GNU bug report logs - #67661
30.0.50; *Completions* has started popping up for icomplete-in-buffer

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From: Juri Linkov <juri <at> linkov.net>
To: Sean Whitton <spwhitton <at> spwhitton.name>
Cc: 67661 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, Eshel Yaron <me <at> eshelyaron.com>, 67001 <at> debbugs.gnu.org
Subject: bug#67661: 30.0.50; *Completions* has started popping up for icomplete-in-buffer
Date: Sat, 09 Dec 2023 19:19:16 +0200

>> I was referring to the specific case that Sean's recipe illustrated.
>> This case exhibits a change in behavior that you clearly described, and
>> that change is supposedly for the worse.  IIUC what bothers Sean is that
>> both interfaces appear together, but the thing is that that seems to be
>> inherent to how `icomplete-in-buffer` currently works.
>
> No, what bothers me is the regression as described by Eli.

By definition a regression is a bug where a feature that has worked before
stops working.  As you noted, icomplete-in-buffer didn't work for years,
until I fixed it for Emacs 29 (as least brought it to a usable state).
The test case that you described shows its effect only by accident,
until Eshel improved the related behavior of completion-in-region-mode,
so that now icomplete-in-buffer works consistently when it enables
both at the same time: in-buffer completions and in *Completions*.

So instead of trying to restore an arbitrary behavior at the moment
just after icomplete-in-buffer became usable, it would be much more
useful to invest energy to deciding how better to finish this feature.

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