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 15:28:53 +0200 Message-ID: <83h92qyaqy.fsf@gnu.org> References: <87tw6q6bh3.fsf@wavexx.thregr.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1489843815 15353 195.159.176.226 (18 Mar 2017 13:30:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 18 Mar 2017 13:30:15 +0000 (UTC) Cc: 26153@debbugs.gnu.org To: Yuri D'Elia Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Mar 18 14:30:07 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 1cpEQp-0003Ci-57 for geb-bug-gnu-emacs@m.gmane.org; Sat, 18 Mar 2017 14:30:07 +0100 Original-Received: from localhost ([::1]:53368 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cpEQt-00070j-He for geb-bug-gnu-emacs@m.gmane.org; Sat, 18 Mar 2017 09:30:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37411) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cpEQn-00070M-QZ for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 09:30:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cpEQk-0001Fq-Mi for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 09:30:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:35148) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cpEQk-0001Fj-Ic for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 09:30:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cpEQk-0004by-8i for bug-gnu-emacs@gnu.org; Sat, 18 Mar 2017 09:30:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 18 Mar 2017 13:30:02 +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=B26153.148984376417652 (code B ref 26153); Sat, 18 Mar 2017 13:30:02 +0000 Original-Received: (at 26153) by debbugs.gnu.org; 18 Mar 2017 13:29:24 +0000 Original-Received: from localhost ([127.0.0.1]:33347 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cpEQ8-0004ad-GD for submit@debbugs.gnu.org; Sat, 18 Mar 2017 09:29:24 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:46308) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cpEQ6-0004aQ-JI for 26153@debbugs.gnu.org; Sat, 18 Mar 2017 09:29:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cpEPy-0000vI-9G for 26153@debbugs.gnu.org; Sat, 18 Mar 2017 09:29:17 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:32791) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cpEPy-0000vE-65; Sat, 18 Mar 2017 09:29:14 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1898 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cpEPx-0001qM-Gm; Sat, 18 Mar 2017 09:29:13 -0400 In-reply-to: <87tw6q6bh3.fsf@wavexx.thregr.org> (message from Yuri D'Elia on Sat, 18 Mar 2017 13:00:40 +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:130691 Archived-At: > From: Yuri D'Elia > Date: Sat, 18 Mar 2017 13:00:40 +0100 > > In the last weeks a new issue crept up in the display engine. Some > visual garbage is drawn at the horizontal lower/upper edge when using > hl-line-mode, on the region, or anything that redraws the current visual > line to fill the background. > > See the attached screenshot, captured with emacs -Q on the current > master, with the lucid toolkit. > > Evaluate the test file, then move the pointer down one line at a time, > until garbage is visible. I don't see any garbage when I do this, but maybe that's because my Emacs is built without optimizations. Or maybe this is specific to X? > Changing the font weight seems necessary to trigger this issue Tried that, it didn't help. > as well some hidden properties in the line. What does this mean in practice? What should I try changing? > This seems to have been introduced around commit > d546be31a9320d94769cb322f008f49d08d852a8 ("Fix display of > mouse-highlight produced by overlapping overlays") or earlier. > > If the exact commit would be helpful, I can try to pinpoint it. Please do, as the above commit had to do with mouse-highlight, which I don't see in your recipe. Thanks.