From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id XAA18774; Wed, 8 Oct 2003 23:52:10 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id XAA27594 for ; Wed, 8 Oct 2003 23:52:09 +0200 (MET DST) Received: from pengo.systems.pipex.net (pengo.systems.pipex.net [62.241.160.193]) by concorde.inria.fr (8.11.1/8.11.1) with ESMTP id h98Lq8125594 for ; Wed, 8 Oct 2003 23:52:08 +0200 (MET DST) Received: from Cynewulf.jollys.org (81-86-211-188.dsl.pipex.com [81.86.211.188]) by pengo.systems.pipex.net (Postfix) with ESMTP id A573C4C00454 for ; Wed, 8 Oct 2003 22:52:06 +0100 (BST) Message-Id: <6.0.0.22.0.20031008225052.0276a258@mail.purplecloud.net> X-Sender: peter@mail.purplecloud.net X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Wed, 08 Oct 2003 22:54:19 +0100 To: caml-list@inria.fr From: Peter Jolly Subject: Re: [Caml-list] extending a type with Marshal In-Reply-To: <20031008212257.19628.qmail@web40606.mail.yahoo.com> References: <20031008212257.19628.qmail@web40606.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Loop: caml-list@inria.fr X-Spam: no; 0.00; caml-list:01 deployed:01 extensible:01 marshal:01 precisely:02 backward:02 conversely:03 data:03 type:07 problem:07 solve:07 reasonable:09 compatible:09 xml:10 isn't:11 Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk >It is reasonable to want to add capabilities to, say, a web server, in >a backward compatible way so that, say, a legacy content server can >still be used. Later a new content server can be deployed that >responds to the new capabilities. Conversely, we might want to augment >the content server with additional information that will later be used >by an upgraded web server. Isn't this precisely the sort of problem that extensible data interchange formats such as XML are intended to solve? ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners