Update to MediaWiki 1.22.0

15 files changed, 1029 insertions, 1003 deletions

diff --git a/includes/parser/CacheTime.php b/includes/parser/CacheTime.php
index 6b70e1da..8190a8a0 100644
--- a/includes/parser/CacheTime.php
+++ b/includes/parser/CacheTime.php
@@ -93,7 +93,7 @@ class CacheTime {
 			$expire = min( $expire, $wgParserCacheExpireTime );
 		}
 
-		if( $this->containsOldMagic() ) { //compatibility hack
+		if ( $this->containsOldMagic() ) { //compatibility hack
 			$expire = min( $expire, 3600 ); # 1 hour
 		}
 
diff --git a/includes/parser/CoreLinkFunctions.php b/includes/parser/CoreLinkFunctions.php
deleted file mode 100644
index 1cabf766..00000000
--- a/includes/parser/CoreLinkFunctions.php
+++ /dev/null
@@ -1,92 +0,0 @@
-<?php
-/**
- * Link functions provided by MediaWiki core; experimental
- *
- * 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
- *
- * @file
- * @ingroup Parser
- */
-
-/**
- * Various core link functions, registered in Parser::firstCallInit()
- * @ingroup Parser
- */
-class CoreLinkFunctions {
-	/**
-	 * @param $parser Parser_LinkHooks
-	 * @return bool
-	 */
-	static function register( $parser ) {
-		$parser->setLinkHook( NS_CATEGORY, array( __CLASS__, 'categoryLinkHook' ) );
-		return true;
-	}
-
-	/**
-	 * @param $parser Parser
-	 * @param $holders LinkHolderArray
-	 * @param $markers LinkMarkerReplacer
-	 * @param Title $title
-	 * @param $titleText
-	 * @param null $displayText
-	 * @param bool $leadingColon
-	 * @return bool
-	 */
-	static function defaultLinkHook( $parser, $holders, $markers,
-			Title $title, $titleText, &$displayText = null, &$leadingColon = false ) {
-		if( isset( $displayText ) && $markers->findMarker( $displayText ) ) {
-			# There are links inside of the displayText
-			# For backwards compatibility the deepest links are dominant so this
-			# link should not be handled
-			$displayText = $markers->expand( $displayText );
-			# Return false so that this link is reverted back to WikiText
-			return false;
-		}
-		return $holders->makeHolder( $title, isset( $displayText ) ? $displayText : $titleText, array(), '', '' );
-	}
-
-	/**
-	 * @param  $parser Parser
-	 * @param  $holders LinkHolderArray
-	 * @param  $markers LinkMarkerReplacer
-	 * @param Title $title
-	 * @param  $titleText
-	 * @param null $sortText
-	 * @param bool $leadingColon
-	 * @return bool|string
-	 */
-	static function categoryLinkHook( $parser, $holders, $markers,
-			Title $title, $titleText, &$sortText = null, &$leadingColon = false ) {
-		global $wgContLang;
-		# When a category link starts with a : treat it as a normal link
-		if( $leadingColon ) return true;
-		if( isset( $sortText ) && $markers->findMarker( $sortText ) ) {
-			# There are links inside of the sortText
-			# For backwards compatibility the deepest links are dominant so this
-			# link should not be handled
-			$sortText = $markers->expand( $sortText );
-			# Return false so that this link is reverted back to WikiText
-			return false;
-		}
-		if( !isset( $sortText ) ) $sortText = $parser->getDefaultSort();
-		$sortText = Sanitizer::decodeCharReferences( $sortText );
-		$sortText = str_replace( "\n", '', $sortText );
-		$sortText = $wgContLang->convertCategoryKey( $sortText );
-		$parser->mOutput->addCategory( $title->getDBkey(), $sortText );
-		return '';
-	}
-
-}
diff --git a/includes/parser/CoreParserFunctions.php b/includes/parser/CoreParserFunctions.php
index cdd03aa4..4b6eeca2 100644
--- a/includes/parser/CoreParserFunctions.php
+++ b/includes/parser/CoreParserFunctions.php
@@ -88,6 +88,8 @@ class CoreParserFunctions {
 		$parser->setFunctionHook( 'pagenamee',        array( __CLASS__, 'pagenamee'        ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'fullpagename',     array( __CLASS__, 'fullpagename'     ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'fullpagenamee',    array( __CLASS__, 'fullpagenamee'    ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'rootpagename',     array( __CLASS__, 'rootpagename'     ), SFH_NO_HASH );
+		$parser->setFunctionHook( 'rootpagenamee',    array( __CLASS__, 'rootpagenamee'    ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'basepagename',     array( __CLASS__, 'basepagename'     ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'basepagenamee',    array( __CLASS__, 'basepagenamee'    ), SFH_NO_HASH );
 		$parser->setFunctionHook( 'subpagename',      array( __CLASS__, 'subpagename'      ), SFH_NO_HASH );
@@ -137,9 +139,10 @@ class CoreParserFunctions {
 		$pref = $parser->getOptions()->getDateFormat();
 
 		// Specify a different default date format other than the the normal default
-		// iff the user has 'default' for their setting
-		if ( $pref == 'default' && $defaultPref )
+		// if the user has 'default' for their setting
+		if ( $pref == 'default' && $defaultPref ) {
 			$pref = $defaultPref;
+		}
 
 		$date = $df->reformat( $pref, $date, array( 'match-whole' ) );
 		return $date;
@@ -184,7 +187,7 @@ class CoreParserFunctions {
 		if ( is_null( $magicWords ) ) {
 			$magicWords = new MagicWordArray( array( 'url_path', 'url_query', 'url_wiki' ) );
 		}
-		switch( $magicWords->matchStartToEnd( $arg ) ) {
+		switch ( $magicWords->matchStartToEnd( $arg ) ) {
 
 			// Encode as though it's a wiki page, '_' for ' '.
 			case 'url_wiki':
@@ -248,14 +251,15 @@ class CoreParserFunctions {
 		# 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 ) )
+		if ( is_null( $title ) ) {
 			$title = Title::newFromURL( urldecode( $s ) );
-		if( !is_null( $title ) ) {
+		}
+		if ( !is_null( $title ) ) {
 			# Convert NS_MEDIA -> NS_FILE
-			if( $title->getNamespace() == NS_MEDIA ) {
+			if ( $title->getNamespace() == NS_MEDIA ) {
 				$title = Title::makeTitle( NS_FILE, $title->getDBkey() );
 			}
-			if( !is_null( $arg ) ) {
+			if ( !is_null( $arg ) ) {
 				$text = $title->$func( $arg );
 			} else {
 				$text = $title->$func();
@@ -359,30 +363,49 @@ class CoreParserFunctions {
 	static function displaytitle( $parser, $text = '' ) {
 		global $wgRestrictDisplayTitle;
 
-		#parse a limited subset of wiki markup (just the single quote items)
+		// parse a limited subset of wiki markup (just the single quote items)
 		$text = $parser->doQuotes( $text );
 
-		#remove stripped text (e.g. the UNIQ-QINU stuff) that was generated by tag extensions/whatever
+		// remove stripped text (e.g. the UNIQ-QINU stuff) that was generated by tag extensions/whatever
 		$text = preg_replace( '/' . preg_quote( $parser->uniqPrefix(), '/' ) . '.*?'
 			. preg_quote( Parser::MARKER_SUFFIX, '/' ) . '/', '', $text );
 
-		#list of disallowed tags for DISPLAYTITLE
-		#these will be escaped even though they are allowed in normal wiki text
+		// list of disallowed tags for DISPLAYTITLE
+		// these will be escaped even though they are allowed in normal wiki text
 		$bad = array( 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'div', 'blockquote', 'ol', 'ul', 'li', 'hr',
 			'table', 'tr', 'th', 'td', 'dl', 'dd', 'caption', 'p', 'ruby', 'rb', 'rt', 'rp', 'br' );
 
-		#only requested titles that normalize to the actual title are allowed through
-		#if $wgRestrictDisplayTitle is true (it is by default)
-		#mimic the escaping process that occurs in OutputPage::setPageTitle
-		$text = Sanitizer::normalizeCharReferences( Sanitizer::removeHTMLtags( $text, null, array(), array(), $bad ) );
+		// disallow some styles that could be used to bypass $wgRestrictDisplayTitle
+		if ( $wgRestrictDisplayTitle ) {
+			$htmlTagsCallback = function ( &$params ) {
+				$decoded = Sanitizer::decodeTagAttributes( $params );
+
+				if ( isset( $decoded['style'] ) ) {
+					// this is called later anyway, but we need it right now for the regexes below to be safe
+					// calling it twice doesn't hurt
+					$decoded['style'] = Sanitizer::checkCss( $decoded['style'] );
+
+					if ( preg_match( '/(display|user-select|visibility)\s*:/i', $decoded['style'] ) ) {
+						$decoded['style'] = '/* attempt to bypass $wgRestrictDisplayTitle */';
+					}
+				}
+
+				$params = Sanitizer::safeEncodeTagAttributes( $decoded );
+			};
+		} else {
+			$htmlTagsCallback = null;
+		}
+
+		// only requested titles that normalize to the actual title are allowed through
+		// if $wgRestrictDisplayTitle is true (it is by default)
+		// mimic the escaping process that occurs in OutputPage::setPageTitle
+		$text = Sanitizer::normalizeCharReferences( Sanitizer::removeHTMLtags( $text, $htmlTagsCallback, array(), array(), $bad ) );
 		$title = Title::newFromText( Sanitizer::stripAllTags( $text ) );
 
-		if( !$wgRestrictDisplayTitle ) {
+		if ( !$wgRestrictDisplayTitle ) {
+			$parser->mOutput->setDisplayTitle( $text );
+		} elseif ( $title instanceof Title && $title->getFragment() == '' && $title->equals( $parser->mTitle ) ) {
 			$parser->mOutput->setDisplayTitle( $text );
-		} else {
-			if ( $title instanceof Title && $title->getFragment() == '' && $title->equals( $parser->mTitle ) ) {
-				$parser->mOutput->setDisplayTitle( $text );
-			}
 		}
 
 		return '';
@@ -404,7 +427,7 @@ class CoreParserFunctions {
 	}
 
 	static function formatRaw( $num, $raw ) {
-		if( self::matchAgainstMagicword( 'rawsuffix', $raw ) ) {
+		if ( self::matchAgainstMagicword( 'rawsuffix', $raw ) ) {
 			return $num;
 		} else {
 			global $wgContLang;
@@ -433,12 +456,13 @@ class CoreParserFunctions {
 		return self::formatRaw( SiteStats::edits(), $raw );
 	}
 	static function numberofviews( $parser, $raw = null ) {
-		return self::formatRaw( SiteStats::views(), $raw );
+		global $wgDisableCounters;
+		return !$wgDisableCounters ? self::formatRaw( SiteStats::views(), $raw ) : '';
 	}
 	static function pagesinnamespace( $parser, $namespace = 0, $raw = null ) {
 		return self::formatRaw( SiteStats::pagesInNs( intval( $namespace ) ), $raw );
 	}
-	static function numberingroup( $parser, $name = '', $raw = null) {
+	static function numberingroup( $parser, $name = '', $raw = null ) {
 		return self::formatRaw( SiteStats::numberingroup( strtolower( $name ) ), $raw );
 	}
 
@@ -451,44 +475,51 @@ class CoreParserFunctions {
 	 */
 	static function mwnamespace( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return str_replace( '_', ' ', $t->getNsText() );
 	}
 	static function namespacee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfUrlencode( $t->getNsText() );
 	}
 	static function namespacenumber( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return $t->getNamespace();
 	}
 	static function talkspace( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) || !$t->canTalk() )
+		if ( is_null( $t ) || !$t->canTalk() ) {
 			return '';
+		}
 		return str_replace( '_', ' ', $t->getTalkNsText() );
 	}
 	static function talkspacee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) || !$t->canTalk() )
+		if ( is_null( $t ) || !$t->canTalk() ) {
 			return '';
+		}
 		return wfUrlencode( $t->getTalkNsText() );
 	}
 	static function subjectspace( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return str_replace( '_', ' ', $t->getSubjectNsText() );
 	}
 	static function subjectspacee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfUrlencode( $t->getSubjectNsText() );
 	}
 
@@ -499,75 +530,101 @@ class CoreParserFunctions {
 	 */
 	static function pagename( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getText() );
 	}
 	static function pagenamee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getPartialURL() );
 	}
 	static function fullpagename( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) || !$t->canTalk() )
+		if ( is_null( $t ) || !$t->canTalk() ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getPrefixedText() );
 	}
 	static function fullpagenamee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) || !$t->canTalk() )
+		if ( is_null( $t ) || !$t->canTalk() ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getPrefixedURL() );
 	}
 	static function subpagename( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getSubpageText() );
 	}
 	static function subpagenamee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getSubpageUrlForm() );
 	}
+	static function rootpagename( $parser, $title = null ) {
+		$t = Title::newFromText( $title );
+		if ( is_null( $t ) ) {
+			return '';
+		}
+		return wfEscapeWikiText( $t->getRootText() );
+	}
+	static function rootpagenamee( $parser, $title = null ) {
+		$t = Title::newFromText( $title );
+		if ( is_null( $t ) ) {
+			return '';
+		}
+		return wfEscapeWikiText( wfUrlEncode( str_replace( ' ', '_', $t->getRootText() ) ) );
+	}
 	static function basepagename( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getBaseText() );
 	}
 	static function basepagenamee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfEscapeWikiText( wfUrlEncode( str_replace( ' ', '_', $t->getBaseText() ) ) );
 	}
 	static function talkpagename( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) || !$t->canTalk() )
+		if ( is_null( $t ) || !$t->canTalk() ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getTalkPage()->getPrefixedText() );
 	}
 	static function talkpagenamee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) || !$t->canTalk() )
+		if ( is_null( $t ) || !$t->canTalk() ) {
 			return '';
-		return wfEscapeWikiText( $t->getTalkPage()->getPrefixedUrl() );
+		}
+		return wfEscapeWikiText( $t->getTalkPage()->getPrefixedURL() );
 	}
 	static function subjectpagename( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
+		}
 		return wfEscapeWikiText( $t->getSubjectPage()->getPrefixedText() );
 	}
 	static function subjectpagenamee( $parser, $title = null ) {
 		$t = Title::newFromText( $title );
-		if ( is_null( $t ) )
+		if ( is_null( $t ) ) {
 			return '';
-		return wfEscapeWikiText( $t->getSubjectPage()->getPrefixedUrl() );
+		}
+		return wfEscapeWikiText( $t->getSubjectPage()->getPrefixedURL() );
 	}
 
 	/**
@@ -577,6 +634,7 @@ class CoreParserFunctions {
 	 * @return string
 	 */
 	static function pagesincategory( $parser, $name = '', $arg1 = null, $arg2 = null ) {
+		global $wgContLang;
 		static $magicWords = null;
 		if ( is_null( $magicWords ) ) {
 			$magicWords = new MagicWordArray( array(
@@ -589,7 +647,7 @@ class CoreParserFunctions {
 		static $cache = array();
 
 		// split the given option to its variable
-		if( self::matchAgainstMagicword( 'rawsuffix', $arg1 ) ) {
+		if ( self::matchAgainstMagicword( 'rawsuffix', $arg1 ) ) {
 			//{{pagesincategory:|raw[|type]}}
 			$raw = $arg1;
 			$type = $magicWords->matchStartToEnd( $arg2 );
@@ -598,23 +656,24 @@ class CoreParserFunctions {
 			$type = $magicWords->matchStartToEnd( $arg1 );
 			$raw = $arg2;
 		}
-		if( !$type ) { //backward compatibility
+		if ( !$type ) { //backward compatibility
 			$type = 'pagesincategory_all';
 		}
 
 		$title = Title::makeTitleSafe( NS_CATEGORY, $name );
-		if( !$title ) { # invalid title
+		if ( !$title ) { # invalid title
 			return self::formatRaw( 0, $raw );
 		}
+		$wgContLang->findVariantLink( $name, $title, true );
 
 		// Normalize name for cache
 		$name = $title->getDBkey();
 
-		if( !isset( $cache[$name] ) ) {
+		if ( !isset( $cache[$name] ) ) {
 			$category = Category::newFromTitle( $title );
 
 			$allCount = $subcatCount = $fileCount = $pagesCount = 0;
-			if( $parser->incrementExpensiveFunctionCount() ) {
+			if ( $parser->incrementExpensiveFunctionCount() ) {
 				// $allCount is the total number of cat members,
 				// not the count of how many members are normal pages.
 				$allCount = (int)$category->getPageCount();
@@ -636,8 +695,6 @@ class CoreParserFunctions {
 	 * Return the size of the given page, or 0 if it's nonexistent.  This is an
 	 * expensive parser function and can't be called too many times per page.
 	 *
-	 * @todo FIXME: This doesn't work correctly on preview for getting the size
-	 *   of the current page.
 	 * @todo FIXME: Title::getLength() documentation claims that it adds things
 	 *   to the link cache, so the local cache here should be unnecessary, but
 	 *   in fact calling getLength() repeatedly for the same $page does seem to
@@ -645,15 +702,15 @@ class CoreParserFunctions {
 	 * @todo Document parameters
 	 *
 	 * @param $parser Parser
-	 * @param string $page TODO DOCUMENT (Default: empty string)
-	 * @param $raw TODO DOCUMENT (Default: null)
+	 * @param $page String Name of page to check (Default: empty string)
+	 * @param $raw String Should number be human readable with commas or just number
 	 * @return string
 	 */
 	static function pagesize( $parser, $page = '', $raw = null ) {
 		static $cache = array();
 		$title = Title::newFromText( $page );
 
-		if( !is_object( $title ) ) {
+		if ( !is_object( $title ) ) {
 			$cache[$page] = 0;
 			return self::formatRaw( 0, $raw );
 		}
@@ -662,9 +719,9 @@ class CoreParserFunctions {
 		$page = $title->getPrefixedText();
 
 		$length = 0;
-		if( isset( $cache[$page] ) ) {
+		if ( isset( $cache[$page] ) ) {
 			$length = $cache[$page];
-		} elseif( $parser->incrementExpensiveFunctionCount() ) {
+		} elseif ( $parser->incrementExpensiveFunctionCount() ) {
 			$rev = Revision::newFromTitle( $title, false, Revision::READ_NORMAL );
 			$pageID = $rev ? $rev->getPage() : 0;
 			$revID = $rev ? $rev->getId() : 0;
@@ -717,7 +774,9 @@ class CoreParserFunctions {
 	static function pad( $parser, $string, $length, $padding = '0', $direction = STR_PAD_RIGHT ) {
 		$padding = $parser->killMarkers( $padding );
 		$lengthOfPadding = mb_strlen( $padding );
-		if ( $lengthOfPadding == 0 ) return $string;
+		if ( $lengthOfPadding == 0 ) {
+			return $string;
+		}
 
