Re: union of a union legal?

Can definitions of union types in schema _documents_
include references to itself? I think not. Does the
spec address it somewhere? Thanks.

Li

>This is correct.  Definitions of union types in
schema _documents_ may
>include references to other union type definitions in
the value of
>their 'memberTypes' attribute; simple type definition
_components_ of
>variety union may include only atomic and list type
definition
>_components_ in their [member type definitions]
property.


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