并进" => 	"併進",
+"来复" => 	"來複",
+"供制" => 	"供製",
+"侵并" => 	"侵併",
+"便辟" => 	"便辟",
+"系数" => 	"係數",
+"系为" => 	"係為",
+"保险柜" => 	"保險柜",
+"信号台" => 	"信號臺",
+"修复" => 	"修複",
+"修胡刀" => 	"修鬍刀",
+"俯冲" => 	"俯衝",
+"个里" => 	"個裡",
+"倒绷孩儿" => 	"倒繃孩兒",
+"借着" => 	"借著",
+"偃仆" => 	"偃仆",
+"假发" => 	"假髮",
+"停制" => 	"停製",
+"偷鸡不着" => 	"偷雞不著",
+"家伙" => 	"傢伙",
+"家俱" => 	"傢俱",
+"家具" => 	"傢具",
+"传布" => 	"傳佈",
+"债台高筑" => 	"債臺高築",
+"傻里傻气" => 	"傻裡傻氣",
+"倾复" => 	"傾複",
+"倾复" => 	"傾覆",
+"僱佣" => 	"僱佣",
+"仪表" => 	"儀錶",
+"亿只" => 	"億隻",
+"尽尽" => 	"儘儘",
+"尽先" => 	"儘先",
+"尽其所有" => 	"儘其所有",
+"尽力" => 	"儘力",
+"尽可能" => 	"儘可能",
+"尽快" => 	"儘快",
+"尽早" => 	"儘早",
+"尽是" => 	"儘是",
+"尽管" => 	"儘管",
+"尽速" => 	"儘速",
+"尽量" => 	"儘量",
+"允准" => 	"允准",
+"兄台" => 	"兄臺",
+"充饥" => 	"充饑",
+"光采" => 	"光采",
+"克里" => 	"克裡",
+"克复" => 	"克複",
+"入伙" => 	"入伙",
+"内制" => 	"內製",
+"两只" => 	"兩隻",
+"八字胡" => 	"八字鬍",
+"八只" => 	"八隻",
+"公布" => 	"公佈",
+"公干" => 	"公幹",
+"公斗" => 	"公斗",
+"公历" => 	"公曆",
+"公里" => 	"公裡",
+"六谷" => 	"六穀",
+"六只" => 	"六隻",
+"六出" => 	"六齣",
+"兼并" => 	"兼併",
+"册卷" => 	"冊卷",
+"冤雠" => 	"冤讎",
+"准予" => 	"准予",
+"准假" => 	"准假",
+"准定" => 	"准定",
+"准将" => 	"准將",
+"准尉" => 	"准尉",
+"准此" => 	"准此",
+"准考证" => 	"准考證",
+"准许" => 	"准許",
+"几几" => 	"几几",
+"几杖" => 	"几杖",
+"几案" => 	"几案",
+"几筵" => 	"几筵",
+"几丝" => 	"几絲",
+"凹洞里" => 	"凹洞裡",
+"出征" => 	"出征",
+"函复" => 	"函覆",
+"刀削面" => 	"刀削麵",
+"刁斗" => 	"刁斗",
+"分布" => 	"分佈",
+"切面" => 	"切麵",
+"刊布" => 	"刊佈",
+"划上" => 	"划上",
+"划下" => 	"划下",
+"划不来" => 	"划不來",
+"划了" => 	"划了",
+"划具" => 	"划具",
+"划出" => 	"划出",
+"划到" => 	"划到",
+"划动" => 	"划動",
+"划去" => 	"划去",
+"划子" => 	"划子",
+"划得来" => 	"划得來",
+"划拳" => 	"划拳",
+"划桨" => 	"划槳",
+"划水" => 	"划水",
+"划算" => 	"划算",
+"划船" => 	"划船",
+"划艇" => 	"划艇",
+"划着" => 	"划著",
+"划着走" => 	"划著走",
+"划行" => 	"划行",
+"划走" => 	"划走",
+"划起" => 	"划起",
+"划进" => 	"划進",
+"划过" => 	"划過",
+"初征" => 	"初征",
+"别致" => 	"別緻",
+"别着" => 	"別著",
+"别只" => 	"別隻",
+"利比里亚" => 	"利比裡亞",
+"刮着" => 	"刮著",
+"刮胡刀" => 	"刮鬍刀",
+"剃发" => 	"剃髮",
+"剃须" => 	"剃鬚",
+"削发" => 	"削髮",
+"克制" => 	"剋制",
+"克扣" => 	"剋扣",
+"克日" => 	"剋日",
+"克星" => 	"剋星",
+"克服" => 	"剋服",
+"克期" => 	"剋期",
+"克死" => 	"剋死",
+"克薄" => 	"剋薄",
+"前仆后仰" => 	"前仆後仰",
+"前仆后继" => 	"前仆後繼",
+"前台" => 	"前臺",
+"前车之复" => 	"前車之覆",
+"刚才" => 	"剛纔",
+"剥制" => 	"剝製",
+"剪发" => 	"剪髮",
+"割舍" => 	"割捨",
+"创获" => 	"創穫",
+"创制" => 	"創製",
+"加里宁" => 	"加裡寧",
+"劳力士表" => 	"勞力士錶",
+"包准" => 	"包准",
+"包谷" => 	"包穀",
+"匏系" => 	"匏繫",
+"北岳" => 	"北嶽",
+"北斗" => 	"北斗",
+"北回" => 	"北迴",
+"匡复" => 	"匡複",
+"匪干" => 	"匪幹",
+"十卷" => 	"十卷",
+"十干" => 	"十干",
+"十台" => 	"十臺",
+"十只" => 	"十隻",
+"十出" => 	"十齣",
+"千百只" => 	"千百隻",
+"千丝万缕" => 	"千絲萬縷",
+"千回百折" => 	"千迴百折",
+"千回百转" => 	"千迴百轉",
+"千钧一发" => 	"千鈞一髮",
+"千只" => 	"千隻",
+"升斗小民" => 	"升斗小民",
+"半只" => 	"半隻",
+"南岳" => 	"南嶽",
+"南征" => 	"南征",
+"南斗" => 	"南斗",
+"南台" => 	"南臺",
+"南回" => 	"南迴",
+"卡里" => 	"卡裡",
+"印制" => 	"印製",
+"卷入" => 	"卷入",
+"卷取" => 	"卷取",
+"卷土重来" => 	"卷土重來",
+"卷子" => 	"卷子",
+"卷宗" => 	"卷宗",
+"卷尺" => 	"卷尺",
+"卷层云" => 	"卷層雲",
+"卷帙" => 	"卷帙",
+"卷扬机" => 	"卷揚機",
+"卷曲" => 	"卷曲",
+"卷染" => 	"卷染",
+"卷烟" => 	"卷煙",
+"卷筒" => 	"卷筒",
+"卷纬" => 	"卷緯",
+"卷绕" => 	"卷繞",
+"卷舌" => 	"卷舌",
+"卷装" => 	"卷裝",
+"卷轴" => 	"卷軸",
+"卷云" => 	"卷雲",
+"卷领" => 	"卷領",
+"卷发" => 	"卷髮",
+"卷须" => 	"卷鬚",
+"厚朴" => 	"厚朴",
+"参与" => 	"參与",
+"参与者" => 	"參与者",
+"参合" => 	"參合",
+"参考价值" => 	"參考價值",
+"参与" => 	"參與",
+"参与人员" => 	"參與人員",
+"参与制" => 	"參與制",
+"参与感" => 	"參與感",
+"参与者" => 	"參與者",
+"参观团" => 	"參觀團",
+"参观团体" => 	"參觀團體",
+"参阅" => 	"參閱",
+"反冲" => 	"反衝",
+"反复" => 	"反複",
+"反复" => 	"反覆",
+"取舍" => 	"取捨",
+"口里" => 	"口裡",
+"古柯咸" => 	"古柯鹹",
+"只准" => 	"只准",
+"只冲" => 	"只衝",
+"叮当" => 	"叮噹",
+"可怜虫" => 	"可憐虫",
+"可紧可松" => 	"可緊可鬆",
+"台制" => 	"台製",
+"司令台" => 	"司令臺",
+"吃着不尽" => 	"吃著不盡",
+"吃里扒外" => 	"吃裡扒外",
+"吃里爬外" => 	"吃裡爬外",
+"各吊" => 	"各吊",
+"合伙" => 	"合伙",
+"合并" => 	"合併",
+"合着" => 	"合著",
+"合着者" => 	"合著者",
+"吊上" => 	"吊上",
+"吊下" => 	"吊下",
+"吊了" => 	"吊了",
+"吊个" => 	"吊個",
+"吊儿郎当" => 	"吊兒郎當",
+"吊到" => 	"吊到",
+"吊去" => 	"吊去",
+"吊取" => 	"吊取",
+"吊吊" => 	"吊吊",
+"吊嗓" => 	"吊嗓",
+"吊好" => 	"吊好",
+"吊子" => 	"吊子",
+"吊带" => 	"吊帶",
+"吊带裤" => 	"吊帶褲",
+"吊床" => 	"吊床",
+"吊得" => 	"吊得",
+"吊挂" => 	"吊掛",
+"吊挂着" => 	"吊掛著",
+"吊杆" => 	"吊杆",
+"吊架" => 	"吊架",
+"吊桶" => 	"吊桶",
+"吊杆" => 	"吊桿",
+"吊桥" => 	"吊橋",
+"吊死" => 	"吊死",
+"吊灯" => 	"吊燈",
+"吊环" => 	"吊環",
+"吊盘" => 	"吊盤",
+"吊索" => 	"吊索",
+"吊着" => 	"吊著",
+"吊装" => 	"吊裝",
+"吊裤" => 	"吊褲",
+"吊裤带" => 	"吊褲帶",
+"吊袜" => 	"吊襪",
+"吊走" => 	"吊走",
+"吊起" => 	"吊起",
+"吊车" => 	"吊車",
+"吊钩" => 	"吊鉤",
+"吊销" => 	"吊銷",
+"吊钟" => 	"吊鐘",
+"同伙" => 	"同伙",
+"名表" => 	"名錶",
+"後冠" => 	"后冠",
+"後北街" => 	"后北街",
+"後土" => 	"后土",
+"後妃" => 	"后妃",
+"後安路" => 	"后安路",
+"後平路" => 	"后平路",
+"後座" => 	"后座",
+"後稷" => 	"后稷",
+"後羿" => 	"后羿",
+"後街" => 	"后街",
+"後里" => 	"后里",
+"向着" => 	"向著",
+"吞并" => 	"吞併",
+"吹发" => 	"吹髮",
+"吕後" => 	"呂后",
+"呆里呆气" => 	"呆裡呆氣",
+"呈准" => 	"呈准",
+"周而复始" => 	"周而複始",
+"呼吁" => 	"呼籲",
+"和面" => 	"和麵",
+"哪里" => 	"哪裡",
+"哭脏" => 	"哭髒",
+"问卷" => 	"問卷",
+"喝采" => 	"喝采",
+"乔岳" => 	"喬嶽",
+"单干" => 	"單干",
+"单只" => 	"單隻",
+"嘴里" => 	"嘴裏",
+"嘴里" => 	"嘴裡",
+"恶心" => 	"噁心",
+"当啷" => 	"噹啷",
+"当当" => 	"噹噹",
+"噜苏" => 	"嚕囌",
+"向导" => 	"嚮導",
+"向往" => 	"嚮往",
+"向应" => 	"嚮應",
+"向日" => 	"嚮日",
+"向迩" => 	"嚮邇",
+"严丝合缝" => 	"嚴絲合縫",
+"严复" => 	"嚴複",
+"囉苏" => 	"囉囌",
+"四舍五入" => 	"四捨五入",
+"四只" => 	"四隻",
+"四出" => 	"四齣",
+"回历新年" => 	"回曆新年",
+"回丝" => 	"回絲",
+"回着" => 	"回著",
+"回复" => 	"回覆",
+"回采" => 	"回采",
+"圈子里" => 	"圈子裡",
+"圈里" => 	"圈裡",
+"国历" => 	"國曆",
+"国雠" => 	"國讎",
+"园里" => 	"園裡",
+"圆台" => 	"圓臺",
+"图里" => 	"圖裡",
+"土里" => 	"土裡",
+"土制" => 	"土製",
+"地志" => 	"地誌",
+"坍台" => 	"坍臺",
+"坑里" => 	"坑裡",
+"垂发" => 	"垂髮",
+"垮台" => 	"垮臺",
+"埃及豔後" => 	"埃及豔后",
+"埃荣冲" => 	"埃榮衝",
+"埋布" => 	"埋佈",
+"城里" => 	"城裡",
+"基干" => 	"基幹",
+"报复" => 	"報複",
+"塌台" => 	"塌臺",
+"塔台" => 	"塔臺",
+"涂着" => 	"塗著",
+"墓志" => 	"墓誌",
+"墨斗" => 	"墨斗",
+"墨索里尼" => 	"墨索裡尼",
+"垦复" => 	"墾複",
+"压卷" => 	"壓卷",
+"垄断价格" => 	"壟斷價格",
+"垄断资产" => 	"壟斷資產",
+"垄断集团" => 	"壟斷集團",
+"壶里" => 	"壺裡",
+"寿面" => 	"壽麵",
+"夏天里" => 	"夏天裡",
+"夏历" => 	"夏曆",
+"外制" => 	"外製",
+"多冲" => 	"多衝",
+"多采多姿" => 	"多采多姿",
+"多么" => 	"多麼",
+"夜光表" => 	"夜光錶",
+"夜里" => 	"夜裡",
+"梦里" => 	"夢裡",
+"大伙" => 	"大伙",
+"大卷" => 	"大卷",
+"大干" => 	"大干",
+"大干" => 	"大幹",
+"大辟" => 	"大辟",
+"大只" => 	"大隻",
+"天後" => 	"天后",
+"天干" => 	"天干",
+"天文台" => 	"天文臺",
+"天翻地复" => 	"天翻地覆",
+"太後" => 	"太后",
+"奏折" => 	"奏摺",
+"女丑" => 	"女丑",
+"女佣" => 	"女佣",
+"好家夥" => 	"好傢夥",
+"好戏连台" => 	"好戲連臺",
+"好困" => 	"好睏",
+"如饥似渴" => 	"如饑似渴",
+"妆台" => 	"妝臺",
+"姜太公" => 	"姜太公",
+"姜子牙" => 	"姜子牙",
+"姜丝" => 	"姜絲",
+"字汇" => 	"字彙",
+"字里行间" => 	"字裡行間",
+"存折" => 	"存摺",
+"孟姜女" => 	"孟姜女",
+"宇宙志" => 	"宇宙誌",
+"宋皇台道" => 	"宋皇臺道",
+"定准" => 	"定准",
+"定制" => 	"定製",
+"宣布" => 	"宣佈",
+"宫里" => 	"宮裡",
+"家伙" => 	"家伙",
+"家里" => 	"家裏",
+"家里" => 	"家裡",
+"密布" => 	"密佈",
+"密致" => 	"密緻",
+"寇雠" => 	"寇讎",
+"富台街" => 	"富臺街",
+"寓禁于征" => 	"寓禁於征",
+"实干" => 	"實幹",
+"写字台" => 	"寫字檯",
+"写字台" => 	"寫字臺",
+"宽松" => 	"寬鬆",
+"宝卷" => 	"寶卷",
+"宝里宝气" => 	"寶裡寶氣",
+"封後" => 	"封后",
+"封面里" => 	"封面裡",
+"射干" => 	"射干",
+"对表" => 	"對錶",
+"小丑" => 	"小丑",
+"小伙" => 	"小伙",
+"小只" => 	"小隻",
+"少吊" => 	"少吊",
+"就里" => 	"就裡",
+"尺布斗粟" => 	"尺布斗粟",
+"尼克松" => 	"尼克鬆",
+"尼采" => 	"尼采",
+"尿斗" => 	"尿斗",
+"局里" => 	"局裡",
+"居里" => 	"居裡",
+"屋子里" => 	"屋子裡",
+"屋里" => 	"屋裡",
+"展布" => 	"展佈",
+"展卷" => 	"展卷",
+"屡仆屡起" => 	"屢仆屢起",
+"屯里" => 	"屯裡",
+"山岳" => 	"山嶽",
+"山斗" => 	"山斗",
+"山里" => 	"山裡",
+"山重水复" => 	"山重水複",
+"岱岳" => 	"岱嶽",
+"峰回" => 	"峰迴",
+"岳岳" => 	"嶽嶽",
+"巅复" => 	"巔覆",
+"巡回" => 	"巡迴",
+"巧干" => 	"巧幹",
+"巴尔干" => 	"巴爾幹",
+"巴里" => 	"巴裡",
+"巷里" => 	"巷裡",
+"市里" => 	"市裡",
+"布谷" => 	"布穀",
+"希腊" => 	"希腊",
+"帘子" => 	"帘子",
+"帘布" => 	"帘布",
+"席卷" => 	"席卷",
+"带团参加" => 	"帶團參加",
+"带发修行" => 	"帶髮修行",
+"干世" => 	"干世",
+"干休" => 	"干休",
+"干系" => 	"干係",
+"干冒" => 	"干冒",
+"干卿何事" => 	"干卿何事",
+"干卿底事" => 	"干卿底事",
+"干城" => 	"干城",
+"干将" => 	"干將",
+"干德道" => 	"干德道",
+"干戈" => 	"干戈",
+"干挠" => 	"干撓",
+"干扰" => 	"干擾",
+"干支" => 	"干支",
+"干政" => 	"干政",
+"干时" => 	"干時",
+"干没" => 	"干沒",
+"干涉" => 	"干涉",
+"干犯" => 	"干犯",
+"干禄" => 	"干祿",
+"干与" => 	"干與",
+"干着急" => 	"干著急",
+"干诺道中" => 	"干諾道中",
+"干诺道西" => 	"干諾道西",
+"干谒" => 	"干謁",
+"干证" => 	"干證",
+"干誉" => 	"干譽",
+"干贝" => 	"干貝",
+"干连" => 	"干連",
+"干云蔽日" => 	"干雲蔽日",
+"干预" => 	"干預",
+"平台" => 	"平臺",
+"年历" => 	"年曆",
+"年里" => 	"年裡",
+"干上" => 	"幹上",
+"干下去" => 	"幹下去",
+"干不了" => 	"幹不了",
+"干不成" => 	"幹不成",
+"干了" => 	"幹了",
+"干事" => 	"幹事",
+"干些" => 	"幹些",
+"干个" => 	"幹個",
+"干劲" => 	"幹勁",
+"干员" => 	"幹員",
+"干啥" => 	"幹啥",
+"干吗" => 	"幹嗎",
+"干嘛" => 	"幹嘛",
+"干坏事" => 	"幹壞事",
+"干完" => 	"幹完",
+"干将" => 	"幹將",
+"干得" => 	"幹得",
+"干性油" => 	"幹性油",
+"干才" => 	"幹才",
+"干掉" => 	"幹掉",
+"干校" => 	"幹校",
+"干活" => 	"幹活",
+"干流" => 	"幹流",
+"干球温度" => 	"幹球溫度",
+"干略" => 	"幹略",
+"干线" => 	"幹線",
+"干练" => 	"幹練",
+"干警" => 	"幹警",
+"干起来" => 	"幹起來",
+"干路" => 	"幹路",
+"干办" => 	"幹辦",
+"干这一行" => 	"幹這一行",
+"干这种事" => 	"幹這種事",
+"干道" => 	"幹道",
+"干部" => 	"幹部",
+"干么" => 	"幹麼",
+"几丝" => 	"幾絲",
+"几只" => 	"幾隻",
+"几出" => 	"幾齣",
+"底里" => 	"底裡",
+"店里" => 	"店裡",
+"康采恩" => 	"康采恩",
+"庙里" => 	"廟裡",
+"建台" => 	"建臺",
+"弄脏" => 	"弄髒",
+"弔卷" => 	"弔卷",
+"弘历" => 	"弘曆",
+"强干弱枝" => 	"強幹弱枝",
+"别扭" => 	"彆扭",
+"别拗" => 	"彆拗",
+"别气" => 	"彆氣",
+"别脚" => 	"彆腳",
+"别着" => 	"彆著",
+"弹子台" => 	"彈子檯",
+"弹珠台" => 	"彈珠檯",
+"弹药" => 	"彈葯",
+"汇刊" => 	"彙刊",
+"汇报" => 	"彙報",
+"汇整" => 	"彙整",
+"汇算" => 	"彙算",
+"汇编" => 	"彙編",
+"汇总" => 	"彙總",
+"汇纂" => 	"彙纂",
+"汇辑" => 	"彙輯",
+"汇集" => 	"彙集",
+"形单影只" => 	"形單影隻",
+"影後" => 	"影后",
+"往里" => 	"往裡",
+"往复" => 	"往複",
+"征伐" => 	"征伐",
+"征兵" => 	"征兵",
+"征利" => 	"征利",
+"征尘" => 	"征塵",
+"征夫" => 	"征夫",
+"征属" => 	"征屬",
+"征帆" => 	"征帆",
+"征戌" => 	"征戌",
+"征战" => 	"征戰",
+"征收" => 	"征收",
+"征服" => 	"征服",
+"征求" => 	"征求",
+"征发" => 	"征發",
+"征衣" => 	"征衣",
+"征讨" => 	"征討",
+"征途" => 	"征途",
+"后台" => 	"後臺",
+"从里到外" => 	"從裡到外",
+"从里向外" => 	"從裡向外",
+"复雠" => 	"復讎",
+"复辟" => 	"復辟",
+"德干高原" => 	"德干高原",
+"心愿" => 	"心愿",
+"心里" => 	"心裏",
+"心里" => 	"心裡",
+"忙里" => 	"忙裡",
+"快干" => 	"快幹",
+"快冲" => 	"快衝",
+"怎么" => 	"怎麼",
+"怎么着" => 	"怎麼著",
+"急冲而下" => 	"急衝而下",
+"怪里怪气" => 	"怪裡怪氣",
+"恩准" => 	"恩准",
+"情有所钟" => 	"情有所鍾",
+"情有独钟" => 	"情有獨鍾",
+"意面" => 	"意麵",
+"慌里慌张" => 	"慌裡慌張",
+"慰借" => 	"慰藉",
+"忧郁" => 	"憂郁",
+"凭吊" => 	"憑吊",
+"凭借" => 	"憑藉",
+"凭借着" => 	"憑藉著",
+"蒙懂" => 	"懞懂",
+"怀里" => 	"懷裡",
+"怀表" => 	"懷錶",
+"悬吊" => 	"懸吊",
+"悬心吊胆" => 	"懸心吊膽",
+"戏台" => 	"戲臺",
+"戴表" => 	"戴錶",
+"戽斗" => 	"戽斗",
+"房里" => 	"房裡",
+"手不释卷" => 	"手不釋卷",
+"手卷" => 	"手卷",
+"手折" => 	"手摺",
+"手里" => 	"手裏",
+"手里" => 	"手裡",
+"手表" => 	"手錶",
+"手松" => 	"手鬆",
+"才干" => 	"才幹",
+"才高八斗" => 	"才高八斗",
+"打谷" => 	"打穀",
+"扞御" => 	"扞禦",
+"批准" => 	"批准",
+"批复" => 	"批複",
+"批复" => 	"批覆",
+"承制" => 	"承製",
+"抗御" => 	"抗禦",
+"折冲" => 	"折衝",
+"披复" => 	"披覆",
+"披发" => 	"披髮",
+"抱朴" => 	"抱朴",
+"抵御" => 	"抵禦",
+"拆伙" => 	"拆伙",
+"拆台" => 	"拆臺",
+"拈须" => 	"拈鬚",
+"拉纤" => 	"拉縴",
+"拉面" => 	"拉麵",
+"拖吊" => 	"拖吊",
+"拗别" => 	"拗彆",
+"拮据" => 	"拮据",
+"捍御" => 	"捍禦",
+"舍不得" => 	"捨不得",
+"舍出" => 	"捨出",
+"舍去" => 	"捨去",
+"舍命" => 	"捨命",
+"舍己从人" => 	"捨己從人",
+"舍己救人" => 	"捨己救人",
+"舍己为人" => 	"捨己為人",
+"舍己为公" => 	"捨己為公",
+"舍己为国" => 	"捨己為國",
+"舍得" => 	"捨得",
+"舍我其谁" => 	"捨我其誰",
+"舍本逐末" => 	"捨本逐末",
+"舍弃" => 	"捨棄",
+"舍死忘生" => 	"捨死忘生",
+"舍生" => 	"捨生",
+"舍短取长" => 	"捨短取長",
+"舍身" => 	"捨身",
+"舍车保帅" => 	"捨車保帥",
+"舍近求远" => 	"捨近求遠",
+"捲发" => 	"捲髮",
+"捵面" => 	"捵麵",
+"掌柜" => 	"掌柜",
+"排骨面" => 	"排骨麵",
+"挂帘" => 	"掛帘",
+"挂面" => 	"掛麵",
+"接着说" => 	"接著說",
+"掩卷" => 	"掩卷",
+"提心吊胆" => 	"提心吊膽",
+"插图卷" => 	"插圖卷",
+"换吊" => 	"換吊",
+"换只" => 	"換隻",
+"换发" => 	"換髮",
+"握发" => 	"握髮",
+"搭伙" => 	"搭伙",
+"折合" => 	"摺合",
+"折奏" => 	"摺奏",
+"折子" => 	"摺子",
+"折尺" => 	"摺尺",
+"折扇" => 	"摺扇",
+"折梯" => 	"摺梯",
+"折椅" => 	"摺椅",
+"折叠" => 	"摺疊",
+"折痕" => 	"摺痕",
+"折篷" => 	"摺篷",
+"折纸" => 	"摺紙",
+"折裙" => 	"摺裙",
+"撒布" => 	"撒佈",
+"撚须" => 	"撚鬚",
+"撞球台" => 	"撞球檯",
+"擂台" => 	"擂臺",
+"担仔面" => 	"擔仔麵",
+"担担面" => 	"擔擔麵",
+"担着" => 	"擔著",
+"担负着" => 	"擔負著",
+"据云" => 	"據云",
+"擢发难数" => 	"擢髮難數",
+"拟准" => 	"擬准",
+"摆布" => 	"擺佈",
+"摄制" => 	"攝製",
+"支干" => 	"支幹",
+"收获" => 	"收穫",
+"改制" => 	"改製",
+"攻克" => 	"攻剋",
+"放松" => 	"放鬆",
+"故布疑阵" => 	"故佈疑陣",
+"叙说着" => 	"敘說著",
+"散伙" => 	"散伙",
+"散布" => 	"散佈",
+"散发" => 	"散髮",
+"整只" => 	"整隻",
+"整出" => 	"整齣",
+"敌忾同雠" => 	"敵愾同讎",
+"文借" => 	"文藉",
+"文采" => 	"文采",
+"斗亚兰路" => 	"斗亞蘭路",
+"斗六" => 	"斗六",
+"斗南" => 	"斗南",
+"斗大" => 	"斗大",
+"斗子" => 	"斗子",
+"斗室" => 	"斗室",
+"斗宿" => 	"斗宿",
+"斗方" => 	"斗方",
+"斗栱" => 	"斗栱",
+"斗笠" => 	"斗笠",
+"斗筲" => 	"斗筲",
+"斗箕" => 	"斗箕",
+"斗篷" => 	"斗篷",
+"斗胆" => 	"斗膽",
+"斗蓬" => 	"斗蓬",
+"斗转参横" => 	"斗轉參橫",
+"斗量" => 	"斗量",
+"斗门" => 	"斗門",
+"料斗" => 	"料斗",
+"斤斗" => 	"斤斗",
+"斯里兰卡" => 	"斯裡蘭卡",
+"新历" => 	"新曆",
+"断头台" => 	"斷頭臺",
+"断发文身" => 	"斷髮文身",
+"方才" => 	"方纔",
+"方志" => 	"方誌",
+"施舍" => 	"施捨",
+"旋绕着" => 	"旋繞著",
+"旋回" => 	"旋迴",
+"族里" => 	"族裡",
+"日历" => 	"日曆",
+"日志" => 	"日誌",
+"日进斗金" => 	"日進斗金",
+"明了" => 	"明瞭",
+"明窗净几" => 	"明窗淨几",
+"明里" => 	"明裡",
+"星斗" => 	"星斗",
+"星历" => 	"星曆",
+"星移斗换" => 	"星移斗換",
+"星移斗转" => 	"星移斗轉",
+"星罗棋布" => 	"星羅棋佈",
+"星辰表" => 	"星辰錶",
+"春假里" => 	"春假裡",
+"春天里" => 	"春天裡",
+"景致" => 	"景緻",
+"暗地里" => 	"暗地裡",
+"暗沟里" => 	"暗溝裡",
+"暗里" => 	"暗裡",
+"暴敛横征" => 	"暴斂橫征",
+"历数" => 	"曆數",
+"历书" => 	"曆書",
+"历法" => 	"曆法",
+"历象" => 	"曆象",
+"书卷" => 	"書卷",
+"会干" => 	"會幹",
+"会里" => 	"會裡",
+"月历" => 	"月曆",
+"月台" => 	"月臺",
+"有只" => 	"有隻",
+"木制" => 	"木製",
+"本台" => 	"本臺",
+"朴子" => 	"朴子",
+"朴实" => 	"朴實",
+"朴忠" => 	"朴忠",
+"朴直" => 	"朴直",
+"朴硝" => 	"朴硝",
+"朴素" => 	"朴素",
+"朴茂" => 	"朴茂",
+"朴资茅斯" => 	"朴資茅斯",
+"朴钝" => 	"朴鈍",
+"材干" => 	"材幹",
+"村里" => 	"村裡",
+"杜老志道" => 	"杜老誌道",
+"束发" => 	"束髮",
+"杯面" => 	"杯麵",
+"东岳" => 	"東嶽",
+"东征" => 	"東征",
+"松赞干布" => 	"松贊干布",
+"板着脸" => 	"板著臉",
+"枕借" => 	"枕藉",
+"林宏岳" => 	"林宏嶽",
+"枝干" => 	"枝幹",
+"枯干" => 	"枯幹",
+"某只" => 	"某隻",
+"染发" => 	"染髮",
+"柜上" => 	"柜上",
+"柜台" => 	"柜台",
+"柜子" => 	"柜子",
+"柜柳" => 	"柜柳",
+"查卷" => 	"查卷",
+"查号台" => 	"查號臺",
+"校雠学" => 	"校讎學",
+"核准" => 	"核准",
+"核复" => 	"核覆",
+"格里" => 	"格裡",
+"案准" => 	"案准",
+"案卷" => 	"案卷",
+"条干" => 	"條幹",
+"梯冲" => 	"梯衝",
+"械系" => 	"械繫",
+"棉卷" => 	"棉卷",
+"棉制" => 	"棉製",
+"植发" => 	"植髮",
+"楼台" => 	"樓臺",
+"标志着" => 	"標志著",
+"标致" => 	"標緻",
+"标志" => 	"標誌",
+"模制" => 	"模製",
+"树干" => 	"樹幹",
+"横征暴敛" => 	"橫征暴斂",
+"横冲" => 	"橫衝",
+"档卷" => 	"檔卷",
+"检复" => 	"檢覆",
+"台子" => 	"檯子",
+"台布" => 	"檯布",
+"台灯" => 	"檯燈",
+"台球" => 	"檯球",
+"台面" => 	"檯面",
+"柜台" => 	"櫃檯",
+"柜台" => 	"櫃臺",
+"栏干" => 	"欄干",
+"欺蒙" => 	"欺矇",
+"歌後" => 	"歌后",
+"歌台舞榭" => 	"歌臺舞榭",
+"欧几里得" => 	"歐幾裡得",
+"正当着" => 	"正當著",
+"此仆彼起" => 	"此仆彼起",
+"武後" => 	"武后",
+"武松" => 	"武鬆",
+"归并" => 	"歸併",
+"死里求生" => 	"死裡求生",
+"死里逃生" => 	"死裡逃生",
+"残卷" => 	"殘卷",
+"杀虫药" => 	"殺虫藥",
+"壳里" => 	"殼裡",
+"母後" => 	"母后",
+"每只" => 	"每隻",
+"比干" => 	"比干",
+"毛卷" => 	"毛卷",
+"毛坏" => 	"毛坏",
+"毛发" => 	"毛髮",
+"毫发" => 	"毫髮",
+"气冲斗牛" => 	"氣沖斗牛",
+"气冲牛斗" => 	"氣沖牛斗",
+"气象台" => 	"氣象臺",
+"水斗" => 	"水斗",
+"水里" => 	"水裡",
+"水表" => 	"水錶",
+"永历" => 	"永曆",
+"永志不忘" => 	"永誌不忘",
+"污蔑" => 	"汙衊",
+"江干" => 	"江干",
+"池里" => 	"池裡",
+"污蔑" => 	"污衊",
+"沈着" => 	"沈著",
+"没事干" => 	"沒事幹",
+"没精打采" => 	"沒精打采",
+"冲着" => 	"沖著",
+"沙里淘金" => 	"沙裡淘金",
+"河岳" => 	"河嶽",
+"河里" => 	"河裡",
+"油面" => 	"油麵",
+"泡制" => 	"泡製",
+"泡面" => 	"泡麵",
+"泰斗" => 	"泰斗",
+"洗发" => 	"洗髮",
+"派团参加" => 	"派團參加",
+"浪琴表" => 	"浪琴錶",
+"浮吊" => 	"浮吊",
+"海里" => 	"海裡",
+"涂着" => 	"涂著",
+"液晶表" => 	"液晶錶",
+"凉面" => 	"涼麵",
+"淡朱" => 	"淡硃",
+"渊淳岳峙" => 	"淵淳嶽峙",
+"渠冲" => 	"渠衝",
+"测验卷" => 	"測驗卷",
+"港制" => 	"港製",
+"凑合着" => 	"湊合著",
+"湖里" => 	"湖裡",
+"汤团" => 	"湯糰",
+"汤面" => 	"湯麵",
+"温郁" => 	"溫郁",
+"卤制" => 	"滷製",
+"卤面" => 	"滷麵",
+"满布" => 	"滿佈",
+"漏斗" => 	"漏斗",
+"演奏台" => 	"演奏臺",
+"潜意识里" => 	"潛意識裡",
+"潭里" => 	"潭裡",
+"浓郁" => 	"濃郁",
+"浓发" => 	"濃髮",
+"湿地松" => 	"濕地鬆",
+"蒙蒙" => 	"濛濛",
+"蒙雾" => 	"濛霧",
+"蒙鸿" => 	"濛鴻",
+"瀛台" => 	"瀛臺",
+"弥漫" => 	"瀰漫",
+"弥漫着" => 	"瀰漫著",
+"漓江" => 	"灕江",
+"火并" => 	"火併",
+"灰蒙" => 	"灰濛",
+"炒面" => 	"炒麵",
+"炮制" => 	"炮製",
+"炸药" => 	"炸葯",
+"炸酱面" => 	"炸醬麵",
+"为着" => 	"為著",
+"乌干达" => 	"烏干達",
+"乌苏里江" => 	"烏蘇裡江",
+"乌发" => 	"烏髮",
+"乌龙面" => 	"烏龍麵",
+"烘制" => 	"烘製",
+"烽火台" => 	"烽火臺",
+"无干" => 	"無干",
+"无精打采" => 	"無精打采",
+"炼制" => 	"煉製",
+"烟卷儿" => 	"煙卷兒",
+"烟斗" => 	"煙斗",
+"烟斗丝" => 	"煙斗絲",
+"烟台" => 	"煙臺",
+"照准" => 	"照准",
+"熨斗" => 	"熨斗",
+"灯台" => 	"燈臺",
+"燎发" => 	"燎髮",
+"烫发" => 	"燙髮",
+"烫面" => 	"燙麵",
+"烛台" => 	"燭臺",
+"炉台" => 	"爐臺",
+"墙里" => 	"牆裡",
+"片言只语" => 	"片言隻語",
+"牛肉面" => 	"牛肉麵",
+"牛只" => 	"牛隻",
+"特准" => 	"特准",
+"特征" => 	"特征",
+"特里" => 	"特裡",
+"特制" => 	"特製",
+"牵系" => 	"牽繫",
+"狼借" => 	"狼藉",
+"猛冲" => 	"猛衝",
+"奖杯" => 	"獎盃",
+"获准" => 	"獲准",
+"率团参加" => 	"率團參加",
+"王侯後" => 	"王侯后",
+"王後" => 	"王后",
+"班里" => 	"班裡",
+"理发" => 	"理髮",
+"瑶台" => 	"瑤臺",
+"甚么" => 	"甚麼",
+"甜面酱" => 	"甜麵醬",
+"生力面" => 	"生力麵",
+"生锈" => 	"生鏽",
+"生发" => 	"生髮",
+"田里" => 	"田裡",
+"由馀" => 	"由余",
+"由表及里" => 	"由表及裡",
+"男佣" => 	"男佣",
+"男用表" => 	"男用錶",
+"留发" => 	"留髮",
+"畚斗" => 	"畚斗",
+"当着" => 	"當著",
+"疏松" => 	"疏鬆",
+"疑系" => 	"疑係",
+"疲困" => 	"疲睏",
+"病症" => 	"病癥",
+"症候" => 	"癥候",
+"症状" => 	"癥狀",
+"症结" => 	"癥結",
+"登台" => 	"登臺",
+"发布" => 	"發佈",
+"发蒙" => 	"發矇",
+"发着" => 	"發著",
+"发面" => 	"發麵",
+"发霉" => 	"發黴",
+"白卷" => 	"白卷",
+"白干儿" => 	"白干兒",
+"白里透红" => 	"白裡透紅",
+"白发" => 	"白髮",
+"白面" => 	"白麵",
+"百谷" => 	"百穀",
+"百里" => 	"百裡",
+"百只" => 	"百隻",
+"皇後" => 	"皇后",
+"皇历" => 	"皇曆",
+"皓发" => 	"皓髮",
+"皮里阳秋" => 	"皮裏陽秋",
+"皮里春秋" => 	"皮裡春秋",
+"皮制" => 	"皮製",
+"皱折" => 	"皺摺",
+"盒里" => 	"盒裡",
+"监制" => 	"監製",
+"盘里" => 	"盤裡",
+"盘回" => 	"盤迴",
+"直接参与" => 	"直接參与",
+"直冲" => 	"直衝",
+"相克" => 	"相剋",
+"相干" => 	"相干",
+"相冲" => 	"相衝",
+"看台" => 	"看臺",
+"眼帘" => 	"眼帘",
+"眼眶里" => 	"眼眶裡",
+"眼里" => 	"眼裡",
+"困乏" => 	"睏乏",
+"困倦" => 	"睏倦",
+"睡着了" => 	"睡著了",
+"了如" => 	"瞭如",
+"了望" => 	"瞭望",
+"了然" => 	"瞭然",
+"了若指掌" => 	"瞭若指掌",
+"了解" => 	"瞭解",
+"瞳蒙" => 	"瞳矇",
+"蒙住" => 	"矇住",
+"蒙昧无知" => 	"矇昧無知",
+"蒙混" => 	"矇混",
+"蒙蒙" => 	"矇矇",
+"蒙眬" => 	"矇矓",
+"蒙蔽" => 	"矇蔽",
+"蒙骗" => 	"矇騙",
+"短发" => 	"短髮",
+"矮几" => 	"矮几",
+"石英表" => 	"石英錶",
+"石莼" => 	"石蓴",
+"研制" => 	"研製",
+"砰当" => 	"砰噹",
+"砲台" => 	"砲臺",
+"朱唇皓齿" => 	"硃唇皓齒",
+"朱批" => 	"硃批",
+"朱砂" => 	"硃砂",
+"朱笔" => 	"硃筆",
+"朱红色" => 	"硃紅色",
+"朱色" => 	"硃色",
+"朱谕" => 	"硃諭",
+"硬干" => 	"硬幹",
+"砚台" => 	"硯臺",
+"碑志" => 	"碑誌",
+"磁制" => 	"磁製",
+"磨制" => 	"磨製",
+"示复" => 	"示覆",
+"社里" => 	"社裡",
+"神采" => 	"神采",
+"御侮" => 	"禦侮",
+"御寇" => 	"禦寇",
+"御寒" => 	"禦寒",
+"御敌" => 	"禦敵",
+"礼义干橹" => 	"禮義干櫓",
+"秃发" => 	"禿髮",
+"秀斗" => 	"秀斗",
+"秀发" => 	"秀髮",
+"私下里" => 	"私下裡",
+"秋天里" => 	"秋天裡",
+"秋裤" => 	"秋褲",
+"秒表" => 	"秒錶",
+"稀松" => 	"稀鬆",
+"禀复" => 	"稟覆",
+"稻谷" => 	"稻穀",
+"稽征" => 	"稽征",
+"谷人" => 	"穀人",
+"谷保家商" => 	"穀保家商",
+"谷仓" => 	"穀倉",
+"谷场" => 	"穀場",
+"谷子" => 	"穀子",
+"谷梁" => 	"穀梁",
+"谷壳" => 	"穀殼",
+"谷物" => 	"穀物",
+"谷皮" => 	"穀皮",
+"谷神" => 	"穀神",
+"谷谷" => 	"穀穀",
+"谷粒" => 	"穀粒",
+"谷舱" => 	"穀艙",
+"谷苗" => 	"穀苗",
+"谷草" => 	"穀草",
+"谷贱伤农" => 	"穀賤傷農",
+"谷道" => 	"穀道",
+"谷雨" => 	"穀雨",
+"谷类" => 	"穀類",
+"谷风" => 	"穀風",
+"积极参与" => 	"積极參与",
+"积极参加" => 	"積极參加",
+"积谷防饥" => 	"積穀防饑",
+"空蒙" => 	"空濛",
+"窗帘" => 	"窗帘",
+"窗明几净" => 	"窗明几淨",
+"窗台" => 	"窗檯",
+"窗台" => 	"窗臺",
+"窝里" => 	"窩裡",
+"窝阔台" => 	"窩闊臺",
+"穷发" => 	"窮髮",
+"站台" => 	"站臺",
+"笆斗" => 	"笆斗",
+"笑里藏刀" => 	"笑裡藏刀",
+"第一卷" => 	"第一卷",
+"筋斗" => 	"筋斗",
+"答卷" => 	"答卷",
+"答复" => 	"答複",
+"答复" => 	"答覆",
+"筵几" => 	"筵几",
+"箕斗" => 	"箕斗",
+"算历" => 	"算曆",
+"签着" => 	"簽著",
+"吁求" => 	"籲求",
+"吁请" => 	"籲請",
+"粗制" => 	"粗製",
+"粗卤" => 	"粗鹵",
+"精干" => 	"精幹",
+"精明强干" => 	"精明強幹",
+"精致" => 	"精緻",
+"精制" => 	"精製",
+"精辟" => 	"精辟",
+"精采" => 	"精采",
+"糊里糊涂" => 	"糊裡糊塗",
+"团子" => 	"糰子",
+"系着" => 	"系著",
+"系里" => 	"系裡",
+"纪历" => 	"紀曆",
+"红绳系足" => 	"紅繩繫足",
+"红发" => 	"紅髮",
+"纡回" => 	"紆迴",
+"纳采" => 	"納采",
+"素食面" => 	"素食麵",
+"素发" => 	"素髮",
+"素面" => 	"素麵",
+"紫微斗数" => 	"紫微斗數",
+"细致" => 	"細緻",
+"组里" => 	"組裡",
+"结发" => 	"結髮",
+"绝对参照" => 	"絕對參照",
+"丝来线去" => 	"絲來線去",
+"丝布" => 	"絲布",
+"丝板" => 	"絲板",
+"丝瓜布" => 	"絲瓜布",
+"丝绒布" => 	"絲絨布",
+"丝线" => 	"絲線",
+"丝织厂" => 	"絲織廠",
+"丝虫" => 	"絲蟲",
+"綑吊" => 	"綑吊",
+"经卷" => 	"經卷",
+"维系" => 	"維繫",
+"绾发" => 	"綰髮",
+"网里" => 	"網裡",
+"紧绷" => 	"緊繃",
+"紧绷着" => 	"緊繃著",
+"编制" => 	"編製",
+"编发" => 	"編髮",
+"缓冲" => 	"緩衝",
+"致密" => 	"緻密",
+"萦回" => 	"縈迴",
+"县里" => 	"縣裡",
+"县志" => 	"縣誌",
+"缝里" => 	"縫裡",
+"缝制" => 	"縫製",
+"纤夫" => 	"縴夫",
+"纤手" => 	"縴手",
+"繁复" => 	"繁複",
+"绷住" => 	"繃住",
+"绷子" => 	"繃子",
+"绷带" => 	"繃帶",
+"绷紧" => 	"繃緊",
+"绷脸" => 	"繃臉",
+"绷着" => 	"繃著",
+"绷着脸" => 	"繃著臉",
+"绷着脸儿" => 	"繃著臉兒",
+"绷开" => 	"繃開",
+"绘制" => 	"繪製",
+"系上" => 	"繫上",
+"系世" => 	"繫世",
+"系到" => 	"繫到",
+"系囚" => 	"繫囚",
+"系心" => 	"繫心",
+"系念" => 	"繫念",
+"系怀" => 	"繫懷",
+"系恋" => 	"繫戀",
+"系数" => 	"繫數",
+"系于" => 	"繫於",
+"系系" => 	"繫系",
+"系结" => 	"繫結",
+"系紧" => 	"繫緊",
+"系绳" => 	"繫繩",
+"系累" => 	"繫纍",
+"系着" => 	"繫著",
+"系辞" => 	"繫辭",
+"系风捕影" => 	"繫風捕影",
+"缴卷" => 	"繳卷",
+"累囚" => 	"纍囚",
+"累累" => 	"纍纍",
+"坛子" => 	"罈子",
+"坛坛罐罐" => 	"罈罈罐罐",
+"骂着" => 	"罵著",
+"羁系" => 	"羈繫",
+"美制" => 	"美製",
+"美发" => 	"美髮",
+"翻来复去" => 	"翻來覆去",
+"翻天复地" => 	"翻天覆地",
+"翻复" => 	"翻覆",
+"翻云复雨" => 	"翻雲覆雨",
+"老么" => 	"老么",
+"老板" => 	"老闆",
+"考卷" => 	"考卷",
+"耕获" => 	"耕穫",
+"聊斋志异" => 	"聊齋誌異",
+"联系" => 	"聯係",
+"联系" => 	"聯繫",
+"肉丝面" => 	"肉絲麵",
+"肉羹面" => 	"肉羹麵",
+"肉松" => 	"肉鬆",
+"肚里" => 	"肚裏",
+"肚里" => 	"肚裡",
+"肢体" => 	"肢体",
+"胃里" => 	"胃裡",
+"背向着" => 	"背向著",
+"背地里" => 	"背地裡",
+"胡里胡涂" => 	"胡裡胡塗",
+"能干" => 	"能幹",
+"脉冲" => 	"脈衝",
+"脱发" => 	"脫髮",
+"腊味" => 	"腊味",
+"腊笔" => 	"腊筆",
+"腊肉" => 	"腊肉",
+"脑子里" => 	"腦子裡",
+"腰里" => 	"腰裡",
+"胶卷" => 	"膠卷",
+"膨松" => 	"膨鬆",
+"自制" => 	"自製",
+"自觉自愿" => 	"自覺自愿",
+"台上" => 	"臺上",
+"台下" => 	"臺下",
+"台中" => 	"臺中",
+"台儿庄" => 	"臺兒莊",
+"台北" => 	"臺北",
+"台南" => 	"臺南",
+"台地" => 	"臺地",
+"台塑" => 	"臺塑",
+"台大" => 	"臺大",
+"台币" => 	"臺幣",
+"台座" => 	"臺座",
+"台东" => 	"臺東",
+"台柱" => 	"臺柱",
+"台榭" => 	"臺榭",
+"台机路" => 	"臺機路",
+"台步" => 	"臺步",
+"台汽" => 	"臺汽",
+"台海" => 	"臺海",
+"台澎金马" => 	"臺澎金馬",
+"台湾" => 	"臺灣",
+"台灯" => 	"臺燈",
+"台球" => 	"臺球",
+"台省" => 	"臺省",
+"台端" => 	"臺端",
+"台糖" => 	"臺糖",
+"台肥" => 	"臺肥",
+"台航" => 	"臺航",
+"台西" => 	"臺西",
+"台视" => 	"臺視",
+"台词" => 	"臺詞",
+"台车" => 	"臺車",
+"台铁" => 	"臺鐵",
+"台阶" => 	"臺階",
+"台电" => 	"臺電",
+"台面" => 	"臺面",
+"舂谷" => 	"舂穀",
+"兴致" => 	"興緻",
+"兴高采烈" => 	"興高采烈",
+"旧历" => 	"舊曆",
+"舒卷" => 	"舒卷",
+"舞榭歌台" => 	"舞榭歌臺",
+"舞台" => 	"舞臺",
+"航海历" => 	"航海曆",
+"船只" => 	"船隻",
+"舰只" => 	"艦隻",
+"芬郁" => 	"芬郁",
+"花卷" => 	"花卷",
+"花盆里" => 	"花盆裡",
+"花采" => 	"花采",
+"苑里" => 	"苑裡",
+"若干" => 	"若干",
+"若干" => 	"若幹",
+"苦干" => 	"苦幹",
+"苦里" => 	"苦裏",
+"苦卤" => 	"苦鹵",
+"范仲淹" => 	"范仲淹",
+"范蠡" => 	"范蠡",
+"范阳" => 	"范陽",
+"茅台" => 	"茅臺",
+"茶几" => 	"茶几",
+"草丛里" => 	"草叢裡",
+"庄里" => 	"莊裡",
+"茎干" => 	"莖幹",
+"菌丝体" => 	"菌絲体",
+"菌丝体" => 	"菌絲體",
+"华里" => 	"華裡",
+"华发" => 	"華髮",
+"万卷" => 	"萬卷",
+"万历" => 	"萬曆",
+"万只" => 	"萬隻",
+"落发" => 	"落髮",
+"着儿" => 	"著兒",
+"着书立说" => 	"著書立說",
+"着色软体" => 	"著色軟體",
+"着重指出" => 	"著重指出",
+"着录" => 	"著錄",
+"着录规则" => 	"著錄規則",
+"蓄发" => 	"蓄髮",
+"蓄须" => 	"蓄鬚",
+"蓬发" => 	"蓬髮",
+"蓬松" => 	"蓬鬆",
+"莲台" => 	"蓮臺",
+"薑丝" => 	"薑絲",
+"薙发" => 	"薙髮",
+"借以" => 	"藉以",
+"借助" => 	"藉助",
+"借口" => 	"藉口",
+"借故" => 	"藉故",
+"借机" => 	"藉機",
+"借此" => 	"藉此",
+"借由" => 	"藉由",
+"借端" => 	"藉端",
+"借着" => 	"藉著",
+"借借" => 	"藉藉",
+"借词" => 	"藉詞",
+"借资" => 	"藉資",
+"借酒浇愁" => 	"藉酒澆愁",
+"藤制" => 	"藤製",
+"蕴含着" => 	"蘊含著",
+"蕴涵着" => 	"蘊涵著",
+"蕴借" => 	"蘊藉",
+"萝卜" => 	"蘿蔔",
+"虎须" => 	"虎鬚",
+"号志" => 	"號誌",
+"蜂後" => 	"蜂后",
+"蜜里调油" => 	"蜜裡調油",
+"蠁干" => 	"蠁幹",
+"蛮干" => 	"蠻幹",
+"行事历" => 	"行事曆",
+"胡同" => 	"衚衕",
+"冲上" => 	"衝上",
+"冲下" => 	"衝下",
+"冲来" => 	"衝來",
+"冲倒" => 	"衝倒",
+"冲冠" => 	"衝冠",
+"冲出" => 	"衝出",
+"冲到" => 	"衝到",
+"冲刺" => 	"衝刺",
+"冲克" => 	"衝剋",
+"冲力" => 	"衝力",
+"冲劲" => 	"衝勁",
+"冲动" => 	"衝動",
+"冲去" => 	"衝去",
+"冲口" => 	"衝口",
+"冲垮" => 	"衝垮",
+"冲堂" => 	"衝堂",
+"冲压" => 	"衝壓",
+"冲天" => 	"衝天",
+"冲掉" => 	"衝掉",
+"冲撞" => 	"衝撞",
+"冲击" => 	"衝擊",
+"冲散" => 	"衝散",
+"冲决" => 	"衝決",
+"冲浪" => 	"衝浪",
+"冲激" => 	"衝激",
+"冲破" => 	"衝破",
+"冲程" => 	"衝程",
+"冲突" => 	"衝突",
+"冲线" => 	"衝線",
+"冲着" => 	"衝著",
+"冲冲" => 	"衝衝",
+"冲要" => 	"衝要",
+"冲起" => 	"衝起",
+"冲进" => 	"衝進",
+"冲过" => 	"衝過",
+"冲锋" => 	"衝鋒",
+"表里" => 	"表裡",
+"袋里" => 	"袋裡",
+"袖里" => 	"袖裡",
+"被里" => 	"被裡",
+"被复" => 	"被複",
+"被复" => 	"被覆",
+"被复着" => 	"被覆著",
+"被发" => 	"被髮",
+"裁并" => 	"裁併",
+"裁制" => 	"裁製",
+"里面" => 	"裏面",
+"里人" => 	"裡人",
+"里加" => 	"裡加",
+"里外" => 	"裡外",
+"里子" => 	"裡子",
+"里屋" => 	"裡屋",
+"里层" => 	"裡層",
+"里布" => 	"裡布",
+"里带" => 	"裡帶",
+"里弦" => 	"裡弦",
+"里应外合" => 	"裡應外合",
+"里拉" => 	"裡拉",
+"里斯" => 	"裡斯",
+"里海" => 	"裡海",
+"里脊" => 	"裡脊",
+"里衣" => 	"裡衣",
+"里里" => 	"裡裡",
+"里通外国" => 	"裡通外國",
+"里通外敌" => 	"裡通外敵",
+"里边" => 	"裡邊",
+"里间" => 	"裡間",
+"里面" => 	"裡面",
+"里头" => 	"裡頭",
+"制件" => 	"製件",
+"制作" => 	"製作",
+"制做" => 	"製做",
+"制备" => 	"製備",
+"制冰" => 	"製冰",
+"制冷" => 	"製冷",
+"制剂" => 	"製劑",
+"制品" => 	"製品",
+"制图" => 	"製圖",
+"制成" => 	"製成",
+"制法" => 	"製法",
+"制为" => 	"製為",
+"制片" => 	"製片",
+"制版" => 	"製版",
+"制程" => 	"製程",
+"制糖" => 	"製糖",
+"制纸" => 	"製紙",
+"制药" => 	"製藥",
+"制表" => 	"製表",
+"制裁" => 	"製裁",
+"制造" => 	"製造",
+"制革" => 	"製革",
+"制鞋" => 	"製鞋",
+"制盐" => 	"製鹽",
+"复仞年如" => 	"複仞年如",
+"复以百万" => 	"複以百萬",
+"复位" => 	"複位",
+"复信" => 	"複信",
+"复分数" => 	"複分數",
+"复列" => 	"複列",
+"复利" => 	"複利",
+"复印" => 	"複印",
+"复原" => 	"複原",
+"复句" => 	"複句",
+"复合" => 	"複合",
+"复名" => 	"複名",
+"复员" => 	"複員",
+"复壁" => 	"複壁",
+"复壮" => 	"複壯",
+"复姓" => 	"複姓",
+"复字键" => 	"複字鍵",
+"复审" => 	"複審",
+"复写" => 	"複寫",
+"复式" => 	"複式",
+"复复" => 	"複復",
+"复数" => 	"複數",
+"复本" => 	"複本",
+"复查" => 	"複查",
+"复核" => 	"複核",
+"复检" => 	"複檢",
+"复次" => 	"複次",
+"复比" => 	"複比",
+"复决" => 	"複決",
+"复活" => 	"複活",
+"复测" => 	"複測",
+"复亩珍" => 	"複畝珍",
+"复发" => 	"複發",
+"复目" => 	"複目",
+"复眼" => 	"複眼",
+"复种" => 	"複種",
+"复线" => 	"複線",
+"复习" => 	"複習",
+"复兴社" => 	"複興社",
+"复旧" => 	"複舊",
+"复色" => 	"複色",
+"复叶" => 	"複葉",
+"复盖" => 	"複蓋",
+"复苏" => 	"複蘇",
+"复制" => 	"複製",
+"复诊" => 	"複診",
+"复评" => 	"複評",
+"复词" => 	"複詞",
+"复试" => 	"複試",
+"复课" => 	"複課",
+"复议" => 	"複議",
+"复变函数" => 	"複變函數",
+"复赛" => 	"複賽",
+"复述" => 	"複述",
+"复选" => 	"複選",
+"复钱" => 	"複錢",
+"复阅" => 	"複閱",
+"复杂" => 	"複雜",
+"复电" => 	"複電",
+"复音" => 	"複音",
+"复韵" => 	"複韻",
+"衬里" => 	"襯裡",
+"西岳" => 	"西嶽",
+"西征" => 	"西征",
+"西历" => 	"西曆",
+"要冲" => 	"要衝",
+"要么" => 	"要麼",
+"复上" => 	"覆上",
+"复亡" => 	"覆亡",
+"复住" => 	"覆住",
+"复信" => 	"覆信",
+"复冒" => 	"覆冒",
+"复判" => 	"覆判",
+"复命" => 	"覆命",
+"复在" => 	"覆在",
+"复审" => 	"覆審",
+"复写" => 	"覆寫",
+"复巢" => 	"覆巢",
+"复成" => 	"覆成",
+"复败" => 	"覆敗",
+"复文" => 	"覆文",
+"复校" => 	"覆校",
+"复核" => 	"覆核",
+"复水难收" => 	"覆水難收",
+"复没" => 	"覆沒",
+"复灭" => 	"覆滅",
+"复叠" => 	"覆疊",
+"复盆" => 	"覆盆",
+"复舟" => 	"覆舟",
+"复着" => 	"覆著",
+"复盖" => 	"覆蓋",
+"复盖着" => 	"覆蓋著",
+"复试" => 	"覆試",
+"复诵" => 	"覆誦",
+"复议" => 	"覆議",
+"复车" => 	"覆車",
+"复载" => 	"覆載",
+"复辙" => 	"覆轍",
+"复述" => 	"覆述",
+"复选" => 	"覆選",
+"复电" => 	"覆電",
+"复鼎金" => 	"覆鼎金",
+"见复" => 	"見覆",
+"亲征" => 	"親征",
+"观众台" => 	"觀眾臺",
+"观台" => 	"觀臺",
+"观象台" => 	"觀象臺",
+"角落里" => 	"角落裡",
+"觔斗" => 	"觔斗",
+"触须" => 	"觸鬚",
+"订制" => 	"訂製",
+"诉说着" => 	"訴說著",
+"词汇" => 	"詞彙",
+"词采" => 	"詞采",
+"试卷" => 	"試卷",
+"试制" => 	"試製",
+"诗卷" => 	"詩卷",
+"话里有话" => 	"話裡有話",
+"志哀" => 	"誌哀",
+"志喜" => 	"誌喜",
+"志庆" => 	"誌慶",
+"语云" => 	"語云",
+"语汇" => 	"語彙",
+"诬蔑" => 	"誣衊",
+"诵经台" => 	"誦經臺",
+"说着" => 	"說著",
+"课征" => 	"課征",
+"调制" => 	"調製",
+"调频台" => 	"調頻臺",
+"请参阅" => 	"請參閱",
