Merge branch 'archwiki'

Conflicts:
	extensions/FluxBBAuthPlugin.php
	extensions/SyntaxHighlight_GeSHi/README
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.class.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.i18n.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.php
	extensions/SyntaxHighlight_GeSHi/geshi/docs/CHANGES
	extensions/SyntaxHighlight_GeSHi/geshi/docs/THANKS
	extensions/SyntaxHighlight_GeSHi/geshi/docs/TODO
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constant.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Destructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Function.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Global.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/I.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Index.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/L.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Method.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/T.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Variable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/blank.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/class_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/file.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/function_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/private_class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/up_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.html
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.txt
	extensions/SyntaxHighlight_GeSHi/geshi/geshi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/4cs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502acme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502kickass.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502tasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/68000devpac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/abap.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ada.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/algol68.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apache.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/applescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apt_sources.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoconf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autohotkey.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoit.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/avisynth.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/awk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bascomavr.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bash.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/basic4gl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bibtex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/blitzbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bnf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/boo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_loadrunner.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_mac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/caddcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cadlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfdg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/chaiscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cil.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/clojure.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cmake.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cobol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/coffeescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp-qt.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/csharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/css.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cuesheet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/d.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dcs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/delphi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/diff.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/div.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dos.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/e.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ecmascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/eiffel.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/email.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/epc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/erlang.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/euphoria.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/f1.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/falcon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fortran.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/freebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fsharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gambas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gdb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genero.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genie.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gettext.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/glsl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gnuplot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/go.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/groovy.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gwbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/haskell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hicest.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hq9plus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html4strict.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/icon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/idl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ini.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/inno.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/intercal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/io.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/j.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/javascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/jquery.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/kixtart.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonecpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/latex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/llvm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/locobasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/logtalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lolcode.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusformulas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lsl2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lua.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/m68k.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/magiksf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/make.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mapbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/matlab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mirc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mmix.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mpasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mxml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mysql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/newlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/nsis.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oberon2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objeck.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oobas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle11.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle8.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oxygene.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oz.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pascal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pcre.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/per.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl6.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pic16.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pike.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pixelbender.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pli.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/plsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/postgresql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/povray.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powerbuilder.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powershell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/proftpd.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/progress.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/prolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/properties.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/providex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/purebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pycon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/python.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/q.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/qbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rails.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rebol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/reg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/robots.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rpmspec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rsplus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ruby.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scheme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scilab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sdlbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smalltalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smarty.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/systemverilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/teraterm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/text.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/thinbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/typoscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/unicon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/uscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vbnet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/verilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vhdl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vim.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualfoxpro.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualprolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whitespace.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whois.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/winbatch.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xorg_conf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/yaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/z80.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/zxbasic.php

1 files changed, 456 insertions, 0 deletions

diff --git a/extensions/Interwiki/Interwiki_body.php b/extensions/Interwiki/Interwiki_body.php
new file mode 100644
index 00000000..ec104968
--- /dev/null
+++ b/extensions/Interwiki/Interwiki_body.php
@@ -0,0 +1,456 @@
+<?php
+/**
+ * Implements Special:Interwiki
+ * @ingroup SpecialPage
+ */
+class SpecialInterwiki extends SpecialPage {
+	/**
+	 * Constructor - sets up the new special page
+	 */
+	public function __construct() {
+		parent::__construct( 'Interwiki' );
+	}
+
+	/**
+	 * Different description will be shown on Special:SpecialPage depending on
+	 * whether the user can modify the data.
+	 * @return String
+	 */
+	function getDescription() {
+		return $this->msg( $this->canModify() ?
+			'interwiki' : 'interwiki-title-norights' )->plain();
+	}
+
+	/**
+	 * Show the special page
+	 *
+	 * @param $par Mixed: parameter passed to the page or null
+	 */
+	public function execute( $par ) {
+		$this->setHeaders();
+		$this->outputHeader();
+
+		$out = $this->getOutput();
+		$request = $this->getRequest();
+
+		$out->addModules( 'ext.interwiki.specialpage' );
+
+		$action = $par ? $par : $request->getVal( 'action', $par );
+		$return = $this->getTitle();
+
+		switch( $action ) {
+		case 'delete':
+		case 'edit':
+		case 'add':
+			if ( $this->canModify( $out ) ) {
+				$this->showForm( $action );
+			}
+			$out->returnToMain( false, $return );
+			break;
+		case 'submit':
+			if ( !$this->canModify( $out ) ) {
+				# Error msg added by canModify()
+			} elseif ( !$request->wasPosted() ||
+				!$this->getUser()->matchEditToken( $request->getVal( 'wpEditToken' ) )
+			) {
+				// Prevent cross-site request forgeries
+				$out->addWikiMsg( 'sessionfailure' );
+			} else {
+				$this->doSubmit();
+			}
+			$out->returnToMain( false, $return );
+			break;
+		default:
+			$this->showList();
+			break;
+		}
+	}
+
+	/**
+	 * Returns boolean whether the user can modify the data.
