From ede64c3d1e557f7c1fded44adf18440a21ea0807 Mon Sep 17 00:00:00 2001
From: Huji <huji@users.mediawiki.org>
Date: Thu, 24 Jan 2008 12:52:53 +0000
Subject: [PATCH] (bug 12753) Empty captions in MediaWiki:Sidebar result in PHP
 errors

---
 RELEASE-NOTES     | 1 +
 includes/Skin.php | 1 +
 2 files changed, 2 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index a20975de9e..d17735ecba 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -336,6 +336,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 6436) Localization of Special:Import XML parser Error message(s).
 * Security fix for API on MSIE
 * (bug 12768) Database query syntax error in maintenance/storage/compressOld.inc
+* (bug 12753) Empty captions in MediaWiki:Sidebar result in PHP errors
 
 == Parser changes in 1.12 ==
 
diff --git a/includes/Skin.php b/includes/Skin.php
index fe4bb93974..b6d15bd131 100644
--- a/includes/Skin.php
+++ b/includes/Skin.php
@@ -1626,6 +1626,7 @@ END;
 			if (strpos($line, '**') !== 0) {
 				$line = trim($line, '* ');
 				$heading = $line;
+				if( strlen($heading) == 0) $heading='';
 			} else {
 				if (strpos($line, '|') !== false) { // sanity check
 					$line = explode( '|' , trim($line, '* '), 2 );
-- 
2.20.1