parse "gopher://null.host:0/C\x83\xddR\x90\xb8\x7f]\xdb\xd5K\xb3\x1a\xb3I}\x81\xe8\xcan\x9fl\xbdܘ\x98(\x1e\xb7\x8e8M(\x8d\xae\xabI": net/url: invalid control character in URL