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Re: Schema Evolution

• To: "Klotz, Leigh" <Leigh.Klotz@p...>
• Subject: Re: Schema Evolution
• From: Elliotte Harold <elharo@m...>
• Date: Wed, 27 Oct 2004 08:28:34 -0400
• Cc: 'Andrew Wheeler' <akwheel99@h...>, "'xml-dev@l...'" <xml-dev@l...>
• In-reply-to: <0ED0D6D8F7234E44B40AF1110A966BC4CBDCE9@m...>
• References: <0ED0D6D8F7234E44B40AF1110A966BC4CBDCE9@m...>
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Klotz, Leigh wrote:


> I think it really *ought* to be easy to define a language that allows
> extensions from other namespaces, specifies where they are allowed, and
> maybe even lets you (the Schema author) say something about the extensions
> as substitution groups do, but without having to dance through the
> minefields of optional elements and sequence limitations.  In my non-Xerox
> time I am trying to help design a language that allows for future
> extensibility, and finding the tools still a bit blunt (http://xdif.org).


Have you considered RELAX NG? It tries to do most of this. If it fails, 
where does it fail?

-- 
Elliotte Rusty Harold  elharo@m...
XML in a Nutshell 3rd Edition Just Published!
http://www.cafeconleche.org/books/xian3/
http://www.amazon.com/exec/obidos/ISBN=0596007647/cafeaulaitA/ref=nosim

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  • RE: Schema Evolution
    • From: "Klotz, Leigh" <Leigh.Klotz@p...>

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