bug#31888: 27.0.50; Segmentation fault in replace-buffer-contents

[Eli Zaretskii]

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: joaotavora@gmail.com, 31888@debbugs.gnu.org, k.michal@zoho.com,
>         Alan Mackenzie <acm@muc.de>
> Date: Fri, 29 Jun 2018 10:51:25 -0400
> 
> > One aspect of the changes for which I'd like some feedback (and CC
> > Stefan and Alan) is that the modified code no longer calls the
> > modification hooks for each small insertion or deletion that the
> > optimized replacement script calls; instead, we call the modification
> > hooks just once before the series of changes and once after them.
> 
> I think that's fine.  But could we refine the after-change call so it
> provides tighter bounds than BEGV..ZV (which is worse than what
> insert-file-contents does, for example)?

What kind of refinement do you have in mind?  And where and how to get
the info about the tighter bounds?