Misha,
the use of qualifiers and substructure in DC elements will not replace
the unstructured use of the DC set. We have from the beginning
expected at least two distinct modes of deployment:
Unstructured free text in elements (RFC #1 is intended to provide
sufficient technical detail to implement this approach).
Scheme-qualified elements (possibly with subtypes) that afford
more complex implementations (RFC #2 is expected to provide a guide
to implement this approach).
Your remarks about character set restrictions seem right on.
thanks
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