GNU bug report logs - #12405
24.2.50; doc of `menu-bar-mode' is incorrect

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Package: emacs;

Reported by: "Drew Adams" <drew.adams <at> oracle.com>

Date: Mon, 10 Sep 2012 16:22:01 UTC

Severity: minor

Found in version 24.2.50

Done: "Drew Adams" <drew.adams <at> oracle.com>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#12405; Package emacs. (Mon, 10 Sep 2012 16:22:01 GMT) Full text and rfc822 format available.
Acknowledgement sent to "Drew Adams" <drew.adams <at> oracle.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Mon, 10 Sep 2012 16:22:01 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Drew Adams" <drew.adams <at> oracle.com>
To: <bug-gnu-emacs <at> gnu.org>
Subject: 24.2.50; doc of `menu-bar-mode' is incorrect
Date: Mon, 10 Sep 2012 09:20:15 -0700

The doc string says this:

"If called from Lisp, enable Menu Bar mode if ARG is omitted or nil."

That means that when called from Lisp (menu-bar-mode nil) and (menu-bar-mode)
should turn OFF the mode.  But they turn it ON instead.
 
The code for `menu-bar-mode' has this, which for ARG = nil sets
`menu-bar-mode' to t:
 
(setq menu-bar-mode
      (if (eq arg 'toggle)
   (not menu-bar-mode)
 (> (prefix-numeric-value arg) 0)))

(prefix-numeric-arg nil) = 1, which is > 0.
 
This bug is present also in release Emacs 24.1.  I haven't checked older
releases.
 
In GNU Emacs 24.2.50.1 (i386-mingw-nt5.1.2600)
 of 2012-09-02 on MARVIN
Bzr revision: 109861 eggert <at> cs.ucla.edu-20120902171035-7mzihil3xd6bjfiy
Windowing system distributor `Microsoft Corp.', version 5.1.2600
Configured using:
 `configure --with-gcc (4.6) --no-opt --enable-checking --cflags
 -ID:/devel/emacs/libs/libXpm-3.5.8/include
 -ID:/devel/emacs/libs/libXpm-3.5.8/src
 -ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include
 -ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include
 -ID:/devel/emacs/libs/giflib-4.1.4-1/include
 -ID:/devel/emacs/libs/jpeg-6b-4/include
 -ID:/devel/emacs/libs/tiff-3.8.2-1/include
 -ID:/devel/emacs/libs/gnutls-3.0.9/include
 -ID:/devel/emacs/libs/libiconv-1.13.1-1-dev/include
 -ID:/devel/emacs/libs/libxml2-2.7.8/include/libxml2'
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#12405; Package emacs. (Mon, 10 Sep 2012 16:27:02 GMT) Full text and rfc822 format available.

Message #8 received at 12405 <at> debbugs.gnu.org (full text, mbox):

From: "Drew Adams" <drew.adams <at> oracle.com>
To: <12405 <at> debbugs.gnu.org>
Subject: RE: bug#12405: 24.2.50; doc of `menu-bar-mode' is incorrect
Date: Mon, 10 Sep 2012 09:25:53 -0700

My bad.  I'll close this.
bug closed, send any further explanations to 12405 <at> debbugs.gnu.org and "Drew Adams" <drew.adams <at> oracle.com> Request was from "Drew Adams" <drew.adams <at> oracle.com> to control <at> debbugs.gnu.org. (Mon, 10 Sep 2012 16:29:01 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Tue, 09 Oct 2012 11:24:02 GMT) Full text and rfc822 format available.
This bug report was last modified 12 years and 252 days ago.

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