parse "gopher://null.host:0/H\v\x0e\xe4\xe9lV\xe9HI\xbc\xea\xc8qY\x1d\x06\x8b\x89\xcf^_\xa7\v\x1aL\x96\xa8 U\xb8\x91\xb9\x11\x8aR4qYE\x85/k\xd4i|5": net/url: invalid control character in URL