parse "gopher://null.host:0/Þ\xbfݝc\xc3\xedȖ~h\x94V(\xb3J7(f\x19(\xa3\xbf\xa3\xaeC70B\x885\xb2{a\xe4*\xa9\f:=\x12_\xa01J7kf\xfa\xcb\xe1\xc9q\xfb": net/url: invalid control character in URL