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, 204 insertions, 105 deletions

diff --git a/includes/installer/WebInstallerPage.php b/includes/installer/WebInstallerPage.php
index a193afb7..ad399133 100644
--- a/includes/installer/WebInstallerPage.php
+++ b/includes/installer/WebInstallerPage.php
@@ -36,7 +36,7 @@ abstract class WebInstallerPage {
 	 */
 	public $parent;
 
-	public abstract function execute();
+	abstract public function execute();
 
 	/**
 	 * Constructor.
@@ -74,6 +74,10 @@ abstract class WebInstallerPage {
 		);
 	}
 
+	/**
+	 * @param string|bool $continue
+	 * @param string|bool $back
+	 */
 	public function endForm( $continue = 'continue', $back = 'back' ) {
 		$s = "<div class=\"config-submit\">\n";
 		$id = $this->getId();
@@ -84,25 +88,36 @@ abstract class WebInstallerPage {
 
 		if ( $continue ) {
 			// Fake submit button for enter keypress (bug 26267)
-			$s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
-				array( 'name' => "enter-$continue", 'style' =>
-					'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
+			// Messages: config-continue, config-restart, config-regenerate
+			$s .= Xml::submitButton(
+				wfMessage( "config-$continue" )->text(),
+				array(
+					'name' => "enter-$continue",
+					'style' => 'visibility:hidden;overflow:hidden;width:1px;margin:0'
+				)
+			) . "\n";
 		}
 
 		if ( $back ) {
-			$s .= Xml::submitButton( wfMessage( "config-$back" )->text(),
+			// Message: config-back
+			$s .= Xml::submitButton(
+				wfMessage( "config-$back" )->text(),
 				array(
 					'name' => "submit-$back",
 					'tabindex' => $this->parent->nextTabIndex()
-				) ) . "\n";
+				)
+			) . "\n";
 		}
 
 		if ( $continue ) {
-			$s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
+			// Messages: config-continue, config-restart, config-regenerate
+			$s .= Xml::submitButton(
+				wfMessage( "config-$continue" )->text(),
 				array(
 					'name' => "submit-$continue",
 					'tabindex' => $this->parent->nextTabIndex(),
-				) ) . "\n";
+				)
+			) . "\n";
 		}
 
 		$s .= "</div></form></div>\n";
@@ -128,7 +143,7 @@ abstract class WebInstallerPage {
 	/**
 	 * Get the starting tags of a fieldset.
 	 *
-	 * @param $legend String: message name
+	 * @param string $legend message name
 	 *
 	 * @return string
 	 */
@@ -204,6 +219,7 @@ class WebInstaller_Language extends WebInstallerPage {
 				if ( isset( $languages[$contLang] ) ) {
 					$this->setVar( 'wgLanguageCode', $contLang );
 				}
+
 				return 'continue';
 			}
 		} elseif ( $this->parent->showSessionWarning ) {
@@ -251,13 +267,15 @@ class WebInstaller_Language extends WebInstallerPage {
 		$languages = Language::fetchLanguageNames();
 		ksort( $languages );
 		foreach ( $languages as $code => $lang ) {
-			if ( isset( $wgDummyLanguageCodes[$code] ) ) continue;
+			if ( isset( $wgDummyLanguageCodes[$code] ) ) {
+				continue;
+			}
 			$s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 		}
 		$s .= "\n</select>\n";
+
 		return $this->parent->label( $label, $name, $s );
 	}
-
 }
 
 class WebInstaller_ExistingWiki extends WebInstallerPage {
@@ -271,8 +289,8 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 		// Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 		if ( $vars['wgUpgradeKey'] !== false
 			&& $this->getVar( '_UpgradeKeySupplied' )
-			&& $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
-		{
+			&& $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey']
+		) {
 			// It's there, so the user is authorized
 			$status = $this->handleExistingUpgrade( $vars );
 			if ( $status->isOK() ) {
@@ -281,6 +299,7 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 				$this->startForm();
 				$this->parent->showStatusBox( $status );
 				$this->endForm( 'continue' );
+
 				return 'output';
 			}
 		}
@@ -299,6 +318,7 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 					$this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
 			) );
 			$this->endForm( 'continue' );
+
 			return 'output';
 		}
 
