parse "gopher://null.host:0/W\xc6N\x0eˁnr\xe7\v)\xa6\xef?\xe1\xd7kU\x1e8z\x9a\x02\xd4\x1a\xac\x15\xf6\x12\xc1\xd8\xfb<\xdd\xf2w\xd5": net/url: invalid control character in URL