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 p7PHcjGA030671 for ; Thu, 25 Aug 2011 19:38:46 +0200 Received: (qmail 21312 invoked by alias); 25 Aug 2011 17:38:40 -0000 Delivered-To: GMX delivery to rainer.schoepf@gmx.net Received: (qmail invoked by alias); 25 Aug 2011 17:38:40 -0000 Received: from relay.uni-heidelberg.de (EHLO relay.uni-heidelberg.de) [129.206.100.212] by mx0.gmx.net (mx109) with SMTP; 25 Aug 2011 19:38:40 +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 p7PHZoVx014652 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 25 Aug 2011 19:35:50 +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 p7PE68R1013909; Thu, 25 Aug 2011 19:35:49 +0200 Received: by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 16.0) with spool id 1617002 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Thu, 25 Aug 2011 19:35:49 +0200 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 p7PHZn6p002194 for ; Thu, 25 Aug 2011 19:35:49 +0200 Received: from ix.urz.uni-heidelberg.de (cyrus-portal.urz.uni-heidelberg.de [129.206.100.176]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id p7PHZn2c014643 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 25 Aug 2011 19:35:49 +0200 Received: from relay2.uni-heidelberg.de (relay2.uni-heidelberg.de [129.206.210.211]) by ix.urz.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p7PHZm5b009632 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 25 Aug 2011 19:35:49 +0200 Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p7PHZdEd012604 for ; Thu, 25 Aug 2011 19:35:42 +0200 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Qwdq3-00013g-OC for LATEX-L@URZ.UNI-HEIDELBERG.DE; Thu, 25 Aug 2011 19:35:35 +0200 Received: from p5dd1d0c4.dip.t-dialin.net ([93.209.208.196]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 25 Aug 2011 19:35:35 +0200 Received: from news3 by p5dd1d0c4.dip.t-dialin.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 25 Aug 2011 19:35:35 +0200 X-Injected-Via-Gmane: http://gmane.org/ Lines: 20 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: p5dd1d0c4.dip.t-dialin.net User-Agent: 40tude_Dialog/2.0.15.41de X-Spam-Flag: No X-Envelope-From: X-Spam-Status: No, hits=-4.30 required=5 tests=AWL,BAYES_00,L_P0F_Linux,RCVD_IN_DNSWL_MED,SPF_HELO_PASS, SPF_PASS Message-ID: Date: Thu, 25 Aug 2011 19:34:44 +0200 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Ulrike Fischer Subject: l3keys: mirror boolean key To: LATEX-L@listserv.uni-heidelberg.de Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: List-Archive: X-GMX-Antispam: 0 (eXpurgate); Detail=5D7Q89H36p6sJLDpZh614Kjz2nt6F3tHy6GciwqDXRrUdacPLqx5DAzSurVLnHW2x3fJW ozvQBp9ZgPoYyF59h3UObOcc/YMNXg4PIpxZZ+ENcasVTqQWULGWYc1VR4Lw2ELIP0u0JD7J5Ipl OfXWlcXAyjK79NSJqbhiq4VTOstrXc+X0N8n7KgF95Qn4iyymbGB7gBu/A=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: 6832 I have a boolean key \keys_define:nn { chessfss } { sym .bool_set:N = \l_chessfss_sym_bool } Now I want to define a "mirrored" key no-sym so that "no-sym = true" sets \l_chessfss_sym_bool to false. Is there some easy way? -- Ulrike Fischer