>>>>> "Colin" == Colin Paul Adams <colin@xxxxxxxxxxxxxxxxxx> writes:

    Colin> You caught a bug in Gestalt - I had implemented
    Colin> xs:dateTime() as fn:dateTime() - corrected now.

Actually, that wasn't the bug (there are TWO constructors - one in
each namespace). It was far simpler than that. Only the
single-argument version of function-available was returning false (due
to a typo). The two-argument form was returning true.
-- 
Colin Adams
Preston Lancashire