parse "gopher://null.host:0/ü\xc8\x1e$A\xac\x83\xc7,\x1c\xb5\xd4\xf6\x854\x82\xf0p\x00\xb8\x8b\x9d\xd5m\xd5B/\xe6\xb3\x1a\x84\x93\x06ަ\x0e\a \xecM": net/url: invalid control character in URL