Index: branches/RC/core/units/general/helpers/sections_helper.php
===================================================================
diff -u -r9046 -r9258
--- branches/RC/core/units/general/helpers/sections_helper.php	(.../sections_helper.php)	(revision 9046)
+++ branches/RC/core/units/general/helpers/sections_helper.php	(.../sections_helper.php)	(revision 9258)
@@ -89,6 +89,10 @@
 						$section_params['onclick'] = 'checkEditMode()';
 					}
 
+					if (!isset($section_params['container'])) {
+						$section_params['container'] = 0; // for js tree printing to xml
+					}
+
 					$current_data = isset($this->Tree[$section_name]) ? $this->Tree[$section_name] : Array();
 					$this->Tree[$section_name] = array_merge_recursive2($current_data, $section_params);
 				}