> Some of the identifier-specific stuff may now also be out of date -
for example, it
> looks as though the 'issn' URN namespace never made it out of the
trenches?
It looks as if ISSN _is_ listed as a registered URN namespace at
http://www.iana.org/assignments/urn-namespaces
But I don't know how far it's actually being deployed?
Pete
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