From: Juri Linkov <juri@linkov.net>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: Ergus <spacibba@aol.com>, 53910@debbugs.gnu.org
Subject: bug#53910: 29.0.50; context-menu-mode breaks help in read-only buffers
Date: Thu, 10 Feb 2022 10:54:29 +0200 [thread overview]
Message-ID: <86y22jxfsq.fsf@mail.linkov.net> (raw)
In-Reply-To: <87mtizdwrv.fsf@gnus.org> (Lars Ingebrigtsen's message of "Thu, 10 Feb 2022 08:08:04 +0100")
>> M-x context-menu-mode
>> C-h b
>>
>> Just a message is shown in the echo area like an error because the
>> buffer is read only (and such text can't be inserted...).
>
> I can reproduce this bug, and I can't get a backtrace either, even with
> debug-on-signal, which is unusual.
>
> I had a brief peek at context-menu-mode to see whether it was obvious
> what was breaking, but nothing really stood out (but then again, I'm not
> very familiar with that code).
I can't reproduce this bug in Emacs 28, only in Emacs 29.
This means that the problem is new. In describe-map
this line switches buffers from *Help* to the window buffer:
(eq definition (lookup-key tail (vector event) t))
And indeed
(with-temp-buffer
(message "%S" (current-buffer))
(lookup-key (cddr context-menu-mode-map) [down-mouse-3] t)
(message "%S" (current-buffer)))
displays:
#<buffer *temp*>
#<buffer *scratch*>
This is because of this line recently added to context-menu-map:
(select-window (posn-window (event-start click)))
that switches buffers.
But the question remains: does describe-map really need to build
the complete context menu or should it ignore its :filter keyword?
next prev parent reply other threads:[~2022-02-10 8:54 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220210001600.vjiuqzoiuuzzj54c.ref@Ergus>
2022-02-10 0:16 ` bug#53910: 29.0.50; context-menu-mode breaks help in read-only buffers Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-10 7:08 ` Lars Ingebrigtsen
2022-02-10 8:54 ` Juri Linkov [this message]
2022-02-10 11:35 ` Lars Ingebrigtsen
2022-02-10 18:58 ` Juri Linkov
2022-02-11 8:31 ` martin rudalics
2022-02-11 8:40 ` Juri Linkov
2022-02-11 16:46 ` bug#53910: [External] : " Drew Adams
2022-02-12 17:05 ` Juri Linkov
2022-02-13 8:49 ` martin rudalics
2022-02-13 18:50 ` Juri Linkov
2022-02-17 19:13 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-17 19:30 ` Juri Linkov
2022-02-17 20:12 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-18 7:44 ` Juri Linkov
2022-02-18 8:32 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-20 18:56 ` Juri Linkov
2022-02-19 9:41 ` martin rudalics
2022-02-19 12:26 ` Eli Zaretskii
2022-02-19 17:07 ` martin rudalics
2022-02-19 17:22 ` Eli Zaretskii
2022-02-20 9:16 ` martin rudalics
2022-02-20 18:44 ` Juri Linkov
2022-02-21 9:07 ` martin rudalics
2022-02-22 17:10 ` Juri Linkov
2022-02-23 9:29 ` martin rudalics
2022-02-19 14:38 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-20 9:14 ` martin rudalics
2022-02-20 14:42 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-10 8:26 ` martin rudalics
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