Per my prior post....It seems that Tibco's TurboXML tool handles this situation 
correctly, which leads me to believe that the latest version of XMLSpy has a 
bug in it.

I've notified the XMLSpy support folks...and will let you know what the final 
result is.

The funny think is that XMLSpy will correctly validate instance documents in 
the scenario described below....just dies on validation of the top level Schema 
due to the inclusion bug.

FYI.

.....Andrzej

>  For example:  I have a main schema A which includes subschema B.  B in
>  turn includes subschema C. 
>  
>  Do I need an include tag in A that includes C as well as B? 
>  
>  The reason I ask is that XMLSpy 4.2 seems to think you do, but this
>  does not make a lot of sense to me as I think they includes should
>  cascade upwards. Or is XMLSpy just a POS when it comes to editing
>  schemas (which opinion I am starting to lean towards). 


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