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> I just had an example where writing > select="output" instead of select="outputs/output" had cost > me two full days :-\. > I think that catching what I call "void path expressions" is one of the big potential advantages of binding a stylesheet to a schema. Unfortunately, while a lot of the type inferencing machinery is in place to do it, the last few links in the chain aren't there yet. In particular, it can only work in a template rule that is associated firmly with a schema type. So long as you are allowed to construct non-valid temporary trees and then process them using the same template rules as you use for the source document, there's no way of knowing statically what path expressions are guaranteed to be void. Michael Kay
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