parse "gopher://null.host:0/\x13\x98\xf9\xaa\xfej\x13J\xbdf\x01 0S\xcd\f:_G]\x0f\x1a\xf2\xbapKܠ\x9f\x03\xeb\xe2w\xbb_G\xd8\xc6FT\xb9e\x9b": net/url: invalid control character in URL