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You are correct, my brain short circuted, and equated (a b) with (a|b) Derek Denny-Brown > -----Original Message----- > From: Kohsuke KAWAGUCHI [mailto:kohsukekawaguchi@y...] > Sent: Wednesday, June 13, 2001 1:51 PM > To: Derek Denny-Brown > Cc: Murali Mani; Steve Rosenberry; xml-dev@l... > Subject: Re: Non-deterministic content model > > > > > > How about this? > > > > > > > (a b)* a? > > > > > > > That is equivalent to > > (a b)* > > No. "(a,b)*,a?" can accept "a", but (a,b)* can not. They are > different. > > > regards, > ---------------------- > K.Kawaguchi > E-Mail: kohsukekawaguchi@y... > >
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