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RE: [xml-dev] Ambiguous Content Model

Hi all.

I have been lurking for a while, but this is my first post. I appologize in
advance for any etiquite violations!

It appears to me that (A,B)*, A? isn't impossible. Wouldn't this lead to the
following list of possible child elements?

	(no children)
	A, B
	A, B, A
	A, B, A, B
	A, B, A, B, A

This pattern is specified by (A,B)* | (A, (B, A)*). 

-----Original Message-----
From: Kohsuke KAWAGUCHI [mailto:kohsukekawaguchi@yahoo.com]
Sent: Friday, September 28, 2001 7:27 PM
To: xml-dev@lists.xml.org
Subject: Re: [xml-dev] Ambiguous Content Model

> >      Niiice! You da man Rick. Back to logic class for me. :-) World o'
> > thanks.
> I think Marcus Carr mentioned a difficult one:  ( A, B)*, A?

I thought it was me but anyway, this is not a difficult one; this is an
impossible one.