Re: Schemas and entities (was "And the DTD says, "I'm NOT dead yet!!")

[ht@cogsci.ed.ac.uk (Henry S. Thompson)]

David Carlisle <davidc@nag.co.uk> writes:

> > You're making things _much_ too complicated.
> 
> agreed, but a small comment on:
> 
> >    a) create an instance per XML 1.0 plus Namespaces, with entity
> >       definitions in the internal or external subset, but nothing else
> >       (i.e. no ELEMENT or ATTRIBUTE declarations);
> >    b) process with any conformant XML processor (if entities are all
> >       defined in internal subset) or with any validating XML processor (if
> >       any entities are defined in external subset);
> >    c) process with a schema-aware processor.
> 
> If in a) if you only make the entity declarations, and they are in an
> external subset, then in b) don't you need a non-validating XML
> processor that reads external subsets.

You're right that that's sufficient in that case.  I've taken to
calling such processors "category three" processors, since there is no 
name for them in the REC.

> You suggest using a validating processor but that would generate errors
> as the document would be invalid, wouldn't it?

Nope.  No ELEMENT or ATTLIST == no errors.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2001, part-time member of W3C Team
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