c14nEquals
Compare two XML documents semantically (ignoring formatting differences) by comparing their canonical forms. See Chapter 22.
xml1(required): first XML UDM valuexml2(required): second XML UDM value
utlx
{
match: c14nEquals($input.expected, $input.actual),
status: if (c14nEquals($input.expected, $input.actual)) "PASS" else "FAIL"
}