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 o8N63fRY013541 for ; Thu, 23 Sep 2010 08:03:42 +0200 Received: (qmail 20290 invoked by alias); 23 Sep 2010 06:03:36 -0000 Delivered-To: GMX delivery to rainer.schoepf@gmx.net Received: (qmail invoked by alias); 23 Sep 2010 06:03:36 -0000 Received: from relay.uni-heidelberg.de (EHLO relay.uni-heidelberg.de) [129.206.100.212] by mx0.gmx.net (mx031) with SMTP; 23 Sep 2010 08:03:36 +0200 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 o8N61F2r025888 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 23 Sep 2010 08:01:15 +0200 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 o8MM16Of026230; Thu, 23 Sep 2010 08:01:39 +0200 Received: by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 16.0) with spool id 435755 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Thu, 23 Sep 2010 08:01:39 +0200 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 o8N61dSU026846 for ; Thu, 23 Sep 2010 08:01:39 +0200 Received: from anchor-post-3.mail.demon.net (anchor-post-3.mail.demon.net [195.173.77.134]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o8N63FPh001409 for ; Thu, 23 Sep 2010 08:03:18 +0200 Received: from cremornelane.demon.co.uk ([80.177.25.195] helo=palladium.local) by anchor-post-3.mail.demon.net with esmtp (Exim 4.69) id 1Oyes4-0002pS-o1 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Thu, 23 Sep 2010 06:01:28 +0000 User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-GB; rv:1.9.2.9) Gecko/20100915 Thunderbird/3.1.4 MIME-Version: 1.0 References: <4C967C9B.5010706@gmx.de> <71ED7A5B-DE11-45D9-9785-95A1DC795080@gmail.com> <4C9724B4.3010301@residenset.net> <19607.26705.947540.499705@morse.mittelbach-online.de> <4C9840AB.4050805@gmx.de> <732A7500-5414-4818-87E3-33CB14463288@gmail.com> <4C98435A.1050507@gmx.de> <4C989ACB.5060000@morningstar2.co.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Message-ID: <4C9AED38.6050406@morningstar2.co.uk> Date: Thu, 23 Sep 2010 07:01:28 +0100 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Joseph Wright Subject: Re: boolean expressions in ExplSyntaxNames 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=5D7Q89H36p6i75npGen84eVAEFK/syJmiNoEBJhgjYKpglu1TZLLw7xMZnJMXwBFy+Sxe D/AUQGQOurK3ezVJqUBFH0uN5pjmWoMfpyHp51n0Chsu2hOBVYSk7e/8Hk0k6t5Z2q/LuQeyq+iY atwPw==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: 6441 On 23/09/2010 00:08, Morten Høgholm wrote: > I know one could do this the way you have outlined. There are, > however, a few gotcha (as always in TeX), which is why there have been > different implementations. If you look back in time in the svn, you > will also find that there was actually both "ands" and "ors" functions > at one point. [lots of careful analysis] Morten makes a good case for the current approach: back to thinking for me! -- Joseph Wright