From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#42452: 27.0.91; hollow box cursor sometimes leaves artifacts Date: Thu, 13 May 2021 13:26:35 +0300 Message-ID: <83im3n0w10.fsf@gnu.org> References: <83h7kumtui.fsf@gnu.org> <8735urrmrs.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19201"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 42452@debbugs.gnu.org, radon.neon@gmail.com To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu May 13 12:40:23 2021 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 1lh8lR-0004lV-D1 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 13 May 2021 12:40:21 +0200 Original-Received: from localhost ([::1]:57020 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lh8lQ-00077w-AI for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 13 May 2021 06:40:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60854) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lh8YY-00052G-CE for bug-gnu-emacs@gnu.org; Thu, 13 May 2021 06:27:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:58111) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lh8YY-0007dB-3V for bug-gnu-emacs@gnu.org; Thu, 13 May 2021 06:27:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lh8YY-0001yx-0G for bug-gnu-emacs@gnu.org; Thu, 13 May 2021 06:27:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 13 May 2021 10:27:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 42452 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch fixed Original-Received: via spool by 42452-submit@debbugs.gnu.org id=B42452.16209015937573 (code B ref 42452); Thu, 13 May 2021 10:27:01 +0000 Original-Received: (at 42452) by debbugs.gnu.org; 13 May 2021 10:26:33 +0000 Original-Received: from localhost ([127.0.0.1]:41424 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lh8Y5-0001y5-7q for submit@debbugs.gnu.org; Thu, 13 May 2021 06:26:33 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:50302) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lh8Y3-0001xo-23 for 42452@debbugs.gnu.org; Thu, 13 May 2021 06:26:31 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:36892) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lh8Xx-0007IH-Qa; Thu, 13 May 2021 06:26:25 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3765 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lh8Xw-0007i3-1J; Thu, 13 May 2021 06:26:25 -0400 In-Reply-To: <8735urrmrs.fsf@gnus.org> (message from Lars Ingebrigtsen on Thu, 13 May 2021 11:44:23 +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" 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:206418 Archived-At: > From: Lars Ingebrigtsen > Cc: Radon Rosborough , 42452@debbugs.gnu.org > Date: Thu, 13 May 2021 11:44:23 +0200 > > Eli Zaretskii writes: > > > Since this happens for unknown reasons, most probably some misfeature > > of the X server, the change to use an explicit line thickness is a > > debugging device. As such, it shouldn't be the default; instead, > > let's have a Lisp variable that gives the thickness, by default zero, > > and let users affected by this issue set the variable to whatever > > value that fixes the problem. > > The patch fixes an issue under some X implementations, and doesn't seem > to have any negative effects (that I can see), so I've applied Rodon's > patch. > > Allowing users to control the width of the lines sounds like a nice > feature, but I don't think anybody's requested it, so I'm not sure > holding up fixing this bug warrants waiting for that to be implemented. > > It's easy enough to implement in xterm.c, but (for instance) the Windows > implementation uses FrameRect, which doesn't allow specifying the line > thickness? I'd rather not have a feature divergence here. The problem is only on X, so the variable should be X-specific. It is not unheard of to have such debugging-related variables be system-specific.