From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals Date: Mon, 12 Sep 2022 12:07:12 +0000 Message-ID: References: <87v8pub3nl.fsf@disroot.org> <835yhu9m3e.fsf@gnu.org> <837d28953x.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="y7jF7J1Ub4" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5631"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 57728@debbugs.gnu.org, akib@disroot.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Sep 12 14:08:34 2022 Return-path: 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 ) id 1oXiEs-0001LS-5v for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 12 Sep 2022 14:08:34 +0200 Original-Received: from localhost ([::1]:59750 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oXiEr-0005dC-8R for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 12 Sep 2022 08:08:33 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58816) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oXiEM-0004lv-7I for bug-gnu-emacs@gnu.org; Mon, 12 Sep 2022 08:08:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55772) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oXiEL-0000nl-TN for bug-gnu-emacs@gnu.org; Mon, 12 Sep 2022 08:08:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oXiEL-0006Rz-OH for bug-gnu-emacs@gnu.org; Mon, 12 Sep 2022 08:08:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 12 Sep 2022 12:08:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57728 X-GNU-PR-Package: emacs Original-Received: via spool by 57728-submit@debbugs.gnu.org id=B57728.166298443624727 (code B ref 57728); Mon, 12 Sep 2022 12:08:01 +0000 Original-Received: (at 57728) by debbugs.gnu.org; 12 Sep 2022 12:07:16 +0000 Original-Received: from localhost ([127.0.0.1]:44467 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oXiDc-0006Qk-6R for submit@debbugs.gnu.org; Mon, 12 Sep 2022 08:07:16 -0400 Original-Received: from heytings.org ([95.142.160.155]:37684) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oXiDa-0006Qb-9w for 57728@debbugs.gnu.org; Mon, 12 Sep 2022 08:07:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1662984433; bh=twJ7oRC09O6TWrqRNA7qbPOWisq6n/S1lhQvT2h+zeM=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=MMZn85yKKfl7+YhryV1tkjZGCsvF2cVMO+Bl4oAofIDmYAdZj1ObkVUf4TyuT6Rcp a0XYHPwgwujBXQW0CP/pkH3p507Us+35cEZJYeYrR7ktM5ogH5abU3wS82ut0fSQq3 ci/PfmjCC0COyp+5keMCDmFmgVQIEor6pVurcLe+NjlwkBWw6tLjIdyC74zDc55Q2S ftltJnYqRgyEYit3hByGhj/4/HFnYc6O8TI2jw0zcLPybDx5ISNytXpF1sQhxPwIkq AbCSRZxqo9VDgJd26CDkkaXUxZKvPUdKf+dVN4bFtRY7JZIxZEpYEl0qR2NGF1gAGD hkUzIeObrRsJQ== In-Reply-To: <837d28953x.fsf@gnu.org> 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" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:242255 Archived-At: --y7jF7J1Ub4 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable >> 1. emacs -Q -nw >> >> 2a. if your terminal emulator has a light background: M-x load-theme=20 >> RET modus-vivendi RET >> >> 2b. if your terminal emulator has a dark background: M-x load-theme RET= =20 >> modus-operandi RET > > These do nothing in my case, > What terminal do you use? > > but I don't think that's crucial. > It's not crucial, but it shows that Emacs doesn't write there, and it=20 makes the bug more apparent later. >> Observe at that point that the last character (the one at the bottom=20 >> right) does not have the background color of the chosen theme. So far= =20 >> so good. > > Doesn't happen here (and why "good"?). > That everything works as expected: the last character at the bottom right= =20 is not touched. >> 5. Now hit C-p a few times, until you see the "\" continuation=20 >> character appear on the last character (the one at the bottom right).=20 >> This should not happen. > > It does happen. Why do you think it shouldn't? Those are all continued= =20 > lines, so they should all end with a '\'. > Because Emacs should never write on the last character at the bottom=20 right. > > However, if I now C-n enough times to have the mini-window scroll, I see= =20 > that lines scrolled into the view don't have the '\' continuation glyph.= =20 > _That_ shouldn't happen. So I finally have something to work with,=20 > thanks. > That shouldn't happen either, indeed. But that wasn't what the bug report= =20 originally said. >> (Note that the "\" continuation character disappears with C-l, after=20 >> step 5 and after step 6.) > > Yes, because C-l redraws TTY frames. > Yes, I know =F0=9F=98=89 It was just a way to make it clearer that there's = a bug:=20 when the frame is redrawn, the last character at the bottom right is=20 cleared. --y7jF7J1Ub4--