GNU bug report logs - #47711
27.1; Deferred highlighting support in `completion-all-completions', `vertico--all-completions`

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From: João Távora <joaotavora <at> gmail.com>
To: Dmitry Gutov <dmitry <at> gutov.dev>
Cc: Daniel Mendler <mail <at> daniel-mendler.de>, Eli Zaretskii <eliz <at> gnu.org>, Stefan Monnier <monnier <at> iro.umontreal.ca>, 47711 <at> debbugs.gnu.org
Subject: bug#47711: bug#48841: bug#47711: bug#48841: bug#47711: [PATCH VERSION 2] Add new `completion-filter-completions` API and deferred highlighting
Date: Thu, 2 Nov 2023 09:48:51 +0000

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On Wed, Nov 1, 2023 at 10:45 PM Dmitry Gutov <dmitry <at> gutov.dev> wrote:

> > If orderless (which I've never tried), does some kind of scoring of
> > completions, it probably also needs the same complications of flex.
>
> Turns out, Orderless doesn't do any scoring or sorting. Only filtering.

Interesting, so if I M-x d i f f with orderless I don't get results in
any particular order?

> >>>> Anyway, have you looked into what it would take to solve it?
> >>>
> >>> No, naively, I just think it's a similar situation of display and business
> >>> logic being mixed up.  Presumably the quoted stuff is just for insertion
> >>> (and display?), and the unquoted stuff is what patterns/scoring should
> >>> operate on.
> >>
> >> Apparently it's good for insertion, but according to that comment inside
> >> the function, the unquoted stuff might actually be better for display.
> >
> > No idea what the unquoted stuff is for, so I haven't really tested it.
>
> A couple of scenarios:

Thanks.  Then I think it is working OK, but it would be safer if you were
to double-check yourself, as I really never use this functionality.

> LGTM overall, and I see that you compressed the sorting code a little.
>
> Both quoting/unquoting scenarios also seem to work as expected (for
> highlighting, that seems to be thanks to completion--twq-all applying
> the faces eagerly anyway).

That's good.

> Though given the examples (and I think others should be similar) it
> wouldn't be an end of the world if scoring didn't really work for them
> -- filtering should have already done most of the job. All of this is to
> say that any new 3rd party completion styles, even those that do
> sorting, would be okay without knowing about this text property.

Maybe.

> Some minor nits for the patch:

Thanks.

> I guess we should wait a few days to see if anyone has more comments,
> and then install this?

I addressed all your docstring suggestions, fixed a bug and significantly
simplified the code in the latest version of the patch.  I also
removed the instrumentation in icomplete.el.  Patch attached here
and pushed to feature/completion-lazy-hilit.

Stefan, Eli, would you like to chime in?

João

[lazy-hilit-2023-v6.diff (application/octet-stream, attachment)]

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