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RE: TREX update

• From: Jonathan Borden <jborden@m...>
• To: James Clark <jjc@j...>, XML Developers' List <xml-dev@l...>
• Date: Mon, 15 Jan 2001 01:57:50 -0500

Looks good.

I've modified the XHTML Basic TREX schema to create a RDDL schema and added
this to the resource directory at http://www.rddl.org/

For reasons unknown to me when I tried to generate TREX  from the XHTML
Basic RELAX schema modules, many caused Saxon to choke...

So at this point we have RDDL Schemata for:

DTD, RDFS, RELAX, TREX ... and still waiting for an XSD XHTML
implementation...

-Jonathan


>
>
> I've updated the TREX website
>
>   http://www.thaiopensource.com/trex/
>
> The only change to the language is that I've refined the way it handles
> merging included grammars. See
>
>   http://www.thaiopensource.com/trex/tutorial.html#Merging_grammars
>
> for more information.
>
> I've also done a complete implementation of XHTML modularization in
> TREX.  See
>
>  http://www.thaiopensource.com/trex/xhtml/
>
> This has been done by hand not automatically, so there are probably
> bugs, but it takes full advantage of TREX.  Notably, with TREX there's
> no need to create a model module specific to the combination of modules
> you are using; you just have to include the modules you need.  I was
> also pleasantly surprised to discover that it was possible to implement
> exceptions in TREX (used in HTML 4 to, for example, prevent nested
> links), even though there's no specific exceptions feature in TREX. I've
> added an explanation of this technique to the tutorial:
>
>   http://www.thaiopensource.com/trex/tutorial.html#Concur
>
> The sample implementation has also been updated to match the language
> spec and fix some bugs.
>
> James
>

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