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John Cowan <jcowan@reutershealth.com> writes:
> Bullard, Claude L (Len) scripsit:
>
> > The problem of the Universal Identifier concept is that
> > it assumes the web is the universe and vice versa. It
> > builds unreliability into the system. Definitions that
> > include the term 'universal information space' are silly.
>
> IMHO it would have been better to decree that in XML the public id,
> rather than the system id, must be a URI.
FPIs have much richer structure than typical URIs, certainly URLs:
language, encoding and file type (DTD, ENT, DOC, etc.). All these are
available in MIME headers, XML declarations, xml:lang headers... When
you GET the entity over HTTP and the author used xml:lang.
Ari.
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