Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.84
diff -u -r1.84 menu.inc
--- includes/menu.inc	25 Aug 2005 21:14:16 -0000	1.84
+++ includes/menu.inc	15 Sep 2005 14:30:50 -0000
@@ -345,7 +345,7 @@
   }
 
   // We found one, and are allowed to execute it.
-  $arguments = array_key_exists('callback arguments', $menu['items'][$mid]) ? $menu['items'][$mid]['callback arguments'] : array();
+  $arguments = isset($menu['items'][$mid]['callback arguments']) ? $menu['items'][$mid]['callback arguments'] : array();
   $arg = substr($_GET['q'], strlen($menu['items'][$mid]['path']) + 1);
   if (strlen($arg)) {
     $arguments = array_merge($arguments, explode('/', $arg));