From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#26153: 26.0.50; Garbage displayed at visual line boundaries Date: Sat, 18 Mar 2017 21:50:53 +0200 Message-ID: <83y3w2wehu.fsf@gnu.org> References: <87tw6q6bh3.fsf@wavexx.thregr.org> <83h92qyaqy.fsf@gnu.org> <87r31u64nb.fsf@wavexx.thregr.org> <83a88iy7a8.fsf@gnu.org> <87pohe5zd2.fsf@wavexx.thregr.org> <87k27m5vg0.fsf@wavexx.thregr.org> <831stuxy02.fsf@gnu.org> <87h92q5qkz.fsf@wavexx.thregr.org> <83zigiwf9i.fsf@gnu.org> <87fuia5q32.fsf@wavexx.thregr.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1489866743 20195 195.159.176.226 (18 Mar 2017 19:52:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 18 Mar 2017 19:52:23 +0000 (UTC) Cc: 26153@debbugs.gnu.org To: Yuri D'Elia , Daniel Colascione Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Mar 18 20:52:18 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cpKOV-0003QU-OL for geb-bug-gnu-emacs@m.gmane.org; Sat, 18 Mar 2017 20:52:08 +0100 Original-Received: from localhost ([::1]:54533 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cpKOY-00069S-GF for geb-bug-gnu-emacs@m.gmane.org; Sat, 18 Mar 2017 15:52:10 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53282) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cpKOT-000689-87 for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 15:52:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cpKOQ-0007hr-5L for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 15:52:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:36141) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cpKOQ-0007hn-1V for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 15:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cpKOP-0008FK-Qg for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 15:52:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 18 Mar 2017 19:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26153 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 26153-submit@debbugs.gnu.org id=B26153.148986668831647 (code B ref 26153); Sat, 18 Mar 2017 19:52:01 +0000 Original-Received: (at 26153) by debbugs.gnu.org; 18 Mar 2017 19:51:28 +0000 Original-Received: from localhost ([127.0.0.1]:34340 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cpKNr-0008EM-Ug for submit@debbugs.gnu.org; Sat, 18 Mar 2017 15:51:28 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:33990) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cpKNq-0008E8-IR for 26153@debbugs.gnu.org; Sat, 18 Mar 2017 15:51:26 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cpKNi-0007Ti-3R for 26153@debbugs.gnu.org; Sat, 18 Mar 2017 15:51:21 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:36272) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cpKNi-0007TT-06; Sat, 18 Mar 2017 15:51:18 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3039 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cpKNh-0000QI-4X; Sat, 18 Mar 2017 15:51:17 -0400 In-reply-to: <87fuia5q32.fsf@wavexx.thregr.org> (message from Yuri D'Elia on Sat, 18 Mar 2017 20:42:41 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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: 208.118.235.43 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:130717 Archived-At: > From: Yuri D'Elia > Cc: 26153@debbugs.gnu.org > Date: Sat, 18 Mar 2017 20:42:41 +0100 > > On Sat, Mar 18 2017, Eli Zaretskii wrote: > > Can you try disabling double buffering? Like this: > > > > (add-to-list 'default-frame-alist '(inhibit-double-buffering . t)) > > Ah! This affects the issue. > > By showing the same buffer on two frames, the original frame shows the > problem, the new frame without double-buffering does not show any > artifact. > > Screenshot attached. Old frame (with double-buffering) on the top. > This is the same emacs instance showing the same buffer. Thanks for testing. Daniel, could you please take a look?