[plt-scheme] How to load xml.ss?

Bradd W. Szonye writes:
 > You use (require (lib "xml.ss" "xml")) -- you need to specify which
 > collection the .ss lives in if it's not in "mzlib."

You may actually need `(require (all-except (lib "xml.ss" "xml") pi))'
because `pi' is already defined in `(lib "math.ss")'.  (The `pi' in
the XML collection is a processing-instruction structure, and probably
not too useful to the average XML collection user.)

--dougo at place.org