• From: "Christopher R. Maden" <crism@m...>
• To: xml-dev@l...
• Date: Sun, 24 Jun 2001 23:48:31 -0700

At 23:51 24-06-2001, Gary Stephenson wrote:
>What about this one? ( from test ibm45v01.xml )
>
>   <!ELEMENT unique. (b|(b,unique))>
>
>Is this non-deterministic?   Does it matter whether the element is actually
>instantiated within the document (which in this particular case it is not.)

Yes, this is non-deterministic.

The unique element must start with a b - but which b was it, and then is a 
unique required?  There's no way to tell, and thus this model must be rejected.

The equivalent model (b, unique?), is deterministic.

-Chris
-- 
Christopher R. Maden, XML Consultant
DTDs/schemas - conversion - ebooks - publishing - Web - B2B - training
<URL: http://crism.maden.org/consulting/ >
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    • From: Gary Stephenson <garys@i...>
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