>
> The concept you are looking for is "higher-order functions", available in
> many functional programming languages. The concept is consistent with the
> XPath conceptual model, but disagreeable to those who want the language to
> stop short of being a general purpose programming language.

Well, 'those people' have nothing to complain about, since introducing
higher order functions hardly makes XPath computationally complete or
general purpose ;)

Christian



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