RE: [xml-dev] Will the next version of XML Schema have a schema-for-schemas that is standalone (no English prose needed to describe constraints in the language)?

> As I understand it, the next version of XML Schemas will 
> provide a way to express co-constraints.  So, in the next 
> version of XML Schemas will the schema-for-schemas be 
> expressible entirely using the XML Schema language? 

No, there will still be some rules for schema validity that can't be
conveniently expressed within the language, for example the rules governing
the syntax of XPath expressions.

Michael Kay
http://www.saxonica.com/