From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Bug #25608 and the comment-cache branch Date: Sun, 05 Feb 2017 20:12:13 -0500 Message-ID: References: <20170202202418.GA2505@acm> <83lgtouxpf.fsf@gnu.org> <20170202215154.GB2505@acm> <83h94bvhzw.fsf@gnu.org> <20170205220045.GB2294@acm> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1486343548 16615 195.159.176.226 (6 Feb 2017 01:12:28 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 6 Feb 2017 01:12:28 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Feb 06 02:12:25 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1caXqz-000466-9X for ged-emacs-devel@m.gmane.org; Mon, 06 Feb 2017 02:12:25 +0100 Original-Received: from localhost ([::1]:45069 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1caXr4-0007Ky-Mm for ged-emacs-devel@m.gmane.org; Sun, 05 Feb 2017 20:12:30 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59595) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1caXqy-0007Kt-OL for emacs-devel@gnu.org; Sun, 05 Feb 2017 20:12:25 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1caXqv-0001Vg-KV for emacs-devel@gnu.org; Sun, 05 Feb 2017 20:12:24 -0500 Original-Received: from [195.159.176.226] (port=32908 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1caXqv-0001VM-Eb for emacs-devel@gnu.org; Sun, 05 Feb 2017 20:12:21 -0500 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1caXqn-0003Yk-3M for emacs-devel@gnu.org; Mon, 06 Feb 2017 02:12:13 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 14 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:25stJk+xXoGL5hNmPruDeCJ6sXY= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:212009 Archived-At: > | Speed Direction of scanning Correct parsing > ------------------------------------------------------------------------ > CC | OK forwards yes > M-t | OK backwards no [1] > M-nil | Slow backwards probably [2] > AP | OK backwards no [3] And its parsing is correct if you assume that syntax-ppss works correctly (and if it doesn't, it's something that needs to be fixed anyway because it has much worse consequences than just messing (forward-comment -1)). Stefan