Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.815
diff -u -r1.815 node.module
--- modules/node/node.module	19 May 2007 13:31:51 -0000	1.815
+++ modules/node/node.module	20 May 2007 02:33:31 -0000
@@ -2721,6 +2721,18 @@
     return FALSE;
   }
 
+  // Check nodeapi 'access' hook.
+  // This happens before the module's own hook so that nodeapi can perform
+  // overrides.
+  $access = node_invoke_nodeapi($node, 'access', $op);
+  // node_invoke_nodeapi drops NULLs; so if no nodeapi actually responded
+  // to this, we'll have an empty return value, which means nothing cares
+  // and we move on.
+  if (!empty($access) && is_array($access)) {
+    // If any values were true, return true; otherwise, return false.
+    return (bool) array_filter($access);
+  }
+
   // Can't use node_invoke(), because the access hook takes the $op parameter
   // before the $node parameter.
   $module = node_get_types('module', $node);