--- a/wp/wp-includes/rss-functions.php	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/rss-functions.php	Mon Oct 14 17:39:30 2019 +0200
@@ -5,5 +5,5 @@
  * @package WordPress
  */
 
-_deprecated_file( basename(__FILE__), '2.1', WPINC . '/rss.php' );
+_deprecated_file( basename(__FILE__), '2.1.0', WPINC . '/rss.php' );
 require_once( ABSPATH . WPINC . '/rss.php' );