This is the shared functions part of the validation rule set accompanying the FpML 4.8 Trial Recommendation.
This section introduces functions as a mechanism to define repeatable tests that are applied independent of a context. Functions take node-element types as parameters and return a typed result.
default element namespace = http://www.fpml.org/2010/FpML-4-8
namespace xsd = http://www.w3.org/2001/XMLSchema