Index: branches/RC/core/kernel/application.php
===================================================================
diff -u -N -r11661 -r11665
--- branches/RC/core/kernel/application.php	(.../application.php)	(revision 11661)
+++ branches/RC/core/kernel/application.php	(.../application.php)	(revision 11665)
@@ -1389,6 +1389,14 @@
 					else {
 						$this->StoreVar($stack_name, serialize($opener_stack));
 					}
+
+					/*// store window relations
+					$window_relations = $this->Application->RecallVar('window_relations');
+					$window_relations = $window_relations ? unserialize($window_relations) : Array ();
+					if (array_key_exists($wid, $window_relations)) {
+						unset($window_relations[$wid]);
+						$this->Application->StoreVar('window_relations', serialize($window_relations));
+					}*/
 				}
 				return $ret;
 			}