From 42257dc68a6d95618f7d5ad29e1e741a59aab2e3 Mon Sep 17 00:00:00 2001
From: Huji <huji@users.mediawiki.org>
Date: Thu, 24 Jan 2008 17:06:19 +0000
Subject: [PATCH] (bug 12753) Empty captions in MediaWiki:Sidebar result in PHP
 errors. * The previous commit didn't cover the cases where the whole caption
 line was missing.

---
 includes/Skin.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/Skin.php b/includes/Skin.php
index b6d15bd131..2d2a4aecc3 100644
--- a/includes/Skin.php
+++ b/includes/Skin.php
@@ -1626,7 +1626,6 @@ 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 );
@@ -1650,6 +1649,7 @@ END;
 						}
 					}
 
+					if( !isset($heading) ) $heading='';
 					$bar[$heading][] = array(
 						'text' => $text,
 						'href' => $href,
-- 
2.20.1