Index: branches/RC/core/units/general/xml_helper.php
===================================================================
diff -u -r9297 -r9313
--- branches/RC/core/units/general/xml_helper.php	(.../xml_helper.php)	(revision 9297)
+++ branches/RC/core/units/general/xml_helper.php	(.../xml_helper.php)	(revision 9313)
@@ -29,14 +29,17 @@
 			xml_get_current_line_number($xml_parser)), E_USER_WARNING);
 		}
 		xml_parser_free($xml_parser);
-		return $this->RootElement;
+
+		$root_copy = $this->RootElement;
+
+		return $root_copy;
 	}
 
 	function startElement(&$Parser, &$Elem, $Attrs)
 	{
 		$parent =& $this->CurrentElement; // 1. $parent is now reference to $this->CurrentElement
 		$this->CurrentElement =& new kXMLNode($Elem, $Attrs); // 2. =& ensures, that new object won't be assigned to $parent as well (don't remove)
-		if (is_null($this->RootElement)) {
+		if (!isset($this->RootElement) || is_null($this->RootElement)) {
 			$this->RootElement =& $this->CurrentElement;
 		}
 		if (!is_null($parent)) {
@@ -58,8 +61,8 @@
 
 	function Clear()
 	{
-		$this->RootElement = null;
-		$this->CurrentElement = null;
+		unset($this->RootElement);
+		unset($this->CurrentElement);
 	}
 }