+	 * @param $out OutputPage|bool If $wgOut object given, it adds the respective error message.
+	 * @throws PermissionsError
+	 * @return bool
+	 */
+	public function canModify( $out = false ) {
+		global $wgInterwikiCache;
+		if ( !$this->getUser()->isAllowed( 'interwiki' ) ) {
+			# Check permissions
+			if ( $out ) {
+				throw new PermissionsError( 'interwiki' );
+			}
+
+			return false;
+		} elseif ( $wgInterwikiCache ) {
+			# Editing the interwiki cache is not supported
+			if ( $out ) {
+				$out->addWikiMsg( 'interwiki-cached' );
+			}
+
+			return false;
+		} elseif ( wfReadOnly() ) {
+			# Is the database in read-only mode?
+			if ( $out ) {
+				$out->readOnlyPage();
+			}
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * @param $action string
+	 */
+	function showForm( $action ) {
+		$request = $this->getRequest();
+
+		$prefix = $request->getVal( 'prefix' );
+		$wpPrefix = '';
+		$label = array( 'class' => 'mw-label' );
+		$input = array( 'class' => 'mw-input' );
+
+		if ( $action === 'delete' ) {
+			$topmessage = $this->msg( 'interwiki_delquestion', $prefix )->text();
+			$intromessage = $this->msg( 'interwiki_deleting', $prefix )->escaped();
+			$wpPrefix = Html::hidden( 'wpInterwikiPrefix', $prefix );
+			$button = 'delete';
+			$formContent = '';
+		} elseif ( $action === 'edit' ) {
+			$dbr = wfGetDB( DB_SLAVE );
+			$row = $dbr->selectRow( 'interwiki', '*', array( 'iw_prefix' => $prefix ), __METHOD__ );
+
+			if ( !$row ) {
+				$this->error( 'interwiki_editerror', $prefix );
+				return;
+			}
+
+			$prefix = $prefixElement = $row->iw_prefix;
+			$defaulturl = $row->iw_url;
+			$trans = $row->iw_trans;
+			$local = $row->iw_local;
+			$wpPrefix = Html::hidden( 'wpInterwikiPrefix', $row->iw_prefix );
+			$topmessage = $this->msg( 'interwiki_edittext' )->text();
+			$intromessage = $this->msg( 'interwiki_editintro' )->escaped();
+			$button = 'edit';
+		} elseif ( $action === 'add' ) {
+			$prefix = $request->getVal( 'wpInterwikiPrefix', $request->getVal( 'prefix' ) );
+			$prefixElement = Xml::input( 'wpInterwikiPrefix', 20, $prefix,
+				array( 'tabindex' => 1, 'id' => 'mw-interwiki-prefix', 'maxlength' => 20 ) );
+			$local = $request->getCheck( 'wpInterwikiLocal' );
+			$trans = $request->getCheck( 'wpInterwikiTrans' );
+			$defaulturl = $request->getVal( 'wpInterwikiURL', $this->msg( 'interwiki-defaulturl' )->text() );
+			$topmessage = $this->msg( 'interwiki_addtext' )->text();
+			$intromessage = $this->msg( 'interwiki_addintro' )->escaped();
+			$button = 'interwiki_addbutton';
+		}
+
+		if ( $action === 'add' || $action === 'edit' ) {
+			$formContent = Html::rawElement( 'tr', null,
+				Html::element( 'td', $label, $this->msg( 'interwiki-prefix-label' )->text() ) .
+				Html::rawElement( 'td', null, '<tt>' . $prefixElement . '</tt>' )
+			) . Html::rawElement(
+				'tr',
+				null,
+				Html::rawElement(
+					'td',
+					$label,
+					Xml::label( $this->msg( 'interwiki-local-label' )->text(), 'mw-interwiki-local' )
+				) .
+				Html::rawElement(
+					'td',
+					$input,
+					Xml::check( 'wpInterwikiLocal', $local, array( 'id' => 'mw-interwiki-local' ) )
+				)
+			) . Html::rawElement( 'tr', null,
+				Html::rawElement(
+					'td',
+					$label,
+					Xml::label( $this->msg( 'interwiki-trans-label' )->text(), 'mw-interwiki-trans' )
+				) .