@@ -307,9 +327,10 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 		$r = $this->parent->request;
 		if ( $r->wasPosted() ) {
 			$key = $r->getText( 'config_wgUpgradeKey' );
-			if( !$key || $key !== $vars['wgUpgradeKey'] ) {
+			if ( !$key || $key !== $vars['wgUpgradeKey'] ) {
 				$this->parent->showError( 'config-localsettings-badkey' );
 				$this->showKeyForm();
+
 				return 'output';
 			}
 			// Key was OK
@@ -319,10 +340,12 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 			} else {
 				$this->parent->showStatusBox( $status );
 				$this->showKeyForm();
+
 				return 'output';
 			}
 		} else {
 			$this->showKeyForm();
+
 			return 'output';
 		}
 	}
@@ -333,7 +356,7 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 	protected function showKeyForm() {
 		$this->startForm();
 		$this->addHTML(
-			$this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ).
+			$this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ) .
 			'<br />' .
 			$this->parent->getTextBox( array(
 				'var' => 'wgUpgradeKey',
@@ -352,24 +375,26 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 			}
 			$this->setVar( $name, $vars[$name] );
 		}
+
 		return $status;
 	}
 
 	/**
 	 * Initiate an upgrade of the existing database
-	 * @param $vars array Variables from LocalSettings.php and AdminSettings.php
+	 * @param array $vars Variables from LocalSettings.php and AdminSettings.php
 	 * @return Status
 	 */
 	protected function handleExistingUpgrade( $vars ) {
 		// Check $wgDBtype
 		if ( !isset( $vars['wgDBtype'] ) ||
-			 !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
+			!in_array( $vars['wgDBtype'], Installer::getDBTypes() )
+		) {
 			return Status::newFatal( 'config-localsettings-connection-error', '' );
 		}
 
 		// Set the relevant variables from LocalSettings.php
 		$requiredVars = array( 'wgDBtype' );
-		$status = $this->importVariables( $requiredVars , $vars );
+		$status = $this->importVariables( $requiredVars, $vars );
 		$installer = $this->parent->getDBInstaller();
 		$status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 		if ( !$status->isOK() ) {
@@ -393,11 +418,13 @@ class WebInstaller_ExistingWiki extends WebInstallerPage {
 			// Adjust the error message to explain things correctly
 			$status->replaceMessage( 'config-connection-error',
 				'config-localsettings-connection-error' );
+
 			return $status;
 		}
 
 		// All good
 		$this->setVar( '_ExistingDBSettings', true );
+
 		return $status;
 	}
 }
@@ -422,8 +449,9 @@ class WebInstaller_Welcome extends WebInstallerPage {
 		} else {
 			$this->parent->showStatusMessage( $status );
 		}
-	}
 
+		return '';
+	}
 }
 
 class WebInstaller_DBConnect extends WebInstallerPage {
@@ -439,6 +467,7 @@ class WebInstaller_DBConnect extends WebInstallerPage {
 
 			if ( $status->isGood() ) {
 				$this->setVar( '_UpgradeDone', false );
+
 				return 'continue';
 			} else {
 				$this->parent->showStatusBox( $status );
@@ -451,15 +480,23 @@ class WebInstaller_DBConnect extends WebInstallerPage {
 		$settings = '';
 		$defaultType = $this->getVar( 'wgDBtype' );
 
+		// Messages: config-dbsupport-mysql, config-dbsupport-postgres, config-dbsupport-oracle,
+		// config-dbsupport-sqlite
 		$dbSupport = '';
-		foreach( $this->parent->getDBTypes() as $type ) {
-			$link = DatabaseBase::factory( $type )->getSoftwareLink();
-			$dbSupport .= wfMessage( "config-support-$type", $link )->plain() . "\n";
+		foreach ( $this->parent->getDBTypes() as $type ) {
+			$dbSupport .= wfMessage( "config-dbsupport-$type" )->plain() . "\n";
 		}
 		$this->addHTML( $this->parent->getInfoBox(
 			wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
 
-		foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
+		// It's possible that the library for the default DB type is not compiled in.
+		// In that case, instead select the first supported DB type in the list.
+		$compiledDBs = $this->parent->getCompiledDBs();
+		if ( !in_array( $defaultType, $compiledDBs ) ) {
+			$defaultType = $compiledDBs[0];
+		}
+
+		foreach ( $compiledDBs as $type ) {
 			$installer = $this->parent->getDBInstaller( $type );
 			$types .=
 				'<li>' .
@@ -473,34 +510,40 @@ class WebInstaller_DBConnect extends WebInstallerPage {
 				) .
 				"</li>\n";
 