 		# The remaining length to add counts down to 0 as padding is added
 		$length = min( $length, 500 ) - mb_strlen( $string );
@@ -762,7 +821,9 @@ class CoreParserFunctions {
 			$title = SpecialPage::getTitleFor( $page, $subpage );
 			return $title->getPrefixedText();
 		} else {
-			return wfMessage( 'nosuchspecialpage' )->inContentLanguage()->text();
+			// unknown special page, just use the given text as its title, if at all possible
+			$title = Title::makeTitleSafe( NS_SPECIAL, $text );
+			return $title ? $title->getPrefixedText() : self::special( $parser, 'Badtitle' );
 		}
 	}
 
@@ -786,19 +847,25 @@ class CoreParserFunctions {
 		$arg = $magicWords->matchStartToEnd( $uarg );
 
 		$text = trim( $text );
-		if( strlen( $text ) == 0 )
+		if ( strlen( $text ) == 0 ) {
 			return '';
+		}
 		$old = $parser->getCustomDefaultSort();
 		if ( $old === false || $arg !== 'defaultsort_noreplace' ) {
 			$parser->setDefaultSort( $text );
 		}
 
-		if( $old === false || $old == $text || $arg ) {
+		if ( $old === false || $old == $text || $arg ) {
 			return '';
 		} else {
-			return( '<span class="error">' .
-				wfMessage( 'duplicate-defaultsort', $old, $text )->inContentLanguage()->escaped() .
-				'</span>' );
+			$converter = $parser->getConverterLanguage()->getConverter();
+			return '<span class="error">' .
+				wfMessage( 'duplicate-defaultsort',
+					// Message should be parsed, but these params should only be escaped.
+					$converter->markNoConversion( wfEscapeWikiText( $old ) ),
+					$converter->markNoConversion( wfEscapeWikiText( $text ) )
+				)->inContentLanguage()->text() .
+				'</span>';
 		}
 	}
 
@@ -807,14 +874,14 @@ class CoreParserFunctions {
 	public static function filepath( $parser, $name = '', $argA = '', $argB = '' ) {
 		$file = wfFindFile( $name );
 
-		if( $argA == 'nowiki' ) {
+		if ( $argA == 'nowiki' ) {
 			// {{filepath: | option [| size] }}
 			$isNowiki = true;
 			$parsedWidthParam = $parser->parseWidthParam( $argB );
 		} else {
 			// {{filepath: [| size [|option]] }}
 			$parsedWidthParam = $parser->parseWidthParam( $argA );
-			$isNowiki = ($argB == 'nowiki');
+			$isNowiki = ( $argB == 'nowiki' );
 		}
 
 		if ( $file ) {
diff --git a/includes/parser/CoreTagHooks.php b/includes/parser/CoreTagHooks.php
index 65051839..a2eb6987 100644
--- a/includes/parser/CoreTagHooks.php
+++ b/includes/parser/CoreTagHooks.php
@@ -77,7 +77,7 @@ class CoreTagHooks {
 	 */
 	static function html( $content, $attributes, $parser ) {
 		global $wgRawHtml;
-		if( $wgRawHtml ) {
+		if ( $wgRawHtml ) {
 			return array( $content, 'markerType' => 'nowiki' );
 		} else {
 			throw new MWException( '<html> extension tag encountered unexpectedly' );
diff --git a/includes/parser/DateFormatter.php b/includes/parser/DateFormatter.php
index a2da3074..0a69b045 100644
--- a/includes/parser/DateFormatter.php
+++ b/includes/parser/DateFormatter.php
@@ -156,10 +156,10 @@ class DateFormatter {
 		}
 		for ( $i = 1; $i <= self::LAST; $i++ ) {
 			$this->mSource = $i;
-			if ( isset ( $this->rules[$preference][$i] ) ) {
+			if ( isset( $this->rules[$preference][$i] ) ) {
 				# Specific rules
 				$this->mTarget = $this->rules[$preference][$i];
-			} elseif ( isset ( $this->rules[self::ALL][$i] ) ) {
+			} elseif ( isset( $this->rules[self::ALL][$i] ) ) {
 				# General rules
 				$this->mTarget = $this->rules[self::ALL][$i];
 			} elseif ( $preference ) {
@@ -198,14 +198,15 @@ class DateFormatter {
 	function replace( $matches ) {
 		# Extract information from $matches
 		$linked = true;
-		if ( isset( $this->mLinked ) )
+		if ( isset( $this->mLinked ) ) {
 			$linked = $this->mLinked;
+		}
 
 		$bits = array();
 		$key = $this->keys[$this->mSource];
 		for ( $p = 0; $p < strlen( $key ); $p++ ) {
 			if ( $key[$p] != ' ' ) {
-				$bits[$key[$p]] = $matches[$p+1];
+				$bits[$key[$p]] = $matches[$p + 1];
 			}
 		}
 
@@ -232,10 +233,12 @@ class DateFormatter {
 		$fail = false;
 
 		// Pre-generate y/Y stuff because we need the year for the <span> title.
-		if ( !isset( $bits['y'] ) && isset( $bits['Y'] ) )
+		if ( !isset( $bits['y'] ) && isset( $bits['Y'] ) ) {
 			$bits['y'] = $this->makeIsoYear( $bits['Y'] );
-		if ( !isset( $bits['Y'] ) && isset( $bits['y'] ) )
+		}
+		if ( !isset( $bits['Y'] ) && isset( $bits['y'] ) ) {
 			$bits['Y'] = $this->makeNormalYear( $bits['y'] );
+		}
 
 		if ( !isset( $bits['m'] ) ) {
 			$m = $this->makeIsoMonth( $bits['F'] );
@@ -293,8 +296,9 @@ class DateFormatter {
 		}
 
 		$isoBits = array();
-		if ( isset( $bits['y'] ) )
+		if ( isset( $bits['y'] ) ) {
 			$isoBits[] = $bits['y'];
+		}
 		$isoBits[] = $bits['m'];
 		$isoBits[] = $bits['d'];
 		$isoDate = implode( '-', $isoBits );
@@ -312,7 +316,7 @@ class DateFormatter {
 	 */
 	function getMonthRegex() {
 		$names = array();
-		for( $i = 1; $i <= 12; $i++ ) {
+		for ( $i = 1; $i <= 12; $i++ ) {
 			$names[] = $this->lang->getMonthName( $i );
 			$names[] = $this->lang->getMonthAbbreviation( $i );
 		}
@@ -337,7 +341,7 @@ class DateFormatter {
 	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;
+			$num = intval( substr( $year, 0, -3 ) ) - 1;
 			# PHP bug note: sprintf( "%04d", -1 ) fails poorly
 			$text = sprintf( '-%04d', $num );
 
@@ -353,7 +357,7 @@ class DateFormatter {
 	 */
 	function makeNormalYear( $iso ) {
 		if ( $iso[0] == '-' ) {
-			$text = (intval( substr( $iso, 1 ) ) + 1) . ' BC';
+			$text = ( intval( substr( $iso, 1 ) ) + 1 ) . ' BC';
 		} else {
 			$text = intval( $iso );
 		}
diff --git a/includes/parser/LinkHolderArray.php b/includes/parser/LinkHolderArray.php
index 49b2d333..27ff9e7d 100644
--- a/includes/parser/LinkHolderArray.php
+++ b/includes/parser/LinkHolderArray.php
@@ -281,88 +281,90 @@ class LinkHolderArray {
 		$linkCache = LinkCache::singleton();
 		$output = $this->parent->getOutput();
 
-		wfProfileIn( __METHOD__ . '-check' );
-		$dbr = wfGetDB( DB_SLAVE );
-		$threshold = $this->parent->getOptions()->getStubThreshold();
+		if( $linkCache->useDatabase() ) {
+			wfProfileIn( __METHOD__ . '-check' );
+			$dbr = wfGetDB( DB_SLAVE );
+			$threshold = $this->parent->getOptions()->getStubThreshold();
 
-		# Sort by namespace
-		ksort( $this->internals );
+			# Sort by namespace
+			ksort( $this->internals );
 
-		$linkcolour_ids = array();
+			$linkcolour_ids = array();
 
-		# Generate query
-		$queries = array();
-		foreach ( $this->internals as $ns => $entries ) {
-			foreach ( $entries as $entry ) {
-				$title = $entry['title'];
-				$pdbk = $entry['pdbk'];
+			# Generate query
+			$queries = array();
+			foreach ( $this->internals as $ns => $entries ) {
+				foreach ( $entries as $entry ) {
+					$title = $entry['title'];
+					$pdbk = $entry['pdbk'];
 
-				# Skip invalid entries.
-				# Result will be ugly, but prevents crash.
-				if ( is_null( $title ) ) {
-					continue;
-				}
+					# Skip invalid entries.
+					# Result will be ugly, but prevents crash.
+					if ( is_null( $title ) ) {
+						continue;
+					}
 
-				# Check if it's a static known link, e.g. interwiki
-				if ( $title->isAlwaysKnown() ) {
-					$colours[$pdbk] = '';
-				} elseif ( $ns == NS_SPECIAL ) {
-					$colours[$pdbk] = 'new';
-				} elseif ( ( $id = $linkCache->getGoodLinkID( $pdbk ) ) != 0 ) {
-					$colours[$pdbk] = Linker::getLinkColour( $title, $threshold );
-					$output->addLink( $title, $id );
-					$linkcolour_ids[$id] = $pdbk;
-				} elseif ( $linkCache->isBadLink( $pdbk ) ) {
-					$colours[$pdbk] = 'new';
-				} else {
-					# Not in the link cache, add it to the query
-					$queries[$ns][] = $title->getDBkey();
+					# Check if it's a static known link, e.g. interwiki
+					if ( $title->isAlwaysKnown() ) {
+						$colours[$pdbk] = '';
+					} elseif ( $ns == NS_SPECIAL ) {
+						$colours[$pdbk] = 'new';
+					} elseif ( ( $id = $linkCache->getGoodLinkID( $pdbk ) ) != 0 ) {
+						$colours[$pdbk] = Linker::getLinkColour( $title, $threshold );
+						$output->addLink( $title, $id );
+						$linkcolour_ids[$id] = $pdbk;
+					} elseif ( $linkCache->isBadLink( $pdbk ) ) {
+						$colours[$pdbk] = 'new';
+					} else {
+						# Not in the link cache, add it to the query
+						$queries[$ns][] = $title->getDBkey();
+					}
 				}
 			}
-		}
-		if ( $queries ) {
-			$where = array();
-			foreach( $queries as $ns => $pages ) {
-				$where[] = $dbr->makeList(
-					array(
-						'page_namespace' => $ns,
-						'page_title' => $pages,
-					),
-					LIST_AND
-				);
-			}
+			if ( $queries ) {
+				$where = array();
+				foreach ( $queries as $ns => $pages ) {
+					$where[] = $dbr->makeList(
+						array(
+							'page_namespace' => $ns,
+							'page_title' => $pages,
+						),
+						LIST_AND
+					);
+				}
 
-			$res = $dbr->select(
-				'page',
-				array( 'page_id', 'page_namespace', 'page_title', 'page_is_redirect', 'page_len', 'page_latest' ),
-				$dbr->makeList( $where, LIST_OR ),
-				__METHOD__
-			);
+				$res = $dbr->select(
+					'page',
+					array( 'page_id', 'page_namespace', 'page_title', 'page_is_redirect', 'page_len', 'page_latest' ),
+					$dbr->makeList( $where, LIST_OR ),
+					__METHOD__
+				);
 
-			# Fetch data and form into an associative array
-			# non-existent = broken
-			foreach ( $res as $s ) {
-				$title = Title::makeTitle( $s->page_namespace, $s->page_title );
-				$pdbk = $title->getPrefixedDBkey();
-				$linkCache->addGoodLinkObjFromRow( $title, $s );
-				$output->addLink( $title, $s->page_id );
-				# @todo FIXME: Convoluted data flow
-				# The redirect status and length is passed to getLinkColour via the LinkCache
-				# Use formal parameters instead
-				$colours[$pdbk] = Linker::getLinkColour( $title, $threshold );
-				//add id to the extension todolist
-				$linkcolour_ids[$s->page_id] = $pdbk;
+				# Fetch data and form into an associative array
+				# non-existent = broken
+				foreach ( $res as $s ) {
+					$title = Title::makeTitle( $s->page_namespace, $s->page_title );
+					$pdbk = $title->getPrefixedDBkey();
+					$linkCache->addGoodLinkObjFromRow( $title, $s );
+					$output->addLink( $title, $s->page_id );
+					# @todo FIXME: Convoluted data flow
+					# The redirect status and length is passed to getLinkColour via the LinkCache
+					# Use formal parameters instead
+					$colours[$pdbk] = Linker::getLinkColour( $title, $threshold );
+					//add id to the extension todolist
+					$linkcolour_ids[$s->page_id] = $pdbk;
+				}
+				unset( $res );
 			}
-			unset( $res );
-		}
-		if ( count( $linkcolour_ids ) ) {
-			//pass an array of page_ids to an extension
-			wfRunHooks( 'GetLinkColours', array( $linkcolour_ids, &$colours ) );
+			if ( count( $linkcolour_ids ) ) {
+				//pass an array of page_ids to an extension
+				wfRunHooks( 'GetLinkColours', array( $linkcolour_ids, &$colours ) );
+			}
+			wfProfileOut( __METHOD__ . '-check' );
 		}
-		wfProfileOut( __METHOD__ . '-check' );
 
 		# Do a second query for different language variants of links and categories
-		if( $wgContLang->hasVariants() ) {
+		if ( $wgContLang->hasVariants() ) {
 			$this->doVariants( $colours );
 		}
 
@@ -377,6 +379,10 @@ class LinkHolderArray {
 				$key = "$ns:$index";
 				$searchkey = "<!--LINK $key-->";
 				$displayText = $entry['text'];
+				if ( isset( $entry['selflink'] ) ) {
+					$replacePairs[$searchkey] = Linker::makeSelfLinkObj( $title, $displayText, $query );
+					continue;
+				}
 				if ( $displayText === '' ) {
 					$displayText = null;
 				}
@@ -406,7 +412,8 @@ class LinkHolderArray {
 		$text = preg_replace_callback(
 			'/(<!--LINK .*?-->)/',
 			$replacer->cb(),
-			$text);
+			$text
+		);
 
 		wfProfileOut( __METHOD__ . '-replace' );
 		wfProfileOut( __METHOD__ );
@@ -424,7 +431,7 @@ class LinkHolderArray {
 		# Make interwiki link HTML
 		$output = $this->parent->getOutput();
 		$replacePairs = array();
-		foreach( $this->interwikis as $key => $link ) {
+		foreach ( $this->interwikis as $key => $link ) {
 			$replacePairs[$key] = Linker::link( $link['title'], $link['text'] );
 			$output->addInterwikiLink( $link['title'] );
 		}
@@ -454,20 +461,17 @@ class LinkHolderArray {
 		// single string to all variants. This would improve parser's performance
 		// significantly.
 		foreach ( $this->internals as $ns => $entries ) {
+			if ( $ns == NS_SPECIAL ) {
+				continue;
+			}
 			foreach ( $entries as $index => $entry ) {
 				$pdbk = $entry['pdbk'];
 				// we only deal with new links (in its first query)
 				if ( !isset( $colours[$pdbk] ) || $colours[$pdbk] === 'new' ) {
-					$title = $entry['title'];
-					$titleText = $title->getText();
-					$titlesAttrs[] = array(
-						'ns' => $ns,
-						'key' => "$ns:$index",
-						'titleText' => $titleText,
-					);
+					$titlesAttrs[] = array( $index, $entry['title'] );
 					// separate titles with \0 because it would never appears
 					// in a valid title
-					$titlesToBeConverted .= $titleText . "\0";
+					$titlesToBeConverted .= $entry['title']->getText() . "\0";
 				}
 			}
 		}
@@ -478,19 +482,35 @@ class LinkHolderArray {
 		foreach ( $titlesAllVariants as &$titlesVariant ) {
 			$titlesVariant = explode( "\0", $titlesVariant );
 		}
-		$l = count( $titlesAttrs );
+
 		// Then add variants of links to link batch
-		for ( $i = 0; $i < $l; $i ++ ) {
+		$parentTitle = $this->parent->getTitle();
+		foreach ( $titlesAttrs as $i => $attrs ) {
+			list( $index, $title ) = $attrs;
+			$ns = $title->getNamespace();
+			$text = $title->getText();
+
 			foreach ( $allVariantsName as $variantName ) {
 				$textVariant = $titlesAllVariants[$variantName][$i];
-				if ( $textVariant != $titlesAttrs[$i]['titleText'] ) {
-					$variantTitle = Title::makeTitle( $titlesAttrs[$i]['ns'], $textVariant );
-					if( is_null( $variantTitle ) ) {
-						continue;
-					}
-					$linkBatch->addObj( $variantTitle );
-					$variantMap[$variantTitle->getPrefixedDBkey()][] = $titlesAttrs[$i]['key'];
+				if ( $textVariant === $text ) {
+					continue;
 				}
+
+				$variantTitle = Title::makeTitle( $ns, $textVariant );
+				if ( is_null( $variantTitle ) ) {
+					continue;
+				}
+
+				// Self-link checking for mixed/different variant titles. At this point, we
+				// already know the exact title does not exist, so the link cannot be to a
+				// variant of the current title that exists as a separate page.
+				if ( $variantTitle->equals( $parentTitle ) && $title->getFragment() === '' ) {
+					$this->internals[$ns][$index]['selflink'] = true;
+					continue 2;
+				}
+
+				$linkBatch->addObj( $variantTitle );
+				$variantMap[$variantTitle->getPrefixedDBkey()][] = "$ns:$index";
 			}
 		}
 
@@ -513,7 +533,7 @@ class LinkHolderArray {
 			}
 		}
 
-		if( !$linkBatch->isEmpty() ) {
+		if ( !$linkBatch->isEmpty() ) {
 			// construct query
 			$dbr = wfGetDB( DB_SLAVE );
 			$varRes = $dbr->select( 'page',
@@ -532,14 +552,14 @@ class LinkHolderArray {
 				$vardbk = $variantTitle->getDBkey();
 
 				$holderKeys = array();
-				if( isset( $variantMap[$varPdbk] ) ) {
+				if ( isset( $variantMap[$varPdbk] ) ) {
 					$holderKeys = $variantMap[$varPdbk];
 					$linkCache->addGoodLinkObjFromRow( $variantTitle, $s );
 					$output->addLink( $variantTitle, $s->page_id );
 				}
 
 				// loop over link holders
-				foreach( $holderKeys as $key ) {
+				foreach ( $holderKeys as $key ) {
 					list( $ns, $index ) = explode( ':', $key, 2 );
 					$entry =& $this->internals[$ns][$index];
 					$pdbk = $entry['pdbk'];
@@ -569,12 +589,12 @@ class LinkHolderArray {
 			wfRunHooks( 'GetLinkColours', array( $linkcolour_ids, &$colours ) );
 
