From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#38016: 27.0.50; Display issues with delay-warning and side-by-side windows in terminal Date: Fri, 1 Nov 2019 10:20:12 -0000 (UTC) Organization: muc.de e.V. Message-ID: References: <87bltw5gfi.fsf@clyde.resnet.cms.waikato.ac.nz> <83pnicm5x6.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="81972"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: tin/2.4.2-20171224 ("Lochhead") (UNIX) (FreeBSD/11.3-RELEASE-p3 (amd64)) To: gnu-emacs-bug@moderators.isc.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 01 11:39:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iQUKj-000LCs-Ps for geb-bug-gnu-emacs@m.gmane.org; Fri, 01 Nov 2019 11:39:09 +0100 Original-Received: from localhost ([::1]:37488 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iQUKi-0006HN-GB for geb-bug-gnu-emacs@m.gmane.org; Fri, 01 Nov 2019 06:39:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43724) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iQU3D-00037T-Jw for bug-gnu-emacs@gnu.org; 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Fri, 01 Nov 2019 06:20:17 -0400 Original-Received: by mod-relay-1.kamens.us (Postfix) id DE4155DC50; Fri, 1 Nov 2019 10:20:14 +0000 (UTC) Original-Received: from mail.muc.de (colin.muc.de [193.149.48.1]) by mod-relay-1.kamens.us (Postfix) with SMTP id 6C8CD5DC4A for ; Fri, 1 Nov 2019 10:20:14 +0000 (UTC) Original-Received: (qmail 94349 invoked by uid 8); 1 Nov 2019 10:20:12 -0000 Original-Path: not-for-mail Original-Newsgroups: gnu.emacs.bug X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-Mailman-Approved-At: Fri, 01 Nov 2019 06:39:02 -0400 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:170595 Archived-At: Eli Zaretskii wrote: >> From: Tom Levy >> Date: Fri, 01 Nov 2019 18:11:45 +1300 >> Maximize a terminal window to make Emacs use a side-by-side window split. >> Run: emacs -Q -nw --eval '(delay-warning :debug "line 1\nline 2")' >> The *scratch* and *Warnings* buffers should be displayed side by side. >> Press M-< C-e RET DEL (in the *scratch* buffer). >> Line 2 in the *Warnings* buffer disappears (!) >> Variation: run Emacs as before, but press M-< C-e a RET >> Line 2 in the *Warnings* buffer moves down (!) >> Happens in master (27.0.50) and 24.5.1, with both gnome-terminal and >> xterm. > I couldn't reproduce this, neither on GNU/Linux nor on MS-Windows. > Can anyone else reproduce this? I see this on a Linux tty (started without the -nw argument). > Does the "disappearing" and "moving" text really disappear and move? > What happens if you invoke "M-x redraw-display RET" after your recipe: > does the display return to be as expected? Well, from the *scratch* buffer I did C-x o to move to the *warnings* buffer, and Line 2 reappeared. On M-x redraw-display (immediately after the DEL), Line 2 reappears instantly after M-x. Completing the redraw-display doesn't further change what is displayed. I'm running on Emacs master, though it's been a few days since I updated it. -- Alan Mackenzie (Nuremberg, Germany).