bug#71424: 29.3; auto-revert-use-notify buggy interaction with indirect buffers

[Eli Zaretskii]

> From: Michael Albinus <michael.albinus@gmx.de>
> Cc: "Aaron Zeng" <z@bcc32.com>,  71424@debbugs.gnu.org
> Date: Sat, 08 Jun 2024 18:57:45 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> Hi Eli,
> 
> >> Indeed, while the indirect buffer is live, everything works fine.
> >> However, after you kill the indirect buffer, then the buffer no
> >> longer gets auto-reverted when you modify SOME-FILE outside Emacs.
> >
> > Right.  Michael, is the below the correct fix?
> 
> I haven't tested yet, but it looks proper to me. You might push it.

Thanks, done.

> I will add a test for this case next days.

Thanks.