 			// rebuild the categories in original order (if there are replacements)
-			if( count( $varCategories ) > 0 ) {
+			if ( count( $varCategories ) > 0 ) {
 				$newCats = array();
 				$originalCats = $output->getCategories();
-				foreach( $originalCats as $cat => $sortkey ) {
+				foreach ( $originalCats as $cat => $sortkey ) {
 					// make the replacement
-					if( array_key_exists( $cat, $varCategories ) ) {
+					if ( array_key_exists( $cat, $varCategories ) ) {
 						$newCats[$varCategories[$cat]] = $sortkey;
 					} else {
 						$newCats[$cat] = $sortkey;
@@ -614,13 +634,13 @@ class LinkHolderArray {
 	function replaceTextCallback( $matches ) {
 		$type = $matches[1];
 		$key = $matches[2];
-		if( $type == 'LINK' ) {
+		if ( $type == 'LINK' ) {
 			list( $ns, $index ) = explode( ':', $key, 2 );
-			if( isset( $this->internals[$ns][$index]['text'] ) ) {
+			if ( isset( $this->internals[$ns][$index]['text'] ) ) {
 				return $this->internals[$ns][$index]['text'];
 			}
-		} elseif( $type == 'IWLINK' ) {
-			if( isset( $this->interwikis[$key]['text'] ) ) {
+		} elseif ( $type == 'IWLINK' ) {
+			if ( isset( $this->interwikis[$key]['text'] ) ) {
 				return $this->interwikis[$key]['text'];
 			}
 		}
diff --git a/includes/parser/Parser.php b/includes/parser/Parser.php
index 5ef0bc71..1f14223d 100644
--- a/includes/parser/Parser.php
+++ b/includes/parser/Parser.php
@@ -28,7 +28,7 @@
 /**
  * PHP Parser - Processes wiki markup (which uses a more user-friendly
  * syntax, such as "[[link]]" for making links), and provides a one-way
- * transformation of that wiki markup it into XHTML output / markup
+ * transformation of that wiki markup it into (X)HTML output / markup
  * (which in turn the browser understands, and can display).
  *
  * There are seven main entry points into the Parser class:
@@ -54,7 +54,6 @@
  * @warning $wgUser or $wgTitle or $wgRequest or $wgLang. Keep them away!
  *
  * @par Settings:
- * $wgLocaltimezone
  * $wgNamespacesWithSubpages
  *
  * @par Settings only within ParserOptions:
@@ -116,6 +115,10 @@ class Parser {
 	# Marker Suffix needs to be accessible staticly.
 	const MARKER_SUFFIX = "-QINU\x7f";
 
+	# Markers used for wrapping the table of contents
+	const TOC_START = '<mw:toc>';
+	const TOC_END = '</mw:toc>';
+
 	# Persistent:
 	var $mTagHooks = array();
 	var $mTransparentTagHooks = array();
@@ -192,7 +195,9 @@ class Parser {
 	var $mRevisionId;   # ID to display in {{REVISIONID}} tags
 	var $mRevisionTimestamp; # The timestamp of the specified revision ID
 	var $mRevisionUser; # User to display in {{REVISIONUSER}} tag
+	var $mRevisionSize; # Size to display in {{REVISIONSIZE}} variable
 	var $mRevIdForTs;   # The revision ID which was used to fetch the timestamp
+	var $mInputSize = false; # For {{PAGESIZE}} on current page.
 
 	/**
 	 * @var string
@@ -218,8 +223,8 @@ class Parser {
 			self::EXT_LINK_URL_CLASS . '+)\p{Zs}*([^\]\\x00-\\x08\\x0a-\\x1F]*?)\]/Su';
 		if ( isset( $conf['preprocessorClass'] ) ) {
 			$this->mPreprocessorClass = $conf['preprocessorClass'];
-		} elseif ( defined( 'MW_COMPILED' ) ) {
-			# Preprocessor_Hash is much faster than Preprocessor_DOM in compiled mode
+		} elseif ( defined( 'HPHP_VERSION' ) ) {
+			# Preprocessor_Hash is much faster than Preprocessor_DOM under HipHop
 			$this->mPreprocessorClass = 'Preprocessor_Hash';
 		} elseif ( extension_loaded( 'domxml' ) ) {
 			# PECL extension that conflicts with the core DOM extension (bug 13770)
@@ -292,7 +297,7 @@ class Parser {
 		$this->mLinkHolders = new LinkHolderArray( $this );
 		$this->mLinkID = 0;
 		$this->mRevisionObject = $this->mRevisionTimestamp =
-			$this->mRevisionId = $this->mRevisionUser = null;
+			$this->mRevisionId = $this->mRevisionUser = $this->mRevisionSize = null;
 		$this->mVarCache = array();
 		$this->mUser = null;
 		$this->mLangLinkLanguages = array();
@@ -354,13 +359,18 @@ class Parser {
 		 * to internalParse() which does all the real work.
 		 */
 
-		global $wgUseTidy, $wgAlwaysUseTidy;
+		global $wgUseTidy, $wgAlwaysUseTidy, $wgShowHostnames;
 		$fname = __METHOD__ . '-' . wfGetCaller();
 		wfProfileIn( __METHOD__ );
 		wfProfileIn( $fname );
 
 		$this->startParse( $title, $options, self::OT_HTML, $clearState );
 
+		$this->mInputSize = strlen( $text );
+		if ( $this->mOptions->getEnableLimitReport() ) {
+			$this->mOutput->resetParseStartTime();
+		}
+
 		# Remove the strip marker tag prefix from the input, if present.
 		if ( $clearState ) {
 			$text = str_replace( $this->mUniqPrefix, '', $text );
@@ -370,11 +380,13 @@ class Parser {
 		$oldRevisionObject = $this->mRevisionObject;
 		$oldRevisionTimestamp = $this->mRevisionTimestamp;
 		$oldRevisionUser = $this->mRevisionUser;
+		$oldRevisionSize = $this->mRevisionSize;
 		if ( $revid !== null ) {
 			$this->mRevisionId = $revid;
 			$this->mRevisionObject = null;
 			$this->mRevisionTimestamp = null;
 			$this->mRevisionUser = null;
+			$this->mRevisionSize = null;
 		}
 
 		wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
@@ -490,22 +502,67 @@ class Parser {
 		# Information on include size limits, for the benefit of users who try to skirt them
 		if ( $this->mOptions->getEnableLimitReport() ) {
 			$max = $this->mOptions->getMaxIncludeSize();
-			$PFreport = "Expensive parser function count: {$this->mExpensiveFunctionCount}/{$this->mOptions->getExpensiveParserFunctionLimit()}\n";
-			$limitReport =
-				"NewPP limit report\n" .
-				"Preprocessor visited node count: {$this->mPPNodeCount}/{$this->mOptions->getMaxPPNodeCount()}\n" .
-				"Preprocessor generated node count: " .
-					"{$this->mGeneratedPPNodeCount}/{$this->mOptions->getMaxGeneratedPPNodeCount()}\n" .
-				"Post-expand include size: {$this->mIncludeSizes['post-expand']}/$max bytes\n" .
-				"Template argument size: {$this->mIncludeSizes['arg']}/$max bytes\n" .
-				"Highest expansion depth: {$this->mHighestExpansionDepth}/{$this->mOptions->getMaxPPExpandDepth()}\n" .
-				$PFreport;
+
+			$cpuTime = $this->mOutput->getTimeSinceStart( 'cpu' );
+			if ( $cpuTime !== null ) {
+				$this->mOutput->setLimitReportData( 'limitreport-cputime',
+					sprintf( "%.3f", $cpuTime )
+				);
+			}
+
+			$wallTime = $this->mOutput->getTimeSinceStart( 'wall' );
+			$this->mOutput->setLimitReportData( 'limitreport-walltime',
+				sprintf( "%.3f", $wallTime )
+			);
+
+			$this->mOutput->setLimitReportData( 'limitreport-ppvisitednodes',
+				array( $this->mPPNodeCount, $this->mOptions->getMaxPPNodeCount() )
+			);
+			$this->mOutput->setLimitReportData( 'limitreport-ppgeneratednodes',
+				array( $this->mGeneratedPPNodeCount, $this->mOptions->getMaxGeneratedPPNodeCount() )
+			);
+			$this->mOutput->setLimitReportData( 'limitreport-postexpandincludesize',
+				array( $this->mIncludeSizes['post-expand'], $max )
+			);
+			$this->mOutput->setLimitReportData( 'limitreport-templateargumentsize',
+				array( $this->mIncludeSizes['arg'], $max )
+			);
+			$this->mOutput->setLimitReportData( 'limitreport-expansiondepth',
+				array( $this->mHighestExpansionDepth, $this->mOptions->getMaxPPExpandDepth() )
+			);
+			$this->mOutput->setLimitReportData( 'limitreport-expensivefunctioncount',
+				array( $this->mExpensiveFunctionCount, $this->mOptions->getExpensiveParserFunctionLimit() )
+			);
+			wfRunHooks( 'ParserLimitReportPrepare', array( $this, $this->mOutput ) );
+
+			$limitReport = "NewPP limit report\n";
+			if ( $wgShowHostnames ) {
+				$limitReport .= 'Parsed by ' . wfHostname() . "\n";
+			}
+			foreach ( $this->mOutput->getLimitReportData() as $key => $value ) {
+				if ( wfRunHooks( 'ParserLimitReportFormat',
+					array( $key, $value, &$limitReport, false, false )
+				) ) {
+					$keyMsg = wfMessage( $key )->inLanguage( 'en' )->useDatabase( false );
+					$valueMsg = wfMessage( array( "$key-value-text", "$key-value" ) )
+						->inLanguage( 'en' )->useDatabase( false );
+					if ( !$valueMsg->exists() ) {
+						$valueMsg = new RawMessage( '$1' );
+					}
+					if ( !$keyMsg->isDisabled() && !$valueMsg->isDisabled() ) {
+						$valueMsg->params( $value );
+						$limitReport .= "{$keyMsg->text()}: {$valueMsg->text()}\n";
+					}
+				}
+			}
+			// Since we're not really outputting HTML, decode the entities and
+			// then re-encode the things that need hiding inside HTML comments.
+			$limitReport = htmlspecialchars_decode( $limitReport );
 			wfRunHooks( 'ParserLimitReport', array( $this, &$limitReport ) );
 
 			// Sanitize for comment. Note '‐' in the replacement is U+2010,
 			// which looks much like the problematic '-'.
 			$limitReport = str_replace( array( '-', '&' ), array( '‐', '&amp;' ), $limitReport );
-
 			$text .= "\n<!-- \n$limitReport-->\n";
 
 			if ( $this->mGeneratedPPNodeCount > $this->mOptions->getMaxGeneratedPPNodeCount() / 10 ) {
@@ -519,6 +576,8 @@ class Parser {
 		$this->mRevisionObject = $oldRevisionObject;
 		$this->mRevisionTimestamp = $oldRevisionTimestamp;
 		$this->mRevisionUser = $oldRevisionUser;
+		$this->mRevisionSize = $oldRevisionSize;
+		$this->mInputSize = false;
 		wfProfileOut( $fname );
 		wfProfileOut( __METHOD__ );
 
@@ -536,7 +595,7 @@ class Parser {
 	 *
 	 * @return string
 	 */
-	function recursiveTagParse( $text, $frame=false ) {
+	function recursiveTagParse( $text, $frame = false ) {
 		wfProfileIn( __METHOD__ );
 		wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
 		wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
@@ -769,9 +828,9 @@ class Parser {
 
 		if ( $target !== null ) {
 			return $target;
-		} elseif( $this->mOptions->getInterfaceMessage() ) {
+		} elseif ( $this->mOptions->getInterfaceMessage() ) {
 			return $this->mOptions->getUserLangObj();
-		} elseif( is_null( $this->mTitle ) ) {
+		} elseif ( is_null( $this->mTitle ) ) {
 			throw new MWException( __METHOD__ . ': $this->mTitle is null' );
 		}
 
@@ -1256,8 +1315,8 @@ class Parser {
 				'x' => 'X',
 			));
 			$titleObj = SpecialPage::getTitleFor( 'Booksources', $num );
-			return'<a href="' .
-				htmlspecialchars( $titleObj->getLocalUrl() ) .
+			return '<a href="' .
+				htmlspecialchars( $titleObj->getLocalURL() ) .
 				"\" class=\"internal mw-magiclink-isbn\">ISBN $isbn</a>";
 		} else {
 			return $m[0];
@@ -1366,165 +1425,186 @@ class Parser {
 	 */
 	public function doQuotes( $text ) {
 		$arr = preg_split( "/(''+)/", $text, -1, PREG_SPLIT_DELIM_CAPTURE );
-		if ( count( $arr ) == 1 ) {
+		$countarr = count( $arr );
+		if ( $countarr == 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.
-			$numbold = 0;
-			$numitalics = 0;
-			for ( $i = 0; $i < count( $arr ); $i++ ) {
-				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] = "'''";
-					} elseif ( strlen( $arr[$i] ) > 5 ) {
-						# If there are more than 5 apostrophes in a row, assume they're all
-						# text except for the last 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++;
-					} elseif ( strlen( $arr[$i] ) == 3 ) {
-						$numbold++;
-					} elseif ( strlen( $arr[$i] ) == 5 ) {
-						$numitalics++;
-						$numbold++;
-					}
-				}
+		}
+
+		// 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.
+		$numbold = 0;
+		$numitalics = 0;
+		for ( $i = 1; $i < $countarr; $i += 2 ) {
+			$thislen = strlen( $arr[$i] );
+			// If there are ever four apostrophes, assume the first is supposed to
+			// be text, and the remaining three constitute mark-up for bold text.
+			// (bug 13227: ''''foo'''' turns into ' ''' foo ' ''')
+			if ( $thislen == 4 ) {
+				$arr[$i - 1] .= "'";
+				$arr[$i] = "'''";
+				$thislen = 3;
+			} elseif ( $thislen > 5 ) {
+				// If there are more than 5 apostrophes in a row, assume they're all
+				// text except for the last 5.
+				// (bug 13227: ''''''foo'''''' turns into ' ''''' foo ' ''''')
+				$arr[$i - 1] .= str_repeat( "'", $thislen - 5 );
+				$arr[$i] = "'''''";
+				$thislen = 5;
 			}
+			// Count the number of occurrences of bold and italics mark-ups.
+			if ( $thislen == 2 ) {
+				$numitalics++;
+			} elseif ( $thislen == 3 ) {
+				$numbold++;
+			} elseif ( $thislen == 5 ) {
+				$numitalics++;
+				$numbold++;
+			}
+		}
 
-			# 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;
-							}
-						} elseif ( $x2 === ' ' ) {
-							if ( $firstsingleletterword == -1 ) {
-								$firstsingleletterword = $i;
-							}
-						} else {
-							if ( $firstmultiletterword == -1 ) {
-								$firstmultiletterword = $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 ) ) {
+			$firstsingleletterword = -1;
+			$firstmultiletterword = -1;
+			$firstspace = -1;
+			for ( $i = 1; $i < $countarr; $i += 2 ) {
+				if ( strlen( $arr[$i] ) == 3 ) {
+					$x1 = substr( $arr[$i - 1], -1 );
+					$x2 = substr( $arr[$i - 1], -2, 1 );
+					if ( $x1 === ' ' ) {
+						if ( $firstspace == -1 ) {
+							$firstspace = $i;
+						}
+					} elseif ( $x2 === ' ' ) {
+						if ( $firstsingleletterword == -1 ) {
+							$firstsingleletterword = $i;
+							// if $firstsingleletterword is set, we don't
+							// look at the other options, so we can bail early.
+							break;
+						}
+					} else {
+						if ( $firstmultiletterword == -1 ) {
+							$firstmultiletterword = $i;
 						}
 					}
-					$i++;
 				}
+			}
 
-				# If there is a single-letter word, use it!
-				if ( $firstsingleletterword > -1 ) {
-					$arr[$firstsingleletterword] = "''";
-					$arr[$firstsingleletterword-1] .= "'";
-				} elseif ( $firstmultiletterword > -1 ) {
-					# If not, but there's a multi-letter word, use that one.
-					$arr[$firstmultiletterword] = "''";
-					$arr[$firstmultiletterword-1] .= "'";
-				} elseif ( $firstspace > -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)
-					$arr[$firstspace] = "''";
-					$arr[$firstspace-1] .= "'";
-				}
+			// If there is a single-letter word, use it!
+			if ( $firstsingleletterword > -1 ) {
+				$arr[$firstsingleletterword] = "''";
+				$arr[$firstsingleletterword - 1] .= "'";
+			} elseif ( $firstmultiletterword > -1 ) {
+				// If not, but there's a multi-letter word, use that one.
+				$arr[$firstmultiletterword] = "''";
+				$arr[$firstmultiletterword - 1] .= "'";
+			} elseif ( $firstspace > -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)
+				$arr[$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;
-					}
+		// 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 {
-					if ( strlen( $r ) == 2 ) {
-						if ( $state === 'i' ) {
-							$output .= '</i>'; $state = '';
-						} elseif ( $state === 'bi' ) {
-							$output .= '</i>'; $state = 'b';
-						} elseif ( $state === 'ib' ) {
-							$output .= '</b></i><b>'; $state = 'b';
-						} elseif ( $state === 'both' ) {
-							$output .= '<b><i>' . $buffer . '</i>'; $state = 'b';
-						} else { # $state can be 'b' or ''
-							$output .= '<i>'; $state .= 'i';
-						}
-					} elseif ( strlen( $r ) == 3 ) {
-						if ( $state === 'b' ) {
-							$output .= '</b>'; $state = '';
-						} elseif ( $state === 'bi' ) {
-							$output .= '</i></b><i>'; $state = 'i';
-						} elseif ( $state === 'ib' ) {
-							$output .= '</b>'; $state = 'i';
-						} elseif ( $state === 'both' ) {
-							$output .= '<i><b>' . $buffer . '</b>'; $state = 'i';
-						} else { # $state can be 'i' or ''
-							$output .= '<b>'; $state .= 'b';
-						}
-					} elseif ( strlen( $r ) == 5 ) {
-						if ( $state === 'b' ) {
-							$output .= '</b><i>'; $state = 'i';
-						} elseif ( $state === 'i' ) {
-							$output .= '</i><b>'; $state = 'b';
-						} elseif ( $state === 'bi' ) {
-							$output .= '</i></b>'; $state = '';
-						} elseif ( $state === 'ib' ) {
-							$output .= '</b></i>'; $state = '';
-						} elseif ( $state === 'both' ) {
-							$output .= '<i><b>' . $buffer . '</b></i>'; $state = '';
-						} else { # ($state == '')
-							$buffer = ''; $state = 'both';
-						}
+					$output .= $r;
+				}
+			} else {
+				$thislen = strlen( $r );
+				if ( $thislen == 2 ) {
+					if ( $state === 'i' ) {
+						$output .= '</i>';
+						$state = '';
+					} elseif ( $state === 'bi' ) {
+						$output .= '</i>';
+						$state = 'b';
+					} elseif ( $state === 'ib' ) {
+						$output .= '</b></i><b>';
+						$state = 'b';
+					} elseif ( $state === 'both' ) {
+						$output .= '<b><i>' . $buffer . '</i>';
+						$state = 'b';
+					} else { // $state can be 'b' or ''
+						$output .= '<i>';
+						$state .= 'i';
+					}
+				} elseif ( $thislen == 3 ) {
+					if ( $state === 'b' ) {
+						$output .= '</b>';
+						$state = '';
+					} elseif ( $state === 'bi' ) {
+						$output .= '</i></b><i>';
+						$state = 'i';
+					} elseif ( $state === 'ib' ) {
+						$output .= '</b>';
+						$state = 'i';
+					} elseif ( $state === 'both' ) {
+						$output .= '<i><b>' . $buffer . '</b>';
+						$state = 'i';
+					} else { // $state can be 'i' or ''
+						$output .= '<b>';
+						$state .= 'b';
+					}
+				} elseif ( $thislen == 5 ) {
+					if ( $state === 'b' ) {
+						$output .= '</b><i>';
+						$state = 'i';
+					} elseif ( $state === 'i' ) {
+						$output .= '</i><b>';
+						$state = 'b';
+					} elseif ( $state === 'bi' ) {
+						$output .= '</i></b>';
+						$state = '';
+					} elseif ( $state === 'ib' ) {
+						$output .= '</b></i>';
+						$state = '';
+					} elseif ( $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>';
-			}
-			# There might be lonely ''''', so make sure we have a buffer
-			if ( $state === 'both' && $buffer ) {
-				$output .= '<b><i>' . $buffer . '</i></b>';
-			}
-			return $output;
+			$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>';
+		}
+		// There might be lonely ''''', so make sure we have a buffer
+		if ( $state === 'both' && $buffer ) {
+			$output .= '<b><i>' . $buffer . '</i></b>';
 		}
+		return $output;
 	}
 
