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#18545: 24.4.50: Bug - forward-line inside with-selected-window Date: Sun, 28 Sep 2014 19:29:47 +0300 Message-ID: <83sijbn1xg.fsf@gnu.org> References: <290964377.56621411668876487.JavaMail.www@wwinf7125> <83a95nv9fm.fsf@gnu.org> <542668BA.6010800@gmx.at> <838ul5tpfu.fsf@gnu.org> <54268B0B.1020203@gmx.at> <8361g9tijj.fsf@gnu.org> <5426BD71.4000705@gmx.at> <83zjdlrqti.fsf@gnu.org> <83wq8prmp2.fsf@gnu.org> <54270A02.2010907@gmx.at> <83r3ywsvkv.fsf@gnu.org> <83ppegsurp.fsf@gnu.org> <5427D634.1070100@gmx.at> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1411922486 5652 80.91.229.3 (28 Sep 2014 16:41:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 28 Sep 2014 16:41:26 +0000 (UTC) Cc: lompik@voila.fr, 18545@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 28 18:41:19 2014 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 1XYHXC-00062Q-0q for geb-bug-gnu-emacs@m.gmane.org; Sun, 28 Sep 2014 18:41:18 +0200 Original-Received: from localhost ([::1]:60338 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYHXB-0006TY-J6 for geb-bug-gnu-emacs@m.gmane.org; Sun, 28 Sep 2014 12:41:17 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40224) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYHWz-0006PQ-7S for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 12:41:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XYHWo-0004RK-ST for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 12:41:05 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34696) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYHWo-0004Pi-Oa for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 12:40:54 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XYHNF-0007oC-Lh for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 12:31:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 28 Sep 2014 16:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18545 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18545-submit@debbugs.gnu.org id=B18545.141192180529899 (code B ref 18545); Sun, 28 Sep 2014 16:31:01 +0000 Original-Received: (at 18545) by debbugs.gnu.org; 28 Sep 2014 16:30:05 +0000 Original-Received: from localhost ([127.0.0.1]:54490 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XYHMJ-0007m3-Ih for submit@debbugs.gnu.org; Sun, 28 Sep 2014 12:30:04 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:49623) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XYHMF-0007lH-SQ for 18545@debbugs.gnu.org; Sun, 28 Sep 2014 12:30:01 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0NCM00H00DRL8P00@a-mtaout22.012.net.il> for 18545@debbugs.gnu.org; Sun, 28 Sep 2014 19:29:58 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NCM00HQ0DTY8L00@a-mtaout22.012.net.il>; Sun, 28 Sep 2014 19:29:58 +0300 (IDT) In-reply-to: <5427D634.1070100@gmx.at> 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:93824 Archived-At: > Date: Sun, 28 Sep 2014 11:34:44 +0200 > From: martin rudalics > CC: lompik@voila.fr, 18545@debbugs.gnu.org > > > Hmm... I wonder why did we enter this area of the code, i.e. why did > > this condition fire: > > > > /* Handle case where place to start displaying has been specified, > > unless the specified location is outside the accessible range. */ > > if (w->force_start || window_frozen_p (w)) > > > > Was w->force_start non-zero, or did window_frozen_p return non-zero? > > If the former, can you see where was the force_start flag set? (I'd > > be surprised if it's the latter, since windows are only frozen when we > > grow the minibuffer, which shouldn't be happening here, I think.) > > > > In general, if the force_start flag of a window is set, that means we > > shouldn't scroll, so bringing point back into view makes sense. > > That's likely me. Under certain conditions I do `recenter' with a > negative argument in `post-command-hook' which basically looks like > > (recenter (max 0 (- (window-height) 7))) > > which triggers w->force_start being set here in xdisp.c: > > if (IT_CHARPOS (it) == PT) > w->force_start = 1; That's what I thought. > So my case _is_ very likely special. Still "bringing point back into > view" shouldn't make point appear on a partially visible line. No, that's likely the bug here. I will look into that.