-			$settings .=
-				Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type,
-						'class' => 'dbWrapper' ) ) .
+			// Messages: config-header-mysql, config-header-postgres, config-header-oracle,
+			// config-header-sqlite
+			$settings .= Html::openElement(
+					'div',
+					array(
+						'id' => 'DB_wrapper_' . $type,
+						'class' => 'dbWrapper'
+					)
+				) .
 				Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
 				$installer->getConnectForm() .
 				"</div>\n";
 		}
-		$types .= "</ul><br style=\"clear: left\"/>\n";
 
-		$this->addHTML(
-			$this->parent->label( 'config-db-type', false, $types ) .
-			$settings
-		);
+		$types .= "</ul><br style=\"clear: left\"/>\n";
 
+		$this->addHTML( $this->parent->label( 'config-db-type', false, $types ) . $settings );
 		$this->endForm();
 	}
 
 	public function submit() {
 		$r = $this->parent->request;
 		$type = $r->getVal( 'DBType' );
+		if ( !$type ) {
+			return Status::newFatal( 'config-invalid-db-type' );
+		}
 		$this->setVar( 'wgDBtype', $type );
 		$installer = $this->parent->getDBInstaller( $type );
 		if ( !$installer ) {
 			return Status::newFatal( 'config-invalid-db-type' );
 		}
+
 		return $installer->submitConnectForm();
 	}
-
 }
 
 class WebInstaller_Upgrade extends WebInstallerPage {
@@ -521,6 +564,7 @@ class WebInstaller_Upgrade extends WebInstallerPage {
 				// Show the done message again
 				// Make them click back again if they want to do the upgrade again
 				$this->showDoneMessage();
+
 				return 'output';
 			}
 		}
@@ -544,11 +588,12 @@ class WebInstaller_Upgrade extends WebInstallerPage {
 			if ( $result ) {
 				// If they're going to possibly regenerate LocalSettings, we
 				// need to create the upgrade/secret keys. Bug 26481
-				if( !$this->getVar( '_ExistingDBSettings' ) ) {
+				if ( !$this->getVar( '_ExistingDBSettings' ) ) {
 					$this->parent->generateKeys();
 				}
 				$this->setVar( '_UpgradeDone', true );
 				$this->showDoneMessage();
+
 				return 'output';
 			}
 		}
@@ -572,15 +617,14 @@ class WebInstaller_Upgrade extends WebInstallerPage {
 			$this->parent->getInfoBox(
 				wfMessage( $msg,
 					$this->getVar( 'wgServer' ) .
-						$this->getVar( 'wgScriptPath' ) . '/index' .
-						$this->getVar( 'wgScriptExtension' )
+					$this->getVar( 'wgScriptPath' ) . '/index' .
+					$this->getVar( 'wgScriptExtension' )
 				)->plain(), 'tick-32.png'
 			)
 		);
 		$this->parent->restoreLinkPopups();
 		$this->endForm( $regenerate ? 'regenerate' : false, false );
 	}
-
 }
 
 class WebInstaller_DBSettings extends WebInstallerPage {
@@ -609,7 +653,6 @@ class WebInstaller_DBSettings extends WebInstallerPage {
 		$this->addHTML( $form );
 		$this->endForm();
 	}
-
 }
 
 class WebInstaller_Name extends WebInstallerPage {
@@ -644,8 +687,11 @@ class WebInstaller_Name extends WebInstallerPage {
 			$this->parent->getTextBox( array(
 				'var' => 'wgSitename',
 				'label' => 'config-site-name',
-			  'help' => $this->parent->getHelpBox( 'config-site-name-help' )
+				'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 			) ) .
+			// getRadioSet() builds a set of labeled radio buttons.
+			// For grep: The following messages are used as the item labels:
+			// config-ns-site-name, config-ns-generic, config-ns-other
 			$this->parent->getRadioSet( array(
 				'var' => '_NamespaceType',
 				'label' => 'config-project-namespace',
@@ -657,9 +703,8 @@ class WebInstaller_Name extends WebInstallerPage {
 			) ) .
 			$this->parent->getTextBox( array(
 				'var' => 'wgMetaNamespace',
-				'label' => '', //TODO: Needs a label?
-				'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
-
+				'label' => '', // @todo Needs a label?
+				'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' )
 			) ) .
 			$this->getFieldSetStart( 'config-admin-box' ) .
 			$this->parent->getTextBox( array(
@@ -687,6 +732,9 @@ class WebInstaller_Name extends WebInstallerPage {
 			) ) .
 			$this->getFieldSetEnd() .
 			$this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
+			// getRadioSet() builds a set of labeled radio buttons.
+			// For grep: The following messages are used as the item labels:
+			// config-optional-continue, config-optional-skip
 			$this->parent->getRadioSet( array(
 				'var' => '_SkipOptional',
 				'itemLabelPrefix' => 'config-optional-',
@@ -698,6 +746,7 @@ class WebInstaller_Name extends WebInstallerPage {
 		$this->setVar( 'wgMetaNamespace', $metaNS );
 
