--- a/includes/functions.php	Tue Jan 19 10:02:30 2010 -0500
+++ b/includes/functions.php	Sun Feb 07 17:07:42 2010 -0500
@@ -2739,7 +2739,7 @@
     return $page_id;
   }
 
-  preg_match_all('/\.[A-Fa-f0-9][A-Fa-f0-9]/', $page_id, $matches);
+  preg_match_all('/\.[a-f0-9][a-f0-9]/', $page_id, $matches);
 
   foreach ( $matches[0] as $id => $char )
   {