From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/48401 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: What does "\c!" means? Date: Sun, 15 Mar 2009 17:01:41 +0100 Message-ID: <49BD2665.8070001@wxs.nl> References: <436358128.01995@zju.edu.cn> <6faad9f00903090800v44877263te205e056cb28d282@mail.gmail.com> <49B5363D.4060700@elvenkind.com> <49B93AA0.1010200@gmail.com> <49B95496.3060407@elvenkind.com> <49B9B3BF.5070804@gmail.com> <49BA14BA.1000609@elvenkind.com> <49BA34FB.1030202@gmail.com> <49BA9830.2030208@elvenkind.com> <49BB3351.3020700@gmail.com> <326847810903140022m4ebbfe0pee1662766a315555@mail.gmail.com> <49BB5C01.7040703@elvenkind.com> <49BD1B85.2080009@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"; Format="flowed" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1237132976 27341 80.91.229.12 (15 Mar 2009 16:02:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 15 Mar 2009 16:02:56 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Sun Mar 15 17:04:13 2009 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 1Lisop-0006Je-LZ for gctc-ntg-context-518@m.gmane.org; Sun, 15 Mar 2009 17:04:07 +0100 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id D76F01FB3C; Sun, 15 Mar 2009 17:02:41 +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 04446-04; Sun, 15 Mar 2009 17:02:00 +0100 (CET) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id E01F51FA41; Sun, 15 Mar 2009 17:01:59 +0100 (CET) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 99D081FA41 for ; Sun, 15 Mar 2009 17:01:58 +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 10589-03-2 for ; Sun, 15 Mar 2009 17:01:47 +0100 (CET) Original-Received: from filter3-nij.mf.surf.net (filter3-nij.mf.surf.net [195.169.124.154]) by ronja.ntg.nl (Postfix) with ESMTP id 654411FA2B for ; Sun, 15 Mar 2009 17:01:47 +0100 (CET) Original-Received: from mail.pragma-ade.net (dsl-083-247-100-017.solcon.nl [83.247.100.17]) by filter3-nij.mf.surf.net (8.13.8/8.13.8/Debian-3) with ESMTP id n2FG1kOs025343 for ; Sun, 15 Mar 2009 17:01:46 +0100 Original-Received: from [10.100.1.100] (unverified [10.100.1.100]) by controller-1 (SurgeMail 3.9e) with ESMTP id 19725-1840426 for ; Sun, 15 Mar 2009 17:01:46 +0100 User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) In-Reply-To: <49BD1B85.2080009@gmail.com> X-Originating-IP: 10.100.1.100 X-Authenticated-User: hagen@controller-1 X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=83.247.100.17; country=NL; region=16; city=Dronten; latitude=52.5333; longitude=5.7167; http://maps.google.com/maps?q=52.5333,5.7167&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 193792799 - b378f2117a10 X-Scanned-By: CanIt (www . roaringpenguin . com) on 195.169.124.154 X-Virus-Scanned: amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.11 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:48401 Archived-At: Wei-Wei Guo wrote: > Hi Taco, > > I just finished reading the 'System_Macros'. I still don't get the meaning > of '\??pb @lang@' in the following codes: > > \def\lang#1% > {\def\biblanguage{#1}% > \ifcsname \??pb @lang@#1\endcsname > \expanded{\mainlanguage[\getvalue{\??pb @lang@#1}]}% > \expanded{\language[\getvalue{\??pb @lang@#1}]}% > \fi \ignorespaces} > > In \lang[zh], for example, '\??pb @lang@' will be expanded to \@@pblangen, > will it? Is \??pb a command? Is '\??pb @lang@' a command? Why can there be > a whitespace in '\??pb @lang@'? \??pb creates a namespace so you cannot mess with it in your document easily \??pb is just a macro and the ?? makes it kind of private (hidden) there has to be a whitespace otherwise you'd call for \??pb@lang@ > Sorry for some many questions. I'm so confused and don't know what to > search in wiki, manuals, etc.. this is not stuff most users want to know or see; add a few \expandafter's, \futurelet's and \afterassignments and one wonders in what universe one has ended up Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl ----------------------------------------------------------------- ___________________________________________________________________________________ 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 ___________________________________________________________________________________