parse "gopher://ݿ\xbe\xa0\xdb\xc0jUO\xb3L)\xe6\xde$\xba\xfc\x9b<\xcb\xddfEéC\xb3'A\xb2\xaf0*\xd1@R\xbc\xc2U\x00/": net/url: invalid control character in URL