RE: [ubl] Discussion of substitution groups

> If UBL were to drop the XSD derivation
> (it entailing essentially the use of
> substitution groups), and yet the global design were to 
> prevail in ATG2, where would that leave UBL? There would be a 
> global design to follow without the essential reason and 
> benefits wouldn't there? Both designs would then surely have 
> lost their respective advantages wouldn't they?

Sorry Stephen - we NEVER put the advantages of XSD derivation on the
table when discussing global/local.