From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail
From: Stefan Monnier via "Bug reports for GNU Emacs,
 the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
Newsgroups: gmane.emacs.bugs
Subject: bug#74410: 31.0.50; completion-at-point doesn't work in custom buffers
Date: Thu, 21 Nov 2024 11:28:19 -0500
Message-ID: <jwviksgime0.fsf-monnier+emacs@gnu.org>
References: <jwvplmtjwc8.fsf-monnier+@gnu.org> <871pz62v0o.fsf@mail.linkov.net>
 <jwv7c8xcwq5.fsf-monnier+emacs@gnu.org>
 <87ttc181jp.fsf@mail.linkov.net>
Reply-To: Stefan Monnier <monnier@iro.umontreal.ca>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214";
	logging-data="21557"; mail-complaints-to="usenet@ciao.gmane.io"
User-Agent: Gnus/5.13 (Gnus v5.13)
Cc: 74410@debbugs.gnu.org
To: Juri Linkov <juri@linkov.net>
Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Nov 21 17:29:21 2024
Return-path: <bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org>
Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org
Original-Received: from lists.gnu.org ([209.51.188.17])
	by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org>)
	id 1tEA3U-0005SQ-Qx
	for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 21 Nov 2024 17:29:21 +0100
Original-Received: from localhost ([::1] helo=lists1p.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.90_1)
	(envelope-from <bug-gnu-emacs-bounces@gnu.org>)
	id 1tEA3D-0003Pv-HB; Thu, 21 Nov 2024 11:29:03 -0500
Original-Received: from eggs.gnu.org ([2001:470:142:3::10])
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <Debian-debbugs@debbugs.gnu.org>)
 id 1tEA3C-0003Pj-BK
 for bug-gnu-emacs@gnu.org; Thu, 21 Nov 2024 11:29:02 -0500
Original-Received: from debbugs.gnu.org ([2001:470:142:5::43])
 by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)
 (Exim 4.90_1) (envelope-from <Debian-debbugs@debbugs.gnu.org>)
 id 1tEA3C-0002K7-2q
 for bug-gnu-emacs@gnu.org; Thu, 21 Nov 2024 11:29:02 -0500
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
 d=debbugs.gnu.org; s=debbugs-gnu-org; 
 h=MIME-Version:Date:References:In-Reply-To:From:To:Subject;
 bh=8Rga9UyORQbZFhYDlKp7Z6sU1X6J7x1FG/YXXUOGxxQ=; 
 b=j1WyLoAphB1Agw4xrUxTYKn3j+a0NxtC5wQgsCaFsiVHimPXoQ8l/KwMDCbIPZtAQDxxMEsEJ8jUh9gcCp51zyUb+nXvgpr/R4V//IFnxw9sNtpbUmIqPeFhNiD+D941wACoEWf/rClE+/bdsSbuTGxyTyqSYUIO+Qne0AX9Zgr8ebFeqQ5V4cKr0Eh6CQRfvOHu2OsHypJcu6g6h3SKLa1FNfU52Wof9dVVRvXvH1jo5G4oLjysXzINa/29oVei8l4epSFBQLDZLUykxv26PsH/dqkSQLHeH9alyHelxg0BV/V9jEsJeOkk5jf371LAeBImccSljLVqhF8XkTfsVA==;
Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2)
 (envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1tEA3B-0002qF-OC
 for bug-gnu-emacs@gnu.org; Thu, 21 Nov 2024 11:29:01 -0500
X-Loop: help-debbugs@gnu.org
Resent-From: Stefan Monnier <monnier@iro.umontreal.ca>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org>
Resent-CC: bug-gnu-emacs@gnu.org
Resent-Date: Thu, 21 Nov 2024 16:29:01 +0000
Resent-Message-ID: <handler.74410.B74410.173220651010876@debbugs.gnu.org>
Resent-Sender: help-debbugs@gnu.org
X-GNU-PR-Message: followup 74410
X-GNU-PR-Package: emacs
Original-Received: via spool by 74410-submit@debbugs.gnu.org id=B74410.173220651010876
 (code B ref 74410); Thu, 21 Nov 2024 16:29:01 +0000
Original-Received: (at 74410) by debbugs.gnu.org; 21 Nov 2024 16:28:30 +0000
Original-Received: from localhost ([127.0.0.1]:51459 helo=debbugs.gnu.org)
 by debbugs.gnu.org with esmtp (Exim 4.84_2)
