Index: branches/5.3.x/core/kernel/utility/temp_handler.php
===================================================================
diff -u -N -r15932 -r15947
--- branches/5.3.x/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 15932)
+++ branches/5.3.x/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 15947)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: temp_handler.php 15932 2013-08-12 13:25:20Z alex $
+* @version	$Id: temp_handler.php 15947 2013-08-23 13:48:32Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -1374,6 +1374,16 @@
 	{
 		parent::__construct($prefix, $ids);
 
+		// editing sub-item, linked to multiple parents directly
+		if ( is_array($this->_foreignKey) ) {
+			$this->_multipleParents = true;
+			$this->_foreignKey = reset($this->_foreignKey);
+		}
+
+		if ( is_array($this->_parentTableKey) ) {
+			$this->_parentTableKey = reset($this->_parentTableKey);
+		}
+
 		$this->_setAsLastUsed();
 		$this->_addSubTables();
 	}