 	/**
 	 * Replace external links (REL)
 	 *
 	 * 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.
+	 * Make sure to run tests/parserTests.php if you change this code.
 	 *
 	 * @private
 	 *
@@ -1538,12 +1618,13 @@ class Parser {
 
 		$bits = preg_split( $this->mExtLinkBracketedRegex, $text, -1, PREG_SPLIT_DELIM_CAPTURE );
 		if ( $bits === false ) {
+			wfProfileOut( __METHOD__ );
 			throw new MWException( "PCRE needs to be compiled with --enable-unicode-properties in order for MediaWiki to function" );
 		}
 		$s = array_shift( $bits );
 
 		$i = 0;
-		while ( $i<count( $bits ) ) {
+		while ( $i < count( $bits ) ) {
 			$url = $bits[$i++];
 			$i++; // protocol
 			$text = $bits[$i++];
@@ -2036,16 +2117,12 @@ class Parser {
 				}
 			}
 
-			# Self-link checking
-			if ( $nt->getFragment() === '' && $ns != NS_SPECIAL ) {
-				if ( $nt->equals( $this->mTitle ) || ( !$nt->isKnown() && in_array(
-					$this->mTitle->getPrefixedText(),
-					$this->getConverterLanguage()->autoConvertToAllVariants( $nt->getPrefixedText() ),
-					true
-				) ) ) {
-					$s .= $prefix . Linker::makeSelfLinkObj( $nt, $text, '', $trail );
-					continue;
-				}
+			# Self-link checking. For some languages, variants of the title are checked in
+			# LinkHolderArray::doVariants() to allow batching the existence checks necessary
+			# for linking to a different variant.
+			if ( $ns != NS_SPECIAL && $nt->equals( $this->mTitle ) && $nt->getFragment() === '' ) {
+				$s .= $prefix . Linker::makeSelfLinkObj( $nt, $text, '', $trail );
+				continue;
 			}
 
 			# NS_MEDIA is a pseudo-namespace for linking directly to a file
@@ -2159,7 +2236,7 @@ class Parser {
 	function closeParagraph() {
 		$result = '';
 		if ( $this->mLastSection != '' ) {
-			$result = '</' . $this->mLastSection  . ">\n";
+			$result = '</' . $this->mLastSection . ">\n";
 		}
 		$this->mInPre = false;
 		$this->mLastSection = '';
@@ -2204,13 +2281,13 @@ class Parser {
 		$result = $this->closeParagraph();
 
 		if ( '*' === $char ) {
-			$result .= '<ul><li>';
+			$result .= "<ul>\n<li>";
 		} elseif ( '#' === $char ) {
-			$result .= '<ol><li>';
+			$result .= "<ol>\n<li>";
 		} elseif ( ':' === $char ) {
-			$result .= '<dl><dd>';
+			$result .= "<dl>\n<dd>";
 		} elseif ( ';' === $char ) {
-			$result .= '<dl><dt>';
+			$result .= "<dl>\n<dt>";
 			$this->mDTopen = true;
 		} else {
 			$result = '<!-- ERR 1 -->';
@@ -2228,11 +2305,11 @@ class Parser {
 	 */
 	function nextItem( $char ) {
 		if ( '*' === $char || '#' === $char ) {
-			return '</li><li>';
+			return "</li>\n<li>";
 		} elseif ( ':' === $char || ';' === $char ) {
-			$close = '</dd>';
+			$close = "</dd>\n";
 			if ( $this->mDTopen ) {
-				$close = '</dt>';
+				$close = "</dt>\n";
 			}
 			if ( ';' === $char ) {
 				$this->mDTopen = true;
@@ -2254,15 +2331,15 @@ class Parser {
 	 */
 	function closeList( $char ) {
 		if ( '*' === $char ) {
-			$text = '</li></ul>';
+			$text = "</li>\n</ul>";
 		} elseif ( '#' === $char ) {
-			$text = '</li></ol>';
+			$text = "</li>\n</ol>";
 		} elseif ( ':' === $char ) {
 			if ( $this->mDTopen ) {
 				$this->mDTopen = false;
-				$text = '</dt></dl>';
+				$text = "</dt>\n</dl>";
 			} else {
-				$text = '</dd></dl>';
+				$text = "</dd>\n</dl>";
 			}
 		} else {
 			return '<!-- ERR 3 -->';
@@ -2292,6 +2369,7 @@ class Parser {
 		$this->mDTopen = $inBlockElem = false;
 		$prefixLength = 0;
 		$paragraphStack = false;
+		$inBlockquote = false;
 
 		foreach ( $textLines as $oLine ) {
 			# Fix up $linestart
@@ -2354,13 +2432,13 @@ class Parser {
 
 				# Close all the prefixes which aren't shared.
 				while ( $commonPrefixLength < $lastPrefixLength ) {
-					$output .= $this->closeList( $lastPrefix[$lastPrefixLength-1] );
+					$output .= $this->closeList( $lastPrefix[$lastPrefixLength - 1] );
 					--$lastPrefixLength;
 				}
 
 				# Continue the current prefix if appropriate.
 				if ( $prefixLength <= $commonPrefixLength && $commonPrefixLength > 0 ) {
-					$output .= $this->nextItem( $prefix[$commonPrefixLength-1] );
+					$output .= $this->nextItem( $prefix[$commonPrefixLength - 1] );
 				}
 
 				# Open prefixes where appropriate.
@@ -2385,10 +2463,10 @@ class Parser {
 				wfProfileIn( __METHOD__ . "-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|<dl|<li|<\\/tr|<\\/td|<\\/th)/iS', $t );
+				$openmatch = preg_match( '/(?:<table|<h1|<h2|<h3|<h4|<h5|<h6|<pre|<tr|<p|<ul|<ol|<dl|<li|<\\/tr|<\\/td|<\\/th)/iS', $t );
 				$closematch = preg_match(
-					'/(?:<\\/table|<\\/blockquote|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|'.
-					'<td|<th|<\\/?div|<hr|<\\/pre|<\\/p|'.$this->mUniqPrefix . '-pre|<\\/li|<\\/ul|<\\/ol|<\\/dl|<\\/?center)/iS', $t );
+					'/(?:<\\/table|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|' .
+					'<td|<th|<\\/?blockquote|<\\/?div|<hr|<\\/pre|<\\/p|<\\/mw:|' . $this->mUniqPrefix . '-pre|<\\/li|<\\/ul|<\\/ol|<\\/dl|<\\/?center)/iS', $t );
 				if ( $openmatch or $closematch ) {
 					$paragraphStack = false;
 					# TODO bug 5718: paragraph closed
@@ -2396,9 +2474,14 @@ class Parser {
 					if ( $preOpenMatch and !$preCloseMatch ) {
 						$this->mInPre = true;
 					}
+					$bqOffset = 0;
+					while ( preg_match( '/<(\\/?)blockquote[\s>]/i', $t, $bqMatch, PREG_OFFSET_CAPTURE, $bqOffset ) ) {
+						$inBlockquote = !$bqMatch[1][0]; // is this a close tag?
+						$bqOffset = $bqMatch[0][1] + strlen( $bqMatch[0][0] );
+					}
 					$inBlockElem = !$closematch;
 				} elseif ( !$inBlockElem && !$this->mInPre ) {
-					if ( ' ' == substr( $t, 0, 1 ) and ( $this->mLastSection === 'pre' || trim( $t ) != '' ) ) {
+					if ( ' ' == substr( $t, 0, 1 ) and ( $this->mLastSection === 'pre' || trim( $t ) != '' ) and !$inBlockquote ) {
 						# pre
 						if ( $this->mLastSection !== 'pre' ) {
 							$paragraphStack = false;
@@ -2445,7 +2528,7 @@ class Parser {
 			}
 		}
 		while ( $prefixLength ) {
-			$output .= $this->closeList( $prefix2[$prefixLength-1] );
+			$output .= $this->closeList( $prefix2[$prefixLength - 1] );
 			--$prefixLength;
 		}
 		if ( $this->mLastSection != '' ) {
@@ -2481,7 +2564,7 @@ class Parser {
 		if ( $lt === false || $lt > $pos ) {
 			# Easy; no tag nesting to worry about
 			$before = substr( $str, 0, $pos );
-			$after = substr( $str, $pos+1 );
+			$after = substr( $str, $pos + 1 );
 			wfProfileOut( __METHOD__ );
 			return $pos;
 		}
@@ -2490,13 +2573,13 @@ class Parser {
 		$state = self::COLON_STATE_TEXT;
 		$stack = 0;
 		$len = strlen( $str );
-		for( $i = 0; $i < $len; $i++ ) {
+		for ( $i = 0; $i < $len; $i++ ) {
 			$c = $str[$i];
 
-			switch( $state ) {
+			switch ( $state ) {
 			# (Using the number is a performance hack for common cases)
 			case 0: # self::COLON_STATE_TEXT:
-				switch( $c ) {
+				switch ( $c ) {
 				case "<":
 					# Could be either a <start> tag or an </end> tag
 					$state = self::COLON_STATE_TAGSTART;
@@ -2541,7 +2624,7 @@ class Parser {
 				break;
 			case 1: # self::COLON_STATE_TAG:
 				# In a <tag>
-				switch( $c ) {
+				switch ( $c ) {
 				case ">":
 					$stack++;
 					$state = self::COLON_STATE_TEXT;
@@ -2555,7 +2638,7 @@ class Parser {
 				}
 				break;
 			case 2: # self::COLON_STATE_TAGSTART:
-				switch( $c ) {
+				switch ( $c ) {
 				case "/":
 					$state = self::COLON_STATE_CLOSETAG;
 					break;
@@ -2611,6 +2694,7 @@ class Parser {
 				}
 				break;
 			default:
+				wfProfileOut( __METHOD__ );
 				throw new MWException( "State machine error in " . __METHOD__ );
 			}
 		}
@@ -2660,71 +2744,50 @@ class Parser {
 		$ts = wfTimestamp( TS_UNIX, $this->mOptions->getTimestamp() );
 		wfRunHooks( 'ParserGetVariableValueTs', array( &$this, &$ts ) );
 
-		# Use the time zone
-		global $wgLocaltimezone;
-		if ( isset( $wgLocaltimezone ) ) {
-			$oldtz = date_default_timezone_get();
-			date_default_timezone_set( $wgLocaltimezone );
-		}
-
-		$localTimestamp = date( 'YmdHis', $ts );
-		$localMonth = date( 'm', $ts );
-		$localMonth1 = date( 'n', $ts );
-		$localMonthName = date( 'n', $ts );
-		$localDay = date( 'j', $ts );
-		$localDay2 = date( 'd', $ts );
-		$localDayOfWeek = date( 'w', $ts );
-		$localWeek = date( 'W', $ts );
-		$localYear = date( 'Y', $ts );
-		$localHour = date( 'H', $ts );
-		if ( isset( $wgLocaltimezone ) ) {
-			date_default_timezone_set( $oldtz );
-		}
-
 		$pageLang = $this->getFunctionLang();
 
 		switch ( $index ) {
 			case 'currentmonth':
-				$value = $pageLang->formatNum( gmdate( 'm', $ts ) );
+				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'm' ) );
 				break;
 			case 'currentmonth1':
-				$value = $pageLang->formatNum( gmdate( 'n', $ts ) );
+				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'n' ) );
 				break;
 			case 'currentmonthname':
-				$value = $pageLang->getMonthName( gmdate( 'n', $ts ) );
+				$value = $pageLang->getMonthName( MWTimestamp::getInstance( $ts )->format( 'n' ) );
 				break;
 			case 'currentmonthnamegen':
-				$value = $pageLang->getMonthNameGen( gmdate( 'n', $ts ) );
+				$value = $pageLang->getMonthNameGen( MWTimestamp::getInstance( $ts )->format( 'n' ) );
 				break;
 			case 'currentmonthabbrev':
-				$value = $pageLang->getMonthAbbreviation( gmdate( 'n', $ts ) );
+				$value = $pageLang->getMonthAbbreviation( MWTimestamp::getInstance( $ts )->format( 'n' ) );
 				break;
 			case 'currentday':
-				$value = $pageLang->formatNum( gmdate( 'j', $ts ) );
+				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'j' ) );
 				break;
 			case 'currentday2':
-				$value = $pageLang->formatNum( gmdate( 'd', $ts ) );
+				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'd' ) );
 				break;
 			case 'localmonth':
-				$value = $pageLang->formatNum( $localMonth );
+				$value = $pageLang->formatNum( MWTimestamp::getLocalInstance( $ts )->format( 'm' ) );
 				break;
 			case 'localmonth1':
-				$value = $pageLang->formatNum( $localMonth1 );
+				$value = $pageLang->formatNum( MWTimestamp::getLocalInstance( $ts )->format( 'n' ) );
 				break;
 			case 'localmonthname':
-				$value = $pageLang->getMonthName( $localMonthName );
+				$value = $pageLang->getMonthName( MWTimestamp::getLocalInstance( $ts )->format( 'n' ) );
 				break;
 			case 'localmonthnamegen':
-				$value = $pageLang->getMonthNameGen( $localMonthName );
+				$value = $pageLang->getMonthNameGen( MWTimestamp::getLocalInstance( $ts )->format( 'n' ) );
 				break;
 			case 'localmonthabbrev':
-				$value = $pageLang->getMonthAbbreviation( $localMonthName );
+				$value = $pageLang->getMonthAbbreviation( MWTimestamp::getLocalInstance( $ts )->format( 'n' ) );
 				break;
 			case 'localday':
-				$value = $pageLang->formatNum( $localDay );
+				$value = $pageLang->formatNum( MWTimestamp::getLocalInstance( $ts )->format( 'j' ) );
 				break;
 			case 'localday2':
-				$value = $pageLang->formatNum( $localDay2 );
+				$value = $pageLang->formatNum( MWTimestamp::getLocalInstance( $ts )->format( 'd' ) );
 				break;
 			case 'pagename':
 				$value = wfEscapeWikiText( $this->mTitle->getText() );
@@ -2744,6 +2807,12 @@ class Parser {
 			case 'subpagenamee':
 				$value = wfEscapeWikiText( $this->mTitle->getSubpageUrlForm() );
 				break;
+			case 'rootpagename':
+				$value = wfEscapeWikiText( $this->mTitle->getRootText() );
+				break;
+			case 'rootpagenamee':
+				$value = wfEscapeWikiText( wfUrlEncode( str_replace( ' ', '_', $this->mTitle->getRootText() ) ) );
+				break;
 			case 'basepagename':
 				$value = wfEscapeWikiText( $this->mTitle->getBaseText() );
 				break;
@@ -2761,7 +2830,7 @@ class Parser {
 			case 'talkpagenamee':
 				if ( $this->mTitle->canTalk() ) {
 					$talkPage = $this->mTitle->getTalkPage();
-					$value = wfEscapeWikiText( $talkPage->getPrefixedUrl() );
+					$value = wfEscapeWikiText( $talkPage->getPrefixedURL() );
 				} else {
 					$value = '';
 				}
@@ -2772,11 +2841,11 @@ class Parser {
 				break;
 			case 'subjectpagenamee':
 				$subjPage = $this->mTitle->getSubjectPage();
-				$value = wfEscapeWikiText( $subjPage->getPrefixedUrl() );
+				$value = wfEscapeWikiText( $subjPage->getPrefixedURL() );
 				break;
 			case 'pageid': // requested in bug 23427
-				$pageid = $this->getTitle()->getArticleId();
-				if( $pageid == 0 ) {
+				$pageid = $this->getTitle()->getArticleID();
+				if ( $pageid == 0 ) {
 					# 0 means the page doesn't exist in the database,
 					# which means the user is previewing a new page.
 					# The vary-revision flag must be set, because the magic word
@@ -2842,6 +2911,13 @@ class Parser {
 				wfDebug( __METHOD__ . ": {{REVISIONUSER}} used, setting vary-revision...\n" );
 				$value = $this->getRevisionUser();
 				break;
+			case 'revisionsize':
+				# Let the edit saving system know we should parse the page
+				# *after* a revision ID has been assigned. This is for null edits.
+				$this->mOutput->setFlag( 'vary-revision' );
+				wfDebug( __METHOD__ . ": {{REVISIONSIZE}} used, setting vary-revision...\n" );
+				$value = $this->getRevisionSize();
+				break;
 			case 'namespace':
 				$value = str_replace( '_', ' ', $wgContLang->getNsText( $this->mTitle->getNamespace() ) );
 				break;
@@ -2858,50 +2934,50 @@ class Parser {
 				$value = $this->mTitle->canTalk() ? wfUrlencode( $this->mTitle->getTalkNsText() ) : '';
 				break;
 			case 'subjectspace':
-				$value = $this->mTitle->getSubjectNsText();
+				$value = str_replace( '_', ' ', $this->mTitle->getSubjectNsText() );
 				break;
 			case 'subjectspacee':
 				$value = ( wfUrlencode( $this->mTitle->getSubjectNsText() ) );
 				break;
 			case 'currentdayname':
-				$value = $pageLang->getWeekdayName( gmdate( 'w', $ts ) + 1 );
+				$value = $pageLang->getWeekdayName( MWTimestamp::getInstance( $ts )->format( 'w' ) + 1 );
 				break;
 			case 'currentyear':
-				$value = $pageLang->formatNum( gmdate( 'Y', $ts ), true );
+				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'Y' ), true );
 				break;
 			case 'currenttime':
 				$value = $pageLang->time( wfTimestamp( TS_MW, $ts ), false, false );
 				break;
 			case 'currenthour':
-				$value = $pageLang->formatNum( gmdate( 'H', $ts ), true );
+				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'H' ), true );
 				break;
 			case 'currentweek':
 				# @bug 4594 PHP5 has it zero padded, PHP4 does not, cast to
 				# int to remove the padding
-				$value = $pageLang->formatNum( (int)gmdate( 'W', $ts ) );
+				$value = $pageLang->formatNum( (int)MWTimestamp::getInstance( $ts )->format( 'W' ) );
 				break;
 			case 'currentdow':
-				$value = $pageLang->formatNum( gmdate( 'w', $ts ) );
+				$value = $pageLang->formatNum( MWTimestamp::getInstance( $ts )->format( 'w' ) );
 				break;
 			case 'localdayname':
-				$value = $pageLang->getWeekdayName( $localDayOfWeek + 1 );
+				$value = $pageLang->getWeekdayName( MWTimestamp::getLocalInstance( $ts )->format( 'w' ) + 1 );
 				break;
 			case 'localyear':
-				$value = $pageLang->formatNum( $localYear, true );
+				$value = $pageLang->formatNum( MWTimestamp::getLocalInstance( $ts )->format( 'Y' ), true );
 				break;
 			case 'localtime':
-				$value = $pageLang->time( $localTimestamp, false, false );
+				$value = $pageLang->time( MWTimestamp::getLocalInstance( $ts )->format( 'YmdHis' ), false, false );
 				break;
 			case 'localhour':
-				$value = $pageLang->formatNum( $localHour, true );
+				$value = $pageLang->formatNum( MWTimestamp::getLocalInstance( $ts )->format( 'H' ), true );
 				break;
 			case 'localweek':
 				# @bug 4594 PHP5 has it zero padded, PHP4 does not, cast to
 				# int to remove the padding
-				$value = $pageLang->formatNum( (int)$localWeek );
+				$value = $pageLang->formatNum( (int)MWTimestamp::getLocalInstance( $ts )->format( 'W' ) );
 				break;
 			case 'localdow':
-				$value = $pageLang->formatNum( $localDayOfWeek );
+				$value = $pageLang->formatNum( MWTimestamp::getLocalInstance( $ts )->format( 'w' ) );
 				break;
 			case 'numberofarticles':
 				$value = $pageLang->formatNum( SiteStats::articles() );
@@ -2932,7 +3008,7 @@ class Parser {
 				$value = wfTimestamp( TS_MW, $ts );
 				break;
 			case 'localtimestamp':
-				$value = $localTimestamp;
+				$value = MWTimestamp::getLocalInstance( $ts )->format( 'YmdHis' );
 				break;
 			case 'currentversion':
 				$value = SpecialVersion::getVersion();
@@ -3092,7 +3168,7 @@ class Parser {
 				$assocArgs[$index++] = $arg;
 			} else {
 				$name = trim( substr( $arg, 0, $eqpos ) );
-				$value = trim( substr( $arg, $eqpos+1 ) );
+				$value = trim( substr( $arg, $eqpos + 1 ) );
 				if ( $value === false ) {
 					$value = '';
 				}
@@ -3119,6 +3195,12 @@ class Parser {
 	 *   'post-expand-template-inclusion' (corresponding messages:
 	 *       'post-expand-template-inclusion-warning',
 	 *       'post-expand-template-inclusion-category')
+	 *   'node-count-exceeded' (corresponding messages:
+	 *       'node-count-exceeded-warning',
+	 *       'node-count-exceeded-category')
+	 *   'expansion-depth-exceeded' (corresponding messages:
+	 *       'expansion-depth-exceeded-warning',
+	 *       'expansion-depth-exceeded-category')
 	 * @param int|null $current Current value
 	 * @param int|null $max Maximum allowed, when an explicit limit has been
 	 *	 exceeded, provide the values (optional)
@@ -3126,7 +3208,7 @@ class Parser {
 	function limitationWarn( $limitationType, $current = '', $max = '' ) {
 		# does no harm if $current and $max are present but are unnecessary for the message
 		$warning = wfMessage( "$limitationType-warning" )->numParams( $current, $max )
-			->inContentLanguage()->escaped();
+			->inLanguage( $this->mOptions->getUserLangObj() )->text();
 		$this->mOutput->addWarning( $warning );
 		$this->addTrackingCategory( "$limitationType-category" );
 	}
@@ -3145,7 +3227,6 @@ class Parser {
 	 * @private
 	 */
 	function braceSubstitution( $piece, $frame ) {
-		global $wgContLang;
 		wfProfileIn( __METHOD__ );
 		wfProfileIn( __METHOD__ . '-setup' );
 
