bug#50733: 28.0.1; project-find-regexp can block Emacs for a long time

[Dmitry Gutov]

On 24.09.2021 19:18, Eli Zaretskii wrote:
> > Cc:50733@debbugs.gnu.org,mardani29@yahoo.es
> > From: Dmitry Gutov<dgutov@yandex.ru>
> > Date: Fri, 24 Sep 2021 18:50:20 +0300
> >
> > FWIW, (project-find-regexp "O_CREAT") takes about 130ms here.
> "gid O_CREAT" takes 46 msec, and that's on MS-Windows.
>
> Do we really need to keep this silly argument?  Every tool has its
> advantages and disadvantages.  When used correctly, you will have only
> the advantages and none of the disadvantages.

I'm not sure we're arguing.

That was my point: it's good to be able to 'M-x project-find-regexp' 
without a pre-generated index. But make use of it in 
'xref-find-references' when the user has made such an index.