bug#23785: Emacs 25: 'Undo' overdoes things.

[Phillip Lord]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: phillip.lord@russet.org.uk (Phillip Lord)
>> Cc: monnier@iro.umontreal.ca,  acm@muc.de,  23785@debbugs.gnu.org
>> Date: Mon, 20 Jun 2016 18:12:29 +0100
>> 
>> >> From: phillip.lord@russet.org.uk (Phillip Lord)
>> >> Cc: "Eli Zaretskii" <eliz@gnu.org>,  acm@muc.de,  23785@debbugs.gnu.org
>> >> Date: Mon, 20 Jun 2016 16:03:35 +0100
>> >> 
>> >> My suggestion: this patch goes to Emacs-25.
>> >
>> > What patch?
>> 
>> Eli, do pay attention! The one that I didn't attach obviously.
>
> Thanks, please push to the emacs-25 branch, with one change:
>
>> +      /*
>> +        Temporarily enable the undo-buffer to ensure that the change
>> +        is marked as an undoable one. Bug #23785.
>> +       */
>
> Please format this comment according to our style.

Okay. Stefan, can you have a quick look as well. This function is well
out of my depth of understanding.

Phil