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author | Phil Sainty <psainty@orcon.net.nz> | 2017-10-16 23:38:42 +1300 |
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committer | Noam Postavsky <npostavs@gmail.com> | 2017-10-31 08:20:30 -0400 |
commit | 3e7ebbe1bd5d33476190c789d17e4dd2d5f1bdfb (patch) | |
tree | 9b4eb6814ee124c10d1b4e2dc4c06385a160a515 /lisp/emacs-lisp/easy-mmode.el | |
parent | 9c8fe0248b95b1faa9f97d14fe16d3356130dee8 (diff) | |
download | emacs-3e7ebbe1bd5d33476190c789d17e4dd2d5f1bdfb.tar.gz |
Don't clobber docstrings of explicitly-defined mode hook variables
* lisp/emacs-lisp/derived.el (define-derived-mode):
* lisp/emacs-lisp/easy-mmode.el (define-minor-mode): When defining the
mode hook variable, do not clobber pre-existing docstrings.
Diffstat (limited to 'lisp/emacs-lisp/easy-mmode.el')
-rw-r--r-- | lisp/emacs-lisp/easy-mmode.el | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lisp/emacs-lisp/easy-mmode.el b/lisp/emacs-lisp/easy-mmode.el index bf087fc2e9a..ac8dcc69d21 100644 --- a/lisp/emacs-lisp/easy-mmode.el +++ b/lisp/emacs-lisp/easy-mmode.el @@ -309,11 +309,13 @@ the mode if ARG is omitted or nil, and toggle it if ARG is `toggle'. ;; up-to-here. :autoload-end - (defvar ,hook nil - ,(format "Hook run after entering or leaving `%s'. + (defvar ,hook nil) + (unless (get ',hook 'variable-documentation) + (put ',hook 'variable-documentation + ,(format "Hook run after entering or leaving `%s'. No problems result if this variable is not bound. `add-hook' automatically binds it. (This is true for all hook variables.)" - modefun)) + modefun))) ;; Define the minor-mode keymap. ,(unless (symbolp keymap) ;nil is also a symbol. |