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 o1E6GtF2013895 for ; Sun, 14 Feb 2010 07:16:56 +0100 Received: (qmail 18795 invoked by alias); 14 Feb 2010 06:16:50 -0000 Delivered-To: GMX delivery to rainer.schoepf@gmx.net Received: (qmail invoked by alias); 14 Feb 2010 06:16:50 -0000 Received: from relay.uni-heidelberg.de (EHLO relay.uni-heidelberg.de) [129.206.100.212] by mx0.gmx.net (mx023) with SMTP; 14 Feb 2010 07:16:50 +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 o1E6ETZK026647 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 14 Feb 2010 07:14:29 +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 o1DN14tQ031205; Sun, 14 Feb 2010 07:14:19 +0100 Received: by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 16.0) with spool id 378381 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Sun, 14 Feb 2010 07:14:19 +0100 Received: from relay2.uni-heidelberg.de (relay2.uni-heidelberg.de [129.206.210.211]) by listserv.uni-heidelberg.de (8.13.1/8.13.1) with ESMTP id o1E6EJsA011312 for ; Sun, 14 Feb 2010 07:14:19 +0100 Received: from mail-yx0-f175.google.com (mail-yx0-f175.google.com [209.85.210.175]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o1E6EFrx009097 for ; Sun, 14 Feb 2010 07:14:19 +0100 Received: by yxe5 with SMTP id 5so3667421yxe.24 for ; Sat, 13 Feb 2010 22:14:14 -0800 (PST) Received: by 10.150.209.1 with SMTP id h1mr6430041ybg.145.1266128053992; Sat, 13 Feb 2010 22:14:13 -0800 (PST) Received: from ?10.0.1.102? (115-166-21-236.ip.adam.com.au [115.166.21.236]) by mx.google.com with ESMTPS id 6sm1964175ywc.8.2010.02.13.22.14.11 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sat, 13 Feb 2010 22:14:12 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1077) References: <4b6c8efc$0$6573$9b4e6d93@newsspool3.arcor-online.net> <09bdfa24-c77c-4f37-8c89-809befb28934@u41g2000yqe.googlegroups.com> <4b6cc60a$0$6581$9b4e6d93@newsspool3.arcor-online.net> <227E5CB1-DBE8-4956-94C6-9B9FD1B15A07@yahoo.de> <19317.56561.17406.210089@morse.mittelbach-online.de> <702AECD6-E31C-47EE-8921-AB9EACC52AC7@yahoo.de> <44638509-90DA-40C0-8A04-0E04CD12C208@gmail.com> <19318.53947.230007.647258@morse.mittelbach-online.de> X-Mailer: Apple Mail (2.1077) X-Spam-Whitelist: Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by listserv.uni-heidelberg.de id o1E6EJsA011313 Message-ID: <4DC1D59F-2AB8-4DE4-9242-35578B3F16A3@gmail.com> Date: Sun, 14 Feb 2010 16:44:07 +1030 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Will Robertson Subject: Re: Newbie Question on LaTeX 3 Programming - \exp_arg:x To: LATEX-L@listserv.uni-heidelberg.de In-Reply-To: <19318.53947.230007.647258@morse.mittelbach-online.de> Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: List-Archive: X-GMX-Antispam: 0 (Mail was not recognized as spam); Detail=5D7Q89H36p4WX0t+AtsdW2ORvUlAfcdSq7Ahyg4C/fk7uuW7VuLVQU/9lW10ossSgiooH lxSHbEnX0oJ57xI6MWoyO+U9X92yZOpkaZBGwux19dyx28hhIBPaGBT3JMH+WjPiOw1JwWxORN4h 5n0fQ==V1; X-Resent-By: Forwarder X-Resent-For: rainer.schoepf@gmx.net X-Resent-To: rainer@rainer-schoepf.de X-Scanned-By: MIMEDefang 2.63 on 85.214.41.38 Status: R X-Status: X-Keywords: X-UID: 6269 On 14/02/2010, at 2:56 AM, Frank Mittelbach wrote: > I don't think it should be added - not for the non-expandable operation that > we are currently talking about. > > For starters the command you are looking for already exists, sort of at > least. It is called \use:x if you think about it: > > \use:n is the base function that takes its argument and returns it without > the braces. > > \use:x is then the command that fully expands its argument (using the power > of \edef that Philipp is looking for) and passes presents the result to > \use:n, which is what you are looking for. This sounds very good to me; much better name than \exp_arg:x. I've added it to the svn repository. Thanks, -- Will