Received: from mx0.gmx.net (mx0.gmx.net [213.165.64.100]) by h1439878.stratoserver.net (8.14.2/8.14.2/Debian-2build1) with SMTP id p2B4HiSC023756 for ; Fri, 11 Mar 2011 05:17:46 +0100 Received: (qmail 7591 invoked by alias); 11 Mar 2011 04:17:39 -0000 Delivered-To: GMX delivery to rainer.schoepf@gmx.net Received: (qmail invoked by alias); 11 Mar 2011 04:17:39 -0000 Received: from relay.uni-heidelberg.de (EHLO relay.uni-heidelberg.de) [129.206.100.212] by mx0.gmx.net (mx076) with SMTP; 11 Mar 2011 05:17:39 +0100 Received: from listserv.uni-heidelberg.de (listserv.uni-heidelberg.de [129.206.100.94]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id p2B4FWb1024210 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 11 Mar 2011 05:15:32 +0100 Received: from listserv.uni-heidelberg.de (localhost.localdomain [127.0.0.1]) by listserv.uni-heidelberg.de (8.13.1/8.13.1) with ESMTP id p2AN14xF008315; Fri, 11 Mar 2011 05:15:22 +0100 Received: by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 16.0) with spool id 1206719 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Fri, 11 Mar 2011 05:15:22 +0100 Received: from relay.uni-heidelberg.de (relay.uni-heidelberg.de [129.206.100.212]) by listserv.uni-heidelberg.de (8.13.1/8.13.1) with ESMTP id p2B4FMNo000488 for ; Fri, 11 Mar 2011 05:15:22 +0100 Received: from mail-gy0-f177.google.com (mail-gy0-f177.google.com [209.85.160.177]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id p2B4FGwr024142 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=FAIL) for ; Fri, 11 Mar 2011 05:15:20 +0100 Received: by gyh3 with SMTP id 3so1709961gyh.22 for ; Thu, 10 Mar 2011 20:15:15 -0800 (PST) Received: by 10.151.15.18 with SMTP id s18mr2104299ybi.93.1299816915772; Thu, 10 Mar 2011 20:15:15 -0800 (PST) Received: from staff-250-145.wireless.adelaide.edu.au (staff-250-145.wireless.adelaide.edu.au [129.127.250.145]) by mx.google.com with ESMTPS id d3sm2770028ybi.5.2011.03.10.20.15.13 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 10 Mar 2011 20:15:14 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1081) Content-Transfer-Encoding: 7bit References: <905C5ED0-6639-4DEB-95AC-A2FCB2C4491D@gmail.com> X-Mailer: Apple Mail (2.1081) X-Spam-Whitelist: Message-ID: Date: Fri, 11 Mar 2011 14:45:08 +1030 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Will Robertson Subject: Re: expl3's seq_pop_right etc. To: LATEX-L@listserv.uni-heidelberg.de In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: List-Archive: X-GMX-Antispam: 0 (Mail was not recognized as spam); Detail=5D7Q89H36p77e5KAPs1l6v/Sb97LojnDtMgfETrECMLUO9erHzOJe+OynZRhvlGqb5A0X bbiCt2rAnnct/NAlbHMvoAL6GY+23tB3khNK7bnSLVW+CwI5D12EFi8O0kjG6WQoWUyJZa/tsAeZ e++4A==V1; X-Resent-By: Forwarder X-Resent-For: rainer.schoepf@gmx.net X-Resent-To: rainer@rainer-schoepf.de Status: R X-Status: X-Keywords: X-UID: 6667 On 11/03/2011, at 1:33 PM, Bruno Le Floch wrote: > I'll give a try to various variants f-/x-/non-expandable this weekend, > and benchmark them. Thanks! > Do we care about keeping braces surrounding an element in a sequence > (I'd say yes, although it requires more care)? Absolutely, yes. Cheers, -- Will