[wss] xmlns:wsu="http://schemas.xmlsoap.org/ws/2002/xx/utility"

The 9/20/02 draft core specification makes use of XML schema elements
from the http://schemas.xmlsoap.org/ws/2002/xx/utility schema. This is
used in some rather fundamental ways, for example, the ID Schema
element in section 4.2. 

Can someone describe the IPR around the schema in this namespace. 

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  "Data without generalization is just gossip" Robert M. Pirsig