parse "gopher://null.host:0/á\b\a\xcc\xc1\x89\xc1\x93\x183M5-\xdc\xe8y,N\xb3>\x9a<[~ل\xfa\xfdB\xb6\x81\x8e\xf0\xd3\x12\x80\xa4": net/url: invalid control character in URL