 		$this->endForm();
+
 		return 'output';
 	}
 
@@ -750,7 +799,7 @@ class WebInstaller_Name extends WebInstallerPage {
 		// Make sure it won't conflict with any existing namespaces
 		global $wgContLang;
 		$nsIndex = $wgContLang->getNsIndex( $name );
-		if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
+		if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 			$this->parent->showError( 'config-ns-conflict', $name );
 			$retVal = false;
 		}
@@ -798,24 +847,22 @@ class WebInstaller_Name extends WebInstallerPage {
 
 		// Validate e-mail if provided
 		$email = $this->getVar( '_AdminEmail' );
-		if( $email && !Sanitizer::validateEmail( $email ) ) {
+		if ( $email && !Sanitizer::validateEmail( $email ) ) {
 			$this->parent->showError( 'config-admin-error-bademail' );
 			$retVal = false;
 		}
 		// If they asked to subscribe to mediawiki-announce but didn't give
 		// an e-mail, show an error. Bug 29332
-		if( !$email && $this->getVar( '_Subscribe' ) ) {
+		if ( !$email && $this->getVar( '_Subscribe' ) ) {
 			$this->parent->showError( 'config-subscribe-noemail' );
 			$retVal = false;
 		}
 
 		return $retVal;
 	}
-
 }
 
 class WebInstaller_Options extends WebInstallerPage {
-
 	public function execute() {
 		if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 			return 'skip';
@@ -830,6 +877,9 @@ class WebInstaller_Options extends WebInstallerPage {
 		$this->startForm();
 		$this->addHTML(
 			# User Rights
+			// getRadioSet() builds a set of labeled radio buttons.
+			// For grep: The following messages are used as the item labels:
+			// config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
 			$this->parent->getRadioSet( array(
 				'var' => '_RightsProfile',
 				'label' => 'config-profile',
@@ -839,6 +889,11 @@ class WebInstaller_Options extends WebInstallerPage {
 			$this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 
 			# Licensing
+			// getRadioSet() builds a set of labeled radio buttons.
+			// For grep: The following messages are used as the item labels:
+			// config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
+			// config-license-cc-0, config-license-pd, config-license-gfdl,
+			// config-license-none, config-license-cc-choose
 			$this->parent->getRadioSet( array(
 				'var' => '_LicenseCode',
 				'label' => 'config-license',
@@ -889,18 +944,27 @@ class WebInstaller_Options extends WebInstallerPage {
 
 		$extensions = $this->parent->findExtensions();
 
-		if( $extensions ) {
+		if ( $extensions ) {
 			$extHtml = $this->getFieldSetStart( 'config-extensions' );
 
-			foreach( $extensions as $ext ) {
+			/* Force a recache, so we load extensions descriptions */
+			global $wgLang;
+			$lc = Language::getLocalisationCache();
+			$lc->setInitialisedLanguages( array() );
+			$lc->getItem( $wgLang->mCode, '' );
+			LinkCache::singleton()->useDatabase( false );
+
+			foreach ( $extensions as $ext ) {
 				$extHtml .= $this->parent->getCheckBox( array(
-					'var' => "ext-$ext",
-					'rawtext' => $ext,
-				) );
+						'var' => "ext-{$ext['name']}",
+						'rawtext' => "<b>{$ext['name']}</b>: " .
+						wfMessage( $ext['descriptionmsg'] )->useDatabase( false )->parse(),
+					) );
+
 			}
 
 			$extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
-			$this->getFieldSetEnd();
+				$this->getFieldSetEnd();
 			$this->addHTML( $extHtml );
 		}
 