+				Html::rawElement(
+					'td',
+					$input,  Xml::check( 'wpInterwikiTrans', $trans, array( 'id' => 'mw-interwiki-trans' ) ) )
+			) . Html::rawElement( 'tr', null,
+				Html::rawElement(
+					'td',
+					$label,
+					Xml::label( $this->msg( 'interwiki-url-label' )->text(), 'mw-interwiki-url' )
+				) .
+				Html::rawElement( 'td', $input, Xml::input( 'wpInterwikiURL', 60, $defaulturl,
+					array( 'tabindex' => 1, 'maxlength' => 200, 'id' => 'mw-interwiki-url' ) ) )
+			);
+		}
+
+		$form = Xml::fieldset( $topmessage, Html::rawElement(
+			'form',
+			array(
+				'id' => "mw-interwiki-{$action}form",
+				'method' => 'post',
+				'action' => $this->getTitle()->getLocalUrl( array(
+					'action' => 'submit',
+					'prefix' => $prefix
+				) )
+			),
+			Html::rawElement( 'p', null, $intromessage ) .
+			Html::rawElement( 'table', array( 'id' => "mw-interwiki-{$action}" ),
+				$formContent . Html::rawElement( 'tr', null,
+					Html::rawElement( 'td', $label, Xml::label( $this->msg( 'interwiki_reasonfield' )->text(),
+						"mw-interwiki-{$action}reason" ) ) .
+					Html::rawElement( 'td', $input, Xml::input( 'wpInterwikiReason', 60, '',
+						array( 'tabindex' => 1, 'id' => "mw-interwiki-{$action}reason", 'maxlength' => 200 ) ) )
+				) .	Html::rawElement( 'tr', null,
+					Html::rawElement( 'td', null, '' ) .
+					Html::rawElement( 'td', array( 'class' => 'mw-submit' ),
+						Xml::submitButton( $this->msg( $button )->text(), array( 'id' => 'mw-interwiki-submit' ) ) )
+				) . $wpPrefix .
+				Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() ) .
+				Html::hidden( 'wpInterwikiAction', $action )
+			)
+		) );
+		$this->getOutput()->addHTML( $form );
+		return;
+	}
+
+	function doSubmit() {
+		global $wgContLang, $wgMemc;
+
+		$request = $this->getRequest();
+		$prefix = $request->getVal( 'wpInterwikiPrefix' );
+		$do = $request->getVal( 'wpInterwikiAction' );
+		// Show an error if the prefix is invalid (only when adding one).
+		// Invalid characters for a title should also be invalid for a prefix.
+		// Whitespace, ':', '&' and '=' are invalid, too.
+		// (Bug 30599).
+		global $wgLegalTitleChars;
+		$validPrefixChars = preg_replace( '/[ :&=]/', '', $wgLegalTitleChars );
+		if ( preg_match( "/\s|[^$validPrefixChars]/", $prefix ) && $do === 'add' ) {
+			$this->error( 'interwiki-badprefix', htmlspecialchars( $prefix ) );
+			$this->showForm( $do );
+			return;
+		}
+		$reason = $request->getText( 'wpInterwikiReason' );
+		$selfTitle = $this->getTitle();
+		$dbw = wfGetDB( DB_MASTER );
+		switch( $do ) {
+		case 'delete':
+			$dbw->delete( 'interwiki', array( 'iw_prefix' => $prefix ), __METHOD__ );
+
+			if ( $dbw->affectedRows() === 0 ) {
+				$this->error( 'interwiki_delfailed', $prefix );
+				$this->showForm( $do );
+			} else {
+				$this->getOutput()->addWikiMsg( 'interwiki_deleted', $prefix );
+				$log = new LogPage( 'interwiki' );
+				$log->addEntry( 'iw_delete', $selfTitle, $reason, array( $prefix ) );
+				$wgMemc->delete( wfMemcKey( 'interwiki', $prefix ) );
+			}
+			break;
+		case 'add':
+			$prefix = $wgContLang->lc( $prefix );
+			// N.B.: no break!
+		case 'edit':
+			$theurl = $request->getVal( 'wpInterwikiURL' );
+			$local = $request->getCheck( 'wpInterwikiLocal' ) ? 1 : 0;
+			$trans = $request->getCheck( 'wpInterwikiTrans' ) ? 1 : 0;
+			$data = array(
+				'iw_prefix' => $prefix,
+				'iw_url' => $theurl,
+				'iw_local' => $local,
+				'iw_trans' => $trans
+			);
+
+			if ( $prefix === '' || $theurl === '' ) {
+				$this->error( 'interwiki-submit-empty' );
+				$this->showForm( $do );
+				return;
+			}
+
+			// Simple URL validation: check that the protocol is one of
+			// the supported protocols for this wiki.
