RE: /WD-xpath-datamodel-20030502/

> From section 5.
> quote.
> The value space of the atomic values is the union of the 
> value spaces of the nineteen primitive XML Schema types. unquote.
> 
> Does this imply that no types (or at least atomic types) from 
> any other source are valid within this data model? 
> 
> Is this lockout for anything other than XML schema types or 
> some direct derivation?
> 
> Or more specifically, lockin to XML schema types?
> 

We have added statements in the XPath and XSLT specifications saying that
the set of types may be extended by implementors, I think the Data Model
document probably needs to say something to reflect this.

Michael Kay