@@ -911,6 +975,10 @@ class WebInstaller_Options extends WebInstallerPage {
 				$this->getVar( 'wgDeletedDirectory' )
 			)
 		);
+		// If we're using the default, let the user set it relative to $wgScriptPath
+		$curLogo = $this->getVar( 'wgLogo' );
+		$logoString = ( $curLogo == "/wiki/skins/common/images/wiki.png" ) ?
+			'$wgStylePath/common/images/wiki.png' : $curLogo;
 
 		$uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 		$this->addHTML(
@@ -932,6 +1000,7 @@ class WebInstaller_Options extends WebInstallerPage {
 			'</div>' .
 			$this->parent->getTextBox( array(
 				'var' => 'wgLogo',
+				'value' => $logoString,
 				'label' => 'config-logo',
 				'attribs' => array( 'dir' => 'ltr' ),
 				'help' => $this->parent->getHelpBox( 'config-logo-help' )
@@ -947,24 +1016,27 @@ class WebInstaller_Options extends WebInstallerPage {
 		);
 
 		$caches = array( 'none' );
-		if( count( $this->getVar( '_Caches' ) ) ) {
+		if ( count( $this->getVar( '_Caches' ) ) ) {
 			$caches[] = 'accel';
 		}
 		$caches[] = 'memcached';
 
 		// We'll hide/show this on demand when the value changes, see config.js.
 		$cacheval = $this->getVar( 'wgMainCacheType' );
-		if (!$cacheval) {
+		if ( !$cacheval ) {
 			// We need to set a default here; but don't hardcode it
 			// or we lose it every time we reload the page for validation
 			// or going back!
 			$cacheval = 'none';
 		}
-		$hidden = ($cacheval == 'memcached') ? '' : 'display: none';
+		$hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
 		$this->addHTML(
 			# Advanced settings
 			$this->getFieldSetStart( 'config-advanced-settings' ) .
 			# Object cache settings
+			// getRadioSet() builds a set of labeled radio buttons.
+			// For grep: The following messages are used as the item labels:
+			// config-cache-none, config-cache-accel, config-cache-memcached
 			$this->parent->getRadioSet( array(
 				'var' => 'wgMainCacheType',
 				'label' => 'config-cache-options',
@@ -1001,12 +1073,13 @@ class WebInstaller_Options extends WebInstallerPage {
 		$styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
 			'/skins/common/config-cc.css';
 		$iframeUrl = 'http://creativecommons.org/license/?' .
-			wfArrayToCGI( array(
+			wfArrayToCgi( array(
 				'partner' => 'MediaWiki',
 				'exit_url' => $exitUrl,
 				'lang' => $this->getVar( '_UserLang' ),
 				'stylesheet' => $styleUrl,
 			) );
+
 		return $iframeUrl;
 	}
 
@@ -1024,10 +1097,9 @@ class WebInstaller_Options extends WebInstallerPage {
 		} else {
 			$iframeAttribs['src'] = $this->getCCPartnerUrl();
 		}
-		$wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
+		$wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
 
-		return
-			"<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
+		return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
 			Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 			"</div>\n";
 	}
@@ -1037,13 +1109,13 @@ class WebInstaller_Options extends WebInstallerPage {
 		// If you change this height, also change it in config.css
 		$expandJs = str_replace( '$1', '54em', $js );
 		$reduceJs = str_replace( '$1', '70px', $js );
-		return
-			'<p>'.
+
+		return '<p>' .
 			Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
 			'&#160;&#160;' .
 			htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
 			"</p>\n" .
-			"<p style=\"text-align: center\">" .
+			"<p style=\"text-align: center;\">" .
 			Html::element( 'a',
 				array(
 					'href' => $this->getCCPartnerUrl(),
@@ -1052,7 +1124,7 @@ class WebInstaller_Options extends WebInstallerPage {
 				wfMessage( 'config-cc-again' )->text()
 			) .
 			"</p>\n" .
-			"<script type=\"text/javascript\">\n" .
+			"<script>\n" .
 			# Reduce the wrapper div height
 			htmlspecialchars( $reduceJs ) .
 			"\n" .
@@ -1064,6 +1136,7 @@ class WebInstaller_Options extends WebInstallerPage {
 			array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
 		if ( count( $newValues ) != 3 ) {
 			$this->parent->showError( 'config-cc-error' );
+
 			return;
 		}
 		$this->setVar( '_CCDone', true );
@@ -1078,8 +1151,8 @@ class WebInstaller_Options extends WebInstallerPage {
 			'wgUseInstantCommons' ) );
 
