bug#44581: closed (28.0.50; undo comment-region error)

[GNU bug Tracking System]

Your message dated Sun, 15 Nov 2020 13:31:59 +0000
with message-id <20201115133159.GD3913@ACM>
and subject line Re: bug#44581: 28.0.50; undo comment-region error
has caused the debbugs.gnu.org bug report #44581,
regarding 28.0.50; undo comment-region error
to be marked as done.

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44581: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=44581
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> --- Begin Message ---
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> Subject: 
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> 28.0.50; undo comment-region error
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> Date: 
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> Wed, 11 Nov 2020 17:19:21 +0100
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> In *scratch*, write
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> abc def
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> Mark 'abc', run 'comment-region', then 'undo'.
> This results in the error 
>
> primitive-undo: Changes to be undone by function different from announced
>
> with a backtrace if debug-on-error is set.
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>
>
>
> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#44581: 28.0.50; undo comment-region error
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> Date: 
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> Sun, 15 Nov 2020 13:31:59 +0000
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>
> Hello again, Mattias.
>
> On Sun, Nov 15, 2020 at 13:30:28 +0100, Mattias Engdegård wrote:
> > 15 nov. 2020 kl. 13.20 skrev Alan Mackenzie <acm@muc.de>:
>
> > > Maybe I need the same change in uncomment-region-default too, but
> > > I'm not sure.
>
> > It seems more difficult to provoke uncomment-region to change text
> > outside the region. Until we have a concrete example, better leave
> > that code unchanged.
>
> Yes, I agree.
>
> > > Here is a provisional patch, based on the master branch (although the
> > > fix should probably go into emacs-27).  Could you test it, please.
>
> > Seems to work nicely. Thank you!
>
> Thanks!  I've committed it to the emacs-27 branch, and I'm closing the
> bug with this post.
>
> -- 
> Alan Mackenzie (Nuremberg, Germany).
>
>
> --- End Message ---