From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: A proposal for the future of open-paren-in-column-0-is-defun-start. Date: Sun, 05 Apr 2020 10:33:17 -0400 Message-ID: References: <20200405134735.GD5049@ACM> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="69106"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Apr 05 16:33:57 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jL6LU-000Hri-Hb for ged-emacs-devel@m.gmane-mx.org; Sun, 05 Apr 2020 16:33:56 +0200 Original-Received: from localhost ([::1]:48440 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jL6LT-0003DN-Ky for ged-emacs-devel@m.gmane-mx.org; Sun, 05 Apr 2020 10:33:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33405) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jL6Kw-0002YO-8b for emacs-devel@gnu.org; Sun, 05 Apr 2020 10:33:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jL6Ku-0001b2-LH for emacs-devel@gnu.org; Sun, 05 Apr 2020 10:33:21 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:32438) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jL6Ku-0001ag-HS for emacs-devel@gnu.org; Sun, 05 Apr 2020 10:33:20 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id C026E80D52; Sun, 5 Apr 2020 10:33:19 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 2D32D80AC2; Sun, 5 Apr 2020 10:33:18 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1586097198; bh=NrdANDD3xVnlIJYT8xcK7Dy5slM5/SaF2yl7r3sa0IY=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=h94098XeftbJKTh3MhqL3rvlY2qzwD8R5/pjs4DXyRD9uV0R8DYZZrlTQyInPXBQ2 sZzcPXCHILrKI+Rmx23cLGSQzmZ0JoxaxbEpf/i5KV+6o7o690U4V5uKcraTNLlHhh NVd+bR+KvQEcNmf8+DEQfpCWngUVaTnXh6BuBQO3x+/T6ppzJDS7hBU7/iTxQFjxTv YI4VjzfwTvg7nFnxOtHpinxg9PaqzJHMeSl77lz/GjtYTr6YNa2H01QgQ2l8kb3Hnx 6ZUmlFuK6FFiXvtqgmPnwlkmz8Qo2PYqD0XS24XBAdqUnCgzmTXpEO5p639plIKTK6 j3F2onDZPsKKg== Original-Received: from alfajor (unknown [104.247.241.114]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id C5CA112047F; Sun, 5 Apr 2020 10:33:17 -0400 (EDT) In-Reply-To: <20200405134735.GD5049@ACM> (Alan Mackenzie's message of "Sun, 5 Apr 2020 13:47:35 +0000") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 132.204.25.50 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:246460 Archived-At: > With this mechanism in place, o-p-i-c-0-i-d-s could safely be left > enabled, for speed's sake, FWIW setting `comment-use-syntax-ppss` to nil is likely make things *slower* in many cases. This "newish" variable was only introduced so as to have an escape hatch if it turned out that the new functionality of relying on syntax-ppss proved problematic. Given that I haven't seen a single incident reported since that fateful Dec 12 2017 night, I think we'd be better off removing `comment-use-syntax-ppss` altogether. Stefan