 		if ( !in_array( $this->getVar( '_RightsProfile' ),
-			array_keys( $this->parent->rightsProfiles ) ) )
-		{
+			array_keys( $this->parent->rightsProfiles ) )
+		) {
 			reset( $this->parent->rightsProfiles );
 			$this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
 		}
@@ -1088,9 +1161,14 @@ class WebInstaller_Options extends WebInstallerPage {
 		if ( $code == 'cc-choose' ) {
 			if ( !$this->getVar( '_CCDone' ) ) {
 				$this->parent->showError( 'config-cc-not-chosen' );
+
 				return false;
 			}
 		} elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
+			// Messages:
+			// config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
+			// config-license-cc-0, config-license-pd, config-license-gfdl, config-license-none,
+			// config-license-cc-choose
 			$entry = $this->parent->licenses[$code];
 			if ( isset( $entry['text'] ) ) {
 				$this->setVar( 'wgRightsText', $entry['text'] );
@@ -1105,41 +1183,51 @@ class WebInstaller_Options extends WebInstallerPage {
 			$this->setVar( 'wgRightsIcon', '' );
 		}
 
-		$extsAvailable = $this->parent->findExtensions();
+		$extsAvailable = array_map(
+			function( $e ) {
+				if( isset( $e['name'] ) ) {
+					return $e['name'];
+				}
+			}, $this->parent->findExtensions() );
 		$extsToInstall = array();
-		foreach( $extsAvailable as $ext ) {
-			if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
-				$extsToInstall[] = $ext;
+		foreach ( $extsAvailable as $key => $ext ) {
+			if ( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
+				$extsToInstall[] = $extsAvailable[ $key ];
 			}
 		}
 		$this->parent->setVar( '_Extensions', $extsToInstall );
 
-		if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
+		if ( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
 			$memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
-			if( !$memcServers ) {
+			if ( !$memcServers ) {
 				$this->parent->showError( 'config-memcache-needservers' );
+
 				return false;
 			}
 
-			foreach( $memcServers as $server ) {
+			foreach ( $memcServers as $server ) {
 				$memcParts = explode( ":", $server, 2 );
 				if ( !isset( $memcParts[0] )
-						|| ( !IP::isValid( $memcParts[0] )
-							&& ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) ) ) {
+					|| ( !IP::isValid( $memcParts[0] )
+						&& ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) )
+				) {
 					$this->parent->showError( 'config-memcache-badip', $memcParts[0] );
+
 					return false;
-				} elseif( !isset( $memcParts[1] )  ) {
+				} elseif ( !isset( $memcParts[1] ) ) {
 					$this->parent->showError( 'config-memcache-noport', $memcParts[0] );
+
 					return false;
-				} elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
+				} elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
 					$this->parent->showError( 'config-memcache-badport', 1, 65535 );
+
 					return false;
 				}
 			}
 		}
+
 		return true;
 	}
-
 }
 
 class WebInstaller_Install extends WebInstallerPage {
@@ -1148,18 +1236,18 @@ class WebInstaller_Install extends WebInstallerPage {
 	}
 
 	public function execute() {
-		if( $this->getVar( '_UpgradeDone' ) ) {
+		if ( $this->getVar( '_UpgradeDone' ) ) {
 			return 'skip';
-		} elseif( $this->getVar( '_InstallDone' ) ) {
+		} elseif ( $this->getVar( '_InstallDone' ) ) {
 			return 'continue';
-		} elseif( $this->parent->request->wasPosted() ) {
+		} elseif ( $this->parent->request->wasPosted() ) {
 			$this->startForm();
-			$this->addHTML("<ul>");
+			$this->addHTML( "<ul>" );
 			$results = $this->parent->performInstallation(
-				array( $this, 'startStage'),
+				array( $this, 'startStage' ),
 				array( $this, 'endStage' )
 			);
-			$this->addHTML("</ul>");
+			$this->addHTML( "</ul>" );
 			// PerformInstallation bails on a fatal, so make sure the last item
 			// completed before giving 'next.' Likewise, only provide back on failure
 			$lastStep = end( $results );
@@ -1171,11 +1259,16 @@ class WebInstaller_Install extends WebInstallerPage {
 			$this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
 			$this->endForm();
 		}
+
 		return true;
 	}
 
