Also, an aside -- I'm sure there's a reason why some people prefer
"string-length(.)!=0" to "string()" (or more robustly,
"normalize-space()")
-- but I've never been able to guess what it could be.
Slight unease, I think, at relying on implicit type conversion. It feels a
bit sneaky, like using 0 to mean false in C.
Michael Kay
http://www.saxonica.com/
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