From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/39845 Path: news.gmane.org!not-for-mail From: Peter =?utf-8?Q?M=C3=BCnster?= Newsgroups: gmane.comp.tex.context Subject: Re: luatex feature question/request Date: Fri, 4 Apr 2008 21:26:59 +0200 Message-ID: <20080404192659.GA5994@gaston.couberia.bzh> References: <20080404050924.GA21356@atos.labs.wmid.amu.edu.pl> <47F5DDDF.9040304@wxs.nl> <47F5E7D3.407@elvenkind.com> <47F5EC67.9020903@elvenkind.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 1207337835 10010 80.91.229.12 (4 Apr 2008 19:37:15 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 4 Apr 2008 19:37:15 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Fri Apr 04 21:37:46 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 1JhrjI-000077-Cp for gctc-ntg-context-518@m.gmane.org; Fri, 04 Apr 2008 21:37:40 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 62C9C1FB49; Fri, 4 Apr 2008 21:37:01 +0200 (CEST) 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 17291-01; Fri, 4 Apr 2008 21:36:22 +0200 (CEST) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 81B971FBAA; Fri, 4 Apr 2008 21:36:22 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id E7E541FBAA for ; Fri, 4 Apr 2008 21:36:20 +0200 (CEST) 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 16517-03-3 for ; Fri, 4 Apr 2008 21:35:47 +0200 (CEST) Original-Received: from smtp2a.orange.fr (smtp2a.orange.fr [80.12.242.140]) by ronja.ntg.nl (Postfix) with ESMTP id C67151FB60 for ; Fri, 4 Apr 2008 21:35:38 +0200 (CEST) Original-Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf2a22.orange.fr (SMTP Server) with ESMTP id 8CEF9700009E for ; Fri, 4 Apr 2008 21:35:38 +0200 (CEST) Original-Received: from gaston.couberia.bzh (ARennes-358-1-66-193.w90-54.abo.wanadoo.fr [90.54.9.193]) by mwinf2a22.orange.fr (SMTP Server) with ESMTP id 6206B7000098 for ; Fri, 4 Apr 2008 21:35:38 +0200 (CEST) X-ME-UUID: 20080404193538401.6206B7000098@mwinf2a22.orange.fr Original-Received: by gaston.couberia.bzh (Postfix, from userid 1000) id 7AB04301ED; Fri, 4 Apr 2008 21:26:59 +0200 (CEST) Mail-Followup-To: mailing list for ConTeXt users Content-Disposition: inline In-Reply-To: <47F5EC67.9020903@elvenkind.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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:39845 Archived-At: On Fri, Apr 04 2008, Taco Hoekwater wrote: > > % engine=luatex > > \startluacode > function add_ties (line) return line:gsub(' ','~') end > \stopluacode > > \def\startfiltered > {\ctxlua {callback.register('process_input_buffer', add_ties)}} > \def\stopfiltered > {\ctxlua {callback.register('process_input_buffer', nil)}} > > \starttext > \startfiltered > Thus, I came to the conclusion that the designer of a new system > must not only be the implementer and first large||scale user; the > designer should also write the first user manual. > \stopfiltered > \stoptext > > Notice how it breaks only at hyphens? If you think that is because > those are the only valid breakpoints, you are actually slightly wrong: > there are still 'normal' spaces between 'system' and 'must' and between > 'the' and 'designer' (because EOL is converted to a space *after* > reading in the line buffer). > > The lua function is _much_ too simple. It will happily convert '\ ' > into '\~', $a = 2~$ into $a~=~2~$, and "\TEX is" into "\TEX~is". Hello, Perhaps this one could be already useable for the OP: function add_ties(line) line = line:gsub('( %a) ', '%1~') line = line:gsub('^(%a) ', '%1~') line = line:gsub('( %a)$', '%1~%%') return line end Not working: $a = b + c$. Cheers, Peter -- http://pmrb.free.fr/contact/ ___________________________________________________________________________________ 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 ___________________________________________________________________________________