document vs non-document entity (was Re: CORBA's not boring yet. / XML in an OS?)

[James Tauber]

One (serious) issue that imediately arises out of my XML überdocument system
is that there is a difference in XML between the document entity and other
entities: the existence of the prolog.

If an XML document has a empty prolog, there is no problem because an XML
document entity with an empty prolog is a legal external parsed entity.
However, the moment you have an XML declaration or document type
declaration, the entity can no longer act as an external parsed entity.

James
--
James Tauber / jtauber at jtauber.com / www.jtauber.com
Associate Researcher, Electronic Commerce Network
Curtin University of Technology, Perth, Western Australia

Maintainer of : www.xmlinfo.com,  www.xmlsoftware.com and www.schema.net




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