Re: current() - referring to top in nested predicates

> No, I wanted: "If the count of <B>s for the interval is zero, the
> interval is empty and I'm not interested;

what's the difference between "the count of B in the interval is zero"
and "the next element is a T not a B" it appears to be the same as far
as I can see, except the latter is easier to express in xpath.

David

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