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Re: XPath optional node question
me> bar[ancestor::foo and ancester::*[self::foo or descendent::foo or
me> self::a or self::b]]
as previously mentioned that fails if there are extra foo in the
tree, but I think
bar[ancestor::*[not(self::a) or not(self::b)][1][self::foo]]
meets the spec: the first ancestor that isn't a or b is foo.
or, going the other way:
foo[descendent::*[not(self::a) or not(self::b)][1][self::bar]]
foo such that the first descendent that isn't a or b is bar.
David
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