diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/emacs-lisp/easy-mmode.el | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/lisp/emacs-lisp/easy-mmode.el b/lisp/emacs-lisp/easy-mmode.el index a707d204f8b..a5a971a6981 100644 --- a/lisp/emacs-lisp/easy-mmode.el +++ b/lisp/emacs-lisp/easy-mmode.el @@ -84,10 +84,13 @@ replacing its case-insensitive matches with the literal string in LIGHTER." (defconst easy-mmode--arg-docstring " -If called interactively, enable %s if ARG is positive, and -disable it if ARG is zero or negative. If called from Lisp, -also enable the mode if ARG is omitted or nil, and toggle it -if ARG is `toggle'; disable the mode otherwise. +If called interactively, toggle `%s'. If the prefix argument is +positive, enable the mode, and if it is zero or negative, disable +the mode. + +If called from Lisp, toggle the mode if if ARG is `toggle'. +Enable the mode if ARG is nil, omitted, or is a positive number. +All other values will disable the mode. The mode's hook is called both when the mode is enabled and when it is disabled.") @@ -301,13 +304,20 @@ or call the function `%s'.")))) ,(easy-mmode--mode-docstring doc pretty-name keymap-sym) ;; Use `toggle' rather than (if ,mode 0 1) so that using ;; repeat-command still does the toggling correctly. - (interactive (list (or current-prefix-arg 'toggle))) + (interactive (list (if current-prefix-arg + (prefix-numeric-value current-prefix-arg) + 'toggle))) (let ((,last-message (current-message))) (,@setter - (if (eq arg 'toggle) - (not ,getter) - ;; A nil argument also means ON now. - (> (prefix-numeric-value arg) 0))) + (cond ((eq arg 'toggle) + (not ,getter)) + ((and (numberp arg) + (> arg 0)) + t) + ((eq arg nil) + t) + (t + nil))) ,@body ;; The on/off hooks are here for backward compatibility only. (run-hooks ',hook (if ,getter ',hook-on ',hook-off)) |