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#20663: page.el (forward-page): Avoid skipping pages Date: Mon, 11 Apr 2016 18:35:03 +0300 Message-ID: <8337qsgnvc.fsf@gnu.org> References: <20150526171440.GG647@gmail.com> <87h9fbum2w.fsf@mbork.pl> <83h9fbhu0p.fsf@gnu.org> <871t6eve9c.fsf@mbork.pl> <837fg6injl.fsf@gnu.org> <20160410012924.GA23097@gmail.com> <87fuus30rs.fsf@mbork.pl> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1460389004 12508 80.91.229.3 (11 Apr 2016 15:36:44 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 11 Apr 2016 15:36:44 +0000 (UTC) Cc: 20663@debbugs.gnu.org, ambrevar@gmail.com To: Marcin Borkowski Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Apr 11 17:36:40 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 1apdtI-0000zi-5R for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Apr 2016 17:36:40 +0200 Original-Received: from localhost ([::1]:57222 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apdtH-0004sq-6r for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Apr 2016 11:36:39 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apdsm-0003yg-8O for bug-gnu-emacs@gnu.org; Mon, 11 Apr 2016 11:36:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1apdsg-00047K-D1 for bug-gnu-emacs@gnu.org; Mon, 11 Apr 2016 11:36:08 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:47260) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apdsg-00047G-9b for bug-gnu-emacs@gnu.org; Mon, 11 Apr 2016 11:36:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1apdsg-0000zE-4v for bug-gnu-emacs@gnu.org; Mon, 11 Apr 2016 11:36:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 11 Apr 2016 15:36:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20663 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20663-submit@debbugs.gnu.org id=B20663.14603889483772 (code B ref 20663); Mon, 11 Apr 2016 15:36:02 +0000 Original-Received: (at 20663) by debbugs.gnu.org; 11 Apr 2016 15:35:48 +0000 Original-Received: from localhost ([127.0.0.1]:59597 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apdsS-0000ym-HI for submit@debbugs.gnu.org; Mon, 11 Apr 2016 11:35:48 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:49578) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apdsR-0000yZ-14 for 20663@debbugs.gnu.org; Mon, 11 Apr 2016 11:35:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1apdsG-00045E-3w for 20663@debbugs.gnu.org; Mon, 11 Apr 2016 11:35:41 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35439) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apdsF-000458-PT; Mon, 11 Apr 2016 11:35:35 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4991 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1apdsE-0007tF-H4; Mon, 11 Apr 2016 11:35:35 -0400 In-reply-to: <87fuus30rs.fsf@mbork.pl> (message from Marcin Borkowski on Mon, 11 Apr 2016 12:20:07 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:116380 Archived-At: > From: Marcin Borkowski > Cc: Eli Zaretskii , 20663@debbugs.gnu.org > Date: Mon, 11 Apr 2016 12:20:07 +0200 > > I spent a few minutes on this with Edebug and Git today. Thanks. > > - All the patch does it make the code consistent with its comments, that is: > > > > ;; In case the page-delimiter matches the null string, > > ;; don't find a match without moving. > > Seems ok. > > > - If you try the recipe (I just did on Emacs 24.5.1, don't have time to check > > now on upstream), you'll see that a page gets skipped, which is not the desired > > behaviour. > > Condirmed. And it doesn't happen with the patch installed. Can one of you please explain why the original code misbehaves? > For instance, when the point is -!-, is the point on the first or > second page here? Emacs with and without the patch has different > opinions on that. Good point.