parse "gopher://null.host:0/K&\x14m\xf4\x94\xfb]\\D\x83\x8c\xc5\xe4',O\x84!|\xael\xe6\xbc\xe9L9T\x11\xa4\xe8\xe4@\xe4\xf3\x045\x05": net/url: invalid control character in URL