parse "gopher://null.host:0/C2XvASqx\xa7)c\xbe\xc3\xe43=fY\x9c \x9bǹ\x90`멆bpε^;\x83\xf0o\xb3\x87\xda3hx?gC\xbb7wr3f\x16\x15": net/url: invalid control character in URL