Re: emacs-27 e1e0a7a 2/2: xref--collect-matches: Speed up on remote

[Stefan Monnier]

>>> +               (buf (unless remote-id
>>> +                      ;; find-buffer-visiting is slow on remote.
>>> +                      (xref--find-buffer-visiting file)))
>> How 'bout using `get-file-buffer` instead, then?
> Good idea. Still slower on remote files, but much faster overall.

Hmm... why is it slower on remote files?  AFAIK it all works locally.
It does go through Tramp for the initial `expand-file-name`, but AFAIK
this shouldn't need to talk to the remote host (unless it has a ~/ or
~<user>/ in the remote part of the name, I guess?).


        Stefan