xml-dev - Re: Improved writing -- who's going to pay for it?

[Miloslav Nic <nicmila@idoox.com>]

This is funny, an hour ago I was thinking about the possibility,
to create a strictly conforming subset of XML Schema, with different
namespace so the only change required for transfer to XML Schema 
would be the change of it :)

But I like facets. It took me some time to realize what they do, but
then  I like the concept. But of course I would not call them facets,
the name is a bit scary :). 

Give me a few basic types and a few facets an I can move the earth
(well, validate 
and specify more efficiently). 



  So I
> expect
> that someone will create a version of XML schemas using a different
> namespace and the same names, but simplified down to an XDR/RELAX Core
> level: Key constraints removed, simple type derivation removed, facets
> removed, include/ignore/redefine removed, complex type derivation
> removed,
> xsi:null removed, form/block/final/abstract removed.
> 
> A schema in this language could be converted into an XML Schema by
> changing the namespace. Documentation and specs for it could be pretty
> simple and easy to express, both informally and formally.  Of course,
> we already have XDR, SOX, RELAX core etc, so perhaps we don't need
> another DTD-in-XML+simple-datatyping  schema language...but it would
> certainly be possible and, I think, attractive.  Such a language
> could even serve as a training wheels version for XML Schemas.
> 
> I don't expect W3C to do this. But there is nothing stopping some
> firebrand on
> this list coming up with it (the XSLT transformation to XML Schema
> namespace would surely be trivial).  Then you can just ignore all the
> bits of XML Schemas you don't like.  (Indeed, it is possible that
> you could use redefine to even maintain the same namespace, but I
> don't think that is fair use, and would only muddy the waters.)
> 
> Rick Jelliffe

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