+"讲台" => 	"講臺",
+"谢绝参观" => 	"謝絕參觀",
+"护发" => 	"護髮",
+"雠正" => 	"讎正",
+"雠隙" => 	"讎隙",
+"豆腐干" => 	"豆腐干",
+"竖着" => 	"豎著",
+"丰富多采" => 	"豐富多采",
+"丰滨" => 	"豐濱",
+"丰滨乡" => 	"豐濱鄉",
+"丰采" => 	"豐采",
+"象征着" => 	"象徵著",
+"贵干" => 	"貴幹",
+"贾後" => 	"賈后",
+"赈饥" => 	"賑饑",
+"赐复" => 	"賜覆",
+"贤後" => 	"賢后",
+"质朴" => 	"質朴",
+"赌台" => 	"賭檯",
+"购并" => 	"購併",
+"赤绳系足" => 	"赤繩繫足",
+"赤松" => 	"赤鬆",
+"起吊" => 	"起吊",
+"起复" => 	"起複",
+"超级杯" => 	"超級盃",
+"赶制" => 	"趕製",
+"跟斗" => 	"跟斗",
+"跳表" => 	"跳錶",
+"蹈借" => 	"蹈藉",
+"踬仆" => 	"躓仆",
+"躯干" => 	"軀幹",
+"车库里" => 	"車庫裡",
+"车站里" => 	"車站裡",
+"车里" => 	"車裡",
+"轻松" => 	"輕鬆",
+"轮回" => 	"輪迴",
+"转台" => 	"轉檯",
+"辛丑" => 	"辛丑",
+"辟易" => 	"辟易",
+"辟邪" => 	"辟邪",
+"办伙" => 	"辦伙",
+"办公台" => 	"辦公檯",
+"辞汇" => 	"辭彙",
+"农历" => 	"農曆",
+"迂回" => 	"迂迴",
+"近日里" => 	"近日裡",
+"迥然回异" => 	"迥然迴異",
+"回光返照" => 	"迴光返照",
+"回向" => 	"迴向",
+"回圈" => 	"迴圈",
+"回廊" => 	"迴廊",
+"回形夹" => 	"迴形夾",
+"回文" => 	"迴文",
+"回旋" => 	"迴旋",
+"回流" => 	"迴流",
+"回环" => 	"迴環",
+"回盪" => 	"迴盪",
+"回纹针" => 	"迴紋針",
+"回绕" => 	"迴繞",
+"回翔" => 	"迴翔",
+"回肠" => 	"迴腸",
+"回荡" => 	"迴蕩",
+"回诵" => 	"迴誦",
+"回路" => 	"迴路",
+"回转" => 	"迴轉",
+"回递性" => 	"迴遞性",
+"回避" => 	"迴避",
+"回銮" => 	"迴鑾",
+"回音" => 	"迴音",
+"回响" => 	"迴響",
+"回风" => 	"迴風",
+"回首" => 	"迴首",
+"迷蒙" => 	"迷濛",
+"退伙" => 	"退伙",
+"这么着" => 	"這么著",
+"这里" => 	"這裏",
+"这里" => 	"這裡",
+"这只" => 	"這隻",
+"这么" => 	"這麼",
+"这么着" => 	"這麼著",
+"通心面" => 	"通心麵",
+"速食面" => 	"速食麵",
+"连系" => 	"連繫",
+"连台好戏" => 	"連臺好戲",
+"遍布" => 	"遍佈",
+"递回" => 	"遞迴",
+"远征" => 	"遠征",
+"适才" => 	"適纔",
+"遮复" => 	"遮覆",
+"还冲" => 	"還衝",
+"邋里邋遢" => 	"邋裡邋遢",
+"那里" => 	"那裏",
+"那里" => 	"那裡",
+"那只" => 	"那隻",
+"那么" => 	"那麼",
+"那么着" => 	"那麼著",
+"邪辟" => 	"邪辟",
+"郁烈" => 	"郁烈",
+"郁穆" => 	"郁穆",
+"郁郁" => 	"郁郁",
+"郁闭" => 	"郁閉",
+"郁馥" => 	"郁馥",
+"乡愿" => 	"鄉愿",
+"乡里" => 	"鄉裡",
+"邻里" => 	"鄰裡",
+"配合着" => 	"配合著",
+"配制" => 	"配製",
+"酒杯" => 	"酒盃",
+"酒坛" => 	"酒罈",
+"酥松" => 	"酥鬆",
+"醋坛" => 	"醋罈",
+"酝借" => 	"醞藉",
+"酝酿着" => 	"醞釀著",
+"医药" => 	"醫葯",
+"醲郁" => 	"醲郁",
+"酿制" => 	"釀製",
+"采地" => 	"采地",
+"采女" => 	"采女",
+"采声" => 	"采聲",
+"采色" => 	"采色",
+"采薇" => 	"采薇",
+"采薪之忧" => 	"采薪之憂",
+"采兰赠药" => 	"采蘭贈藥",
+"采邑" => 	"采邑",
+"采采" => 	"采采",
+"采风" => 	"采風",
+"里程表" => 	"里程錶",
+"重折" => 	"重摺",
+"重制" => 	"重製",
+"重复" => 	"重複",
+"重复" => 	"重覆",
+"野台戏" => 	"野臺戲",
+"金斗" => 	"金斗",
+"金装玉里" => 	"金裝玉裡",
+"金表" => 	"金錶",
+"金发" => 	"金髮",
+"银朱" => 	"銀硃",
+"银发" => 	"銀髮",
+"铜制" => 	"銅製",
+"铝制" => 	"鋁製",
+"钢制" => 	"鋼製",
+"录着" => 	"錄著",
+"录制" => 	"錄製",
+"表带" => 	"錶帶",
+"表店" => 	"錶店",
+"表厂" => 	"錶廠",
+"表壳" => 	"錶殼",
+"表链" => 	"錶鏈",
+"表面" => 	"錶面",
+"锅台" => 	"鍋臺",
+"锻鍊出" => 	"鍛鍊出",
+"锻鍊身体" => 	"鍛鍊身体",
+"镜台" => 	"鏡臺",
+"锈病" => 	"鏽病",
+"锈菌" => 	"鏽菌",
+"锈蚀" => 	"鏽蝕",
+"钟表" => 	"鐘錶",
+"铁锈" => 	"鐵鏽",
+"长征" => 	"長征",
+"长发" => 	"長髮",
+"长须鲸" => 	"長鬚鯨",
+"门帘" => 	"門帘",
+"门斗" => 	"門斗",
+"门里" => 	"門裡",
+"开伙" => 	"開伙",
+"开卷" => 	"開卷",
+"开诚布公" => 	"開誠佈公",
+"开采" => 	"開采",
+"閒情逸致" => 	"閒情逸緻",
+"间不容发" => 	"間不容髮",
+"闵采尔" => 	"閔采爾",
+"阅卷" => 	"閱卷",
+"阑干" => 	"闌干",
+"关系" => 	"關係",
+"关系着" => 	"關係著",
+"防御" => 	"防禦",
+"防锈" => 	"防鏽",
+"防台" => 	"防颱",
+"阿斗" => 	"阿斗",
+"阿里" => 	"阿裡",
+"除旧布新" => 	"除舊佈新",
+"阴干" => 	"陰干",
+"阴历" => 	"陰曆",
+"阴郁" => 	"陰郁",
+"陆征祥" => 	"陸征祥",
+"阳春面" => 	"陽春麵",
+"阳历" => 	"陽曆",
+"阳台" => 	"陽臺",
+"只字" => 	"隻字",
+"只影" => 	"隻影",
+"只手遮天" => 	"隻手遮天",
+"只眼" => 	"隻眼",
+"只言片语" => 	"隻言片語",
+"只身" => 	"隻身",
+"雅致" => 	"雅緻",
+"雇佣" => 	"雇佣",
+"双折" => 	"雙摺",
+"杂志" => 	"雜誌",
+"鸡丝" => 	"雞絲",
+"鸡丝面" => 	"雞絲麵",
+"鸡腿面" => 	"雞腿麵",
+"鸡只" => 	"雞隻",
+"难舍" => 	"難捨",
+"雨花台" => 	"雨花臺",
+"雪里" => 	"雪裡",
+"云须" => 	"雲鬚",
+"电子表" => 	"電子錶",
+"电台" => 	"電臺",
+"电冲" => 	"電衝",
+"电复" => 	"電覆",
+"电视台" => 	"電視臺",
+"电表" => 	"電錶",
+"雾台" => 	"霧臺",
+"雾里" => 	"霧裡",
+"露台" => 	"露臺",
+"灵台" => 	"靈臺",
+"青瓦台" => 	"青瓦臺",
+"青霉" => 	"青黴",
+"面朝着" => 	"面朝著",
+"面临着" => 	"面臨著",
+"鞋里" => 	"鞋裡",
+"鞣制" => 	"鞣製",
+"秋千" => 	"鞦韆",
+"鞭辟入里" => 	"鞭辟入裡",
+"韩国制" => 	"韓國製",
+"韩制" => 	"韓製",
+"颂系" => 	"頌繫",
+"预制" => 	"預製",
+"颁布" => 	"頒佈",
+"头里" => 	"頭裡",
+"头发" => 	"頭髮",
+"颊须" => 	"頰鬚",
+"颠仆" => 	"顛仆",
+"颠复" => 	"顛複",
+"颠复" => 	"顛覆",
+"显着标志" => 	"顯著標志",
+"风土志" => 	"風土誌",
+"风斗" => 	"風斗",
+"风物志" => 	"風物誌",
+"风里" => 	"風裡",
+"风采" => 	"風采",
+"台风" => 	"颱風",
+"刮了" => 	"颳了",
+"刮倒" => 	"颳倒",
+"刮去" => 	"颳去",
+"刮得" => 	"颳得",
+"刮着" => 	"颳著",
+"刮走" => 	"颳走",
+"刮起" => 	"颳起",
+"刮风" => 	"颳風",
+"饭团" => 	"飯糰",
+"饼干" => 	"餅干",
+"馄饨面" => 	"餛飩麵",
+"饥不择食" => 	"饑不擇食",
+"饥寒" => 	"饑寒",
+"饥民" => 	"饑民",
+"饥渴" => 	"饑渴",
+"饥溺" => 	"饑溺",
+"饥荒" => 	"饑荒",
+"饥饱" => 	"饑飽",
+"饥饿" => 	"饑餓",
+"饥馑" => 	"饑饉",
+"首当其冲" => 	"首當其衝",
+"香郁" => 	"香郁",
+"馥郁" => 	"馥郁",
+"马里" => 	"馬裡",
+"马表" => 	"馬錶",
+"腾冲" => 	"騰衝",
+"骨子里" => 	"骨子裡",
+"骨干" => 	"骨幹",
+"骨灰坛" => 	"骨灰罈",
+"肮脏" => 	"骯髒",
+"脏乱" => 	"髒亂",
+"脏了" => 	"髒了",
+"脏兮兮" => 	"髒兮兮",
+"脏字" => 	"髒字",
+"脏得" => 	"髒得",
+"脏东西" => 	"髒東西",
+"脏水" => 	"髒水",
+"脏的" => 	"髒的",
+"脏话" => 	"髒話",
+"脏钱" => 	"髒錢",
+"高干" => 	"高幹",
+"高台" => 	"高臺",
+"髭须" => 	"髭鬚",
+"发型" => 	"髮型",
+"发夹" => 	"髮夾",
+"发妻" => 	"髮妻",
+"发姐" => 	"髮姐",
+"发带" => 	"髮帶",
+"发廊" => 	"髮廊",
+"发式" => 	"髮式",
+"发指" => 	"髮指",
+"发捲" => 	"髮捲",
+"发根" => 	"髮根",
+"发毛" => 	"髮毛",
+"发油" => 	"髮油",
+"发状" => 	"髮狀",
+"发短心长" => 	"髮短心長",
+"发端" => 	"髮端",
+"发结" => 	"髮結",
+"发丝" => 	"髮絲",
+"发网" => 	"髮網",
+"发肤" => 	"髮膚",
+"发胶" => 	"髮膠",
+"发菜" => 	"髮菜",
+"发蜡" => 	"髮蠟",
+"发辫" => 	"髮辮",
+"发针" => 	"髮針",
+"发长" => 	"髮長",
+"发际" => 	"髮際",
+"发雕" => 	"髮雕",
+"发霜" => 	"髮霜",
+"发髻" => 	"髮髻",
+"发鬓" => 	"髮鬢",
+"鬅松" => 	"鬅鬆",
+"松了" => 	"鬆了",
+"松些" => 	"鬆些",
+"松劲" => 	"鬆勁",
+"松动" => 	"鬆動",
+"松口" => 	"鬆口",
+"松土" => 	"鬆土",
+"松弛" => 	"鬆弛",
+"松快" => 	"鬆快",
+"松懈" => 	"鬆懈",
+"松手" => 	"鬆手",
+"松掉" => 	"鬆掉",
+"松散" => 	"鬆散",
+"松林" => 	"鬆林",
+"松柔" => 	"鬆柔",
+"松毛虫" => 	"鬆毛蟲",
+"松浮" => 	"鬆浮",
+"松涛" => 	"鬆濤",
+"松科" => 	"鬆科",
+"松节油" => 	"鬆節油",
+"松绑" => 	"鬆綁",
+"松紧" => 	"鬆緊",
+"松缓" => 	"鬆緩",
+"松脆" => 	"鬆脆",
+"松脱" => 	"鬆脫",
+"松起" => 	"鬆起",
+"松软" => 	"鬆軟",
+"松通" => 	"鬆通",
+"松开" => 	"鬆開",
+"松饼" => 	"鬆餅",
+"松松" => 	"鬆鬆",
+"鬈发" => 	"鬈髮",
+"胡子" => 	"鬍子",
+"胡梢" => 	"鬍梢",
+"胡渣" => 	"鬍渣",
+"胡髭" => 	"鬍髭",
+"胡须" => 	"鬍鬚",
+"须根" => 	"鬚根",
+"须毛" => 	"鬚毛",
+"须生" => 	"鬚生",
+"须眉" => 	"鬚眉",
+"须发" => 	"鬚髮",
+"须须" => 	"鬚鬚",
+"鬓发" => 	"鬢髮",
+"斗着" => 	"鬥著",
+"闹着玩儿" => 	"鬧著玩儿",
+"闹着玩儿" => 	"鬧著玩兒",
+"郁郁" => 	"鬱郁",
+"魂牵梦系" => 	"魂牽夢繫",
+"鱼松" => 	"魚鬆",
+"鲸须" => 	"鯨鬚",
+"鲇鱼" => 	"鯰魚",
+"鸿篇巨制" => 	"鴻篇巨製",
+"鹤发" => 	"鶴髮",
+"卤化" => 	"鹵化",
+"卤味" => 	"鹵味",
+"卤族" => 	"鹵族",
+"卤水" => 	"鹵水",
+"卤汁" => 	"鹵汁",
+"卤簿" => 	"鹵簿",
+"卤素" => 	"鹵素",
+"卤莽" => 	"鹵莽",
+"卤钝" => 	"鹵鈍",
+"咸味" => 	"鹹味",
+"咸土" => 	"鹹土",
+"咸度" => 	"鹹度",
+"咸得" => 	"鹹得",
+"咸水" => 	"鹹水",
+"咸海" => 	"鹹海",
+"咸淡" => 	"鹹淡",
+"咸湖" => 	"鹹湖",
+"咸汤" => 	"鹹湯",
+"咸的" => 	"鹹的",
+"咸肉" => 	"鹹肉",
+"咸菜" => 	"鹹菜",
+"咸蛋" => 	"鹹蛋",
+"咸猪肉" => 	"鹹豬肉",
+"咸类" => 	"鹹類",
+"咸鱼" => 	"鹹魚",
+"咸鸭蛋" => 	"鹹鴨蛋",
+"咸卤" => 	"鹹鹵",
+"咸咸" => 	"鹹鹹",
+"盐卤" => 	"鹽鹵",
+"面价" => 	"麵價",
+"面包" => 	"麵包",
+"面团" => 	"麵團",
+"面店" => 	"麵店",
+"面厂" => 	"麵廠",
+"面摊" => 	"麵攤",
+"面杖" => 	"麵杖",
+"面条" => 	"麵條",
+"面灰" => 	"麵灰",
+"面皮" => 	"麵皮",
+"面筋" => 	"麵筋",
+"面粉" => 	"麵粉",
+"面糊" => 	"麵糊",
+"面线" => 	"麵線",
+"面茶" => 	"麵茶",
+"面食" => 	"麵食",
+"面饺" => 	"麵餃",
+"面饼" => 	"麵餅",
+"麻酱面" => 	"麻醬麵",
+"黄卷" => 	"黃卷",
+"黄历" => 	"黃曆",
+"黄发" => 	"黃髮",
+"黑发" => 	"黑髮",
+"黑松" => 	"黑鬆",
+"霉毒" => 	"黴毒",
+"霉素" => 	"黴素",
+"霉菌" => 	"黴菌",
+"鼓里" => 	"鼓裡",
+"冬冬" => 	"鼕鼕",
+"龙卷" => 	"龍卷",
+"龙须" => 	"龍鬚",
+"内存"=>"記憶體",
+"默认"=>"預設",
+"缺省"=>"預設",
+"串行"=>"串列",
+"以太网"=>"乙太網",
+"位图"=>"點陣圖",
+"例程"=>"常式",
+"信道"=>"通道",
+"光标"=>"游標",
+"光盘"=>"光碟",
+"光驱"=>"光碟機",
+"全角"=>"全形",
+"共享"=>"共用",
+"兼容"=>"相容",
+"前缀"=>"首碼",
+"后缀"=>"尾碼",
+"加载"=>"載入",
+"半角"=>"半形",
+"变量"=>"變數",
+"噪声"=>"雜訊",
+"因子"=>"因數",
+"在线"=>"線上",
+"脱机"=>"離線",
+"域名"=>"功能變數名稱",
+"声卡"=>"音效卡",
+"字号"=>"字型大小",
+"字库"=>"字型檔",
+"字段"=>"欄位",
+"字符"=>"字元",
+"存盘"=>"存檔",
+"寻址"=>"定址",
+"尾注"=>"章節附註",
+"异步"=>"非同步",
+"总线"=>"匯流排",
+"括号"=>"括弧",
+"接口"=>"介面",
+"控件"=>"控制項",
+"权限"=>"許可權",
+"盘片"=>"碟片",
+"硅片"=>"矽片",
+"硅谷"=>"矽谷",
+"硬盘"=>"硬碟",
+"磁盘"=>"磁碟",
+"磁道"=>"磁軌",
+"程控"=>"程式控制",
+"端口"=>"埠",
+"算子"=>"運算元",
+"算法"=>"演算法",
+"芯片"=>"晶片",
+"芯片"=>"晶元",
+"词组"=>"片語",
+"译码"=>"解碼",
+"软驱"=>"軟碟機",
+"闪存"=>"快閃記憶體",
+"鼠标"=>"滑鼠",
+"进制"=>"進位",
+"交互式"=>"互動式",
+"仿真"=>"模擬",
+"优先级"=>"優先順序",
+"传感"=>"感測",
+"便携式"=>"攜帶型",
+"信息论"=>"資訊理論",
+"循环"=>"迴圈",
+"写保护"=>"防寫",
+"分布式"=>"分散式",
+"分辨率"=>"解析度",
+"程序"=>"程式",
+"服务器"=>"伺服器",
+"等于"=>"等於",
+"局域网"=>"區域網",
+"上载"=>"上傳",
+"计算机"=>"電腦",
+"宏"=>"巨集",
+"扫瞄仪"=>"掃瞄器",
+"宽带"=>"寬頻",
+"窗口"=>"視窗",
+"数据库"=>"資料庫",
+"公历"=>"西曆",
+"奶酪"=>"乳酪",
+"巨商"=>"鉅賈",
+"手电"=>"手電筒",
+"万历"=>"萬曆",
+"永历"=>"永曆",
+"词汇"=>"辭彙",
+"保安"=>"保全",
+"习用"=>"慣用",
+"元音"=>"母音",
+"任意球"=>"自由球",
+"头球"=>"頭槌",
+"入球"=>"進球",
+"粒入球"=>"顆進球",
+"打门"=>"射門",
+"火锅盖帽"=>"蓋火鍋",
+"打印机"=>"印表機",
+"打印機"=>"印表機",
+"字节"=>"位元組",
+"字節"=>"位元組",
+"打印"=>"列印",
+"打印"=>"列印",
+"硬件"=>"硬體",
+"硬件"=>"硬體",
+"二极管"=>"二極體",
+"二極管"=>"二極體",
+"三极管"=>"三極體",
+"三極管"=>"三極體",
+"数码"=>"數位",
+"數碼"=>"數位",
+"软件"=>"軟體",
+"軟件"=>"軟體",
+"网络"=>"網路",
+"網絡"=>"網路",
+"人工智能"=>"人工智慧",
+"航天飞机"=>"太空梭",
+"穿梭機"=>"太空梭",
+"因特网"=>"網際網路",
+"互聯網"=>"網際網路",
+"机器人"=>"機器人",
+"機械人"=>"機器人",
+"移动电话"=>"行動電話",
+"流動電話"=>"行動電話",
+"调制解调器"=>"數據機",
+"調制解調器"=>"數據機",
+"短信"=>"簡訊",
+"短訊"=>"簡訊",
+"乌兹别克斯坦"=>"烏茲別克",
+"乍得"=>"查德",
+"乍得"=>"查德",
+"也门"=>"葉門",
+"也門"=>"葉門",
+"伯利兹"=>"貝里斯",
+"伯利茲"=>"貝里斯",
+"佛得角"=>"維德角",
+"佛得角"=>"維德角",
+"克罗地亚"=>"克羅埃西亞",
+"克羅地亞"=>"克羅埃西亞",
+"冈比亚"=>"甘比亞",
+"岡比亞"=>"甘比亞",
+"几内亚比绍"=>"幾內亞比索",
+"幾內亞比紹"=>"幾內亞比索",
+"列支敦士登"=>"列支敦斯登",
+"列支敦士登"=>"列支敦斯登",
+"利比里亚"=>"賴比瑞亞",
+"利比里亞"=>"賴比瑞亞",
+"加纳"=>"迦納",
+"加納"=>"迦納",
+"加蓬"=>"加彭",
+"加蓬"=>"加彭",
+"博茨瓦纳"=>"波札那",
+"博茨瓦納"=>"波札那",
+"卡塔尔"=>"卡達",
+"卡塔爾"=>"卡達",
+"卢旺达"=>"盧安達",
+"盧旺達"=>"盧安達",
+"危地马拉"=>"瓜地馬拉",
+"危地馬拉"=>"瓜地馬拉",
+"厄瓜多尔"=>"厄瓜多",
+"厄瓜多爾"=>"厄瓜多",
+"厄立特里亚"=>"厄利垂亞",
+"厄立特里亞"=>"厄利垂亞",
+"吉布提"=>"吉布地",
+"吉布堤"=>"吉布地",
+"哈萨克斯坦"=>"哈薩克",
+"哥斯达黎加"=>"哥斯大黎加",
+"哥斯達黎加"=>"哥斯大黎加",
+"图瓦卢"=>"吐瓦魯",
+"圖瓦盧"=>"吐瓦魯",
+"土库曼斯坦"=>"土庫曼",
+"圣卢西亚"=>"聖露西亞",
+"聖盧西亞"=>"聖露西亞",
+"圣基茨和尼维斯"=>"聖克里斯多福及尼維斯",
+"聖吉斯納域斯"=>"聖克里斯多福及尼維斯",
+"圣文森特和格林纳丁斯"=>"聖文森及格瑞那丁",
+"聖文森特和格林納丁斯"=>"聖文森及格瑞那丁",
+"圣马力诺"=>"聖馬利諾",
+"聖馬力諾"=>"聖馬利諾",
+"圭亚那"=>"蓋亞那",
+"圭亞那"=>"蓋亞那",
+"坦桑尼亚"=>"坦尚尼亞",
+"坦桑尼亞"=>"坦尚尼亞",
+"埃塞俄比亚"=>"衣索比亞",
+"埃塞俄比亞"=>"衣索比亞",
+"基里巴斯"=>"吉里巴斯",
+"基里巴斯"=>"吉里巴斯",
+"塔吉克斯坦"=>"塔吉克",
+"塞拉利昂"=>"獅子山",
+"塞拉利昂"=>"獅子山",
+"塞浦路斯"=>"塞普勒斯",
+"塞浦路斯"=>"塞普勒斯",
+"塞舌尔"=>"塞席爾",
+"塞舌爾"=>"塞席爾",
+"多米尼加"=>"多明尼加",
+"多明尼加共和國"=>"多明尼加",
+"多米尼加联邦"=>"多米尼克",
+"多明尼加聯邦"=>"多米尼克",
+"安提瓜和巴布达"=>"安地卡及巴布達",
+"安提瓜和巴布達"=>"安地卡及巴布達",
+"尼日利亚"=>"奈及利亞",
+"尼日利亞"=>"奈及利亞",
+"尼日尔"=>"尼日",
+"尼日爾"=>"尼日",
+"巴巴多斯"=>"巴貝多",
+"巴巴多斯"=>"巴貝多",
+"巴布亚新几内亚"=>"巴布亞紐幾內亞",
+"巴布亞新畿內亞"=>"巴布亞紐幾內亞",
+"布基纳法索"=>"布吉納法索",
+"布基納法索"=>"布吉納法索",
+"布隆迪"=>"蒲隆地",
+"布隆迪"=>"蒲隆地",
+"希腊"=>"希臘",
+"帕劳"=>"帛琉",
+"意大利"=>"義大利",
+"意大利"=>"義大利",
+"所罗门群岛"=>"索羅門群島",
+"所羅門群島"=>"索羅門群島",
+"文莱"=>"汶萊",
+"斯威士兰"=>"史瓦濟蘭",
+"斯威士蘭"=>"史瓦濟蘭",
+"斯洛文尼亚"=>"斯洛維尼亞",
+"斯洛文尼亞"=>"斯洛維尼亞",
+"新西兰"=>"紐西蘭",
+"新西蘭"=>"紐西蘭",
+"朝鲜"=>"北韓",
+"格林纳达"=>"格瑞那達",
+"格林納達"=>"格瑞那達",
+"格鲁吉亚"=>"喬治亞",
+"格魯吉亞"=>"喬治亞",
+"梵蒂冈"=>"教廷",
+"梵蒂岡"=>"教廷",
+"毛里塔尼亚"=>"茅利塔尼亞",
+"毛里塔尼亞"=>"茅利塔尼亞",
+"毛里求斯"=>"模里西斯",
+"毛里裘斯"=>"模里西斯",
+"沙特阿拉伯"=>"沙烏地阿拉伯",
+"沙地阿拉伯"=>"沙烏地阿拉伯",
+"波斯尼亚和黑塞哥维那"=>"波士尼亞赫塞哥維納",
+"波斯尼亞黑塞哥維那"=>"波士尼亞赫塞哥維納",
+"津巴布韦"=>"辛巴威",
+"津巴布韋"=>"辛巴威",
+"洪都拉斯"=>"宏都拉斯",
+"洪都拉斯"=>"宏都拉斯",
+"特立尼达和托巴哥"=>"千里達托貝哥",
+"特立尼達和多巴哥"=>"千里達托貝哥",
+"瑙鲁"=>"諾魯",
+"瑙魯"=>"諾魯",
+"瓦努阿图"=>"萬那杜",
+"瓦努阿圖"=>"萬那杜",
+"溫納圖萬"=>"那杜",
+"科摩罗"=>"葛摩",
+"科摩羅"=>"葛摩",
+"科特迪瓦"=>"象牙海岸",
+"突尼斯"=>"突尼西亞",
+"索马里"=>"索馬利亞",
+"索馬里"=>"索馬利亞",
+"老挝"=>"寮國",
+"老撾"=>"寮國",
+"肯尼亚"=>"肯亞",
+"肯雅"=>"肯亞",
+"苏里南"=>"蘇利南",
+"莫桑比克"=>"莫三比克",
+"莱索托"=>"賴索托",
+"萊索托"=>"賴索托",
+"贝宁"=>"貝南",
+"貝寧"=>"貝南",
+"赞比亚"=>"尚比亞",
+"贊比亞"=>"尚比亞",
+"阿塞拜疆"=>"亞塞拜然",
+"阿塞拜疆"=>"亞塞拜然",
+"阿拉伯联合酋长国"=>"阿拉伯聯合大公國",
+"阿拉伯聯合酋長國"=>"阿拉伯聯合大公國",
+"韩国"=>"南韓",
+"马尔代夫"=>"馬爾地夫",
+"馬爾代夫"=>"馬爾地夫",
+"马耳他"=>"馬爾他",
+"马里"=>"馬利",
+"馬里"=>"馬利",
+"方便面"=>"速食麵",
+"快速面"=>"速食麵",
+"即食麵"=>"速食麵",
+"薯仔"=>"土豆",
+"蹦极跳"=>"笨豬跳",
+"绑紧跳"=>"笨豬跳",
+"冷菜"=>"冷盤",
+"凉菜"=>"冷盤",
+"的士"=>"計程車",
+"出租车"=>"計程車",
+"巴士"=>"公車",
+"公共汽车"=>"公車",
+"台球"=>"撞球",
+"桌球"=>"撞球",
+"雪糕"=>"冰淇淋",
+"卫生"=>"衛生",
+"衞生"=>"衛生",
+"平治"=>"賓士",
+"奔驰"=>"賓士",
+"積架"=>"捷豹",
+"福士"=>"福斯",
+"雪铁龙"=>"雪鐵龍",
+"马自达"=>"馬自達",
+"萬事得"=>"馬自達",
+"布什"=>"布希",
+"布殊"=>"布希",
+"克林顿"=>"柯林頓",
+"克林頓"=>"柯林頓",
+"萨达姆"=>"海珊",
+"薩達姆"=>"海珊",
+"凡高"=>"梵谷",
+"狄安娜"=>"黛安娜",
+"戴安娜"=>"黛安娜",
+"赫拉"=>"希拉",
+);
+
+
+$zh2CN=array(
+"么"=>"么",
+"瀋"=>"沈",
+"畫"=>"划",
+"鍾"=>"钟",
+"餘"=>"余",
+"鯰"=>"鲇",
+"鹼"=>"硷",
+"麼"=>"么",
+"䊷"=>"䌶",
+"𧩙"=>"䜥",
+"万"=>"万",
+"与"=>"与",
+"丑"=>"丑",
+"丟"=>"丢",
+"並"=>"并",
+"丰"=>"丰",
+"么"=>"么",
+"乾"=>"干",
+"亂"=>"乱",
+"云"=>"云",
+"亙"=>"亘",
+"亞"=>"亚",
+"仆"=>"仆",
+"价"=>"价",
+"伙"=>"伙",
+"佇"=>"伫",
+"佈"=>"布",
+"体"=>"体",
+"余"=>"余",
+"余"=>"馀",
+"佣"=>"佣",
+"併"=>"并",
+"來"=>"来",
+"侖"=>"仑",
+"侶"=>"侣",
+"俁"=>"俣",
+"係"=>"系",
+"俔"=>"伣",
+"俠"=>"侠",
+"倀"=>"伥",
+"倆"=>"俩",
+"倈"=>"俫",
+"倉"=>"仓",
+"個"=>"个",
+"們"=>"们",
+"倫"=>"伦",
+"偉"=>"伟",
+"側"=>"侧",
+"偵"=>"侦",
+"偽"=>"伪",
+"傑"=>"杰",
+"傖"=>"伧",
+"傘"=>"伞",
+"備"=>"备",
+"傢"=>"家",
+"傭"=>"佣",
+"傯"=>"偬",
+"傳"=>"传",
+"傴"=>"伛",
+"債"=>"债",
+"傷"=>"伤",
+"傾"=>"倾",
+"僂"=>"偻",
+"僅"=>"仅",
+"僉"=>"佥",
+"僑"=>"侨",
+"僕"=>"仆",
+"僞"=>"伪",
+"僥"=>"侥",
+"僨"=>"偾",
+"價"=>"价",
+"儀"=>"仪",
+"儂"=>"侬",
+"億"=>"亿",
+"儈"=>"侩",
+"儉"=>"俭",
+"儐"=>"傧",
+"儔"=>"俦",
+"儕"=>"侪",
+"儘"=>"尽",
+"償"=>"偿",
+"優"=>"优",
+"儲"=>"储",
+"儷"=>"俪",
+"儺"=>"傩",
+"儻"=>"傥",
+"儼"=>"俨",
+"儿"=>"儿",
+"兇"=>"凶",
+"兌"=>"兑",
+"兒"=>"儿",
+"兗"=>"兖",
+"党"=>"党",
+"內"=>"内",
+"兩"=>"两",
+"冊"=>"册",
+"冪"=>"幂",
+"准"=>"准",
+"凈"=>"净",
+"凍"=>"冻",
+"凜"=>"凛",
+"几"=>"几",
+"凱"=>"凯",
+"划"=>"划",
+"別"=>"别",
+"刪"=>"删",
+"剄"=>"刭",
+"則"=>"则",
+"剋"=>"克",
+"剎"=>"刹",
+"剗"=>"刬",
+"剛"=>"刚",
+"剝"=>"剥",
+"剮"=>"剐",
+"剴"=>"剀",
+"創"=>"创",
+"劃"=>"划",
+"劇"=>"剧",
+"劉"=>"刘",
+"劊"=>"刽",
+"劌"=>"刿",
+"劍"=>"剑",
+"劑"=>"剂",
+"勁"=>"劲",
+"動"=>"动",
+"務"=>"务",
+"勛"=>"勋",
+"勝"=>"胜",
+"勞"=>"劳",
+"勢"=>"势",
+"勩"=>"勚",
+"勱"=>"劢",
+"勵"=>"励",
+"勸"=>"劝",
+"勻"=>"匀",
+"匭"=>"匦",
+"匯"=>"汇",
+"匱"=>"匮",
+"區"=>"区",
+"協"=>"协",
+"卷"=>"卷",
+"卻"=>"却",
+"厂"=>"厂",
+"厙"=>"厍",
+"厠"=>"厕",
+"厭"=>"厌",
+"厲"=>"厉",
+"厴"=>"厣",
+"參"=>"参",
+"叄"=>"叁",
+"叢"=>"丛",
+"台"=>"台",
+"叶"=>"叶",
+"吊"=>"吊",
+"后"=>"后",
+"后"=>"後",
+"吒"=>"咤",
+"吳"=>"吴",
+"吶"=>"呐",
+"呂"=>"吕",
+"咼"=>"呙",
+"員"=>"员",
+"唄"=>"呗",
+"唚"=>"吣",
+"問"=>"问",
+"啓"=>"启",
+"啞"=>"哑",
+"啟"=>"启",
+"啢"=>"唡",
+"喎"=>"㖞",
+"喚"=>"唤",
+"喪"=>"丧",
+"喬"=>"乔",
+"單"=>"单",
+"喲"=>"哟",
+"嗆"=>"呛",
+"嗇"=>"啬",
+"嗊"=>"唝",
+"嗎"=>"吗",
+"嗚"=>"呜",
+"嗩"=>"唢",
+"嗶"=>"哔",
+"嘆"=>"叹",
+"嘍"=>"喽",
+"嘔"=>"呕",
+"嘖"=>"啧",
+"嘗"=>"尝",
+"嘜"=>"唛",
+"嘩"=>"哗",
+"嘮"=>"唠",
+"嘯"=>"啸",
+"嘰"=>"叽",
+"嘵"=>"哓",
+"嘸"=>"呒",
+"嘽"=>"啴",
+"噁"=>"恶",
+"噓"=>"嘘",
+"噝"=>"咝",
+"噠"=>"哒",
+"噥"=>"哝",
+"噦"=>"哕",
+"噯"=>"嗳",
+"噲"=>"哙",
+"噴"=>"喷",
+"噸"=>"吨",
+"噹"=>"当",
+"嚀"=>"咛",
+"嚇"=>"吓",
+"嚌"=>"哜",
+"嚕"=>"噜",
+"嚙"=>"啮",
+"嚥"=>"咽",
+"嚦"=>"呖",
+"嚨"=>"咙",
+"嚮"=>"向",
+"嚲"=>"亸",
+"嚳"=>"喾",
+"嚴"=>"严",
+"嚶"=>"嘤",
+"囀"=>"啭",
+"囁"=>"嗫",
+"囂"=>"嚣",
+"囅"=>"冁",
+"囈"=>"呓",
+"囌"=>"苏",
+"囑"=>"嘱",
+"囪"=>"囱",
+"圇"=>"囵",
+"國"=>"国",
+"圍"=>"围",
+"園"=>"园",
+"圓"=>"圆",
+"圖"=>"图",
+"團"=>"团",
+"坏"=>"坏",
+"垵"=>"埯",
+"埡"=>"垭",
+"埰"=>"采",
+"執"=>"执",
+"堅"=>"坚",
+"堊"=>"垩",
+"堖"=>"垴",
+"堝"=>"埚",
+"堯"=>"尧",
+"報"=>"报",
+"場"=>"场",
+"塊"=>"块",
+"塋"=>"茔",
+"塏"=>"垲",
+"塒"=>"埘",
+"塗"=>"涂",
+"塚"=>"冢",
+"塢"=>"坞",
+"塤"=>"埙",
+"塵"=>"尘",
+"塹"=>"堑",
+"墊"=>"垫",
+"墜"=>"坠",
+"墮"=>"堕",
+"墳"=>"坟",
+"墻"=>"墙",
+"墾"=>"垦",
+"壇"=>"坛",
+"壈"=>"𡒄",
+"壋"=>"垱",
+"壓"=>"压",
+"壘"=>"垒",
+"壙"=>"圹",
+"壚"=>"垆",
+"壞"=>"坏",
+"壟"=>"垄",
+"壠"=>"垅",
+"壢"=>"坜",
+"壩"=>"坝",
+"壯"=>"壮",
+"壺"=>"壶",
+"壼"=>"壸",
+"壽"=>"寿",
+"夠"=>"够",
+"夢"=>"梦",
+"夾"=>"夹",
+"奐"=>"奂",
+"奧"=>"奥",
+"奩"=>"奁",
+"奪"=>"夺",
+"奬"=>"奖",
+"奮"=>"奋",
+"奼"=>"姹",
+"妝"=>"妆",
+"姍"=>"姗",
+"姜"=>"姜",
+"姦"=>"奸",
+"娛"=>"娱",
+"婁"=>"娄",
+"婦"=>"妇",
+"婭"=>"娅",
+"媧"=>"娲",
+"媯"=>"妫",
+"媼"=>"媪",
+"媽"=>"妈",
+"嫗"=>"妪",
+"嫵"=>"妩",
+"嫻"=>"娴",
+"嫿"=>"婳",
+"嬀"=>"妫",
+"嬈"=>"娆",
+"嬋"=>"婵",
+"嬌"=>"娇",
+"嬙"=>"嫱",
+"嬡"=>"嫒",
+"嬤"=>"嬷",
+"嬪"=>"嫔",
+"嬰"=>"婴",
+"嬸"=>"婶",
+"孌"=>"娈",
+"孫"=>"孙",
+"學"=>"学",
+"孿"=>"孪",
+"宁"=>"宁",
+"宮"=>"宫",
+"寢"=>"寝",
+"實"=>"实",
+"寧"=>"宁",
+"審"=>"审",
+"寫"=>"写",
+"寬"=>"宽",
+"寵"=>"宠",
+"寶"=>"宝",
+"將"=>"将",
+"專"=>"专",
+"尋"=>"寻",
+"對"=>"对",
+"導"=>"导",
+"尷"=>"尴",
+"屆"=>"届",
+"屍"=>"尸",
+"屓"=>"屃",
+"屜"=>"屉",
+"屢"=>"屡",
+"層"=>"层",
+"屨"=>"屦",
+"屬"=>"属",
+"岡"=>"冈",
+"峴"=>"岘",
+"島"=>"岛",
+"峽"=>"峡",
+"崍"=>"崃",
+"崗"=>"岗",
+"崢"=>"峥",
+"崬"=>"岽",
+"嵐"=>"岚",
+"嶁"=>"嵝",
+"嶄"=>"崭",
+"嶇"=>"岖",
+"嶔"=>"嵚",
+"嶗"=>"崂",
+"嶠"=>"峤",
+"嶢"=>"峣",
+"嶧"=>"峄",
+"嶮"=>"崄",
+"嶴"=>"岙",
+"嶸"=>"嵘",
+"嶺"=>"岭",
+"嶼"=>"屿",
+"嶽"=>"岳",
+"巋"=>"岿",
+"巒"=>"峦",
+"巔"=>"巅",
+"巰"=>"巯",
+"帘"=>"帘",
+"帥"=>"帅",
+"師"=>"师",
+"帳"=>"帐",
+"帶"=>"带",
+"幀"=>"帧",
+"幃"=>"帏",
+"幗"=>"帼",
+"幘"=>"帻",
+"幟"=>"帜",
+"幣"=>"币",
+"幫"=>"帮",
+"幬"=>"帱",
+"幹"=>"干",
+"幺"=>"么",
+"幾"=>"几",
+"广"=>"广",
+"庫"=>"库",
+"廁"=>"厕",
+"廂"=>"厢",
+"廄"=>"厩",
+"廈"=>"厦",
+"廚"=>"厨",
+"廝"=>"厮",
+"廟"=>"庙",
+"廠"=>"厂",
+"廡"=>"庑",
+"廢"=>"废",
+"廣"=>"广",
+"廩"=>"廪",
+"廬"=>"庐",
+"廳"=>"厅",
+"弒"=>"弑",
+"弳"=>"弪",
+"張"=>"张",
+"強"=>"强",
+"彆"=>"别",
+"彈"=>"弹",
+"彌"=>"弥",
+"彎"=>"弯",
+"彙"=>"汇",
+"彞"=>"彝",
+"彥"=>"彦",
+"征"=>"征",
+"後"=>"后",
+"徑"=>"径",
+"從"=>"从",
+"徠"=>"徕",
+"復"=>"复",
+"徵"=>"征",
+"徹"=>"彻",
+"恆"=>"恒",
+"恥"=>"耻",
+"悅"=>"悦",
+"悞"=>"悮",
+"悵"=>"怅",
+"悶"=>"闷",
+"惡"=>"恶",
+"惱"=>"恼",
+"惲"=>"恽",
+"惻"=>"恻",
+"愛"=>"爱",
+"愜"=>"惬",
+"愨"=>"悫",
+"愴"=>"怆",
+"愷"=>"恺",
+"愾"=>"忾",
+"愿"=>"愿",
+"慄"=>"栗",
+"態"=>"态",
+"慍"=>"愠",
+"慘"=>"惨",
+"慚"=>"惭",
+"慟"=>"恸",
+"慣"=>"惯",
+"慤"=>"悫",
+"慪"=>"怄",
+"慫"=>"怂",
+"慮"=>"虑",
+"慳"=>"悭",
+"慶"=>"庆",
+"憂"=>"忧",
+"憊"=>"惫",
+"憐"=>"怜",
+"憑"=>"凭",
+"憒"=>"愦",
+"憚"=>"惮",
+"憤"=>"愤",
+"憫"=>"悯",
+"憮"=>"怃",
+"憲"=>"宪",
+"憶"=>"忆",
+"懇"=>"恳",
+"應"=>"应",
+"懌"=>"怿",
+"懍"=>"懔",
+"懞"=>"蒙",
+"懟"=>"怼",
+"懣"=>"懑",
+"懨"=>"恹",
+"懲"=>"惩",
+"懶"=>"懒",
+"懷"=>"怀",
+"懸"=>"悬",
+"懺"=>"忏",
+"懼"=>"惧",
+"懾"=>"慑",
+"戀"=>"恋",
+"戇"=>"戆",
+"戔"=>"戋",
+"戧"=>"戗",
+"戩"=>"戬",
+"戰"=>"战",
+"戱"=>"戯",
+"戲"=>"戏",
+"戶"=>"户",
+"担"=>"担",
+"拋"=>"抛",
+"拾"=>"十",
+"挩"=>"捝",
+"挾"=>"挟",
+"捨"=>"舍",
+"捫"=>"扪",
+"据"=>"据",
+"掃"=>"扫",
+"掄"=>"抡",
+"掗"=>"挜",
+"掙"=>"挣",
+"掛"=>"挂",
+"採"=>"采",
+"揀"=>"拣",
+"揚"=>"扬",
+"換"=>"换",
+"揮"=>"挥",
+"損"=>"损",
+"搖"=>"摇",
+"搗"=>"捣",
+"搵"=>"揾",
+"搶"=>"抢",
+"摑"=>"掴",
+"摜"=>"掼",
+"摟"=>"搂",
+"摯"=>"挚",
+"摳"=>"抠",
+"摶"=>"抟",
+"摺"=>"折",
+"摻"=>"掺",
+"撈"=>"捞",
+"撏"=>"挦",
+"撐"=>"撑",
+"撓"=>"挠",
+"撝"=>"㧑",
+"撟"=>"挢",
+"撣"=>"掸",
+"撥"=>"拨",
+"撫"=>"抚",
+"撲"=>"扑",
+"撳"=>"揿",
+"撻"=>"挞",
+"撾"=>"挝",
+"撿"=>"捡",
+"擁"=>"拥",
+"擄"=>"掳",
+"擇"=>"择",
+"擊"=>"击",
+"擋"=>"挡",
+"擓"=>"㧟",
+"擔"=>"担",
+"據"=>"据",
+"擠"=>"挤",
+"擬"=>"拟",
+"擯"=>"摈",
+"擰"=>"拧",
+"擱"=>"搁",
+"擲"=>"掷",
+"擴"=>"扩",
+"擷"=>"撷",
+"擺"=>"摆",
+"擻"=>"擞",
+"擼"=>"撸",
+"擾"=>"扰",
+"攄"=>"摅",
+"攆"=>"撵",
+"攏"=>"拢",
+"攔"=>"拦",
+"攖"=>"撄",
+"攙"=>"搀",
+"攛"=>"撺",
+"攜"=>"携",
+"攝"=>"摄",
+"攢"=>"攒",
+"攣"=>"挛",
+"攤"=>"摊",
+"攪"=>"搅",
+"攬"=>"揽",
+"敗"=>"败",
+"敘"=>"叙",
+"敵"=>"敌",
+"數"=>"数",
+"斂"=>"敛",
+"斃"=>"毙",
+"斕"=>"斓",
+"斗"=>"斗",
+"斬"=>"斩",
+"斷"=>"断",
+"於"=>"于",
+"時"=>"时",
+"晉"=>"晋",
+"晝"=>"昼",
+"暈"=>"晕",
+"暉"=>"晖",
+"暘"=>"旸",
+"暢"=>"畅",
+"暫"=>"暂",
+"曄"=>"晔",
+"曆"=>"历",
+"曇"=>"昙",
+"曉"=>"晓",
+"曏"=>"向",
+"曖"=>"暧",
+"曠"=>"旷",
+"曨"=>"昽",
+"曬"=>"晒",
+"書"=>"书",
+"會"=>"会",
+"朧"=>"胧",
+"朮"=>"术",
+"术"=>"术",
+"朴"=>"朴",
+"東"=>"东",
+"杴"=>"锨",
+"极"=>"极",
+"柜"=>"柜",
+"柵"=>"栅",
+"桿"=>"杆",
+"梔"=>"栀",
+"梘"=>"枧",
+"條"=>"条",
+"梟"=>"枭",
+"梲"=>"棁",
+"棄"=>"弃",
+"棖"=>"枨",
+"棗"=>"枣",
+"棟"=>"栋",
+"棧"=>"栈",
+"棲"=>"栖",
+"棶"=>"梾",
+"椏"=>"桠",
+"楊"=>"杨",
+"楓"=>"枫",
+"楨"=>"桢",
+"業"=>"业",
+"極"=>"极",
+"榪"=>"杩",
+"榮"=>"荣",
+"榲"=>"榅",
+"榿"=>"桤",
+"構"=>"构",
+"槍"=>"枪",
+"槤"=>"梿",
+"槧"=>"椠",
+"槨"=>"椁",
+"槳"=>"桨",
+"樁"=>"桩",
+"樂"=>"乐",
+"樅"=>"枞",
+"樓"=>"楼",
+"標"=>"标",
+"樞"=>"枢",
+"樣"=>"样",
+"樸"=>"朴",
+"樹"=>"树",
+"樺"=>"桦",
+"橈"=>"桡",
+"橋"=>"桥",
+"機"=>"机",
+"橢"=>"椭",
+"橫"=>"横",
+"檁"=>"檩",
+"檉"=>"柽",
+"檔"=>"档",
+"檜"=>"桧",
+"檟"=>"槚",
+"檢"=>"检",
+"檣"=>"樯",
+"檮"=>"梼",
+"檯"=>"台",
+"檳"=>"槟",
+"檸"=>"柠",
+"檻"=>"槛",
+"櫃"=>"柜",
+"櫓"=>"橹",
+"櫚"=>"榈",
+"櫛"=>"栉",
+"櫝"=>"椟",
+"櫞"=>"橼",
+"櫟"=>"栎",
+"櫥"=>"橱",
+"櫧"=>"槠",
+"櫨"=>"栌",
+"櫪"=>"枥",
+"櫫"=>"橥",
+"櫬"=>"榇",
+"櫱"=>"蘖",
+"櫳"=>"栊",
+"櫸"=>"榉",
+"櫻"=>"樱",
+"欄"=>"栏",
+"權"=>"权",
+"欏"=>"椤",
+"欒"=>"栾",
+"欖"=>"榄",
+"欞"=>"棂",
+"欽"=>"钦",
+"歐"=>"欧",
+"歟"=>"欤",
+"歡"=>"欢",
+"歲"=>"岁",
+"歷"=>"历",
+"歸"=>"归",
+"歿"=>"殁",
+"殘"=>"残",
+"殞"=>"殒",
+"殤"=>"殇",
+"殨"=>"㱮",
+"殫"=>"殚",
+"殮"=>"殓",
+"殯"=>"殡",
+"殲"=>"歼",
+"殺"=>"杀",
+"殻"=>"壳",
+"殼"=>"壳",
+"毀"=>"毁",
+"毆"=>"殴",
+"毿"=>"毵",
+"氂"=>"牦",
+"氈"=>"毡",
+"氌"=>"氇",
+"氣"=>"气",
+"氫"=>"氢",
+"氬"=>"氩",
+"氳"=>"氲",
+"汙"=>"污",
+"決"=>"决",
+"沒"=>"没",
+"沖"=>"冲",
+"況"=>"况",
+"洶"=>"汹",
+"浹"=>"浃",
+"涂"=>"涂",
+"涇"=>"泾",
+"涼"=>"凉",
+"淀"=>"淀",
+"淒"=>"凄",
+"淚"=>"泪",
+"淥"=>"渌",
+"淨"=>"净",
+"淩"=>"凌",
+"淪"=>"沦",
+"淵"=>"渊",
+"淶"=>"涞",
+"淺"=>"浅",
+"渙"=>"涣",
+"減"=>"减",
+"渦"=>"涡",
+"測"=>"测",
+"渾"=>"浑",
+"湊"=>"凑",
+"湞"=>"浈",
+"湯"=>"汤",
+"溈"=>"沩",
+"準"=>"准",
+"溝"=>"沟",
+"溫"=>"温",
+"滄"=>"沧",
+"滅"=>"灭",
+"滌"=>"涤",
+"滎"=>"荥",
+"滬"=>"沪",
+"滯"=>"滞",
+"滲"=>"渗",
+"滷"=>"卤",
+"滸"=>"浒",
+"滻"=>"浐",
+"滾"=>"滚",
+"滿"=>"满",
+"漁"=>"渔",
+"漚"=>"沤",
+"漢"=>"汉",
+"漣"=>"涟",
+"漬"=>"渍",
+"漲"=>"涨",
+"漵"=>"溆",
+"漸"=>"渐",
+"漿"=>"浆",
+"潁"=>"颍",
+"潑"=>"泼",
+"潔"=>"洁",
+"潙"=>"沩",
+"潛"=>"潜",
+"潤"=>"润",
+"潯"=>"浔",
+"潰"=>"溃",
+"潷"=>"滗",
+"潿"=>"涠",
+"澀"=>"涩",
+"澆"=>"浇",
+"澇"=>"涝",
+"澐"=>"沄",
+"澗"=>"涧",
+"澠"=>"渑",
+"澤"=>"泽",
+"澦"=>"滪",
+"澩"=>"泶",
+"澮"=>"浍",
+"澱"=>"淀",
+"濁"=>"浊",
+"濃"=>"浓",
+"濕"=>"湿",
+"濘"=>"泞",
+"濛"=>"蒙",
+"濟"=>"济",
+"濤"=>"涛",
+"濫"=>"滥",
+"濰"=>"潍",
+"濱"=>"滨",
+"濺"=>"溅",
+"濼"=>"泺",
+"濾"=>"滤",
+"瀅"=>"滢",
+"瀆"=>"渎",
+"瀉"=>"泻",
+"瀋"=>"沈",
+"瀏"=>"浏",
+"瀕"=>"濒",
+"瀘"=>"泸",
+"瀝"=>"沥",
+"瀟"=>"潇",
+"瀠"=>"潆",
+"瀦"=>"潴",
+"瀧"=>"泷",
+"瀨"=>"濑",
+"瀰"=>"弥",
+"瀲"=>"潋",
+"瀾"=>"澜",
+"灃"=>"沣",
+"灄"=>"滠",
+"灑"=>"洒",
+"灕"=>"漓",
+"灘"=>"滩",
+"灝"=>"灏",
+"灠"=>"漤",
+"灣"=>"湾",
+"灤"=>"滦",
+"灧"=>"滟",
+"災"=>"灾",
+"為"=>"为",
+"烏"=>"乌",
+"烴"=>"烃",
+"無"=>"无",
+"煉"=>"炼",
+"煒"=>"炜",
+"煙"=>"烟",
+"煢"=>"茕",
+"煥"=>"焕",
+"煩"=>"烦",
+"煬"=>"炀",
+"熅"=>"煴",
+"熒"=>"荧",
+"熗"=>"炝",
+"熱"=>"热",
+"熲"=>"颎",
+"熾"=>"炽",
+"燁"=>"烨",
+"燈"=>"灯",
+"燉"=>"炖",
+"燒"=>"烧",
+"燙"=>"烫",
+"燜"=>"焖",
+"營"=>"营",
+"燦"=>"灿",
+"燭"=>"烛",
+"燴"=>"烩",
+"燼"=>"烬",
+"燾"=>"焘",
+"爍"=>"烁",
+"爐"=>"炉",
+"爛"=>"烂",
+"爭"=>"争",
+"爲"=>"为",
+"爺"=>"爷",
+"爾"=>"尔",
+"牆"=>"墙",
+"牘"=>"牍",
+"牽"=>"牵",
+"犖"=>"荦",
+"犢"=>"犊",
+"犧"=>"牺",
+"狀"=>"状",
+"狹"=>"狭",
+"狽"=>"狈",
+"猙"=>"狰",
+"猶"=>"犹",
+"猻"=>"狲",
+"獁"=>"犸",
+"獄"=>"狱",
+"獅"=>"狮",
+"獎"=>"奖",
+"獨"=>"独",
+"獪"=>"狯",
+"獫"=>"猃",
+"獮"=>"狝",
+"獰"=>"狞",
+"獲"=>"获",
+"獵"=>"猎",
+"獷"=>"犷",
+"獸"=>"兽",
+"獺"=>"獭",
+"獻"=>"献",
+"獼"=>"猕",
+"玀"=>"猡",
+"現"=>"现",
+"琺"=>"珐",
+"琿"=>"珲",
+"瑋"=>"玮",
+"瑒"=>"玚",
+"瑣"=>"琐",
+"瑤"=>"瑶",
+"瑩"=>"莹",
+"瑪"=>"玛",
+"瑲"=>"玱",
+"璉"=>"琏",
+"璣"=>"玑",
+"璦"=>"瑷",
+"璫"=>"珰",
+"環"=>"环",
+"璽"=>"玺",
+"瓊"=>"琼",
+"瓏"=>"珑",
+"瓔"=>"璎",
+"瓚"=>"瓒",
+"甌"=>"瓯",
+"產"=>"产",
+"産"=>"产",
+"畝"=>"亩",
+"畢"=>"毕",
+"異"=>"异",
+"畵"=>"画",
+"當"=>"当",
+"疇"=>"畴",
+"疊"=>"叠",
+"痙"=>"痉",
+"痾"=>"疴",
+"瘂"=>"痖",
+"瘋"=>"疯",
+"瘍"=>"疡",
+"瘓"=>"痪",
+"瘞"=>"瘗",
+"瘡"=>"疮",
+"瘧"=>"疟",
+"瘮"=>"瘆",
+"瘲"=>"疭",
+"瘺"=>"瘘",
+"瘻"=>"瘘",
+"療"=>"疗",
+"癆"=>"痨",
+"癇"=>"痫",
+"癉"=>"瘅",
+"癘"=>"疠",
+"癟"=>"瘪",
+"癢"=>"痒",
+"癤"=>"疖",
+"癥"=>"症",
+"癧"=>"疬",
+"癩"=>"癞",
+"癬"=>"癣",
+"癭"=>"瘿",
+"癮"=>"瘾",
+"癰"=>"痈",
+"癱"=>"瘫",
+"癲"=>"癫",
+"發"=>"发",
+"皚"=>"皑",
+"皰"=>"疱",
+"皸"=>"皲",
+"皺"=>"皱",
+"盃"=>"杯",
+"盜"=>"盗",
+"盞"=>"盏",
+"盡"=>"尽",
+"監"=>"监",
+"盤"=>"盘",
+"盧"=>"卢",
+"眥"=>"眦",
+"眾"=>"众",
+"睏"=>"困",
+"睜"=>"睁",
+"睞"=>"睐",
+"瞘"=>"眍",
+"瞜"=>"䁖",
+"瞞"=>"瞒",
+"瞭"=>"了",
+"瞶"=>"瞆",
+"瞼"=>"睑",
+"矇"=>"蒙",
+"矓"=>"眬",
+"矚"=>"瞩",
+"矯"=>"矫",
+"硃"=>"朱",
+"硜"=>"硁",
+"硤"=>"硖",
+"硨"=>"砗",
+"确"=>"确",
+"硯"=>"砚",
+"碩"=>"硕",
+"碭"=>"砀",
+"碸"=>"砜",
+"確"=>"确",
+"碼"=>"码",
+"磑"=>"硙",
+"磚"=>"砖",
+"磣"=>"碜",
+"磧"=>"碛",
+"磯"=>"矶",
+"磽"=>"硗",
+"礆"=>"硷",
+"礎"=>"础",
+"礙"=>"碍",
+"礦"=>"矿",
+"礪"=>"砺",
+"礫"=>"砾",
+"礬"=>"矾",
+"礱"=>"砻",
+"祿"=>"禄",
+"禍"=>"祸",
+"禎"=>"祯",
+"禕"=>"祎",
+"禡"=>"祃",
+"禦"=>"御",
+"禪"=>"禅",
+"禮"=>"礼",
+"禰"=>"祢",
+"禱"=>"祷",
+"禿"=>"秃",
+"秈"=>"籼",
+"种"=>"种",
+"稅"=>"税",
+"稈"=>"秆",
+"稟"=>"禀",
+"種"=>"种",
+"稱"=>"称",
+"穀"=>"谷",
+"穌"=>"稣",
+"積"=>"积",
+"穎"=>"颖",
+"穠"=>"秾",
+"穡"=>"穑",
+"穢"=>"秽",
+"穩"=>"稳",
+"穫"=>"获",
+"穭"=>"稆",
+"窩"=>"窝",
+"窪"=>"洼",
+"窮"=>"穷",
+"窯"=>"窑",
+"窵"=>"窎",
+"窶"=>"窭",
+"窺"=>"窥",
+"竄"=>"窜",
+"竅"=>"窍",
+"竇"=>"窦",
+"竈"=>"灶",
+"竊"=>"窃",
+"竪"=>"竖",
+"競"=>"竞",
+"筆"=>"笔",
+"筍"=>"笋",
+"筑"=>"筑",
+"筧"=>"笕",
+"筴"=>"䇲",
+"箋"=>"笺",
+"箏"=>"筝",
+"節"=>"节",
+"範"=>"范",
+"築"=>"筑",
+"篋"=>"箧",
+"篔"=>"筼",
+"篤"=>"笃",
+"篩"=>"筛",
+"篳"=>"筚",
+"簀"=>"箦",
+"簍"=>"篓",
+"簞"=>"箪",
+"簡"=>"简",
+"簣"=>"篑",
+"簫"=>"箫",
+"簹"=>"筜",
+"簽"=>"签",
+"簾"=>"帘",
+"籃"=>"篮",
+"籌"=>"筹",
+"籖"=>"签",
+"籙"=>"箓",
+"籜"=>"箨",
+"籟"=>"籁",
+"籠"=>"笼",
+"籩"=>"笾",
+"籪"=>"簖",
+"籬"=>"篱",
+"籮"=>"箩",
+"籲"=>"吁",
+"粵"=>"粤",
+"糝"=>"糁",
+"糞"=>"粪",
+"糧"=>"粮",
+"糰"=>"团",
+"糲"=>"粝",
+"糴"=>"籴",
+"糶"=>"粜",
+"糹"=>"纟",
+"糾"=>"纠",
+"紀"=>"纪",
+"紂"=>"纣",
+"約"=>"约",
+"紅"=>"红",
+"紆"=>"纡",
+"紇"=>"纥",
+"紈"=>"纨",
+"紉"=>"纫",
+"紋"=>"纹",
+"納"=>"纳",
+"紐"=>"纽",
+"紓"=>"纾",
+"純"=>"纯",
+"紕"=>"纰",
+"紖"=>"纼",
+"紗"=>"纱",
+"紘"=>"纮",
+"紙"=>"纸",
+"級"=>"级",
+"紛"=>"纷",
+"紜"=>"纭",
+"紝"=>"纴",
+"紡"=>"纺",
+"紬"=>"䌷",
+"細"=>"细",
+"紱"=>"绂",
+"紲"=>"绁",
+"紳"=>"绅",
+"紵"=>"纻",
+"紹"=>"绍",
+"紺"=>"绀",
+"紼"=>"绋",
+"紿"=>"绐",
+"絀"=>"绌",
+"終"=>"终",
+"組"=>"组",
+"絅"=>"䌹",
+"絆"=>"绊",
+"絎"=>"绗",
+"結"=>"结",
+"絕"=>"绝",
+"絛"=>"绦",
+"絝"=>"绔",
+"絞"=>"绞",
+"絡"=>"络",
+"絢"=>"绚",
+"給"=>"给",
+"絨"=>"绒",
+"絰"=>"绖",
+"統"=>"统",
+"絲"=>"丝",
+"絳"=>"绛",
+"絶"=>"绝",
+"絹"=>"绢",
+"綁"=>"绑",
+"綃"=>"绡",
+"綆"=>"绠",
+"綈"=>"绨",
+"綉"=>"绣",
+"綌"=>"绤",
+"綏"=>"绥",
+"經"=>"经",
+"綜"=>"综",
+"綞"=>"缍",
+"綠"=>"绿",
+"綢"=>"绸",
+"綣"=>"绻",
+"綫"=>"线",
+"綬"=>"绶",
+"維"=>"维",
+"綯"=>"绹",
+"綰"=>"绾",
+"綱"=>"纲",
+"網"=>"网",
+"綳"=>"绷",
+"綴"=>"缀",
+"綸"=>"纶",
+"綹"=>"绺",
+"綺"=>"绮",
+"綻"=>"绽",
+"綽"=>"绰",
+"綾"=>"绫",
+"綿"=>"绵",
+"緄"=>"绲",
+"緇"=>"缁",
+"緊"=>"紧",
+"緋"=>"绯",
+"緑"=>"绿",
+"緒"=>"绪",
+"緓"=>"绬",
+"緔"=>"绱",
+"緗"=>"缃",
+"緘"=>"缄",
+"緙"=>"缂",
+"線"=>"线",
+"緝"=>"缉",
+"緞"=>"缎",
+"締"=>"缔",
+"緡"=>"缗",
+"緣"=>"缘",
+"緦"=>"缌",
+"編"=>"编",
+"緩"=>"缓",
+"緬"=>"缅",
+"緯"=>"纬",
+"緱"=>"缑",
+"緲"=>"缈",
+"練"=>"练",
+"緶"=>"缏",
+"緹"=>"缇",
+"緻"=>"致",
+"縈"=>"萦",
+"縉"=>"缙",
+"縊"=>"缢",
+"縋"=>"缒",
+"縐"=>"绉",
+"縑"=>"缣",
+"縕"=>"缊",
+"縗"=>"缞",
+"縛"=>"缚",
+"縝"=>"缜",
+"縞"=>"缟",
+"縟"=>"缛",
+"縣"=>"县",
+"縧"=>"绦",
+"縫"=>"缝",
+"縭"=>"缡",
+"縮"=>"缩",
+"縱"=>"纵",
+"縲"=>"缧",
+"縳"=>"䌸",
+"縴"=>"纤",
+"縵"=>"缦",
+"縶"=>"絷",
+"縷"=>"缕",
+"縹"=>"缥",
+"總"=>"总",
+"績"=>"绩",
+"繃"=>"绷",
+"繅"=>"缫",
+"繆"=>"缪",
+"繒"=>"缯",
+"織"=>"织",
+"繕"=>"缮",
+"繚"=>"缭",
+"繞"=>"绕",
+"繡"=>"绣",
+"繢"=>"缋",
+"繩"=>"绳",
+"繪"=>"绘",
+"繫"=>"系",
+"繭"=>"茧",
+"繮"=>"缰",
+"繯"=>"缳",
+"繰"=>"缲",
+"繳"=>"缴",
+"繸"=>"䍁",
+"繹"=>"绎",
+"繼"=>"继",
+"繽"=>"缤",
+"繾"=>"缱",
+"纈"=>"缬",
+"纊"=>"纩",
+"續"=>"续",
+"纍"=>"累",
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+"纓"=>"缨",
+"纔"=>"才",
+"纖"=>"纤",
+"纘"=>"缵",
+"纜"=>"缆",
+"缽"=>"钵",
+"罈"=>"坛",
+"罌"=>"罂",
+"罰"=>"罚",
+"罵"=>"骂",
+"罷"=>"罢",
+"羅"=>"罗",
+"羆"=>"罴",
+"羈"=>"羁",
