parse "gopher://null.host:0/I{5n_\xe5\xe5NjJ\xe2{\xf3\x11\x88{\xee7\x99\x88\x94\xea\x88\x1bЩ!\x05JD\x87\a\x85Bl\x83!\x8e\xfc": net/url: invalid control character in URL