From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#18545: 24.4.50: Bug - forward-line inside with-selected-window Date: Sun, 28 Sep 2014 11:34:44 +0200 Message-ID: <5427D634.1070100@gmx.at> 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> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1411897285 16058 80.91.229.3 (28 Sep 2014 09:41:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 28 Sep 2014 09:41:25 +0000 (UTC) Cc: lompik@voila.fr, 18545@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 28 11:41:17 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 1XYAye-0001jS-Je for geb-bug-gnu-emacs@m.gmane.org; Sun, 28 Sep 2014 11:41:12 +0200 Original-Received: from localhost ([::1]:59000 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYAye-0008Qe-4v for geb-bug-gnu-emacs@m.gmane.org; Sun, 28 Sep 2014 05:41:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36950) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYAyT-0008QB-QC for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 05:41:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XYAyL-0005i9-4N for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 05:41:01 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34287) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYAyL-0005hi-1o for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 05:40:53 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XYAte-0004hJ-46 for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 05:36:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 28 Sep 2014 09:36:02 +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=B18545.141189690917994 (code B ref 18545); Sun, 28 Sep 2014 09:36:02 +0000 Original-Received: (at 18545) by debbugs.gnu.org; 28 Sep 2014 09:35:09 +0000 Original-Received: from localhost ([127.0.0.1]:54084 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XYAsl-0004g9-QK for submit@debbugs.gnu.org; Sun, 28 Sep 2014 05:35:08 -0400 Original-Received: from mout.gmx.net ([212.227.15.15]:50177) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XYAsj-0004g0-6e for 18545@debbugs.gnu.org; Sun, 28 Sep 2014 05:35:05 -0400 Original-Received: from [93.82.13.243] ([93.82.13.243]) by mail.gmx.com (mrgmx003) with ESMTPSA (Nemesis) id 0MGBB1-1XRrV92bJP-00F8DL; Sun, 28 Sep 2014 11:34:56 +0200 In-Reply-To: <83ppegsurp.fsf@gnu.org> X-Provags-ID: V03:K0:B8WIqJwRb/LAAeHeEqVLEBRFbp3OpYRQMiwkuDPnuVWcqAzthjA RhbLtOeR6mE/9J9xqbg5lE5A1fwn25lH63ZYC8BFMWdA6ihLn42FSMtCaBjCNpEs1KrHh6g p7CCXlDNe6srXI3V230z8mVaCN0vDuo61yzUDbJOWfGf0TtTZebwDst31To1926op2jNNQ+ PXgiYc/Xh+QAZHqGpon7w== X-UI-Out-Filterresults: notjunk:1; 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:93814 Archived-At: > 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; So my case _is_ very likely special. Still "bringing point back into view" shouldn't make point appear on a partially visible line. Or am I missing something? martin