* wgMainPageTitle variable now available to JavaScript code to identify the main page link, so it doesn't have to be extracted from the link URLs.

Can be used to link to the main page, or check if we're currently on the main page, without having to hardcode the local name (which may be customized in the message)

RELEASE-NOTES

@@ -185,6 +185,8 @@ this. Was used when mwEmbed was going to be an extension.
   flags have tooltips.
 * (bug 15209) New hook BeforeInitialize called after everything has been setup
   but before Mediawiki::performRequestForTitle()
+* wgMainPageTitle variable now available to JavaScript code to identify the main
+  page link, so it doesn't have to be extracted from the link URLs.
 
 === Bug fixes in 1.16 ===
 

includes/Skin.php

@@ -379,6 +379,7 @@ class Skin extends Linker {
 			implode( "\t", $digitTransTable ),
 		);
 
+		$mainPage = Title::newFromText( wfMsgForContent( 'mainpage' ) );
 		$vars = array(
 			'skin' => $skinName,
 			'stylepath' => $wgStylePath,
@@ -408,6 +409,7 @@ class Skin extends Linker {
 			'wgEnableWriteAPI' => $wgEnableWriteAPI,
 			'wgSeparatorTransformTable' => $compactSeparatorTransTable,
 			'wgDigitTransformTable' => $compactDigitTransTable,
+			'wgMainPageTitle' => $mainPage ? $mainPage->getPrefixedText() : null,
 		);
 		if ( !( $wgContLang->hasVariants() ) ) {
 			unset( $vars['wgUserVariant'] );