From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.devel Subject: Re: Bug in incremental undrawing of mouseover highlighting Date: Wed, 07 Nov 2007 23:18:46 +0100 Message-ID: <873avhzol5.fsf@escher.local.home> References: <17760.56196.739515.442009@rgrjr.dyndns.org> <17809.61256.755032.818918@rgrjr.dyndns.org> <87zm8fqbet.fsf@stupidchicken.com> <87wt3h9y2j.fsf@escher.local.home> <87mz4c4fbf.fsf@escher.local.home> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Trace: ger.gmane.org 1194473961 10954 80.91.229.12 (7 Nov 2007 22:19:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 7 Nov 2007 22:19:21 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Nov 07 23:19:25 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1IptF4-00047N-B5 for ged-emacs-devel@m.gmane.org; Wed, 07 Nov 2007 23:19:22 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IptEt-0000kJ-54 for ged-emacs-devel@m.gmane.org; Wed, 07 Nov 2007 17:19:11 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IptEl-0000iQ-MC for emacs-devel@gnu.org; Wed, 07 Nov 2007 17:19:03 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IptEj-0000gn-6A for emacs-devel@gnu.org; Wed, 07 Nov 2007 17:19:02 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IptEi-0000gS-NV for emacs-devel@gnu.org; Wed, 07 Nov 2007 17:19:00 -0500 Original-Received: from main.gmane.org ([80.91.229.2] helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1IptEi-0000Rg-1a for emacs-devel@gnu.org; Wed, 07 Nov 2007 17:19:00 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1IptEe-0000eI-Eo for emacs-devel@gnu.org; Wed, 07 Nov 2007 22:18:56 +0000 Original-Received: from i577bc254.versanet.de ([87.123.194.84]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 07 Nov 2007 22:18:56 +0000 Original-Received: from Stephen.Berman by i577bc254.versanet.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 07 Nov 2007 22:18:56 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 94 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: i577bc254.versanet.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.50 (gnu/linux) X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:82772 Archived-At: --=-=-= I continue to see manifestations of a redisplay bug with mouseover highlighting in Gnus Summary buffers. It happens fairly seldom and I cannot reproduce it. It happened again today on GNU Emacs 23.0.50.3 (i686-pc-linux-gnu, GTK+ Version 2.12.0) of 2007-11-06 on escher, and I made a screen shot, attached below. As the image illustrates, only one character width is involved, and this is always how it shows up now and for many months (whereas earlier manifestations usually involved several character widths, usually with non-highlighted gaps). The image suggests that the position of the remnant mouseover highlighting was occupied by the cursor, but I am sure of this. Steve Berman --=-=-= Content-Type: image/png Content-Disposition: attachment; filename=buggy-mouse-face3.png Content-Transfer-Encoding: base64 Content-Description: remnant mouseover highlighting iVBORw0KGgoAAAANSUhEUgAAAa0AAACBCAIAAAD8LXKZAAAPlklEQVR4nO2dy5EkNw6GqyfGgXVA hy5LNJc9KHr90DijmwyZDl21lrQiNA6sCbWH6qHQBAiCJEgiK/8vOqRKDgggXyg+UU+32+1yubxe ry9vb5cuXOpmH16v17sA16ybSxUTmXDVW2qaepWVZLZ057mkxf+setV6U2HruXOd/LNiyP6QjDxO K3XOMLTMz5MjXOfb7Xa73b49P9966a5LK6bP356fxfJxcxYNJdP3z/S/YkXR+UzeaP328ZoYrRsL q9bTiegu2Q3Z79r4/V2jc4ahZX6C+xOe/j5vishFZn8fOn7l8rbnpeC/KGnX2Sd59yS1T9OhRTlt 1c5wHoC9ZC+CQxzM+mtN0DfHosTeq6Xu2avrXXLFEz0E2C9OX+fRYp1GwybEKummU0/QpwMH5dP9 f1ue4Je3t/R3+fi6uuhMmu/Y42xWsUqTz5mwUteotiR2L6dhnUZ5S91ul5okAdjOe3twsLc40iQU VdHD9HnBZI5iPTvMWo7Ka6+fEfVt0LpYvc+6rpPK0MagPkvT3SAFYDZPt9tttw+B4P3NA41XHs66 COaLHf0BRsLNk+xFb5FNsjjbRFjrAAQBcTAHoQGAs/FptwMAALCZ9zjIh/lfr9eRadAmstUz2Z+L iSNSPd/WewQAEJHbg2n5iH3pxshMLj0srXq51KZlvRhfyLKM0jWP5icAwRHioLIYwp3qZuFQo3Wh 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