Duplicate @binding, @address on endpoint

Gurus,

Two questions.
1) Is it a valid use-case [even if its possible to model] to have a
WSDL 2.0document that has two endpoints that possess identical values
for "binding"
and "address" attributes [but with different names] ? If not, we could have
an "SHOULD" assertion that covers this.

2) Is it possible for the User to model WSDL 2.0 documents that are not WS-I
BP compliant ?
   If so, does it make sense for the Validator to emit warnings on
incompatibility ?

I am interested in knowing your thoughts on these points.

rgds,
Ram

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