parse "gopher://null.host:0/g^2\x10:\xb3\xb5E2_ҕ\x19\xd6R\xda\xe9\xb3Y\xb5Ŷ\xafl\xa2\x90\xc1\x9e\xde\xeeP\x9cOg;\xa4\xebͯ": net/url: invalid control character in URL