Subject: bug#55810: 28.1; No "really edit the buffer?" prompt when editing a changed file over Tramp

From: Lars Ingebrigtsen <[email-masked]>
Date: Sun, 05 Jun 2022 22:04:50 +0200

Jim Porter <[email-masked]> writes:

> To see this in action:
>
>   $ cat file.txt
>   hi
>
>   $ emacs -Q
>   C-x C-f /ssh:localhost:~/file.txt
>
>   $ echo bye >> file.txt
>
> Back in Emacs, type anything into the buffer. It should ask, "file.txt
> changed on disk; really edit the buffer?" However, it doesn't. (It
> does still provide a warning you when you save though.)
>
> Note: this used to work in Emacs 27, and works again in Emacs 29, but
> Emacs 28 fails.

I can reproduce this in Emacs 28.1, but not on the emacs-28 branch
(i.e., what will become Emacs 28.2).  Would it be possible for you to
test with that branch?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no