- Use new initial states in tests according to: https://github.com/html5lib/html5lib-tests/pull/101 - Implement tokenization errors introduced in: https://github.com/whatwg/html/pull/2701 https://github.com/html5lib/html5lib-tests/pull/92
In addition to the detailed reason message parse errors have an error-code property that is specified in the WHATWG HTML spec.