def register_markup_language(name, parse_function):
    _markup_language_registry[name.lower()] = parse_function
Setting rport to True is deprecated, but still produces a Via header
dataset/ETHPy150Open CollabQ/CollabQ/vendor/epydoc/markup/__init__.py/register_markup_language--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_sip.py/ViaTestCase.test_deprecatedRPort