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#16526: 24.3.50; scroll-conservatively & c-mode regression Date: Sun, 29 Jun 2014 12:06:46 +0200 Message-ID: <53AFE536.7010407__38752.2723911845$1404036455$gmane$org@gmx.at> 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> <20140629091757.GA2948@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1404036455 14759 80.91.229.3 (29 Jun 2014 10:07:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 29 Jun 2014 10:07:35 +0000 (UTC) Cc: 16526-done@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jun 29 12:07:28 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 1X1C1A-0007EQ-Dp for geb-bug-gnu-emacs@m.gmane.org; Sun, 29 Jun 2014 12:07:28 +0200 Original-Received: from localhost ([::1]:57064 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1C19-0007wW-Us for geb-bug-gnu-emacs@m.gmane.org; Sun, 29 Jun 2014 06:07:27 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59874) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1C10-0007wK-3A for bug-gnu-emacs@gnu.org; Sun, 29 Jun 2014 06:07:25 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X1C0s-0007sT-JP for bug-gnu-emacs@gnu.org; Sun, 29 Jun 2014 06:07:18 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:45296) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1C0k-0007op-OQ; Sun, 29 Jun 2014 06:07:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1X1C0k-0005tC-6U; Sun, 29 Jun 2014 06:07:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Sun, 29 Jun 2014 10:07:02 +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=D16526.140403641922629 (code D ref 16526); Sun, 29 Jun 2014 10:07:02 +0000 Original-Received: (at 16526-done) by debbugs.gnu.org; 29 Jun 2014 10:06:59 +0000 Original-Received: from localhost ([127.0.0.1]:36446 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X1C0g-0005st-35 for submit@debbugs.gnu.org; Sun, 29 Jun 2014 06:06:58 -0400 Original-Received: from mout.gmx.net ([212.227.15.15]:64269) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X1C0d-0005se-MF for 16526-done@debbugs.gnu.org; Sun, 29 Jun 2014 06:06:56 -0400 Original-Received: from [178.190.16.168] ([178.190.16.168]) by mail.gmx.com (mrgmx002) with ESMTPSA (Nemesis) id 0MgLMU-1XLUJK19Xy-00NkDt; Sun, 29 Jun 2014 12:06:48 +0200 In-Reply-To: <20140629091757.GA2948@acm.acm> X-Provags-ID: V03:K0:+tK0zeuwMcD+b5FrapuGa8IsCkTIsKI7A4GBYqWXmu1HFJjHiLq 6kIagaxHvgHYjqQgxP4DNEUgd0qss8fhUTkCQGH6lPqKT5vBfkPYrzESal+L+P2ua+kvWt1 5FB3ZW8cbWax1C94vCuhCb6HMb5+szJEzGzmMU26v9MLS/Z/apZBZFO5+IXYSM820O67AFv NF3BZF0mQJPw1tTjddzBQ== 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:90954 Archived-At: > 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. It is a quite bad 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. We're discussing this problem for some ten years now and I'm afraid we won't find a solution for the imminent release. martin