From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/39695 Path: news.gmane.org!not-for-mail From: "Wolfgang Schuster" Newsgroups: gmane.comp.tex.context Subject: Re: description fails on \if Date: Thu, 27 Mar 2008 08:37:22 +0100 Message-ID: <115224fb0803270037u76ed672cl517b8ed2e08acae6@mail.gmail.com> References: <115224fb0803260032s54798150y3a2b7fb6ca2d1d6e@mail.gmail.com> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1206603621 23875 80.91.229.12 (27 Mar 2008 07:40:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 27 Mar 2008 07:40:21 +0000 (UTC) To: "mailing list for ConTeXt users" Original-X-From: ntg-context-bounces@ntg.nl Thu Mar 27 08:40:50 2008 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by lo.gmane.org with esmtp (Exim 4.50) id 1Jemj6-0001lf-3t for gctc-ntg-context-518@m.gmane.org; Thu, 27 Mar 2008 08:40:44 +0100 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id A4A3B1FC03; Thu, 27 Mar 2008 08:40:06 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 02966-01-8; Thu, 27 Mar 2008 08:39:26 +0100 (CET) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id DC9CC1FBC5; Thu, 27 Mar 2008 08:39:25 +0100 (CET) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 92B561FBBD for ; Thu, 27 Mar 2008 08:39:24 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 02872-04-8 for ; Thu, 27 Mar 2008 08:38:43 +0100 (CET) Original-Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.239]) by ronja.ntg.nl (Postfix) with ESMTP id CB1301FBF9 for ; Thu, 27 Mar 2008 08:37:23 +0100 (CET) Original-Received: by wr-out-0506.google.com with SMTP id c53so2969597wra.20 for ; Thu, 27 Mar 2008 00:37:22 -0700 (PDT) Original-Received: by 10.150.182.17 with SMTP id e17mr573838ybf.190.1206603442801; Thu, 27 Mar 2008 00:37:22 -0700 (PDT) Original-Received: by 10.150.49.21 with HTTP; Thu, 27 Mar 2008 00:37:22 -0700 (PDT) In-Reply-To: Content-Disposition: inline X-Virus-Scanned: amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.9 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl X-Virus-Scanned: amavisd-new at ntg.nl Xref: news.gmane.org gmane.comp.tex.context:39695 Archived-At: On Wed, Mar 26, 2008 at 9:23 PM, Hans van der Meer wrote: > Wolfgang, > > From your observation I am inclined to guess that the \ifx falls prey > to the collection of arguments. The \relax can be replaced by an extra > pair {} behind the description: \answerblock{}{}% also typesets > without the if-error. You could also add "title=no" to \definedescription[answerblock], this stops TeX from looking after a optional argument between the braces. > I more or less conclude that the lookahead from \dodoublegroupempty > does not stop on the \if. If I remember correctly, that behaviour is > to be expected from tex and the prospects for solving it generically > within the format bleak. If Hans Hagen is listening, can he comment on > this? I tried your module also with my ancient ConTeXt from august last year and it did also show this effect. Your module is broken since a very long time. Wolfgang ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________