Re: Stepping Back: A Wealth Of Completion systems Re: [ELPA] New package: vertico

[Eli Zaretskii]

> Cc: philipk@posteo.net, emacs-devel@gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Sat, 10 Apr 2021 13:52:58 +0300
> 
> >> I think it would be desirable to change the default UI just enough so
> >> that a code like Xref can make `completing-read` display the
> >> completions eagerly.
> > 
> > Right away, i.e. even without the user typing anything? that'd produce
> > a huge list of candidates, which would be impractical to display.
> 
> I guess it depends on the usage/language/project, whether the list is 
> "huge" often enough, or not.

Maybe I've lost the context here, but if we are talking about the list
of candidates after just "C-u M-.", it's bound to be huge for any
non-trivial project.

> But *Completions* can display large lists, it will just get cut off.

The completions buffer can display any length of candidates, sure.
But too long lists are generally an annoyance, cf. the "C-x 8 RET"
case.