parse "gopher://null.host:0/\x1eQiܪ\x9cm\xef\b\xf0\xda\x17m$\xaf\u007f\xbf\aA\x0fnC\xc9\xff\xca\xef\xbe\x17a\x1az\xccf\x847-\xdd-\x8d": net/url: invalid control character in URL