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bug#6037: 24.0.50; menu-bar-mode function doesn't toggle
From: |
Joe Brenner |
Subject: |
bug#6037: 24.0.50; menu-bar-mode function doesn't toggle |
Date: |
Mon, 26 Apr 2010 10:41:19 -0700 |
Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> > The menu-bar-mode function is not working as a toggle.
>
> See etc/NEWS.
So I gather you're referring to this:
* Incompatible Lisp Changes in Emacs 24.1
** Test for special mode-class was moved from view-file to view-buffer.
** Passing a nil argument to a minor mode function now turns the mode
ON unconditionally.
You're of the opinion that using "nil" to turn on a minor-mode is actually
correct behavior?
And the important justification for breaking long-standing behavior
was... ?
> If you really want to toggle (I've never seen such a case from Elisp),
> just do (menu-bar-mode 'toggle).
Okay, thanks for the hint. Is that documented anywhere?
If you'd like a use-case in elisp, I've been doing this in some form
of or another for quite some time:
;------------
; luddite mode
(tool-bar-mode -1)
(global-set-key [f12] '(lambda ()
(interactive)
(menu-bar-mode -1)
(scroll-bar-mode)
(setq use-dialog-box nil)
))
> > Note that running scroll-bar-mode repeatedly does work as a toggle, as
> > expected for menu-bar-mode:
> > (scroll-bar-mode)
>
> Yes, that's a bug that I hope to fix before Emacs-24.
> I.e. better not rely on it.
Allow me to quote the documentation for menu-bar-mode:
"Toggle display of a menu bar on each frame."
And again for scroll-bar-mode:
"Toggle display of vertical scroll bars on all frames."
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Joseph Brenner, 2010/04/26
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Stefan Monnier, 2010/04/26
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Lennart Borgman, 2010/04/26
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle,
Joe Brenner <=
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Stefan Monnier, 2010/04/26
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Joe Brenner, 2010/04/27
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Stefan Monnier, 2010/04/27
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Drew Adams, 2010/04/27
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Kevin Rodgers, 2010/04/28
- bug#6037: 24.0.50; menu-bar-mode function doesn't toggle, Stefan Monnier, 2010/04/28