Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.611.2.16
diff -u -r1.611.2.16 common.inc
--- includes/common.inc	11 Feb 2008 05:31:54 -0000	1.611.2.16
+++ includes/common.inc	12 Apr 2008 09:07:33 -0000
@@ -1531,7 +1531,7 @@
           // Wraps all @import arguments in url().
           $contents = preg_replace('/@import\s+(?!url)[\'"]?(\S*)\b[\'"]?/i', '@import url("\1")', $contents);
           // Fix all paths within this CSS file, ignoring absolute paths.
-          $data .= preg_replace('/url\(([\'"]?)(?![a-z]+:)/i', 'url(\1'. $path . '\2', $contents);
+          $data .= preg_replace('/url\(([\'"]?)(?![\'"]?(?:[a-z]+:|\/))/i', 'url(\1'. $path . '\2', $contents);
         }
       }
     }