--- a/functions.php	Wed Mar 26 11:10:20 2008 -0400
+++ b/functions.php	Mon Mar 31 07:40:30 2008 -0400
@@ -103,6 +103,7 @@
   {
     return true;
   }
+  status('Rebuilding playlist cache');
   $playlist_last_md5 = $effective_md5;
   // start XML parser
   try
@@ -148,6 +149,12 @@
     return false;
   $count = preg_match_all('/uniqueid="([a-fA-F0-9]+?)"/', $contents, $matches);
   $matches = implode("", $matches[1]);
+  if ( empty($matches) )
+  {
+    // sometimes current.xml has blank unique IDs
+    $count = preg_match_all('/url="([^"]+?)"/', $contents, $matches);
+    $matches = implode("", $matches[1]);
+  }
   return md5($matches);
 }