From 35eafad0ecfc409175a2f81e62373330b5cf72af Mon Sep 17 00:00:00 2001
From: Petr Skoda <skodak@moodle.org>
Date: Sat, 6 Feb 2010 19:41:20 +0000
Subject: [PATCH] MDL-21400 fixed borked yui CSS when image contained "_"

---
 theme/yui_combo.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/theme/yui_combo.php b/theme/yui_combo.php
index 1502c393be4..5306c9c5be3 100644
--- a/theme/yui_combo.php
+++ b/theme/yui_combo.php
@@ -71,7 +71,7 @@ foreach ($parts as $part) {
 
     if ($mimetype === 'text/css') {
         // search for all images in yui2 CSS and serve them through the yui_image.php script
-        $filecontent = preg_replace('/([a-z-]+)\.(png|gif)/', 'yui_image.php?file='.$version.'/$1.$2', $filecontent);
+        $filecontent = preg_replace('/([a-z_-]+)\.(png|gif)/', 'yui_image.php?file='.$version.'/$1.$2', $filecontent);
     }
 
     $content .= $filecontent;