bug#71466: 30.0.50; Buffer-menu-group-by non-nil resets point when Buffer List is reverted

[Dmitry Gutov <dmitry@gutov.dev>]

On 25/06/2024 15:54, Eli Zaretskii wrote:
>> Date: Tue, 25 Jun 2024 01:42:46 +0300
>> Cc: Eli Zaretskii<eliz@gnu.org>,me@eshelyaron.com,71466@debbugs.gnu.org
>> From: Dmitry Gutov<dmitry@gutov.dev>
>>
>> On 24/06/2024 09:27, Juri Linkov wrote:
>>> I still don't understand how duplicating revert-buffer
>>>
>>> +(defun xref-revert-buffer ()
>>> +  "Refresh the search results in the current buffer."
>>> +  (declare (obsolete revert-buffer "30.1"))
>>> +  (interactive)
>>> +  (let (restore-functions)
>>> +    (when (boundp 'revert-buffer-restore-functions)
>>> +      (run-hook-wrapped 'revert-buffer-restore-functions
>>> +                        (lambda (f) (push (funcall f) restore-functions) nil)))
>>> +    (prog1 (xref--revert-buffer)
>>> +      (mapc #'funcall (delq nil restore-functions)))))
>>>
>>> can be better than what Eshel proposed with an alias:
>>>
>>> + (define-obsolete-function-alias 'xref-revert-buffer #'revert-buffer "30.1")
>> That is my opinion as well: better obsolete it this way.
> Why obsolete it at all?  If we use an alias without obsoleting, I
> think everyone wins.  No?

Well, we normally obsolete functions that aren't in use anymore, nor 
recommended for third parties. Right?

We can stop from obsoleting it now (just make an alias), but add a 
comment to do that in the next Emacs release. How about that?