bug#70036: a fix that

[Eli Zaretskii]

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: João Távora <joaotavora@gmail.com>,
>  felician.nemeth@gmail.com,
>  70036@debbugs.gnu.org, theo@thornhill.no
> Date: Fri, 19 Apr 2024 07:51:35 +0000
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> I still think the cleanest solution is to write file-truename
> >> in C.
> >
> > I explained in that past discussion why this is not simple.  So if
> > simpler solutions exist, we should prefer them.
> 
> There are some easy things that can be done to improve `file-truename'
> performance somewhat. For example, the number of calls to
> `file-name-nondirectory' can be trivially reduced in the `file-truename'
> code - it is called up to three times in a row.
> 
> (see my earlier message in 
> https://yhetil.org/emacs-bugs/87jzlmd831.fsf@localhost/)
> 
> Will it be of interest?

Yes, of course.  Those kinds of changes are no-brainers, really.