 	public function startStage( $step ) {
-		$this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() . wfMessage( 'ellipsis')->escaped() );
+		// Messages: config-install-database, config-install-tables, config-install-interwiki,
+		// config-install-stats, config-install-keys, config-install-sysop, config-install-mainpage
+		$this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() .
+			wfMessage( 'ellipsis' )->escaped() );
+
 		if ( $step == 'extension-tables' ) {
 			$this->startLiveBox();
 		}
@@ -1195,25 +1288,23 @@ class WebInstaller_Install extends WebInstallerPage {
 			$html = "<span class=\"error\">$html</span>";
 		}
 		$this->addHTML( $html . "</li>\n" );
-		if( !$status->isGood() ) {
+		if ( !$status->isGood() ) {
 			$this->parent->showStatusBox( $status );
 		}
 	}
-
 }
 
 class WebInstaller_Complete extends WebInstallerPage {
-
 	public function execute() {
 		// Pop up a dialog box, to make it difficult for the user to forget
 		// to download the file
 		$lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
 		if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
-			 strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
-			// JS appears the only method that works consistently with IE7+
-			$this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] .
-				'">jQuery( document ).ready( function() { document.location=' .
-				Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
+			strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false
+		) {
+			// JS appears to be the only method that works consistently with IE7+
+			$this->addHtml( "\n<script>jQuery( function () { document.location = " .
+			Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
 		} else {
 			$this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
 		}
@@ -1225,12 +1316,15 @@ class WebInstaller_Complete extends WebInstallerPage {
 				wfMessage( 'config-install-done',
 					$lsUrl,
 					$this->getVar( 'wgServer' ) .
-						$this->getVar( 'wgScriptPath' ) . '/index' .
-						$this->getVar( 'wgScriptExtension' ),
+					$this->getVar( 'wgScriptPath' ) . '/index' .
+					$this->getVar( 'wgScriptExtension' ),
 					'<downloadlink/>'
 				)->plain(), 'tick-32.png'
 			)
 		);
+		$this->addHTML( $this->parent->getInfoBox(
+			wfMessage( 'config-extension-link' )->text() ) );
+
 		$this->parent->restoreLinkPopups();
 		$this->endForm( false, false );
 	}
@@ -1245,6 +1339,7 @@ class WebInstaller_Restart extends WebInstallerPage {
 			if ( $really ) {
 				$this->parent->reset();
 			}
+
 			return 'continue';
 		}
 
@@ -1253,14 +1348,13 @@ class WebInstaller_Restart extends WebInstallerPage {
 		$this->addHTML( $s );
 		$this->endForm( 'restart' );
 	}
-
 }
 
 abstract class WebInstaller_Document extends WebInstallerPage {
 
-	protected abstract function getFileName();
+	abstract protected function getFileName();
 
-	public  function execute() {
+	public function execute() {
 		$text = $this->getFileContents();
 		$text = InstallDocFormatter::format( $text );
 		$this->parent->output->addWikiText( $text );
@@ -1270,24 +1364,26 @@ abstract class WebInstaller_Document extends WebInstallerPage {
 
 	public function getFileContents() {
 		$file = __DIR__ . '/../../' . $this->getFileName();
-		if( ! file_exists( $file ) ) {
+		if ( !file_exists( $file ) ) {
 			return wfMessage( 'config-nofile', $file )->plain();
 		}
+
 		return file_get_contents( $file );
 	}
-
 }
 
 class WebInstaller_Readme extends WebInstaller_Document {
-	protected function getFileName() { return 'README'; }
+	protected function getFileName() {
+		return 'README';
+	}
 }
 
 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
 	protected function getFileName() {
 		global $wgVersion;
 
-		if(! preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
-			throw new MWException('Variable $wgVersion has an invalid value.');
+		if ( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
+			throw new MWException( 'Variable $wgVersion has an invalid value.' );
 		}
 
 		return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
@@ -1295,10 +1391,13 @@ class WebInstaller_ReleaseNotes extends WebInstaller_Document {
 }
 
 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
-	protected function getFileName() { return 'UPGRADE'; }
+	protected function getFileName() {
+		return 'UPGRADE';
+	}
 }
 
 class WebInstaller_Copying extends WebInstaller_Document {
-	protected function getFileName() { return 'COPYING'; }
+	protected function getFileName() {
+		return 'COPYING';
+	}
 }
-