parse "gopher://null.host:0/»~\x9f\x88\xe3\\&|ݼҫK7X\xeb\x0euE\x8f`n~Ď*̙4\x96g\xc2oڎ\b7\x9d\xe9\xd7DzXA\v\xee\xe4eLD\xfc\x16\xa9": net/url: invalid control character in URL