X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/266a86bd7fedf743225c2497956b73ecb2245196..97776f295d652aff97be91431ad53db5618ad2a2:/lisp/net/dig.el

diff --git a/lisp/net/dig.el b/lisp/net/dig.el
index 9392c73855..02cb627cfd 100644
--- a/lisp/net/dig.el
+++ b/lisp/net/dig.el
@@ -1,7 +1,6 @@
 ;;; dig.el --- Domain Name System dig interface
 
-;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2016 Free Software Foundation, Inc.
 
 ;; Author: Simon Josefsson <simon@josefsson.org>
 ;; Keywords: DNS BIND dig comm
@@ -129,12 +128,11 @@ Buffer should contain output generated by `dig-invoke'."
 
 (put 'dig-mode 'mode-class 'special)
 
-(defvar dig-mode-map nil)
-(unless dig-mode-map
-  (setq dig-mode-map (make-sparse-keymap))
-  (suppress-keymap dig-mode-map)
-
-  (define-key dig-mode-map "q" 'dig-exit))
+(defvar dig-mode-map
+  (let ((map (make-sparse-keymap)))
+    (suppress-keymap map)
+    (define-key map "q" 'dig-exit)
+    map))
 
 (define-derived-mode dig-mode nil "Dig"
   "Major mode for displaying dig output."