parse "gopher://\x99g\xdeEY6Q\xc70\xdb\r\u007f\x88\x15\xf8\bA\x01\x88\xb0\x93\x1f\xfeN\xfd\xcf\xfdî\x1eS,\xab\xf5\x05\xf3/": net/url: invalid control character in URL