RE: Substitution Groups Reconsidered

>  Since we own and maintain the whole SAML schema 
> ourselves, and 
> since we will turn off the ability of extension schemas to 
> have this type 
> of control (with the "block" attribute), 

I don't agree that we will do that. It would be a major 
catastrophe.

If such an arbitrary decision was taken it would seriously
an negatively affect VeriSign's interest in SAML.

		Phill