* lisp/rot13.el: Use lexical-binding

diff --git a/lisp/rot13.el b/lisp/rot13.el
index 55725473eaaac4c0810892090be88a4a3772fd68..d0e4048ad617e7e142af24d1ac9e770004d298db 100644 (file)
--- a/lisp/rot13.el
+++ b/lisp/rot13.el
@@ -1,4 +1,4 @@
-;;; rot13.el --- display a buffer in ROT13
+;;; rot13.el --- display a buffer in ROT13  -*- lexical-binding: t -*-
 
 ;; Copyright (C) 1988, 2001-2016 Free Software Foundation, Inc.