From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#16526: 24.3.50; scroll-conservatively & c-mode regression Date: Sun, 29 Jun 2014 09:17:57 +0000 Message-ID: <20140629091757.GA2948@acm.acm> References: <83wqc8sxd2.fsf@gnu.org> <20140625213206.GA3604@acm.acm> <20140627203416.GA4395@acm.acm> <20140628130059.GA4144@acm.acm> <53AECA88.7010401@gmx.at> <20140628145509.GB4144@acm.acm> <53AFD1FA.5010201@gmx.at> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1404034151 24801 80.91.229.3 (29 Jun 2014 09:29:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 29 Jun 2014 09:29:11 +0000 (UTC) Cc: 16526-done@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jun 29 11:29:02 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 1X1BPx-0001jK-0X for geb-bug-gnu-emacs@m.gmane.org; Sun, 29 Jun 2014 11:29:01 +0200 Original-Received: from localhost ([::1]:57006 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1BPw-0003kW-EV for geb-bug-gnu-emacs@m.gmane.org; Sun, 29 Jun 2014 05:29:00 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55491) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1BPm-0003k9-8U for bug-gnu-emacs@gnu.org; Sun, 29 Jun 2014 05:28:57 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X1BPe-0006Bm-Ls for bug-gnu-emacs@gnu.org; Sun, 29 Jun 2014 05:28:50 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:45282) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1BKA-0004dV-MV; Sun, 29 Jun 2014 05:23:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1X1BKA-0004eL-7A; Sun, 29 Jun 2014 05:23:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Sun, 29 Jun 2014 09:23:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16526 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 16526-done@debbugs.gnu.org id=D16526.140403375517824 (code D ref 16526); Sun, 29 Jun 2014 09:23:02 +0000 Original-Received: (at 16526-done) by debbugs.gnu.org; 29 Jun 2014 09:22:35 +0000 Original-Received: from localhost ([127.0.0.1]:36432 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X1BJi-0004dP-DO for submit@debbugs.gnu.org; Sun, 29 Jun 2014 05:22:34 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:19637 helo=mail.muc.de) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X1BJf-0004dE-Vh for 16526-done@debbugs.gnu.org; Sun, 29 Jun 2014 05:22:33 -0400 Original-Received: (qmail 98310 invoked by uid 3782); 29 Jun 2014 09:22:30 -0000 Original-Received: from acm.muc.de (pD9518149.dip0.t-ipconnect.de [217.81.129.73]) by colin.muc.de (tmda-ofmipd) with ESMTP; Sun, 29 Jun 2014 11:22:26 +0200 Original-Received: (qmail 2975 invoked by uid 1000); 29 Jun 2014 09:17:57 -0000 Content-Disposition: inline In-Reply-To: <53AFD1FA.5010201@gmx.at> User-Agent: Mutt/1.5.21 (2010-09-15) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de 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:90953 Archived-At: Hi, Martin. On Sun, Jun 29, 2014 at 10:44:42AM +0200, martin rudalics wrote: > > Making a choice between two ugly workarounds customisable would be > > short-changing users. > My `open-paren-in-column-0-is-defun-start' is t and by ignoring that > setting in CC mode you are already short-changing me. That's a bit philosophical. open-..-start is advertised as a high level option, and CC Mode only binds it to nil at a low level, the "engine" level. Binding user options to set values at a low level is quite a common practice in Elisp programming. The actual bug here is that find_defun_start in syntax.c doesn't do any cacheing, hence is scanning from BOB far too often. How about we see how things work once this is fixed. > martin -- Alan Mackenzie (Nuremberg, Germany).