? edit_pre_render.patch
Index: noderelationships.pages.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/noderelationships/Attic/noderelationships.pages.inc,v
retrieving revision 1.1.2.28
diff -u -p -r1.1.2.28 noderelationships.pages.inc
--- noderelationships.pages.inc	16 May 2010 18:26:01 -0000	1.1.2.28
+++ noderelationships.pages.inc	22 May 2010 10:41:03 -0000
@@ -716,6 +716,12 @@ function _noderelationships_child_node_f
  * Alter edit child node form.
  */
 function _noderelationships_child_edit_form_alter(&$form) {
+  // Install a pre_render callback.
+  if (!isset($form['#pre_render'])) {
+    $form['#pre_render'] = array();
+  }
+  $form['#pre_render'][] = '_noderelationships_child_node_form_pre_render_proxy';
+
   // Append our submit handler so we can tell the parent window to close
   // the modal frame and update the node reference field.
   $form['buttons']['submit']['#submit'][] = '_noderelationships_child_node_form_submit_proxy';