+"羋"=>"芈",
+"羥"=>"羟",
+"義"=>"义",
+"習"=>"习",
+"翹"=>"翘",
+"耬"=>"耧",
+"耮"=>"耢",
+"聖"=>"圣",
+"聞"=>"闻",
+"聯"=>"联",
+"聰"=>"聪",
+"聲"=>"声",
+"聳"=>"耸",
+"聵"=>"聩",
+"聶"=>"聂",
+"職"=>"职",
+"聹"=>"聍",
+"聽"=>"听",
+"聾"=>"聋",
+"肅"=>"肃",
+"胜"=>"胜",
+"脅"=>"胁",
+"脈"=>"脉",
+"脛"=>"胫",
+"脫"=>"脱",
+"脹"=>"胀",
+"腊"=>"腊",
+"腎"=>"肾",
+"腖"=>"胨",
+"腡"=>"脶",
+"腦"=>"脑",
+"腫"=>"肿",
+"腳"=>"脚",
+"腸"=>"肠",
+"膃"=>"腽",
+"膚"=>"肤",
+"膠"=>"胶",
+"膩"=>"腻",
+"膽"=>"胆",
+"膾"=>"脍",
+"膿"=>"脓",
+"臉"=>"脸",
+"臍"=>"脐",
+"臏"=>"膑",
+"臘"=>"腊",
+"臚"=>"胪",
+"臟"=>"脏",
+"臠"=>"脔",
+"臢"=>"臜",
+"臥"=>"卧",
+"臨"=>"临",
+"臺"=>"台",
+"與"=>"与",
+"興"=>"兴",
+"舉"=>"举",
+"舊"=>"旧",
+"艙"=>"舱",
+"艤"=>"舣",
+"艦"=>"舰",
+"艫"=>"舻",
+"艱"=>"艰",
+"艷"=>"艳",
+"芻"=>"刍",
+"苎"=>"苧",
+"苧"=>"苎",
+"苹"=>"苹",
+"范"=>"范",
+"茲"=>"兹",
+"荊"=>"荆",
+"莊"=>"庄",
+"莖"=>"茎",
+"莢"=>"荚",
+"莧"=>"苋",
+"華"=>"华",
+"萇"=>"苌",
+"萊"=>"莱",
+"萬"=>"万",
+"萵"=>"莴",
+"葉"=>"叶",
+"葒"=>"荭",
+"著"=>"着",
+"葤"=>"荮",
+"葦"=>"苇",
+"葯"=>"药",
+"葷"=>"荤",
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+"蒔"=>"莳",
+"蒞"=>"莅",
+"蒼"=>"苍",
+"蓀"=>"荪",
+"蓋"=>"盖",
+"蓮"=>"莲",
+"蓯"=>"苁",
+"蓴"=>"莼",
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+"蔭"=>"荫",
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+"薀"=>"蕰",
+"薈"=>"荟",
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+"薦"=>"荐",
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+"藺"=>"蔺",
+"蘄"=>"蕲",
+"蘆"=>"芦",
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+"蘞"=>"蔹",
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+"蘭"=>"兰",
+"蘺"=>"蓠",
+"蘿"=>"萝",
+"虆"=>"蔂",
+"處"=>"处",
+"虛"=>"虚",
+"虜"=>"虏",
+"號"=>"号",
+"虧"=>"亏",
+"虫"=>"虫",
+"虯"=>"虬",
+"蛺"=>"蛱",
+"蛻"=>"蜕",
+"蜆"=>"蚬",
+"蜡"=>"蜡",
+"蝕"=>"蚀",
+"蝟"=>"猬",
+"蝦"=>"虾",
+"蝸"=>"蜗",
+"螄"=>"蛳",
+"螞"=>"蚂",
+"螢"=>"萤",
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+"螿"=>"螀",
+"蟄"=>"蛰",
+"蟈"=>"蝈",
+"蟎"=>"螨",
+"蟣"=>"虮",
+"蟬"=>"蝉",
+"蟯"=>"蛲",
+"蟲"=>"虫",
+"蟶"=>"蛏",
+"蟻"=>"蚁",
+"蠅"=>"蝇",
+"蠆"=>"虿",
+"蠐"=>"蛴",
+"蠑"=>"蝾",
+"蠟"=>"蜡",
+"蠣"=>"蛎",
+"蠨"=>"蟏",
+"蠱"=>"蛊",
+"蠶"=>"蚕",
+"蠻"=>"蛮",
+"衆"=>"众",
+"衊"=>"蔑",
+"術"=>"术",
+"衕"=>"同",
+"衚"=>"胡",
+"衛"=>"卫",
+"衝"=>"冲",
+"衹"=>"只",
+"袞"=>"衮",
+"裊"=>"袅",
+"裏"=>"里",
+"補"=>"补",
+"裝"=>"装",
+"裡"=>"里",
+"製"=>"制",
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+"褌"=>"裈",
+"褘"=>"袆",
+"褲"=>"裤",
+"褳"=>"裢",
+"褸"=>"褛",
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+"襇"=>"裥",
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+"襖"=>"袄",
+"襝"=>"裣",
+"襠"=>"裆",
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+"襯"=>"衬",
+"襲"=>"袭",
+"覆"=>"复",
+"見"=>"见",
+"覎"=>"觃",
+"規"=>"规",
+"覓"=>"觅",
+"視"=>"视",
+"覘"=>"觇",
+"覡"=>"觋",
+"覥"=>"觍",
+"覦"=>"觎",
+"親"=>"亲",
+"覬"=>"觊",
+"覯"=>"觏",
+"覲"=>"觐",
+"覷"=>"觑",
+"覺"=>"觉",
+"覽"=>"览",
+"覿"=>"觌",
+"觀"=>"观",
+"觴"=>"觞",
+"觶"=>"觯",
+"觸"=>"触",
+"訁"=>"讠",
+"訂"=>"订",
+"訃"=>"讣",
+"計"=>"计",
+"訊"=>"讯",
+"訌"=>"讧",
+"討"=>"讨",
+"訐"=>"讦",
+"訒"=>"讱",
+"訓"=>"训",
+"訕"=>"讪",
+"訖"=>"讫",
+"託"=>"讬",
+"記"=>"记",
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+"訟"=>"讼",
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+"註"=>"注",
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+"說"=>"说",
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+"謎"=>"谜",
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+"謔"=>"谑",
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+"謡"=>"谣",
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+"謫"=>"谪",
+"謬"=>"谬",
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+"謳"=>"讴",
+"謹"=>"谨",
+"謾"=>"谩",
+"證"=>"证",
+"譎"=>"谲",
+"譏"=>"讥",
+"譖"=>"谮",
+"識"=>"识",
+"譙"=>"谯",
+"譚"=>"谭",
+"譜"=>"谱",
+"譫"=>"谵",
+"譯"=>"译",
+"議"=>"议",
+"譴"=>"谴",
+"護"=>"护",
+"譸"=>"诪",
+"譽"=>"誉",
+"譾"=>"谫",
+"讀"=>"读",
+"變"=>"变",
+"讎"=>"仇",
+"讎"=>"雠",
+"讒"=>"谗",
+"讓"=>"让",
+"讕"=>"谰",
+"讖"=>"谶",
+"讜"=>"谠",
+"讞"=>"谳",
+"豈"=>"岂",
+"豎"=>"竖",
+"豐"=>"丰",
+"豬"=>"猪",
+"豶"=>"豮",
+"貓"=>"猫",
+"貝"=>"贝",
+"貞"=>"贞",
+"貟"=>"贠",
+"負"=>"负",
+"財"=>"财",
+"貢"=>"贡",
+"貧"=>"贫",
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+"販"=>"贩",
+"貪"=>"贪",
+"貫"=>"贯",
+"責"=>"责",
+"貯"=>"贮",
+"貰"=>"贳",
+"貲"=>"赀",
+"貳"=>"贰",
+"貴"=>"贵",
+"貶"=>"贬",
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+"貸"=>"贷",
+"貺"=>"贶",
+"費"=>"费",
+"貼"=>"贴",
+"貽"=>"贻",
+"貿"=>"贸",
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+"賁"=>"贲",
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+"賠"=>"赔",
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+"賤"=>"贱",
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+"贐"=>"赆",
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+"趲"=>"趱",
+"跡"=>"迹",
+"踐"=>"践",
+"踴"=>"踊",
+"蹌"=>"跄",
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+"蹣"=>"蹒",
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+"蹺"=>"跷",
+"躂"=>"跶",
+"躉"=>"趸",
+"躊"=>"踌",
+"躋"=>"跻",
+"躍"=>"跃",
+"躑"=>"踯",
+"躒"=>"跞",
+"躓"=>"踬",
+"躕"=>"蹰",
+"躚"=>"跹",
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+"躥"=>"蹿",
+"躦"=>"躜",
+"躪"=>"躏",
+"軀"=>"躯",
+"車"=>"车",
+"軋"=>"轧",
+"軌"=>"轨",
+"軍"=>"军",
+"軑"=>"轪",
+"軒"=>"轩",
+"軔"=>"轫",
+"軛"=>"轭",
+"軟"=>"软",
+"軤"=>"轷",
+"軫"=>"轸",
+"軲"=>"轱",
+"軸"=>"轴",
+"軹"=>"轵",
+"軺"=>"轺",
+"軻"=>"轲",
+"軼"=>"轶",
+"軾"=>"轼",
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+"輅"=>"辂",
+"輇"=>"辁",
+"輈"=>"辀",
+"載"=>"载",
+"輊"=>"轾",
+"輒"=>"辄",
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+"輩"=>"辈",
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+"輯"=>"辑",
+"輳"=>"辏",
+"輸"=>"输",
+"輻"=>"辐",
+"輾"=>"辗",
+"輿"=>"舆",
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+"轂"=>"毂",
+"轄"=>"辖",
+"轅"=>"辕",
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+"轉"=>"转",
+"轍"=>"辙",
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+"轟"=>"轰",
+"轡"=>"辔",
+"轢"=>"轹",
+"轤"=>"轳",
+"辟"=>"辟",
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+"辮"=>"辫",
+"辯"=>"辩",
+"農"=>"农",
+"迴"=>"回",
+"适"=>"适",
+"逕"=>"迳",
+"這"=>"这",
+"連"=>"连",
+"週"=>"周",
+"進"=>"进",
+"遊"=>"游",
+"運"=>"运",
+"過"=>"过",
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+"邇"=>"迩",
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+"郁"=>"郁",
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+"鄆"=>"郓",
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+"醖"=>"酝",
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+"釓"=>"钆",
+"釔"=>"钇",
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+"銫"=>"铯",
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+"鋼"=>"钢",
+"錁"=>"锞",
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+"錆"=>"锖",
+"錇"=>"锫",
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+"錮"=>"锢",
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+"錶"=>"表",
+"錸"=>"铼",
+"鍀"=>"锝",
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+"鐃"=>"铙",
+"鐋"=>"铴",
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+"鐒"=>"铹",
+"鐓"=>"镦",
+"鐔"=>"镡",
+"鐘"=>"钟",
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+"鐠"=>"镨",
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+"鐧"=>"锏",
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+"鐫"=>"镌",
+"鐮"=>"镰",
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+"鐳"=>"镭",
+"鐵"=>"铁",
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+"鑌"=>"镔",
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+"鑔"=>"镲",
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+"鑠"=>"铄",
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+"鑥"=>"镥",
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+"鑰"=>"钥",
+"鑱"=>"镵",
+"鑲"=>"镶",
+"鑷"=>"镊",
+"鑹"=>"镩",
+"鑼"=>"锣",
+"鑽"=>"钻",
+"鑾"=>"銮",
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+"镟"=>"旋",
+"長"=>"长",
+"門"=>"门",
+"閂"=>"闩",
+"閃"=>"闪",
+"閆"=>"闫",
+"閈"=>"闬",
+"閉"=>"闭",
+"開"=>"开",
+"閌"=>"闶",
+"閎"=>"闳",
+"閏"=>"闰",
+"閑"=>"闲",
+"間"=>"间",
+"閔"=>"闵",
+"閘"=>"闸",
+"閡"=>"阂",
+"閣"=>"阁",
+"閤"=>"合",
+"閥"=>"阀",
+"閨"=>"闺",
+"閩"=>"闽",
+"閫"=>"阃",
+"閬"=>"阆",
+"閭"=>"闾",
+"閱"=>"阅",
+"閲"=>"阅",
+"閶"=>"阊",
+"閹"=>"阉",
+"閻"=>"阎",
+"閼"=>"阏",
+"閽"=>"阍",
+"閾"=>"阈",
+"閿"=>"阌",
+"闃"=>"阒",
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+"闈"=>"闱",
+"闊"=>"阔",
+"闋"=>"阕",
+"闌"=>"阑",
+"闍"=>"阇",
+"闐"=>"阗",
+"闒"=>"阘",
+"闓"=>"闿",
+"闔"=>"阖",
+"闕"=>"阙",
+"闖"=>"闯",
+"關"=>"关",
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+"闠"=>"阓",
+"闡"=>"阐",
+"闤"=>"阛",
+"闥"=>"闼",
+"阪"=>"坂",
+"陘"=>"陉",
+"陝"=>"陕",
+"陣"=>"阵",
+"陰"=>"阴",
+"陳"=>"陈",
+"陸"=>"陆",
+"陽"=>"阳",
+"隉"=>"陧",
+"隊"=>"队",
+"階"=>"阶",
+"隕"=>"陨",
+"際"=>"际",
+"隨"=>"随",
+"險"=>"险",
+"隱"=>"隐",
+"隴"=>"陇",
+"隸"=>"隶",
+"隻"=>"只",
+"雋"=>"隽",
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+"雛"=>"雏",
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+"雞"=>"鸡",
+"離"=>"离",
+"難"=>"难",
+"雲"=>"云",
+"電"=>"电",
+"霢"=>"霡",
+"霧"=>"雾",
+"霽"=>"霁",
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+"靄"=>"霭",
+"靈"=>"灵",
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+"靦"=>"腼",
+"靨"=>"靥",
+"鞀"=>"鼗",
+"鞏"=>"巩",
+"鞝"=>"绱",
+"鞦"=>"秋",
+"鞽"=>"鞒",
+"韁"=>"缰",
+"韃"=>"鞑",
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+"韉"=>"鞯",
+"韋"=>"韦",
+"韌"=>"韧",
+"韍"=>"韨",
+"韓"=>"韩",
+"韙"=>"韪",
+"韜"=>"韬",
+"韞"=>"韫",
+"韻"=>"韵",
+"響"=>"响",
+"頁"=>"页",
+"頂"=>"顶",
+"頃"=>"顷",
+"項"=>"项",
+"順"=>"顺",
+"頇"=>"顸",
+"須"=>"须",
+"頊"=>"顼",
+"頌"=>"颂",
+"頎"=>"颀",
+"頏"=>"颃",
+"預"=>"预",
+"頑"=>"顽",
+"頒"=>"颁",
+"頓"=>"顿",
+"頗"=>"颇",
+"領"=>"领",
+"頜"=>"颌",
+"頡"=>"颉",
+"頤"=>"颐",
+"頦"=>"颏",
+"頭"=>"头",
+"頮"=>"颒",
+"頰"=>"颊",
+"頲"=>"颋",
+"頴"=>"颕",
+"頷"=>"颔",
+"頸"=>"颈",
+"頹"=>"颓",
+"頻"=>"频",
+"頽"=>"颓",
+"顆"=>"颗",
+"題"=>"题",
+"額"=>"额",
+"顎"=>"颚",
+"顏"=>"颜",
+"顒"=>"颙",
+"顓"=>"颛",
+"顔"=>"颜",
+"願"=>"愿",
+"顙"=>"颡",
+"顛"=>"颠",
+"類"=>"类",
+"顢"=>"颟",
+"顥"=>"颢",
+"顧"=>"顾",
+"顫"=>"颤",
+"顬"=>"颥",
+"顯"=>"显",
+"顰"=>"颦",
+"顱"=>"颅",
+"顳"=>"颞",
+"顴"=>"颧",
+"風"=>"风",
+"颭"=>"飐",
+"颮"=>"飑",
+"颯"=>"飒",
+"颱"=>"台",
+"颳"=>"刮",
+"颶"=>"飓",
+"颸"=>"飔",
+"颺"=>"飏",
+"颻"=>"飖",
+"颼"=>"飕",
+"飀"=>"飗",
+"飄"=>"飘",
+"飆"=>"飙",
+"飈"=>"飚",
+"飛"=>"飞",
+"飠"=>"饣",
+"飢"=>"饥",
+"飣"=>"饤",
+"飥"=>"饦",
+"飩"=>"饨",
+"飪"=>"饪",
+"飫"=>"饫",
+"飭"=>"饬",
+"飯"=>"饭",
+"飲"=>"饮",
+"飴"=>"饴",
+"飼"=>"饲",
+"飽"=>"饱",
+"飾"=>"饰",
+"飿"=>"饳",
+"餃"=>"饺",
+"餄"=>"饸",
+"餅"=>"饼",
+"餉"=>"饷",
+"養"=>"养",
+"餌"=>"饵",
+"餎"=>"饹",
+"餏"=>"饻",
+"餑"=>"饽",
+"餒"=>"馁",
+"餓"=>"饿",
+"餕"=>"馂",
+"餖"=>"饾",
+"餚"=>"肴",
+"餛"=>"馄",
+"餜"=>"馃",
+"餞"=>"饯",
+"餡"=>"馅",
+"館"=>"馆",
+"餱"=>"糇",
+"餳"=>"饧",
+"餶"=>"馉",
+"餷"=>"馇",
+"餺"=>"馎",
+"餼"=>"饩",
+"餾"=>"馏",
+"餿"=>"馊",
+"饁"=>"馌",
+"饃"=>"馍",
+"饅"=>"馒",
+"饈"=>"馐",
+"饉"=>"馑",
+"饊"=>"馓",
+"饋"=>"馈",
+"饌"=>"馔",
+"饑"=>"饥",
+"饒"=>"饶",
+"饗"=>"飨",
+"饜"=>"餍",
+"饞"=>"馋",
+"饢"=>"馕",
+"馬"=>"马",
+"馭"=>"驭",
+"馮"=>"冯",
+"馱"=>"驮",
+"馳"=>"驰",
+"馴"=>"驯",
+"馹"=>"驲",
+"駁"=>"驳",
+"駐"=>"驻",
+"駑"=>"驽",
+"駒"=>"驹",
+"駔"=>"驵",
+"駕"=>"驾",
+"駘"=>"骀",
+"駙"=>"驸",
+"駛"=>"驶",
+"駝"=>"驼",
+"駟"=>"驷",
+"駡"=>"骂",
+"駢"=>"骈",
+"駭"=>"骇",
+"駰"=>"骃",
+"駱"=>"骆",
+"駸"=>"骎",
+"駿"=>"骏",
+"騁"=>"骋",
+"騂"=>"骍",
+"騅"=>"骓",
+"騌"=>"骔",
+"騍"=>"骒",
+"騎"=>"骑",
+"騏"=>"骐",
+"騖"=>"骛",
+"騙"=>"骗",
+"騤"=>"骙",
+"騫"=>"骞",
+"騭"=>"骘",
+"騮"=>"骝",
+"騰"=>"腾",
+"騶"=>"驺",
+"騷"=>"骚",
+"騸"=>"骟",
+"騾"=>"骡",
+"驀"=>"蓦",
+"驁"=>"骜",
+"驂"=>"骖",
+"驃"=>"骠",
+"驄"=>"骢",
+"驅"=>"驱",
+"驊"=>"骅",
+"驌"=>"骕",
+"驍"=>"骁",
+"驏"=>"骣",
+"驕"=>"骄",
+"驗"=>"验",
+"驚"=>"惊",
+"驛"=>"驿",
+"驟"=>"骤",
+"驢"=>"驴",
+"驤"=>"骧",
+"驥"=>"骥",
+"驦"=>"骦",
+"驪"=>"骊",
+"驫"=>"骉",
+"骯"=>"肮",
+"髏"=>"髅",
+"髒"=>"脏",
+"體"=>"体",
+"髕"=>"髌",
+"髖"=>"髋",
+"髮"=>"发",
+"鬆"=>"松",
+"鬍"=>"胡",
+"鬚"=>"须",
+"鬢"=>"鬓",
+"鬥"=>"斗",
+"鬧"=>"闹",
+"鬩"=>"阋",
+"鬮"=>"阄",
+"鬱"=>"郁",
+"魎"=>"魉",
+"魘"=>"魇",
+"魚"=>"鱼",
+"魛"=>"鱽",
+"魢"=>"鱾",
+"魨"=>"鲀",
+"魯"=>"鲁",
+"魴"=>"鲂",
+"魷"=>"鱿",
+"魺"=>"鲄",
+"鮁"=>"鲅",
+"鮃"=>"鲆",
+"鮊"=>"鲌",
+"鮋"=>"鲉",
+"鮍"=>"鲏",
+"鮎"=>"鲇",
+"鮐"=>"鲐",
+"鮑"=>"鲍",
+"鮒"=>"鲋",
+"鮓"=>"鲊",
+"鮚"=>"鲒",
+"鮜"=>"鲘",
+"鮝"=>"鲞",
+"鮞"=>"鲕",
+"鮦"=>"鲖",
+"鮪"=>"鲔",
+"鮫"=>"鲛",
+"鮭"=>"鲑",
+"鮮"=>"鲜",
+"鮳"=>"鲓",
+"鮶"=>"鲪",
+"鮺"=>"鲝",
+"鯀"=>"鲧",
+"鯁"=>"鲠",
+"鯇"=>"鲩",
+"鯉"=>"鲤",
+"鯊"=>"鲨",
+"鯒"=>"鲬",
+"鯔"=>"鲻",
+"鯕"=>"鲯",
+"鯖"=>"鲭",
+"鯗"=>"鲞",
+"鯛"=>"鲷",
+"鯝"=>"鲴",
+"鯡"=>"鲱",
+"鯢"=>"鲵",
+"鯤"=>"鲲",
+"鯧"=>"鲳",
+"鯨"=>"鲸",
+"鯪"=>"鲮",
+"鯫"=>"鲰",
+"鯴"=>"鲺",
+"鯷"=>"鳀",
+"鯽"=>"鲫",
+"鯿"=>"鳊",
+"鰁"=>"鳈",
+"鰂"=>"鲗",
+"鰃"=>"鳂",
+"鰈"=>"鲽",
+"鰉"=>"鳇",
+"鰍"=>"鳅",
+"鰏"=>"鲾",
+"鰐"=>"鳄",
+"鰒"=>"鳆",
+"鰓"=>"鳃",
+"鰜"=>"鳒",
+"鰟"=>"鳑",
+"鰠"=>"鳋",
+"鰣"=>"鲥",
+"鰥"=>"鳏",
+"鰨"=>"鳎",
+"鰩"=>"鳐",
+"鰭"=>"鳍",
+"鰮"=>"鳁",
+"鰱"=>"鲢",
+"鰲"=>"鳌",
+"鰳"=>"鳓",
+"鰵"=>"鳘",
+"鰷"=>"鲦",
+"鰹"=>"鲣",
+"鰺"=>"鲹",
+"鰻"=>"鳗",
+"鰼"=>"鳛",
+"鰾"=>"鳔",
+"鱂"=>"鳉",
+"鱅"=>"鳙",
+"鱈"=>"鳕",
+"鱉"=>"鳖",
+"鱒"=>"鳟",
+"鱔"=>"鳝",
+"鱖"=>"鳜",
+"鱗"=>"鳞",
+"鱘"=>"鲟",
+"鱝"=>"鲼",
+"鱟"=>"鲎",
+"鱠"=>"鲙",
+"鱣"=>"鳣",
+"鱤"=>"鳡",
+"鱧"=>"鳢",
+"鱨"=>"鲿",
+"鱭"=>"鲚",
+"鱯"=>"鳠",
+"鱷"=>"鳄",
+"鱸"=>"鲈",
+"鱺"=>"鲡",
+"䰾"=>"鲃",
+"䲁"=>"鳚",
+"鳥"=>"鸟",
+"鳧"=>"凫",
+"鳩"=>"鸠",
+"鳬"=>"凫",
+"鳲"=>"鸤",
+"鳳"=>"凤",
+"鳴"=>"鸣",
+"鳶"=>"鸢",
+"鳾"=>"䴓",
+"鴆"=>"鸩",
+"鴇"=>"鸨",
+"鴉"=>"鸦",
+"鴒"=>"鸰",
+"鴕"=>"鸵",
+"鴛"=>"鸳",
+"鴝"=>"鸲",
+"鴞"=>"鸮",
+"鴟"=>"鸱",
+"鴣"=>"鸪",
+"鴦"=>"鸯",
+"鴨"=>"鸭",
+"鴯"=>"鸸",
+"鴰"=>"鸹",
+"鴴"=>"鸻",
+"鴷"=>"䴕",
+"鴻"=>"鸿",
+"鴿"=>"鸽",
+"鵁"=>"䴔",
+"鵂"=>"鸺",
+"鵃"=>"鸼",
+"鵐"=>"鹀",
+"鵑"=>"鹃",
+"鵒"=>"鹆",
+"鵓"=>"鹁",
+"鵜"=>"鹈",
+"鵝"=>"鹅",
+"鵠"=>"鹄",
+"鵡"=>"鹉",
+"鵪"=>"鹌",
+"鵬"=>"鹏",
+"鵮"=>"鹐",
+"鵯"=>"鹎",
+"鵲"=>"鹊",
+"鵷"=>"鹓",
+"鵾"=>"鹍",
+"鶄"=>"䴖",
+"鶇"=>"鸫",
+"鶉"=>"鹑",
+"鶊"=>"鹒",
+"鶓"=>"鹋",
+"鶖"=>"鹙",
+"鶘"=>"鹕",
+"鶚"=>"鹗",
+"鶡"=>"鹖",
+"鶥"=>"鹛",
+"鶩"=>"鹜",
+"鶪"=>"䴗",
+"鶬"=>"鸧",
+"鶯"=>"莺",
+"鶲"=>"鹟",
+"鶴"=>"鹤",
+"鶹"=>"鹠",
+"鶺"=>"鹡",
+"鶻"=>"鹘",
+"鶼"=>"鹣",
+"鶿"=>"鹚",
+"鷀"=>"鹚",
+"鷁"=>"鹢",
+"鷂"=>"鹞",
+"鷄"=>"鸡",
+"鷈"=>"䴘",
+"鷊"=>"鹝",
+"鷓"=>"鹧",
+"鷖"=>"鹥",
+"鷗"=>"鸥",
+"鷙"=>"鸷",
+"鷚"=>"鹨",
+"鷥"=>"鸶",
+"鷦"=>"鹪",
+"鷫"=>"鹔",
+"鷯"=>"鹩",
+"鷲"=>"鹫",
+"鷳"=>"鹇",
+"鷸"=>"鹬",
+"鷹"=>"鹰",
+"鷺"=>"鹭",
+"鷽"=>"鸴",
+"鷿"=>"䴙",
+"鸇"=>"鹯",
+"鸌"=>"鹱",
+"鸏"=>"鹲",
+"鸕"=>"鸬",
+"鸘"=>"鹴",
+"鸚"=>"鹦",
+"鸛"=>"鹳",
+"鸝"=>"鹂",
+"鸞"=>"鸾",
+"鹵"=>"卤",
+"鹹"=>"咸",
+"鹺"=>"鹾",
+"鹽"=>"盐",
+"麗"=>"丽",
+"麥"=>"麦",
+"麩"=>"麸",
+"麯"=>"曲",
+"麵"=>"面",
+"麼"=>"么",
+"麽"=>"么",
+"黃"=>"黄",
+"黌"=>"黉",
+"點"=>"点",
+"黨"=>"党",
+"黲"=>"黪",
+"黴"=>"霉",
+"黶"=>"黡",
+"黷"=>"黩",
+"黽"=>"黾",
+"黿"=>"鼋",
+"鼉"=>"鼍",
+"鼕"=>"冬",
+"鼴"=>"鼹",
+"齊"=>"齐",
+"齋"=>"斋",
+"齎"=>"赍",
+"齏"=>"齑",
+"齒"=>"齿",
+"齔"=>"龀",
+"齕"=>"龁",
+"齗"=>"龂",
+"齙"=>"龅",
+"齜"=>"龇",
+"齟"=>"龃",
+"齠"=>"龆",
+"齡"=>"龄",
+"齣"=>"出",
+"齦"=>"龈",
+"齪"=>"龊",
+"齬"=>"龉",
+"齲"=>"龋",
+"齶"=>"腭",
+"齷"=>"龌",
+"龍"=>"龙",
+"龎"=>"厐",
+"龐"=>"庞",
+"龔"=>"龚",
+"龕"=>"龛",
+"龜"=>"龟",
+
+"幾畫" => 	"几画",
+"賣畫" => 	"卖画",
+"滷鹼" => 	"卤碱",
+"原畫" => 	"原画",
+"口鹼" => 	"口碱",
+"古畫" => 	"古画",
+"名畫" => 	"名画",
+"奇畫" => 	"奇画",
+"如畫" => 	"如画",
+"么 " => 	"幺 ",
+"么廝" => 	"幺厮",
+"么爹" => 	"幺爹",
+"弱鹼" => 	"弱碱",
+"彩畫" => 	"彩画",
+"所畫" => 	"所画",
+"扉畫" => 	"扉画",
+"教畫" => 	"教画",
+"楊么" => 	"杨幺",
+"水鹼" => 	"水碱",
+"洋鹼" => 	"洋碱",
+"炭畫" => 	"炭画",
+"畫一" => 	"画一",
+"畫上" => 	"画上",
+"畫下" => 	"画下",
+"畫中" => 	"画中",
+"畫供" => 	"画供",
+"畫兒" => 	"画儿",
+"畫具" => 	"画具",
+"畫出" => 	"画出",
+"畫史" => 	"画史",
+"畫品" => 	"画品",
+"畫商" => 	"画商",
+"畫圈" => 	"画圈",
+"畫境" => 	"画境",
+"畫工" => 	"画工",
+"畫帖" => 	"画帖",
+"畫幅" => 	"画幅",
+"畫意" => 	"画意",
+"畫成" => 	"画成",
+"畫景" => 	"画景",
+"畫本" => 	"画本",
+"畫架" => 	"画架",
+"畫框" => 	"画框",
+"畫法" => 	"画法",
+"畫王" => 	"画王",
+"畫界" => 	"画界",
+"畫符" => 	"画符",
+"畫紙" => 	"画纸",
+"畫線" => 	"画线",
+"畫航" => 	"画航",
+"畫舫" => 	"画舫",
+"畫虎" => 	"画虎",
+"畫論" => 	"画论",
+"畫譜" => 	"画谱",
+"畫象" => 	"画象",
+"畫質" => 	"画质",
+"畫貼" => 	"画贴",
+"畫軸" => 	"画轴",
+"畫頁" => 	"画页",
+"鹽鹼" => 	"盐碱",
+"鹼 " => 	"碱 ",
+"鹼基" => 	"碱基",
+"鹼度" => 	"碱度",
+"鹼水" => 	"碱水",
+"鹼熔" => 	"碱熔",
+"磁畫" => 	"磁画",
+"策畫" => 	"策画",
+"組畫" => 	"组画",
+"絹畫" => 	"绢画",
+"老么" => 	"老幺",
+"耐鹼" => 	"耐碱",
+"肉鹼" => 	"肉碱",
+"膠畫" => 	"胶画",
+"茶鹼" => 	"茶碱",
+"西畫" => 	"西画",
+"貼畫" => 	"贴画",
+"返鹼" => 	"返碱",
+"那麼" => 	"那麽",
+"鍾鍛" => 	"锺锻",
+"鍛鍾" => 	"锻锺",
+"雕畫" => 	"雕画",
+"鯰 " => 	"鲶 ",
+"麼 " => 	"麽 ",
+"三聯畫" => 	"三联画",
+"中國畫" => 	"中国画",
+"書畫 " => 	"书画 ",
+"書畫社" => 	"书画社",
+"五筆畫" => 	"五笔画",
+"作畫 " => 	"作画 ",
+"入畫 " => 	"入画 ",
+"寫生畫" => 	"写生画",
+"刻畫 " => 	"刻画 ",
+"動畫 " => 	"动画 ",
+"勾畫 " => 	"勾画 ",
+"單色畫" => 	"单色画",
+"卡通畫" => 	"卡通画",
+"國畫 " => 	"国画 ",
+"圖畫 " => 	"图画 ",
+"壁畫 " => 	"壁画 ",
+"字畫 " => 	"字画 ",
+"宣傳畫" => 	"宣传画",
+"工筆畫" => 	"工笔画",
+"年畫 " => 	"年画 ",
+"幽默畫" => 	"幽默画",
+"指畫 " => 	"指画 ",
+"描畫 " => 	"描画 ",
+"插畫 " => 	"插画 ",
+"擘畫 " => 	"擘画 ",
+"春畫 " => 	"春画 ",
+"木刻畫" => 	"木刻画",
+"機械畫" => 	"机械画",
+"比畫 " => 	"比画 ",
+"毛筆畫" => 	"毛笔画",
+"水粉畫" => 	"水粉画",
+"油畫 " => 	"油画 ",
+"海景畫" => 	"海景画",
+"漫畫 " => 	"漫画 ",
+"點畫 " => 	"点画 ",
+"版畫 " => 	"版画 ",
+"畫  " => 	"画  ",
+"畫像 " => 	"画像 ",
+"畫冊 " => 	"画册 ",
+"畫刊 " => 	"画刊 ",
+"畫匠 " => 	"画匠 ",
+"畫捲 " => 	"画卷 ",
+"畫圖 " => 	"画图 ",
+"畫壇 " => 	"画坛 ",
+"畫室 " => 	"画室 ",
+"畫家 " => 	"画家 ",
+"畫屏 " => 	"画屏 ",
+"畫展 " => 	"画展 ",
+"畫布 " => 	"画布 ",
+"畫師 " => 	"画师 ",
+"畫廊 " => 	"画廊 ",
+"畫報 " => 	"画报 ",
+"畫押 " => 	"画押 ",
+"畫板 " => 	"画板 ",
+"畫片 " => 	"画片 ",
+"畫畫 " => 	"画画 ",
+"畫皮 " => 	"画皮 ",
+"畫眉鳥" => 	"画眉鸟",
+"畫稿 " => 	"画稿 ",
+"畫筆 " => 	"画笔 ",
+"畫院 " => 	"画院 ",
+"畫集 " => 	"画集 ",
+"畫面 " => 	"画面 ",
+"筆畫 " => 	"笔画 ",
+"細密畫" => 	"细密画",
+"繪畫 " => 	"绘画 ",
+"自畫像" => 	"自画像",
+"蠟筆畫" => 	"蜡笔画",
+"裸體畫" => 	"裸体画",
+"西洋畫" => 	"西洋画",
+"透視畫" => 	"透视画",
+"銅版畫" => 	"铜版画",
+"鍾  " => 	"锺  ",
+"靜物畫" => 	"静物画",
+"餘  " => 	"馀  ",
+"記憶體"=>"内存",
+"預設"=>"默认",
+"預設"=>"缺省",
+"串列"=>"串行",
+"乙太網"=>"以太网",
+"點陣圖"=>"位图",
+"常式"=>"例程",
+"通道"=>"信道",
+"游標"=>"光标",
+"光碟"=>"光盘",
+"光碟機"=>"光驱",
+"全形"=>"全角",
+"共用"=>"共享",
+"相容"=>"兼容",
+"首碼"=>"前缀",
+"尾碼"=>"后缀",
+"載入"=>"加载",
+"半形"=>"半角",
+"變數"=>"变量",
+"雜訊"=>"噪声",
+"因數"=>"因子",
+"線上"=>"在线",
+"離線"=>"脱机",
+"功能變數名稱"=>"域名",
+"音效卡"=>"声卡",
+"字型大小"=>"字号",
+"字型檔"=>"字库",
+"欄位"=>"字段",
+"字元"=>"字符",
+"存檔"=>"存盘",
+"定址"=>"寻址",
+"章節附註"=>"尾注",
+"非同步"=>"异步",
+"匯流排"=>"总线",
+"括弧"=>"括号",
+"介面"=>"接口",
+"控制項"=>"控件",
+"許可權"=>"权限",
+"碟片"=>"盘片",
+"矽片"=>"硅片",
+"矽谷"=>"硅谷",
+"硬碟"=>"硬盘",
+"磁碟"=>"磁盘",
+"磁軌"=>"磁道",
+"程式控制"=>"程控",
+"埠"=>"端口",
+"運算元"=>"算子",
+"演算法"=>"算法",
+"晶片"=>"芯片",
+"晶元"=>"芯片",
+"片語"=>"词组",
+"解碼"=>"译码",
+"軟碟機"=>"软驱",
+"快閃記憶體"=>"闪存",
+"滑鼠"=>"鼠标",
+"進位"=>"进制",
+"互動式"=>"交互式",
+"模擬"=>"仿真",
+"優先順序"=>"优先级",
+"感測"=>"传感",
+"攜帶型"=>"便携式",
+"資訊理論"=>"信息论",
+"迴圈"=>"循环",
+"防寫"=>"写保护",
+"分散式"=>"分布式",
+"解析度"=>"分辨率",
+"程式"=>"程序",
+"伺服器"=>"服务器",
+"等於"=>"等于",
+"區域網"=>"局域网",
+"上傳"=>"上载",
+"電腦"=>"计算机",
+"巨集"=>"宏",
+"掃瞄器"=>"扫瞄仪",
+"寬頻"=>"宽带",
+"視窗"=>"窗口",
+"資料庫"=>"数据库",
+"西曆"=>"公历",
+"乳酪"=>"奶酪",
+"鉅賈"=>"巨商",
+"手電筒"=>"手电",
+"萬曆"=>"万历",
+"永曆"=>"永历",
+"辭彙"=>"词汇",
+"保全"=>"保安",
+"慣用"=>"习用",
+"母音"=>"元音",
+"自由球"=>"任意球",
+"頭槌"=>"头球",
+"進球"=>"入球",
+"顆進球"=>"粒入球",
+"射門"=>"打门",
+"蓋火鍋"=>"火锅盖帽",
+"印表機"=>"打印机",
+"打印機"=>"打印机",
+"位元組"=>"字节",
+"字節"=>"字节",
+"列印"=>"打印",
+"打印"=>"打印",
+"硬體"=>"硬件",
+"二極體"=>"二极管",
+"二極管"=>"二极管",
+"三極體"=>"三极管",
+"三極管"=>"三极管",
+"數位"=>"数码",
+"數碼"=>"数码",
+"軟體"=>"软件",
+"軟件"=>"软件",
+"網路"=>"网络",
+"網絡"=>"网络",
+"人工智慧"=>"人工智能",
+"太空梭"=>"航天飞机",
+"穿梭機"=>"航天飞机",
+"網際網路"=>"因特网",
+"互聯網"=>"因特网",
+"機械人"=>"机器人",
+"機器人"=>"机器人",
+"行動電話"=>"移动电话",
+"流動電話"=>"移动电话",
+"調制解調器"=>"调制解调器",
+"數據機"=>"调制解调器",
+"短訊"=>"短信",
+"簡訊"=>"短信",
+"烏茲別克"=>"乌兹别克斯坦",
+"查德"=>"乍得",
+"乍得"=>"乍得",
+"也門"=>"",
+"葉門"=>"也门",
+"伯利茲"=>"伯利兹",
+"貝里斯"=>"伯利兹",
+"維德角"=>"佛得角",
+"佛得角"=>"佛得角",
+"克羅地亞"=>"克罗地亚",
+"克羅埃西亞"=>"克罗地亚",
+"岡比亞"=>"冈比亚",
+"甘比亞"=>"冈比亚",
+"幾內亞比紹"=>"几内亚比绍",
+"幾內亞比索"=>"几内亚比绍",
+"列支敦斯登"=>"列支敦士登",
+"列支敦士登"=>"列支敦士登",
+"利比里亞"=>"利比里亚",
+"賴比瑞亞"=>"利比里亚",
+"加納"=>"加纳",
+"迦納"=>"加纳",
+"加彭"=>"加蓬",
+"加蓬"=>"加蓬",
+"博茨瓦納"=>"博茨瓦纳",
+"波札那"=>"博茨瓦纳",
+"卡塔爾"=>"卡塔尔",
+"卡達"=>"卡塔尔",
+"盧旺達"=>"卢旺达",
+"盧安達"=>"卢旺达",
+"危地馬拉"=>"危地马拉",
+"瓜地馬拉"=>"危地马拉",
+"厄瓜多爾"=>"厄瓜多尔",
+"厄瓜多"=>"厄瓜多尔",
+"厄立特里亞"=>"厄立特里亚",
+"厄利垂亞"=>"厄立特里亚",
+"吉布堤"=>"吉布提",
+"吉布地"=>"吉布提",
+"哈薩克"=>"哈萨克斯坦",
+"哥斯達黎加"=>"哥斯达黎加",
+"哥斯大黎加"=>"哥斯达黎加",
+"圖瓦盧"=>"图瓦卢",
+"吐瓦魯"=>"图瓦卢",
+"土庫曼"=>"土库曼斯坦",
+"聖盧西亞"=>"圣卢西亚",
+"聖露西亞"=>"圣卢西亚",
+"聖吉斯納域斯"=>"圣基茨和尼维斯",
+"聖克里斯多福及尼維斯"=>"圣基茨和尼维斯",
+"聖文森特和格林納丁斯"=>"圣文森特和格林纳丁斯",
+"聖文森及格瑞那丁"=>"圣文森特和格林纳丁斯",
+"聖馬力諾"=>"圣马力诺",
+"聖馬利諾"=>"圣马力诺",
+"圭亞那"=>"圭亚那",
+"蓋亞那"=>"圭亚那",
+"坦桑尼亞"=>"坦桑尼亚",
+"坦尚尼亞"=>"坦桑尼亚",
+"埃塞俄比亞"=>"埃塞俄比亚",
+"衣索比亞"=>"埃塞俄比亚",
+"吉里巴斯"=>"基里巴斯",
+"基里巴斯"=>"基里巴斯",
+"塔吉克"=>"塔吉克斯坦",
+"獅子山"=>"塞拉利昂",
+"塞拉利昂"=>"塞拉利昂",
+"塞普勒斯"=>"塞浦路斯",
+"塞浦路斯"=>"塞浦路斯",
+"塞舌爾"=>"塞舌尔",
+"塞席爾"=>"塞舌尔",
+"多明尼加共和國"=>"多米尼加",
+"多明尼加"=>"多米尼加",
+"多明尼加聯邦"=>"多米尼加联邦",
+"多米尼克"=>"多米尼加联邦",
+"安提瓜和巴布達"=>"安提瓜和巴布达",
+"安地卡及巴布達"=>"安提瓜和巴布达",
+"尼日利亞"=>"尼日利亚",
+"奈及利亞"=>"尼日利亚",
+"尼日爾"=>"尼日尔",
+"尼日"=>"尼日尔",
+"巴貝多"=>"巴巴多斯",
+"巴巴多斯"=>"巴巴多斯",
+"巴布亞新畿內亞"=>"巴布亚新几内亚",
+"巴布亞紐幾內亞"=>"巴布亚新几内亚",
+"布基納法索"=>"布基纳法索",
+"布吉納法索"=>"布基纳法索",
+"蒲隆地"=>"布隆迪",
+"布隆迪"=>"布隆迪",
+"希臘"=>"希腊",
+"帛琉"=>"帕劳",
+"義大利"=>"意大利",
+"意大利"=>"意大利",
+"所羅門群島"=>"所罗门群岛",
+"索羅門群島"=>"所罗门群岛",
+"汶萊"=>"文莱",
+"斯威士蘭"=>"斯威士兰",
+"史瓦濟蘭"=>"斯威士兰",
+"斯洛文尼亞"=>"斯洛文尼亚",
+"斯洛維尼亞"=>"斯洛文尼亚",
+"新西蘭"=>"新西兰",
+"紐西蘭"=>"新西兰",
+"北韓"=>"朝鲜",
+"格林納達"=>"格林纳达",
+"格瑞那達"=>"格林纳达",
+"格魯吉亞"=>"格鲁吉亚",
+"喬治亞"=>"格鲁吉亚",
+"梵蒂岡"=>"梵蒂冈",
+"教廷"=>"梵蒂冈",
+"毛里塔尼亞"=>"毛里塔尼亚",
+"茅利塔尼亞"=>"毛里塔尼亚",
+"毛里裘斯"=>"毛里求斯",
+"模里西斯"=>"毛里求斯",
+"沙地阿拉伯"=>"沙特阿拉伯",
+"沙烏地阿拉伯"=>"沙特阿拉伯",
+"波斯尼亞黑塞哥維那"=>"波斯尼亚和黑塞哥维那",
+"波士尼亞赫塞哥維納"=>"波斯尼亚和黑塞哥维那",
+"津巴布韋"=>"津巴布韦",
+"辛巴威"=>"津巴布韦",
+"宏都拉斯"=>"洪都拉斯",
+"洪都拉斯"=>"洪都拉斯",
+"特立尼達和多巴哥"=>"特立尼达和托巴哥",
+"千里達托貝哥"=>"特立尼达和托巴哥",
+"瑙魯"=>"瑙鲁",
+"諾魯"=>"瑙鲁",
+"瓦努阿圖"=>"瓦努阿图",
+"萬那杜"=>"瓦努阿图",
+"溫納圖"=>"瓦努阿图",
+"科摩羅"=>"科摩罗",
+"葛摩"=>"科摩罗",
+"象牙海岸"=>"科特迪瓦",
+"突尼西亞"=>"突尼斯",
+"索馬里"=>"索马里",
+"索馬利亞"=>"索马里",
+"老撾"=>"老挝",
+"寮國"=>"老挝",
+"肯雅"=>"肯尼亚",
+"肯亞"=>"肯尼亚",
+"蘇利南"=>"苏里南",
+"莫三比克"=>"莫桑比克",
+"莫桑比克"=>"莫桑比克",
+"萊索托"=>"莱索托",
+"賴索托"=>"莱索托",
+"貝寧"=>"贝宁",
+"貝南"=>"贝宁",
+"贊比亞"=>"赞比亚",
+"尚比亞"=>"赞比亚",
+"亞塞拜然"=>"阿塞拜疆",
+"阿塞拜疆"=>"阿塞拜疆",
+"阿拉伯聯合酋長國"=>"阿拉伯联合酋长国",
+"阿拉伯聯合大公國"=>"阿拉伯联合酋长国",
+"南韓"=>"韩国",
+"馬爾代夫"=>"马尔代夫",
+"馬爾地夫"=>"马尔代夫",
+"馬爾他"=>"马耳他",
+"馬里"=>"马里",
+"馬利"=>"马里",
+"即食麵"=>"方便面",
+"快速面"=>"方便面",
+"速食麵"=>"方便面",
+"泡麵"=>"方便面",
+"笨豬跳"=>"蹦极跳",
+"绑紧跳"=>"蹦极跳",
+"冷盤　　"=>"凉菜",
+"冷菜"=>"凉菜",
+"散钱"=>"零钱",
+"谐星"=>"笑星　　　　",
+"夜学"=>"夜校",
+"华乐"=>"民乐",
+"中樂"=>"民乐",
+"住屋"=>"住房",
+"屋价"=>"房价",
+"的士"=>"出租车",
+"計程車"=>"出租车",
+"巴士"=>"公共汽车",
+"公車"=>"公共汽车",
+"單車"=>"自行车",
+"節慶"=>"节日",
+"芝士"=>"乾酪",
+"狗隻"=>"犬只",
+"士多啤梨"=>"草莓",
+"忌廉"=>"奶油",
+"桌球"=>"台球",
+"撞球"=>"台球",
+"雪糕"=>"冰淇淋",
+"衞生"=>"卫生",
+"衛生"=>"卫生",
+"賓士"=>"奔驰",
+"平治"=>"奔驰",
+"捷豹"=>"美洲虎",
+"積架"=>"美洲虎",
+"福斯"=>"大众",
+"福士"=>"大众",
+"雪鐵龍"=>"雪铁龙",
+"萬事得"=>"马自达",
+"馬自達"=>"马自达",
+"寶獅"=>"标志",
+"布殊"=>"布什",
+"布希"=>"布什",
+"柯林頓"=>"克林顿",
+"克林頓"=>"克林顿",
+"薩達姆"=>"萨达姆",
+"海珊"=>"萨达姆",
+"梵谷"=>"凡高",
+"大衛碧咸"=>"大卫·贝克汉姆",
+"米高奧雲"=>"迈克尔·欧文",
+"卡佩雅蒂"=>"珍妮弗·卡普里亚蒂",
+"沙芬"=>"马拉特·萨芬",
+"舒麥加"=>"迈克尔·舒马赫",
+"希特拉"=>"希特勒",
+"戴安娜"=>"狄安娜",
+"黛安娜"=>"狄安娜",
+"希拉"=>"赫拉",
+);
+
+$zh2HK=array(
+"打印机" => "打印機",
+"印表機" => "打印機",
+"字节" => "字節",
+"位元組" => "字節",
+"打印" => "打印",
+"列印" => "打印",
+"硬件" => "硬件",
+"硬體" => "硬件",
+"二极管" => "二極管",
+"二極體" => "二極管",
+"三极管" => "三極管",
+"三極體" => "三極管",
+"数码" => "數碼",
+"數位" => "數碼",
+"软件" => "軟件",
+"軟體" => "軟件",
+"网络" => "網絡",
+"網路" => "網絡",
+"人工智能" => "人工智能",
+"人工智慧" => "人工智能",
+"航天飞机" => "穿梭機",
+"太空梭" => "穿梭機",
+"因特网" => "互聯網",
+"網際網路" => "互聯網",
+"机器人" => "機械人",
+"機器人" => "機械人",
+"移动电话" => "流動電話",
+"行動電話" => "流動電話",
+"调制解调器" => "調制解調器",
+"數據機" => "調制解調器",
+"短信" => "短訊",
+"簡訊" => "短訊",
+"乍得" => "乍得",
+"查德" => "乍得",
+"也门" => "也門",
+"葉門" => "也門",
+"伯利兹" => "伯利茲",
+"貝里斯" => "伯利茲",
+"佛得角" => "佛得角",
+"維德角" => "佛得角",
+"克罗地亚" => "克羅地亞",
+"克羅埃西亞" => "克羅地亞",
+"冈比亚" => "岡比亞",
+"甘比亞" => "岡比亞",
+"几内亚比绍" => "幾內亞比紹",
+"幾內亞比索" => "幾內亞比紹",
+"列支敦士登" => "列支敦士登",
+"列支敦斯登" => "列支敦士登",
+"利比里亚" => "利比里亞",
+"賴比瑞亞" => "利比里亞",
+"加纳" => "加納",
+"迦納" => "加納",
+"加蓬" => "加蓬",
+"加彭" => "加蓬",
+"博茨瓦纳" => "博茨瓦納",
+"波札那" => "博茨瓦納",
+"卡塔尔" => "卡塔爾",
+"卡達" => "卡塔爾",
+"卢旺达" => "盧旺達",
+"盧安達" => "盧旺達",
+"危地马拉" => "危地馬拉",
+"瓜地馬拉" => "危地馬拉",
+"厄瓜多尔" => "厄瓜多爾",
+"厄瓜多" => "厄瓜多爾",
+"厄立特里亚" => "厄立特里亞",
+"厄利垂亞" => "厄立特里亞",
+"吉布提" => "吉布堤",
+"吉布地" => "吉布堤",
+"哥斯达黎加" => "哥斯達黎加",
+"哥斯大黎加" => "哥斯達黎加",
+"图瓦卢" => "圖瓦盧",
+"吐瓦魯" => "圖瓦盧",
+"圣卢西亚" => "聖盧西亞",
+"聖露西亞" => "聖盧西亞",
+"圣基茨和尼维斯" => "聖吉斯納域斯",
+"聖克里斯多福及尼維斯" => "聖吉斯納域斯",
+"圣文森特和格林纳丁斯" => "聖文森特和格林納丁斯",
+"聖文森及格瑞那丁" => "聖文森特和格林納丁斯",
+"圣马力诺" => "聖馬力諾",
+"聖馬利諾" => "聖馬力諾",
+"圭亚那" => "圭亞那",
+"蓋亞那" => "圭亞那",
+"坦桑尼亚" => "坦桑尼亞",
+"坦尚尼亞" => "坦桑尼亞",
+"埃塞俄比亚" => "埃塞俄比亞",
+"衣索比亞" => "埃塞俄比亞",
+"基里巴斯" => "基里巴斯",
+"吉里巴斯" => "基里巴斯",
+"獅子山" => "塞拉利昂",
+"塞普勒斯" => "塞浦路斯",
+"塞舌尔" => "塞舌爾",
+"塞席爾" => "塞舌爾",
+"多米尼加" => "多明尼加共和國",
+"多明尼加" => "多明尼加共和國",
+"多米尼加联邦" => "多明尼加聯邦",
+"多米尼克" => "多明尼加聯邦",
+"安提瓜和巴布达" => "安提瓜和巴布達",
+"安地卡及巴布達" => "安提瓜和巴布達",
+"尼日利亚" => "尼日利亞",
+"奈及利亞" => "尼日利亞",
+"尼日尔" => "尼日爾",
+"尼日" => "尼日爾",
+"巴巴多斯" => "巴巴多斯",
+"巴貝多" => "巴巴多斯",
+"巴布亚新几内亚" => "巴布亞新畿內亞",
+"巴布亞紐幾內亞" => "巴布亞新畿內亞",
+"布基纳法索" => "布基納法索",
+"布吉納法索" => "布基納法索",
+"布隆迪" => "布隆迪",
+"蒲隆地" => "布隆迪",
+"義大利" => "意大利",
+"所罗门群岛" => "所羅門群島",
+"索羅門群島" => "所羅門群島",
+"斯威士兰" => "斯威士蘭",
+"史瓦濟蘭" => "斯威士蘭",
+"斯洛文尼亚" => "斯洛文尼亞",
+"斯洛維尼亞" => "斯洛文尼亞",
+"新西兰" => "新西蘭",
+"紐西蘭" => "新西蘭",
+"格林纳达" => "格林納達",
+"格瑞那達" => "格林納達",
+"格鲁吉亚" => "格魯吉亞",
+"喬治亞" => "格魯吉亞",
+"梵蒂冈" => "梵蒂岡",
+"教廷" => "梵蒂岡",
+"毛里塔尼亚" => "毛里塔尼亞",
+"茅利塔尼亞" => "毛里塔尼亞",
+"毛里求斯" => "毛里裘斯",
+"模里西斯" => "毛里裘斯",
+"沙特阿拉伯" => "沙地阿拉伯",
+"沙烏地阿拉伯" => "沙地阿拉伯",
+"波斯尼亚和黑塞哥维那" => "波斯尼亞黑塞哥維那",
+"波士尼亞赫塞哥維納" => "波斯尼亞黑塞哥維那",
+"津巴布韦" => "津巴布韋",
+"辛巴威" => "津巴布韋",
+"洪都拉斯" => "洪都拉斯",
+"宏都拉斯" => "洪都拉斯",
+"特立尼达和托巴哥" => "特立尼達和多巴哥",
+"千里達托貝哥" => "特立尼達和多巴哥",
+"瑙鲁" => "瑙魯",
+"諾魯" => "瑙魯",
+"瓦努阿图" => "瓦努阿圖",
+"萬那杜" => "瓦努阿圖",
+"科摩罗" => "科摩羅",
+"葛摩" => "科摩羅",
+"索马里" => "索馬里",
+"索馬利亞" => "索馬里",
+"老挝" => "老撾",
+"寮國" => "老撾",
+"肯尼亚" => "肯雅",
+"肯亞" => "肯雅",
+"莫桑比克" => "莫桑比克",
+"莫三比克" => "莫桑比克",
+"莱索托" => "萊索托",
+"賴索托" => "萊索托",
+"贝宁" => "貝寧",
+"貝南" => "貝寧",
+"赞比亚" => "贊比亞",
+"尚比亞" => "贊比亞",
+"阿塞拜疆" => "阿塞拜疆",
+"亞塞拜然" => "阿塞拜疆",
+"阿拉伯联合酋长国" => "阿拉伯聯合酋長國",
+"阿拉伯聯合大公國" => "阿拉伯聯合酋長國",
+"马尔代夫" => "馬爾代夫",
+"馬爾地夫" => "馬爾代夫",
+"马里" => "馬里",
+"馬利" => "馬里",
+"方便面" => "即食麵",
+"快速面" => "即食麵",
+"速食麵" => "即食麵",
+"泡麵" => "即食麵",
+"土豆" => "薯仔",
+"华乐" => "中樂",
+"民乐" => "中樂",
+"計程車	" => "的士",
+"出租车" => "的士",
+"公車" => "巴士",
+"公共汽车" => "巴士",
+"自行车" => "單車",
+"节日" => "節慶",
+"犬只" => "狗隻",
+"台球" => "桌球",
+"撞球" => "桌球",
+"冰淇淋" => "雪糕",
+"冰淇淋" => "雪糕",
+"卫生" => "衞生",
+"衛生" => "衞生",
+"老人" => "長者",
+"賓士" => "平治",
+"捷豹" => "積架",
+"福斯" => "福士",
+"雪铁龙" => "先進",
+"雪鐵龍" => "先進",
+"沃尓沃" => "富豪",
+"马自达" => "萬事得",
+"馬自達" => "萬事得",
+"寶獅" => "標致",
+"布什" => "布殊",
+"布希" => "布殊",
+"克林顿" => "克林頓",
+"柯林頓" => "克林頓",
+"萨达姆" => "薩達姆",
+"海珊" => "薩達姆",
+"大卫·贝克汉姆" => "大衛碧咸",
+"迈克尔·欧文" => "米高奧雲",
+"珍妮弗·卡普里亚蒂" => "卡佩雅蒂",
+"马拉特·萨芬" => "沙芬",
+"迈克尔·舒马赫" => "舒麥加",
+"希特勒" => "希特拉",
+"狄安娜" => "戴安娜",
+"黛安娜" => "戴安娜",
+);
+
+$zh2SG=array(
+"方便面" => "快速面",
+"速食麵" => "快速面",
+"即食麵" => "快速面",
+"蹦极跳" => "绑紧跳",
+"笨豬跳" => "绑紧跳",
+"凉菜" => "冷菜",
+"冷盤" => "冷菜",
+"零钱" => "散钱",
+"散紙" => "散钱",
+"笑星" => "谐星",
+"夜校" => "夜学",
+"民乐" => "华乐",
+"住房" => "住屋",
+"房价" => "屋价",
+"泡麵" => "快速面",
