bug#43714: 28.1: auto-revert code improvements [PATCH]

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Wed, 30 Sep 2020 15:48:05 +0200
> Cc: 43714@debbugs.gnu.org
> 
> commit 33512cbeb168764f83f5a740090ce40b4b948591
> Author:     Luc Teirlinck <teirllm@auburn.edu>
> AuthorDate: Wed Jun 1 20:51:03 2005 +0000
> 
>     (auto-revert-buffers): Use save-match-data.

It could be due to remote files (and file-handlers)?