Re: [PATCH] lisp/bookmark.el: make bookmark-fontify nil by default

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Karl Fogel <kfogel@red-bean.com>,  Eli Zaretskii <eliz@gnu.org>,  "Paul
>  W. Rankin" <pwr@bydasein.com>,  Stefan Kangas <stefan@marxist.se>,  "Paul
>  W. Rankin via Emacs development discussions." <emacs-devel@gnu.org>
> Date: Tue, 14 Sep 2021 13:15:53 +0200
> 
> Matthias Meulien <orontee@gmail.com> writes:
> 
> > See the following attachment where two bookmark-fringe-mark are
> > visible in the fringe (I just opened multiple bookmarks to *vc-dir*
> > buffers where one bookmark doesn't point to the first line of the
> > buffer):
> 
> So the problem seems to be that a `revert-buffer' doesn't keep overlays
> where they were, I guess?  (Or remove the overlays, at least.)

Are they removed, or do they move/evaporate because their markers
move?

> Do we have some machinery to handle overlays like this, or conventions
> about what to do with overlays when doing a `revert-buffer' actions?

AFAIK, we already try to preserve the buffer markers, if possible.
And revert-buffer-with-fine-grain tries harder.  So if the issue is
that the overlays' markers moved, we already try.