GNU bug report logs - #78944
31.0.50; Minibuffer completion

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Message #20 received at 78944 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 78944 <at> debbugs.gnu.org, dmoncayo <at> gmail.com
Subject: Re: bug#78944: 31.0.50; Minibuffer completion
Date: Sat, 19 Jul 2025 10:03:37 +0300

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  78944 <at> debbugs.gnu.org
> Date: Thu, 03 Jul 2025 17:04:15 -0400
> 
> Dani Moncayo [2025-07-03 11:48:30] wrote:
> > On Wed, Jul 2, 2025 at 10:15 PM Stefan Monnier <monnier <at> iro.umontreal.ca> wrote:
> >> >> So, why didn't the initial <TAB> pick the only possible completion alternative?
> >> Because, between the two don't use the same completion style.
> > OK, I understand.
> > I'm not sure if/how this behavior could be improved.  Perhaps in the
> > second <TAB> the completion style should still be the same as the one
> > used before.
> 
> Yeah, there's probably some way to do that, but it's not completely
> clear how (e.g. should we still stick to the "last style" if other
> commands were issued between the two completion operations?  If so,
> which ones should "reset" the styles and which ones shouldn't?).
> 
> Maybe a very targeted approach that records the
> `completion-try-completion` output (together with the style used), and
> then forces the use of the same style when presented with the same input
> (i.e. same string and same point position) as the last.
> 
> But having different behavior for the same completion input depending on
> "how we got there" could be a bit confusing as well.
> So maybe instead of forcing the use of the last style when provided with
> the same input as the last output and the style is *not* the same as
> last time (i.e. in the case that confused you), we could emit a message
> saying "switched completion style <FOO> => <BAR>", which could have
> saved you the trip to this bug report?
> 
> Another option would be to expose the "current style" in the UI
> (e.g. with commands to change which style is used).
> I think Drew's Icicles takes this approach.

Ping!  How should we make some progress with this issue?

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