From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: icalendar.el bug fix patch Date: Fri, 1 Nov 2019 14:19:30 -0700 Organization: UCLA Computer Science Department Message-ID: <34fad408-c220-7980-c7fe-1299093d842f@cs.ucla.edu> References: <875zkfd1rz.fsf@hm.sivalik.com> <83eeyslytn.fsf@gnu.org> <87imo3g8af.fsf@hm.sivalik.com> <831rurn3vs.fsf@gnu.org> <321C5595-5EBF-4231-9179-FE1CA4A412F7@acm.org> <83tv7nlo16.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="115323"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 Cc: rajeev@sivalik.com, emacs-devel@gnu.org To: Eli Zaretskii , =?UTF-8?Q?Mattias_Engdeg=c3=a5rd?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Nov 01 22:21:50 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iQeMf-000Trc-AM for ged-emacs-devel@m.gmane.org; Fri, 01 Nov 2019 22:21:49 +0100 Original-Received: from localhost ([::1]:43068 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iQeMe-0006QO-04 for ged-emacs-devel@m.gmane.org; Fri, 01 Nov 2019 17:21:48 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55272) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iQeKg-0006O8-9f for emacs-devel@gnu.org; Fri, 01 Nov 2019 17:19:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iQeKc-000260-TZ for emacs-devel@gnu.org; Fri, 01 Nov 2019 17:19:43 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:34838) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iQeKX-0001Ny-Da; Fri, 01 Nov 2019 17:19:37 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 2B46116021D; Fri, 1 Nov 2019 14:19:32 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id Ps0Qfr9Ybjuk; Fri, 1 Nov 2019 14:19:31 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 731B5160570; Fri, 1 Nov 2019 14:19:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ooEdunC65sUV; Fri, 1 Nov 2019 14:19:31 -0700 (PDT) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 59D3016021D; Fri, 1 Nov 2019 14:19:31 -0700 (PDT) In-Reply-To: <83tv7nlo16.fsf@gnu.org> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:241712 Archived-At: On 11/1/19 6:33 AM, Eli Zaretskii wrote: >> you would have to write "\\(?:.\\|\n\\)" which is slower and messier, although perhaps easier to understand. > Yes, it's easier to understand, so I prefer that we use it. > I find "[^z-a]" to be signficantly easier to understand than "\\(?:.\\|\n\\)". But since the concept is useful, how about if we create an escape for it? For example, we could establish \! as a regexp that matches any single character. This be more readable than either [^z-a] or \(?:.\| \), and would surely help performance as well as readability.