views_nid_type function not yet implemented

I hope I have not overlooked some dependency, but in the latest 6.3-dev from CVS views_nid_type is used but has not been implemented yet. I have reverted the relevant update, but I guess I am missing something.

--- modules/node/views_plugin_argument_validate_node.inc  (revision 1150)
+++ modules/node/views_plugin_argument_validate_node.inc  (working copy)
@@ -93,7 +93,7 @@
       case 'nids':
         $nids = new stdClass();
         $nids->value = array($argument);
-        $nids = views_nid_type($argument, $nids);
+        $nids = views_break_phrase($argument, $nids);
         if ($nids->value == -1) {
           return FALSE;
         }