parse "gopher://null.host:0/ê쿯\x9a\x00\xff}\xe3\xe2d\xfb}oy!~\xbfo\xe7x\xeb~\xdf\xe9g\uf672&\xd3\x1f\xb7\xbdv@\x11\xaf\xd2.\xa3§R\xe2": net/url: invalid control character in URL