+);
+?>
\ No newline at end of file
diff --git a/includes/cbt/CBTCompiler.php b/includes/cbt/CBTCompiler.php
new file mode 100644
index 00000000..4ef8ee4a
--- /dev/null
+++ b/includes/cbt/CBTCompiler.php
@@ -0,0 +1,369 @@
+<?php
+
+/**
+ * This file contains functions to convert callback templates to other languages.
+ * The template should first be pre-processed with CBTProcessor to remove static
+ * sections.
+ */
+
+
+require_once( dirname( __FILE__ ) . '/CBTProcessor.php' );
+
+/** 
+ * Push a value onto the stack 
+ * Argument 1: value
+ */
+define( 'CBT_PUSH', 1 );
+
+/**
+ * Pop, concatenate argument, push
+ * Argument 1: value
+ */
+define( 'CBT_CAT', 2 );
+
+/**
+ * Concatenate where the argument is on the stack, instead of immediate
+ */
+define( 'CBT_CATS', 3 );
+
+/**
+ * Call a function, push the return value onto the stack and put it in the cache
+ * Argument 1: argument count
+ *
+ * The arguments to the function are on the stack
+ */
+define( 'CBT_CALL', 4 );
+
+/**
+ * Pop, htmlspecialchars, push
+ */
+define( 'CBT_HX', 5 );
+
+class CBTOp {
+	var $opcode;
+	var $arg1;
+	var $arg2;
+
+	function CBTOp( $opcode, $arg1, $arg2 ) {
+		$this->opcode = $opcode;
+		$this->arg1 = $arg1;
+		$this->arg2 = $arg2;
+	}
+
+	function name() {
+		$opcodeNames = array( 
+			CBT_PUSH => 'PUSH',
+			CBT_CAT => 'CAT',
+			CBT_CATS => 'CATS',
+			CBT_CALL => 'CALL',
+			CBT_HX => 'HX',
+		);
+		return $opcodeNames[$this->opcode];
+	}
+};
+
+class CBTCompiler {
+	var $mOps = array();
+	var $mCode;
+
+	function CBTCompiler( $text ) {
+		$this->mText = $text;
+	}
+
+	/**
+	 * Compile the text.
+	 * Returns true on success, error message on failure
+	 */
+	function compile() {
+		$fname = 'CBTProcessor::compile';
+		$this->mLastError = false;
+		$this->mOps = array();
+
+		$this->doText( 0, strlen( $this->mText ) );
+
+		if ( $this->mLastError !== false ) {
+			$pos = $this->mErrorPos;
+
+			// Find the line number at which the error occurred
+			$startLine = 0;
+			$endLine = 0;
+			$line = 0;
+			do {
+				if ( $endLine ) {
+					$startLine = $endLine + 1;
+				}
+				$endLine = strpos( $this->mText, "\n", $startLine );
+				++$line;
+			} while ( $endLine !== false && $endLine < $pos );
+
+			$text = "Template error at line $line: $this->mLastError\n<pre>\n";
+
+			$context = rtrim( str_replace( "\t", " ", substr( $this->mText, $startLine, $endLine - $startLine ) ) );
+			$text .= htmlspecialchars( $context ) . "\n" . str_repeat( ' ', $pos - $startLine ) . "^\n</pre>\n";
+		} else {
+			$text = true;
+		}
+		
+		return $text;
+	}
+
+	/** Shortcut for doOpenText( $start, $end, false */
+	function doText( $start, $end ) {
+		return $this->doOpenText( $start, $end, false );
+	}
+
+	function phpQuote( $text ) {
+		return "'" . strtr( $text, array( "\\" => "\\\\", "'" => "\\'" ) ) . "'";
+	}
+
+	function op( $opcode, $arg1 = null, $arg2 = null) {
+		return new CBTOp( $opcode, $arg1, $arg2 );
+	}
+
+	/**
+	 * Recursive workhorse for text mode.
+	 * 
+	 * Processes text mode starting from offset $p, until either $end is 
+	 * reached or a closing brace is found. If $needClosing is false, a 
+	 * closing brace will flag an error, if $needClosing is true, the lack
+	 * of a closing brace will flag an error. 
+	 *
+	 * The parameter $p is advanced to the position after the closing brace, 
+	 * or after the end. A CBTValue is returned.
+	 *
+	 * @private
+	 */
+	function doOpenText( &$p, $end, $needClosing = true ) {
+		$in =& $this->mText;
+		$start = $p;
+		$atStart = true;
+		
+		$foundClosing = false;
+		while ( $p < $end ) {
+			$matchLength = strcspn( $in, CBT_BRACE, $p, $end - $p );
+			$pToken = $p + $matchLength;
+
+			if ( $pToken >= $end ) {
+				// No more braces, output remainder
+				if ( $atStart ) {
+					$this->mOps[] = $this->op( CBT_PUSH, substr( $in, $p ) );
+					$atStart = false;
+				} else {
+					$this->mOps[] = $this->op( CBT_CAT, substr( $in, $p ) );
+				}
+				$p = $end;
+				break;
+			}
+
+			// Output the text before the brace
+			if ( $atStart ) {
+				$this->mOps[] = $this->op( CBT_PUSH, substr( $in, $p, $matchLength ) );
+				$atStart = false;
+			} else {
+				$this->mOps[] = $this->op( CBT_CAT, substr( $in, $p, $matchLength ) );
+			}
+
+			// Advance the pointer 
+			$p = $pToken + 1;
+			
+			// Check for closing brace
+			if ( $in[$pToken] == '}' ) {
+				$foundClosing = true;
+				break;
+			}
+
+			// Handle the "{fn}" special case
+			if ( $pToken > 0 && $in[$pToken-1] == '"' ) {
+				$this->doOpenFunction( $p, $end );
+				if ( $p < $end && $in[$p] == '"' ) {
+					$this->mOps[] = $this->op( CBT_HX );
+				}
+			} else {
+				$this->doOpenFunction( $p, $end );
+			}
+			if ( $atStart ) {
+				$atStart = false;
+			} else {
+				$this->mOps[] = $this->op( CBT_CATS );
+			} 
+		}
+		if ( $foundClosing && !$needClosing ) {
+			$this->error( 'Errant closing brace', $p );
+		} elseif ( !$foundClosing && $needClosing ) {
+			$this->error( 'Unclosed text section', $start );
+		} else {
+			if ( $atStart ) {
+				$this->mOps[] = $this->op( CBT_PUSH, '' );
+			}
+		}
+	}
+
+	/**
+	 * Recursive workhorse for function mode.
+	 *
+	 * Processes function mode starting from offset $p, until either $end is 
+	 * reached or a closing brace is found. If $needClosing is false, a 
+	 * closing brace will flag an error, if $needClosing is true, the lack
+	 * of a closing brace will flag an error. 
+	 *
+	 * The parameter $p is advanced to the position after the closing brace, 
+	 * or after the end. A CBTValue is returned.
+	 *
+	 * @private
+	 */
+	function doOpenFunction( &$p, $end, $needClosing = true ) {
+		$in =& $this->mText;
+		$start = $p;
+		$argCount = 0;
+
+		$foundClosing = false;
+		while ( $p < $end ) {
+			$char = $in[$p];
+			if ( $char == '{' ) {
+				// Switch to text mode
+				++$p;
+				$tokenStart = $p;
+				$this->doOpenText( $p, $end );
+				++$argCount;
+			} elseif ( $char == '}' ) {
+				// Block end
+				++$p;
+				$foundClosing = true;
+				break;
+			} elseif ( false !== strpos( CBT_WHITE, $char ) ) {
+				// Whitespace
+				// Consume the rest of the whitespace
+				$p += strspn( $in, CBT_WHITE, $p, $end - $p );
+			} else {
+				// Token, find the end of it
+				$tokenLength = strcspn( $in, CBT_DELIM, $p, $end - $p );
+				$this->mOps[] = $this->op( CBT_PUSH, substr( $in, $p, $tokenLength ) );
+
+				// Execute the token as a function if it's not the function name
+				if ( $argCount ) {
+					$this->mOps[] = $this->op( CBT_CALL, 1 );
+				}
+
+				$p += $tokenLength;
+				++$argCount;
+			}
+		}
+		if ( !$foundClosing && $needClosing ) {
+			$this->error( 'Unclosed function', $start );
+			return '';
+		}
+
+		$this->mOps[] = $this->op( CBT_CALL, $argCount );
+	}
+
+	/**
+	 * Set a flag indicating that an error has been found.
+	 */
+	function error( $text, $pos = false ) {
+		$this->mLastError = $text;
+		if ( $pos === false ) {
+			$this->mErrorPos = $this->mCurrentPos;
+		} else {
+			$this->mErrorPos = $pos;
+		}
+	}
+
+	function getLastError() {
+		return $this->mLastError;
+	}
+
+	function opsToString() {
+		$s = '';
+		foreach( $this->mOps as $op ) {
+			$s .= $op->name();
+			if ( !is_null( $op->arg1 ) ) {
+				$s .= ' ' . var_export( $op->arg1, true );
+			}
+			if ( !is_null( $op->arg2 ) ) {
+				$s .= ' ' . var_export( $op->arg2, true );
+			}
+			$s .= "\n";
+		}
+		return $s;
+	}
+
+	function generatePHP( $functionObj ) {
+		$fname = 'CBTCompiler::generatePHP';
+		wfProfileIn( $fname );
+		$stack = array();
+
+		foreach( $this->mOps as $index => $op ) {
+			switch( $op->opcode ) {
+				case CBT_PUSH:
+					$stack[] = $this->phpQuote( $op->arg1 );
+					break;
+				case CBT_CAT:
+					$val = array_pop( $stack );
+					array_push( $stack, "$val . " . $this->phpQuote( $op->arg1 ) );
+					break;
+				case CBT_CATS:
+					$right = array_pop( $stack );
+					$left = array_pop( $stack );
+					array_push( $stack, "$left . $right" );
+					break;
+				case CBT_CALL:
+					$args = array_slice( $stack, count( $stack ) - $op->arg1, $op->arg1 );
+					$stack = array_slice( $stack, 0, count( $stack ) - $op->arg1 );
+
+					// Some special optimised expansions
+					if ( $op->arg1 == 0 ) {
+						$result = '';
+					} else {
+						$func = array_shift( $args );
+						if ( substr( $func, 0, 1 ) == "'" &&  substr( $func, -1 ) == "'" ) {
+							$func = substr( $func, 1, strlen( $func ) - 2 );
+							if ( $func == "if" ) {
+								if ( $op->arg1 < 3 ) {
+									// This should have been caught during processing
+									return "Not enough arguments to if";
+								} elseif ( $op->arg1 == 3 ) {
+									$result = "(({$args[0]} != '') ? ({$args[1]}) : '')";
+								} else {
+									$result = "(({$args[0]} != '') ? ({$args[1]}) : ({$args[2]}))";
+								}
+							} elseif ( $func == "true" ) {
+								$result = "true";
+							} elseif( $func == "lbrace" || $func == "{" ) {
+								$result = "{";
+							} elseif( $func == "rbrace" || $func == "}" ) {
+								$result = "}";
+							} elseif ( $func == "escape" || $func == "~" ) {
+								$result = "htmlspecialchars({$args[0]})";
+							} else {
+								// Known function name
+								$result = "{$functionObj}->{$func}(" . implode( ', ', $args ) . ')';
+							}
+						} else {
+							// Unknown function name
+							$result = "call_user_func(array($functionObj, $func), " . implode( ', ', $args ) . ' )';
+						}
+					}
+					array_push( $stack, $result );
+					break;
+				case CBT_HX:
+					$val = array_pop( $stack );
+					array_push( $stack, "htmlspecialchars( $val )" );
+					break;
+				default:
+					return "Unknown opcode {$op->opcode}\n";
+			}
+		}
+		wfProfileOut( $fname );
+		if ( count( $stack ) !== 1 ) {
+			return "Error, stack count incorrect\n";
+		}
+		return '
+			global $cbtExecutingGenerated;
+			++$cbtExecutingGenerated;
+			$output = ' . $stack[0] . ';
+			--$cbtExecutingGenerated;
+			return $output;
+			';
+	}
+}
+?>
diff --git a/includes/cbt/CBTProcessor.php b/includes/cbt/CBTProcessor.php
new file mode 100644
index 00000000..0c34204e
--- /dev/null
+++ b/includes/cbt/CBTProcessor.php
@@ -0,0 +1,540 @@
+<?php
+
+/**
+ * PHP version of the callback template processor
+ * This is currently used as a test rig and is likely to be used for 
+ * compatibility purposes later, where the C++ extension is not available.
+ */
+
+define( 'CBT_WHITE', " \t\r\n" );
+define( 'CBT_BRACE', '{}' );
+define( 'CBT_DELIM', CBT_WHITE . CBT_BRACE );
+define( 'CBT_DEBUG', 0 );
+
+$GLOBALS['cbtExecutingGenerated'] = 0;
+
+/**
+ * Attempting to be a MediaWiki-independent module
+ */
+if ( !function_exists( 'wfProfileIn' ) ) {
+	function wfProfileIn() {}
+}
+if ( !function_exists( 'wfProfileOut' ) ) {
+	function wfProfileOut() {}
+}
+
+/**
+ * Escape text for inclusion in template
+ */
+function cbt_escape( $text ) {
+	return strtr( $text, array( '{' => '{[}', '}' => '{]}' ) );
+}
+
+/**
+ * Create a CBTValue
+ */
+function cbt_value( $text = '', $deps = array(), $isTemplate = false ) {
+	global $cbtExecutingGenerated;
+	if ( $cbtExecutingGenerated ) {
+		return $text;
+	} else {
+		return new CBTValue( $text, $deps, $isTemplate );
+	}
+}
+
+/**
+ * A dependency-tracking value class
+ * Callback functions should return one of these, unless they have 
+ * no dependencies in which case they can return a string.
+ */ 
+class CBTValue {
+	var $mText, $mDeps, $mIsTemplate;
+
+	/**
+	 * Create a new value
+	 * @param $text String: , default ''.
+	 * @param $deps Array: what this value depends on
+	 * @param $isTemplate Bool: whether the result needs compilation/execution, default 'false'.
+	 */
+	function CBTValue( $text = '', $deps = array(), $isTemplate = false ) {
+		$this->mText = $text;
+		if ( !is_array( $deps ) ) {
+			$this->mDeps = array( $deps ) ;
+		} else {
+			$this->mDeps = $deps;
+		}
+		$this->mIsTemplate = $isTemplate;
+	}
+
+	/** Concatenate two values, merging their dependencies */
+	function cat( $val ) {
+		if ( is_object( $val ) ) {
+			$this->addDeps( $val );
+			$this->mText .= $val->mText;
+		} else {
+			$this->mText .= $val;
+		}
+	}
+
+	/** Add the dependencies of another value to this one */
+	function addDeps( $values ) {
+		if ( !is_array( $values ) ) {
+			$this->mDeps = array_merge( $this->mDeps, $values->mDeps );
+		} else {
+			foreach ( $values as $val ) {
+				if ( !is_object( $val ) ) {
+					var_dump( debug_backtrace() );
+					exit;
+				}
+				$this->mDeps = array_merge( $this->mDeps, $val->mDeps );
+			}
+		}
+	}
+
+	/** Remove a list of dependencies */
+	function removeDeps( $deps ) {
+		$this->mDeps = array_diff( $this->mDeps, $deps );
+	}
+
+	function setText( $text ) {
+		$this->mText = $text;
+	}
+
+	function getText() {
+		return $this->mText;
+	}
+
+	function getDeps() {
+		return $this->mDeps;
+	}
+
+	/** If the value is a template, execute it */
+	function execute( &$processor ) {
+		if ( $this->mIsTemplate ) {
+			$myProcessor = new CBTProcessor( $this->mText,  $processor->mFunctionObj, $processor->mIgnorableDeps );
+			$myProcessor->mCompiling = $processor->mCompiling;
+			$val = $myProcessor->doText( 0, strlen( $this->mText ) );
+			if ( $myProcessor->getLastError() ) {
+				$processor->error( $myProcessor->getLastError() );
+				$this->mText = '';
+			} else {
+				$this->mText = $val->mText;
+				$this->addDeps( $val );
+			}
+			if ( !$processor->mCompiling ) {
+				$this->mIsTemplate = false;
+			}
+		}
+	}
+
+	/** If the value is plain text, escape it for inclusion in a template */
+	function templateEscape() {
+		if ( !$this->mIsTemplate ) {
+			$this->mText = cbt_escape( $this->mText );
+		}
+	}
+
+	/** Return true if the value has no dependencies */
+	function isStatic() {
+		return count( $this->mDeps ) == 0;
+	}
+}
+
+/**
+ * Template processor, for compilation and execution
+ */
+class CBTProcessor {
+	var $mText,                     # The text being processed
+		$mFunctionObj,              # The object containing callback functions
+		$mCompiling = false,        # True if compiling to a template, false if executing to text
+		$mIgnorableDeps = array(),  # Dependency names which should be treated as static
+		$mFunctionCache = array(),  # A cache of function results keyed by argument hash
+		$mLastError = false,        # Last error message or false for no error
+		$mErrorPos = 0,             # Last error position
+
+		/** Built-in functions */
+		$mBuiltins = array(
+		'if'       => 'bi_if',
+		'true'     => 'bi_true',
+		'['        => 'bi_lbrace',
+		'lbrace'   => 'bi_lbrace',
+		']'        => 'bi_rbrace',
+		'rbrace'   => 'bi_rbrace',
+		'escape'   => 'bi_escape',
+		'~'        => 'bi_escape',
+	);
+
+	/**
+	 * Create a template processor for a given text, callback object and static dependency list
+	 */
+	function CBTProcessor( $text, $functionObj, $ignorableDeps = array() ) {
+		$this->mText = $text;
+		$this->mFunctionObj = $functionObj;
+		$this->mIgnorableDeps = $ignorableDeps;
+	}
+
+	/**
+	 * Execute the template.
+	 * If $compile is true, produces an optimised template where functions with static 
+	 * dependencies have been replaced by their return values.
+	 */
+	function execute( $compile = false ) {
+		$fname = 'CBTProcessor::execute';
+		wfProfileIn( $fname );
+		$this->mCompiling = $compile;
+		$this->mLastError = false;
+		$val = $this->doText( 0, strlen( $this->mText ) );
+		$text = $val->getText();
+		if ( $this->mLastError !== false ) {
+			$pos = $this->mErrorPos;
+
+			// Find the line number at which the error occurred
+			$startLine = 0;
+			$endLine = 0;
+			$line = 0;
+			do {
+				if ( $endLine ) {
+					$startLine = $endLine + 1;
+				}
+				$endLine = strpos( $this->mText, "\n", $startLine );
+				++$line;
+			} while ( $endLine !== false && $endLine < $pos );
+
+			$text = "Template error at line $line: $this->mLastError\n<pre>\n";
+
+			$context = rtrim( str_replace( "\t", " ", substr( $this->mText, $startLine, $endLine - $startLine ) ) );
+			$text .= htmlspecialchars( $context ) . "\n" . str_repeat( ' ', $pos - $startLine ) . "^\n</pre>\n";
+		} 
+		wfProfileOut( $fname );
+		return $text;
+	}
+
+	/** Shortcut for execute(true) */
+	function compile() {
+		$fname = 'CBTProcessor::compile';
+		wfProfileIn( $fname );
+		$s = $this->execute( true );
+		wfProfileOut( $fname );
+		return $s;
+	}
+
+	/** Shortcut for doOpenText( $start, $end, false */
+	function doText( $start, $end ) {
+		return $this->doOpenText( $start, $end, false );
+	}
+
+	/** 
+	 * Escape text for a template if we are producing a template. Do nothing
+	 * if we are producing plain text.
+	 */
+	 function templateEscape( $text ) {
+		if ( $this->mCompiling ) {
+			return cbt_escape( $text );
+		} else {
+			return $text;
+		}
+	}
+
+	/**
+	 * Recursive workhorse for text mode.
+	 * 
+	 * Processes text mode starting from offset $p, until either $end is 
+	 * reached or a closing brace is found. If $needClosing is false, a 
+	 * closing brace will flag an error, if $needClosing is true, the lack
+	 * of a closing brace will flag an error. 
+	 *
+	 * The parameter $p is advanced to the position after the closing brace, 
+	 * or after the end. A CBTValue is returned.
+	 *
+	 * @private
+	 */
+	function doOpenText( &$p, $end, $needClosing = true ) {
+		$fname = 'CBTProcessor::doOpenText';
+		wfProfileIn( $fname );
+		$in =& $this->mText;
+		$start = $p;
+		$ret = new CBTValue( '', array(), $this->mCompiling );
+		
+		$foundClosing = false;
+		while ( $p < $end ) {
+			$matchLength = strcspn( $in, CBT_BRACE, $p, $end - $p );
+			$pToken = $p + $matchLength;
+
+			if ( $pToken >= $end ) {
+				// No more braces, output remainder
+				$ret->cat( substr( $in, $p ) );
+				$p = $end;
+				break;
+			}
+
+			// Output the text before the brace
+			$ret->cat( substr( $in, $p, $matchLength ) );
+
+			// Advance the pointer 
+			$p = $pToken + 1;
+			
+			// Check for closing brace
+			if ( $in[$pToken] == '}' ) {
+				$foundClosing = true;
+				break;
+			}
+			
+			// Handle the "{fn}" special case
+			if ( $pToken > 0 && $in[$pToken-1] == '"' ) {
+				wfProfileOut( $fname );
+				$val = $this->doOpenFunction( $p, $end );
+				wfProfileIn( $fname );
+				if ( $p < $end && $in[$p] == '"' ) {
+					$val->setText( htmlspecialchars( $val->getText() ) );
+				}
+				$ret->cat( $val );
+			} else {
+				// Process the function mode component
+				wfProfileOut( $fname );				
+				$ret->cat( $this->doOpenFunction( $p, $end ) );
+				wfProfileIn( $fname );
+			}
+		}
+		if ( $foundClosing && !$needClosing ) {
+			$this->error( 'Errant closing brace', $p );
+		} elseif ( !$foundClosing && $needClosing ) {
+			$this->error( 'Unclosed text section', $start );
+		}
+		wfProfileOut( $fname );				
+		return $ret;
+	}
+
+	/**
+	 * Recursive workhorse for function mode.
+	 *
+	 * Processes function mode starting from offset $p, until either $end is 
+	 * reached or a closing brace is found. If $needClosing is false, a 
+	 * closing brace will flag an error, if $needClosing is true, the lack
+	 * of a closing brace will flag an error. 
+	 *
+	 * The parameter $p is advanced to the position after the closing brace, 
+	 * or after the end. A CBTValue is returned.
+	 *
+	 * @private
+	 */
+	function doOpenFunction( &$p, $end, $needClosing = true ) {
+		$in =& $this->mText;
+		$start = $p;
+		$tokens = array();
+		$unexecutedTokens = array();
+
+		$foundClosing = false;
+		while ( $p < $end ) {
+			$char = $in[$p];
+			if ( $char == '{' ) {
+				// Switch to text mode
+				++$p;
+				$tokenStart = $p;
+				$token = $this->doOpenText( $p, $end );
+				$tokens[] = $token;
+				$unexecutedTokens[] = '{' . substr( $in, $tokenStart, $p - $tokenStart - 1 ) . '}';
+			} elseif ( $char == '}' ) {
+				// Block end
+				++$p;
+				$foundClosing = true;
+				break;
+			} elseif ( false !== strpos( CBT_WHITE, $char ) ) {
+				// Whitespace
+				// Consume the rest of the whitespace
+				$p += strspn( $in, CBT_WHITE, $p, $end - $p );
+			} else {
+				// Token, find the end of it
+				$tokenLength = strcspn( $in, CBT_DELIM, $p, $end - $p );
+				$token = new CBTValue( substr( $in, $p, $tokenLength ) );
+				// Execute the token as a function if it's not the function name
+				if ( count( $tokens ) ) {
+					$tokens[] = $this->doFunction( array( $token ), $p );
+				} else {
+					$tokens[] = $token;
+				}
+				$unexecutedTokens[] = $token->getText();
+
+				$p += $tokenLength;
+			}
+		}
+		if ( !$foundClosing && $needClosing ) {
+			$this->error( 'Unclosed function', $start );
+			return '';
+		}
+
+		$val = $this->doFunction( $tokens, $start );
+		if ( $this->mCompiling && !$val->isStatic() ) {
+			$compiled = '';
+			$first = true;
+			foreach( $tokens as $i => $token ) {
+				if ( $first ) {
+					$first = false;
+				} else {
+					$compiled .= ' ';
+				}
+				if ( $token->isStatic() ) {
+					if ( $i !== 0 ) {
+						$compiled .= '{' . $token->getText() . '}';
+					} else {
+						$compiled .= $token->getText();
+					}
+				} else {
+					$compiled .= $unexecutedTokens[$i];
+				}
+			}
+
+			// The dynamic parts of the string are still represented as functions, and 
+			// function invocations have no dependencies. Thus the compiled result has 
+			// no dependencies.
+			$val = new CBTValue( "{{$compiled}}", array(), true );
+		}
+		return $val;
+	}
+
+	/**
+	 * Execute a function, caching and returning the result value.
+	 * $tokens is an array of CBTValue objects. $tokens[0] is the function 
+	 * name, the others are arguments. $p is the string position, and is used
+	 * for error messages only.
+	 */
+	function doFunction( $tokens, $p ) {
+		if ( count( $tokens ) == 0 ) {
+			return new CBTValue;
+		}
+		$fname = 'CBTProcessor::doFunction';
+		wfProfileIn( $fname );
+		
+		$ret = new CBTValue;
+		
+		// All functions implicitly depend on their arguments, and the function name
+		// While this is not strictly necessary for all functions, it's true almost 
+		// all the time and so convenient to do automatically. 
+		$ret->addDeps( $tokens );
+
+		$this->mCurrentPos = $p;
+		$func = array_shift( $tokens );
+		$func = $func->getText();
+
+		// Extract the text component from all the tokens
+		// And convert any templates to plain text
+		$textArgs = array();
+		foreach ( $tokens as $token ) {
+			$token->execute( $this );
+			$textArgs[] = $token->getText();
+		}
+
+		// Try the local cache
+		$cacheKey = $func . "\n" . implode( "\n", $textArgs );
+		if ( isset( $this->mFunctionCache[$cacheKey] ) ) {
+			$val = $this->mFunctionCache[$cacheKey];
+		} elseif ( isset( $this->mBuiltins[$func] ) ) {
+			$func = $this->mBuiltins[$func];
+			$val = call_user_func_array( array( &$this, $func ), $tokens );
+			$this->mFunctionCache[$cacheKey] = $val;
+		} elseif ( method_exists( $this->mFunctionObj, $func ) ) {
+			$profName = get_class( $this->mFunctionObj ) . '::' . $func;
+			wfProfileIn( "$fname-callback" );
+			wfProfileIn( $profName );
+			$val = call_user_func_array( array( &$this->mFunctionObj, $func ), $textArgs );
+			wfProfileOut( $profName );
+			wfProfileOut( "$fname-callback" );
+			$this->mFunctionCache[$cacheKey] = $val;
+		} else {
+			$this->error( "Call of undefined function \"$func\"", $p );
+			$val = new CBTValue;
+		}
+		if ( !is_object( $val ) ) {
+			$val = new CBTValue((string)$val);
+		}
+
+		if ( CBT_DEBUG ) {
+			$unexpanded = $val;
+		}
+
+		// If the output was a template, execute it
+		$val->execute( $this );
+		
+		if ( $this->mCompiling ) {
+			// Escape any braces so that the output will be a valid template
+			$val->templateEscape();
+		} 
+		$val->removeDeps( $this->mIgnorableDeps );
+		$ret->addDeps( $val );
+		$ret->setText( $val->getText() );
+
+		if ( CBT_DEBUG ) {
+			wfDebug( "doFunction $func args = " 
+				. var_export( $tokens, true ) 
+				. "unexpanded return = " 
+				. var_export( $unexpanded, true )
+				. "expanded return = " 
+				. var_export( $ret, true ) 
+			);
+		}
+		
+		wfProfileOut( $fname );
+		return $ret;
+	}
+
+	/**
+	 * Set a flag indicating that an error has been found.
+	 */
+	function error( $text, $pos = false ) {
+		$this->mLastError = $text;
+		if ( $pos === false ) {
+			$this->mErrorPos = $this->mCurrentPos;
+		} else {
+			$this->mErrorPos = $pos;
+		}
+	}
+
+	function getLastError() {
+		return $this->mLastError;
+	}
+
+	/** 'if' built-in function */
+	function bi_if( $condition, $trueBlock, $falseBlock = null ) {
+		if ( is_null( $condition ) ) {
+			$this->error( "Missing condition in if" );
+			return '';
+		}
+
+		if ( $condition->getText() != '' ) {
+			return new CBTValue( $trueBlock->getText(), 
+				array_merge( $condition->getDeps(), $trueBlock->getDeps() ),
+				$trueBlock->mIsTemplate );
+		} else {
+			if ( !is_null( $falseBlock ) ) {
+				return new CBTValue( $falseBlock->getText(), 
+					array_merge( $condition->getDeps(), $falseBlock->getDeps() ),
+		   			$falseBlock->mIsTemplate );
+			} else {
+				return new CBTValue( '', $condition->getDeps() );
+			}
+		}
+	}
+
+	/** 'true' built-in function */
+	function bi_true() {
+		return "true";
+	}
+
+	/** left brace built-in */
+	function bi_lbrace() {
+		return '{';
+	}
+
+	/** right brace built-in */
+	function bi_rbrace() {
+		return '}';
+	}
+
+	/** 
+	 * escape built-in.
+	 * Escape text for inclusion in an HTML attribute 
+	 */
+	function bi_escape( $val ) {
+		return new CBTValue( htmlspecialchars( $val->getText() ), $val->getDeps() );
+	}
+}
+?>
diff --git a/includes/cbt/README b/includes/cbt/README
new file mode 100644
index 00000000..cffcef2f
--- /dev/null
+++ b/includes/cbt/README
@@ -0,0 +1,108 @@
+Overview
+--------
+
+CBT (callback-based templates) is an experimental system for improving skin 
+rendering time in MediaWiki and similar applications. The fundamental concept is
+a template language which contains tags which pull text from PHP callbacks.
