Re: When suggesting a file recovery, emacs should maybe check for actual changes

[Eli Zaretskii]

> From: Stefan Kangas <stefankangas@gmail.com>
> Date: Sun, 2 Oct 2022 07:08:52 -0700
> Cc: emacs-devel@gnu.org
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Maybe emacs should check that the auto-save file is not identical before
> >> suggesting a recover-this-file.  Do you agree?
> >
> > Why is it a problem that they are identical?
> 
> Either the user or Emacs could verify that the files are identical.
> Currently, the user has to do that work.  If it was the other way
> around, the user would not have to.
> 
> Maybe I'm missing something, but I believe that in that case Emacs
> wouldn't even have to show a prompt.  The recovery file could just be
> deleted, as it doesn't contain anything new.

I'm asking if this is an important enough situation to add code that
could be buggy to a feature that basically must be 110% safe?

If the file is identical, restoring from it does no harm, does it?