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 o1BJXuIN017988 for ; Thu, 11 Feb 2010 20:33:57 +0100 Received: (qmail 3641 invoked by alias); 11 Feb 2010 19:33:51 -0000 Delivered-To: GMX delivery to rainer.schoepf@gmx.net Received: (qmail invoked by alias); 11 Feb 2010 19:33:51 -0000 Received: from relay2.uni-heidelberg.de (EHLO relay2.uni-heidelberg.de) [129.206.210.211] by mx0.gmx.net (mx075) with SMTP; 11 Feb 2010 20:33:51 +0100 Received: from listserv.uni-heidelberg.de (listserv.uni-heidelberg.de [129.206.100.94]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o1BJQvDm011972 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 11 Feb 2010 20:26:58 +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 o1BGVcg3007776; Thu, 11 Feb 2010 20:26:52 +0100 Received: by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 16.0) with spool id 386455 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Thu, 11 Feb 2010 20:26:52 +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 o1BJQquI025360 for ; Thu, 11 Feb 2010 20:26:52 +0100 Received: from anchor-post-2.mail.demon.net (anchor-post-2.mail.demon.net [195.173.77.133]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o1BJQgGV011788 for ; Thu, 11 Feb 2010 20:26:45 +0100 Received: from cremornelane.demon.co.uk ([80.177.25.195] helo=palladium.local) by anchor-post-2.mail.demon.net with esmtp (Exim 4.69) id 1NfegU-0003iK-kZ; Thu, 11 Feb 2010 19:26:42 +0000 User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-GB; rv:1.9.1.7) Gecko/20100111 Thunderbird/3.0.1 MIME-Version: 1.0 References: <4B88913F-0580-460A-B813-AC1F7E92CD92@yahoo.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <4B7459F2.9040103@morningstar2.co.uk> Date: Thu, 11 Feb 2010 19:26:42 +0000 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Joseph Wright Subject: Re: Scratch variables To: LATEX-L@listserv.uni-heidelberg.de In-Reply-To: <4B88913F-0580-460A-B813-AC1F7E92CD92@yahoo.de> Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: List-Archive: X-GMX-Antispam: 0 (Mail was not recognized as spam); Detail=5D7Q89H36p6i75npGen84eVAEFK/syJmQWfUJhD4BPL42vD+2ZuqoFSikZQiMYiOsSe7p SYKeehYeY/pC/61vSJiYuLlK/gn7NmaJC9RKxsrIbx8cvvG23XQhj1AgqgYmh0p5SQrYOlhI1457 m3/Gw==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: 6255 On 11/02/2010 18:26, Philipp Stephani wrote: > Hello, > > I wonder what the guarantees about the scratch variables like \l_tmpa_tl are. The documentation just states that "they are not used by conditionals or predicate functions." Does this mean that any other kernel macro might modify them? > > Thanks in advance, > Philipp > A quick search shows they are used in the tl module. I'd stick to defining "private" scratch variables. -- Joseph Wright