parse "gopher://null.host:0/îO\xe8뉲\x8a\xf7\\?\xb1h)5۲u\xb9ќ\xa7\xa19\xc4~^\xfb\x04\xd8\xcf\x1c\xf8\xf6y\xf8\xdbcw\xbcl": net/url: invalid control character in URL