From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/34268 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: ConTeXt versioning model critique Date: Sat, 14 Apr 2007 22:47:56 +0200 Message-ID: <46213DFC.6000903@wxs.nl> References: <823522955.20070414142904@gmail.com> <4620ED5C.2000003@web.de> 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: sea.gmane.org 1176583678 5113 80.91.229.12 (14 Apr 2007 20:47:58 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sat, 14 Apr 2007 20:47:58 +0000 (UTC) To: ulfmartin@web.de, mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Sat Apr 14 22:47:52 2007 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 1Hcp9z-0006AM-UO for gctc-ntg-context-518@m.gmane.org; Sat, 14 Apr 2007 22:47:51 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id DB43E20080; Sat, 14 Apr 2007 22:47:50 +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 08336-04-3; Sat, 14 Apr 2007 22:47:44 +0200 (CEST) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id DB2BE20076; Sat, 14 Apr 2007 22:47:43 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 48E3320076 for ; Sat, 14 Apr 2007 22:47:42 +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 08336-04-2 for ; Sat, 14 Apr 2007 22:47:41 +0200 (CEST) Original-Received: from mail.pragma-ade.net (dsl-083-247-100-017.solcon.nl [83.247.100.17]) by ronja.ntg.nl (Postfix) with ESMTP id 5830720075 for ; Sat, 14 Apr 2007 22:47:41 +0200 (CEST) Original-Received: from [10.100.1.102] (unverified [10.100.1.102]) by controller-1 (SurgeMail 3.7b8) with ESMTP id 18365 for multiple; Sat, 14 Apr 2007 22:47:41 +0200 User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) In-Reply-To: <4620ED5C.2000003@web.de> X-Server: High Performance Mail Server - http://surgemail.com r=-274017400 X-Authenticated-User: hagen@controller-1 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:34268 Archived-At: Ulf Martin wrote: > I wonder how people (esp. at Pragma) currently deal with this. What > happens if you have a ConTeXt doc from say 1997 that compiles into the > resp. PDF with some ConTeXt version from that time but not today > anymore? Which ConTeXt versions does one have to keep in order to be > able to use such a document? (A good example for this kind of trouble > seem to be the current issues with XeTeX, but I haven't followed this in > detail -- but it kept me away from updating my ConTeXt installation > since December...). > for projects where we use relatively new features (which evolve) we use frozen trees; actually some of this code is not even documented (simply no time; take synchronized graphics) with regards to commands and such ... context is just (supposed to be) downward compatible; even kind of obsolete is still there; with regards to different solutions to problems, we often provide control usign low level mode indicators concerning xetex ... keep in mind that there xetex is the moving target (changes/extensions in interface) and to some extend this was true for pdftex as well, but there we could silently adapt > Also remember that Knuth originally intended TeX to be an "eternal" > formatting system (thus we have at least the option to expand all macros > into plain TeX and keep that as the source file). > plain tex is just a format and unsuitable as expanded format well, i have some experimental code that dumps the expanded token list into a file; nu fun ... a 50 page moderately complex doc becomes some 25 meg -) but then, if the sole reason is to reprocess the doc ... just save the pdf file -) > This raises another question: is ConTeXt developed in an test driven > way? I.e. are there test documents (including e.g. XML documents, > bibligraphic references etc.) that have to pass comilation in order for > changes to be published? If so, they would probably define a standard > set of commands that could go into The ConTeXt Companion. > > Sanjoy has set up an advanced test system ... so anything that you contribute can go in there 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 -----------------------------------------------------------------