From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#23570: 25.1.50; Cursor motion error with visual-line-mode Date: Thu, 19 May 2016 10:58:42 +0800 Message-ID: <87bn42rbx9.fsf@gmail.com> References: <87lh374npf.fsf@gmail.com> <83oa832pdi.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1463626764 30713 80.91.229.3 (19 May 2016 02:59:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 19 May 2016 02:59:24 +0000 (UTC) Cc: 23570@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu May 19 04:59:12 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1b3EB6-0000WL-EP for geb-bug-gnu-emacs@m.gmane.org; Thu, 19 May 2016 04:59:12 +0200 Original-Received: from localhost ([::1]:47858 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b3EB5-0001rP-I4 for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 19 May 2016 02:59:02 +0000 Original-Received: (at 23570) by debbugs.gnu.org; 19 May 2016 02:58:57 +0000 Original-Received: from localhost ([127.0.0.1]:57487 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b3EAr-0007QH-5U for submit@debbugs.gnu.org; Wed, 18 May 2016 22:58:57 -0400 Original-Received: from mail-pf0-f195.google.com ([209.85.192.195]:36447) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b3EAq-0007Q4-3B for 23570@debbugs.gnu.org; Wed, 18 May 2016 22:58:56 -0400 Original-Received: by mail-pf0-f195.google.com with SMTP id g132so6702612pfb.3 for <23570@debbugs.gnu.org>; Wed, 18 May 2016 19:58:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=4cLy1lZ1SSPolNk/ktk4H5bbKbwdBb2Dp9+zSSgKCz0=; b=VXbi8JcICSkwlFCjpe1mw1GWO4F2ss9pEYbvnMHZlU0C20IFenig4ySSIDPJEZwxI1 EV/1ahzmwE/2bBi5x+Aa32uaatolNbs/zuaeePF9LCOkUjlTskqjyZebaYtSHxMU9qS9 wfpuQLQTM7T3SdTOJ90fG48JDIpXIn8yZj6IeK8wEnF1C2z/LHql/AjoYZ6rkhYPbnyP DUEk9gvDOF8hvuy4Vd4gVrpk2pY7t3X3WHD12AmsM5Z89e7wka1pWH44HNGRfDJT4ch4 sVyOOaecslnGmqos+0rVb77Rb8L9EGklNuOjJN/t90eIME177opskQjiFTLZrlSX6Ihh z1pA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=4cLy1lZ1SSPolNk/ktk4H5bbKbwdBb2Dp9+zSSgKCz0=; b=EdWFYp5iWEKyJHWPVnHe3ccyLYJ+htERl4egNDAlA7XmwNsg0MYpiThza6PJR3AhRE KJ0bn0kDodsSmVl5CyX6zHELSSF1InzJCTSBVcZIx2gMzhjt8LM+JZP1crwiXOzb6LcI lNEvZkrRhxmpkwtd12quv+Qw1RH36zFCXkCvREm4y+WWuekdnwOFdKFngviERasxoP+h UpfB3rV7NaPAccm+uXhL1oeSscGNFY99XqiOvUOC9cZTupQD0CjFJwic2N4Pt2KVIDoT YMJ2a4pknDE3TdBQW3HU+IrdHDNCLQTdBAPmk0Sqj+XmWL8VVzrKxw5AjaFkxXUBo3KH LoDQ== X-Gm-Message-State: AOPr4FWA4SDn+jZjqyqJxTbqT4juvPsG0l3W5GmUkDSzA9JHZFD1sMNI7V5wU+KCWKxtmA== X-Received: by 10.98.38.130 with SMTP id m124mr15975901pfm.14.1463626729891; Wed, 18 May 2016 19:58:49 -0700 (PDT) Original-Received: from tsparkle ([155.69.16.255]) by smtp.gmail.com with ESMTPSA id yv7sm15366028pab.31.2016.05.18.19.58.48 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 18 May 2016 19:58:49 -0700 (PDT) In-Reply-To: <83oa832pdi.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 18 May 2016 21:27:21 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) 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:118437 Archived-At: Eli Zaretskii writes: > I cannot say I can reproduce this on my machine. I see something > similar in Emacs 24.5, but not with the current master or release > branch. > > I think what you see could be explained by changing the frame size by > non-integer number of characters (i.e. by a number of pixels that is > smaller than the canonical character width). But since I cannot come > up with a reproducible recipe, I cannot debug this. The recipe does not describe changing the frame size by non-integer number of characters. I'm changing the frame (hence window) size by dragging the frame border; the width changes by one character at a time. To remove all ambiguity, here is another recipe using elisp: 1. emacs -Q 2. Insert the following: (defun foo () (interactive) (save-excursion (dotimes (x 7) (insert "123456789 ")) (insert "12 ABCDEFGHIJK MOPQ")) (visual-line-mode) (set-frame-parameter nil 'width 85)) 3. M-x eval-buffer RET 4. M-x foo RET 5. C-e => cursor goes to the wrong place.