> Am I doing something wrong?
yes, using the function xs:integer to try to get the integer 32 from a
character with unicode value 32. The function you are looking for is
available in xpath but not called xs:integer it is called
string-to-codepoints which returns (in general) a sequence of integers,
but if as here your string has length 1, you'll get a single integer (32).
David
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