parse "gopher://:0/\u0089R\rl\x10\xb7\xab\xa2ݾ\aK͐\xa4\xcd\b\xd6,\b.F\x8d\x99\x17k\xa9\xad\xe8\xe6\xc3і\xccw\xe1": net/url: invalid control character in URL