fmt.Println(mime.QEncoding.Encode("ISO-8859-1", "Caf\xE9"))
	// Output:
	// =?utf-8?q?=C2=A1Hola,_se=C3=B1or!?=
	// Hello!
	// =?UTF-8?b?wqFIb2xhLCBzZcOxb3Ih?=
	// =?ISO-8859-1?q?Caf=E9?=
}

func ExampleWordDecoder_Decode() {
	dec := new(mime.WordDecoder)
	header, err := dec.Decode("=?utf-8?q?=C2=A1Hola,_se=C3=B1or!?=")
	if err != nil {
		panic(err)
	}
	fmt.Println(header)