From: Lars Ingebrigtsen <larsi@gnus.org>
To: Noam Postavsky <npostavs@gmail.com>
Cc: 35191@debbugs.gnu.org, Stefan Monnier <monnier@IRO.UMontreal.CA>
Subject: bug#35191: 27.0.50; undo of comment-region signals error (when comment-combine-change-calls=t)
Date: Tue, 02 Feb 2021 15:43:00 +0100 [thread overview]
Message-ID: <87r1lyledn.fsf_-_@gnus.org> (raw)
In-Reply-To: <871s2absj3.fsf@gmail.com> (Noam Postavsky's message of "Tue, 09 Apr 2019 20:41:52 -0400")
Noam Postavsky <npostavs@gmail.com> writes:
>> Save the file below and then open it as follows:
>
> It's enough to use a single line
>
> foo ;; bar
>
> in emacs-lisp-mode. And the problem only happens with
> comment-combine-change-calls set to t (the default).
>
>> % emacs -Q ..../zones.el
>> C-M-f C-M-b ;; Move before first form
>> C-M-SPC M-; ;; Comment out first form
>> C-x u ;; Undo last change
>>
>> When I do that, I see an error message in the echo area that says:
>>
>> Changes to be undone by function different than announced
I'm unable to reproduce this on the trunk (or in Emacs 27.1) -- because
>> C-M-SPC M-; ;; Comment out first form
doesn't comment anything out (it just moves point to the comment), and
then there's nothing to undo. Is there something missing in the recipe?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
prev parent reply other threads:[~2021-02-02 14:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 12:57 bug#35191: 27.0.50; Error signaled by undo--wrap-and-run-primitive-undo Stefan Monnier
2019-04-10 0:41 ` Noam Postavsky
2021-02-02 14:43 ` Lars Ingebrigtsen [this message]
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