• From: Richard Tobin <richard@c...>
• To: elharo@m...
• Date: Thu, 27 Sep 2001 17:06:50 +0100 (BST)

>However, it's not clear what kind of error this is.

It's the "is an error" kind.

You're right that even validating parsers don't *have* to report it,
but it *is* an error.

RXP reports it.  Eg for <!ELEMENT foo (A?, A?)>:

 Warning: Content model for foo is not deterministic.   At start of content
 there are multiple choices when the next element is A.

I would be interested to know whether the validating parsers that
don't report an error correctly check the content of the corresponding
elements.  They won't if they just build a finite-state machine in the
straightforward way.

-- Richard

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