parse "gopher://null.host:0/¥\xfc\xb3p\x14\xb5\xd6ť\x9b3\x97j8{\xb1\x7f\x1fN\xf5\xb8\xa7\x14}:en\x8c\x9f]\x03\x1fA\x15Ҧ ": net/url: invalid control character in URL