@@ -3251,6 +3332,7 @@ class Parser {
 					$result = $this->callParserFunction( $frame, $func, $funcArgs );
 				} catch ( Exception $ex ) {
 					wfProfileOut( __METHOD__ . '-pfunc' );
+					wfProfileOut( __METHOD__ );
 					throw $ex;
 				}
 
@@ -3268,8 +3350,9 @@ class Parser {
 			$ns = NS_TEMPLATE;
 			# Split the title into page and subpage
 			$subpage = '';
-			$part1 = $this->maybeDoSubpageLink( $part1, $subpage );
-			if ( $subpage !== '' ) {
+			$relative = $this->maybeDoSubpageLink( $part1, $subpage );
+			if ( $part1 !== $relative ) {
+				$part1 = $relative;
 				$ns = $this->mTitle->getNamespace();
 			}
 			$title = Title::newFromText( $part1, $ns );
@@ -3295,7 +3378,7 @@ class Parser {
 		if ( !$found && $title ) {
 			if ( !Profiler::instance()->isPersistent() ) {
 				# Too many unique items can kill profiling DBs/collectors
-				$titleProfileIn = __METHOD__ . "-title-" . $title->getDBKey();
+				$titleProfileIn = __METHOD__ . "-title-" . $title->getPrefixedDBkey();
 				wfProfileIn( $titleProfileIn ); // template in
 			}
 			wfProfileIn( __METHOD__ . '-loadtpl' );
@@ -3598,7 +3681,7 @@ class Parser {
 		}
 
 		$dom = $this->preprocessToDom( $text, self::PTD_FOR_INCLUSION );
-		$this->mTplDomCache[ $titleText ] = $dom;
+		$this->mTplDomCache[$titleText] = $dom;
 
 		if ( !$title->equals( $cacheTitle ) ) {
 			$this->mTplRedirCache[$cacheTitle->getPrefixedDBkey()] =
@@ -3621,6 +3704,11 @@ class Parser {
 		if ( isset( $stuff['deps'] ) ) {
 			foreach ( $stuff['deps'] as $dep ) {
 				$this->mOutput->addTemplate( $dep['title'], $dep['page_id'], $dep['rev_id'] );
+				if ( $dep['title']->equals( $this->getTitle() ) ) {
+					// If we transclude ourselves, the final result
+					// will change based on the new version of the page
+					$this->mOutput->setFlag( 'vary-revision' );
+				}
 			}
 		}
 		return array( $text, $finalTitle );
@@ -3660,9 +3748,9 @@ class Parser {
 			if ( $skip ) {
 				$text = false;
 				$deps[] = array(
-					'title' 	=> $title,
-					'page_id' 	=> $title->getArticleID(),
-					'rev_id' 	=> null
+					'title' => $title,
+					'page_id' => $title->getArticleID(),
+					'rev_id' => null
 				);
 				break;
 			}
@@ -3678,15 +3766,15 @@ class Parser {
 			}
 
 			$deps[] = array(
-				'title' 	=> $title,
-				'page_id' 	=> $title->getArticleID(),
-				'rev_id' 	=> $rev_id );
+				'title' => $title,
+				'page_id' => $title->getArticleID(),
+				'rev_id' => $rev_id );
 			if ( $rev && !$title->equals( $rev->getTitle() ) ) {
 				# We fetched a rev from a different title; register it too...
 				$deps[] = array(
-					'title' 	=> $rev->getTitle(),
-					'page_id' 	=> $rev->getPage(),
-					'rev_id' 	=> $rev_id );
+					'title' => $rev->getTitle(),
+					'page_id' => $rev->getPage(),
+					'rev_id' => $rev_id );
 			}
 
 			if ( $rev ) {
@@ -3742,13 +3830,8 @@ class Parser {
 	 * @return Array ( File or false, Title of file )
 	 */
 	function fetchFileAndTitle( $title, $options = array() ) {
-		if ( isset( $options['broken'] ) ) {
-			$file = false; // broken thumbnail forced by hook
-		} elseif ( isset( $options['sha1'] ) ) { // get by (sha1,timestamp)
-			$file = RepoGroup::singleton()->findFileFromKey( $options['sha1'], $options );
-		} else { // get by (name,timestamp)
-			$file = wfFindFile( $title, $options );
-		}
+		$file = $this->fetchFileNoRegister( $title, $options );
+
 		$time = $file ? $file->getTimestamp() : false;
 		$sha1 = $file ? $file->getSha1() : false;
 		# Register the file as a dependency...
@@ -3767,6 +3850,27 @@ class Parser {
 	}
 
 	/**
+	 * Helper function for fetchFileAndTitle.
+	 *
+	 * Also useful if you need to fetch a file but not use it yet,
+	 * for example to get the file's handler.
+	 *
+	 * @param Title $title
+	 * @param array $options Array of options to RepoGroup::findFile
+	 * @return File or false
+	 */
+	protected function fetchFileNoRegister( $title, $options = array() ) {
+		if ( isset( $options['broken'] ) ) {
+			$file = false; // broken thumbnail forced by hook
+		} elseif ( isset( $options['sha1'] ) ) { // get by (sha1,timestamp)
+			$file = RepoGroup::singleton()->findFileFromKey( $options['sha1'], $options );
+		} else { // get by (name,timestamp)
+			$file = wfFindFile( $title, $options );
+		}
+		return $file;
+	}
+
+	/**
 	 * Transclude an interwiki link.
 	 *
 	 * @param $title Title
@@ -3781,7 +3885,7 @@ class Parser {
 			return wfMessage( 'scarytranscludedisabled' )->inContentLanguage()->text();
 		}
 
-		$url = $title->getFullUrl( "action=$action" );
+		$url = $title->getFullURL( array( 'action' => $action ) );
 
 		if ( strlen( $url ) > 255 ) {
 			return wfMessage( 'scarytranscludetoolong' )->inContentLanguage()->text();
@@ -3817,8 +3921,8 @@ class Parser {
 		$dbw->replace( 'transcache', array( 'tc_url' ), array(
 			'tc_url' => $url,
 			'tc_time' => $dbw->timestamp( time() ),
-			'tc_contents' => $text)
-		);
+			'tc_contents' => $text
+		) );
 		return $text;
 	}
 
@@ -4097,8 +4201,8 @@ class Parser {
 	 * @return mixed|string
 	 * @private
 	 */
-	function formatHeadings( $text, $origText, $isMain=true ) {
-		global $wgMaxTocLevel, $wgHtml5, $wgExperimentalHtmlIds;
+	function formatHeadings( $text, $origText, $isMain = true ) {
+		global $wgMaxTocLevel, $wgExperimentalHtmlIds;
 
 		# Inhibit editsection links if requested in the page
 		if ( isset( $this->mDoubleUnderscores['noeditsection'] ) ) {
@@ -4114,7 +4218,7 @@ class Parser {
 		# 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
 		$matches = array();
-		$numMatches = preg_match_all( '/<H(?P<level>[1-6])(?P<attrib>.*?'.'>)(?P<header>.*?)<\/H[1-6] *>/i', $text, $matches );
+		$numMatches = preg_match_all( '/<H(?P<level>[1-6])(?P<attrib>.*?' . '>)\s*(?P<header>[\s\S]*?)\s*<\/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.
@@ -4176,7 +4280,7 @@ class Parser {
 				$serial = $markerMatches[1];
 				list( $titleText, $sectionIndex ) = $this->mHeadings[$serial];
 				$isTemplate = ( $titleText != $baseTitleText );
-				$headline = preg_replace( "/^$markerRegex/", "", $headline );
+				$headline = preg_replace( "/^$markerRegex\\s*/", "", $headline );
 			}
 
 			if ( $toclevel ) {
@@ -4231,7 +4335,7 @@ class Parser {
 			# count number of headlines for each level
 			$sublevelCount[$toclevel]++;
 			$dot = 0;
-			for( $i = 1; $i <= $toclevel; $i++ ) {
+			for ( $i = 1; $i <= $toclevel; $i++ ) {
 				if ( !empty( $sublevelCount[$i] ) ) {
 					if ( $dot ) {
 						$numbering .= '.';
@@ -4263,20 +4367,20 @@ class Parser {
 			# We strip any parameter from accepted tags (second regex), except dir="rtl|ltr" from <span>,
 			# to allow setting directionality in toc items.
 			$tocline = preg_replace(
-				array( '#<(?!/?(span|sup|sub|i|b)(?: [^>]*)?>).*?'.'>#', '#<(/?(?:span(?: dir="(?:rtl|ltr)")?|sup|sub|i|b))(?: .*?)?'.'>#' ),
+				array( '#<(?!/?(span|sup|sub|i|b)(?: [^>]*)?>).*?' . '>#', '#<(/?(?:span(?: dir="(?:rtl|ltr)")?|sup|sub|i|b))(?: .*?)?' . '>#' ),
 				array( '', '<$1>' ),
 				$safeHeadline
 			);
 			$tocline = trim( $tocline );
 
 			# For the anchor, strip out HTML-y stuff period
-			$safeHeadline = preg_replace( '/<.*?'.'>/', '', $safeHeadline );
+			$safeHeadline = preg_replace( '/<.*?' . '>/', '', $safeHeadline );
 			$safeHeadline = Sanitizer::normalizeSectionNameWhitespace( $safeHeadline );
 
 			# Save headline for section edit hint before it's escaped
 			$headlineHint = $safeHeadline;
 
-			if ( $wgHtml5 && $wgExperimentalHtmlIds ) {
+			if ( $wgExperimentalHtmlIds ) {
 				# For reverse compatibility, provide an id that's
 				# HTML4-compatible, like we used to.
 				#
@@ -4346,7 +4450,8 @@ class Parser {
 
 			# Add the section to the section tree
 			# Find the DOM node for this header
-			while ( $node && !$isTemplate ) {
+			$noOffset = ( $isTemplate || $sectionIndex === false );
+			while ( $node && !$noOffset ) {
 				if ( $node->getName() === 'h' ) {
 					$bits = $node->splitHeading();
 					if ( $bits['i'] == $sectionIndex ) {
@@ -4364,7 +4469,7 @@ class Parser {
 				'number' => $numbering,
 				'index' => ( $isTemplate ? 'T-' : '' ) . $sectionIndex,
 				'fromtitle' => $titleText,
-				'byteoffset' => ( $isTemplate ? null : $byteOffset ),
+				'byteoffset' => ( $noOffset ? null : $byteOffset ),
 				'anchor' => $anchor,
 			);
 
@@ -4415,6 +4520,7 @@ class Parser {
 			}
 			$toc = Linker::tocList( $toc, $this->mOptions->getUserLangObj() );
 			$this->mOutput->setTOCHTML( $toc );
+			$toc = self::TOC_START . $toc . self::TOC_END;
 		}
 
 		if ( $isMain ) {
@@ -4422,7 +4528,7 @@ class Parser {
 		}
 
 		# split up and insert constructed headlines
-		$blocks = preg_split( '/<H[1-6].*?' . '>.*?<\/H[1-6]>/i', $text );
+		$blocks = preg_split( '/<H[1-6].*?' . '>[\s\S]*?<\/H[1-6]>/i', $text );
 		$i = 0;
 
 		// build an array of document sections
@@ -4484,7 +4590,7 @@ class Parser {
 			"\r\n" => "\n",
 		);
 		$text = str_replace( array_keys( $pairs ), array_values( $pairs ), $text );
-		if( $options->getPreSaveTransform() ) {
+		if ( $options->getPreSaveTransform() ) {
 			$text = $this->pstPass2( $text, $user );
 		}
 		$text = $this->mStripState->unstripBoth( $text );
@@ -4504,7 +4610,7 @@ class Parser {
 	 * @return string
 	 */
 	function pstPass2( $text, $user ) {
-		global $wgContLang, $wgLocaltimezone;
+		global $wgContLang;
 
 		# Note: This is the timestamp saved as hardcoded wikitext to
 		# the database, we use $wgContLang here in order to give
@@ -4512,19 +4618,11 @@ class Parser {
 		# than the one selected in each user's preferences.
 		# (see also bug 12815)
 		$ts = $this->mOptions->getTimestamp();
-		if ( isset( $wgLocaltimezone ) ) {
-			$tz = $wgLocaltimezone;
-		} else {
-			$tz = date_default_timezone_get();
-		}
+		$timestamp = MWTimestamp::getLocalInstance( $ts );
+		$ts = $timestamp->format( 'YmdHis' );
+		$tzMsg = $timestamp->format( 'T' );  # might vary on DST changeover!
 