 (envelope-from <debbugs-submit-bounces@debbugs.gnu.org>)
 id 1tEA2g-0002pM-BO
 for submit@debbugs.gnu.org; Thu, 21 Nov 2024 11:28:30 -0500
Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:57364)
 by debbugs.gnu.org with esmtp (Exim 4.84_2)
 (envelope-from <monnier@iro.umontreal.ca>) id 1tEA2d-0002p6-C7
 for 74410@debbugs.gnu.org; Thu, 21 Nov 2024 11:28:28 -0500
Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1])
 by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id B692D8093F;
 Thu, 21 Nov 2024 11:28:20 -0500 (EST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca;
 s=mail; t=1732206499;
 bh=zC/TPKdPf/FOyxhfCBEGvcamA4x6ptkc6GOCS0loaa0=;
 h=From:To:Cc:Subject:In-Reply-To:References:Date:From;
 b=cXnwP3oFgExAGBJo264oC8tJYYcLgPXR88MWeHWhwzhrV0lnfr3O3AmrcwY8Koe8q
 XoMpSC0CnEVJHyBqYdP2aEUIwtCpa33SqHI+olm1jn/jfmDRBo2txbgA0LH4Jo6rz9
 fEPl5SFMZc8rTM3QaSe+SSRobaOED8gsFnvWKVcA7acKkI20P1i6z8G7CgKR8/xlD5
 3KdjHbCEd+boGXLtoZGc2+caUS6Q3QRPFvF35AonFenMzM1NGYofHyyusWO2oUWRgT
 97n5xQkac0vDEBbwtTlMbCdwKFnTs2q3PAINmbunOwS55ei/mFrr9dVbGLokki1ihg
 g2wWFqDSn+fhA==
Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1])
 by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id E11CB80135;
 Thu, 21 Nov 2024 11:28:19 -0500 (EST)
Original-Received: from alfajor (unknown [192.197.121.90])
 by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id CD5D61204D5;
 Thu, 21 Nov 2024 11:28:19 -0500 (EST)
In-Reply-To: <87ttc181jp.fsf@mail.linkov.net> (Juri Linkov's message of "Thu, 
 21 Nov 2024 09:54:18 +0200")
X-BeenThere: debbugs-submit@debbugs.gnu.org
X-Mailman-Version: 2.1.18
Precedence: list
X-BeenThere: bug-gnu-emacs@gnu.org
List-Id: "Bug reports for GNU Emacs,
 the Swiss army knife of text editors" <bug-gnu-emacs.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-gnu-emacs>,
 <mailto:bug-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <https://lists.gnu.org/archive/html/bug-gnu-emacs>
List-Post: <mailto:bug-gnu-emacs@gnu.org>
List-Help: <mailto:bug-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-gnu-emacs>,
 <mailto:bug-gnu-emacs-request@gnu.org?subject=subscribe>
Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org
Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org
Xref: news.gmane.io gmane.emacs.bugs:295735
Archived-At: <http://permalink.gmane.org/gmane.emacs.bugs/295735>

> Or to make the binding conditional with something like this:
>
> diff --git a/lisp/wid-edit.el b/lisp/wid-edit.el
> index ba99847f488..0701442447c 100644
> --- a/lisp/wid-edit.el
> +++ b/lisp/wid-edit.el
> @@ -1079,7 +1079,10 @@ widget-global-map
>  (defvar widget-field-keymap
>    (let ((map (copy-keymap widget-keymap)))
>      (define-key map "\C-k" #'widget-kill-line)
> -    (define-key map "\M-\t" #'widget-complete)
> +    (define-key map "\M-\t" `(menu-item "" 'widget-complete
> +                              :filter ,(lambda (cmd)
> +                                         (unless completion-at-point-fun=
ctions
> +                                           cmd))))
>      (define-key map "\C-m" #'widget-field-activate)
>      ;; Since the widget code uses a `field' property to identify fields,
>      ;; ordinary beginning-of-line does the right thing.

Cute =F0=9F=99=82
I really like the fact that Emacs can do this, but we shouldn't abuse
it, because it makes it more difficult for users to figure out
what's going on.


        Stefan