Ask the w3c scxml WG which XSLT processors they recommend using on their test suite
And regenerate error test/scxml-test-framework/test/w3c-ecma/test153.txml.scxml (issue #284 (closed))
And regenerate error test/scxml-test-framework/test/w3c-ecma/test153.txml.scxml (issue #284 (closed))