-		$unixts = wfTimestamp( TS_UNIX, $ts );
-		$oldtz = date_default_timezone_get();
-		date_default_timezone_set( $tz );
-		$ts = date( 'YmdHis', $unixts );
-		$tzMsg = date( 'T', $unixts );  # might vary on DST changeover!
-
-		# Allow translation of timezones through wiki. date() can return
+		# Allow translation of timezones through wiki. format() can return
 		# whatever crap the system uses, localised or not, so we cannot
 		# ship premade translations.
 		$key = 'timezone-' . strtolower( trim( $tzMsg ) );
@@ -4533,8 +4631,6 @@ class Parser {
 			$tzMsg = $msg->text();
 		}
 
-		date_default_timezone_set( $oldtz );
-
 		$d = $wgContLang->timeanddate( $ts, false, false ) . " ($tzMsg)";
 
 		# Variable replacement
@@ -4603,8 +4699,9 @@ class Parser {
 		$username = $user->getName();
 
 		# If not given, retrieve from the user object.
-		if ( $nickname === false )
+		if ( $nickname === false ) {
 			$nickname = $user->getOption( 'nickname' );
+		}
 
 		if ( is_null( $fancySig ) ) {
 			$fancySig = $user->getBoolOption( 'fancysig' );
@@ -4645,7 +4742,7 @@ class Parser {
 	 * @return mixed An expanded string, or false if invalid.
 	 */
 	function validateSig( $text ) {
-		return( Xml::isWellFormedXmlFragment( $text ) ? $text : false );
+		return Xml::isWellFormedXmlFragment( $text ) ? $text : false;
 	}
 
 	/**
@@ -4883,8 +4980,9 @@ class Parser {
 
 		# Add to function cache
 		$mw = MagicWord::get( $id );
-		if ( !$mw )
+		if ( !$mw ) {
 			throw new MWException( __METHOD__ . '() expecting a magic word identifier.' );
+		}
 
 		$synonyms = $mw->getSynonyms();
 		$sensitive = intval( $mw->isCaseSensitive() );
@@ -4928,7 +5026,9 @@ class Parser {
 	 */
 	function setFunctionTagHook( $tag, $callback, $flags ) {
 		$tag = strtolower( $tag );
-		if ( preg_match( '/[<>\r\n]/', $tag, $m ) ) throw new MWException( "Invalid character {$m[0]} in setFunctionTagHook('$tag', ...) call" );
+		if ( preg_match( '/[<>\r\n]/', $tag, $m ) ) {
+			throw new MWException( "Invalid character {$m[0]} in setFunctionTagHook('$tag', ...) call" );
+		}
 		$old = isset( $this->mFunctionTagHooks[$tag] ) ?
 			$this->mFunctionTagHooks[$tag] : null;
 		$this->mFunctionTagHooks[$tag] = array( $callback, $flags );
@@ -4979,7 +5079,20 @@ class Parser {
 	 * @return string HTML
 	 */
 	function renderImageGallery( $text, $params ) {
-		$ig = new ImageGallery();
+		wfProfileIn( __METHOD__ );
+
+		$mode = false;
+		if ( isset( $params['mode'] ) ) {
+			$mode = $params['mode'];
+		}
+
+		try {
+			$ig = ImageGalleryBase::factory( $mode );
+		} catch ( MWException $e ) {
+			// If invalid type set, fallback to default.
+			$ig = ImageGalleryBase::factory( false );
+		}
+
 		$ig->setContextTitle( $this->mTitle );
 		$ig->setShowBytes( false );
 		$ig->setShowFilename( false );
@@ -5007,6 +5120,7 @@ class Parser {
 		if ( isset( $params['heights'] ) ) {
 			$ig->setHeights( $params['heights'] );
 		}
+		$ig->setAdditionalOptions( $params );
 
 		wfRunHooks( 'BeforeParserrenderImageGallery', array( &$this, &$ig ) );
 
@@ -5030,38 +5144,81 @@ class Parser {
 				continue;
 			}
 
+			# We need to get what handler the file uses, to figure out parameters.
+			# Note, a hook can overide the file name, and chose an entirely different
+			# file (which potentially could be of a different type and have different handler).
+			$options = array();
+			$descQuery = false;
+			wfRunHooks( 'BeforeParserFetchFileAndTitle',
+				array( $this, $title, &$options, &$descQuery ) );
+			# Don't register it now, as ImageGallery does that later.
+			$file = $this->fetchFileNoRegister( $title, $options );
+			$handler = $file ? $file->getHandler() : false;
+
+			wfProfileIn( __METHOD__ . '-getMagicWord' );
+			$paramMap = array(
+				'img_alt' => 'gallery-internal-alt',
+				'img_link' => 'gallery-internal-link',
+			);
+			if ( $handler ) {
+				$paramMap = $paramMap + $handler->getParamMap();
+				// We don't want people to specify per-image widths.
+				// Additionally the width parameter would need special casing anyhow.
+				unset( $paramMap['img_width'] );
+			}
+
+			$mwArray = new MagicWordArray( array_keys( $paramMap ) );
+			wfProfileOut( __METHOD__ . '-getMagicWord' );
+
 			$label = '';
 			$alt = '';
 			$link = '';
+			$handlerOptions = array();
 			if ( isset( $matches[3] ) ) {
 				// look for an |alt= definition while trying not to break existing
 				// captions with multiple pipes (|) in it, until a more sensible grammar
 				// is defined for images in galleries
 
+				// FIXME: Doing recursiveTagParse at this stage, and the trim before
+				// splitting on '|' is a bit odd, and different from makeImage.
 				$matches[3] = $this->recursiveTagParse( trim( $matches[3] ) );
 				$parameterMatches = StringUtils::explode( '|', $matches[3] );
-				$magicWordAlt = MagicWord::get( 'img_alt' );
-				$magicWordLink = MagicWord::get( 'img_link' );
 
 				foreach ( $parameterMatches as $parameterMatch ) {
-					if ( $match = $magicWordAlt->matchVariableStartToEnd( $parameterMatch ) ) {
-						$alt = $this->stripAltText( $match, false );
-					}
-					elseif( $match = $magicWordLink->matchVariableStartToEnd( $parameterMatch ) ) {
-						$linkValue = strip_tags( $this->replaceLinkHoldersText( $match ) );
-						$chars = self::EXT_LINK_URL_CLASS;
-						$prots = $this->mUrlProtocols;
-						//check to see if link matches an absolute url, if not then it must be a wiki link.
-						if ( preg_match( "/^($prots)$chars+$/u", $linkValue ) ) {
-							$link = $linkValue;
-						} else {
-							$localLinkTitle = Title::newFromText( $linkValue );
-							if ( $localLinkTitle !== null ) {
-								$link = $localLinkTitle->getLocalURL();
+					list( $magicName, $match ) = $mwArray->matchVariableStartToEnd( $parameterMatch );
+					if ( $magicName ) {
+						$paramName = $paramMap[$magicName];
+
+						switch ( $paramName ) {
+						case 'gallery-internal-alt':
+							$alt = $this->stripAltText( $match, false );
+							break;
+						case 'gallery-internal-link':
+							$linkValue = strip_tags( $this->replaceLinkHoldersText( $match ) );
+							$chars = self::EXT_LINK_URL_CLASS;
+							$prots = $this->mUrlProtocols;
+							//check to see if link matches an absolute url, if not then it must be a wiki link.
+							if ( preg_match( "/^($prots)$chars+$/u", $linkValue ) ) {
+								$link = $linkValue;
+							} else {
+								$localLinkTitle = Title::newFromText( $linkValue );
+								if ( $localLinkTitle !== null ) {
+									$link = $localLinkTitle->getLocalURL();
+								}
+							}
+							break;
+						default:
+							// Must be a handler specific parameter.
+							if ( $handler->validateParam( $paramName, $match ) ) {
+								$handlerOptions[$paramName] = $match;
+							} else {
+								// Guess not. Append it to the caption.
+								wfDebug( "$parameterMatch failed parameter validation" );
+								$label .= '|' . $parameterMatch;
 							}
 						}
-					}
-					else {
+
+					} else {
 						// concatenate all other pipes
 						$label .= '|' . $parameterMatch;
 					}
@@ -5070,9 +5227,11 @@ class Parser {
 				$label = substr( $label, 1 );
 			}
 
-			$ig->add( $title, $label, $alt, $link );
+			$ig->add( $title, $label, $alt, $link, $handlerOptions );
 		}
-		return $ig->toHTML();
+		$html = $ig->toHTML();
+		wfProfileOut( __METHOD__ );
+		return $html;
 	}
 
 	/**
@@ -5187,14 +5346,14 @@ class Parser {
 				# Special case; width and height come in one variable together
 				if ( $type === 'handler' && $paramName === 'width' ) {
 					$parsedWidthParam = $this->parseWidthParam( $value );
-					if( isset( $parsedWidthParam['width'] ) ) {
+					if ( isset( $parsedWidthParam['width'] ) ) {
 						$width = $parsedWidthParam['width'];
 						if ( $handler->validateParam( 'width', $width ) ) {
 							$params[$type]['width'] = $width;
 							$validated = true;
 						}
 					}
-					if( isset( $parsedWidthParam['height'] ) ) {
+					if ( isset( $parsedWidthParam['height'] ) ) {
 						$height = $parsedWidthParam['height'];
 						if ( $handler->validateParam( 'height', $height ) ) {
 							$params[$type]['height'] = $height;
@@ -5208,7 +5367,7 @@ class Parser {
 						$validated = $handler->validateParam( $paramName, $value );
 					} else {
 						# Validate internal parameters
-						switch( $paramName ) {
+						switch ( $paramName ) {
 						case 'manualthumb':
 						case 'alt':
 						case 'class':
@@ -5646,14 +5805,14 @@ class Parser {
 	 * @return String: user name
 	 */
 	function getRevisionUser() {
-		if( is_null( $this->mRevisionUser ) ) {
+		if ( is_null( $this->mRevisionUser ) ) {
 			$revObject = $this->getRevisionObject();
 
 			# if this template is subst: the revision id will be blank,
 			# so just use the current user's name
-			if( $revObject ) {
+			if ( $revObject ) {
 				$this->mRevisionUser = $revObject->getUserText();
-			} elseif( $this->ot['wiki'] || $this->mOptions->getIsPreview() ) {
+			} elseif ( $this->ot['wiki'] || $this->mOptions->getIsPreview() ) {
 				$this->mRevisionUser = $this->getUser()->getName();
 			}
 		}
@@ -5661,6 +5820,27 @@ class Parser {
 	}
 
 	/**
+	 * Get the size of the revision
+	 *
+	 * @return int|null revision size
+	 */
+	function getRevisionSize() {
+		if ( is_null( $this->mRevisionSize ) ) {
+			$revObject = $this->getRevisionObject();
+
+			# if this variable is subst: the revision id will be blank,
+			# so just use the parser input size, because the own substituation
+			# will change the size.
+			if ( $revObject ) {
+				$this->mRevisionSize = $revObject->getSize();
+			} elseif ( $this->ot['wiki'] || $this->mOptions->getIsPreview() ) {
+				$this->mRevisionSize = $this->mInputSize;
+			}
+		}
+		return $this->mRevisionSize;
+	}
+
+	/**
 	 * Mutator for $mDefaultSort
 	 *
 	 * @param string $sort New value
@@ -5933,7 +6113,7 @@ class Parser {
 	 */
 	public function parseWidthParam( $value ) {
 		$parsedWidthParam = array();
-		if( $value === '' ) {
+		if ( $value === '' ) {
 			return $parsedWidthParam;
 		}
 		$m = array();
diff --git a/includes/parser/ParserCache.php b/includes/parser/ParserCache.php
index 0faa40a8..7053f134 100644
--- a/includes/parser/ParserCache.php
+++ b/includes/parser/ParserCache.php
@@ -67,7 +67,7 @@ class ParserCache {
 
 		// idhash seem to mean 'page id' + 'rendering hash' (r3710)
 		$pageid = $article->getID();
-		$renderkey = (int)($wgRequest->getVal( 'action' ) == 'render');
+		$renderkey = (int)( $wgRequest->getVal( 'action' ) == 'render' );
 
 		$key = wfMemcKey( 'pcache', 'idhash', "{$pageid}-{$renderkey}!{$hash}" );
 		return $key;
@@ -128,7 +128,7 @@ class ParserCache {
 	public function getKey( $article, $popts, $useOutdated = true ) {
 		global $wgCacheEpoch;
 
-		if( $popts instanceof User ) {
+		if ( $popts instanceof User ) {
 			wfWarn( "Use of outdated prototype ParserCache::getKey( &\$article, &\$user )\n" );
 			$popts = ParserOptions::newFromUser( $popts );
 		}
@@ -223,19 +223,19 @@ class ParserCache {
 	 * @param $parserOutput ParserOutput
 	 * @param $article Article
 	 * @param $popts ParserOptions
+	 * @param $cacheTime Time when the cache was generated
 	 */
-	public function save( $parserOutput, $article, $popts ) {
+	public function save( $parserOutput, $article, $popts, $cacheTime = null ) {
 		$expire = $parserOutput->getCacheExpiry();
-
-		if( $expire > 0 ) {
-			$now = wfTimestampNow();
+		if ( $expire > 0 ) {
+			$cacheTime = $cacheTime ?: wfTimestampNow();
 
 			$optionsKey = new CacheTime;
 			$optionsKey->mUsedOptions = $parserOutput->getUsedOptions();
 			$optionsKey->updateCacheExpiry( $expire );
 
-			$optionsKey->setCacheTime( $now );
-			$parserOutput->setCacheTime( $now );
+			$optionsKey->setCacheTime( $cacheTime );
+			$parserOutput->setCacheTime( $cacheTime );
 
 			$optionsKey->setContainsOldMagic( $parserOutput->containsOldMagic() );
 
@@ -245,8 +245,8 @@ class ParserCache {
 			// Save the timestamp so that we don't have to load the revision row on view
 			$parserOutput->setTimestamp( $article->getTimestamp() );
 
-			$parserOutput->mText .= "\n<!-- Saved in parser cache with key $parserOutputKey and timestamp $now -->\n";
-			wfDebug( "Saved in parser cache with key $parserOutputKey and timestamp $now\n" );
+			$parserOutput->mText .= "\n<!-- Saved in parser cache with key $parserOutputKey and timestamp $cacheTime\n -->\n";
+			wfDebug( "Saved in parser cache with key $parserOutputKey and timestamp $cacheTime\n" );
 
 			// Save the parser output
 			$this->mMemc->set( $parserOutputKey, $parserOutput, $expire );
diff --git a/includes/parser/ParserOptions.php b/includes/parser/ParserOptions.php
index 3eb83e36..e12f32d8 100644
--- a/includes/parser/ParserOptions.php
+++ b/includes/parser/ParserOptions.php
@@ -240,6 +240,7 @@ class ParserOptions {
 	function getExternalLinkTarget()            { return $this->mExternalLinkTarget; }
 	function getDisableContentConversion()      { return $this->mDisableContentConversion; }
 	function getDisableTitleConversion()        { return $this->mDisableTitleConversion; }
+	/** @deprecated since 1.22 use User::getOption('math') instead */
 	function getMath()                          { $this->optionUsed( 'math' );
 												  return $this->mMath; }
 	function getThumbSize()                     { $this->optionUsed( 'thumbsize' );
@@ -280,9 +281,17 @@ class ParserOptions {
 	}
 
 	/**
+	 * Get the user language used by the parser for this page.
+	 *
 	 * You shouldn't use this. Really. $parser->getFunctionLang() is all you need.
-	 * Using this fragments the cache and is discouraged. Yes, {{int: }} uses this,
-	 * producing inconsistent tables (Bug 14404).
+	 *
+	 * To avoid side-effects where the page will be rendered based on the language
+	 * of the user who last saved, this function will triger a cache fragmentation.
+	 * Usage of this method is discouraged for that reason.
+	 *
+	 * When saving, this will return the default language instead of the user's.
+	 *
+	 * {{int: }} uses this which used to produce inconsistent link tables (bug 14404).
 	 *
 	 * @return Language object
 	 * @since 1.19
@@ -312,7 +321,7 @@ class ParserOptions {
 	function setAllowSpecialInclusion( $x )     { return wfSetVar( $this->mAllowSpecialInclusion, $x ); }
 	function setTidy( $x )                      { return wfSetVar( $this->mTidy, $x ); }
 
-	/** @deprecated in 1.19; will be removed in 1.20 */
+	/** @deprecated in 1.19 */
 	function setSkin( $x )                      { wfDeprecated( __METHOD__, '1.19' ); }
 	function setInterfaceMessage( $x )          { return wfSetVar( $this->mInterfaceMessage, $x ); }
 	function setTargetLanguage( $x )            { return wfSetVar( $this->mTargetLanguage, $x, true ); }
@@ -330,6 +339,7 @@ class ParserOptions {
 	function setExternalLinkTarget( $x )        { return wfSetVar( $this->mExternalLinkTarget, $x ); }
 	function disableContentConversion( $x = true ) { return wfSetVar( $this->mDisableContentConversion, $x ); }
 	function disableTitleConversion( $x = true ) { return wfSetVar( $this->mDisableTitleConversion, $x ); }
+	/** @deprecated since 1.22 */
 	function setMath( $x )                      { return wfSetVar( $this->mMath, $x ); }
 	function setUserLang( $x )                  {
 		if ( is_string( $x ) ) {
@@ -538,7 +548,7 @@ class ParserOptions {
 
 		// add in language specific options, if any
 		// @todo FIXME: This is just a way of retrieving the url/user preferred variant
-		if( !is_null( $title ) ) {
+		if ( !is_null( $title ) ) {
 			$confstr .= $title->getPageLanguage()->getExtraHashOptions();
 		} else {
 			global $wgContLang;
@@ -557,8 +567,9 @@ class ParserOptions {
 			$confstr .= '!printable=1';
 		}
 
-		if ( $this->mExtraKey != '' )
+		if ( $this->mExtraKey != '' ) {
 			$confstr .= $this->mExtraKey;
+		}
 
 		// Give a chance for extensions to modify the hash, if they have
 		// extra options or other effects on the parser cache.
diff --git a/includes/parser/ParserOutput.php b/includes/parser/ParserOutput.php
index db649f11..502f0fd1 100644
--- a/includes/parser/ParserOutput.php
+++ b/includes/parser/ParserOutput.php
@@ -47,11 +47,14 @@ class ParserOutput extends CacheTime {
 		$mEditSectionTokens = false,  # prefix/suffix markers if edit sections were output as tokens
 		$mProperties = array(),       # Name/value pairs to be cached in the DB
 		$mTOCHTML = '',               # HTML of the TOC
-		$mTimestamp;                  # Timestamp of the revision
+		$mTimestamp,                  # Timestamp of the revision
+		$mTOCEnabled = true;          # Whether TOC should be shown, can't override __NOTOC__
 		private $mIndexPolicy = '';       # 'index' or 'noindex'?  Any other value will result in no change.
 		private $mAccessedOptions = array(); # List of ParserOptions (stored in the keys)
 		private $mSecondaryDataUpdates = array(); # List of DataUpdate, used to save info from the page somewhere else.
 		private $mExtensionData = array(); # extra data used by extensions
+		private $mLimitReportData = array(); # Parser limit report data
+		private $mParseStartTime = array(); # Timestamps for getTimeSinceStart()
 
 	const EDITSECTION_REGEX = '#<(?:mw:)?editsection page="(.*?)" section="(.*?)"(?:/>|>(.*?)(</(?:mw:)?editsection>))#';
 
@@ -66,11 +69,27 @@ class ParserOutput extends CacheTime {
 	}
 
 	function getText() {
+		wfProfileIn( __METHOD__ );
+		$text = $this->mText;
 		if ( $this->mEditSectionTokens ) {
-			return preg_replace_callback( ParserOutput::EDITSECTION_REGEX,
-				array( &$this, 'replaceEditSectionLinksCallback' ), $this->mText );
+			$text = preg_replace_callback( ParserOutput::EDITSECTION_REGEX,
+				array( &$this, 'replaceEditSectionLinksCallback' ), $text );
+		} else {
+			$text = preg_replace( ParserOutput::EDITSECTION_REGEX, '', $text );
+		}
+
+		// If you have an old cached version of this class - sorry, you can't disable the TOC
+		if ( isset( $this->mTOCEnabled ) && $this->mTOCEnabled ) {
+			$text = str_replace( array( Parser::TOC_START, Parser::TOC_END ), '', $text );
+		} else {
+			$text = preg_replace(
+				'#'. preg_quote( Parser::TOC_START ) . '.*?' . preg_quote( Parser::TOC_END ) . '#s',
+				'',
+				$text
+			);
 		}
-		return preg_replace( ParserOutput::EDITSECTION_REGEX, '', $this->mText );
+		wfProfileOut( __METHOD__ );
+		return $text;
 	}
 
