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RE: Deterministic content models???

• To: "'John Cowan'" <jcowan@r...>, Doug Rudder <drudder@d...>
• Subject: RE: Deterministic content models???
• From: Doug Rudder <drudder@d...>
• Date: Wed, 7 Aug 2002 10:54:28 -0500
• Cc: andy@e..., robin.lafontaine@d..., xml-dev@l...

>John Cowan scripsit:

> > <!ENTITY % paracontent "(%text; | %list; | (table , tabnote*) |
figure)+" >
> 
> > This works fine in SGML.  XML does not like it.  For XML versions of the
> > DTD, we had to take the parens out and change the , to |.  

> I am willing to bet that "%text;" expands to some choice of elements and
> #PCDATA, and XML can only cope with #PCDATA in the very limited frame
> "(#PCDATA | element1 | element2 ...)", no extra parens or commas allowed.

Exactly.  But I can see where someone with an SGML DTD background (like me,
for instance) might initially try use this construct out of habit in an XML
DTD -- until of course it fails to validate in XML and requires debugging.
:)

_______________________________________
Doug Rudder		drudder@d...

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