def METHOD_NAME(self):
    """Options should be normalized from both dashed-case or snake_case (legacy)"""
    conf = config.new({
        "markup": {
            "options": "no_intra_emphasis",  # Deliberately snake_case
            "flags": "",
            "allowed-elements": "",
            "allowed-attributes": ""
        }
    })
    renderer = html.Markup(conf.section("markup")).render
    self.assertEqual(renderer("foo_bar_baz"), '<p>foo_bar_baz</p>')
    conf.set("markup", "options", "no-intra-emphasis")  # dashed-case
    renderer = html.Markup(conf.section("markup")).render
    self.assertEqual(renderer("foo_bar_baz"), '<p>foo_bar_baz</p>')