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#52561: 28.0.50; [PATCH] Tall characters create scrolling stasis Date: Fri, 17 Dec 2021 21:04:15 +0200 Message-ID: <83o85fcats.fsf@gnu.org> References: <87mtl0b1e3.fsf@dick> <831r2be4a1.fsf@gnu.org> <87h7b7cged.fsf@dick> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18593"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 52561@debbugs.gnu.org To: dick Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Dec 17 20:05:24 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 1myIXk-0004aG-Jb for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 17 Dec 2021 20:05:24 +0100 Original-Received: from localhost ([::1]:46290 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1myIXj-0004Ys-BF for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 17 Dec 2021 14:05:23 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:53222) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1myIXO-0004Yd-2Q for bug-gnu-emacs@gnu.org; Fri, 17 Dec 2021 14:05:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:57325) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1myIXN-0004MN-QO for bug-gnu-emacs@gnu.org; Fri, 17 Dec 2021 14:05:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1myIXN-0003Ry-LJ for bug-gnu-emacs@gnu.org; Fri, 17 Dec 2021 14:05:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 17 Dec 2021 19:05:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 52561 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 52561-submit@debbugs.gnu.org id=B52561.163976787613223 (code B ref 52561); Fri, 17 Dec 2021 19:05:01 +0000 Original-Received: (at 52561) by debbugs.gnu.org; 17 Dec 2021 19:04:36 +0000 Original-Received: from localhost ([127.0.0.1]:40638 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1myIWx-0003RD-PK for submit@debbugs.gnu.org; Fri, 17 Dec 2021 14:04:35 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:52294) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1myIWv-0003Qy-Lq for 52561@debbugs.gnu.org; Fri, 17 Dec 2021 14:04:34 -0500 Original-Received: from [2001:470:142:3::e] (port=34684 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1myIWq-0004IS-GN; Fri, 17 Dec 2021 14:04:28 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=8Jy3hdNNVcH0zEWxIMMsaW144qgwyAoldlaMrp8qp24=; b=pYkK4booCPMue9Eq93KI J/GmgIBjVovcR9y4fiwmv/r72EoPUfOJ6hqizh1CpJroXuGLuIrGe31Xg7uoayPbgZhuhNkgeyZ7f 0YdmN/Xvtde5uhtu8GZVMzavtd3R9n4lRzQFuWIy3ErBTYTwZ9CxiBdtY/4Y2rAavDUgMaCyEZh67 /Nw/XuWtS5e4zuGa6S8HpZ6zuQG0y/C904pjwcgA4lXmx4jEWrnWKEDhLw9z2VDSHd3DCON/EaNSI reD6doQtSOoe6LKQjW91CWIYiof/k7kTjckdDtsHQsD6kSrKyxmw8M95CXehNz3nUEUl8WGGPvpJc 7z39+8aX47IS6Q==; Original-Received: from [87.69.77.57] (port=4838 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 1myIWq-00051V-9e; Fri, 17 Dec 2021 14:04:28 -0500 In-Reply-To: <87h7b7cged.fsf@dick> (message from dick on Fri, 17 Dec 2021 12:03:54 -0500) 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:222579 Archived-At: > From: dick > Cc: 52561@debbugs.gnu.org > Date: Fri, 17 Dec 2021 12:03:54 -0500 > > > It never prints "all bad" in my testing, neither in Emacs 27.2 nor in > > My `M-x version` is GNU Emacs (build 2, x86_64-pc-linux-gnu, GTK+ > Version 3.22.30). > > The bug would seem very sensitive to fonts and X toolkits. > > With Óscar on the first line, I delete the accented "O", I can very > clearly see the rest of the buffer shift up. Not here, because Ó comes from the same font as the ASCII characters, > With Óscar on the second line, I delete the accented "O", I do not see > the shift-up. > > As you can guess, I can only get the bug to trigger for first-line. > > And I cannot get it to trigger at all with Hindi. I used Hindi because it made the line taller than other lines. I thought that was the trigger for the problem you see. > I'll close this for incomplete diagnosis. If you can describe what you see in redisplay_window, which causes the problem, we could take it from there, perhaps.