From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.devel Subject: Re: What's happened to M- `completion-at-point'? Date: Wed, 4 May 2022 18:13:30 +0000 Message-ID: References: <83bkwd4xle.fsf@gnu.org> <83sfpp2qvy.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="16215"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed May 04 20:14:41 2022 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 1nmJWL-00043y-Ok for ged-emacs-devel@m.gmane-mx.org; Wed, 04 May 2022 20:14:41 +0200 Original-Received: from localhost ([::1]:33170 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nmJWK-0002Qb-It for ged-emacs-devel@m.gmane-mx.org; Wed, 04 May 2022 14:14:40 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50088) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nmJVI-0001gn-OZ for emacs-devel@gnu.org; Wed, 04 May 2022 14:13:37 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:24376 helo=mail.muc.de) by eggs.gnu.org with smtp (Exim 4.90_1) (envelope-from ) id 1nmJVG-0007do-OM for emacs-devel@gnu.org; Wed, 04 May 2022 14:13:36 -0400 Original-Received: (qmail 40669 invoked by uid 3782); 4 May 2022 18:13:31 -0000 Original-Received: from acm.muc.de (p4fe15bd7.dip0.t-ipconnect.de [79.225.91.215]) (using STARTTLS) by colin.muc.de (tmda-ofmipd) with ESMTP; Wed, 04 May 2022 20:13:31 +0200 Original-Received: (qmail 5365 invoked by uid 1000); 4 May 2022 18:13:30 -0000 Content-Disposition: inline In-Reply-To: <83sfpp2qvy.fsf@gnu.org> X-Submission-Agent: TMDA/1.3.x (Ph3nix) X-Primary-Address: acm@muc.de Received-SPF: pass client-ip=193.149.48.1; envelope-from=acm@muc.de; helo=mail.muc.de 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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:289200 Archived-At: Hello, Eli. On Wed, May 04, 2022 at 19:40:01 +0300, Eli Zaretskii wrote: > > Date: Wed, 4 May 2022 16:34:38 +0000 > > Cc: emacs-devel@gnu.org > > From: Alan Mackenzie > > > > Suddenly, my M- `completion-at-point' isn't working. Would > > > > somebody please explain? > > > If you press "ESC TAB" instead, what does Emacs do then? > > I get the message > > [backtab] is undefined > And what does "C-h l" show after that? If I first press ESC TAB and C-h l, followed by C-M-i and C-h l, I get this: ESC TAB ;; nil C-h l ;; view-lossage ESC TAB ;; nil C-h l ;; view-lossage .. I think I've found the problem. A new version of ncurses was installed on my machine on 2022-05-01. It contains a version of terminfo, specifically /etc/terminfo/l/linux. The new version is ncurses-6.3_p20211106. The old version was ncurses-6.2_p20210619. So, possibly we need to amend Emacs (? src/term.c) to work properly on this version of the Linux console. I don't think this affects any other type of terminal. In particular, Emacs works OK for me under XFCE4 on X. I think I'll be raising a bug report for this. -- Alan Mackenzie (Nuremberg, Germany).