parse "gopher://null.host:0/¹\xe5\x9fe[\x1f\xd09\xfa\xfe\xa4\xc7ju\x98\xd1zæ\xe8Ұza\xd96\x81x(P\xcc)\x89\xf5\xaa\xda\xf7-": net/url: invalid control character in URL