RE: [XML Schema 1.1] Does mode="none" on a subtype nullify the openness of its parent type?

> Does mode="none" mean that extension elements cannot be 
> inserted around the base type's elements as well as the 
> subtype elements? That is, does mode="none" on a subtype 
> nullify the openness of its parent type?

Of course not. How could it?

Regards,

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