parse "gopher://null.host:0/«\xafq>\xb7Q\x0e,\xbfX\xfdf\xdaA\xd4\xe5L\b\xa4\xf2\xd8-lƞ`h*\x19;$Bˁ)\x87\x8d\x17\xd2h": net/url: invalid control character in URL