From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: on helm substantial differences Date: Mon, 16 Nov 2020 10:58:12 +0200 Organization: LINKOV.NET Message-ID: <87ima5he8j.fsf@mail.linkov.net> References: <87wnymda5g.fsf@mail.linkov.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6758"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) Cc: spacibba@aol.com, Jean Louis , andreyk.mad@gmail.com, emacs-devel@gnu.org, rudalics@gmx.at, Gregory Heytings , Eli Zaretskii , Drew Adams To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Nov 16 10:39:03 2020 Return-path: Envelope-to: ged-emacs-devel@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 ) id 1keayV-0001c8-06 for ged-emacs-devel@m.gmane-mx.org; Mon, 16 Nov 2020 10:39:03 +0100 Original-Received: from localhost ([::1]:43150 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1keayU-0007hg-1s for ged-emacs-devel@m.gmane-mx.org; Mon, 16 Nov 2020 04:39:02 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42630) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1keawr-0006Pd-C9 for emacs-devel@gnu.org; Mon, 16 Nov 2020 04:37:21 -0500 Original-Received: from relay7-d.mail.gandi.net ([217.70.183.200]:34257) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1keawn-0000oS-7o; Mon, 16 Nov 2020 04:37:21 -0500 X-Originating-IP: 91.129.97.46 Original-Received: from mail.gandi.net (m91-129-97-46.cust.tele2.ee [91.129.97.46]) (Authenticated sender: juri@linkov.net) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 530DF2001A; Mon, 16 Nov 2020 09:37:02 +0000 (UTC) In-Reply-To: (Stefan Monnier's message of "Sun, 15 Nov 2020 17:01:14 -0500") Received-SPF: pass client-ip=217.70.183.200; envelope-from=juri@linkov.net; helo=relay7-d.mail.gandi.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/16 04:37:13 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:259223 Archived-At: >> It would be nice if in addition to already existing 'annotation-function' >> 'completing-read' also supported 'format-function' or 'display-function', >> i.e. a function that would return a completion candidate to display >> in the *Completions* buffer. > > Agreed: the `annotation-function` is much too limited. > I don't think "in addition" is right tho: the new functionality should > aim to replace the current `annotation-function`. Then maybe to differentiate one from another: when the string returned from `annotation-function` has text properties then use it to display a complete candidate, otherwise append it as an annotation - for backward compatibility.