parse "gopher://null.host:0/r<\xd3xd\xe9@Sм.ރ\xf8\xf1\xe8\x01\xff\xd4\x0e\x8b\x1fn\xff\x1e\\;@f\xf5\xc5\xe51\xe3_\xae\x98": net/url: invalid control character in URL