From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#14780: Regression: C-n doesn't go to next line under simple circumstances Date: Fri, 19 Jul 2013 23:30:29 +0300 Message-ID: <83ehauz40q.fsf@gnu.org> References: <83fvvaz7jf.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1374265877 24423 80.91.229.3 (19 Jul 2013 20:31:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Jul 2013 20:31:17 +0000 (UTC) Cc: 14780@debbugs.gnu.org To: Barry OReilly Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jul 19 22:31:18 2013 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 1V0HKX-0001Nr-Ph for geb-bug-gnu-emacs@m.gmane.org; Fri, 19 Jul 2013 22:31:10 +0200 Original-Received: from localhost ([::1]:54115 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0HKX-0007GH-E2 for geb-bug-gnu-emacs@m.gmane.org; Fri, 19 Jul 2013 16:31:09 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40896) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0HKS-0007Fh-8T for bug-gnu-emacs@gnu.org; Fri, 19 Jul 2013 16:31:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V0HKQ-0003hw-CR for bug-gnu-emacs@gnu.org; Fri, 19 Jul 2013 16:31:04 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43794) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V0HKQ-0003hh-8t for bug-gnu-emacs@gnu.org; Fri, 19 Jul 2013 16:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1V0HKP-00087C-KV for bug-gnu-emacs@gnu.org; Fri, 19 Jul 2013 16:31:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 19 Jul 2013 20:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14780 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 14780-submit@debbugs.gnu.org id=B14780.137426584531131 (code B ref 14780); Fri, 19 Jul 2013 20:31:01 +0000 Original-Received: (at 14780) by debbugs.gnu.org; 19 Jul 2013 20:30:45 +0000 Original-Received: from localhost ([127.0.0.1]:38107 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V0HK8-000862-Ix for submit@debbugs.gnu.org; Fri, 19 Jul 2013 16:30:45 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:39656) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V0HK5-00085f-Fy for 14780@debbugs.gnu.org; Fri, 19 Jul 2013 16:30:43 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MQ700I00A9CBE00@a-mtaout22.012.net.il> for 14780@debbugs.gnu.org; Fri, 19 Jul 2013 23:30:17 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MQ700IT7AAG8L20@a-mtaout22.012.net.il>; Fri, 19 Jul 2013 23:30:17 +0300 (IDT) In-reply-to: X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:76504 Archived-At: > Date: Fri, 19 Jul 2013 15:53:35 -0400 > From: Barry OReilly > > Use this /tmp/cant-next-line.el to automate a little more. > > (tool-bar-mode 0) > (global-whitespace-mode 1) > (set-face-attribute 'default nil :height 80) > (setq scroll-margin 4) > (setq scroll-conservatively 101) > (add-hook 'emacs-startup-hook (lambda () > (re-search-forward "here") > (trace-redisplay) > ;; Doesn't reproduce it, have to C-n manually > ;; (run-at-time "1 sec" 1 (lambda () > ;; > (call-interactively 'next-line))) > )) > > Reproduction won't happen if you: > - resize the window > - use M-x next-line instead of C-n > - press and hold C-n > - navigate in ways other than prescribed > > I can see it everytime I follow the recipe. > > Here is the trace-redisplay resulting from: > ./src/emacs -r -Q --load /tmp/cant-next-line.el /tmp/cant-next-line.txt I get 'Search failed: "here"'. Are you using a recent trunk? I'm using today's trunk. > redisplay_internal 0 > 0x110d9a0 (cant-next-line.txt): same window start > 0x110d9a0 (cant-next-line.txt): 1 > 0x110d9a0 (cant-next-line.txt): same window start > 0x110d9a0 (cant-next-line.txt): 1 > redisplay_preserve_echo_area (8) > redisplay_internal 0 > redisplay_internal 0 > 0x110d9a0 (cant-next-line.txt): cursor movement > 0x110d9a0 (cant-next-line.txt): try_scrolling > redisplay_internal 0 > 0x110d9a0 (cant-next-line.txt): forced window start > redisplay_preserve_echo_area (7) > redisplay_internal 0 > redisplay_internal 0 > 0x110d9a0 (cant-next-line.txt): forced window start > redisplay_preserve_echo_area (7) > redisplay_internal 0 > redisplay_internal 0 > 0x110d9a0 (cant-next-line.txt): forced window start > redisplay_preserve_echo_area (7) > redisplay_internal 0 > redisplay_internal 0 > 0x110d9a0 (cant-next-line.txt): forced window start > redisplay_preserve_echo_area (7) > redisplay_internal 0 > redisplay_preserve_echo_area (8) > redisplay_internal 0 > redisplay_preserve_echo_area (8) > redisplay_internal 0 I see nothing extraordinary here.