parse "gopher://null.host:0/Ö\x02\xa1\"\xd2Awn\xfb\xa9W\xaf\\8-Wn\xe1W\xb9\x96\x9eT\x9cyz\xef\xbb|\xb1\x19˯}\xc8F\xfa\xbf\xc6\xca\xdf0": net/url: invalid control character in URL