+These PHP callbacks do not simply return text, they also return a description of
+the dependencies -- the global data upon which the returned text depends. This
+allows a compiler to produce a template optimised for a certain context. For
+example, a user-dependent template can be produced, with the username replaced
+by static text, as well as all user preference dependent text.
+
+This was an experimental project to prove the concept -- to explore possible
+efficiency gains and techniques. TemplateProcessor was the first element of this
+experiment. It is a class written in PHP which parses a template, and produces
+either an optimised template with dependencies removed, or the output text
+itself. I found that even with a heavily optimised template, this processor was
+not fast enough to match the speed of the original MonoBook. 
+
+To improve the efficiency, I wrote TemplateCompiler, which takes a template,
+preferably pre-optimised by TemplateProcessor, and generates PHP code from it.
+The generated code is a single expression, concatenating static text and
+callback results. This approach turned out to be very efficient, making 
+significant time savings compared to the original MonoBook. 
+
+Despite this success, the code has been shelved for the time being. There were 
+a number of unresolved implementation problems, and I felt that there were more
+pressing priorities for MediaWiki development than solving them and bringing
+this module to completion. I also believe that more research is needed into 
+other possible template architectures. There is nothing fundamentally wrong with
+the CBT concept, and I would encourage others to continue its development.
+
+The problems I saw were:
+
+* Extensibility. Can non-Wikimedia installations easily extend and modify CBT 
+  skins? Patching seems to be necessary, is this acceptable? MediaWiki
+  extensions are another problem. Unless the interfaces allow them to return
+  dependencies, any hooks will have to be marked dynamic and thus inefficient.
+
+* Cache invalidation. This is a simple implementation issue, although it would
+  require extensive modification to the MediaWiki core.
+
+* Syntax. The syntax is minimalistic and easy to parse, but can be quite ugly.
+  Will generations of MediaWiki users curse my name?
+
+* Security. The code produced by TemplateCompiler is best stored in memcached
+  and executed with eval(). This allows anyone with access to the memcached port
+  to run code as the apache user.
+
+
+Template syntax
+---------------
+
+There are two modes: text mode and function mode. The brace characters "{" 
+and "}" are the only reserved characters. Either one of them will switch from
+text mode to function mode wherever they appear, no exceptions. 
+
+In text mode, all characters are passed through to the output. In function
+mode, text is split into tokens, delimited either by whitespace or by 
+matching pairs of braces. The first token is taken to be a function name. The
+other tokens are first processed in function mode themselves, then they are 
+passed to the named function as parameters. The return value of the function
+is passed through to the output.
+
+Example:
+   {escape {"hello"}}
+
+First brace switches to function mode. The function name is escape, the first
+and only parameter is {"hello"}. This parameter is executed. The braces around
+the parameter cause the parser to switch to text mode, thus the string "hello",
+including the quotes, is passed back and used as an argument to the escape 
+function. 
+
+Example:
+   {if title {<h1>{title}</h1>}}
+
+The function name is "if". The first parameter is the result of calling the 
+function "title". The second parameter is a level 1 HTML heading containing
+the result of the function "title". "if" is a built-in function which will 
+return the second parameter only if the first is non-blank, so the effect of
+this is to return a heading element only if a title exists.
+
+As a shortcut for generation of HTML attributes, if a function mode segment is
+surrounded by double quotes, quote characters in the return value will be 
+escaped. This only applies if the quote character immediately precedes the 
+opening brace, and immediately follows the closing brace, with no whitespace.
+
+User callback functions are defined by passing a function object to the 
+template processor. Function names appearing in the text are first checked
+against built-in function names, then against the method names in the function
+object. The function object forms a sandbox for execution of the template, so 
+security-conscious users may wish to avoid including functions that allow
+arbitrary filesystem access or code execution.
+
+The callback function will receive its parameters as strings. If the 
+result of the function depends only on the arguments, and certain things 
+understood to be "static", such as the source code, then the callback function
+should return a string. If the result depends on other things, then the function
+should call cbt_value() to get a return value:
+
+   return cbt_value( $text, $deps );
+
+where $deps is an array of string tokens, each one naming a dependency. As a 
+shortcut, if there is only one dependency, $deps may be a string.
+
+
+---------------------
+Tim Starling 2006
diff --git a/includes/memcached-client.php b/includes/memcached-client.php
new file mode 100644
index 00000000..697509e8
--- /dev/null
+++ b/includes/memcached-client.php
@@ -0,0 +1,1060 @@
+<?php
+//
+// +---------------------------------------------------------------------------+
+// | memcached client, PHP                                                     |
+// +---------------------------------------------------------------------------+
+// | Copyright (c) 2003 Ryan T. Dean <rtdean@cytherianage.net>                 |
+// | All rights reserved.                                                      |
+// |                                                                           |
+// | Redistribution and use in source and binary forms, with or without        |
+// | modification, are permitted provided that the following conditions        |
+// | are met:                                                                  |
+// |                                                                           |
+// | 1. Redistributions of source code must retain the above copyright         |
+// |    notice, this list of conditions and the following disclaimer.          |
+// | 2. Redistributions in binary form must reproduce the above copyright      |
+// |    notice, this list of conditions and the following disclaimer in the    |
+// |    documentation and/or other materials provided with the distribution.   |
+// |                                                                           |
+// | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      |
+// | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
+// | OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   |
+// | IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  |
+// | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     |
+// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       |
+// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  |
+// | THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         |
+// +---------------------------------------------------------------------------+
+// | Author: Ryan T. Dean <rtdean@cytherianage.net>                            |
+// | Heavily influenced by the Perl memcached client by Brad Fitzpatrick.      |
+// |   Permission granted by Brad Fitzpatrick for relicense of ported Perl     |
+// |   client logic under 2-clause BSD license.                                |
+// +---------------------------------------------------------------------------+
+//
+// $TCAnet$
+//
+
+/**
+ * This is the PHP client for memcached - a distributed memory cache daemon.
+ * More information is available at http://www.danga.com/memcached/
+ *
+ * Usage example:
+ *
+ * require_once 'memcached.php';
+ *
+ * $mc = new memcached(array(
+ *              'servers' => array('127.0.0.1:10000',
+ *                                 array('192.0.0.1:10010', 2),
+ *                                 '127.0.0.1:10020'),
+ *              'debug'   => false,
+ *              'compress_threshold' => 10240,
+ *              'persistant' => true));
+ *
+ * $mc->add('key', array('some', 'array'));
+ * $mc->replace('key', 'some random string');
+ * $val = $mc->get('key');
+ *
+ * @author  Ryan T. Dean <rtdean@cytherianage.net>
+ * @package memcached-client
+ * @version 0.1.2
+ */
+
+// {{{ requirements
+// }}}
+
+// {{{ constants
+// {{{ flags
+
+/**
+ * Flag: indicates data is serialized
+ */
+define("MEMCACHE_SERIALIZED", 1<<0);
+
+/**
+ * Flag: indicates data is compressed
+ */
+define("MEMCACHE_COMPRESSED", 1<<1);
+
+// }}}
+
+/**
+ * Minimum savings to store data compressed
+ */
+define("COMPRESSION_SAVINGS", 0.20);
+
+// }}}
+
+// {{{ class memcached
+/**
+ * memcached client class implemented using (p)fsockopen()
+ *
+ * @author  Ryan T. Dean <rtdean@cytherianage.net>
+ * @package memcached-client
+ */
+class memcached
+{
+   // {{{ properties
+   // {{{ public
+
+   /**
+    * Command statistics
+    *
+    * @var     array
+    * @access  public
+    */
+   var $stats;
+
+   // }}}
+   // {{{ private
+
+   /**
+    * Cached Sockets that are connected
+    *
+    * @var     array
+    * @access  private
+    */
+   var $_cache_sock;
+
+   /**
+    * Current debug status; 0 - none to 9 - profiling
+    *
+    * @var     boolean
+    * @access  private
+    */
+   var $_debug;
+
+   /**
+    * Dead hosts, assoc array, 'host'=>'unixtime when ok to check again'
+    *
+    * @var     array
+    * @access  private
+    */
+   var $_host_dead;
+
+   /**
+    * Is compression available?
+    *
+    * @var     boolean
+    * @access  private
+    */
+   var $_have_zlib;
+
+   /**
+    * Do we want to use compression?
+    *
+    * @var     boolean
+    * @access  private
+    */
+   var $_compress_enable;
+
+   /**
+    * At how many bytes should we compress?
+    *
+    * @var     interger
+    * @access  private
+    */
+   var $_compress_threshold;
+
+   /**
+    * Are we using persistant links?
+    *
+    * @var     boolean
+    * @access  private
+    */
+   var $_persistant;
+
+   /**
+    * If only using one server; contains ip:port to connect to
+    *
+    * @var     string
+    * @access  private
+    */
+   var $_single_sock;
+
+   /**
+    * Array containing ip:port or array(ip:port, weight)
+    *
+    * @var     array
+    * @access  private
+    */
+   var $_servers;
+
+   /**
+    * Our bit buckets
+    *
+    * @var     array
+    * @access  private
+    */
+   var $_buckets;
+
+   /**
+    * Total # of bit buckets we have
+    *
+    * @var     interger
+    * @access  private
+    */
+   var $_bucketcount;
+
+   /**
+    * # of total servers we have
+    *
+    * @var     interger
+    * @access  private
+    */
+   var $_active;
+
+   /**
+    * Stream timeout in seconds. Applies for example to fread()
+    *
+    * @var     integer
+    * @access  private
+    */
+   var $_timeout_seconds;
+
+   /**
+    * Stream timeout in microseconds
+    *
+    * @var     integer
+    * @access  private
+    */
+   var $_timeout_microseconds;
+
+   // }}}
+   // }}}
+   // {{{ methods
+   // {{{ public functions
+   // {{{ memcached()
+
+   /**
+    * Memcache initializer
+    *
+    * @param   array    $args    Associative array of settings
+    *
+    * @return  mixed
+    * @access  public
+    */
+   function memcached ($args)
+   {
+      $this->set_servers(@$args['servers']);
+      $this->_debug = @$args['debug'];
+      $this->stats = array();
+      $this->_compress_threshold = @$args['compress_threshold'];
+      $this->_persistant = array_key_exists('persistant', $args) ? (@$args['persistant']) : false;
+      $this->_compress_enable = true;
+      $this->_have_zlib = function_exists("gzcompress");
+
+      $this->_cache_sock = array();
+      $this->_host_dead = array();
+
+      $this->_timeout_seconds = 1;
+      $this->_timeout_microseconds = 0;
+   }
+
+   // }}}
+   // {{{ add()
+
+   /**
+    * Adds a key/value to the memcache server if one isn't already set with
+    * that key
+    *
+    * @param   string   $key     Key to set with data
+    * @param   mixed    $val     Value to store
+    * @param   interger $exp     (optional) Time to expire data at
+    *
+    * @return  boolean
+    * @access  public
+    */
+   function add ($key, $val, $exp = 0)
+   {
+      return $this->_set('add', $key, $val, $exp);
+   }
+
+   // }}}
+   // {{{ decr()
+
+   /**
+    * Decriment a value stored on the memcache server
+    *
+    * @param   string   $key     Key to decriment
+    * @param   interger $amt     (optional) Amount to decriment
+    *
+    * @return  mixed    FALSE on failure, value on success
+    * @access  public
+    */
+   function decr ($key, $amt=1)
+   {
+      return $this->_incrdecr('decr', $key, $amt);
+   }
+
+   // }}}
+   // {{{ delete()
+
+   /**
+    * Deletes a key from the server, optionally after $time
+    *
+    * @param   string   $key     Key to delete
+    * @param   interger $time    (optional) How long to wait before deleting
+    *
+    * @return  boolean  TRUE on success, FALSE on failure
+    * @access  public
+    */
+   function delete ($key, $time = 0)
+   {
+      if (!$this->_active)
+         return false;
+
+      $sock = $this->get_sock($key);
+      if (!is_resource($sock))
+         return false;
+
+      $key = is_array($key) ? $key[1] : $key;
+
+      @$this->stats['delete']++;
+      $cmd = "delete $key $time\r\n";
+      if(!$this->_safe_fwrite($sock, $cmd, strlen($cmd)))
+      {
+         $this->_dead_sock($sock);
+         return false;
+      }
+      $res = trim(fgets($sock));
+
+      if ($this->_debug)
+         $this->_debugprint(sprintf("MemCache: delete %s (%s)\n", $key, $res));
+
+      if ($res == "DELETED")
+         return true;
+      return false;
+   }
+
+   // }}}
+   // {{{ disconnect_all()
+
+   /**
+    * Disconnects all connected sockets
+    *
+    * @access  public
+    */
+   function disconnect_all ()
+   {
+      foreach ($this->_cache_sock as $sock)
+         fclose($sock);
+
+      $this->_cache_sock = array();
+   }
+
+   // }}}
+   // {{{ enable_compress()
+
+   /**
+    * Enable / Disable compression
+    *
+    * @param   boolean  $enable  TRUE to enable, FALSE to disable
+    *
+    * @access  public
+    */
+   function enable_compress ($enable)
+   {
+      $this->_compress_enable = $enable;
+   }
+
+   // }}}
+   // {{{ forget_dead_hosts()
+
+   /**
+    * Forget about all of the dead hosts
+    *
+    * @access  public
+    */
+   function forget_dead_hosts ()
+   {
+      $this->_host_dead = array();
+   }
+
+   // }}}
+   // {{{ get()
+
+   /**
+    * Retrieves the value associated with the key from the memcache server
+    *
+    * @param  string   $key     Key to retrieve
+    *
+    * @return  mixed
+    * @access  public
+    */
+   function get ($key)
+   {
+      $fname = 'memcached::get';
+      wfProfileIn( $fname );
+
+      if (!$this->_active) {
+	 wfProfileOut( $fname );
+         return false;
+      }
+
+      $sock = $this->get_sock($key);
+
+      if (!is_resource($sock)) {
+	 wfProfileOut( $fname );
+         return false;
+      }
+
+      @$this->stats['get']++;
+
+      $cmd = "get $key\r\n";
+      if (!$this->_safe_fwrite($sock, $cmd, strlen($cmd)))
+      {
+         $this->_dead_sock($sock);
+	 wfProfileOut( $fname );
+         return false;
+      }
+
+      $val = array();
+      $this->_load_items($sock, $val);
+
+      if ($this->_debug)
+         foreach ($val as $k => $v)
+            $this->_debugprint(@sprintf("MemCache: sock %s got %s => %s\r\n", serialize($sock), $k, $v));
+
+      wfProfileOut( $fname );
+      return @$val[$key];
+   }
+
+   // }}}
+   // {{{ get_multi()
+
+   /**
+    * Get multiple keys from the server(s)
+    *
+    * @param   array    $keys    Keys to retrieve
+    *
+    * @return  array
+    * @access  public
+    */
+   function get_multi ($keys)
+   {
+      if (!$this->_active)
+         return false;
+
+      $this->stats['get_multi']++;
+
+      foreach ($keys as $key)
+      {
+         $sock = $this->get_sock($key);
+         if (!is_resource($sock)) continue;
+         $key = is_array($key) ? $key[1] : $key;
+         if (!isset($sock_keys[$sock]))
+         {
+            $sock_keys[$sock] = array();
+            $socks[] = $sock;
+         }
+         $sock_keys[$sock][] = $key;
+      }
+
+      // Send out the requests
+      foreach ($socks as $sock)
+      {
+         $cmd = "get";
+         foreach ($sock_keys[$sock] as $key)
+         {
+            $cmd .= " ". $key;
+         }
+         $cmd .= "\r\n";
+
+         if ($this->_safe_fwrite($sock, $cmd, strlen($cmd)))
+         {
+            $gather[] = $sock;
+         } else
+         {
+            $this->_dead_sock($sock);
+         }
+      }
+
+      // Parse responses
+      $val = array();
+      foreach ($gather as $sock)
+      {
+         $this->_load_items($sock, $val);
+      }
+
+      if ($this->_debug)
+         foreach ($val as $k => $v)
+            $this->_debugprint(sprintf("MemCache: got %s => %s\r\n", $k, $v));
+
+      return $val;
+   }
+
+   // }}}
+   // {{{ incr()
+
+   /**
+    * Increments $key (optionally) by $amt
+    *
+    * @param   string   $key     Key to increment
+    * @param   interger $amt     (optional) amount to increment
+    *
+    * @return  interger New key value?
+    * @access  public
+    */
+   function incr ($key, $amt=1)
+   {
+      return $this->_incrdecr('incr', $key, $amt);
+   }
+
+   // }}}
+   // {{{ replace()
+
+   /**
+    * Overwrites an existing value for key; only works if key is already set
+    *
+    * @param   string   $key     Key to set value as
+    * @param   mixed    $value   Value to store
+    * @param   interger $exp     (optional) Experiation time
+    *
+    * @return  boolean
+    * @access  public
+    */
+   function replace ($key, $value, $exp=0)
+   {
+      return $this->_set('replace', $key, $value, $exp);
+   }
+
+   // }}}
+   // {{{ run_command()
+
+   /**
+    * Passes through $cmd to the memcache server connected by $sock; returns
+    * output as an array (null array if no output)
+    *
+    * NOTE: due to a possible bug in how PHP reads while using fgets(), each
+    *       line may not be terminated by a \r\n.  More specifically, my testing
+    *       has shown that, on FreeBSD at least, each line is terminated only
+    *       with a \n.  This is with the PHP flag auto_detect_line_endings set
+    *       to falase (the default).
+    *
+    * @param   resource $sock    Socket to send command on
+    * @param   string   $cmd     Command to run
+    *
+    * @return  array    Output array
+    * @access  public
+    */
+   function run_command ($sock, $cmd)
+   {
+      if (!is_resource($sock))
+         return array();
+
+      if (!$this->_safe_fwrite($sock, $cmd, strlen($cmd)))
+         return array();
+
+      while (true)
+      {
+         $res = fgets($sock);
+         $ret[] = $res;
+         if (preg_match('/^END/', $res))
+            break;
+         if (strlen($res) == 0)
+            break;
+      }
+      return $ret;
+   }
+
+   // }}}
+   // {{{ set()
+
+   /**
+    * Unconditionally sets a key to a given value in the memcache.  Returns true
+    * if set successfully.
+    *
+    * @param   string   $key     Key to set value as
+    * @param   mixed    $value   Value to set
+    * @param   interger $exp     (optional) Experiation time
+    *
+    * @return  boolean  TRUE on success
+    * @access  public
+    */
+   function set ($key, $value, $exp=0)
+   {
+      return $this->_set('set', $key, $value, $exp);
+   }
+
+   // }}}
+   // {{{ set_compress_threshold()
+
+   /**
+    * Sets the compression threshold
+    *
+    * @param   interger $thresh  Threshold to compress if larger than
+    *
+    * @access  public
+    */
+   function set_compress_threshold ($thresh)
+   {
+      $this->_compress_threshold = $thresh;
+   }
+
+   // }}}
+   // {{{ set_debug()
+
+   /**
+    * Sets the debug flag
+    *
+    * @param   boolean  $dbg     TRUE for debugging, FALSE otherwise
+    *
+    * @access  public
+    *
+    * @see     memcahced::memcached
+    */
+   function set_debug ($dbg)
+   {
+      $this->_debug = $dbg;
+   }
+
+   // }}}
+   // {{{ set_servers()
+
+   /**
+    * Sets the server list to distribute key gets and puts between
+    *
+    * @param   array    $list    Array of servers to connect to
+    *
+    * @access  public
+    *
+    * @see     memcached::memcached()
+    */
+   function set_servers ($list)
+   {
+      $this->_servers = $list;
+      $this->_active = count($list);
+      $this->_buckets = null;
+      $this->_bucketcount = 0;
+
+      $this->_single_sock = null;
+      if ($this->_active == 1)
+         $this->_single_sock = $this->_servers[0];
+   }
+
+   /**
+    * Sets the timeout for new connections
+    *
+    * @param   integer  $seconds Number of seconds
+    * @param   integer  $microseconds  Number of microseconds
+    *
+    * @access  public
+    */
+   function set_timeout ($seconds, $microseconds)
+   {
+      $this->_timeout_seconds = $seconds;
+      $this->_timeout_microseconds = $microseconds;
+   }
+
+   // }}}
+   // }}}
+   // {{{ private methods
+   // {{{ _close_sock()
+
+   /**
+    * Close the specified socket
+    *
+    * @param   string   $sock    Socket to close
+    *
+    * @access  private
+    */
+   function _close_sock ($sock)
+   {
+      $host = array_search($sock, $this->_cache_sock);
+      fclose($this->_cache_sock[$host]);
+      unset($this->_cache_sock[$host]);
+   }
+
+   // }}}
+   // {{{ _connect_sock()
+
+   /**
+    * Connects $sock to $host, timing out after $timeout
+    *
+    * @param   interger $sock    Socket to connect
+    * @param   string   $host    Host:IP to connect to
+    * @param   float    $timeout (optional) Timeout value, defaults to 0.25s
+    *
+    * @return  boolean
+    * @access  private
+    */
+   function _connect_sock (&$sock, $host, $timeout = 0.25)
+   {
+      list ($ip, $port) = explode(":", $host);
+      if ($this->_persistant == 1)
+      {
+         $sock = @pfsockopen($ip, $port, $errno, $errstr, $timeout);
+      } else
+      {
+         $sock = @fsockopen($ip, $port, $errno, $errstr, $timeout);
+      }
+
+      if (!$sock) {
+         if ($this->_debug)
+            $this->_debugprint( "Error connecting to $host: $errstr\n" );
+         return false;
+      }
+
+      // Initialise timeout
+      stream_set_timeout($sock, $this->_timeout_seconds, $this->_timeout_microseconds);
+
+      return true;
+   }
+
+   // }}}
+   // {{{ _dead_sock()
+
+   /**
+    * Marks a host as dead until 30-40 seconds in the future
+    *
+    * @param   string   $sock    Socket to mark as dead
+    *
+    * @access  private
+    */
+   function _dead_sock ($sock)
+   {
+      $host = array_search($sock, $this->_cache_sock);
+      @list ($ip, $port) = explode(":", $host);
+      $this->_host_dead[$ip] = time() + 30 + intval(rand(0, 10));
+      $this->_host_dead[$host] = $this->_host_dead[$ip];
+      unset($this->_cache_sock[$host]);
+   }
+
+   // }}}
+   // {{{ get_sock()
+
+   /**
+    * get_sock
+    *
+    * @param   string   $key     Key to retrieve value for;
+    *
+    * @return  mixed    resource on success, false on failure
+    * @access  private
+    */
+   function get_sock ($key)
+   {
+      if (!$this->_active)
+         return false;
+
+      if ($this->_single_sock !== null) {
+         $this->_flush_read_buffer($this->_single_sock);
+         return $this->sock_to_host($this->_single_sock);
+      }
+
+      $hv = is_array($key) ? intval($key[0]) : $this->_hashfunc($key);
+
+      if ($this->_buckets === null)
+      {
+         foreach ($this->_servers as $v)
+         {
+            if (is_array($v))
+            {
+               for ($i=0; $i<$v[1]; $i++)
+                  $bu[] = $v[0];
+            } else
+            {
+               $bu[] = $v;
+            }
+         }
+         $this->_buckets = $bu;
+         $this->_bucketcount = count($bu);
+      }
+
+      $realkey = is_array($key) ? $key[1] : $key;
+      for ($tries = 0; $tries<20; $tries++)
+      {
+         $host = $this->_buckets[$hv % $this->_bucketcount];
+         $sock = $this->sock_to_host($host);
+         if (is_resource($sock)) {
+            $this->_flush_read_buffer($sock);
+            return $sock;
+         }
+         $hv += $this->_hashfunc($tries . $realkey);
+      }
+
+      return false;
+   }
+
+   // }}}
+   // {{{ _hashfunc()
+
+   /**
+    * Creates a hash interger based on the $key
+    *
+    * @param   string   $key     Key to hash
+    *
+    * @return  interger Hash value
+    * @access  private
+    */
+   function _hashfunc ($key)
+   {
+      # Hash function must on [0,0x7ffffff]
+      # We take the first 31 bits of the MD5 hash, which unlike the hash
+      # function used in a previous version of this client, works
+      return hexdec(substr(md5($key),0,8)) & 0x7fffffff;
+   }
+
+   // }}}
+   // {{{ _incrdecr()
+
+   /**
+    * Perform increment/decriment on $key
+    *
+    * @param   string   $cmd     Command to perform
+    * @param   string   $key     Key to perform it on
+    * @param   interger $amt     Amount to adjust
+    *
+    * @return  interger    New value of $key
+    * @access  private
+    */
+   function _incrdecr ($cmd, $key, $amt=1)
+   {
+      if (!$this->_active)
+         return null;
+
+      $sock = $this->get_sock($key);
+      if (!is_resource($sock))
+         return null;
+
+      $key = is_array($key) ? $key[1] : $key;
+      @$this->stats[$cmd]++;
+      if (!$this->_safe_fwrite($sock, "$cmd $key $amt\r\n"))
+         return $this->_dead_sock($sock);
+
+      stream_set_timeout($sock, 1, 0);
+      $line = fgets($sock);
+      if (!preg_match('/^(\d+)/', $line, $match))
+         return null;
+      return $match[1];
+   }
+
+   // }}}
+   // {{{ _load_items()
+
+   /**
+    * Load items into $ret from $sock
+    *
+    * @param   resource $sock    Socket to read from
+    * @param   array    $ret     Returned values
+    *
+    * @access  private
+    */
+   function _load_items ($sock, &$ret)
+   {
+      while (1)
+      {
+         $decl = fgets($sock);
+         if ($decl == "END\r\n")
+         {
+            return true;
+         } elseif (preg_match('/^VALUE (\S+) (\d+) (\d+)\r\n$/', $decl, $match))
+         {
+            list($rkey, $flags, $len) = array($match[1], $match[2], $match[3]);
+            $bneed = $len+2;
+            $offset = 0;
+
+            while ($bneed > 0)
+            {
+               $data = fread($sock, $bneed);
+               $n = strlen($data);
+               if ($n == 0)
+                  break;
+               $offset += $n;
+               $bneed -= $n;
+               @$ret[$rkey] .= $data;
+            }
+
+            if ($offset != $len+2)
+            {
+               // Something is borked!
+               if ($this->_debug)
+                  $this->_debugprint(sprintf("Something is borked!  key %s expecting %d got %d length\n", $rkey, $len+2, $offset));
+
+               unset($ret[$rkey]);
+               $this->_close_sock($sock);
+               return false;
+            }
+
+            if ($this->_have_zlib && $flags & MEMCACHE_COMPRESSED)
+               $ret[$rkey] = gzuncompress($ret[$rkey]);
+
+            $ret[$rkey] = rtrim($ret[$rkey]);
+
+            if ($flags & MEMCACHE_SERIALIZED)
+               $ret[$rkey] = unserialize($ret[$rkey]);
+
+         } else
+         {
+            $this->_debugprint("Error parsing memcached response\n");
+            return 0;
+         }
+      }
+   }
+
+   // }}}
+   // {{{ _set()
+
+   /**
+    * Performs the requested storage operation to the memcache server
+    *
+    * @param   string   $cmd     Command to perform
+    * @param   string   $key     Key to act on
+    * @param   mixed    $val     What we need to store
+    * @param   interger $exp     When it should expire
+    *
+    * @return  boolean
+    * @access  private
+    */
+   function _set ($cmd, $key, $val, $exp)
+   {
+      if (!$this->_active)
+         return false;
+
+      $sock = $this->get_sock($key);
+      if (!is_resource($sock))
+         return false;
+
+      @$this->stats[$cmd]++;
+
+      $flags = 0;
+
+      if (!is_scalar($val))
+      {
+         $val = serialize($val);
+         $flags |= MEMCACHE_SERIALIZED;
+         if ($this->_debug)
+            $this->_debugprint(sprintf("client: serializing data as it is not scalar\n"));
+      }
+
+      $len = strlen($val);
+
+      if ($this->_have_zlib && $this->_compress_enable &&
+          $this->_compress_threshold && $len >= $this->_compress_threshold)
+      {
+         $c_val = gzcompress($val, 9);
+         $c_len = strlen($c_val);
+
+         if ($c_len < $len*(1 - COMPRESSION_SAVINGS))
+         {
+            if ($this->_debug)
+               $this->_debugprint(sprintf("client: compressing data; was %d bytes is now %d bytes\n", $len, $c_len));
+            $val = $c_val;
+            $len = $c_len;
+            $flags |= MEMCACHE_COMPRESSED;
+         }
+      }
+      if (!$this->_safe_fwrite($sock, "$cmd $key $flags $exp $len\r\n$val\r\n"))
+         return $this->_dead_sock($sock);
+
+      $line = trim(fgets($sock));
+
+      if ($this->_debug)
+      {
+         if ($flags & MEMCACHE_COMPRESSED)
+            $val = 'compressed data';
+         $this->_debugprint(sprintf("MemCache: %s %s => %s (%s)\n", $cmd, $key, $val, $line));
+      }
+      if ($line == "STORED")
+         return true;
+      return false;
+   }
+
+   // }}}
+   // {{{ sock_to_host()
+
+   /**
+    * Returns the socket for the host
+    *
+    * @param   string   $host    Host:IP to get socket for
+    *
+    * @return  mixed    IO Stream or false
+    * @access  private
+    */
+   function sock_to_host ($host)
+   {
+      if (isset($this->_cache_sock[$host]))
+         return $this->_cache_sock[$host];
+
+      $now = time();
+      list ($ip, $port) = explode (":", $host);
+      if (isset($this->_host_dead[$host]) && $this->_host_dead[$host] > $now ||
+          isset($this->_host_dead[$ip]) && $this->_host_dead[$ip] > $now)
+         return null;
+
+      if (!$this->_connect_sock($sock, $host))
+         return $this->_dead_sock($host);
+
+      // Do not buffer writes
+      stream_set_write_buffer($sock, 0);
+
+      $this->_cache_sock[$host] = $sock;
+
+      return $this->_cache_sock[$host];
+   }
+
+   function _debugprint($str){
+      print($str);
+   }
+
+   /**
+    * Write to a stream, timing out after the correct amount of time
+    *
+    * @return bool false on failure, true on success
+    */
+    /*
+   function _safe_fwrite($f, $buf, $len = false) {
+      stream_set_blocking($f, 0);
+
+      if ($len === false) {
+         wfDebug("Writing " . strlen( $buf ) . " bytes\n");
+         $bytesWritten = fwrite($f, $buf);
+      } else {
+         wfDebug("Writing $len bytes\n");
+         $bytesWritten = fwrite($f, $buf, $len);
+      }
+      $n = stream_select($r=NULL, $w = array($f), $e = NULL, 10, 0);
+      #   $this->_timeout_seconds, $this->_timeout_microseconds);
+
+      wfDebug("stream_select returned $n\n");
+      stream_set_blocking($f, 1);
+      return $n == 1;
+      return $bytesWritten;
+   }*/
+
+   /**
+    * Original behaviour
+    */
+   function _safe_fwrite($f, $buf, $len = false) {
+      if ($len === false) {
+         $bytesWritten = fwrite($f, $buf);
+      } else {
+         $bytesWritten = fwrite($f, $buf, $len);
+      }
+      return $bytesWritten;
+   }
+
+   /**
+    * Flush the read buffer of a stream
+    */
+   function _flush_read_buffer($f) {
+      if (!is_resource($f)) {
+         return;
+      }
+      $n = stream_select($r=array($f), $w = NULL, $e = NULL, 0, 0);
+      while ($n == 1 && !feof($f)) {
+         fread($f, 1024);
+         $n = stream_select($r=array($f), $w = NULL, $e = NULL, 0, 0);
+      }
+   }
+
+   // }}}
+   // }}}
+   // }}}
+}
+
+// vim: sts=3 sw=3 et
+
+// }}}
+?>
diff --git a/includes/mime.info b/includes/mime.info
new file mode 100644
index 00000000..9b05f089
--- /dev/null
+++ b/includes/mime.info
@@ -0,0 +1,76 @@
+#Mime type info file.
+#the first mime type in each line is the "main" mime type,
+#the others are aliases for this type
+#the media type is given in upper case and square brackets, 
+#like [BITMAP], and must indicate a media type as defined by
+#the MEDIATYPE_xxx constants in Defines.php
+
+
+image/gif	[BITMAP]
+image/png	[BITMAP]
+image/ief	[BITMAP]
+image/jpeg	[BITMAP]
+image/xbm	[BITMAP]
+image/tiff	[BITMAP]
+image/x-icon	[BITMAP]
+image/x-rgb	[BITMAP]
+image/x-portable-pixmap		[BITMAP]
+image/x-portable-graymap image/x-portable-greymap	[BITMAP]
+image/x-bmp image/bmp application/x-bmp application/bmp	[BITMAP]
+image/x-photoshop image/psd image/x-psd image/photoshop	[BITMAP]
+ 
+image/svg image/svg+xml application/svg+xml application/svg	[DRAWING]
+application/postscript	[DRAWING]
+application/x-latex	[DRAWING]
+application/x-tex	[DRAWING]
+
+
+audio/mp3 audio/mpeg3 audio/mpeg	[AUDIO]
+audio/wav audio/x-wav audio/wave	[AUDIO]
+audio/midi audio/mid	[AUDIO]
+audio/basic		[AUDIO]
+audio/x-aiff		[AUDIO]
+audio/x-pn-realaudio	[AUDIO]
+audio/x-realaudio	[AUDIO]
+
+video/mpeg application/mpeg	[VIDEO]
+video/ogg			[VIDEO]
+video/x-sgi-video		[VIDEO]
+
+application/ogg application/x-ogg audio/ogg audio/x-ogg video/ogg video/x-ogg		[MULTIMEDIA]
+
+application/x-shockwave-flash	[MULTIMEDIA]
+audio/x-pn-realaudio-plugin	[MULTIMEDIA]
+model/iges	[MULTIMEDIA]
+model/mesh	[MULTIMEDIA]
+model/vrml	[MULTIMEDIA]
+video/quicktime	[MULTIMEDIA]
+video/x-msvideo	[MULTIMEDIA]
+
+text/plain	[TEXT]
+text/html application/xhtml+xml	[TEXT]
+application/xml text/xml	[TEXT]
+text	[TEXT]
+
+application/zip application/x-zip	[ARCHIVE]
+application/x-gzip	[ARCHIVE]
+application/x-bzip	[ARCHIVE]
+application/x-tar	[ARCHIVE]
+application/x-stuffit	[ARCHIVE]
+
+
+text/javascript application/x-javascript application/x-ecmascript text/ecmascript	[EXECUTABLE]
+application/x-bash	[EXECUTABLE]
+application/x-sh	[EXECUTABLE]
+application/x-csh	[EXECUTABLE]
+application/x-tcsh	[EXECUTABLE]
+application/x-tcl	[EXECUTABLE]
+application/x-perl	[EXECUTABLE]
+application/x-python	[EXECUTABLE]
+
+application/pdf application/acrobat	[OFFICE]
+application/msword		[OFFICE]
+application/vnd.ms-excel	[OFFICE]
+application/vnd.ms-powerpoint	[OFFICE]
+application/x-director		[OFFICE]
+text/rtf			[OFFICE]
diff --git a/includes/mime.types b/includes/mime.types
new file mode 100644
index 00000000..3a7fa39c
--- /dev/null
+++ b/includes/mime.types
@@ -0,0 +1,117 @@
+application/andrew-inset ez
+application/mac-binhex40 hqx
+application/mac-compactpro cpt
+application/mathml+xml mathml
+application/msword doc
+application/octet-stream bin dms lha lzh exe class so dll
+application/oda oda
+application/ogg ogg ogm
+application/pdf pdf
+application/postscript ai eps ps
+application/rdf+xml rdf
+application/smil smi smil
+application/srgs gram
+application/srgs+xml grxml
+application/vnd.mif mif
+application/vnd.ms-excel xls
+application/vnd.ms-powerpoint ppt
+application/vnd.wap.wbxml wbxml
+application/vnd.wap.wmlc wmlc
+application/vnd.wap.wmlscriptc wmlsc
+application/voicexml+xml vxml
+application/x-bcpio bcpio
+application/x-bzip gz bz2
+application/x-cdlink vcd
+application/x-chess-pgn pgn
+application/x-cpio cpio
+application/x-csh csh
+application/x-director dcr dir dxr
+application/x-dvi dvi
+application/x-futuresplash spl
+application/x-gtar gtar tar
+application/x-gzip gz
+application/x-hdf hdf
+application/x-jar jar
+application/x-javascript js
+application/x-koan skp skd skt skm
+application/x-latex latex
+application/x-netcdf nc cdf
+application/x-sh sh
+application/x-shar shar
+application/x-shockwave-flash swf
+application/x-stuffit sit
+application/x-sv4cpio sv4cpio
+application/x-sv4crc sv4crc
+application/x-tar tar
+application/x-tcl tcl
+application/x-tex tex
+application/x-texinfo texinfo texi
+application/x-troff t tr roff
+application/x-troff-man man
+application/x-troff-me me
+application/x-troff-ms ms
+application/x-ustar ustar
+application/x-wais-source src
+application/x-xpinstall xpi
+application/xhtml+xml xhtml xht
+application/xslt+xml xslt
+application/xml xml xsl
+application/xml-dtd dtd
+application/zip zip jar xpi  sxc stc  sxd std   sxi sti   sxm stm   sxw stw  
+audio/basic au snd
+audio/midi mid midi kar
+audio/mpeg mpga mp2 mp3
+audio/ogg ogg 
+audio/x-aiff aif aiff aifc
+audio/x-mpegurl m3u
+audio/x-ogg ogg 
+audio/x-pn-realaudio ram rm
+audio/x-pn-realaudio-plugin rpm
+audio/x-realaudio ra
+audio/x-wav wav
+chemical/x-pdb pdb
+chemical/x-xyz xyz
+image/bmp bmp
+image/cgm cgm
+image/gif gif
+image/ief ief
+image/jpeg jpeg jpg jpe
+image/png png
+image/svg+xml svg
+image/tiff tiff tif
+image/vnd.djvu djvu djv
+image/vnd.wap.wbmp wbmp
+image/x-cmu-raster ras
+image/x-icon ico
+image/x-portable-anymap pnm
+image/x-portable-bitmap pbm
+image/x-portable-graymap pgm
+image/x-portable-pixmap ppm
+image/x-rgb rgb
+image/x-photoshop psd
+image/x-xbitmap xbm
+image/x-xpixmap xpm
+image/x-xwindowdump xwd
+model/iges igs iges
+model/mesh msh mesh silo
+model/vrml wrl vrml
+text/calendar ics ifb
+text/css css
+text/html html htm
+text/plain txt
+text/richtext rtx
+text/rtf rtf
+text/sgml sgml sgm
+text/tab-separated-values tsv
+text/vnd.wap.wml wml
+text/vnd.wap.wmlscript wmls
+text/xml xml xsl xslt rss rdf
+text/x-setext etx
+video/mpeg mpeg mpg mpe
+video/ogg ogm ogg
+video/quicktime qt mov
+video/vnd.mpegurl mxu
+video/x-msvideo avi
+video/x-ogg ogm ogg
+video/x-sgi-movie movie
+x-conference/x-cooltalk ice
\ No newline at end of file
diff --git a/includes/normal/CleanUpTest.php b/includes/normal/CleanUpTest.php
new file mode 100644
index 00000000..4e147cfd
--- /dev/null
+++ b/includes/normal/CleanUpTest.php
@@ -0,0 +1,423 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Additional tests for UtfNormal::cleanUp() function, inclusion
+ * regression checks for known problems.
+ *
+ * Requires PHPUnit.
+ *
+ * @package UtfNormal
+ * @private
+ */
+
+if( php_sapi_name() != 'cli' ) {
+	die( "Run me from the command line please.\n" );
+}
+
+/** */
+if( isset( $_SERVER['argv'] ) && in_array( '--icu', $_SERVER['argv'] ) ) {
+	dl( 'php_utfnormal.so' );
+}
+
+#ini_set( 'memory_limit', '40M' );
+
+require_once( 'PHPUnit.php' );
+require_once( 'UtfNormal.php' );
+
+/**
+ * @package UtfNormal
+ */
+class CleanUpTest extends PHPUnit_TestCase {
+	/**
+	 * @param $name String: FIXME
+	 */
+	function CleanUpTest( $name ) {
+		$this->PHPUnit_TestCase( $name );
+	}
+
+	/** @todo document */
+	function setUp() {
+	}
+
+	/** @todo document */
+	function tearDown() {
+	}
+
+	/** @todo document */
+	function testAscii() {
+		$text = 'This is plain ASCII text.';
+		$this->assertEquals( $text, UtfNormal::cleanUp( $text ) );
+	}
+
+	/** @todo document */
+	function testNull() {
+		$text = "a \x00 null";
+		$expect = "a \xef\xbf\xbd null";
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+
+	/** @todo document */
+	function testLatin() {
+		$text = "L'\xc3\xa9cole";
+		$this->assertEquals( $text, UtfNormal::cleanUp( $text ) );
+	}
+
+	/** @todo document */
+	function testLatinNormal() {
+		$text = "L'e\xcc\x81cole";
+		$expect = "L'\xc3\xa9cole";
+		$this->assertEquals( $expect, UtfNormal::cleanUp( $text ) );
+	}
+
+	/**
+	 * This test is *very* expensive!
+	 * @todo document
+	 */
+	function XtestAllChars() {
+		$rep = UTF8_REPLACEMENT;
+		global $utfCanonicalComp, $utfCanonicalDecomp;
+		for( $i = 0x0; $i < UNICODE_MAX; $i++ ) {
+			$char = codepointToUtf8( $i );
+			$clean = UtfNormal::cleanUp( $char );
+			$x = sprintf( "%04X", $i );
+			if( $i % 0x1000 == 0 ) echo "U+$x\n";
+			if( $i == 0x0009 ||
+			    $i == 0x000a ||
+			    $i == 0x000d ||
+			    ($i > 0x001f && $i < UNICODE_SURROGATE_FIRST) ||
+			    ($i > UNICODE_SURROGATE_LAST && $i < 0xfffe ) ||
+			    ($i > 0xffff && $i <= UNICODE_MAX ) ) {
+				if( isset( $utfCanonicalComp[$char] ) || isset( $utfCanonicalDecomp[$char] ) ) {
+				    $comp = UtfNormal::NFC( $char );
+					$this->assertEquals(
+						bin2hex( $comp ),
+						bin2hex( $clean ),
+						"U+$x should be decomposed" );
+				} else {
+					$this->assertEquals(
+						bin2hex( $char ),
+						bin2hex( $clean ),
+						"U+$x should be intact" );
+				}
+			} else {
+				$this->assertEquals( bin2hex( $rep ), bin2hex( $clean ), $x );
+			}
+		}
+	}
+
+	/** @todo document */
+	function testAllBytes() {
+		$this->doTestBytes( '', '' );
+		$this->doTestBytes( 'x', '' );
+		$this->doTestBytes( '', 'x' );
+		$this->doTestBytes( 'x', 'x' );
+	}
+
+	/** @todo document */
+	function doTestBytes( $head, $tail ) {
+		for( $i = 0x0; $i < 256; $i++ ) {
+			$char = $head . chr( $i ) . $tail;
+			$clean = UtfNormal::cleanUp( $char );
+			$x = sprintf( "%02X", $i );
+			if( $i == 0x0009 ||
+			    $i == 0x000a ||
+			    $i == 0x000d ||
+			    ($i > 0x001f && $i < 0x80) ) {
+				$this->assertEquals(
+					bin2hex( $char ),
+					bin2hex( $clean ),
+					"ASCII byte $x should be intact" );
+				if( $char != $clean ) return;
+			} else {
+				$norm = $head . UTF8_REPLACEMENT . $tail;
+				$this->assertEquals(
+					bin2hex( $norm ),
+					bin2hex( $clean ),
+					"Forbidden byte $x should be rejected" );
+				if( $norm != $clean ) return;
+			}
+		}
+	}
+
+	/** @todo document */
+	function testDoubleBytes() {
+		$this->doTestDoubleBytes( '', '' );
+		$this->doTestDoubleBytes( 'x', '' );
+		$this->doTestDoubleBytes( '', 'x' );
+		$this->doTestDoubleBytes( 'x', 'x' );
+	}
+
+	/**
+	 * @todo document
+	 */
+	function doTestDoubleBytes( $head, $tail ) {
+		for( $first = 0xc0; $first < 0x100; $first++ ) {
+			for( $second = 0x80; $second < 0x100; $second++ ) {
+				$char = $head . chr( $first ) . chr( $second ) . $tail;
+				$clean = UtfNormal::cleanUp( $char );
+				$x = sprintf( "%02X,%02X", $first, $second );
+				if( $first > 0xc1 &&
+				    $first < 0xe0 &&
+				    $second < 0xc0 ) {
+				    $norm = UtfNormal::NFC( $char );
+					$this->assertEquals(
+						bin2hex( $norm ),
+						bin2hex( $clean ),
+						"Pair $x should be intact" );
+				    if( $norm != $clean ) return;
+				} elseif( $first > 0xfd || $second > 0xbf ) {
+					# fe and ff are not legal head bytes -- expect two replacement chars
+					$norm = $head . UTF8_REPLACEMENT . UTF8_REPLACEMENT . $tail;
+					$this->assertEquals(
+						bin2hex( $norm ),
+						bin2hex( $clean ),
+						"Forbidden pair $x should be rejected" );
+					if( $norm != $clean ) return;
+				} else {
+					$norm = $head . UTF8_REPLACEMENT . $tail;
+					$this->assertEquals(
+						bin2hex( $norm ),
+						bin2hex( $clean ),
+						"Forbidden pair $x should be rejected" );
+					if( $norm != $clean ) return;
+				}
+			}
+		}
+	}
+
+	/** @todo document */
+	function testTripleBytes() {
+		$this->doTestTripleBytes( '', '' );
+		$this->doTestTripleBytes( 'x', '' );
+		$this->doTestTripleBytes( '', 'x' );
+		$this->doTestTripleBytes( 'x', 'x' );
+	}
+
+	/** @todo document */
+	function doTestTripleBytes( $head, $tail ) {
+		for( $first = 0xc0; $first < 0x100; $first++ ) {
+			for( $second = 0x80; $second < 0x100; $second++ ) {
+				#for( $third = 0x80; $third < 0x100; $third++ ) {
+				for( $third = 0x80; $third < 0x81; $third++ ) {
+					$char = $head . chr( $first ) . chr( $second ) . chr( $third ) . $tail;
+					$clean = UtfNormal::cleanUp( $char );
+					$x = sprintf( "%02X,%02X,%02X", $first, $second, $third );
+					if( $first >= 0xe0 &&
+						$first < 0xf0 &&
+						$second < 0xc0 &&
+						$third < 0xc0 ) {
+						if( $first == 0xe0 && $second < 0xa0 ) {
+							$this->assertEquals(
+								bin2hex( $head . UTF8_REPLACEMENT . $tail ),
+								bin2hex( $clean ),
+								"Overlong triplet $x should be rejected" );
+						} elseif( $first == 0xed &&
+							( chr( $first ) . chr( $second ) . chr( $third ))  >= UTF8_SURROGATE_FIRST ) {
+							$this->assertEquals(
+								bin2hex( $head . UTF8_REPLACEMENT . $tail ),
+								bin2hex( $clean ),
+								"Surrogate triplet $x should be rejected" );
+						} else {
+							$this->assertEquals(
+								bin2hex( UtfNormal::NFC( $char ) ),
+								bin2hex( $clean ),
+								"Triplet $x should be intact" );
+						}
+					} elseif( $first > 0xc1 && $first < 0xe0 && $second < 0xc0 ) {
+						$this->assertEquals(
+							bin2hex( UtfNormal::NFC( $head . chr( $first ) . chr( $second ) ) . UTF8_REPLACEMENT . $tail ),
+							bin2hex( $clean ),
+							"Valid 2-byte $x + broken tail" );
+					} elseif( $second > 0xc1 && $second < 0xe0 && $third < 0xc0 ) {
+						$this->assertEquals(
+							bin2hex( $head . UTF8_REPLACEMENT . UtfNormal::NFC( chr( $second ) . chr( $third ) . $tail ) ),
+							bin2hex( $clean ),
+							"Broken head + valid 2-byte $x" );
+					} elseif( ( $first > 0xfd || $second > 0xfd ) &&
+					            ( ( $second > 0xbf && $third > 0xbf ) ||
+					              ( $second < 0xc0 && $third < 0xc0 ) ||
+					              ( $second > 0xfd ) ||
+					              ( $third > 0xfd ) ) ) {
+						# fe and ff are not legal head bytes -- expect three replacement chars
+						$this->assertEquals(
+							bin2hex( $head . UTF8_REPLACEMENT . UTF8_REPLACEMENT . UTF8_REPLACEMENT . $tail ),
+							bin2hex( $clean ),
+							"Forbidden triplet $x should be rejected" );
+					} elseif( $first > 0xc2 && $second < 0xc0 && $third < 0xc0 ) {
+						$this->assertEquals(
+							bin2hex( $head . UTF8_REPLACEMENT . $tail ),
+							bin2hex( $clean ),
+							"Forbidden triplet $x should be rejected" );
+					} else {
+						$this->assertEquals(
+							bin2hex( $head . UTF8_REPLACEMENT . UTF8_REPLACEMENT . $tail ),
+							bin2hex( $clean ),
+							"Forbidden triplet $x should be rejected" );
+					}
+				}
+			}
+		}
+	}
+
+	/** @todo document */
+	function testChunkRegression() {
+		# Check for regression against a chunking bug
+		$text   = "\x46\x55\xb8" .
+		          "\xdc\x96" .
+		          "\xee" .
+		          "\xe7" .
+		          "\x44" .
+		          "\xaa" .
+		          "\x2f\x25";
+		$expect = "\x46\x55\xef\xbf\xbd" .
+		          "\xdc\x96" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\x44" .
+		          "\xef\xbf\xbd" .
+		          "\x2f\x25";
+
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+
+	/** @todo document */
+	function testInterposeRegression() {
+		$text   = "\x4e\x30" .
+		          "\xb1" .		# bad tail
+		          "\x3a" .
+		          "\x92" .		# bad tail
+		          "\x62\x3a" .
+		          "\x84" .		# bad tail
+		          "\x43" .
+		          "\xc6" .		# bad head
+		          "\x3f" .
+		          "\x92" .		# bad tail
+		          "\xad" .		# bad tail
+		          "\x7d" .
+		          "\xd9\x95";
+
+		$expect = "\x4e\x30" .
+		          "\xef\xbf\xbd" .
+		          "\x3a" .
+		          "\xef\xbf\xbd" .
+		          "\x62\x3a" .
+		          "\xef\xbf\xbd" .
+		          "\x43" .
+		          "\xef\xbf\xbd" .
+		          "\x3f" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\x7d" .
+		          "\xd9\x95";
+
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+
+	/** @todo document */
+	function testOverlongRegression() {
+		$text   = "\x67" .
+		          "\x1a" . # forbidden ascii
+		          "\xea" . # bad head
+		          "\xc1\xa6" . # overlong sequence
+		          "\xad" . # bad tail
+		          "\x1c" . # forbidden ascii
+		          "\xb0" . # bad tail
+		          "\x3c" .
+		          "\x9e";  # bad tail
+		$expect = "\x67" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\x3c" .
+		          "\xef\xbf\xbd";
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+
+	/** @todo document */
+	function testSurrogateRegression() {
+		$text   = "\xed\xb4\x96" . # surrogate 0xDD16
+		          "\x83" . # bad tail
+		          "\xb4" . # bad tail
+		          "\xac";  # bad head
+		$expect = "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd";
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+
+	/** @todo document */
+	function testBomRegression() {
+		$text   = "\xef\xbf\xbe" . # U+FFFE, illegal char
+		          "\xb2" . # bad tail
+		          "\xef" . # bad head
+		          "\x59";
+		$expect = "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\xef\xbf\xbd" .
+		          "\x59";
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+
+	/** @todo document */
+	function testForbiddenRegression() {
+		$text   = "\xef\xbf\xbf"; # U+FFFF, illegal char
+		$expect = "\xef\xbf\xbd";
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+
+	/** @todo document */
+	function testHangulRegression() {
+		$text = "\xed\x9c\xaf" . # Hangul char
+				"\xe1\x87\x81";  # followed by another final jamo
+		$expect = $text;         # Should *not* change.
+		$this->assertEquals(
+			bin2hex( $expect ),
+			bin2hex( UtfNormal::cleanUp( $text ) ) );
+	}
+}
+
+
+$suite =& new PHPUnit_TestSuite( 'CleanUpTest' );
+$result = PHPUnit::run( $suite );
+echo $result->toString();
+
+if( !$result->wasSuccessful() ) {
+	exit( -1 );
+}
+exit( 0 );
+?>
diff --git a/includes/normal/Makefile b/includes/normal/Makefile
new file mode 100644
index 00000000..fcdf2380
--- /dev/null
+++ b/includes/normal/Makefile
@@ -0,0 +1,72 @@
+.PHONY : all test testutf8 testclean icutest bench icubench clean distclean
+
+FETCH=wget
+#FETCH=fetch
+BASE=http://www.unicode.org/Public/UNIDATA
+PHP=php
+#PHP=php-cli
+
+all : UtfNormalData.inc
+
+UtfNormalData.inc : UtfNormalGenerate.php UtfNormalUtil.php UnicodeData.txt CompositionExclusions.txt NormalizationCorrections.txt DerivedNormalizationProps.txt
+	$(PHP) UtfNormalGenerate.php
+
+test : testutf8 testclean UtfNormalTest.php UtfNormalData.inc NormalizationTest.txt
+	$(PHP) UtfNormalTest.php
+
+testutf8 : Utf8Test.php UTF-8-test.txt
+	$(PHP) Utf8Test.php
+
+testclean : CleanUpTest.php
+	$(PHP) CleanUpTest.php
+
+bench : UtfNormalData.inc testdata/washington.txt testdata/berlin.txt testdata/tokyo.txt testdata/sociology.txt testdata/bulgakov.txt
+	$(PHP) UtfNormalBench.php
+
+icutest : UtfNormalData.inc NormalizationTest.txt
+	$(PHP) Utf8Test.php --icu
+	$(PHP) CleanUpTest.php --icu
+	$(PHP) UtfNormalTest.php --icu
+
+icubench : UtfNormalData.inc testdata/washington.txt testdata/berlin.txt testdata/tokyo.txt testdata/sociology.txt testdata/bulgakov.txt
+	$(PHP) UtfNormalBench.php --icu
+
+clean :
+	rm -f UtfNormalData.inc
+
+distclean : clean
+	rm -f CompositionExclusions.txt NormalizationTest.txt NormalizationCorrections.txt UnicodeData.txt DerivedNormalizationProps.txt
+
+# The Unicode data files...
