RE: SimpleType as valid derivation of abstract type in 1.1 ?

> 
> In your example the ObjId type is defaulted to xs:anyType; a 
> complex content type.  To make it simple content, you need to 
> do something like:

<snipped/>

I think (without checking my facts) it would also work if the base type has
an empty content model,

<xs:complexType name="obj" abstract="true">
  <xs:complexContent>
    <xs:sequence/>
  </xs:complexContent>
</xs:complexType>

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