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-rw-r--r--lisp/emacs-lisp/derived.el7
1 files changed, 3 insertions, 4 deletions
diff --git a/lisp/emacs-lisp/derived.el b/lisp/emacs-lisp/derived.el
index 684f9d90878..96c223c9e18 100644
--- a/lisp/emacs-lisp/derived.el
+++ b/lisp/emacs-lisp/derived.el
@@ -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)))