parse "gopher://null.host:0/MF>!\xaf\xfe\x87!\x80\xb4\x92\x12\x13\x13\x83\xee>;\xa1܆\x91\x8e\xbe\x1c\xed \xbd'*\x035lY\xf9z\xd6w!\xfd\x1f": net/url: invalid control character in URL