+			// (bug 30600)
+			if ( !wfParseUrl( $theurl ) ) {
+				$this->error( 'interwiki-submit-invalidurl' );
+				$this->showForm( $do );
+				return;
+			}
+
+			if ( $do === 'add' ) {
+				$dbw->insert( 'interwiki', $data, __METHOD__, 'IGNORE' );
+			} else { // $do === 'edit'
+				$dbw->update( 'interwiki', $data, array( 'iw_prefix' => $prefix ), __METHOD__, 'IGNORE' );
+			}
+
+			// used here: interwiki_addfailed, interwiki_added, interwiki_edited
+			if ( $dbw->affectedRows() === 0 ) {
+				$this->error( "interwiki_{$do}failed", $prefix );
+				$this->showForm( $do );
+			} else {
+				$this->getOutput()->addWikiMsg( "interwiki_{$do}ed", $prefix );
+				$log = new LogPage( 'interwiki' );
+				$log->addEntry( 'iw_' . $do, $selfTitle, $reason, array( $prefix, $theurl, $trans, $local ) );
+				$wgMemc->delete( wfMemcKey( 'interwiki', $prefix ) );
+			}
+			break;
+		}
+	}
+
+	function showList() {
+		$canModify = $this->canModify();
+
+		$this->getOutput()->addWikiMsg( 'interwiki_intro' );
+		// Make collapsible.
+		$this->getOutput()->addHTML(
+			Html::openElement(
+				'div', array(
+					'class' => 'mw-collapsible mw-collapsed',
+					'data-collapsetext' => $this->msg( 'interwiki-legend-hide' )->escaped(),
+					'data-expandtext' => $this->msg('interwiki-legend-show' )->escaped()
+		) ) );
+		$this->getOutput()->addHTML(
+			Html::rawElement(
+				'table', array( 'class' => 'mw-interwikitable wikitable intro' ),
+				$this->addInfoRow( 'start', 'interwiki_prefix', 'interwiki_prefix_intro' ) . "\n" .
+				$this->addInfoRow( 'start', 'interwiki_url', 'interwiki_url_intro' ) . "\n" .
+				$this->addInfoRow( 'start', 'interwiki_local', 'interwiki_local_intro' ) . "\n" .
+				$this->addInfoRow( 'end', 'interwiki_0', 'interwiki_local_0_intro' ) . "\n" .
+				$this->addInfoRow( 'end', 'interwiki_1', 'interwiki_local_1_intro' ) . "\n" .
+				$this->addInfoRow( 'start', 'interwiki_trans', 'interwiki_trans_intro' ) . "\n" .
+				$this->addInfoRow( 'end', 'interwiki_0', 'interwiki_trans_0_intro' ) . "\n" .
+				$this->addInfoRow( 'end', 'interwiki_1', 'interwiki_trans_1_intro' ) . "\n"
+			)
+		);
+
+		$this->getOutput()->addHTML( Html::closeElement( 'div' ) ); // end collapsible.
+
+		if ( $canModify ) {
+			$this->getOutput()->addHTML( "<br />" . $this->msg( 'interwiki_intro_footer' )->parse() );
+			$addtext = $this->msg( 'interwiki_addtext' )->escaped();
+			$addlink = Linker::linkKnown( $this->getTitle( 'add' ), $addtext );
+			$this->getOutput()->addHTML( '<p class="mw-interwiki-addlink">' . $addlink . '</p>' );
+		}
+
+		if ( !method_exists( 'Interwiki', 'getAllPrefixes' ) ) {
+			# version 2.0 is not backwards compatible (but still display nice error)
+			$this->error( 'interwiki_error' );
+			return;
+		}
+		$iwPrefixes = Interwiki::getAllPrefixes( null );
+
+		if ( !is_array( $iwPrefixes ) || count( $iwPrefixes ) === 0 ) {
+			# If the interwiki table is empty, display an error message
+			$this->error( 'interwiki_error' );
+			return;
+		}
+
+		# Output the existing Interwiki prefixes table header
+		$out = '';
+		$out .=	Html::openElement(
+			'table',
+			array( 'class' => 'mw-interwikitable wikitable sortable body' )
+		) . "\n";
+		$out .= Html::openElement( 'tr', array( 'id' => 'interwikitable-header' ) ) .
