* lisp/obsolete/landmark.el: Add Obsolete-since header

diff --git a/lisp/obsolete/landmark.el b/lisp/obsolete/landmark.el
index 566587ab884543f8344e9d3f777d18b1235203e5..cd397ae752a23a30d4e0305801bbd2a5fc451963 100644 (file)
--- a/lisp/obsolete/landmark.el
+++ b/lisp/obsolete/landmark.el
@@ -6,6 +6,7 @@
 ;; Created: December 16, 1996 - first release to usenet
 ;; Keywords: games, neural network, adaptive search, chemotaxis
 ;; Version: 1.0
+;; Obsolete-since: 25.1
 
 ;; This file is part of GNU Emacs.