+CompositionExclusions.txt :
+	$(FETCH) $(BASE)/CompositionExclusions.txt
+
+NormalizationTest.txt :
+	$(FETCH) $(BASE)/NormalizationTest.txt
+
+NormalizationCorrections.txt :
+	$(FETCH) $(BASE)/NormalizationCorrections.txt
+
+DerivedNormalizationProps.txt :
+	$(FETCH) $(BASE)/DerivedNormalizationProps.txt
+
+UnicodeData.txt :
+	$(FETCH) $(BASE)/UnicodeData.txt
+
+UTF-8-test.txt :
+	$(FETCH) http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
+
+testdata/berlin.txt :
+	mkdir -p testdata && wget -U MediaWiki/test -O testdata/berlin.txt "http://de.wikipedia.org/w/wiki.phtml?title=Berlin&oldid=2775712&action=raw"
+
+testdata/washington.txt :
+	mkdir -p testdata && wget -U MediaWiki/test -O testdata/washington.txt "http://en.wikipedia.org/w/wiki.phtml?title=Washington%2C_DC&oldid=6370218&action=raw"
+
+testdata/tokyo.txt :
+	mkdir -p testdata && wget -U MediaWiki/test -O testdata/tokyo.txt "http://ja.wikipedia.org/w/wiki.phtml?title=%E6%9D%B1%E4%BA%AC%E9%83%BD&oldid=940880&action=raw"
+
+testdata/sociology.txt :
+	mkdir -p testdata && wget -U MediaWiki/test -O testdata/sociology.txt "http://ko.wikipedia.org/w/wiki.phtml?title=%EC%82%AC%ED%9A%8C%ED%95%99&oldid=16409&action=raw"
+
+testdata/bulgakov.txt :
+	mkdir -p testdata && wget -U MediaWiki/test -O testdata/bulgakov.txt "http://ru.wikipedia.org/w/wiki.phtml?title=%D0%91%D1%83%D0%BB%D0%B3%D0%B0%D0%BA%D0%BE%D0%B2%2C_%D0%A1%D0%B5%D1%80%D0%B3%D0%B5%D0%B9_%D0%9D%D0%B8%D0%BA%D0%BE%D0%BB%D0%B0%D0%B5%D0%B2%D0%B8%D1%87&oldid=17704&action=raw"
diff --git a/includes/normal/README b/includes/normal/README
new file mode 100644
index 00000000..f8207a1b
--- /dev/null
+++ b/includes/normal/README
@@ -0,0 +1,55 @@
+This directory contains some Unicode normalization routines. These routines
+are meant to be reusable in other projects, so I'm not tying them to the
+MediaWiki utility functions.
+
+The main function to care about is UtfNormal::toNFC(); this will convert
+a given UTF-8 string to Normalization Form C if it's not already such.
+The function assumes that the input string is already valid UTF-8; if there
+are corrupt characters this may produce erroneous results.
+
+To also check for illegal characters, use UtfNormal::cleanUp(). This will
+strip illegal UTF-8 sequences and characters that are illegal in XML, and
+if necessary convert to normalization form C.
+
+Performance is kind of stinky in absolute terms, though it should be speedy
+on pure ASCII text. ;) On text that can be determined quickly to already be
+in NFC it's not too awful but it can quickly get uncomfortably slow,
+particularly for Korean text (the hangul decomposition/composition code is
+extra slow).
+
+
+== Regenerating data tables ==
+
+UtfNormalData.inc and UtfNormalDataK.inc are generated from the Unicode
+Character Database by the script UtfNormalGenerate.php. On a *nix system
+'make' should fetch the necessary files and regenerate it if the scripts
+have been changed or you remove it.
+
+
+== Testing ==
+
+'make test' will run the conformance test (UtfNormalTest.php), fetching the
+data from from the net if necessary. If it reports failure, something is
+going wrong!
+
+
+== Benchmarks ==
+
+Run 'make bench' to download some sample texts from Wikipedia and run some
+cheap benchmarks of some of the functions. Take all numbers with large
+grains of salt.
+
+
+== PHP module extension ==
+
+There's an experimental PHP extension module which wraps the ICU library's
+normalization functions. This is *MUCH* faster than doing this work in pure
+PHP code. This is in the 'normal' directory in MediaWiki's CVS extensions
+module. It is known to work with PHP 4.3.8 and 5.0.2 on Linux/x86 but hasn't
+been thoroughly tested on other configurations.
+
+If the php_normal.so module is loaded in php.ini, the normalization functions
+will automatically use it. If you can't (or don't want to) load it in php.ini,
+you may be able to load it using the dl() function before include()ing or
+require()ing UtfNormal.php, and it will be picked up.
+
diff --git a/includes/normal/RandomTest.php b/includes/normal/RandomTest.php
new file mode 100644
index 00000000..3a5a407b
--- /dev/null
+++ b/includes/normal/RandomTest.php
@@ -0,0 +1,107 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Test feeds random 16-byte strings to both the pure PHP and ICU-based
+ * UtfNormal::cleanUp() code paths, and checks to see if there's a
+ * difference. Will run forever until it finds one or you kill it.
+ *
+ * @package UtfNormal
+ * @access private
+ */
+
+if( php_sapi_name() != 'cli' ) {
+	die( "Run me from the command line please.\n" );
+}
+
+/** */
+require_once( 'UtfNormal.php' );
+require_once( '../DifferenceEngine.php' );
+
+dl('php_utfnormal.so' );
+
+# mt_srand( 99999 );
+
+function randomString( $length, $nullOk, $ascii = false ) {
+	$out = '';
+	for( $i = 0; $i < $length; $i++ )
+		$out .= chr( mt_rand( $nullOk ? 0 : 1, $ascii ? 127 : 255 ) );
+	return $out;
+}
+
+/* Duplicate of the cleanUp() path for ICU usage */
+function donorm( $str ) {
+	# We exclude a few chars that ICU would not.
+	$str = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', UTF8_REPLACEMENT, $str );
+	$str = str_replace( UTF8_FFFE, UTF8_REPLACEMENT, $str );
+	$str = str_replace( UTF8_FFFF, UTF8_REPLACEMENT, $str );
+
+	# UnicodeString constructor fails if the string ends with a head byte.
+	# Add a junk char at the end, we'll strip it off
+	return rtrim( utf8_normalize( $str . "\x01", UNORM_NFC ), "\x01" );
+}
+
+function wfMsg($x) {
+	return $x;
+}
+
+function showDiffs( $a, $b ) {
+	$ota = explode( "\n", str_replace( "\r\n", "\n", $a ) );
+	$nta = explode( "\n", str_replace( "\r\n", "\n", $b ) );
+
+	$diffs =& new Diff( $ota, $nta );
+	$formatter =& new TableDiffFormatter();
+	$funky = $formatter->format( $diffs );
+	preg_match_all( '/<span class="diffchange">(.*?)<\/span>/', $funky, $matches );
+	foreach( $matches[1] as $bit ) {
+		$hex = bin2hex( $bit );
+		echo "\t$hex\n";
+	}
+}
+
+$size = 16;
+$n = 0;
+while( true ) {
+	$n++;
+	echo "$n\n";
+
+	$str = randomString( $size, true);
+	$clean = UtfNormal::cleanUp( $str );
+	$norm = donorm( $str );
+
+	echo strlen( $clean ) . ", " . strlen( $norm );
+	if( $clean == $norm ) {
+		echo " (match)\n";
+	} else {
+		echo " (FAIL)\n";
+		echo "\traw: " . bin2hex( $str ) . "\n" .
+			 "\tphp: " . bin2hex( $clean ) . "\n" .
+			 "\ticu: " . bin2hex( $norm ) . "\n";
+		echo "\n\tdiffs:\n";
+		showDiffs( $clean, $norm );
+		die();
+	}
+
+
+	$str = '';
+	$clean = '';
+	$norm = '';
+}
+
+?>
\ No newline at end of file
diff --git a/includes/normal/Utf8Test.php b/includes/normal/Utf8Test.php
new file mode 100644
index 00000000..71069598
--- /dev/null
+++ b/includes/normal/Utf8Test.php
@@ -0,0 +1,151 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Runs the UTF-8 decoder test at:
+ * http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
+ *
+ * @package UtfNormal
+ * @access private
+ */
+
+/** */
+require_once 'UtfNormalUtil.php';
+require_once 'UtfNormal.php';
+mb_internal_encoding( "utf-8" );
+
+#$verbose = true;
+if( php_sapi_name() != 'cli' ) {
+	die( "Run me from the command line please.\n" );
+}
+
+$in = fopen( "UTF-8-test.txt", "rt" );
+if( !$in ) {
+	print "Couldn't open UTF-8-test.txt -- can't run tests.\n";
+	print "If necessary, manually download this file. It can be obtained at\n";
+	print "http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt";
+	exit(-1);
+}
+
+$columns = 0;
+while( false !== ( $line = fgets( $in ) ) ) {
+	if( preg_match( '/^(Here come the tests:\s*)\|$/', $line, $matches ) ) {
+		$columns = strpos( $line, '|' );
+		break;
+	}
+}
+
+if( !$columns ) {
+	print "Something seems to be wrong; couldn't extract line length.\n";
+	print "Check that UTF-8-test.txt was downloaded correctly from\n";
+	print "http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt";
+	exit(-1);
+}
+
+# print "$columns\n";
+
+$ignore = array(
+	# These two lines actually seem to be corrupt
+	'2.1.1', '2.2.1' );
+
+$exceptions = array(
+	# Tests that should mark invalid characters due to using long
+	# sequences beyond what is now considered legal.
+	'2.1.5', '2.1.6', '2.2.4', '2.2.5', '2.2.6', '2.3.5',
+
+	# Literal 0xffff, which is illegal
+	'2.2.3' );
+
+$longTests = array(
+	# These tests span multiple lines
+	'3.1.9', '3.2.1', '3.2.2', '3.2.3', '3.2.4', '3.2.5',
+	'3.4' );
+
+# These tests are not in proper subsections
+$sectionTests = array( '3.4' );
+
+$section = NULL;
+$test = '';
+$failed = 0;
+$success = 0;
+$total = 0;
+while( false !== ( $line = fgets( $in ) ) ) {
+	if( preg_match( '/^(\d+)\s+(.*?)\s*\|/', $line, $matches ) ) {
+		$section = $matches[1];
+		print $line;
+		continue;
+	}
+	if( preg_match( '/^(\d+\.\d+\.\d+)\s*/', $line, $matches ) ) {
+		$test = $matches[1];
+
+		if( in_array( $test, $ignore ) ) {
+			continue;
+		}
+		if( in_array( $test, $longTests ) ) {
+			$line = fgets( $in );
+			for( $line = fgets( $in ); !preg_match( '/^\s+\|/', $line ); $line = fgets( $in ) ) {
+				testLine( $test, $line, $total, $success, $failed );
+			}
+		} else {
+			testLine( $test, $line, $total, $success, $failed );
+		}
+	}
+}
+
+if( $failed ) {
+	echo "\nFailed $failed tests.\n";
+	echo "UTF-8 DECODER TEST FAILED\n";
+	exit (-1);
+}
+
+echo "UTF-8 DECODER TEST SUCCESS!\n";
+exit (0);
+
+
+function testLine( $test, $line, &$total, &$success, &$failed ) {
+	$stripped = $line;
+	UtfNormal::quickisNFCVerify( $stripped );
+
+	$same = ( $line == $stripped );
+	$len = mb_strlen( substr( $stripped, 0, strpos( $stripped, '|' ) ) );
+	if( $len == 0 ) {
+		$len = strlen( substr( $stripped, 0, strpos( $stripped, '|' ) ) );
+	}
+
+	global $columns;
+	$ok = $same ^ ($test >= 3 );
+
+	global $exceptions;
+	$ok ^= in_array( $test, $exceptions );
+
+	$ok &= ($columns == $len);
+
+	$total++;
+	if( $ok ) {
+		$success++;
+	} else {
+		$failed++;
+	}
+	global $verbose;
+	if( $verbose || !$ok ) {
+		print str_replace( "\n", "$len\n", $stripped );
+	}
+}
+
+?>
diff --git a/includes/normal/UtfNormal.php b/includes/normal/UtfNormal.php
new file mode 100644
index 00000000..d8641993
--- /dev/null
+++ b/includes/normal/UtfNormal.php
@@ -0,0 +1,792 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Unicode normalization routines for working with UTF-8 strings.
+ * Currently assumes that input strings are valid UTF-8!
+ *
+ * Not as fast as I'd like, but should be usable for most purposes.
+ * UtfNormal::toNFC() will bail early if given ASCII text or text
+ * it can quickly deterimine is already normalized.
+ *
+ * All functions can be called static.
+ *
+ * See description of forms at http://www.unicode.org/reports/tr15/
+ *
+ * @package UtfNormal
+ */
+
+/** */
+require_once 'UtfNormalUtil.php';
+
+global $utfCombiningClass, $utfCanonicalComp, $utfCanonicalDecomp;
+$utfCombiningClass = NULL;
+$utfCanonicalComp = NULL;
+$utfCanonicalDecomp = NULL;
+
+# Load compatibility decompositions on demand if they are needed.
+global $utfCompatibilityDecomp;
+$utfCompatibilityDecomp = NULL;
+
+define( 'UNICODE_HANGUL_FIRST', 0xac00 );
+define( 'UNICODE_HANGUL_LAST',  0xd7a3 );
+
+define( 'UNICODE_HANGUL_LBASE', 0x1100 );
+define( 'UNICODE_HANGUL_VBASE', 0x1161 );
+define( 'UNICODE_HANGUL_TBASE', 0x11a7 );
+
+define( 'UNICODE_HANGUL_LCOUNT', 19 );
+define( 'UNICODE_HANGUL_VCOUNT', 21 );
+define( 'UNICODE_HANGUL_TCOUNT', 28 );
+define( 'UNICODE_HANGUL_NCOUNT', UNICODE_HANGUL_VCOUNT * UNICODE_HANGUL_TCOUNT );
+
+define( 'UNICODE_HANGUL_LEND', UNICODE_HANGUL_LBASE + UNICODE_HANGUL_LCOUNT - 1 );
+define( 'UNICODE_HANGUL_VEND', UNICODE_HANGUL_VBASE + UNICODE_HANGUL_VCOUNT - 1 );
+define( 'UNICODE_HANGUL_TEND', UNICODE_HANGUL_TBASE + UNICODE_HANGUL_TCOUNT - 1 );
+
+define( 'UNICODE_SURROGATE_FIRST', 0xd800 );
+define( 'UNICODE_SURROGATE_LAST', 0xdfff );
+define( 'UNICODE_MAX', 0x10ffff );
+define( 'UNICODE_REPLACEMENT', 0xfffd );
+
+
+define( 'UTF8_HANGUL_FIRST', "\xea\xb0\x80" /*codepointToUtf8( UNICODE_HANGUL_FIRST )*/ );
+define( 'UTF8_HANGUL_LAST', "\xed\x9e\xa3" /*codepointToUtf8( UNICODE_HANGUL_LAST )*/ );
+
+define( 'UTF8_HANGUL_LBASE', "\xe1\x84\x80" /*codepointToUtf8( UNICODE_HANGUL_LBASE )*/ );
+define( 'UTF8_HANGUL_VBASE', "\xe1\x85\xa1" /*codepointToUtf8( UNICODE_HANGUL_VBASE )*/ );
+define( 'UTF8_HANGUL_TBASE', "\xe1\x86\xa7" /*codepointToUtf8( UNICODE_HANGUL_TBASE )*/ );
+
+define( 'UTF8_HANGUL_LEND', "\xe1\x84\x92" /*codepointToUtf8( UNICODE_HANGUL_LEND )*/ );
+define( 'UTF8_HANGUL_VEND', "\xe1\x85\xb5" /*codepointToUtf8( UNICODE_HANGUL_VEND )*/ );
+define( 'UTF8_HANGUL_TEND', "\xe1\x87\x82" /*codepointToUtf8( UNICODE_HANGUL_TEND )*/ );
+
+define( 'UTF8_SURROGATE_FIRST', "\xed\xa0\x80" /*codepointToUtf8( UNICODE_SURROGATE_FIRST )*/ );
+define( 'UTF8_SURROGATE_LAST', "\xed\xbf\xbf" /*codepointToUtf8( UNICODE_SURROGATE_LAST )*/ );
+define( 'UTF8_MAX', "\xf4\x8f\xbf\xbf" /*codepointToUtf8( UNICODE_MAX )*/ );
+define( 'UTF8_REPLACEMENT', "\xef\xbf\xbd" /*codepointToUtf8( UNICODE_REPLACEMENT )*/ );
+#define( 'UTF8_REPLACEMENT', '!' );
+
+define( 'UTF8_OVERLONG_A', "\xc1\xbf" );
+define( 'UTF8_OVERLONG_B', "\xe0\x9f\xbf" );
+define( 'UTF8_OVERLONG_C', "\xf0\x8f\xbf\xbf" );
+
+# These two ranges are illegal
+define( 'UTF8_FDD0', "\xef\xb7\x90" /*codepointToUtf8( 0xfdd0 )*/ );
+define( 'UTF8_FDEF', "\xef\xb7\xaf" /*codepointToUtf8( 0xfdef )*/ );
+define( 'UTF8_FFFE', "\xef\xbf\xbe" /*codepointToUtf8( 0xfffe )*/ );
+define( 'UTF8_FFFF', "\xef\xbf\xbf" /*codepointToUtf8( 0xffff )*/ );
+
+define( 'UTF8_HEAD', false );
+define( 'UTF8_TAIL', true );
+
+
+/**
+ * For using the ICU wrapper
+ */
+define( 'UNORM_NONE', 1 );
+define( 'UNORM_NFD',  2 );
+define( 'UNORM_NFKD', 3 );
+define( 'UNORM_NFC',  4 );
+define( 'UNORM_DEFAULT', UNORM_NFC );
+define( 'UNORM_NFKC', 5 );
+define( 'UNORM_FCD',  6 );
+
+define( 'NORMALIZE_ICU', function_exists( 'utf8_normalize' ) );
+
+/**
+ *
+ * @package MediaWiki
+ */
+class UtfNormal {
+	/**
+	 * The ultimate convenience function! Clean up invalid UTF-8 sequences,
+	 * and convert to normal form C, canonical composition.
+	 *
+	 * Fast return for pure ASCII strings; some lesser optimizations for
+	 * strings containing only known-good characters. Not as fast as toNFC().
+	 *
+	 * @param string $string a UTF-8 string
+	 * @return string a clean, shiny, normalized UTF-8 string
+	 */
+	function cleanUp( $string ) {
+		if( NORMALIZE_ICU ) {
+			# We exclude a few chars that ICU would not.
+			$string = preg_replace(
+				'/[\x00-\x08\x0b\x0c\x0e-\x1f]/',
+				UTF8_REPLACEMENT,
+				$string );
+			$string = str_replace( UTF8_FFFE, UTF8_REPLACEMENT, $string );
+			$string = str_replace( UTF8_FFFF, UTF8_REPLACEMENT, $string );
+
+			# UnicodeString constructor fails if the string ends with a
+			# head byte. Add a junk char at the end, we'll strip it off.
+			return rtrim( utf8_normalize( $string . "\x01", UNORM_NFC ), "\x01" );
+		} elseif( UtfNormal::quickIsNFCVerify( $string ) ) {
+			# Side effect -- $string has had UTF-8 errors cleaned up.
+			return $string;
+		} else {
+			return UtfNormal::NFC( $string );
+		}
+	}
+
+	/**
+	 * Convert a UTF-8 string to normal form C, canonical composition.
+	 * Fast return for pure ASCII strings; some lesser optimizations for
+	 * strings containing only known-good characters.
+	 *
+	 * @param string $string a valid UTF-8 string. Input is not validated.
+	 * @return string a UTF-8 string in normal form C
+	 */
+	function toNFC( $string ) {
+		if( NORMALIZE_ICU )
+			return utf8_normalize( $string, UNORM_NFC );
+		elseif( UtfNormal::quickIsNFC( $string ) )
+			return $string;
+		else
+			return UtfNormal::NFC( $string );
+	}
+
+	/**
+	 * Convert a UTF-8 string to normal form D, canonical decomposition.
+	 * Fast return for pure ASCII strings.
+	 *
+	 * @param string $string a valid UTF-8 string. Input is not validated.
+	 * @return string a UTF-8 string in normal form D
+	 */
+	function toNFD( $string ) {
+		if( NORMALIZE_ICU )
+			return utf8_normalize( $string, UNORM_NFD );
+		elseif( preg_match( '/[\x80-\xff]/', $string ) )
+			return UtfNormal::NFD( $string );
+		else
+			return $string;
+	}
+
+	/**
+	 * Convert a UTF-8 string to normal form KC, compatibility composition.
+	 * This may cause irreversible information loss, use judiciously.
+	 * Fast return for pure ASCII strings.
+	 *
+	 * @param string $string a valid UTF-8 string. Input is not validated.
+	 * @return string a UTF-8 string in normal form KC
+	 */
+	function toNFKC( $string ) {
+		if( NORMALIZE_ICU )
+			return utf8_normalize( $string, UNORM_NFKC );
+		elseif( preg_match( '/[\x80-\xff]/', $string ) )
+			return UtfNormal::NFKC( $string );
+		else
+			return $string;
+	}
+
+	/**
+	 * Convert a UTF-8 string to normal form KD, compatibility decomposition.
+	 * This may cause irreversible information loss, use judiciously.
+	 * Fast return for pure ASCII strings.
+	 *
+	 * @param string $string a valid UTF-8 string. Input is not validated.
+	 * @return string a UTF-8 string in normal form KD
+	 */
+	function toNFKD( $string ) {
+		if( NORMALIZE_ICU )
+			return utf8_normalize( $string, UNORM_NFKD );
+		elseif( preg_match( '/[\x80-\xff]/', $string ) )
+			return UtfNormal::NFKD( $string );
+		else
+			return $string;
+	}
+
+	/**
+	 * Load the basic composition data if necessary
+	 * @private
+	 */
+	function loadData() {
+		# fixme : are $utfCanonicalComp, $utfCanonicalDecomp really used?
+		global $utfCombiningClass, $utfCanonicalComp, $utfCanonicalDecomp;
+		if( !isset( $utfCombiningClass ) ) {
+			require_once( 'UtfNormalData.inc' );
+		}
+	}
+
+	/**
+	 * Returns true if the string is _definitely_ in NFC.
+	 * Returns false if not or uncertain.
+	 * @param string $string a valid UTF-8 string. Input is not validated.
+	 * @return bool
+	 */
+	function quickIsNFC( $string ) {
+		# ASCII is always valid NFC!
+		# If it's pure ASCII, let it through.
+		if( !preg_match( '/[\x80-\xff]/', $string ) ) return true;
+
+		UtfNormal::loadData();
+		global $utfCheckNFC, $utfCombiningClass;
+		$len = strlen( $string );
+		for( $i = 0; $i < $len; $i++ ) {
+			$c = $string{$i};
+			$n = ord( $c );
+			if( $n < 0x80 ) {
+				continue;
+			} elseif( $n >= 0xf0 ) {
+				$c = substr( $string, $i, 4 );
+				$i += 3;
+			} elseif( $n >= 0xe0 ) {
+				$c = substr( $string, $i, 3 );
+				$i += 2;
+			} elseif( $n >= 0xc0 ) {
+				$c = substr( $string, $i, 2 );
+				$i++;
+			}
+			if( isset( $utfCheckNFC[$c] ) ) {
+				# If it's NO or MAYBE, bail and do the slow check.
+				return false;
+			}
+			if( isset( $utfCombiningClass[$c] ) ) {
+				# Combining character? We might have to do sorting, at least.
+				return false;
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Returns true if the string is _definitely_ in NFC.
+	 * Returns false if not or uncertain.
+	 * @param string $string a UTF-8 string, altered on output to be valid UTF-8 safe for XML.
+	 */
+	function quickIsNFCVerify( &$string ) {
+		# Screen out some characters that eg won't be allowed in XML
+		$string = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', UTF8_REPLACEMENT, $string );
+
+		# ASCII is always valid NFC!
+		# If we're only ever given plain ASCII, we can avoid the overhead
+		# of initializing the decomposition tables by skipping out early.
+		if( !preg_match( '/[\x80-\xff]/', $string ) ) return true;
+
+		static $checkit = null, $tailBytes = null, $utfCheckOrCombining = null;
+		if( !isset( $checkit ) ) {
+			# Load/build some scary lookup tables...
+			UtfNormal::loadData();
+			global $utfCheckNFC, $utfCombiningClass;
+
+			$utfCheckOrCombining = array_merge( $utfCheckNFC, $utfCombiningClass );
+
+			# Head bytes for sequences which we should do further validity checks
+			$checkit = array_flip( array_map( 'chr',
+					array( 0xc0, 0xc1, 0xe0, 0xed, 0xef,
+						   0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+						   0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff ) ) );
+
+			# Each UTF-8 head byte is followed by a certain
+			# number of tail bytes.
+			$tailBytes = array();
+			for( $n = 0; $n < 256; $n++ ) {
+				if( $n < 0xc0 ) {
+					$remaining = 0;
+				} elseif( $n < 0xe0 ) {
+					$remaining = 1;
+				} elseif( $n < 0xf0 ) {
+					$remaining = 2;
+				} elseif( $n < 0xf8 ) {
+					$remaining = 3;
+				} elseif( $n < 0xfc ) {
+					$remaining = 4;
+				} elseif( $n < 0xfe ) {
+					$remaining = 5;
+				} else {
+					$remaining = 0;
+				}
+				$tailBytes[chr($n)] = $remaining;
+			}
+		}
+
+		# Chop the text into pure-ASCII and non-ASCII areas;
+		# large ASCII parts can be handled much more quickly.
+		# Don't chop up Unicode areas for punctuation, though,
+		# that wastes energy.
+		preg_match_all(
+			'/([\x00-\x7f]+|[\x80-\xff][\x00-\x40\x5b-\x5f\x7b-\xff]*)/',
+			$string, $matches );
+
+		$looksNormal = true;
+		$base = 0;
+		$replace = array();
+		foreach( $matches[1] as $str ) {
+			$chunk = strlen( $str );
+
+			if( $str{0} < "\x80" ) {
+				# ASCII chunk: guaranteed to be valid UTF-8
+				# and in normal form C, so skip over it.
+				$base += $chunk;
+				continue;
+			}
+
+			# We'll have to examine the chunk byte by byte to ensure
+			# that it consists of valid UTF-8 sequences, and to see
+			# if any of them might not be normalized.
+			#
+			# Since PHP is not the fastest language on earth, some of
+			# this code is a little ugly with inner loop optimizations.
+
+			$head = '';
+			$len = $chunk + 1; # Counting down is faster. I'm *so* sorry.
+
+			for( $i = -1; --$len; ) {
+				if( $remaining = $tailBytes[$c = $str{++$i}] ) {
+					# UTF-8 head byte!
+					$sequence = $head = $c;
+					do {
+						# Look for the defined number of tail bytes...
+						if( --$len && ( $c = $str{++$i} ) >= "\x80" && $c < "\xc0" ) {
+							# Legal tail bytes are nice.
+							$sequence .= $c;
+						} else {
+							if( 0 == $len ) {
+								# Premature end of string!
+								# Drop a replacement character into output to
+								# represent the invalid UTF-8 sequence.
+								$replace[] = array( UTF8_REPLACEMENT,
+													$base + $i + 1 - strlen( $sequence ),
+													strlen( $sequence ) );
+								break 2;
+							} else {
+								# Illegal tail byte; abandon the sequence.
+								$replace[] = array( UTF8_REPLACEMENT,
+													$base + $i - strlen( $sequence ),
+													strlen( $sequence ) );
+								# Back up and reprocess this byte; it may itself
+								# be a legal ASCII or UTF-8 sequence head.
+								--$i;
+								++$len;
+								continue 2;
+							}
+						}
+					} while( --$remaining );
+
+					if( isset( $checkit[$head] ) ) {
+						# Do some more detailed validity checks, for
+						# invalid characters and illegal sequences.
+						if( $head == "\xed" ) {
+							# 0xed is relatively frequent in Korean, which
+							# abuts the surrogate area, so we're doing
+							# this check separately to speed things up.
+
+							if( $sequence >= UTF8_SURROGATE_FIRST ) {
+								# Surrogates are legal only in UTF-16 code.
+								# They are totally forbidden here in UTF-8
+								# utopia.
+								$replace[] = array( UTF8_REPLACEMENT,
+								             $base + $i + 1 - strlen( $sequence ),
+								             strlen( $sequence ) );
+								$head = '';
+								continue;
+							}
+						} else {
+							# Slower, but rarer checks...
+							$n = ord( $head );
+							if(
+								# "Overlong sequences" are those that are syntactically
+								# correct but use more UTF-8 bytes than are necessary to
+								# encode a character. Naïve string comparisons can be
+								# tricked into failing to see a match for an ASCII
+								# character, for instance, which can be a security hole
+								# if blacklist checks are being used.
+							       ($n  < 0xc2 && $sequence <= UTF8_OVERLONG_A)
+								|| ($n == 0xe0 && $sequence <= UTF8_OVERLONG_B)
+								|| ($n == 0xf0 && $sequence <= UTF8_OVERLONG_C)
+
+								# U+FFFE and U+FFFF are explicitly forbidden in Unicode.
+								|| ($n == 0xef &&
+									   ($sequence == UTF8_FFFE)
+									|| ($sequence == UTF8_FFFF) )
+
+								# Unicode has been limited to 21 bits; longer
+								# sequences are not allowed.
+								|| ($n >= 0xf0 && $sequence > UTF8_MAX) ) {
+
+								$replace[] = array( UTF8_REPLACEMENT,
+								                    $base + $i + 1 - strlen( $sequence ),
+								                    strlen( $sequence ) );
+								$head = '';
+								continue;
+							}
+						}
+					}
+
+					if( isset( $utfCheckOrCombining[$sequence] ) ) {
+						# If it's NO or MAYBE, we'll have to rip
+						# the string apart and put it back together.
+						# That's going to be mighty slow.
+						$looksNormal = false;
+					}
+
+					# The sequence is legal!
+					$head = '';
+				} elseif( $c < "\x80" ) {
+					# ASCII byte.
+					$head = '';
+				} elseif( $c < "\xc0" ) {
+					# Illegal tail bytes
+					if( $head == '' ) {
+						# Out of the blue!
+						$replace[] = array( UTF8_REPLACEMENT, $base + $i, 1 );
+					} else {
+						# Don't add if we're continuing a broken sequence;
+						# we already put a replacement character when we looked
+						# at the broken sequence.
+						$replace[] = array( '', $base + $i, 1 );
+					}
+				} else {
+					# Miscellaneous freaks.
+					$replace[] = array( UTF8_REPLACEMENT, $base + $i, 1 );
+					$head = '';
+				}
+			}
+			$base += $chunk;
+		}
+		if( count( $replace ) ) {
+			# There were illegal UTF-8 sequences we need to fix up.
+			$out = '';
+			$last = 0;
+			foreach( $replace as $rep ) {
+				list( $replacement, $start, $length ) = $rep;
+				if( $last < $start ) {
+					$out .= substr( $string, $last, $start - $last );
+				}
+				$out .= $replacement;
+				$last = $start + $length;
+			}
+			if( $last < strlen( $string ) ) {
+				$out .= substr( $string, $last );
+			}
+			$string = $out;
+		}
+		return $looksNormal;
+	}
+
+	# These take a string and run the normalization on them, without
+	# checking for validity or any optimization etc. Input must be
+	# VALID UTF-8!
+	/**
+	 * @param string $string
+	 * @return string
+	 * @private
+	 */
+	function NFC( $string ) {
+		return UtfNormal::fastCompose( UtfNormal::NFD( $string ) );
+	}
+
+	/**
+	 * @param string $string
+	 * @return string
+	 * @private
+	 */
+	function NFD( $string ) {
+		UtfNormal::loadData();
+		global $utfCanonicalDecomp;
+		return UtfNormal::fastCombiningSort(
+			UtfNormal::fastDecompose( $string, $utfCanonicalDecomp ) );
+	}
+
+	/**
+	 * @param string $string
+	 * @return string
+	 * @private
+	 */
+	function NFKC( $string ) {
+		return UtfNormal::fastCompose( UtfNormal::NFKD( $string ) );
+	}
+
+	/**
+	 * @param string $string
+	 * @return string
+	 * @private
+	 */
+	function NFKD( $string ) {
+		global $utfCompatibilityDecomp;
+		if( !isset( $utfCompatibilityDecomp ) ) {
+			require_once( 'UtfNormalDataK.inc' );
+		}
+		return UtfNormal::fastCombiningSort(
+			UtfNormal::fastDecompose( $string, $utfCompatibilityDecomp ) );
+	}
+
+
+	/**
+	 * Perform decomposition of a UTF-8 string into either D or KD form
+	 * (depending on which decomposition map is passed to us).
+	 * Input is assumed to be *valid* UTF-8. Invalid code will break.
+	 * @private
+	 * @param string $string Valid UTF-8 string
+	 * @param array $map hash of expanded decomposition map
+	 * @return string a UTF-8 string decomposed, not yet normalized (needs sorting)
+	 */
+	function fastDecompose( $string, &$map ) {
+		UtfNormal::loadData();
+		$len = strlen( $string );
+		$out = '';
+		for( $i = 0; $i < $len; $i++ ) {
+			$c = $string{$i};
+			$n = ord( $c );
+			if( $n < 0x80 ) {
+				# ASCII chars never decompose
+				# THEY ARE IMMORTAL
+				$out .= $c;
+				continue;
+			} elseif( $n >= 0xf0 ) {
+				$c = substr( $string, $i, 4 );
+				$i += 3;
+			} elseif( $n >= 0xe0 ) {
+				$c = substr( $string, $i, 3 );
+				$i += 2;
+			} elseif( $n >= 0xc0 ) {
+				$c = substr( $string, $i, 2 );
+				$i++;
+			}
+			if( isset( $map[$c] ) ) {
+				$out .= $map[$c];
+				continue;
+			} else {
+				if( $c >= UTF8_HANGUL_FIRST && $c <= UTF8_HANGUL_LAST ) {
+					# Decompose a hangul syllable into jamo;
+					# hardcoded for three-byte UTF-8 sequence.
+					# A lookup table would be slightly faster,
+					# but adds a lot of memory & disk needs.
+					#
+					$index = ( (ord( $c{0} ) & 0x0f) << 12
+					         | (ord( $c{1} ) & 0x3f) <<  6
+					         | (ord( $c{2} ) & 0x3f) )
+					       - UNICODE_HANGUL_FIRST;
+					$l = intval( $index / UNICODE_HANGUL_NCOUNT );
+					$v = intval( ($index % UNICODE_HANGUL_NCOUNT) / UNICODE_HANGUL_TCOUNT);
+					$t = $index % UNICODE_HANGUL_TCOUNT;
+					$out .= "\xe1\x84" . chr( 0x80 + $l ) . "\xe1\x85" . chr( 0xa1 + $v );
+					if( $t >= 25 ) {
+						$out .= "\xe1\x87" . chr( 0x80 + $t - 25 );
+					} elseif( $t ) {
+						$out .= "\xe1\x86" . chr( 0xa7 + $t );
+					}
+					continue;
+				}
+			}
+			$out .= $c;
+		}
+		return $out;
+	}
+
+	/**
+	 * Sorts combining characters into canonical order. This is the
+	 * final step in creating decomposed normal forms D and KD.
+	 * @private
+	 * @param string $string a valid, decomposed UTF-8 string. Input is not validated.
+	 * @return string a UTF-8 string with combining characters sorted in canonical order
+	 */
+	function fastCombiningSort( $string ) {
+		UtfNormal::loadData();
+		global $utfCombiningClass;
+		$len = strlen( $string );
+		$out = '';
+		$combiners = array();
+		$lastClass = -1;
+		for( $i = 0; $i < $len; $i++ ) {
+			$c = $string{$i};
+			$n = ord( $c );
+			if( $n >= 0x80 ) {
+				if( $n >= 0xf0 ) {
+					$c = substr( $string, $i, 4 );
+					$i += 3;
+				} elseif( $n >= 0xe0 ) {
+					$c = substr( $string, $i, 3 );
+					$i += 2;
+				} elseif( $n >= 0xc0 ) {
+					$c = substr( $string, $i, 2 );
+					$i++;
+				}
+				if( isset( $utfCombiningClass[$c] ) ) {
+					$lastClass = $utfCombiningClass[$c];
+					@$combiners[$lastClass] .= $c;
+					continue;
+				}
+			}
+			if( $lastClass ) {
+				ksort( $combiners );
+				$out .= implode( '', $combiners );
+				$combiners = array();
+			}
+			$out .= $c;
+			$lastClass = 0;
+		}
+		if( $lastClass ) {
+			ksort( $combiners );
+			$out .= implode( '', $combiners );
+		}
+		return $out;
+	}
+
+	/**
+	 * Produces canonically composed sequences, i.e. normal form C or KC.
+	 *
+	 * @private
+	 * @param string $string a valid UTF-8 string in sorted normal form D or KD. Input is not validated.
+	 * @return string a UTF-8 string with canonical precomposed characters used where possible
+	 */
+	function fastCompose( $string ) {
+		UtfNormal::loadData();
+		global $utfCanonicalComp, $utfCombiningClass;
+		$len = strlen( $string );
+		$out = '';
+		$lastClass = -1;
+		$lastHangul = 0;
+		$startChar = '';
+		$combining = '';
+		$x1 = ord(substr(UTF8_HANGUL_VBASE,0,1));
+		$x2 = ord(substr(UTF8_HANGUL_TEND,0,1));
+		for( $i = 0; $i < $len; $i++ ) {
+			$c = $string{$i};
+			$n = ord( $c );
+			if( $n < 0x80 ) {
+				# No combining characters here...
+				$out .= $startChar;
+				$out .= $combining;
+				$startChar = $c;
+				$combining = '';
+				$lastClass = 0;
+				continue;
+			} elseif( $n >= 0xf0 ) {
+				$c = substr( $string, $i, 4 );
+				$i += 3;
+			} elseif( $n >= 0xe0 ) {
+				$c = substr( $string, $i, 3 );
+				$i += 2;
+			} elseif( $n >= 0xc0 ) {
+				$c = substr( $string, $i, 2 );
+				$i++;
+			}
+			$pair = $startChar . $c;
+			if( $n > 0x80 ) {
+				if( isset( $utfCombiningClass[$c] ) ) {
+					# A combining char; see what we can do with it
+					$class = $utfCombiningClass[$c];
+					if( !empty( $startChar ) &&
+						$lastClass < $class &&
+						$class > 0 &&
+						isset( $utfCanonicalComp[$pair] ) ) {
+						$startChar = $utfCanonicalComp[$pair];
+						$class = 0;
+					} else {
+						$combining .= $c;
+					}
+					$lastClass = $class;
+					$lastHangul = 0;
+					continue;
+				}
+			}
+			# New start char
+			if( $lastClass == 0 ) {
+				if( isset( $utfCanonicalComp[$pair] ) ) {
+					$startChar = $utfCanonicalComp[$pair];
+					$lastHangul = 0;
+					continue;
+				}
+				if( $n >= $x1 && $n <= $x2 ) {
+					# WARNING: Hangul code is painfully slow.
+					# I apologize for this ugly, ugly code; however
+					# performance is even more teh suck if we call
+					# out to nice clean functions. Lookup tables are
+					# marginally faster, but require a lot of space.
+					#
+					if( $c >= UTF8_HANGUL_VBASE &&
+						$c <= UTF8_HANGUL_VEND &&
+						$startChar >= UTF8_HANGUL_LBASE &&
+						$startChar <= UTF8_HANGUL_LEND ) {
+						#
+						#$lIndex = utf8ToCodepoint( $startChar ) - UNICODE_HANGUL_LBASE;
+						#$vIndex = utf8ToCodepoint( $c ) - UNICODE_HANGUL_VBASE;
+						$lIndex = ord( $startChar{2} ) - 0x80;
+						$vIndex = ord( $c{2}         ) - 0xa1;
+
+						$hangulPoint = UNICODE_HANGUL_FIRST +
+							UNICODE_HANGUL_TCOUNT *
+							(UNICODE_HANGUL_VCOUNT * $lIndex + $vIndex);
+
+						# Hardcode the limited-range UTF-8 conversion:
+						$startChar = chr( $hangulPoint >> 12 & 0x0f | 0xe0 ) .
+									 chr( $hangulPoint >>  6 & 0x3f | 0x80 ) .
+									 chr( $hangulPoint       & 0x3f | 0x80 );
+						$lastHangul = 0;
+						continue;
+					} elseif( $c >= UTF8_HANGUL_TBASE &&
+							  $c <= UTF8_HANGUL_TEND &&
+							  $startChar >= UTF8_HANGUL_FIRST &&
+							  $startChar <= UTF8_HANGUL_LAST &&
+							  !$lastHangul ) {
+						# $tIndex = utf8ToCodepoint( $c ) - UNICODE_HANGUL_TBASE;
+						$tIndex = ord( $c{2} ) - 0xa7;
+						if( $tIndex < 0 ) $tIndex = ord( $c{2} ) - 0x80 + (0x11c0 - 0x11a7);
+
+						# Increment the code point by $tIndex, without
+						# the function overhead of decoding and recoding UTF-8
+						#
+						$tail = ord( $startChar{2} ) + $tIndex;
+						if( $tail > 0xbf ) {
+							$tail -= 0x40;
+							$mid = ord( $startChar{1} ) + 1;
+							if( $mid > 0xbf ) {
+								$startChar{0} = chr( ord( $startChar{0} ) + 1 );
+								$mid -= 0x40;
+							}
+							$startChar{1} = chr( $mid );
+						}
+						$startChar{2} = chr( $tail );
+
+						# If there's another jamo char after this, *don't* try to merge it.
+						$lastHangul = 1;
+						continue;
+					}
+				}
+			}
+			$out .= $startChar;
+			$out .= $combining;
+			$startChar = $c;
+			$combining = '';
+			$lastClass = 0;
+			$lastHangul = 0;
+		}
+		$out .= $startChar . $combining;
+		return $out;
+	}
+
+	/**
+	 * This is just used for the benchmark, comparing how long it takes to
+	 * interate through a string without really doing anything of substance.
+	 * @param string $string
+	 * @return string
+	 */
+	function placebo( $string ) {
+		$len = strlen( $string );
+		$out = '';
+		for( $i = 0; $i < $len; $i++ ) {
+			$out .= $string{$i};
+		}
+		return $out;
+	}
+}
+
+?>
diff --git a/includes/normal/UtfNormalBench.php b/includes/normal/UtfNormalBench.php
new file mode 100644
index 00000000..a5eb267e
--- /dev/null
+++ b/includes/normal/UtfNormalBench.php
@@ -0,0 +1,107 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Approximate benchmark for some basic operations.
+ *
+ * @package UtfNormal
+ * @access private
+ */
+
+/** */
+if( isset( $_SERVER['argv'] ) && in_array( '--icu', $_SERVER['argv'] ) ) {
+	dl( 'php_utfnormal.so' );
+}
+
+require_once 'UtfNormalUtil.php';
+require_once 'UtfNormal.php';
+
+define( 'BENCH_CYCLES', 5 );
+
+if( php_sapi_name() != 'cli' ) {
+	die( "Run me from the command line please.\n" );
+}
+
+$testfiles = array(
+	'testdata/washington.txt' => 'English text',
+	'testdata/berlin.txt' => 'German text',
+	'testdata/bulgakov.txt' => 'Russian text',
+	'testdata/tokyo.txt' => 'Japanese text',
+	'testdata/sociology.txt' => 'Korean text'
+);
+$normalizer = new UtfNormal;
+UtfNormal::loadData();
+foreach( $testfiles as $file => $desc ) {
+	benchmarkTest( $normalizer, $file, $desc );
+}
+
+# -------
+
+function benchmarkTest( &$u, $filename, $desc ) {
+	print "Testing $filename ($desc)...\n";
+	$data = file_get_contents( $filename );
+	$forms = array(
+#		'placebo',
+		'cleanUp',
+		'toNFC',
+#		'toNFKC',
+#		'toNFD', 'toNFKD',
+		'NFC',
+#		'NFKC',
+#		'NFD', 'NFKD',
+		array( 'fastDecompose', 'fastCombiningSort', 'fastCompose' ),
+#		'quickIsNFC', 'quickIsNFCVerify',
+		);
+	foreach( $forms as $form ) {
+		if( is_array( $form ) ) {
+			$str = $data;
+			foreach( $form as $step ) {
+				$str = benchmarkForm( $u, $str, $step );
+			}
+		} else {
+			benchmarkForm( $u, $data, $form );
+		}
+	}
+}
+
+function benchTime(){
+	$st = explode( ' ', microtime() );
+	return (float)$st[0] + (float)$st[1];
+}
+
+function benchmarkForm( &$u, &$data, $form ) {
+	global $utfCanonicalDecomp;
+	#$start = benchTime();
+	for( $i = 0; $i < BENCH_CYCLES; $i++ ) {
+		$start = benchTime();
+		$out = $u->$form( $data, $utfCanonicalDecomp );
+		$deltas[] = (benchTime() - $start);
+	}
+	#$delta = (benchTime() - $start) / BENCH_CYCLES;
+	sort( $deltas );
+	$delta = $deltas[0]; # Take shortest time
+
+	$rate = intval( strlen( $data ) / $delta );
+	$same = (0 == strcmp( $data, $out ) );
+
+	printf( " %20s %6.1fms %8d bytes/s (%s)\n", $form, $delta*1000.0, $rate, ($same ? 'no change' : 'changed' ) );
+	return $out;
+}
+
+?>
diff --git a/includes/normal/UtfNormalData.inc b/includes/normal/UtfNormalData.inc
new file mode 100644
index 00000000..6216d1a3
--- /dev/null
+++ b/includes/normal/UtfNormalData.inc
@@ -0,0 +1,13 @@
+<?php
+/**
+ * This file was automatically generated -- do not edit!
+ * Run UtfNormalGenerate.php to create this file again (make clean && make)
+ * @package MediaWiki
+ */
+/** */
+global $utfCombiningClass, $utfCanonicalComp, $utfCanonicalDecomp, $utfCheckNFC;
+$utfCombiningClass = unserialize( 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:4:"𝅾";i:220;s:4:"𝅿";i:220;s:4:"𝆀";i:220;s:4:"𝆁";i:220;s:4:"𝆂";i:220;s:4:"𝆅";i:230;s:4:"𝆆";i:230;s:4:"𝆇";i:230;s:4:"𝆈";i:230;s:4:"𝆉";i:230;s:4:"𝆊";i:220;s:4:"𝆋";i:220;s:4:"𝆪";i:230;s:4:"𝆫";i:230;s:4:"𝆬";i:230;s:4:"𝆭";i:230;s:4:"𝉂";i:230;s:4:"𝉃";i:230;s:4:"𝉄";i:230;}' );
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);
+?>
diff --git a/includes/normal/UtfNormalDataK.inc b/includes/normal/UtfNormalDataK.inc
new file mode 100644
index 00000000..0f4cd7a5
--- /dev/null
+++ b/includes/normal/UtfNormalDataK.inc
@@ -0,0 +1,10 @@
+<?php
+/**
+ * This file was automatically generated -- do not edit!
