parse "gopher://-\x06L2\xa2pA4(/?%25EF%25BF%25BD%251C%25EF%25BF%25BDf%25EF%25BF%25BD%25EF%25BF%25BD%250B%25EF%25BF%25BD%25EF%25BF%25BD%251Dr%3D%25EF%25BF%25BD%25EF%25BF%25BD%25EF%25BF%25BD%2540R-u%25EF%25BF%25BD%25EF%25BF%25BD%25EF%25BF%25BD%2503P%25EF%25BF%25BD%25EF%25BF%25BD%25EF%25BF%25BDc%25EF%25BF%25BD%25EF%25BF%25BD%2503%25EF%25BF%25BD": net/url: invalid control character in URL