I second this suggestion. In fact, I even wrote an article about it at
http://msdn.microsoft.com/library/en-us/dnxml/html/schematron.asp

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> -----Original Message-----
> From: David Carver [mailto:d_a_carver@y...] 
> Sent: Friday, March 04, 2005 1:02 PM
> To: Andrew Jeavons
> Cc: xml-dev@l...
> Subject: Re: [xml-dev] Schema, BNF and parsing
> 
> 
> > It is doing checks that can't be easily described in the 
> schema, which 
> > is what worries me...
> >
> If you have business logic checks that have to be done, then 
> you might look at a combination of W3C Schema/RelaxNG and 
> Schematron.  Schematron would handle the business validation, 
> and the W3C Schema or RelaxNG can handle the Element 
> attribute requirements.
> 
> Just a suggestion.
> 
> 
> 
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