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David Tolpin <dvd@davidashen.net> writes:
> > I'm having a blackout. Is (para+|(para*, summary)) deterministic?
>
> No, it is not.
>
> > What I want is at least one element, at most one summary, and if a
> > summary appears, it should be the last element.
>
> (para*,(para|summary))
Hm, how would <para/><para/><para/> match this? The three paras would
match "para*", and then there would be nothing to satisfy
"para|summary".
Is (a*, a) satisfiable at all? It reads as "forever and one day".
Ari.
--
Elections only count as free and trials as fair if you can lose
money betting on the outcome.
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