+ * Run UtfNormalGenerate.php to create this file again (make clean && make)
+ * @package MediaWiki
+ */
+/** */
+global $utfCompatibilityDecomp;
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s:3:"栟";s:4:"椔";s:3:"椔";s:4:"㮝";s:3:"㮝";s:4:"楂";s:3:"楂";s:4:"榣";s:3:"榣";s:4:"槪";s:3:"槪";s:4:"檨";s:3:"檨";s:4:"𣚣";s:4:"𣚣";s:4:"櫛";s:3:"櫛";s:4:"㰘";s:3:"㰘";s:4:"次";s:3:"次";s:4:"𣢧";s:4:"𣢧";s:4:"歔";s:3:"歔";s:4:"㱎";s:3:"㱎";s:4:"歲";s:3:"歲";s:4:"殟";s:3:"殟";s:4:"殺";s:3:"殺";s:4:"殻";s:3:"殻";s:4:"𣪍";s:4:"𣪍";s:4:"𡴋";s:4:"𡴋";s:4:"𣫺";s:4:"𣫺";s:4:"汎";s:3:"汎";s:4:"𣲼";s:4:"𣲼";s:4:"沿";s:3:"沿";s:4:"泍";s:3:"泍";s:4:"汧";s:3:"汧";s:4:"洖";s:3:"洖";s:4:"派";s:3:"派";s:4:"海";s:3:"海";s:4:"流";s:3:"流";s:4:"浩";s:3:"浩";s:4:"浸";s:3:"浸";s:4:"涅";s:3:"涅";s:4:"𣴞";s:4:"𣴞";s:4:"洴";s:3:"洴";s:4:"港";s:3:"港";s:4:"湮";s:3:"湮";s:4:"㴳";s:3:"㴳";s:4:"滋";s:3:"滋";s:4:"滇";s:3:"滇";s:4:"𣻑";s:4:"𣻑";s:4:"淹";s:3:"淹";s:4:"潮";s:3:"潮";s:4:"𣽞";s:4:"𣽞";s:4:"𣾎";s:4:"𣾎";s:4:"濆";s:3:"濆";s:4:"瀹";s:3:"瀹";s:4:"瀞";s:3:"瀞";s:4:"瀛";s:3:"瀛";s:4:"㶖";s:3:"㶖";s:4:"灊";s:3:"灊";s:4:"災";s:3:"災";s:4:"灷";s:3:"灷";s:4:"炭";s:3:"炭";s:4:"𠔥";s:4:"𠔥";s:4:"煅";s:3:"煅";s:4:"𤉣";s:4:"𤉣";s:4:"熜";s:3:"熜";s:4:"𤎫";s:4:"𤎫";s:4:"爨";s:3:"爨";s:4:"爵";s:3:"爵";s:4:"牐";s:3:"牐";s:4:"𤘈";s:4:"𤘈";s:4:"犀";s:3:"犀";s:4:"犕";s:3:"犕";s:4:"𤜵";s:4:"𤜵";s:4:"𤠔";s:4:"𤠔";s:4:"獺";s:3:"獺";s:4:"王";s:3:"王";s:4:"㺬";s:3:"㺬";s:4:"玥";s:3:"玥";s:4:"㺸";s:3:"㺸";s:4:"㺸";s:3:"㺸";s:4:"瑇";s:3:"瑇";s:4:"瑜";s:3:"瑜";s:4:"瑱";s:3:"瑱";s:4:"璅";s:3:"璅";s:4:"瓊";s:3:"瓊";s:4:"㼛";s:3:"㼛";s:4:"甤";s:3:"甤";s:4:"𤰶";s:4:"𤰶";s:4:"甾";s:3:"甾";s:4:"𤲒";s:4:"𤲒";s:4:"異";s:3:"異";s:4:"𢆟";s:4:"𢆟";s:4:"瘐";s:3:"瘐";s:4:"𤾡";s:4:"𤾡";s:4:"𤾸";s:4:"𤾸";s:4:"𥁄";s:4:"𥁄";s:4:"㿼";s:3:"㿼";s:4:"䀈";s:3:"䀈";s:4:"直";s:3:"直";s:4:"𥃳";s:4:"𥃳";s:4:"𥃲";s:4:"𥃲";s:4:"𥄙";s:4:"𥄙";s:4:"𥄳";s:4:"𥄳";s:4:"眞";s:3:"眞";s:4:"真";s:3:"真";s:4:"真";s:3:"真";s:4:"睊";s:3:"睊";s:4:"䀹";s:3:"䀹";s:4:"瞋";s:3:"瞋";s:4:"䁆";s:3:"䁆";s:4:"䂖";s:3:"䂖";s:4:"𥐝";s:4:"𥐝";s:4:"硎";s:3:"硎";s:4:"碌";s:3:"碌";s:4:"磌";s:3:"磌";s:4:"䃣";s:3:"䃣";s:4:"𥘦";s:4:"𥘦";s:4:"祖";s:3:"祖";s:4:"𥚚";s:4:"𥚚";s:4:"𥛅";s:4:"𥛅";s:4:"福";s:3:"福";s:4:"秫";s:3:"秫";s:4:"䄯";s:3:"䄯";s:4:"穀";s:3:"穀";s:4:"穊";s:3:"穊";s:4:"穏";s:3:"穏";s:4:"𥥼";s:4:"𥥼";s:4:"𥪧";s:4:"𥪧";s:4:"𥪧";s:4:"𥪧";s:4:"竮";s:3:"竮";s:4:"䈂";s:3:"䈂";s:4:"𥮫";s:4:"𥮫";s:4:"篆";s:3:"篆";s:4:"築";s:3:"築";s:4:"䈧";s:3:"䈧";s:4:"𥲀";s:4:"𥲀";s:4:"糒";s:3:"糒";s:4:"䊠";s:3:"䊠";s:4:"糨";s:3:"糨";s:4:"糣";s:3:"糣";s:4:"紀";s:3:"紀";s:4:"𥾆";s:4:"𥾆";s:4:"絣";s:3:"絣";s:4:"䌁";s:3:"䌁";s:4:"緇";s:3:"緇";s:4:"縂";s:3:"縂";s:4:"繅";s:3:"繅";s:4:"䌴";s:3:"䌴";s:4:"𦈨";s:4:"𦈨";s:4:"𦉇";s:4:"𦉇";s:4:"䍙";s:3:"䍙";s:4:"𦋙";s:4:"𦋙";s:4:"罺";s:3:"罺";s:4:"𦌾";s:4:"𦌾";s:4:"羕";s:3:"羕";s:4:"翺";s:3:"翺";s:4:"者";s:3:"者";s:4:"𦓚";s:4:"𦓚";s:4:"𦔣";s:4:"𦔣";s:4:"聠";s:3:"聠";s:4:"𦖨";s:4:"𦖨";s:4:"聰";s:3:"聰";s:4:"𣍟";s:4:"𣍟";s:4:"䏕";s:3:"䏕";s:4:"育";s:3:"育";s:4:"脃";s:3:"脃";s:4:"䐋";s:3:"䐋";s:4:"脾";s:3:"脾";s:4:"媵";s:3:"媵";s:4:"𦞧";s:4:"𦞧";s:4:"𦞵";s:4:"𦞵";s:4:"𣎓";s:4:"𣎓";s:4:"𣎜";s:4:"𣎜";s:4:"舁";s:3:"舁";s:4:"舄";s:3:"舄";s:4:"辞";s:3:"辞";s:4:"䑫";s:3:"䑫";s:4:"芑";s:3:"芑";s:4:"芋";s:3:"芋";s:4:"芝";s:3:"芝";s:4:"劳";s:3:"劳";s:4:"花";s:3:"花";s:4:"芳";s:3:"芳";s:4:"芽";s:3:"芽";s:4:"苦";s:3:"苦";s:4:"𦬼";s:4:"𦬼";s:4:"若";s:3:"若";s:4:"茝";s:3:"茝";s:4:"荣";s:3:"荣";s:4:"莭";s:3:"莭";s:4:"茣";s:3:"茣";s:4:"莽";s:3:"莽";s:4:"菧";s:3:"菧";s:4:"著";s:3:"著";s:4:"荓";s:3:"荓";s:4:"菊";s:3:"菊";s:4:"菌";s:3:"菌";s:4:"菜";s:3:"菜";s:4:"𦰶";s:4:"𦰶";s:4:"𦵫";s:4:"𦵫";s:4:"𦳕";s:4:"𦳕";s:4:"䔫";s:3:"䔫";s:4:"蓱";s:3:"蓱";s:4:"蓳";s:3:"蓳";s:4:"蔖";s:3:"蔖";s:4:"𧏊";s:4:"𧏊";s:4:"蕤";s:3:"蕤";s:4:"𦼬";s:4:"𦼬";s:4:"䕝";s:3:"䕝";s:4:"䕡";s:3:"䕡";s:4:"𦾱";s:4:"𦾱";s:4:"𧃒";s:4:"𧃒";s:4:"䕫";s:3:"䕫";s:4:"虐";s:3:"虐";s:4:"虜";s:3:"虜";s:4:"虧";s:3:"虧";s:4:"虩";s:3:"虩";s:4:"蚩";s:3:"蚩";s:4:"蚈";s:3:"蚈";s:4:"蜎";s:3:"蜎";s:4:"蛢";s:3:"蛢";s:4:"蝹";s:3:"蝹";s:4:"蜨";s:3:"蜨";s:4:"蝫";s:3:"蝫";s:4:"螆";s:3:"螆";s:4:"䗗";s:3:"䗗";s:4:"蟡";s:3:"蟡";s:4:"蠁";s:3:"蠁";s:4:"䗹";s:3:"䗹";s:4:"衠";s:3:"衠";s:4:"衣";s:3:"衣";s:4:"𧙧";s:4:"𧙧";s:4:"裗";s:3:"裗";s:4:"裞";s:3:"裞";s:4:"䘵";s:3:"䘵";s:4:"裺";s:3:"裺";s:4:"㒻";s:3:"㒻";s:4:"𧢮";s:4:"𧢮";s:4:"𧥦";s:4:"𧥦";s:4:"䚾";s:3:"䚾";s:4:"䛇";s:3:"䛇";s:4:"誠";s:3:"誠";s:4:"諭";s:3:"諭";s:4:"變";s:3:"變";s:4:"豕";s:3:"豕";s:4:"𧲨";s:4:"𧲨";s:4:"貫";s:3:"貫";s:4:"賁";s:3:"賁";s:4:"贛";s:3:"贛";s:4:"起";s:3:"起";s:4:"𧼯";s:4:"𧼯";s:4:"𠠄";s:4:"𠠄";s:4:"跋";s:3:"跋";s:4:"趼";s:3:"趼";s:4:"跰";s:3:"跰";s:4:"𠣞";s:4:"𠣞";s:4:"軔";s:3:"軔";s:4:"輸";s:3:"輸";s:4:"𨗒";s:4:"𨗒";s:4:"𨗭";s:4:"𨗭";s:4:"邔";s:3:"邔";s:4:"郱";s:3:"郱";s:4:"鄑";s:3:"鄑";s:4:"𨜮";s:4:"𨜮";s:4:"鄛";s:3:"鄛";s:4:"鈸";s:3:"鈸";s:4:"鋗";s:3:"鋗";s:4:"鋘";s:3:"鋘";s:4:"鉼";s:3:"鉼";s:4:"鏹";s:3:"鏹";s:4:"鐕";s:3:"鐕";s:4:"𨯺";s:4:"𨯺";s:4:"開";s:3:"開";s:4:"䦕";s:3:"䦕";s:4:"閷";s:3:"閷";s:4:"𨵷";s:4:"𨵷";s:4:"䧦";s:3:"䧦";s:4:"雃";s:3:"雃";s:4:"嶲";s:3:"嶲";s:4:"霣";s:3:"霣";s:4:"𩅅";s:4:"𩅅";s:4:"𩈚";s:4:"𩈚";s:4:"䩮";s:3:"䩮";s:4:"䩶";s:3:"䩶";s:4:"韠";s:3:"韠";s:4:"𩐊";s:4:"𩐊";s:4:"䪲";s:3:"䪲";s:4:"𩒖";s:4:"𩒖";s:4:"頋";s:3:"頋";s:4:"頋";s:3:"頋";s:4:"頩";s:3:"頩";s:4:"𩖶";s:4:"𩖶";s:4:"飢";s:3:"飢";s:4:"䬳";s:3:"䬳";s:4:"餩";s:3:"餩";s:4:"馧";s:3:"馧";s:4:"駂";s:3:"駂";s:4:"駾";s:3:"駾";s:4:"䯎";s:3:"䯎";s:4:"𩬰";s:4:"𩬰";s:4:"鬒";s:3:"鬒";s:4:"鱀";s:3:"鱀";s:4:"鳽";s:3:"鳽";s:4:"䳎";s:3:"䳎";s:4:"䳭";s:3:"䳭";s:4:"鵧";s:3:"鵧";s:4:"𪃎";s:4:"𪃎";s:4:"䳸";s:3:"䳸";s:4:"𪄅";s:4:"𪄅";s:4:"𪈎";s:4:"𪈎";s:4:"𪊑";s:4:"𪊑";s:4:"麻";s:3:"麻";s:4:"䵖";s:3:"䵖";s:4:"黹";s:3:"黹";s:4:"黾";s:3:"黾";s:4:"鼅";s:3:"鼅";s:4:"鼏";s:3:"鼏";s:4:"鼖";s:3:"鼖";s:4:"鼻";s:3:"鼻";s:4:"𪘀";s:4:"𪘀";}' );
+?>
diff --git a/includes/normal/UtfNormalGenerate.php b/includes/normal/UtfNormalGenerate.php
new file mode 100644
index 00000000..688a80f1
--- /dev/null
+++ b/includes/normal/UtfNormalGenerate.php
@@ -0,0 +1,235 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * This script generates UniNormalData.inc from the Unicode Character Database
+ * and supplementary files.
+ *
+ * @package UtfNormal
+ * @access private
+ */
+
+/** */
+
+if( php_sapi_name() != 'cli' ) {
+	die( "Run me from the command line please.\n" );
+}
+
+require_once 'UtfNormalUtil.php';
+
+$in = fopen("DerivedNormalizationProps.txt", "rt" );
+if( !$in ) {
+	print "Can't open DerivedNormalizationProps.txt for reading.\n";
+	print "If necessary, fetch this file from the internet:\n";
+	print "http://www.unicode.org/Public/UNIDATA/CompositionExclusions.txt\n";
+	exit(-1);
+}
+print "Initializing normalization quick check tables...\n";
+$checkNFC = array();
+while( false !== ($line = fgets( $in ) ) ) {
+	if( preg_match( '/^([0-9A-F]+)(?:..([0-9A-F]+))?\s*;\s*(NFC_QC)\s*;\s*([MN])/', $line, $matches ) ) {
+		list( $junk, $first, $last, $prop, $value ) = $matches;
+		#print "$first $last $prop $value\n";
+		if( !$last ) $last = $first;
+		for( $i = hexdec( $first ); $i <= hexdec( $last ); $i++) {
+			$char = codepointToUtf8( $i );
+			$checkNFC[$char] = $value;
+		}
+	}
+}
+fclose( $in );
+
+$in = fopen("CompositionExclusions.txt", "rt" );
+if( !$in ) {
+	print "Can't open CompositionExclusions.txt for reading.\n";
+	print "If necessary, fetch this file from the internet:\n";
+	print "http://www.unicode.org/Public/UNIDATA/CompositionExclusions.txt\n";
+	exit(-1);
+}
+$exclude = array();
+while( false !== ($line = fgets( $in ) ) ) {
+	if( preg_match( '/^([0-9A-F]+)/i', $line, $matches ) ) {
+		$codepoint = $matches[1];
+		$source = codepointToUtf8( hexdec( $codepoint ) );
+		$exclude[$source] = true;
+	}
+}
+fclose($in);
+
+$in = fopen("UnicodeData.txt", "rt" );
+if( !$in ) {
+	print "Can't open UnicodeData.txt for reading.\n";
+	print "If necessary, fetch this file from the internet:\n";
+	print "http://www.unicode.org/Public/UNIDATA/UnicodeData.txt\n";
+	exit(-1);
+}
+
+$compatibilityDecomp = array();
+$canonicalDecomp = array();
+$canonicalComp = array();
+$combiningClass = array();
+$total = 0;
+$compat = 0;
+$canon = 0;
+
+print "Reading character definitions...\n";
+while( false !== ($line = fgets( $in ) ) ) {
+	$columns = split(';', $line);
+	$codepoint = $columns[0];
+	$name = $columns[1];
+	$canonicalCombiningClass = $columns[3];
+	$decompositionMapping = $columns[5];
+
+	$source = codepointToUtf8( hexdec( $codepoint ) );
+
+	if( $canonicalCombiningClass != 0 ) {
+		$combiningClass[$source] = intval( $canonicalCombiningClass );
+	}
+
+	if( $decompositionMapping === '' ) continue;
+	if( preg_match( '/^<(.+)> (.*)$/', $decompositionMapping, $matches ) ) {
+		# Compatibility decomposition
+		$canonical = false;
+		$decompositionMapping = $matches[2];
+		$compat++;
+	} else {
+		$canonical = true;
+		$canon++;
+	}
+	$total++;
+	$dest = hexSequenceToUtf8( $decompositionMapping );
+
+	$compatibilityDecomp[$source] = $dest;
+	if( $canonical ) {
+		$canonicalDecomp[$source] = $dest;
+		if( empty( $exclude[$source] ) ) {
+			$canonicalComp[$dest] = $source;
+		}
+	}
+	#print "$codepoint | $canonicalCombiningClasses | $decompositionMapping\n";
+}
+fclose( $in );
+
+print "Recursively expanding canonical mappings...\n";
+$changed = 42;
+$pass = 1;
+while( $changed > 0 ) {
+	print "pass $pass\n";
+	$changed = 0;
+	foreach( $canonicalDecomp as $source => $dest ) {
+		$newDest = preg_replace_callback(
+			'/([\xc0-\xff][\x80-\xbf]+)/',
+			'callbackCanonical',
+			$dest);
+		if( $newDest === $dest ) continue;
+		$changed++;
+		$canonicalDecomp[$source] = $newDest;
+	}
+	$pass++;
+}
+
+print "Recursively expanding compatibility mappings...\n";
+$changed = 42;
+$pass = 1;
+while( $changed > 0 ) {
+	print "pass $pass\n";
+	$changed = 0;
+	foreach( $compatibilityDecomp as $source => $dest ) {
+		$newDest = preg_replace_callback(
+			'/([\xc0-\xff][\x80-\xbf]+)/',
+			'callbackCompat',
+			$dest);
+		if( $newDest === $dest ) continue;
+		$changed++;
+		$compatibilityDecomp[$source] = $newDest;
+	}
+	$pass++;
+}
+
+print "$total decomposition mappings ($canon canonical, $compat compatibility)\n";
+
+$out = fopen("UtfNormalData.inc", "wt");
+if( $out ) {
+	$serCombining = escapeSingleString( serialize( $combiningClass ) );
+	$serComp = escapeSingleString( serialize( $canonicalComp ) );
+	$serCanon = escapeSingleString( serialize( $canonicalDecomp ) );
+	$serCheckNFC = escapeSingleString( serialize( $checkNFC ) );
+	$outdata = "<" . "?php
+/**
+ * This file was automatically generated -- do not edit!
+ * Run UtfNormalGenerate.php to create this file again (make clean && make)
+ * @package MediaWiki
+ */
+/** */
+global \$utfCombiningClass, \$utfCanonicalComp, \$utfCanonicalDecomp, \$utfCheckNFC;
+\$utfCombiningClass = unserialize( '$serCombining' );
+\$utfCanonicalComp = unserialize( '$serComp' );
+\$utfCanonicalDecomp = unserialize( '$serCanon' );
+\$utfCheckNFC = unserialize( '$serCheckNFC' );
+?" . ">\n";
+	fputs( $out, $outdata );
+	fclose( $out );
+	print "Wrote out UtfNormalData.inc\n";
+} else {
+	print "Can't create file UtfNormalData.inc\n";
+	exit(-1);
+}
+
+
+$out = fopen("UtfNormalDataK.inc", "wt");
+if( $out ) {
+	$serCompat = escapeSingleString( serialize( $compatibilityDecomp ) );
+	$outdata = "<" . "?php
+/**
+ * This file was automatically generated -- do not edit!
+ * Run UtfNormalGenerate.php to create this file again (make clean && make)
+ * @package MediaWiki
+ */
+/** */
+global \$utfCompatibilityDecomp;
+\$utfCompatibilityDecomp = unserialize( '$serCompat' );
+?" . ">\n";
+	fputs( $out, $outdata );
+	fclose( $out );
+	print "Wrote out UtfNormalDataK.inc\n";
+	exit(0);
+} else {
+	print "Can't create file UtfNormalDataK.inc\n";
+	exit(-1);
+}
+
+# ---------------
+
+function callbackCanonical( $matches ) {
+	global $canonicalDecomp;
+	if( isset( $canonicalDecomp[$matches[1]] ) ) {
+		return $canonicalDecomp[$matches[1]];
+	}
+	return $matches[1];
+}
+
+function callbackCompat( $matches ) {
+	global $compatibilityDecomp;
+	if( isset( $compatibilityDecomp[$matches[1]] ) ) {
+		return $compatibilityDecomp[$matches[1]];
+	}
+	return $matches[1];
+}
+
+?>
diff --git a/includes/normal/UtfNormalTest.php b/includes/normal/UtfNormalTest.php
new file mode 100644
index 00000000..6d95bf85
--- /dev/null
+++ b/includes/normal/UtfNormalTest.php
@@ -0,0 +1,249 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Implements the conformance test at:
+ * http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt
+ * @package UtfNormal
+ */
+
+/** */
+$verbose = true;
+#define( 'PRETTY_UTF8', true );
+
+if( defined( 'PRETTY_UTF8' ) ) {
+	function pretty( $string ) {
+		return preg_replace( '/([\x00-\xff])/e',
+			'sprintf("%02X", ord("$1"))',
+			$string );
+	}
+} else {
+	/**
+	 * @ignore
+	 */
+	function pretty( $string ) {
+		return trim( preg_replace( '/(.)/use',
+			'sprintf("%04X ", utf8ToCodepoint("$1"))',
+			$string ) );
+	}
+}
+
+if( isset( $_SERVER['argv'] ) && in_array( '--icu', $_SERVER['argv'] ) ) {
+	dl( 'php_utfnormal.so' );
+}
+
+require_once 'UtfNormalUtil.php';
+require_once 'UtfNormal.php';
+
+if( php_sapi_name() != 'cli' ) {
+	die( "Run me from the command line please.\n" );
+}
+
+$in = fopen("NormalizationTest.txt", "rt");
+if( !$in ) {
+	print "Couldn't open NormalizationTest.txt -- can't run tests.\n";
+	print "If necessary, manually download this file. It can be obtained at\n";
+	print "http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt";
+	exit(-1);
+}
+
+$normalizer = new UtfNormal;
+
+$total = 0;
+$success = 0;
+$failure = 0;
+$ok = true;
+$testedChars = array();
+while( false !== ( $line = fgets( $in ) ) ) {
+	list( $data, $comment ) = explode( '#', $line );
+	if( $data === '' ) continue;
+	if( preg_match( '/@Part([\d])/', $data, $matches ) ) {
+		if( $matches[1] > 0 ) {
+			$ok = reportResults( $total, $success, $failure ) && $ok;
+		}
+		print "Part {$matches[1]}: $comment";
+		continue;
+	}
+
+	$columns = array_map( "hexSequenceToUtf8", explode( ";", $data ) );
+	array_unshift( $columns, '' );
+
+	$testedChars[$columns[1]] = true;
+	$total++;
+	if( testNormals( $normalizer, $columns, $comment ) ) {
+		$success++;
+	} else {
+		$failure++;
+		# print "FAILED: $comment";
+	}
+	if( $total % 100 == 0 ) print "$total ";
+}
+fclose( $in );
+
+$ok = reportResults( $total, $success, $failure ) && $ok;
+
+$in = fopen("UnicodeData.txt", "rt" );
+if( !$in ) {
+	print "Can't open UnicodeData.txt for reading.\n";
+	print "If necessary, fetch this file from the internet:\n";
+	print "http://www.unicode.org/Public/UNIDATA/UnicodeData.txt\n";
+	exit(-1);
+}
+print "Now testing invariants...\n";
+while( false !== ($line = fgets( $in ) ) ) {
+	$cols = explode( ';', $line );
+	$char = codepointToUtf8( hexdec( $cols[0] ) );
+	$desc = $cols[0] . ": " . $cols[1];
+	if( $char < "\x20" || $char >= UTF8_SURROGATE_FIRST && $char <= UTF8_SURROGATE_LAST ) {
+		# Can't check NULL with the ICU plugin, as null bytes fail in C land.
+		# Skip other control characters, as we strip them for XML safety.
+		# Surrogates are illegal on their own or in UTF-8, ignore.
+		continue;
+	}
+	if( empty( $testedChars[$char] ) ) {
+		$total++;
+		if( testInvariant( $normalizer, $char, $desc ) ) {
+			$success++;
+		} else {
+			$failure++;
+		}
+		if( $total % 100 == 0 ) print "$total ";
+	}
+}
+fclose( $in );
+
+$ok = reportResults( $total, $success, $failure ) && $ok;
+
+if( $ok ) {
+	print "TEST SUCCEEDED!\n";
+	exit(0);
+} else {
+	print "TEST FAILED!\n";
+	exit(-1);
+}
+
+## ------
+
+function reportResults( &$total, &$success, &$failure ) {
+	$percSucc = intval( $success * 100 / $total );
+	$percFail = intval( $failure * 100 / $total );
+	print "\n";
+	print "$success tests successful ($percSucc%)\n";
+	print "$failure tests failed ($percFail%)\n\n";
+	$ok = ($success > 0 && $failure == 0);
+	$total = 0;
+	$success = 0;
+	$failure = 0;
+	return $ok;
+}
+
+function testNormals( &$u, $c, $comment, $reportFailure = false ) {
+	$result = testNFC( $u, $c, $comment, $reportFailure );
+	$result = testNFD( $u, $c, $comment, $reportFailure ) && $result;
+	$result = testNFKC( $u, $c, $comment, $reportFailure ) && $result;
+	$result = testNFKD( $u, $c, $comment, $reportFailure ) && $result;
+	$result = testCleanUp( $u, $c, $comment, $reportFailure ) && $result;
+
+	global $verbose;
+	if( $verbose && !$result && !$reportFailure ) {
+		print $comment;
+		testNormals( $u, $c, $comment, true );
+	}
+	return $result;
+}
+
+function verbosify( $a, $b, $col, $form, $verbose ) {
+	#$result = ($a === $b);
+	$result = (strcmp( $a, $b ) == 0);
+	if( $verbose ) {
+		$aa = pretty( $a );
+		$bb = pretty( $b );
+		$ok = $result ? "succeed" : " failed";
+		$eq = $result ? "==" : "!=";
+		print "  $ok $form c$col '$aa' $eq '$bb'\n";
+	}
+	return $result;
+}
+
+function testNFC( &$u, $c, $comment, $verbose ) {
+	$result = verbosify( $c[2], $u->toNFC( $c[1] ), 1, 'NFC', $verbose );
+	$result = verbosify( $c[2], $u->toNFC( $c[2] ), 2, 'NFC', $verbose ) && $result;
+	$result = verbosify( $c[2], $u->toNFC( $c[3] ), 3, 'NFC', $verbose ) && $result;
+	$result = verbosify( $c[4], $u->toNFC( $c[4] ), 4, 'NFC', $verbose ) && $result;
+	$result = verbosify( $c[4], $u->toNFC( $c[5] ), 5, 'NFC', $verbose ) && $result;
+	return $result;
+}
+
+function testCleanUp( &$u, $c, $comment, $verbose ) {
+	$x = $c[1];
+	$result = verbosify( $c[2], $u->cleanUp( $x ), 1, 'cleanUp', $verbose );
+	$x = $c[2];
+	$result = verbosify( $c[2], $u->cleanUp( $x ), 2, 'cleanUp', $verbose ) && $result;
+	$x = $c[3];
+	$result = verbosify( $c[2], $u->cleanUp( $x ), 3, 'cleanUp', $verbose ) && $result;
+	$x = $c[4];
+	$result = verbosify( $c[4], $u->cleanUp( $x ), 4, 'cleanUp', $verbose ) && $result;
+	$x = $c[5];
+	$result = verbosify( $c[4], $u->cleanUp( $x ), 5, 'cleanUp', $verbose ) && $result;
+	return $result;
+}
+
+function testNFD( &$u, $c, $comment, $verbose ) {
+	$result = verbosify( $c[3], $u->toNFD( $c[1] ), 1, 'NFD', $verbose );
+	$result = verbosify( $c[3], $u->toNFD( $c[2] ), 2, 'NFD', $verbose ) && $result;
+	$result = verbosify( $c[3], $u->toNFD( $c[3] ), 3, 'NFD', $verbose ) && $result;
+	$result = verbosify( $c[5], $u->toNFD( $c[4] ), 4, 'NFD', $verbose ) && $result;
+	$result = verbosify( $c[5], $u->toNFD( $c[5] ), 5, 'NFD', $verbose ) && $result;
+	return $result;
+}
+
+function testNFKC( &$u, $c, $comment, $verbose ) {
+	$result = verbosify( $c[4], $u->toNFKC( $c[1] ), 1, 'NFKC', $verbose );
+	$result = verbosify( $c[4], $u->toNFKC( $c[2] ), 2, 'NFKC', $verbose ) && $result;
+	$result = verbosify( $c[4], $u->toNFKC( $c[3] ), 3, 'NFKC', $verbose ) && $result;
+	$result = verbosify( $c[4], $u->toNFKC( $c[4] ), 4, 'NFKC', $verbose ) && $result;
+	$result = verbosify( $c[4], $u->toNFKC( $c[5] ), 5, 'NFKC', $verbose ) && $result;
+	return $result;
+}
+
+function testNFKD( &$u, $c, $comment, $verbose ) {
+	$result = verbosify( $c[5], $u->toNFKD( $c[1] ), 1, 'NFKD', $verbose );
+	$result = verbosify( $c[5], $u->toNFKD( $c[2] ), 2, 'NFKD', $verbose ) && $result;
+	$result = verbosify( $c[5], $u->toNFKD( $c[3] ), 3, 'NFKD', $verbose ) && $result;
+	$result = verbosify( $c[5], $u->toNFKD( $c[4] ), 4, 'NFKD', $verbose ) && $result;
+	$result = verbosify( $c[5], $u->toNFKD( $c[5] ), 5, 'NFKD', $verbose ) && $result;
+	return $result;
+}
+
+function testInvariant( &$u, $char, $desc, $reportFailure = false ) {
+	$result = verbosify( $char, $u->toNFC( $char ), 1, 'NFC', $reportFailure );
+	$result = verbosify( $char, $u->toNFD( $char ), 1, 'NFD', $reportFailure ) && $result;
+	$result = verbosify( $char, $u->toNFKC( $char ), 1, 'NFKC', $reportFailure ) && $result;
+	$result = verbosify( $char, $u->toNFKD( $char ), 1, 'NFKD', $reportFailure ) && $result;
+	$c = $char;
+	$result = verbosify( $char, $u->cleanUp( $char ), 1, 'cleanUp', $reportFailure ) && $result;
+	global $verbose;
+	if( $verbose && !$result && !$reportFailure ) {
+		print $desc;
+		testInvariant( $u, $char, $desc, true );
+	}
+	return $result;
+}
+
+?>
diff --git a/includes/normal/UtfNormalUtil.php b/includes/normal/UtfNormalUtil.php
new file mode 100644
index 00000000..94224e3d
--- /dev/null
+++ b/includes/normal/UtfNormalUtil.php
@@ -0,0 +1,142 @@
+<?php
+# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Some of these functions are adapted from places in MediaWiki.
+ * Should probably merge them for consistency.
+ *
+ * @package UtfNormal
+ * @public
+ */
+
+/** */
+
+/**
+ * Return UTF-8 sequence for a given Unicode code point.
+ * May die if fed out of range data.
+ *
+ * @param $codepoint Integer:
+ * @return String
+ * @public
+ */
+function codepointToUtf8( $codepoint ) {
+	if($codepoint <		0x80) return chr($codepoint);
+	if($codepoint <    0x800) return chr($codepoint >>	6 & 0x3f | 0xc0) .
+									 chr($codepoint		  & 0x3f | 0x80);
+	if($codepoint <  0x10000) return chr($codepoint >> 12 & 0x0f | 0xe0) .
+									 chr($codepoint >>	6 & 0x3f | 0x80) .
+									 chr($codepoint		  & 0x3f | 0x80);
+	if($codepoint < 0x110000) return chr($codepoint >> 18 & 0x07 | 0xf0) .
+									 chr($codepoint >> 12 & 0x3f | 0x80) .
+									 chr($codepoint >>	6 & 0x3f | 0x80) .
+									 chr($codepoint		  & 0x3f | 0x80);
+
+	echo "Asked for code outside of range ($codepoint)\n";
+	die( -1 );
+}
+
+/**
+ * Take a series of space-separated hexadecimal numbers representing
+ * Unicode code points and return a UTF-8 string composed of those
+ * characters. Used by UTF-8 data generation and testing routines.
+ *
+ * @param $sequence String
+ * @return String
+ * @private
+ */
+function hexSequenceToUtf8( $sequence ) {
+	$utf = '';
+	foreach( explode( ' ', $sequence ) as $hex ) {
+		$n = hexdec( $hex );
+		$utf .= codepointToUtf8( $n );
+	}
+	return $utf;
+}
+
+/**
+ * Take a UTF-8 string and return a space-separated series of hex
+ * numbers representing Unicode code points. For debugging.
+ *
+ * @param $str String: UTF-8 string.
+ * @return string
+ * @private
+ */
+function utf8ToHexSequence( $str ) {
+	return rtrim( preg_replace( '/(.)/uSe',
+	                            'sprintf("%04x ", utf8ToCodepoint("$1"))',
+	                            $str ) );
+}
+
+/**
+ * Determine the Unicode codepoint of a single-character UTF-8 sequence.
+ * Does not check for invalid input data.
+ *
+ * @param $char String
+ * @return Integer
+ * @public
+ */
+function utf8ToCodepoint( $char ) {
+	# Find the length
+	$z = ord( $char{0} );
+	if ( $z & 0x80 ) {
+		$length = 0;
+		while ( $z & 0x80 ) {
+			$length++;
+			$z <<= 1;
+		}
+	} else {
+		$length = 1;
+	}
+
+	if ( $length != strlen( $char ) ) {
+		return false;
+	}
+	if ( $length == 1 ) {
+		return ord( $char );
+	}
+
+	# Mask off the length-determining bits and shift back to the original location
+	$z &= 0xff;
+	$z >>= $length;
+
+	# Add in the free bits from subsequent bytes
+	for ( $i=1; $i<$length; $i++ ) {
+		$z <<= 6;
+		$z |= ord( $char{$i} ) & 0x3f;
+	}
+
+	return $z;
+}
+
+/**
+ * Escape a string for inclusion in a PHP single-quoted string literal.
+ *
+ * @param $string String: string to be escaped.
+ * @return String: escaped string.
+ * @public
+ */
+function escapeSingleString( $string ) {
+	return strtr( $string,
+		array(
+			'\\' => '\\\\',
+			'\'' => '\\\''
+		));
+}
+
+?>
diff --git a/includes/proxy_check.php b/includes/proxy_check.php
new file mode 100644
index 00000000..fb7fdb50
--- /dev/null
+++ b/includes/proxy_check.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * Command line script to check for an open proxy at a specified location
+ * @package MediaWiki
+ */
+
+if( php_sapi_name() != 'cli' ) {
+	die( 1 );
+}
+
+/**
+ *
+ */
+$output = '';
+
+/**
+ * Exit if there are not enough parameters, or if it's not command line mode
+ */
+if ( ( isset( $_REQUEST ) && array_key_exists( 'argv', $_REQUEST ) ) || count( $argv ) < 4 ) {
+	$output .= "Incorrect parameters\n";
+} else {
+	/**
+	 * Get parameters
+	 */
+	$ip = $argv[1];
+	$port = $argv[2];
+	$url = $argv[3];
+	$host = trim(`hostname`);
+	$output = "Connecting to $ip:$port, target $url, this hostname $host\n";
+
+	# Open socket
+	$sock = @fsockopen($ip, $port, $errno, $errstr, 5);
+	if ($errno == 0 ) {
+		$output .= "Connected\n";
+		# Send payload
+		$request = "GET $url HTTP/1.0\r\n";
+#		$request .= "Proxy-Connection: Keep-Alive\r\n";
+#		$request .= "Pragma: no-cache\r\n";
+#		$request .= "Host: ".$url."\r\n";
+#		$request .= "User-Agent: MediaWiki open proxy check\r\n";
+		$request .= "\r\n";
+		@fputs($sock, $request);
+		$response = fgets($sock, 65536);
+		$output .= $response;
+		@fclose($sock);
+	} else {
+		$output .= "No connection\n";
+	}
+}
+
+$output = escapeshellarg( $output );
+
+#`echo $output >> /home/tstarling/open/proxy.log`;
+
+?>
diff --git a/includes/templates/Userlogin.php b/includes/templates/Userlogin.php
new file mode 100644
index 00000000..66368669
--- /dev/null
+++ b/includes/templates/Userlogin.php
@@ -0,0 +1,215 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage Templates
+ */
+if( !defined( 'MEDIAWIKI' ) ) die( -1 );
+
+/** */
+require_once( 'includes/SkinTemplate.php' );
+
+/**
+ * HTML template for Special:Userlogin form
+ * @package MediaWiki
+ * @subpackage Templates
+ */
+class UserloginTemplate extends QuickTemplate {
+	function execute() {
+		if( $this->data['message'] ) {
+?>
+	<div class="<?php $this->text('messagetype') ?>box">
+		<?php if ( $this->data['messagetype'] == 'error' ) { ?>
+			<h2><?php $this->msg('loginerror') ?>:</h2>
+		<?php } ?>
+		<?php $this->html('message') ?>
+	</div>
+	<div class="visualClear"></div>
+<?php } ?>
+
+<div id="userloginForm">
+<form name="userlogin" method="post" action="<?php $this->text('action') ?>">
+	<h2><?php $this->msg('login') ?></h2>
+	<p id="userloginlink"><?php $this->html('link') ?></p>
+	<div id="userloginprompt"><?php  $this->msgWiki('loginprompt') ?></div>
+	<?php if( @$this->haveData( 'languages' ) ) { ?><div id="languagelinks"><p><?php $this->html( 'languages' ); ?></p></div><?php } ?>
+	<table>
+		<tr>
+			<td align='right'><label for='wpName1'><?php $this->msg('yourname') ?>:</label></td>
+			<td align='left'>
+				<input type='text' class='loginText' name="wpName" id="wpName1"
+					value="<?php $this->text('name') ?>" size='20' />
+			</td>
+		</tr>
+		<tr>
+			<td align='right'><label for='wpPassword1'><?php $this->msg('yourpassword') ?>:</label></td>
+			<td align='left'>
+				<input type='password' class='loginPassword' name="wpPassword" id="wpPassword1"
+					value="<?php $this->text('password') ?>" size='20' />
+			</td>
+		</tr>
+	<?php if( $this->data['usedomain'] ) {
+		$doms = "";
+		foreach( $this->data['domainnames'] as $dom ) {
+			$doms .= "<option>" . htmlspecialchars( $dom ) . "</option>";
+		}
+	?>
+		<tr>
+			<td align='right'><?php $this->msg( 'yourdomainname' ) ?>:</td>
+			<td align='left'>
+				<select name="wpDomain" value="<?php $this->text( 'domain' ) ?>">
+					<?php echo $doms ?>
+				</select>
+			</td>
+		</tr>
+	<?php } ?>
+		<tr>
+			<td></td>
+			<td align='left'>
+				<input type='checkbox' name="wpRemember"
+					value="1" id="wpRemember"
+					<?php if( $this->data['remember'] ) { ?>checked="checked"<?php } ?>
+					/> <label for="wpRemember"><?php $this->msg('remembermypassword') ?></label>
+			</td>
+		</tr>
+		<tr>
+			<td></td>
+			<td align='left' style="white-space:nowrap">
+				<input type='submit' name="wpLoginattempt" id="wpLoginattempt" value="<?php $this->msg('login') ?>" />&nbsp;<?php if( $this->data['useemail'] ) { ?><input type='submit' name="wpMailmypassword" id="wpMailmypassword"
+									value="<?php $this->msg('mailmypassword') ?>" />
+				<?php } ?>
+			</td>
+		</tr>
+	</table>
+<?php if( @$this->haveData( 'uselang' ) ) { ?><input type="hidden" name="uselang" value="<?php $this->text( 'uselang' ); ?>" /><?php } ?>
+</form>
+</div>
+<div id="loginend"><?php $this->msgWiki( 'loginend' ); ?></div>
+<?php
+
+	}
+}
+
+class UsercreateTemplate extends QuickTemplate {
+	function execute() {
+		if( $this->data['message'] ) {
+?>
+	<div class="<?php $this->text('messagetype') ?>box">
+		<?php if ( $this->data['messagetype'] == 'error' ) { ?>
+			<h2><?php $this->msg('loginerror') ?>:</h2>
+		<?php } ?>
+		<?php $this->html('message') ?>
+	</div>
+	<div class="visualClear"></div>
+<?php } ?>
+<div id="userlogin">
+
+<form name="userlogin2" id="userlogin2" method="post" action="<?php $this->text('action') ?>">
+	<h2><?php $this->msg('createaccount') ?></h2>
+	<p id="userloginlink"><?php $this->html('link') ?></p>
+	<?php $this->html('header'); /* pre-table point for form plugins... */ ?>
+	<?php if( @$this->haveData( 'languages' ) ) { ?><div id="languagelinks"><p><?php $this->html( 'languages' ); ?></p></div><?php } ?>
+	<table>
+		<tr>
+			<td align='right'><label for='wpName2'><?php $this->msg('yourname') ?>:</label></td>
+			<td align='left'>
+				<input type='text' class='loginText' name="wpName" id="wpName2"
+					value="<?php $this->text('name') ?>" size='20' />
+			</td>
+		</tr>
+		<tr>
+			<td align='right'><label for='wpPassword2'><?php $this->msg('yourpassword') ?>:</label></td>
+			<td align='left'>
+				<input type='password' class='loginPassword' name="wpPassword" id="wpPassword2"
+					value="<?php $this->text('password') ?>" size='20' />
+			</td>
+		</tr>
+	<?php if( $this->data['usedomain'] ) {
+		$doms = "";
+		foreach( $this->data['domainnames'] as $dom ) {
+			$doms .= "<option>" . htmlspecialchars( $dom ) . "</option>";
+		}
+	?>
+		<tr>
+			<td align='right'><?php $this->msg( 'yourdomainname' ) ?>:</td>
+			<td align='left'>
+				<select name="wpDomain" value="<?php $this->text( 'domain' ) ?>">
+					<?php echo $doms ?>
+				</select>
+			</td>
+		</tr>
+	<?php } ?>
+		<tr>
+			<td align='right'><label for='wpRetype'><?php $this->msg('yourpasswordagain') ?>:</label></td>
+			<td align='left'>
+				<input type='password' class='loginPassword' name="wpRetype" id="wpRetype"
+					value="<?php $this->text('retype') ?>"
+					size='20' />
+			</td>
+		</tr>
+		<tr>
+			<?php if( $this->data['useemail'] ) { ?>
+				<td align='right'><label for='wpEmail'><?php $this->msg('youremail') ?>:</label></td>
+				<td align='left'>
+					<input type='text' class='loginText' name="wpEmail" id="wpEmail"
+						value="<?php $this->text('email') ?>" size='20' />
+				</td>
+			<?php } ?>
+			<?php if( $this->data['userealname'] ) { ?>
+				</tr>
+				<tr>
+					<td align='right'><label for='wpRealName'><?php $this->msg('yourrealname') ?>:</label></td>
+					<td align='left'>
+						<input type='text' class='loginText' name="wpRealName" id="wpRealName"
+							value="<?php $this->text('realname') ?>" size='20' />
+					</td>
+			<?php } ?>
+		</tr>
+		<tr>
+			<td></td>
+			<td align='left'>
+				<input type='checkbox' name="wpRemember"
+					value="1" id="wpRemember"
+					<?php if( $this->data['remember'] ) { ?>checked="checked"<?php } ?>
+					/> <label for="wpRemember"><?php $this->msg('remembermypassword') ?></label>
+			</td>
+		</tr>
+		<tr>
+			<td></td>
+			<td align='left'>
+				<input type='submit' name="wpCreateaccount" id="wpCreateaccount"
+					value="<?php $this->msg('createaccount') ?>" />
+				<?php if( $this->data['createemail'] ) { ?>
+				<input type='submit' name="wpCreateaccountMail" id="wpCreateaccountMail"
+					value="<?php $this->msg('createaccountmail') ?>" />
+				<?php } ?>
+			</td>
+		</tr>
+	</table>
+	<?php
+
+		if ($this->data['userealname'] || $this->data['useemail']) {
+			echo '<div id="login-sectiontip">';
+			if ( $this->data['useemail'] ) {
+				echo '<div>';
+				$this->msgHtml('prefs-help-email');
+				echo '</div>';
+			}
+			if ( $this->data['userealname'] ) {
+				echo '<div>';
+				$this->msgHtml('prefs-help-realname');
+				echo '</div>';
+			}
+			echo '</div>';
+		}
+
+	?>
+<?php if( @$this->haveData( 'uselang' ) ) { ?><input type="hidden" name="uselang" value="<?php $this->text( 'uselang' ); ?>" /><?php } ?>
+</form>
+</div>
+<div id="signupend"><?php $this->msgWiki( 'signupend' ); ?></div>
+<?php
+
+	}
+}
+
+?>
diff --git a/includes/zhtable/Makefile b/includes/zhtable/Makefile
new file mode 100644
index 00000000..30679fbb
--- /dev/null
+++ b/includes/zhtable/Makefile
@@ -0,0 +1,268 @@
+#
+# Creating the file ZhConversion.php used for Simplified/Traditional
+# Chinese conversion. It gets the basic conversion table from the Unihan 
+# database, and construct the phrase tables using phrase libraries in
+# the SCIM packages and the libtabe package. There are also special
+# tables used to for adjustment. 
+#
+
+GREP = LANG=zh_CN.UTF8 grep
+SED = LANG=zh_CN.UTF8 sed
+DIFF = LANG=zh_CN.UTF8 diff
+CC ?= gcc
+
+#installation directory
+INSTDIR = /usr/local/share/zhdaemons/
+
+all: ZhConversion.php tradphrases.notsure simpphrases.notsure wordlist toCN.dict toTW.dict toHK.dict toSG.dict
+
+Unihan.txt:
+	wget -nc ftp://ftp.unicode.org/Public/UNIDATA/Unihan.zip
+	unzip -q Unihan.zip
+
+EZ.txt.in:
+	wget -nc http://easynews.dl.sourceforge.net/sourceforge/scim/scim-tables-0.5.1.tar.gz
+	tar -xzf scim-tables-0.5.1.tar.gz -O scim-tables-0.5.1/zh/EZ.txt.in > EZ.txt.in
+
+phrase_lib.txt:
+	wget -nc http://easynews.dl.sourceforge.net/sourceforge/scim/scim-pinyin-0.5.0.tar.gz
+	tar -xzf scim-pinyin-0.5.0.tar.gz -O scim-pinyin-0.5.0/data/phrase_lib.txt > phrase_lib.txt
+
+tsi.src:
+	wget -nc http://unc.dl.sourceforge.net/sourceforge/libtabe/libtabe-0.2.3.tgz	
+	tar -xzf libtabe-0.2.3.tgz -O libtabe/tsi-src/tsi.src > tsi.src
+
+wordlist: phrase_lib.txt EZ.txt.in tsi.src
+	iconv -c -f big5 -t utf8 tsi.src | $(SED) 's/# //g' | $(SED) 's/[ ][0-9].*//' > wordlist
+	$(SED) 's/\(.*\)\t[0-9][0-9]*.*/\1/' phrase_lib.txt | $(SED) '1,5d' >>wordlist
+	$(SED) '1,/BEGIN_TABLE/d' EZ.txt.in | colrm 1 8 | $(SED) 's/\t.*//' | $(GREP) "^...*" >> wordlist
+	sort wordlist | uniq | $(SED) 's/ //g' > t
+	mv t wordlist
+
+printutf8: printutf8.c
+	$(CC) -o printutf8 printutf8.c
+
+unihan.t2s.t: Unihan.txt printutf8
+	$(GREP) kSimplifiedVariant Unihan.txt | $(SED)  '/#/d' | $(SED)  's/kSimplifiedVariant//' | ./printutf8 > unihan.t2s.t
+
+trad2simp.t: trad2simp.manual unihan.t2s.t
+	cp unihan.t2s.t tmp1
+	for I in `colrm 11 < trad2simp.manual` ; do $(SED) "/^$$I/d" tmp1 > tmp2; mv tmp2 tmp1; done
+	cat trad2simp.manual tmp1 > trad2simp.t
+
+unihan.s2t.t: Unihan.txt printutf8
+	$(GREP) kTraditionalVariant Unihan.txt | $(SED)  '/#/d' | $(SED)  's/kTraditionalVariant//' | ./printutf8 > unihan.s2t.t
+
+simp2trad.t: unihan.s2t.t simp2trad.manual
+	cp unihan.s2t.t tmp1
+	for I in `colrm 11 < simp2trad.manual` ; do $(SED) "/^$$I/d" tmp1 > tmp2; mv tmp2 tmp1; done
+	cat simp2trad.manual tmp1 > simp2trad.t
+
+t2s_1tomany.t: trad2simp.t
+	$(GREP) -s ".\{19,\}" trad2simp.t | $(SED)  's/U+...../"/' | $(SED)  's/|U+...../"=>"/' | $(SED)  's/|U+.....//g' | $(SED)  's/|/",/'  > t2s_1tomany.t
+
+t2s_1to1.t: trad2simp.t s2t_1tomany.t
+	$(SED)  "/.*|.*|.*|.*/d" trad2simp.t | $(SED)  's/U+[0-9a-z][0-9a-z]*/"/' | $(SED)  's/|U+[0-9a-z][0-9a-z]*/"=>"/' | $(SED)  's/|/",/' > t2s_1to1.t
+	$(GREP)  '"."=>"..",' s2t_1tomany.t | $(SED) 's/\("."\)=>".\(.\)",/"\2"=>\1,/' >> t2s_1to1.t
+	$(GREP)  '"."=>"...",' s2t_1tomany.t | $(SED) 's/\("."\)=>".\(.\).",/"\2"=>\1,/' >> t2s_1to1.t
+	$(GREP)  '"."=>"...",' s2t_1tomany.t | $(SED) 's/\("."\)=>"..\(.\)",/"\2"=>\1,/' >> t2s_1to1.t
+	$(GREP)  '"."=>"....",' s2t_1tomany.t | $(SED) 's/\("."\)=>".\(.\)..",/"\2"=>\1,/' >> t2s_1to1.t
+	$(GREP)  '"."=>"....",' s2t_1tomany.t | $(SED) 's/\("."\)=>"..\(.\).",/"\2"=>\1,/' >> t2s_1to1.t
+	$(GREP)  '"."=>"....",' s2t_1tomany.t | $(SED) 's/\("."\)=>"...\(.\)",/"\2"=>\1,/' >> t2s_1to1.t
+	sort t2s_1to1.t | uniq > t
+	mv t t2s_1to1.t
+
+
+s2t_1tomany.t: simp2trad.t
+	$(GREP) -s ".\{19,\}" simp2trad.t | $(SED)  's/U+...../"/' | $(SED)  's/|U+...../"=>"/' | $(SED)  's/|U+.....//g' | $(SED)  's/|/",/' > s2t_1tomany.t
+
+s2t_1to1.t: simp2trad.t t2s_1tomany.t
+	$(SED)  "/.*|.*|.*|.*/d" simp2trad.t | $(SED)  's/U+[0-9a-z][0-9a-z]*/"/' | $(SED)  's/|U+[0-9a-z][0-9a-z]*/"=>"/' | $(SED)  's/|/",/' > s2t_1to1.t
+	$(GREP)  '"."=>"..",' t2s_1tomany.t | $(SED) 's/\("."\)=>".\(.\)",/"\2"=>\1,/' >> s2t_1to1.t
+	$(GREP)  '"."=>"...",' t2s_1tomany.t | $(SED) 's/\("."\)=>".\(.\).",/"\2"=>\1,/' >> s2t_1to1.t
+	$(GREP)  '"."=>"...",' t2s_1tomany.t | $(SED) 's/\("."\)=>"..\(.\)",/"\2"=>\1,/' >> s2t_1to1.t
+	$(GREP)  '"."=>"....",' t2s_1tomany.t | $(SED) 's/\("."\)=>".\(.\)..",/"\2"=>\1,/' >> s2t_1to1.t
+	$(GREP)  '"."=>"....",' t2s_1tomany.t | $(SED) 's/\("."\)=>"..\(.\).",/"\2"=>\1,/' >> s2t_1to1.t
+	$(GREP)  '"."=>"....",' t2s_1tomany.t | $(SED) 's/\("."\)=>"...\(.\)",/"\2"=>\1,/' >> s2t_1to1.t
+	sort s2t_1to1.t | uniq > t
+	mv t s2t_1to1.t
+
+tphrase.t: EZ.txt.in tsi.src
+	colrm 1 8 < EZ.txt.in | $(SED) 's/\t//g' | $(GREP) "^.\{2,4\}[0-9]" | $(SED) 's/[0-9]//g' > t
+	iconv -c -f big5 -t utf8 tsi.src | $(SED) 's/ [0-9].*//g' | $(SED) 's/[# ]//g'| $(GREP) "^.\{2,4\}"  >> t
+	sort t | uniq > tphrase.t
+
+alltradphrases.t: tphrase.t s2t_1tomany.t 
+	for i in `cat s2t_1tomany.t | $(SED) 's/.*=>".//' | $(SED) 's/"//g' |$(SED) 's/,/\n/' | $(SED) 's/\(.\)/\1\n/g' |sort | uniq`; do $(GREP) -s $$i tphrase.t ; done  > alltradphrases.t || true
+
+
+tradphrases_2.t: alltradphrases.t
+	cat alltradphrases.t | $(GREP)  "^..$$" | sort | uniq > tradphrases_2.t
+
+tradphrases_3.t: alltradphrases.t
+	cat alltradphrases.t | $(GREP)  "^...$$" | sort | uniq > tradphrases_3.t
+	for i in `cat tradphrases_2.t`; do $(GREP) $$i tradphrases_3.t ; done | sort | uniq > t3 || true
+	$(DIFF) t3 tradphrases_3.t | $(GREP) ">" | $(SED) 's/> //' > t
+	mv t tradphrases_3.t
+
+
+tradphrases_4.t: alltradphrases.t
+	cat alltradphrases.t | $(GREP)  "^....$$" | sort | uniq > tradphrases_4.t
+	for i in `cat tradphrases_2.t`; do $(GREP) $$i tradphrases_4.t ; done | sort | uniq > t3 || true
+	$(DIFF) t3 tradphrases_4.t | $(GREP) ">" | $(SED) 's/> //' > t
+	mv t tradphrases_4.t
+	for i in `cat tradphrases_3.t`; do $(GREP) $$i tradphrases_4.t ; done | sort | uniq > t3 || true
+	$(DIFF) t3 tradphrases_4.t | $(GREP) ">" | $(SED) 's/> //' > t
+	mv t tradphrases_4.t
+
+tradphrases.t: tradphrases.manual tradphrases_2.t tradphrases_3.t tradphrases_4.t t2s_1tomany.t
+	cat tradphrases.manual tradphrases_2.t tradphrases_3.t tradphrases_4.t |sort | uniq > tradphrases.t
+	for i in `$(SED) 's/"\(.\).*/\1/' t2s_1tomany.t ` ; do $(GREP) $$i tradphrases.t ; done | $(DIFF) tradphrases.t - | $(GREP) '<' | $(SED) 's/< //' > t
+	mv t tradphrases.t
+
+tradphrases.notsure: tradphrases_2.t tradphrases_3.t tradphrases_4.t t2s_1tomany.t
+	cat tradphrases_2.t tradphrases_3.t tradphrases_4.t |sort | uniq > t
+	for i in `$(SED) 's/"\(.\).*/\1/' t2s_1tomany.t ` ; do $(GREP) $$i t; done | $(DIFF) t - | $(GREP) '>' | $(SED) 's/> //' > tradphrases.notsure
+
+
+ph.t: phrase_lib.txt
+	$(SED) 's/[\t0-9a-zA-Z]//g' phrase_lib.txt | $(GREP) "^.\{2,4\}$$" > ph.t
+
+allsimpphrases.t: ph.t
+	rm -f allsimpphrases.t
+	for i in `cat t2s_1tomany.t | $(SED) 's/.*=>".//' | $(SED) 's/"//g' | $(SED) 's/,/\n/' | $(SED) 's/\(.\)/\1\n/g' | sort | uniq `; do $(GREP) $$i ph.t >> allsimpphrases.t; done
+
+simpphrases_2.t: allsimpphrases.t
+	cat allsimpphrases.t | $(GREP) "^..$$" | sort | uniq > simpphrases_2.t
+
+simpphrases_3.t: allsimpphrases.t
+	cat allsimpphrases.t | $(GREP) "^...$$" | sort | uniq > simpphrases_3.t
+	for i in `cat simpphrases_2.t`; do $(GREP) $$i simpphrases_3.t ; done | sort | uniq > t3 || true
+	$(DIFF) t3 simpphrases_3.t | $(GREP) ">" | $(SED) 's/> //' > t
+	mv t simpphrases_3.t
+
+simpphrases_4.t: allsimpphrases.t
+	cat allsimpphrases.t | $(GREP) "^....$$" | sort | uniq > simpphrases_4.t
+	rm -f t
+	for i in `cat simpphrases_2.t`; do $(GREP) $$i simpphrases_4.t >> t; done || true
+	sort t | uniq > t3
+	$(DIFF) t3 simpphrases_4.t | $(GREP) ">" | $(SED) 's/> //' > t
+	mv t simpphrases_4.t
+	for i in `cat simpphrases_3.t`; do $(GREP) $$i simpphrases_4.t; done | sort  | uniq > t3 || true
+	$(DIFF) t3 simpphrases_4.t | $(GREP) ">" | $(SED) 's/> //' > t
+	mv t simpphrases_4.t
+
+simpphrases.t:simpphrases_2.t simpphrases_3.t simpphrases_4.t t2s_1tomany.t
+	cat simpphrases_2.t simpphrases_3.t simpphrases_4.t > simpphrases.t
+	for i in `$(SED) 's/"\(.\).*/\1/' t2s_1tomany.t ` ; do $(GREP) $$i simpphrases.t ; done | $(DIFF) simpphrases.t - | $(GREP) '<' | $(SED) 's/< //' > t
+	mv t simpphrases.t
+
+
+simpphrases.notsure:simpphrases_2.t simpphrases_3.t simpphrases_4.t t2s_1tomany.t
+	cat simpphrases_2.t simpphrases_3.t simpphrases_4.t > t
+	for i in `$(SED) 's/"\(.\).*/\1/' t2s_1tomany.t ` ; do $(GREP) $$i t ; done | $(DIFF) t - | $(GREP) '>' | $(SED) 's/> //' > simpphrases.notsure
+
+trad2simp1to1.t: t2s_1tomany.t t2s_1to1.t
+	$(SED)  's/\(.......\).*/\1",/' t2s_1tomany.t > trad2simp1to1.t
+	cat t2s_1to1.t >> trad2simp1to1.t
+
+simp2trad1to1.t: s2t_1tomany.t s2t_1to1.t
+	$(SED)  's/\(.......\).*/\1",/' s2t_1tomany.t > simp2trad1to1.t
+	cat s2t_1to1.t >> simp2trad1to1.t
+
+trad2simp.php: trad2simp1to1.t tradphrases.t
+	printf '<?php\n$$trad2simp=array(' > trad2simp.php
+	cat trad2simp1to1.t >> trad2simp.php
+	printf ');\n$$str=\n"' >> trad2simp.php
+	cat tradphrases.t >> trad2simp.php
+	printf '";\n$$t=strtr($$str, $$trad2simp);\necho $$t;\n?>' >> trad2simp.php
+
+simp2trad.php: simp2trad1to1.t simpphrases.t
+	printf '<?php\n$$simp2trad=array(' > simp2trad.php
+	cat simp2trad1to1.t >> simp2trad.php
+	printf ');\n$$str=\n"' >> simp2trad.php
+	cat simpphrases.t >> simp2trad.php
+	printf '";\n$$t=strtr($$str, $$simp2trad);\necho $$t;\n?>' >> simp2trad.php
+
+simp2trad.phrases.t: trad2simp.php tradphrases.t toTW.manual
+	php -f trad2simp.php | $(SED)  's/\(.*\)/"\1" => /' > tmp1
+	cat tradphrases.t | $(SED)  's/\(.*\)/"\1",/' > tmp2
+	paste tmp1 tmp2 > simp2trad.phrases.t
+	$(SED) 's/\(.*\)\t\(.*\)/"\1"=>"\2",/' toTW.manual >> simp2trad.phrases.t
+
+trad2simp.phrases.t: simp2trad.php simpphrases.t toCN.manual
+	php -f simp2trad.php | $(SED)  's/\(.*\)/"\1" => /' > tmp1
+	cat simpphrases.t | $(SED)  's/\(.*\)/"\1",/' > tmp2
+	paste tmp1 tmp2 > trad2simp.phrases.t
+	$(SED) 's/\(.*\)\t\(.*\)/"\1"=>"\2",/' toCN.manual >> trad2simp.phrases.t
+
+toCN.dict: trad2simp1to1.t trad2simp.phrases.t
+	cat trad2simp1to1.t | $(SED) 's/[, \t]//g' | $(SED) 's/=>/\t/' > toCN.dict
+	cat trad2simp.phrases.t | $(SED) 's/[, \t]//g' | $(SED) 's/=>/\t/' >> toCN.dict
+
+toTW.dict: simp2trad1to1.t simp2trad.phrases.t
+	cat simp2trad1to1.t | $(SED) 's/[, \t]//g' | $(SED) 's/=>/\t/' > toTW.dict
+	cat simp2trad.phrases.t | $(SED) 's/[, \t]//g' | $(SED) 's/=>/\t/' >> toTW.dict
+
+toHK.dict: toHK.manual
+	cat toHK.manual | $(SED) 's/ //g' | $(SED) 's/\(^.*\)\t\(.*\)/"\1"\t"\2"/' > toHK.dict
+
+toSG.dict: toSG.manual
+	cat toSG.manual | $(SED) 's/ //g' | $(SED) 's/\(^.*\)\t\(.*\)/"\1"\t"\2"/' > toSG.dict
+
+
+
+ZhConversion.php: simp2trad1to1.t simp2trad.phrases.t trad2simp1to1.t trad2simp.phrases.t toHK.manual toSG.manual
+	printf '<?php\n/**\n * Simplified/Traditional Chinese conversion tables\n' > ZhConversion.php
+	printf ' *\n * Automatically generated using code and data in includes/zhtable/\n' >> ZhConversion.php
+	printf ' * Do not modify directly! \n *\n * @package MediaWiki\n*/\n\n' >> ZhConversion.php
+	printf '$$zh2TW=array(\n' >> ZhConversion.php
+	cat simp2trad1to1.t >> ZhConversion.php
+	echo >> ZhConversion.php
+	cat simp2trad.phrases.t >> ZhConversion.php
+	echo >> ZhConversion.php
+	echo ');' >> ZhConversion.php
+	echo >> ZhConversion.php
+	echo >> ZhConversion.php
+	printf '$$zh2CN=array(\n' >> ZhConversion.php
+	cat trad2simp1to1.t >> ZhConversion.php
+	echo >> ZhConversion.php
+	cat trad2simp.phrases.t >> ZhConversion.php
+	echo >> ZhConversion.php
+	printf ');' >> ZhConversion.php
+	echo >> ZhConversion.php
+	echo >> ZhConversion.php
+	printf '$$zh2HK=array(\n' >> ZhConversion.php
+	$(SED) 's/\(.*\)\t\(.*\)/"\1" => "\2",/' toHK.manual >> ZhConversion.php
+	echo >> ZhConversion.php
+	printf ');' >> ZhConversion.php
+	echo >> ZhConversion.php
+	echo >> ZhConversion.php
+	printf '$$zh2SG=array(\n' >> ZhConversion.php
+	$(SED) 's/\(.*\)\t\(.*\)/"\1" => "\2",/' toSG.manual >> ZhConversion.php
+	echo >> ZhConversion.php
+	printf ');' >> ZhConversion.php
+	echo >> ZhConversion.php
+	printf '?>' >> ZhConversion.php
+
+
+clean: cleantmp cleandl
+
+cleantmp:
+	# Stuff unpacked from the files fetched by wget
+	rm -f \
+		Unihan.txt \
+		EZ.txt.in \
+		phrase_lib.txt \
+		tsi.src
+	# Temporary files and other trash
+	rm -f ZhConversion.php tmp1 tmp2 tmp3 t3 *.t trad2simp.php simp2trad.php *.dict printutf8 *~ \
+		simpphrases.notsure tradphrases.notsure wordlist
+
+cleandl:
+	rm -f \
+		Unihan.zip \
+		scim-tables-0.5.1.tar.gz \
+		scim-pinyin-0.5.0.tar.gz \
+		libtabe-0.2.3.tgz
+
diff --git a/includes/zhtable/README b/includes/zhtable/README
new file mode 100644
index 00000000..94dd341d
--- /dev/null
+++ b/includes/zhtable/README
@@ -0,0 +1,16 @@
+The various .manual files contains special mappings not included in the
+unihan database, and phrases not included in the SCIM package. 