 	/**
@@ -120,6 +139,8 @@ class ParserOutput extends CacheTime {
 	function getIndexPolicy()            { return $this->mIndexPolicy; }
 	function getTOCHTML()                { return $this->mTOCHTML; }
 	function getTimestamp()              { return $this->mTimestamp; }
+	function getLimitReportData()        { return $this->mLimitReportData; }
+	function getTOCEnabled()             { return $this->mTOCEnabled; }
 
 	function setText( $text )            { return wfSetVar( $this->mText, $text ); }
 	function setLanguageLinks( $ll )     { return wfSetVar( $this->mLanguageLinks, $ll ); }
@@ -131,6 +152,7 @@ class ParserOutput extends CacheTime {
 	function setIndexPolicy( $policy )   { return wfSetVar( $this->mIndexPolicy, $policy ); }
 	function setTOCHTML( $tochtml )      { return wfSetVar( $this->mTOCHTML, $tochtml ); }
 	function setTimestamp( $timestamp )  { return wfSetVar( $this->mTimestamp, $timestamp ); }
+	function setTOCEnabled( $flag )      { return wfSetVar( $this->mTOCEnabled, $flag ); }
 
 	function addCategory( $c, $sort )    { $this->mCategories[$c] = $sort; }
 	function addLanguageLink( $t )       { $this->mLanguageLinks[] = $t; }
@@ -143,10 +165,10 @@ class ParserOutput extends CacheTime {
 	function setNewSection( $value ) {
 		$this->mNewSection = (bool)$value;
 	}
-	function hideNewSection ( $value ) {
+	function hideNewSection( $value ) {
 		$this->mHideNewSection = (bool)$value;
 	}
-	function getHideNewSection () {
+	function getHideNewSection() {
 		return (bool)$this->mHideNewSection;
 	}
 	function getNewSection() {
@@ -176,10 +198,10 @@ class ParserOutput extends CacheTime {
 		global $wgServer, $wgRegisterInternalExternals;
 
 		$registerExternalLink = true;
-		if( !$wgRegisterInternalExternals ) {
+		if ( !$wgRegisterInternalExternals ) {
 			$registerExternalLink = !self::isLinkInternal( $wgServer, $url );
 		}
-		if( $registerExternalLink ) {
+		if ( $registerExternalLink ) {
 			$this->mExternalLinks[$url] = 1;
 		}
 	}
@@ -201,11 +223,11 @@ class ParserOutput extends CacheTime {
 		if ( $ns == NS_MEDIA ) {
 			// Normalize this pseudo-alias if it makes it down here...
 			$ns = NS_FILE;
-		} elseif( $ns == NS_SPECIAL ) {
+		} elseif ( $ns == NS_SPECIAL ) {
 			// We don't record Special: links currently
 			// It might actually be wise to, but we'd need to do some normalization.
 			return;
-		} elseif( $dbk === '' ) {
+		} elseif ( $dbk === '' ) {
 			// Don't record self links -  [[#Foo]]
 			return;
 		}
@@ -258,7 +280,7 @@ class ParserOutput extends CacheTime {
 	 */
 	function addInterwikiLink( $title ) {
 		$prefix = $title->getInterwiki();
-		if( $prefix == '' ) {
+		if ( $prefix == '' ) {
 			throw new MWException( 'Non-interwiki link passed, internal parser error.' );
 		}
 		if ( !isset( $this->mInterwikiLinks[$prefix] ) ) {
@@ -281,7 +303,7 @@ class ParserOutput extends CacheTime {
 	}
 
 	public function addModules( $modules ) {
-		$this->mModules = array_merge( $this->mModules, (array) $modules );
+		$this->mModules = array_merge( $this->mModules, (array)$modules );
 	}
 
 	public function addModuleScripts( $modules ) {
@@ -329,7 +351,7 @@ class ParserOutput extends CacheTime {
 	 */
 	public function getDisplayTitle() {
 		$t = $this->getTitleText();
-		if( $t === '' ) {
+		if ( $t === '' ) {
 			return false;
 		}
 		return $t;
@@ -544,4 +566,67 @@ class ParserOutput extends CacheTime {
 		return null;
 	}
 
+	private static function getTimes( $clock = null ) {
+		$ret = array();
+		if ( !$clock || $clock === 'wall' ) {
+			$ret['wall'] = microtime( true );
+		}
+		if ( ( !$clock || $clock === 'cpu' ) && function_exists( 'getrusage' ) ) {
+			$ru = getrusage();
+			$ret['cpu'] = $ru['ru_utime.tv_sec'] + $ru['ru_utime.tv_usec'] / 1e6;
+			$ret['cpu'] += $ru['ru_stime.tv_sec'] + $ru['ru_stime.tv_usec'] / 1e6;
+		}
+		return $ret;
+	}
+
+	/**
+	 * Resets the parse start timestamps for future calls to getTimeSinceStart()
+	 * @since 1.22
+	 */
+	function resetParseStartTime() {
+		$this->mParseStartTime = self::getTimes();
+	}
+
+	/**
+	 * Returns the time since resetParseStartTime() was last called
+	 *
+	 * Clocks available are:
+	 *  - wall: Wall clock time
+	 *  - cpu: CPU time (requires getrusage)
+	 *
+	 * @since 1.22
+	 * @param string $clock
+	 * @return float|null
+	 */
+	function getTimeSinceStart( $clock ) {
+		if ( !isset( $this->mParseStartTime[$clock] ) ) {
+			return null;
+		}
+
+		$end = self::getTimes( $clock );
+		return $end[$clock] - $this->mParseStartTime[$clock];
+	}
+
+	/**
+	 * Sets parser limit report data for a key
+	 *
+	 * The key is used as the prefix for various messages used for formatting:
+	 *  - $key: The label for the field in the limit report
+	 *  - $key-value-text: Message used to format the value in the "NewPP limit
+	 *      report" HTML comment. If missing, uses $key-format.
+	 *  - $key-value-html: Message used to format the value in the preview
+	 *      limit report table. If missing, uses $key-format.
+	 *  - $key-value: Message used to format the value. If missing, uses "$1".
+	 *
+	 * Note that all values are interpreted as wikitext, and so should be
+	 * encoded with htmlspecialchars() as necessary, but should avoid complex
+	 * HTML for sanity of display in the "NewPP limit report" comment.
+	 *
+	 * @since 1.22
+	 * @param string $key Message key
+	 * @param mixed $value Appropriate for Message::params()
+	 */
+	function setLimitReportData( $key, $value ) {
+		$this->mLimitReportData[$key] = $value;
+	}
 }
diff --git a/includes/parser/Parser_DiffTest.php b/includes/parser/Parser_DiffTest.php
index f25340fa..aeae234a 100644
--- a/includes/parser/Parser_DiffTest.php
+++ b/includes/parser/Parser_DiffTest.php
@@ -122,7 +122,7 @@ class Parser_DiffTest
 
 	function setFunctionHook( $id, $callback, $flags = 0 ) {
 		$this->init();
-		foreach  ( $this->parsers as $parser ) {
+		foreach ( $this->parsers as $parser ) {
 			$parser->setFunctionHook( $id, $callback, $flags );
 		}
 	}
diff --git a/includes/parser/Parser_LinkHooks.php b/includes/parser/Parser_LinkHooks.php
deleted file mode 100644
index b2cdc41a..00000000
--- a/includes/parser/Parser_LinkHooks.php
+++ /dev/null
@@ -1,326 +0,0 @@
-<?php
-/**
- * Modified version of the PHP parser with hooks for wiki links; experimental
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- * @ingroup Parser
- */
-
-/**
- * Parser with LinkHooks experiment
- * @ingroup Parser
- */
-class Parser_LinkHooks extends Parser {
-	/**
-	 * Update this version number when the ParserOutput format
-	 * changes in an incompatible way, so the parser cache
-	 * can automatically discard old data.
-	 */
-	const VERSION = '1.6.4';
-
-	# Flags for Parser::setLinkHook
-	# Also available as global constants from Defines.php
-	const SLH_PATTERN = 1;
-
-	# Constants needed for external link processing
-	# Everything except bracket, space, or control characters
-	const EXT_LINK_URL_CLASS = '[^][<>"\\x00-\\x20\\x7F]';
-	const EXT_IMAGE_REGEX = '/^(http:\/\/|https:\/\/)([^][<>"\\x00-\\x20\\x7F]+)
-		\\/([A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]+)\\.((?i)gif|png|jpg|jpeg)$/Sx';
-
-	/**#@+
-	 * @private
-	 */
-	# Persistent:
-	var $mLinkHooks;
-
-	/**#@-*/
-
-	/**
-	 * Constructor
-	 */
-	public function __construct( $conf = array() ) {
-		parent::__construct( $conf );
-		$this->mLinkHooks = array();
-	}
-
-	/**
-	 * Do various kinds of initialisation on the first call of the parser
-	 */
-	function firstCallInit() {
-		parent::__construct();
-		if ( !$this->mFirstCall ) {
-			return;
-		}
-		$this->mFirstCall = false;
-
-		wfProfileIn( __METHOD__ );
-
-		$this->setHook( 'pre', array( $this, 'renderPreTag' ) );
-		CoreParserFunctions::register( $this );
-		CoreLinkFunctions::register( $this );
-		$this->initialiseVariables();
-
-		wfRunHooks( 'ParserFirstCallInit', array( &$this ) );
-		wfProfileOut( __METHOD__ );
-	}
-
-	/**
-	 * Create a link hook, e.g. [[Namepsace:...|display}}
-	 * The callback function should have the form:
-	 *    function myLinkCallback( $parser, $holders, $markers,
-	 *      Title $title, $titleText, &$sortText = null, &$leadingColon = false ) { ... }
-	 *
-	 * Or with SLH_PATTERN:
-	 *    function myLinkCallback( $parser, $holders, $markers, )
-	 *      &$titleText, &$sortText = null, &$leadingColon = false ) { ... }
-	 *
-	 * The callback may either return a number of different possible values:
-	 * String) Text result of the link
-	 * True) (Treat as link) Parse the link according to normal link rules
-	 * False) (Bad link) Just output the raw wikitext (You may modify the text first)
-	 *
-	 * @param $ns Integer or String: the Namespace ID or regex pattern if SLH_PATTERN is set
-	 * @param $callback Mixed: the callback function (and object) to use
-	 * @param $flags Integer: a combination of the following flags:
-	 *     SLH_PATTERN   Use a regex link pattern rather than a namespace
-	 *
-	 * @throws MWException
-	 * @return callback|null The old callback function for this name, if any
-	 */
-	public function setLinkHook( $ns, $callback, $flags = 0 ) {
-		if( $flags & SLH_PATTERN && !is_string($ns) )
-			throw new MWException( __METHOD__ . '() expecting a regex string pattern.' );
-		elseif( $flags | ~SLH_PATTERN && !is_int( $ns ) )
-			throw new MWException( __METHOD__ . '() expecting a namespace index.' );
-		$oldVal = isset( $this->mLinkHooks[$ns] ) ? $this->mLinkHooks[$ns][0] : null;
-		$this->mLinkHooks[$ns] = array( $callback, $flags );
-		return $oldVal;
-	}
-
-	/**
-	 * Get all registered link hook identifiers
-	 *
-	 * @return array
-	 */
-	function getLinkHooks() {
-		return array_keys( $this->mLinkHooks );
-	}
-
-	/**
-	 * Process [[ ]] wikilinks
-	 * @param $s
-	 * @throws MWException
-	 * @return LinkHolderArray
-	 *
-	 * @private
-	 */
-	function replaceInternalLinks2( &$s ) {
-		wfProfileIn( __METHOD__ );
-
-		wfProfileIn( __METHOD__ . '-setup' );
-		static $tc = false, $titleRegex; //$e1, $e1_img;
-		if( !$tc ) {
-			# the % is needed to support urlencoded titles as well
-			$tc = Title::legalChars() . '#%';
-			# Match a link having the form [[namespace:link|alternate]]trail
-			//$e1 = "/^([{$tc}]+)(?:\\|(.+?))?]](.*)\$/sD";
-			# Match cases where there is no "]]", which might still be images
-			//$e1_img = "/^([{$tc}]+)\\|(.*)\$/sD";
-			# Match a valid plain title
-			$titleRegex = "/^([{$tc}]+)$/sD";
-		}
-
-		$holders = new LinkHolderArray( $this );
-
-		if( is_null( $this->mTitle ) ) {
-			wfProfileOut( __METHOD__ . '-setup' );
-			wfProfileOut( __METHOD__ );
-			throw new MWException( __METHOD__ . ": \$this->mTitle is null\n" );
-		}
-
-		wfProfileOut( __METHOD__ . '-setup' );
-
-		$offset = 0;
-		$offsetStack = array();
-		$markers = new LinkMarkerReplacer( $this, $holders, array( &$this, 'replaceInternalLinksCallback' ) );
-		while( true ) {
-			$startBracketOffset = strpos( $s, '[[', $offset );
-			$endBracketOffset   = strpos( $s, ']]', $offset );
-			# Finish when there are no more brackets
-			if( $startBracketOffset === false && $endBracketOffset === false ) break;
-			# Determine if the bracket is a starting or ending bracket
-			# When we find both, use the first one
-			elseif( $startBracketOffset !== false && $endBracketOffset !== false )
-				$isStart = $startBracketOffset <= $endBracketOffset;
-			# When we only found one, check which it is
-			else $isStart = $startBracketOffset !== false;
-			$bracketOffset = $isStart ? $startBracketOffset : $endBracketOffset;
-			if( $isStart ) {
-				/** Opening bracket **/
-				# Just push our current offset in the string onto the stack
-				$offsetStack[] = $startBracketOffset;
-			} else {
-				/** Closing bracket **/
-				# Pop the start pos for our current link zone off the stack
-				$startBracketOffset = array_pop( $offsetStack );
-				# Just to clean up the code, lets place offsets on the outer ends
-				$endBracketOffset += 2;
-
-				# Only do logic if we actually have a opening bracket for this
-				if( isset( $startBracketOffset ) ) {
-					# Extract text inside the link
-					@list( $titleText, $paramText ) = explode( '|',
-						substr( $s, $startBracketOffset + 2, $endBracketOffset - $startBracketOffset - 4 ), 2 );
-					# Create markers only for valid links
-					if( preg_match( $titleRegex, $titleText ) ) {
-						# Store the text for the marker
-						$marker = $markers->addMarker( $titleText, $paramText );
-						# Replace the current link with the marker
-						$s = substr( $s, 0, $startBracketOffset ) .
-							$marker .
-							substr( $s, $endBracketOffset );
-						# We have modified $s, because of this we need to set the
-						# offset manually since the end position is different now
-						$offset = $startBracketOffset+strlen( $marker );
-						continue;
-					}
-					# ToDo: Some LinkHooks may allow recursive links inside of
-					# the link text, create a regex that also matches our
-					# <!-- LINKMARKER ### --> sequence in titles
-					# ToDO: Some LinkHooks use patterns rather than namespaces
-					# these need to be tested at this point here
-				}
-			}
-			# Bump our offset to after our current bracket
-			$offset = $bracketOffset+2;
-		}
-
-		# Now expand our tree
-		wfProfileIn( __METHOD__ . '-expand' );
-		$s = $markers->expand( $s );
-		wfProfileOut( __METHOD__ . '-expand' );
-
-		wfProfileOut( __METHOD__ );
-		return $holders;
-	}
-
-	function replaceInternalLinksCallback( $parser, $holders, $markers, $titleText, $paramText ) {
-		wfProfileIn( __METHOD__ );
-		$wt = isset( $paramText ) ? "[[$titleText|$paramText]]" : "[[$titleText]]";
-		wfProfileIn( __METHOD__ . "-misc" );
-
-		# 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(?i:' . wfUrlProtocols() . ')/', $titleText ) ) {
-			wfProfileOut( __METHOD__ . "-misc" );
-			wfProfileOut( __METHOD__ );
-			return $wt;
-		}
-
-		# Make subpage if necessary
-		if( $this->areSubpagesAllowed() ) {
-			$titleText = $this->maybeDoSubpageLink( $titleText, $paramText );
-		}
-
-		# Check for a leading colon and strip it if it is there
-		$leadingColon = $titleText[0] == ':';
-		if( $leadingColon ) $titleText = substr( $titleText, 1 );
-
-		wfProfileOut( __METHOD__ . "-misc" );
-		# Make title object
-		wfProfileIn( __METHOD__ . "-title" );
-		$title = Title::newFromText( $this->mStripState->unstripNoWiki( $titleText ) );
-		if( !$title ) {
-			wfProfileOut( __METHOD__ . "-title" );
-			wfProfileOut( __METHOD__ );
-			return $wt;
-		}
-		$ns = $title->getNamespace();
-		wfProfileOut( __METHOD__ . "-title" );
-
-		# Default for Namespaces is a default link
-		# ToDo: Default for patterns is plain wikitext
-		$return = true;
-		if( isset( $this->mLinkHooks[$ns] ) ) {
-			list( $callback, $flags ) = $this->mLinkHooks[$ns];
-			if( $flags & SLH_PATTERN ) {
-				$args = array( $parser, $holders, $markers, $titleText, &$paramText, &$leadingColon );
-			} else {
-				$args = array( $parser, $holders, $markers, $title, $titleText, &$paramText, &$leadingColon );
-			}
-			# Workaround for PHP bug 35229 and similar
-			if ( !is_callable( $callback ) ) {
-				throw new MWException( "Tag hook for namespace $ns is not callable\n" );
-			}
-			$return = call_user_func_array( $callback, $args );
-		}
-		if( $return === true ) {
-			# True (treat as plain link) was returned, call the defaultLinkHook
-			$return = CoreLinkFunctions::defaultLinkHook( $parser, $holders, $markers, $title,
-				$titleText, $paramText, $leadingColon );
-		}
-		if( $return === false ) {
-			# False (no link) was returned, output plain wikitext
-			# Build it again as the hook is allowed to modify $paramText
-			$return = isset( $paramText ) ? "[[$titleText|$paramText]]" : "[[$titleText]]";
-		}
-		# Content was returned, return it
-		wfProfileOut( __METHOD__ );
-		return $return;
-	}
-
-}
-
-class LinkMarkerReplacer {
-
-	protected $markers, $nextId, $parser, $holders, $callback;
-
-	function __construct( $parser, $holders, $callback ) {
-		$this->nextId   = 0;
-		$this->markers  = array();
-		$this->parser   = $parser;
-		$this->holders  = $holders;
-		$this->callback = $callback;
-	}
-
-	function addMarker( $titleText, $paramText ) {
-		$id = $this->nextId++;
-		$this->markers[$id] = array( $titleText, $paramText );
-		return "<!-- LINKMARKER $id -->";
-	}
-
-	function findMarker( $string ) {
-		return (bool) preg_match( '/<!-- LINKMARKER [0-9]+ -->/', $string );
-	}
-
-	function expand( $string ) {
-		return StringUtils::delimiterReplaceCallback( "<!-- LINKMARKER ", " -->", array( &$this, 'callback' ), $string );
-	}
-
-	function callback( $m ) {
-		$id = intval( $m[1] );
-		if( !array_key_exists( $id, $this->markers ) ) return $m[0];
-		$args = $this->markers[$id];
-		array_unshift( $args, $this );
-		array_unshift( $args, $this->holders );
-		array_unshift( $args, $this->parser );
-		return call_user_func_array( $this->callback, $args );
-	}
-}
diff --git a/includes/parser/Preprocessor_DOM.php b/includes/parser/Preprocessor_DOM.php
index d0c57ab5..3138f483 100644
--- a/includes/parser/Preprocessor_DOM.php
+++ b/includes/parser/Preprocessor_DOM.php
@@ -72,9 +72,8 @@ class Preprocessor_DOM implements Preprocessor {
 		$xml = "<list>";
 
 		foreach ( $values as $k => $val ) {
-
 			if ( is_int( $k ) ) {
-				$xml .= "<part><name index=\"$k\"/><value>" . htmlspecialchars( $val ) ."</value></part>";
+				$xml .= "<part><name index=\"$k\"/><value>" . htmlspecialchars( $val ) . "</value></part>";
 			} else {
 				$xml .= "<part><name>" . htmlspecialchars( $k ) . "</name>=<value>" . htmlspecialchars( $val ) . "</value></part>";
 			}
@@ -149,26 +148,28 @@ class Preprocessor_DOM implements Preprocessor {
 					wfDebugLog( "Preprocessor", "Loaded preprocessor XML from memcached (key $cacheKey)" );
 				}
 			}
-		}
-		if ( $xml === false ) {
-			if ( $cacheable ) {
+			if ( $xml === false ) {
 				wfProfileIn( __METHOD__ . '-cache-miss' );
 				$xml = $this->preprocessToXml( $text, $flags );
 				$cacheValue = sprintf( "%08d", self::CACHE_VERSION ) . $xml;
 				$wgMemc->set( $cacheKey, $cacheValue, 86400 );
 				wfProfileOut( __METHOD__ . '-cache-miss' );
 				wfDebugLog( "Preprocessor", "Saved preprocessor XML to memcached (key $cacheKey)" );
-			} else {
-				$xml = $this->preprocessToXml( $text, $flags );
 			}
-
+		} else {
+			$xml = $this->preprocessToXml( $text, $flags );
 		}
 
