Issue - 289 - draft text to describe the relationship XML Schemaand Spec

Hi all,

Here is the draft text to describe the relationship XML Schema and Spec
(so far ...)
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XML Schemas are normative artifacts derived from the normative 
descriptive text in the specification. XML Schemas only enforce a subset 
of constraints described in the normative descriptive text. Hence, a 
WS-BPEL artifact, such as a process definition, can be valid according 
to the XML Schemas but not valid by the normative specification text. 
When there is a conflict between XML schemas and the normative 
descriptive text, the normative descriptive text will take precedence 
over XML Schemas.
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Regards,
Alex Yiu