Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.1336
diff -u -p -r1.1336 node.module
--- modules/node/node.module	3 Jan 2011 18:03:54 -0000	1.1336
+++ modules/node/node.module	22 Jan 2011 11:07:28 -0000
@@ -865,16 +865,16 @@ function node_hook($node, $hook) {
  *   A node object or a string containing the node type.
  * @param $hook
  *   A string containing the name of the hook.
- * @param $a2, $a3, $a4
- *   Arguments to pass on to the hook, after the $node argument.
+ * @param $a2
+ *   Argument to pass on to the hook, after the $node argument.
  * @return
  *   The returned value of the invoked hook.
  */
-function node_invoke($node, $hook, $a2 = NULL, $a3 = NULL, $a4 = NULL) {
+function node_invoke($node, $hook, $a2 = NULL) {
   if (node_hook($node, $hook)) {
     $base = node_type_get_base($node);
     $function = $base . '_' . $hook;
-    return ($function($node, $a2, $a3, $a4));
+    return ($function($node, $a2));
   }
 }