From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: rx.el sexp regexp syntax Date: Mon, 28 May 2018 23:10:35 -0400 Message-ID: References: <87h8mw3yoc.fsf@gmail.com> <20180525155126.GA4096@ACM> <87lgc7hebk.fsf@gmail.com> <87r2lzd375.fsf@ericabrahamsen.net> <8736ybpwhh.fsf@gmail.com> Reply-To: rms@gnu.org NNTP-Posting-Host: blaine.gmane.org Content-Type: text/plain; charset=Utf-8 X-Trace: blaine.gmane.org 1527563332 16413 195.159.176.226 (29 May 2018 03:08:52 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 29 May 2018 03:08:52 +0000 (UTC) Cc: emacs-devel@gnu.org, ambrevar@gmail.com To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue May 29 05:08:48 2018 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 1fNV0B-0004C6-EW for ged-emacs-devel@m.gmane.org; Tue, 29 May 2018 05:08:47 +0200 Original-Received: from localhost ([::1]:58721 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fNV2I-0000Kd-Ji for ged-emacs-devel@m.gmane.org; Mon, 28 May 2018 23:10:58 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35411) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fNV24-0000Hx-KH for emacs-devel@gnu.org; Mon, 28 May 2018 23:10:45 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fNV23-000064-Da for emacs-devel@gnu.org; Mon, 28 May 2018 23:10:44 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51867) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fNV1w-0008St-5c; Mon, 28 May 2018 23:10:36 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1fNV1v-0004xm-NF; Mon, 28 May 2018 23:10:35 -0400 In-reply-to: (message from Stefan Monnier on Mon, 28 May 2018 13:15:45 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:225792 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > The main problem of RX is not lack of features, but verbosity which for > me makes it disappointingly difficult to read (not always worse than > string regexps, admittedly, but still). Can someone design a more brief format that is nonetheless more elegant and readable than rx format? -- Dr Richard Stallman President, Free Software Foundation (https://gnu.org, https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org)