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Re: Non-deterministic content model

> (a, b? | b?, a)

Since the above is the equivalent of ( a | ab | ba ),
you can write it as

(a,b?) | (b,a)

which is deterministic.

How about this?

> (a b)* a?

I think this cannot be written by the deterministic content model.

E-Mail: kohsukekawaguchi@yahoo.com