X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/490a9458c8310140a255b30330e9940fb68e27ef..90de50e27049ae19492dd9843e50618ea4ed5d14:/lisp/emacs-lisp/derived.el

diff --git a/lisp/emacs-lisp/derived.el b/lisp/emacs-lisp/derived.el
index 684f9d9087..a6ccedc031 100644
--- a/lisp/emacs-lisp/derived.el
+++ b/lisp/emacs-lisp/derived.el
@@ -1,11 +1,11 @@
 ;;; derived.el --- allow inheritance of major modes
 ;; (formerly mode-clone.el)
 
-;; Copyright (C) 1993-1994, 1999, 2001-2013 Free Software Foundation,
+;; Copyright (C) 1993-1994, 1999, 2001-2014 Free Software Foundation,
 ;; Inc.
 
 ;; Author: David Megginson (dmeggins@aix1.uottawa.ca)
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
 ;; Keywords: extensions
 ;; Package: emacs
 
@@ -192,12 +192,11 @@ See Info node `(elisp)Derived Modes' for more details."
 		     parent child docstring syntax abbrev))
 
     `(progn
-       (unless (get ',hook 'variable-documentation)
-	 (put ',hook 'variable-documentation
-	      (purecopy ,(format "Hook run when entering %s mode.
+       (defvar ,hook nil
+         ,(format "Hook run after entering %s mode.
 No problems result if this variable is not bound.
 `add-hook' automatically binds it.  (This is true for all hook variables.)"
-		       name))))
+                  name))
        (unless (boundp ',map)
 	 (put ',map 'definition-name ',child))
        (with-no-warnings (defvar ,map (make-sparse-keymap)))