The RestructuredText documentation page for the enumeration. This is
        the only API member for the class.

def page_str(self):
        """
        The RestructuredText documentation page for the enumeration. This is
        the only API member for the class.
        """
        tmpl = '.. _%s:\n\n%s\n\n%s\n\n----\n\n%s'
        components = (
            self._ms_name, self._page_title, self._intro_text,
            self._member_defs
        )
        return tmpl % components