+
 		// Fail if the number of elements exceeds acceptable limits
 		// Do not attempt to generate the DOM
 		$this->parser->mGeneratedPPNodeCount += substr_count( $xml, '<' );
 		$max = $this->parser->mOptions->getMaxGeneratedPPNodeCount();
 		if ( $this->parser->mGeneratedPPNodeCount > $max ) {
+			if ( $cacheable ) {
+				wfProfileOut( __METHOD__ . '-cacheable' );
+			}
+			wfProfileOut( __METHOD__ );
 			throw new MWException( __METHOD__ . ': generated node count limit exceeded' );
 		}
 
@@ -182,16 +183,21 @@ class Preprocessor_DOM implements Preprocessor {
 			$xml = UtfNormal::cleanUp( $xml );
 			// 1 << 19 == XML_PARSE_HUGE, needed so newer versions of libxml2 don't barf when the XML is >256 levels deep
 			$result = $dom->loadXML( $xml, 1 << 19 );
-			if ( !$result ) {
-				throw new MWException( __METHOD__ . ' generated invalid XML' );
-			}
 		}
-		$obj = new PPNode_DOM( $dom->documentElement );
+		if ( $result ) {
+			$obj = new PPNode_DOM( $dom->documentElement );
+		}
 		wfProfileOut( __METHOD__ . '-loadXML' );
+
 		if ( $cacheable ) {
 			wfProfileOut( __METHOD__ . '-cacheable' );
 		}
+
 		wfProfileOut( __METHOD__ );
+
+		if ( !$result ) {
+			throw new MWException( __METHOD__ . ' generated invalid XML' );
+		}
 		return $obj;
 	}
 
@@ -355,9 +361,11 @@ class Preprocessor_DOM implements Preprocessor {
 				}
 				// Handle comments
 				if ( isset( $matches[2] ) && $matches[2] == '!--' ) {
-					// 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.
+
+					// To avoid leaving blank lines, when a sequence of
+					// space-separated comments is both preceded and followed by
+					// a newline (ignoring spaces), then
+					// trim leading and trailing spaces and the trailing newline.
 
 					// Find the end
 					$endPos = strpos( $text, '-->', $i + 4 );
@@ -368,10 +376,25 @@ class Preprocessor_DOM implements Preprocessor {
 						$i = $lengthText;
 					} else {
 						// Search backwards for leading whitespace
-						$wsStart = $i ? ( $i - strspn( $revText, ' ', $lengthText - $i ) ) : 0;
+						$wsStart = $i ? ( $i - strspn( $revText, " \t", $lengthText - $i ) ) : 0;
+
 						// Search forwards for trailing whitespace
 						// $wsEnd will be the position of the last space (or the '>' if there's none)
-						$wsEnd = $endPos + 2 + strspn( $text, ' ', $endPos + 3 );
+						$wsEnd = $endPos + 2 + strspn( $text, " \t", $endPos + 3 );
+
+						// Keep looking forward as long as we're finding more
+						// comments.
+						$comments = array( array( $wsStart, $wsEnd ) );
+						while ( substr( $text, $wsEnd + 1, 4 ) == '<!--' ) {
+							$c = strpos( $text, '-->', $wsEnd + 4 );
+							if ( $c === false ) {
+								break;
+							}
+							$c = $c + 2 + strspn( $text, " \t", $c + 3 );
+							$comments[] = array( $wsEnd + 1, $c );
+							$wsEnd = $c;
+						}
+
 						// Eat the line if possible
 						// TODO: This could theoretically be done if $wsStart == 0, i.e. for comments at
 						// the overall start. That's not how Sanitizer::removeHTMLcomments() did it, but
@@ -379,14 +402,26 @@ class Preprocessor_DOM implements Preprocessor {
 						if ( $wsStart > 0 && substr( $text, $wsStart - 1, 1 ) == "\n"
 							&& substr( $text, $wsEnd + 1, 1 ) == "\n" )
 						{
-							$startPos = $wsStart;
-							$endPos = $wsEnd + 1;
 							// Remove leading whitespace from the end of the accumulator
 							// Sanity check first though
 							$wsLength = $i - $wsStart;
-							if ( $wsLength > 0 && substr( $accum, -$wsLength ) === str_repeat( ' ', $wsLength ) ) {
+							if ( $wsLength > 0
+								&& strspn( $accum, " \t", -$wsLength ) === $wsLength )
+							{
 								$accum = substr( $accum, 0, -$wsLength );
 							}
+
+							// Dump all but the last comment to the accumulator
+							foreach ( $comments as $j => $com ) {
+								$startPos = $com[0];
+								$endPos = $com[1] + 1;
+								if ( $j == ( count( $comments ) - 1 ) ) {
+									break;
+								}
+								$inner = substr( $text, $startPos, $endPos - $startPos );
+								$accum .= '<comment>' . htmlspecialchars( $inner ) . '</comment>';
+							}
+
 							// Do a line-start run next time to look for headings after the comment
 							$fakeLineStart = true;
 						} else {
@@ -397,7 +432,7 @@ class Preprocessor_DOM implements Preprocessor {
 
 						if ( $stack->top ) {
 							$part = $stack->top->getCurrentPart();
-							if ( !(isset( $part->commentEnd ) && $part->commentEnd == $wsStart - 1 )) {
+							if ( !( isset( $part->commentEnd ) && $part->commentEnd == $wsStart - 1 ) ) {
 								$part->visualEnd = $wsStart;
 							}
 							// Else comments abutting, no change in visual end
@@ -432,7 +467,7 @@ class Preprocessor_DOM implements Preprocessor {
 				}
 
 				$tagStartPos = $i;
-				if ( $text[$tagEndPos-1] == '/' ) {
+				if ( $text[$tagEndPos - 1] == '/' ) {
 					$attrEnd = $tagEndPos - 1;
 					$inner = null;
 					$i = $tagEndPos + 1;
@@ -569,7 +604,7 @@ class Preprocessor_DOM implements Preprocessor {
 						'open' => $curChar,
 						'close' => $rule['end'],
 						'count' => $count,
-						'lineStart' => ($i > 0 && $text[$i-1] == "\n"),
+						'lineStart' => ( $i > 0 && $text[$i - 1] == "\n" ),
 					);
 
 					$stack->push( $piece );
@@ -746,7 +781,7 @@ class PPDStack {
 			$class = $this->elementClass;
 			$this->stack[] = new $class( $data );
 		}
-		$this->top = $this->stack[ count( $this->stack ) - 1 ];
+		$this->top = $this->stack[count( $this->stack ) - 1];
 		$this->accum =& $this->top->getAccum();
 	}
 
@@ -757,7 +792,7 @@ class PPDStack {
 		$temp = array_pop( $this->stack );
 
 		if ( count( $this->stack ) ) {
-			$this->top = $this->stack[ count( $this->stack ) - 1 ];
+			$this->top = $this->stack[count( $this->stack ) - 1];
 			$this->accum =& $this->top->getAccum();
 		} else {
 			$this->top = self::$false;
@@ -1014,11 +1049,13 @@ class PPFrame_DOM implements PPFrame {
 
 		while ( count( $iteratorStack ) > 1 ) {
 			$level = count( $outStack ) - 1;
-			$iteratorNode =& $iteratorStack[ $level ];
+			$iteratorNode =& $iteratorStack[$level];
 			$out =& $outStack[$level];
 			$index =& $indexStack[$level];
 
-			if ( $iteratorNode instanceof PPNode_DOM ) $iteratorNode = $iteratorNode->node;
+			if ( $iteratorNode instanceof PPNode_DOM ) {
+				$iteratorNode = $iteratorNode->node;
+			}
 
 			if ( is_array( $iteratorNode ) ) {
 				if ( $index >= count( $iteratorNode ) ) {
@@ -1148,9 +1185,7 @@ class PPFrame_DOM implements PPFrame {
 
 					# Insert a heading marker only for <h> children of <root>
 					# This is to stop extractSections from going over multiple tree levels
-					if ( $contextNode->parentNode->nodeName == 'root'
-					  && $this->parser->ot['html'] )
-					{
+					if ( $contextNode->parentNode->nodeName == 'root' && $this->parser->ot['html'] ) {
 						# Insert heading index marker
 						$headingIndex = $contextNode->getAttribute( 'i' );
 						$titleText = $this->title->getPrefixedDBkey();
@@ -1206,7 +1241,9 @@ class PPFrame_DOM implements PPFrame {
 		$first = true;
 		$s = '';
 		foreach ( $args as $root ) {
-			if ( $root instanceof PPNode_DOM ) $root = $root->node;
+			if ( $root instanceof PPNode_DOM ) {
+				$root = $root->node;
+			}
 			if ( !is_array( $root ) && !( $root instanceof DOMNodeList ) ) {
 				$root = array( $root );
 			}
diff --git a/includes/parser/Preprocessor_Hash.php b/includes/parser/Preprocessor_Hash.php
index fad1adbb..2fc5e118 100644
--- a/includes/parser/Preprocessor_Hash.php
+++ b/includes/parser/Preprocessor_Hash.php
@@ -287,9 +287,11 @@ class Preprocessor_Hash implements Preprocessor {
 				}
 				// Handle comments
 				if ( isset( $matches[2] ) && $matches[2] == '!--' ) {
-					// 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.
+
+					// To avoid leaving blank lines, when a sequence of
+					// space-separated comments is both preceded and followed by
+					// a newline (ignoring spaces), then
+					// trim leading and trailing spaces and the trailing newline.
 
 					// Find the end
 					$endPos = strpos( $text, '-->', $i + 4 );
@@ -300,10 +302,25 @@ class Preprocessor_Hash implements Preprocessor {
 						$i = $lengthText;
 					} else {
 						// Search backwards for leading whitespace
-						$wsStart = $i ? ( $i - strspn( $revText, ' ', $lengthText - $i ) ) : 0;
+						$wsStart = $i ? ( $i - strspn( $revText, " \t", $lengthText - $i ) ) : 0;
+
 						// Search forwards for trailing whitespace
 						// $wsEnd will be the position of the last space (or the '>' if there's none)
-						$wsEnd = $endPos + 2 + strspn( $text, ' ', $endPos + 3 );
+						$wsEnd = $endPos + 2 + strspn( $text, " \t", $endPos + 3 );
+
+						// Keep looking forward as long as we're finding more
+						// comments.
+						$comments = array( array( $wsStart, $wsEnd ) );
+						while ( substr( $text, $wsEnd + 1, 4 ) == '<!--' ) {
+							$c = strpos( $text, '-->', $wsEnd + 4 );
+							if ( $c === false ) {
+								break;
+							}
+							$c = $c + 2 + strspn( $text, " \t", $c + 3 );
+							$comments[] = array( $wsEnd + 1, $c );
+							$wsEnd = $c;
+						}
+
 						// Eat the line if possible
 						// TODO: This could theoretically be done if $wsStart == 0, i.e. for comments at
 						// the overall start. That's not how Sanitizer::removeHTMLcomments() did it, but
@@ -311,17 +328,27 @@ class Preprocessor_Hash implements Preprocessor {
 						if ( $wsStart > 0 && substr( $text, $wsStart - 1, 1 ) == "\n"
 							&& substr( $text, $wsEnd + 1, 1 ) == "\n" )
 						{
-							$startPos = $wsStart;
-							$endPos = $wsEnd + 1;
 							// Remove leading whitespace from the end of the accumulator
 							// Sanity check first though
 							$wsLength = $i - $wsStart;
 							if ( $wsLength > 0
 								&& $accum->lastNode instanceof PPNode_Hash_Text
-								&& substr( $accum->lastNode->value, -$wsLength ) === str_repeat( ' ', $wsLength ) )
+								&& strspn( $accum->lastNode->value, " \t", -$wsLength ) === $wsLength )
 							{
 								$accum->lastNode->value = substr( $accum->lastNode->value, 0, -$wsLength );
 							}
+
+							// Dump all but the last comment to the accumulator
+							foreach ( $comments as $j => $com ) {
+								$startPos = $com[0];
+								$endPos = $com[1] + 1;
+								if ( $j == ( count( $comments ) - 1 ) ) {
+									break;
+								}
+								$inner = substr( $text, $startPos, $endPos - $startPos );
+								$accum->addNodeWithText( 'comment', $inner );
+							}
+
 							// Do a line-start run next time to look for headings after the comment
 							$fakeLineStart = true;
 						} else {
@@ -332,7 +359,7 @@ class Preprocessor_Hash implements Preprocessor {
 
 						if ( $stack->top ) {
 							$part = $stack->top->getCurrentPart();
-							if ( !(isset( $part->commentEnd ) && $part->commentEnd == $wsStart - 1 )) {
+							if ( !( isset( $part->commentEnd ) && $part->commentEnd == $wsStart - 1 ) ) {
 								$part->visualEnd = $wsStart;
 							}
 							// Else comments abutting, no change in visual end
@@ -367,7 +394,7 @@ class Preprocessor_Hash implements Preprocessor {
 				}
 
 				$tagStartPos = $i;
-				if ( $text[$tagEndPos-1] == '/' ) {
+				if ( $text[$tagEndPos - 1] == '/' ) {
 					// Short end tag
 					$attrEnd = $tagEndPos - 1;
 					$inner = null;
@@ -515,7 +542,7 @@ class Preprocessor_Hash implements Preprocessor {
 						'open' => $curChar,
 						'close' => $rule['end'],
 						'count' => $count,
-						'lineStart' => ($i > 0 && $text[$i-1] == "\n"),
+						'lineStart' => ( $i > 0 && $text[$i - 1] == "\n" ),
 					);
 
 					$stack->push( $piece );
@@ -591,9 +618,19 @@ class Preprocessor_Hash implements Preprocessor {
 								$lastNode = $node;
 							}
 							if ( !$node ) {
+								if ( $cacheable ) {
+									wfProfileOut( __METHOD__ . '-cache-miss' );
+									wfProfileOut( __METHOD__ . '-cacheable' );
+								}
+								wfProfileOut( __METHOD__ );
 								throw new MWException( __METHOD__ . ': eqpos not found' );
 							}
 							if ( $node->name !== 'equals' ) {
+								if ( $cacheable ) {
+									wfProfileOut( __METHOD__ . '-cache-miss' );
+									wfProfileOut( __METHOD__ . '-cacheable' );
+								}
+								wfProfileOut( __METHOD__ );
 								throw new MWException( __METHOD__ . ': eqpos is not equals' );
 							}
 							$equalsNode = $node;
@@ -952,7 +989,7 @@ class PPFrame_Hash implements PPFrame {
 
 		while ( count( $iteratorStack ) > 1 ) {
 			$level = count( $outStack ) - 1;
-			$iteratorNode =& $iteratorStack[ $level ];
+			$iteratorNode =& $iteratorStack[$level];
 			$out =& $outStack[$level];
 			$index =& $indexStack[$level];
 
diff --git a/includes/parser/Tidy.php b/includes/parser/Tidy.php
index 0f7e0d31..32b16aaf 100644
--- a/includes/parser/Tidy.php
+++ b/includes/parser/Tidy.php
@@ -61,7 +61,10 @@ class MWTidyWrapper {
 
 		// Replace <mw:editsection> elements with placeholders
 		$wrappedtext = preg_replace_callback( ParserOutput::EDITSECTION_REGEX,
-			array( &$this, 'replaceEditSectionLinksCallback' ), $text );
+			array( &$this, 'replaceCallback' ), $text );
+		// ...and <mw:toc> markers
+		$wrappedtext = preg_replace_callback( '/\<\\/?mw:toc\>/',
+			array( &$this, 'replaceCallback' ), $wrappedtext );
 
 		// Modify inline Microdata <link> and <meta> elements so they say <html-link> and <html-meta> so
 		// we can trick Tidy into not stripping them out by including them in tidy's new-empty-tags config
@@ -80,7 +83,7 @@ class MWTidyWrapper {
 	 *
 	 * @return string
 	 */
-	function replaceEditSectionLinksCallback( $m ) {
+	function replaceCallback( $m ) {
 		$marker = "{$this->mUniqPrefix}-item-{$this->mMarkerIndex}" . Parser::MARKER_SUFFIX;
 		$this->mMarkerIndex++;
 		$this->mTokens->setPair( $marker, $m[0] );
@@ -158,7 +161,7 @@ class MWTidy {
 		global $wgTidyInternal;
 
 		$retval = 0;
-		if( $wgTidyInternal ) {
+		if ( $wgTidyInternal ) {
 			$errorStr = self::execInternalTidy( $text, true, $retval );
 		} else {
 			$errorStr = self::execExternalTidy( $text, true, $retval );
@@ -244,7 +247,7 @@ class MWTidy {
 		global $wgTidyConf, $wgDebugTidy;
 		wfProfileIn( __METHOD__ );
 
-		if ( !MWInit::classExists( 'tidy' ) ) {
+		if ( !class_exists( 'tidy' ) ) {
 			wfWarn( "Unable to load internal tidy class." );
 			$retval = -1;