+
+- simp2trad.manual: Simplified to Traditional character mapping. Most
+  data adapted from
+
+   冯寿忠,“非对称繁简字”对照表, 《语文建设通讯》1997-9第53期.
+   /http://www.yywzw.com/jt/feng/fengb01.htm
+
+- tradphrases.manual: Phrases in Traditional Chinese. A portition is obtained
+  from the TongWen package (http://tongwen.mozdev.org/)
+
+- toTW.manual, toCN.manual, toSG.manual and toHK.manual: special phrase
+  mappings. 
+
+zhengzhu at gmail.com
\ No newline at end of file
diff --git a/includes/zhtable/printutf8.c b/includes/zhtable/printutf8.c
new file mode 100644
index 00000000..b6ccf17c
--- /dev/null
+++ b/includes/zhtable/printutf8.c
@@ -0,0 +1,99 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+/* 
+ Unicode                   UTF8
+0x00000000 - 0x0000007F: 0xxxxxxx
+0x00000080 - 0x000007FF: 110xxx xx 10xx xxxx
+0x00000800 - 0x0000FFFF: 1110xxxx  10xxxx xx 10xx xxxx
+0x00010000 - 0x001FFFFF: 11110x xx 10xx xxxx 10xxxx xx 10xx xxxx
+0x00200000 - 0x03FFFFFF: 111110xx  10xxxx xx 10xx xxxx 10xxxx xx 10xx xxxx
+0x04000000 - 0x7FFFFFFF: 1111110x  10xx xxxx 10xxxx xx 10xx xxxx 10xxxx xx 10xx xxxx
+
+0000 0      1001 9
+0001 1      1010 A
+0010 2      1011 B
+0011 3      1100 C
+0100 4      1101 D 
+0101 5      1110 E
+0110 6      1111 F
+0111 7
+1000 8
+*/
+void printUTF8(long long u) {
+  long long m;
+  if(u<0x80) {
+    printf("%c", (unsigned char)u);
+  }
+  else if(u<0x800) {
+    m = ((u&0x7c0)>>6) | 0xc0;
+    printf("%c", (unsigned char)m);
+    m = (u&0x3f) | 0x80;
+    printf("%c", (unsigned char)m);
+  }
+  else if(u<0x10000) {
+    m = ((u&0xf000)>>12) | 0xe0;
+    printf("%c",(unsigned char)m);
+    m = ((u&0xfc0)>>6) | 0x80;
+    printf("%c",(unsigned char)m);
+    m = (u & 0x3f) | 0x80;
+    printf("%c",(unsigned char)m);
+  }
+  else if(u<0x200000) {
+    m = ((u&0x1c0000)>>18) | 0xf0;
+    printf("%c", (unsigned char)m);
+    m = ((u& 0x3f000)>>12) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = ((u& 0xfc0)>>6) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = (u&0x3f) | 0x80;
+    printf("%c", (unsigned char)m);
+  }
+  else if(u<0x4000000){
+    m = ((u&0x3000000)>>24) | 0xf8;
+    printf("%c", (unsigned char)m);
+    m = ((u&0xfc0000)>>18) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = ((u&0x3f000)>>12) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = ((u&0xfc00)>>6) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = (u&0x3f) | 0x80;
+    printf("%c", (unsigned char)m);
+  }
+  else {
+    m = ((u&0x40000000)>>30) | 0xfc;
+    printf("%c", (unsigned char)m);
+    m = ((u&0x3f000000)>>24) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = ((u&0xfc0000)>>18) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = ((u&0x3f000)>>12) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = ((u&0xfc0)>>6) | 0x80;
+    printf("%c", (unsigned char)m);
+    m = (u&0x3f)| 0x80;
+    printf("%c", (unsigned char)m);
+  }
+}
+
+int main() {
+  int i,j;
+  long long n1, n2;
+  unsigned char b1[15], b2[15];
+  unsigned char buf[1024];
+  i=0;
+  while(fgets(buf, 1024, stdin)) {
+    //    printf("read %s\n", buf);
+    for(i=0;i<strlen(buf); i++) 
+      if(buf[i]=='U') {
+	if(buf[i+1] == '+') {
+	  n1 = strtoll(buf+i+2,0,16);
+	  printf("U+%05x", n1);
+	  printUTF8(n1);printf("|");
+	}
+      }
+    printf("\n");
+  }
+}
+
diff --git a/includes/zhtable/simp2trad.manual b/includes/zhtable/simp2trad.manual
new file mode 100644
index 00000000..b5e1c3ae
--- /dev/null
+++ b/includes/zhtable/simp2trad.manual
@@ -0,0 +1,178 @@
+U+0753b画|U+0756b畫|U+07575畵|
+U+0677f板|U+0677f板|U+095c6闆|
+U+08868表|U+08868表|U+09336錶|
+U+0624d才|U+0624d才|U+07e94纔|
+U+04e11丑|U+0919c醜|U+04e11丑|
+U+051fa出|U+051fa出|U+09f63齣|
+U+06dc0淀|U+06fb1澱|U+06dc0淀|
+U+051ac冬|U+051ac冬|U+09f15鼕|
+U+08303范|U+07bc4範|U+08303范|
+U+04e30丰|U+08c50豐|U+04e30丰|
+U+0522e刮|U+0522e刮|U+098b3颳|
+U+0540e后|U+05f8c後|U+0540e后|
+U+080e1胡|U+080e1胡|U+09b0d鬍|U+0885a衚|
+U+056de回|U+056de回|U+08ff4迴|
+U+04f19伙|U+05925夥|U+04f19伙|
+U+059dc姜|U+08591薑|U+059dc姜|
+U+0501f借|U+0501f借|U+085c9藉|
+U+0514b克|U+0514b克|U+0524b剋|
+U+056f0困|U+056f0困|U+0774f睏|
+U+06f13漓|U+06f13漓|U+07055灕|
+U+091cc里|U+091cc里|U+088e1裡|U+088cf裏|
+U+05e18帘|U+07c3e簾|U+05e18帘|
+U+09709霉|U+09709霉|U+09ef4黴|
+U+09762面|U+09762面|U+09eb5麵|
+U+08511蔑|U+08511蔑|U+0884a衊|
+U+05343千|U+05343千|U+097c6韆|
+U+079cb秋|U+079cb秋|U+097a6鞦|
+U+0677e松|U+0677e松|U+09b06鬆|
+U+054b8咸|U+054b8咸|U+09e79鹹|
+U+05411向|U+05411向|U+056ae嚮|U+066cf曏|
+U+04f59余|U+09918餘|U+04f59余|
+U+090c1郁|U+09b31鬱|U+090c1郁|
+U+05fa1御|U+05fa1御|U+079a6禦|
+U+0613f愿|U+09858願|U+0613f愿|
+U+04e91云|U+096f2雲|U+04e91云|
+U+082b8芸|U+082b8芸|U+08553蕓|
+U+06c84沄|U+06c84沄|U+06f90澐|
+U+081f4致|U+081f4致|U+07dfb緻|
+U+05236制|U+05236制|U+088fd製|
+U+06731朱|U+06731朱|U+07843硃|
+U+07b51筑|U+07bc9築|U+07b51筑|
+U+051c6准|U+06e96準|U+051c6准|
+U+05382厂|U+05ee0廠|U+05382厂|
+U+05e7f广|U+05ee3廣|U+05e7f广|
+U+08f9f辟|U+095e2闢|U+08f9f辟|
+U+0522b别|U+05225別|U+05f46彆|
+U+0535c卜|U+0535c卜|U+08514蔔|
+U+06c88沈|U+06c88沈|U+0700b瀋|
+U+051b2冲|U+06c96沖|U+0885d衝|
+U+079cd种|U+07a2e種|U+079cd种|
+U+0866b虫|U+087f2蟲|U+0866b虫|
+U+062c5担|U+064d4擔|U+062c5担|
+U+0515a党|U+09ee8黨|U+0515a党|
+U+06597斗|U+09b25鬥|U+06597斗|
+U+0513f儿|U+05152兒|U+0513f儿|
+U+05e72干|U+04e7e乾|U+05e79幹|U+05e72干|U+069a6%G榦%@|
+U+08c37谷|U+08c37谷|U+07a40穀|
+U+067dc柜|U+06ac3櫃|U+067dc柜|
+U+05408合|U+05408合|U+095a4閤|
+U+05212划|U+05283劃|U+05212划|
+U+0574f坏|U+058de壞|U+0574f坏|
+U+051e0几|U+05e7e幾|U+051e0几|
+U+07cfb系|U+07cfb系|U+07e6b繫|U+04fc2係|
+U+05bb6家|U+05bb6家|U+050a2傢|
+U+04ef7价|U+050f9價|U+04ef7价|
+U+0636e据|U+064da據|U+0636e据|
+U+05377卷|U+06372捲|U+05377卷|
+U+09002适|U+09069適|U+09002适|
+U+08721蜡|U+0881f蠟|U+08721蜡|
+U+0814a腊|U+081d8臘|U+0814a腊|
+U+04e86了|U+04e86了|U+077ad瞭|
+U+07d2f累|U+07d2f累|U+07e8d纍|
+U+04e48么|U+09ebd麽|U+04e48么|U+05e7a幺|U+09ebc麼|
+U+08499蒙|U+08499蒙|U+077c7矇|U+06fdb濛|U+061de懞|
+U+04e07万|U+0842c萬|U+04e07万|
+U+05b81宁|U+05be7寧|U+05b81宁|
+U+06734朴|U+06a38樸|U+06734朴|
+U+082f9苹|U+0860b蘋|U+082f9苹|
+U+04ec6仆|U+050d5僕|U+04ec6仆|
+U+066f2曲|U+066f2曲|U+09eaf麯|
+U+0786e确|U+078ba確|U+0786e确|
+U+0820d舍|U+0820d舍|U+06368捨|
+U+080dc胜|U+052dd勝|U+080dc胜|
+U+0672f术|U+08853術|U+0672f术|U+0672e朮|
+U+053f0台|U+053f0台|U+081fa臺|U+06aaf檯|U+098b1颱|
+U+04f53体|U+09ad4體|U+04f53体|
+U+06d82涂|U+05857塗|U+06d82涂|
+U+053f6叶|U+08449葉|U+053f6叶|
+U+05401吁|U+05401吁|U+07c72籲|
+U+065cb旋|U+065cb旋|U+0955f镟|
+U+04f63佣|U+050ad傭|U+04f63佣|
+U+04e0e与|U+08207與|U+04e0e与|
+U+06298折|U+06298折|U+0647a摺|
+U+05f81征|U+05fb5徵|U+05f81征|
+U+075c7症|U+075c7症|U+07665癥|
+U+06076恶|U+060e1惡|U+05641噁|
+U+053d1发|U+0767c發|U+09aee髮|
+U+0590d复|U+05fa9復|U+08907複|U+08986覆|
+U+06c47汇|U+0532f匯|U+05f59彙|
+U+083b7获|U+07372獲|U+07a6b穫|
+U+09965饥|U+098e2飢|U+09951饑|
+U+05c3d尽|U+076e1盡|U+05118儘|
+U+05386历|U+06b77歷|U+066c6曆|
+U+05364卤|U+06ef7滷|U+09e75鹵|
+U+05f25弥|U+05f4c彌|U+07030瀰|
+U+07b7e签|U+07c3d簽|U+07c56籖|
+U+07ea4纤|U+07e96纖|U+07e34縴|
+U+082cf苏|U+08607蘇|U+056cc囌|
+U+0575b坛|U+058c7壇|U+07f48罈|
+U+056e2团|U+05718團|U+07cf0糰|
+U+0987b须|U+09808須|U+09b1a鬚|
+U+0810f脏|U+081df臟|U+09ad2髒|
+U+053ea只|U+053ea只|U+096bb隻|
+U+0949f钟|U+09418鐘|U+0937e鍾|
+U+0836f药|U+085e5藥|U+0846f葯|
+U+0540c同|U+0540c同|U+08855衕|
+U+05fd7志|U+05fd7志|U+08a8c誌|
+U+0676f杯|U+0676f杯|U+076c3盃|
+U+05cb3岳|U+05cb3岳|U+05dbd嶽|
+U+05e03布|U+05e03布|U+04f48佈|
+U+05f53当|U+07576當|U+05679噹|
+U+0540a吊|U+05f14弔|U+0540a吊|
+U+04ec7仇|U+04ec7仇|U+08b8e讎|
+U+08574蕴|U+0860a蘊|U+085f4藴|
+U+07ebf线|U+07dda線|U+07dab綫|
+U+04e3a为|U+070ba為|U+07232爲|
+U+04ea7产|U+07522產|U+07523産|
+U+04f17众|U+0773e眾|U+08846衆|
+U+04f2a伪|U+0507d偽|U+050de僞|
+U+051eb凫|U+09ce7鳧|U+09cec鳬|
+U+05395厕|U+05ec1廁|U+053a0厠|
+U+0542f启|U+0555f啟|U+05553啓|
+U+05899墙|U+07246牆|U+058bb墻|
+U+058f3壳|U+06bbc殼|U+06bbb殻|
+U+05956奖|U+0734e獎|U+0596c奬|
+U+059ab妫|U+05aaf媯|U+05b00嬀|
+U+05e76并|U+04e26並|U+04f75併|
+U+05f55录|U+09304錄|U+09332録|
+U+060ab悫|U+06128愨|U+06164慤|
+U+06781极|U+06975極|U+06781极|
+U+06ca9沩|U+06e88溈|U+06f59潙|
+U+07618瘘|U+0763a瘺|U+0763b瘻|
+U+07877硷|U+09e7c鹼|U+07906礆|
+U+07ad6竖|U+08c4e豎|U+07aea竪|
+U+07edd绝|U+07d55絕|U+07d76絶|
+U+07ee3绣|U+07e61繡|U+07d89綉|
+U+07ee6绦|U+07d5b絛|U+07e27縧|
+U+07ef1绱|U+07dd4緔|U+0979d鞝|
+U+07ef7绷|U+07db3綳|U+07e43繃|
+U+07eff绿|U+07da0綠|U+07dd1緑|
+U+07f30缰|U+097c1韁|U+07e6e繮|
+U+082e7苧|U+082ce苎|U+085b4薴|
+U+083bc莼|U+08493蒓|U+084f4蓴|
+U+08bf4说|U+08aaa說|U+08aac説|
+U+08c23谣|U+08b20謠|U+08b21謡|
+U+08c2b谫|U+08b7e譾|U+08b2d謭|
+U+08d43赃|U+08d13贓|U+08d1c贜|
+U+08d4d赍|U+09f4e齎|U+08ceb賫|
+U+08d5d赝|U+08d17贗|U+08d0b贋|
+U+0915d酝|U+0919e醞|U+09196醖|
+U+091c7采|U+063a1採|U+091c7采|U+057f0埰|
+U+094a9钩|U+09264鉤|U+0920e鈎|
+U+094b5钵|U+07f3d缽|U+09262鉢|
+U+09508锈|U+092b9銹|U+093fd鏽|
+U+09510锐|U+092b3銳|U+092ed鋭|
+U+09528锨|U+06774杴|U+09341鍁|
+U+0954c镌|U+0942b鐫|U+093b8鎸|
+U+09562镢|U+09481钁|U+0941d鐝|
+U+09605阅|U+095b1閱|U+095b2閲|
+U+09893颓|U+09839頹|U+0983d頽|
+U+0989c颜|U+0984f顏|U+09854顔|
+U+09980馀|U+09918餘|
+U+09a82骂|U+07f75罵|U+099e1駡|
+U+09c87鲇|U+09bf0鯰|U+09b8e鮎|
+U+09c9e鲞|U+09bd7鯗|U+09b9d鮝|
+U+09cc4鳄|U+09c77鱷|U+09c10鰐|
+U+09e21鸡|U+096de雞|U+09dc4鷄|
+U+09e5a鹚|U+09dbf鶿|U+09dc0鷀|
diff --git a/includes/zhtable/toCN.manual b/includes/zhtable/toCN.manual
new file mode 100644
index 00000000..caff9c14
--- /dev/null
+++ b/includes/zhtable/toCN.manual
@@ -0,0 +1,331 @@
+記憶體	内存
+預設	默认
+預設	缺省
+串列	串行
+乙太網	以太网
+點陣圖	位图
+常式	例程
+通道	信道
+游標	光标
+光碟	光盘
+光碟機	光驱
+全形	全角
+共用	共享
+相容	兼容
+首碼	前缀
+尾碼	后缀
+載入	加载
+半形	半角
+變數	变量
+雜訊	噪声
+因數	因子
+線上	在线
+離線	脱机
+功能變數名稱	域名
+音效卡	声卡
+字型大小	字号
+字型檔	字库
+欄位	字段
+字元	字符
+存檔	存盘
+定址	寻址
+章節附註	尾注
+非同步	异步
+匯流排	总线
+括弧	括号
+介面	接口
+控制項	控件
+許可權	权限
+碟片	盘片
+矽片	硅片
+矽谷	硅谷
+硬碟	硬盘
+磁碟	磁盘
+磁軌	磁道
+程式控制	程控
+埠	端口
+運算元	算子
+演算法	算法
+晶片	芯片
+晶元	芯片
+片語	词组
+解碼	译码
+軟碟機	软驱
+快閃記憶體	闪存
+滑鼠	鼠标
+進位	进制
+互動式	交互式
+模擬	仿真
+優先順序	优先级
+感測	传感
+攜帶型	便携式
+資訊理論	信息论
+迴圈	循环
+防寫	写保护
+分散式	分布式
+解析度	分辨率
+程式	程序
+伺服器	服务器
+等於	等于
+區域網	局域网
+上傳	上载
+電腦	计算机
+巨集	宏
+掃瞄器	扫瞄仪
+寬頻	宽带
+視窗	窗口
+資料庫	数据库
+西曆	公历
+乳酪	奶酪
+鉅賈	巨商
+手電筒	手电
+萬曆	万历
+永曆	永历
+辭彙	词汇
+保全	保安
+慣用	习用
+母音	元音
+自由球	任意球
+頭槌	头球
+進球	入球
+顆進球	粒入球
+射門	打门
+蓋火鍋	火锅盖帽
+印表機	打印机
+打印機	打印机
+位元組	字节
+字節	字节
+列印	打印
+打印	打印
+硬體	硬件
+二極體	二极管
+二極管	二极管
+三極體	三极管
+三極管	三极管
+數位	数码
+數碼	数码
+軟體	软件
+軟件	软件
+網路	网络
+網絡	网络
+人工智慧	人工智能
+太空梭	航天飞机
+穿梭機	航天飞机
+網際網路	因特网
+互聯網	因特网
+機械人	机器人
+機器人	机器人
+行動電話	移动电话
+流動電話	移动电话
+調制解調器	调制解调器
+數據機	调制解调器
+短訊	短信
+簡訊	短信
+烏茲別克	乌兹别克斯坦
+查德	乍得
+乍得	乍得
+也門	
+葉門	也门
+伯利茲	伯利兹
+貝里斯	伯利兹
+維德角	佛得角
+佛得角	佛得角
+克羅地亞	克罗地亚
+克羅埃西亞	克罗地亚
+岡比亞	冈比亚
+甘比亞	冈比亚
+幾內亞比紹	几内亚比绍
+幾內亞比索	几内亚比绍
+列支敦斯登	列支敦士登
+列支敦士登	列支敦士登
+利比里亞	利比里亚
+賴比瑞亞	利比里亚
+加納	加纳
+迦納	加纳
+加彭	加蓬
+加蓬	加蓬
+博茨瓦納	博茨瓦纳
+波札那	博茨瓦纳
+卡塔爾	卡塔尔
+卡達	卡塔尔
+盧旺達	卢旺达
+盧安達	卢旺达
+危地馬拉	危地马拉
+瓜地馬拉	危地马拉
+厄瓜多爾	厄瓜多尔
+厄瓜多	厄瓜多尔
+厄立特里亞	厄立特里亚
+厄利垂亞	厄立特里亚
+吉布堤	吉布提
+吉布地	吉布提
+哈薩克	哈萨克斯坦
+哥斯達黎加	哥斯达黎加
+哥斯大黎加	哥斯达黎加
+圖瓦盧	图瓦卢
+吐瓦魯	图瓦卢
+土庫曼	土库曼斯坦
+聖盧西亞	圣卢西亚
+聖露西亞	圣卢西亚
+聖吉斯納域斯	圣基茨和尼维斯
+聖克里斯多福及尼維斯	圣基茨和尼维斯
+聖文森特和格林納丁斯	圣文森特和格林纳丁斯
+聖文森及格瑞那丁	圣文森特和格林纳丁斯
+聖馬力諾	圣马力诺
+聖馬利諾	圣马力诺
+圭亞那	圭亚那
+蓋亞那	圭亚那
+坦桑尼亞	坦桑尼亚
+坦尚尼亞	坦桑尼亚
+埃塞俄比亞	埃塞俄比亚
+衣索比亞	埃塞俄比亚
+吉里巴斯	基里巴斯
+基里巴斯	基里巴斯
+塔吉克	塔吉克斯坦
+獅子山	塞拉利昂
+塞拉利昂	塞拉利昂
+塞普勒斯	塞浦路斯
+塞浦路斯	塞浦路斯
+塞舌爾	塞舌尔
+塞席爾	塞舌尔
+多明尼加共和國	多米尼加
+多明尼加	多米尼加
+多明尼加聯邦	多米尼加联邦
+多米尼克	多米尼加联邦
+安提瓜和巴布達	安提瓜和巴布达
+安地卡及巴布達	安提瓜和巴布达
+尼日利亞	尼日利亚
+奈及利亞	尼日利亚
+尼日爾	尼日尔
+尼日	尼日尔
+巴貝多	巴巴多斯
+巴巴多斯	巴巴多斯
+巴布亞新畿內亞	巴布亚新几内亚
+巴布亞紐幾內亞	巴布亚新几内亚
+布基納法索	布基纳法索
+布吉納法索	布基纳法索
+蒲隆地	布隆迪
+布隆迪	布隆迪
+希臘	希腊
+帛琉	帕劳
+義大利	意大利
+意大利	意大利
+所羅門群島	所罗门群岛
+索羅門群島	所罗门群岛
+汶萊	文莱
+斯威士蘭	斯威士兰
+史瓦濟蘭	斯威士兰
+斯洛文尼亞	斯洛文尼亚
+斯洛維尼亞	斯洛文尼亚
+新西蘭	新西兰
+紐西蘭	新西兰
+北韓	朝鲜
+格林納達	格林纳达
+格瑞那達	格林纳达
+格魯吉亞	格鲁吉亚
+喬治亞	格鲁吉亚
+梵蒂岡	梵蒂冈
+教廷	梵蒂冈
+毛里塔尼亞	毛里塔尼亚
+茅利塔尼亞	毛里塔尼亚
+毛里裘斯	毛里求斯
+模里西斯	毛里求斯
+沙地阿拉伯	沙特阿拉伯
+沙烏地阿拉伯	沙特阿拉伯
+波斯尼亞黑塞哥維那	波斯尼亚和黑塞哥维那
+波士尼亞赫塞哥維納	波斯尼亚和黑塞哥维那
+津巴布韋	津巴布韦
+辛巴威	津巴布韦
+宏都拉斯	洪都拉斯
+洪都拉斯	洪都拉斯
+特立尼達和多巴哥	特立尼达和托巴哥
+千里達托貝哥	特立尼达和托巴哥
+瑙魯	瑙鲁
+諾魯	瑙鲁
+瓦努阿圖	瓦努阿图
+萬那杜	瓦努阿图
+溫納圖	瓦努阿图
+科摩羅	科摩罗
+葛摩	科摩罗
+象牙海岸	科特迪瓦
+突尼西亞	突尼斯
+索馬里	索马里
+索馬利亞	索马里
+老撾	老挝
+寮國	老挝
+肯雅	肯尼亚
+肯亞	肯尼亚
+蘇利南	苏里南
+莫三比克	莫桑比克
+莫桑比克	莫桑比克
+萊索托	莱索托
+賴索托	莱索托
+貝寧	贝宁
+貝南	贝宁
+贊比亞	赞比亚
+尚比亞	赞比亚
+亞塞拜然	阿塞拜疆
+阿塞拜疆	阿塞拜疆
+阿拉伯聯合酋長國	阿拉伯联合酋长国
+阿拉伯聯合大公國	阿拉伯联合酋长国
+南韓	韩国
+馬爾代夫	马尔代夫
+馬爾地夫	马尔代夫
+馬爾他	马耳他
+馬里	马里
+馬利	马里
+即食麵	方便面
+快速面	方便面
+速食麵	方便面
+泡麵	方便面
+笨豬跳	蹦极跳
+绑紧跳	蹦极跳
+冷盤　　	凉菜
+冷菜	凉菜
+散钱	零钱
+谐星	笑星　　　　
+夜学	夜校
+华乐	民乐
+中樂	民乐
+住屋	住房
+屋价	房价
+的士	出租车
+計程車	出租车
+巴士	公共汽车
+公車	公共汽车
+單車	自行车
+節慶	节日
+芝士	乾酪
+狗隻	犬只
+士多啤梨	草莓
+忌廉	奶油
+桌球	台球
+撞球	台球
+雪糕	冰淇淋
+衞生	卫生
+衛生	卫生
+賓士	奔驰
+平治	奔驰
+捷豹	美洲虎
+積架	美洲虎
+福斯	大众
+福士	大众
+雪鐵龍	雪铁龙
+萬事得	马自达
+馬自達	马自达
+寶獅	标志
+布殊	布什
+布希	布什
+柯林頓	克林顿
+克林頓	克林顿
+薩達姆	萨达姆
+海珊	萨达姆
+梵谷	凡高
+大衛碧咸	大卫·贝克汉姆
+米高奧雲	迈克尔·欧文
+卡佩雅蒂	珍妮弗·卡普里亚蒂
+沙芬	马拉特·萨芬
+舒麥加	迈克尔·舒马赫
+希特拉	希特勒
+戴安娜	狄安娜
+黛安娜	狄安娜
+希拉	赫拉
\ No newline at end of file
diff --git a/includes/zhtable/toHK.manual b/includes/zhtable/toHK.manual
new file mode 100644
index 00000000..ab623455
--- /dev/null
+++ b/includes/zhtable/toHK.manual
@@ -0,0 +1,211 @@
+打印机	打印機
+印表機	打印機
+字节	字節
+位元組	字節
+打印	打印
+列印	打印
+硬件	硬件
+硬體	硬件
+二极管	二極管
+二極體	二極管
+三极管	三極管
+三極體	三極管
+数码	數碼
+數位	數碼
+软件	軟件
+軟體	軟件
+网络	網絡
+網路	網絡
+人工智能	人工智能
+人工智慧	人工智能
+航天飞机	穿梭機
+太空梭	穿梭機
+因特网	互聯網
+網際網路	互聯網
+机器人	機械人
+機器人	機械人
+移动电话	流動電話
+行動電話	流動電話
+调制解调器	調制解調器
+數據機	調制解調器
+短信	短訊
+簡訊	短訊
+乍得	乍得
+查德	乍得
+也门	也門
+葉門	也門
+伯利兹	伯利茲
+貝里斯	伯利茲
+佛得角	佛得角
+維德角	佛得角
+克罗地亚	克羅地亞
+克羅埃西亞	克羅地亞
+冈比亚	岡比亞
+甘比亞	岡比亞
+几内亚比绍	幾內亞比紹
+幾內亞比索	幾內亞比紹
+列支敦士登	列支敦士登
+列支敦斯登	列支敦士登
+利比里亚	利比里亞
+賴比瑞亞	利比里亞
+加纳	加納
+迦納	加納
+加蓬	加蓬
+加彭	加蓬
+博茨瓦纳	博茨瓦納
+波札那	博茨瓦納
+卡塔尔	卡塔爾
+卡達	卡塔爾
+卢旺达	盧旺達
+盧安達	盧旺達
+危地马拉	危地馬拉
+瓜地馬拉	危地馬拉
+厄瓜多尔	厄瓜多爾
+厄瓜多	厄瓜多爾
+厄立特里亚	厄立特里亞
+厄利垂亞	厄立特里亞
+吉布提	吉布堤
+吉布地	吉布堤
+哥斯达黎加	哥斯達黎加
+哥斯大黎加	哥斯達黎加
+图瓦卢	圖瓦盧
+吐瓦魯	圖瓦盧
+圣卢西亚	聖盧西亞
+聖露西亞	聖盧西亞
+圣基茨和尼维斯	聖吉斯納域斯
+聖克里斯多福及尼維斯	聖吉斯納域斯
+圣文森特和格林纳丁斯	聖文森特和格林納丁斯
+聖文森及格瑞那丁	聖文森特和格林納丁斯
+圣马力诺	聖馬力諾
+聖馬利諾	聖馬力諾
+圭亚那	圭亞那
+蓋亞那	圭亞那
+坦桑尼亚	坦桑尼亞
+坦尚尼亞	坦桑尼亞
+埃塞俄比亚	埃塞俄比亞
+衣索比亞	埃塞俄比亞
+基里巴斯	基里巴斯
+吉里巴斯	基里巴斯
+獅子山	塞拉利昂
+塞普勒斯	塞浦路斯
+塞舌尔	塞舌爾
+塞席爾	塞舌爾
+多米尼加	多明尼加共和國
+多明尼加	多明尼加共和國
+多米尼加联邦	多明尼加聯邦
+多米尼克	多明尼加聯邦
+安提瓜和巴布达	安提瓜和巴布達
+安地卡及巴布達	安提瓜和巴布達
+尼日利亚	尼日利亞
+奈及利亞	尼日利亞
+尼日尔	尼日爾
+尼日	尼日爾
+巴巴多斯	巴巴多斯
+巴貝多	巴巴多斯
+巴布亚新几内亚	巴布亞新畿內亞
+巴布亞紐幾內亞	巴布亞新畿內亞
+布基纳法索	布基納法索
+布吉納法索	布基納法索
+布隆迪	布隆迪
+蒲隆地	布隆迪
+義大利	意大利
+所罗门群岛	所羅門群島
+索羅門群島	所羅門群島
+斯威士兰	斯威士蘭
+史瓦濟蘭	斯威士蘭
+斯洛文尼亚	斯洛文尼亞
+斯洛維尼亞	斯洛文尼亞
+新西兰	新西蘭
+紐西蘭	新西蘭
+格林纳达	格林納達
+格瑞那達	格林納達
+格鲁吉亚	格魯吉亞
+喬治亞	格魯吉亞
+梵蒂冈	梵蒂岡
+教廷	梵蒂岡
+毛里塔尼亚	毛里塔尼亞
+茅利塔尼亞	毛里塔尼亞
+毛里求斯	毛里裘斯
+模里西斯	毛里裘斯
+沙特阿拉伯	沙地阿拉伯
+沙烏地阿拉伯	沙地阿拉伯
+波斯尼亚和黑塞哥维那	波斯尼亞黑塞哥維那
+波士尼亞赫塞哥維納	波斯尼亞黑塞哥維那
+津巴布韦	津巴布韋
+辛巴威	津巴布韋
+洪都拉斯	洪都拉斯
+宏都拉斯	洪都拉斯
+特立尼达和托巴哥	特立尼達和多巴哥
+千里達托貝哥	特立尼達和多巴哥
+瑙鲁	瑙魯
+諾魯	瑙魯
+瓦努阿图	瓦努阿圖
+萬那杜	瓦努阿圖
+科摩罗	科摩羅
+葛摩	科摩羅
+索马里	索馬里
+索馬利亞	索馬里
+老挝	老撾
+寮國	老撾
+肯尼亚	肯雅
+肯亞	肯雅
+莫桑比克	莫桑比克
+莫三比克	莫桑比克
+莱索托	萊索托
+賴索托	萊索托
+贝宁	貝寧
+貝南	貝寧
+赞比亚	贊比亞
+尚比亞	贊比亞
+阿塞拜疆	阿塞拜疆
+亞塞拜然	阿塞拜疆
+阿拉伯联合酋长国	阿拉伯聯合酋長國
+阿拉伯聯合大公國	阿拉伯聯合酋長國
+马尔代夫	馬爾代夫
+馬爾地夫	馬爾代夫
+马里	馬里
+馬利	馬里
+方便面	即食麵
+快速面	即食麵
+速食麵	即食麵
+泡麵	即食麵
+土豆	薯仔
+华乐	中樂
+民乐	中樂
+計程車		的士
+出租车	的士
+公車	巴士
+公共汽车	巴士
+自行车	單車
+节日	節慶
+犬只	狗隻
+台球	桌球
+撞球	桌球
+冰淇淋	雪糕
+冰淇淋	雪糕
+卫生	衞生
+衛生	衞生
+老人	長者
+賓士	平治
+捷豹	積架
+福斯	福士
+雪铁龙	先進
+雪鐵龍	先進
+沃尓沃	富豪
+马自达	萬事得
+馬自達	萬事得
+寶獅	標致
+布什	布殊
+布希	布殊
+克林顿	克林頓
+柯林頓	克林頓
+萨达姆	薩達姆
+海珊	薩達姆
+大卫·贝克汉姆	大衛碧咸
+迈克尔·欧文	米高奧雲
+珍妮弗·卡普里亚蒂	卡佩雅蒂
+马拉特·萨芬	沙芬
+迈克尔·舒马赫	舒麥加
+希特勒	希特拉
+狄安娜	戴安娜
+黛安娜	戴安娜
\ No newline at end of file
diff --git a/includes/zhtable/toSG.manual b/includes/zhtable/toSG.manual
new file mode 100644
index 00000000..9a399bc8
--- /dev/null
+++ b/includes/zhtable/toSG.manual
@@ -0,0 +1,15 @@
+方便面	快速面
+速食麵	快速面
+即食麵	快速面
+蹦极跳	绑紧跳
+笨豬跳	绑紧跳
+凉菜	冷菜
+冷盤	冷菜
+零钱	散钱
+散紙	散钱
+笑星	谐星
+夜校	夜学
+民乐	华乐
+住房	住屋
+房价	屋价
+泡麵	快速面
\ No newline at end of file
diff --git a/includes/zhtable/toTW.manual b/includes/zhtable/toTW.manual
new file mode 100644
index 00000000..5c90dbe3
--- /dev/null
+++ b/includes/zhtable/toTW.manual
@@ -0,0 +1,309 @@
+内存	記憶體
+默认	預設
+缺省	預設
+串行	串列
+以太网	乙太網
+位图	點陣圖
+例程	常式
+信道	通道
+光标	游標
+光盘	光碟
+光驱	光碟機
+全角	全形
+共享	共用
+兼容	相容
+前缀	首碼
+后缀	尾碼
+加载	載入
+半角	半形
+变量	變數
+噪声	雜訊
+因子	因數
+在线	線上
+脱机	離線
+域名	功能變數名稱
+声卡	音效卡
+字号	字型大小
+字库	字型檔
+字段	欄位
+字符	字元
+存盘	存檔
+寻址	定址
+尾注	章節附註
+异步	非同步
+总线	匯流排
+括号	括弧
+接口	介面
+控件	控制項
+权限	許可權
+盘片	碟片
+硅片	矽片
+硅谷	矽谷
+硬盘	硬碟
+磁盘	磁碟
+磁道	磁軌
+程控	程式控制
+端口	埠
+算子	運算元
+算法	演算法
+芯片	晶片
+芯片	晶元
+词组	片語
+译码	解碼
+软驱	軟碟機
+闪存	快閃記憶體
+鼠标	滑鼠
+进制	進位
+交互式	互動式
+仿真	模擬
+优先级	優先順序
+传感	感測
+便携式	攜帶型
+信息论	資訊理論
+循环	迴圈
+写保护	防寫
+分布式	分散式
+分辨率	解析度
+程序	程式
+服务器	伺服器
+等于	等於
+局域网	區域網
+上载	上傳
+计算机	電腦
+宏	巨集
+扫瞄仪	掃瞄器
+宽带	寬頻
+窗口	視窗
+数据库	資料庫
+公历	西曆
+奶酪	乳酪
+巨商	鉅賈
+手电	手電筒
+万历	萬曆
+永历	永曆
+词汇	辭彙
+保安	保全
+习用	慣用
+元音	母音
+任意球	自由球
+头球	頭槌
+入球	進球
+粒入球	顆進球
+打门	射門
+火锅盖帽	蓋火鍋
+打印机	印表機
+打印機	印表機
+字节	位元組
+字節	位元組
+打印	列印
+打印	列印
+硬件	硬體
+硬件	硬體
+二极管	二極體
+二極管	二極體
+三极管	三極體
+三極管	三極體
+数码	數位
+數碼	數位
+软件	軟體
+軟件	軟體
+网络	網路
+網絡	網路
+人工智能	人工智慧
+航天飞机	太空梭
+穿梭機	太空梭
+因特网	網際網路
+互聯網	網際網路
+机器人	機器人
+機械人	機器人
+移动电话	行動電話
+流動電話	行動電話
+调制解调器	數據機
+調制解調器	數據機
+短信	簡訊
+短訊	簡訊
+乌兹别克斯坦	烏茲別克
+乍得	查德
+乍得	查德
+也门	葉門
+也門	葉門
+伯利兹	貝里斯
+伯利茲	貝里斯
+佛得角	維德角
+佛得角	維德角
+克罗地亚	克羅埃西亞
+克羅地亞	克羅埃西亞
+冈比亚	甘比亞
+岡比亞	甘比亞
+几内亚比绍	幾內亞比索
+幾內亞比紹	幾內亞比索
+列支敦士登	列支敦斯登
+列支敦士登	列支敦斯登
+利比里亚	賴比瑞亞
+利比里亞	賴比瑞亞
+加纳	迦納
+加納	迦納
+加蓬	加彭
+加蓬	加彭
+博茨瓦纳	波札那
+博茨瓦納	波札那
+卡塔尔	卡達
+卡塔爾	卡達
+卢旺达	盧安達
+盧旺達	盧安達
+危地马拉	瓜地馬拉
+危地馬拉	瓜地馬拉
+厄瓜多尔	厄瓜多
+厄瓜多爾	厄瓜多
+厄立特里亚	厄利垂亞
+厄立特里亞	厄利垂亞
+吉布提	吉布地
+吉布堤	吉布地
+哈萨克斯坦	哈薩克
+哥斯达黎加	哥斯大黎加
+哥斯達黎加	哥斯大黎加
+图瓦卢	吐瓦魯
+圖瓦盧	吐瓦魯
+土库曼斯坦	土庫曼
+圣卢西亚	聖露西亞
+聖盧西亞	聖露西亞
+圣基茨和尼维斯	聖克里斯多福及尼維斯
+聖吉斯納域斯	聖克里斯多福及尼維斯
+圣文森特和格林纳丁斯	聖文森及格瑞那丁
+聖文森特和格林納丁斯	聖文森及格瑞那丁
+圣马力诺	聖馬利諾
+聖馬力諾	聖馬利諾
+圭亚那	蓋亞那
+圭亞那	蓋亞那
+坦桑尼亚	坦尚尼亞
+坦桑尼亞	坦尚尼亞
+埃塞俄比亚	衣索比亞
+埃塞俄比亞	衣索比亞
+基里巴斯	吉里巴斯
+基里巴斯	吉里巴斯
+塔吉克斯坦	塔吉克
+塞拉利昂	獅子山
+塞拉利昂	獅子山
+塞浦路斯	塞普勒斯
+塞浦路斯	塞普勒斯
+塞舌尔	塞席爾
+塞舌爾	塞席爾
+多米尼加	多明尼加
+多明尼加共和國	多明尼加
+多米尼加联邦	多米尼克
+多明尼加聯邦	多米尼克
+安提瓜和巴布达	安地卡及巴布達
+安提瓜和巴布達	安地卡及巴布達
+尼日利亚	奈及利亞
+尼日利亞	奈及利亞
+尼日尔	尼日
+尼日爾	尼日
+巴巴多斯	巴貝多
+巴巴多斯	巴貝多
+巴布亚新几内亚	巴布亞紐幾內亞
+巴布亞新畿內亞	巴布亞紐幾內亞
+布基纳法索	布吉納法索
+布基納法索	布吉納法索
+布隆迪	蒲隆地
+布隆迪	蒲隆地
+希腊	希臘
+帕劳	帛琉
+意大利	義大利
+意大利	義大利
+所罗门群岛	索羅門群島
+所羅門群島	索羅門群島
+文莱	汶萊
+斯威士兰	史瓦濟蘭
+斯威士蘭	史瓦濟蘭
+斯洛文尼亚	斯洛維尼亞
+斯洛文尼亞	斯洛維尼亞
+新西兰	紐西蘭
+新西蘭	紐西蘭
+朝鲜	北韓
+格林纳达	格瑞那達
+格林納達	格瑞那達
+格鲁吉亚	喬治亞
+格魯吉亞	喬治亞
+梵蒂冈	教廷
+梵蒂岡	教廷
+毛里塔尼亚	茅利塔尼亞
+毛里塔尼亞	茅利塔尼亞
+毛里求斯	模里西斯
+毛里裘斯	模里西斯
+沙特阿拉伯	沙烏地阿拉伯
+沙地阿拉伯	沙烏地阿拉伯
+波斯尼亚和黑塞哥维那	波士尼亞赫塞哥維納
+波斯尼亞黑塞哥維那	波士尼亞赫塞哥維納
+津巴布韦	辛巴威
+津巴布韋	辛巴威
+洪都拉斯	宏都拉斯
+洪都拉斯	宏都拉斯
+特立尼达和托巴哥	千里達托貝哥
+特立尼達和多巴哥	千里達托貝哥
+瑙鲁	諾魯
+瑙魯	諾魯
+瓦努阿图	萬那杜
+瓦努阿圖	萬那杜
+溫納圖萬	那杜
+科摩罗	葛摩
+科摩羅	葛摩
+科特迪瓦	象牙海岸
+突尼斯	突尼西亞
+索马里	索馬利亞
+索馬里	索馬利亞
+老挝	寮國
+老撾	寮國
+肯尼亚	肯亞
+肯雅	肯亞
+苏里南	蘇利南
+莫桑比克	莫三比克
+莱索托	賴索托
+萊索托	賴索托
+贝宁	貝南
+貝寧	貝南
+赞比亚	尚比亞
+贊比亞	尚比亞
+阿塞拜疆	亞塞拜然
+阿塞拜疆	亞塞拜然
+阿拉伯联合酋长国	阿拉伯聯合大公國
+阿拉伯聯合酋長國	阿拉伯聯合大公國
+韩国	南韓
+马尔代夫	馬爾地夫
+馬爾代夫	馬爾地夫
+马耳他	馬爾他
+马里	馬利
+馬里	馬利
+方便面	速食麵
+快速面	速食麵
+即食麵	速食麵
+薯仔	土豆
+蹦极跳	笨豬跳
+绑紧跳	笨豬跳
+冷菜	冷盤
+凉菜	冷盤
+的士	計程車
+出租车	計程車
+巴士	公車
+公共汽车	公車
+台球	撞球
+桌球	撞球
+雪糕	冰淇淋
+卫生	衛生
+衞生	衛生
+平治	賓士
+奔驰	賓士
+積架	捷豹
+福士	福斯
+雪铁龙	雪鐵龍
+马自达	馬自達
+萬事得	馬自達
+布什	布希
+布殊	布希
+克林顿	柯林頓
+克林頓	柯林頓
+萨达姆	海珊
+薩達姆	海珊
+凡高	梵谷
+狄安娜	黛安娜
+戴安娜	黛安娜
+赫拉	希拉
\ No newline at end of file
diff --git a/includes/zhtable/trad2simp.manual b/includes/zhtable/trad2simp.manual
new file mode 100644
index 00000000..da069310
--- /dev/null
+++ b/includes/zhtable/trad2simp.manual
@@ -0,0 +1,15 @@
+U+056a5嚥|U+054bd咽|
+U+0585a塚|U+051a2冢|
+U+05dbd嶽|U+05cb3岳|
+U+04e99亙|U+04e98亘|
+U+081e5臥|U+05367卧|
+U+04f48佈|U+05e03布|
+U+06dd2淒|U+051c4凄|
+U+06de8淨|U+051c0净|
+U+05147兇|U+051f6凶|
+U+04f48佈|U+05e03布|
+U+06c59汙|U+06c61污|
+U+056ae嚮|U+05411向|
+U+09031週|U+05468周|
+U+0904a遊|U+06e38游|
+U+06de9淩|U+051cc凌|
diff --git a/includes/zhtable/tradphrases.manual b/includes/zhtable/tradphrases.manual
new file mode 100644
index 00000000..b2fec815
--- /dev/null
+++ b/includes/zhtable/tradphrases.manual
@@ -0,0 +1,149 @@
+一隻
+三隻
+四隻
+五隻
+六隻
+七隻
+八隻
+九隻
+十隻
+百隻
+千隻
+萬隻
+億隻
+並存著
+乾絲
+乾著急
+体育鍛鍊
+借著
+偷雞不著
+几絲
+划著
+划著走
+別著
+刮著
+千絲萬縷
+參与
+參与者
+參合
+參考價值
+參與
+參與人員
+參與制
+參與感
+參與者
+參觀團
+參觀團體
+參閱
+吃著不盡
+合著
+合著者
+吊帶褲
+吊掛著
+吊著
+吊褲
+吊褲帶
+向著
+嚴絲合縫
+回絲
+回著
+塗著
+壟斷價格
+壟斷資產
+壟斷集團
+姜絲
+帶團參加
+干著急
+幾絲
+彆著
+怎麼著
+憑藉著
+接著說
+擔著
+擔負著
+敘說著
+斗轉參橫
+旋繞著
+板著臉
+標志著
+正當著
+沈著
+沖著
+派團參加
+涂著
+湊合著
+瀰漫著
+為著
+煙斗絲
+率團參加
+畫著
+當著
+發著
+直接參与
+睡著了
+秋褲
+積极參与
+積极參加
+簽著
+系著
+絕對參照
+絲來線去
+絲布
+絲板
+絲瓜布
+絲絨布
+絲線
+絲織廠
+絲蟲
+緊繃著
+繃著
+繃著臉
+繃著臉兒
+繫著
+罵著
+肉絲麵
+背向著
+菌絲体
+菌絲體
+著兒
+著書立說
+著色軟體
+著重指出
+著錄
+著錄規則
+薑絲
+藉著
+蘊含著
+蘊涵著
+衝著
+被覆著
+覆著
+覆蓋著
+訴說著
+說著
+請參閱
+謝絕參觀
+豎著
+豐濱
+豐濱鄉
+象徵著
+這么著
+這麼著
+那麼著
+配合著
+醞釀著
+錄著
+鍛鍊出
+鍛鍊身体
+關係著
+雞絲
+雞絲麵
+面朝著
+面臨著
+顯著標志
+颳著
+髮絲
+鬥著
+鬧著玩儿
+鬧著玩兒
+鯰魚