+			Html::element( 'th', null, $this->msg( 'interwiki_prefix' )->text() ) .
+			Html::element( 'th', null, $this->msg( 'interwiki_url' )->text() ) .
+			Html::element( 'th', null, $this->msg( 'interwiki_local' )->text() ) .
+			Html::element( 'th', null, $this->msg( 'interwiki_trans' )->text() ) .
+			( $canModify ?
+				Html::element(
+					'th',
+					array( 'class' => 'unsortable' ),
+					$this->msg( 'interwiki_edit' )->text()
+				) :
+				''
+			);
+		$out .= Html::closeElement( 'tr' ) . "\n";
+
+		$selfTitle = $this->getTitle();
+
+		# Output the existing Interwiki prefixes table rows
+		foreach ( $iwPrefixes as $iwPrefix ) {
+			$out .= Html::openElement( 'tr', array( 'class' => 'mw-interwikitable-row' ) );
+			$out .= Html::element( 'td', array( 'class' => 'mw-interwikitable-prefix' ),
+				$iwPrefix['iw_prefix'] );
+			$out .= Html::element(
+				'td',
+				array( 'class' => 'mw-interwikitable-url' ),
+				$iwPrefix['iw_url']
+			);
+			$attribs = array( 'class' => 'mw-interwikitable-local' );
+			// Green background for cells with "yes".
+			if( $iwPrefix['iw_local'] ) {
+				$attribs['style'] = 'background: lime;';
+			}
+			// The messages interwiki_0 and interwiki_1 are used here.
+			$contents = isset( $iwPrefix['iw_local'] ) ?
+				$this->msg( 'interwiki_' . $iwPrefix['iw_local'] )->text() :
+				'-';
+			$out .= Html::element( 'td', $attribs, $contents );
+			$attribs = array( 'class' => 'mw-interwikitable-trans' );
+			// Green background for cells with "yes".
+			if( $iwPrefix['iw_trans'] ) {
+				$attribs['style'] = 'background: lime;';
+			}
+			// The messages interwiki_0 and interwiki_1 are used here.
+			$contents = isset( $iwPrefix['iw_trans'] ) ?
+				$this->msg( 'interwiki_' . $iwPrefix['iw_trans'] )->text() :
+				'-';
+			$out .= Html::element( 'td', $attribs, $contents );
+
+			// Additional column when the interwiki table can be modified.
+			if ( $canModify ) {
+				$out .= Html::rawElement( 'td', array( 'class' => 'mw-interwikitable-modify' ),
+					Linker::linkKnown( $selfTitle, $this->msg( 'edit' )->escaped(), array(),
+						array( 'action' => 'edit', 'prefix' => $iwPrefix['iw_prefix'] ) ) .
+					$this->msg( 'comma-separator' ) .
+					Linker::linkKnown( $selfTitle, $this->msg( 'delete' )->escaped(), array(),
+						array( 'action' => 'delete', 'prefix' => $iwPrefix['iw_prefix'] ) )
+				);
+			}
+			$out .= Html::closeElement( 'tr' ) . "\n";
+		}
+		$out .= Html::closeElement( 'table' );
+
+		$this->getOutput()->addHTML( $out );
+	}
+
+	/**
+	 * Adds a row to the documentation table on the top of Special:Interwiki.
+	 * @param $align string
+	 * @param $title string
+	 * @param $text string
+	 * @return string
+	 */
+	private function addInfoRow( $align = 'start', $title, $text ) {
+		return Html::rawElement( 'tr', null,
+			// The classes mw-align-start and mw-align-end are used here.
+			Html::rawElement(
+				'th',
+				array( 'class' => 'mw-align-' . $align ),
+				$this->msg( $title )->escaped()
+			) .
+			// This message is expected to have wiki syntax
+			Html::rawElement( 'td', null, $this->msg( $text )->parse() )
+		);
+	}
+
+	function error() {
+		$args = func_get_args();
+		$this->getOutput()->wrapWikiMsg( "<p class='error'>$1</p>", $args );
+	}
+}
+
+/**
+ * Needed to pass the URL as a raw parameter, because it contains $1
+ */
+class InterwikiLogFormatter extends LogFormatter {
+	/**
+	 * @return array
+	 */
+	protected function getMessageParameters() {
+		$params = parent::getMessageParameters();
+		if ( isset( $params[4] ) ) {
+			$params[4] = Message::rawParam( htmlspecialchars( $params[4] ) );
+		}
+		return $params;
+	}
+}