parse "gopher://null.host:0/©\xce\xd4\xd3$\xaf\xc47\x8f\xa5\xadW-\xad\xba\xbaΓ\xccG\x8d\xf2C\xb7M\x92\xcaNߡ7\xb6\x10 \xf6,\xa6z\xfb)\xa3": net/url: invalid control character in URL