Subject: Re: bug#60467: 30.0.50; primitive-undo: Changes to be undone by function different from announced

From: Eli Zaretskii <[email-masked]>
Date: Sat, 01 Jul 2023 17:27:52 +0300

> Date: Sat, 01 Jul 2023 14:14:11 +0000
> From: Gregory Heytings <[email-masked]>
> cc: [email-masked], [email-masked], [email-masked], 
>     [email-masked], [email-masked]
> 
> 
> >> Well, that bug was already discussed at length six months ago, and the 
> >> minimal change that was in the end installed (59c3c53efa) introduced a 
> >> new bug.  Should we design another minimal change, at the risk of 
> >> introducing another bug?  ISTM that the safe thing to do is the 
> >> refactoring that was suggested.
> >
> > If there's no safer way than the refactoring suggested back then, we 
> > will have to stay with this regression in Emacs 29.1 and install a 
> > better fix only on master.  After all, the fact that buffer-modified-p 
> > is not undone is a minor inconvenience at best.
> >
> 
> Indeed.  A safer way probably exists, but I would not dare writing that 
> patch.  I believe Stefan is in a better position to write it.

How about installing your patch, which you proposed back then, on
master, then?