Index: class-wp-walker.php
===================================================================
--- class-wp-walker.php	(revision 39637)
+++ class-wp-walker.php	(working copy)
@@ -404,6 +404,7 @@
 	/**
 	 * Unset all the children for a given top level element.
 	 *
+	 * @since 2.7.0
 	 * @param object $e
 	 * @param array $children_elements
 	 */
