parse "gopher://null.host:0/ñ.^.\xc4i&k\xda\x03Y\x06\x90\\\U000a6b56\xc4\xe2`\xf9\xba\x9b\"\\lޮ\x1a*u\x8b\x94걙)\x15\xabP\xea@\x16*\x15": net/url: invalid control character in URL