Index: branches/5.2.x/core/admin_templates/js/template_manager.js
===================================================================
diff -u -N -r15257 -r15331
--- branches/5.2.x/core/admin_templates/js/template_manager.js	(.../template_manager.js)	(revision 15257)
+++ branches/5.2.x/core/admin_templates/js/template_manager.js	(.../template_manager.js)	(revision 15331)
@@ -64,7 +64,7 @@
 						var $target = $($e.target),
 							$id = $target.attr('id');
 
-						if ( $id && ($id == 'tool_history' || $id == 'div_history') ) {
+						if ( $id && ($id == 'div_history' || $target.parent().attr('id') == 'div_history') ) {
 							return ;
 						}