var name string
	switch s {
	default:
		name = "unrecognized"
	case Small:
		name = "small"
	case Large:
		name = "large"
	}
	return []byte(name), nil
}

func Example_textMarshalXML() {
	blob := `
	<sizes>
		<size>small</size>
		<size>regular</size>
		<size>large</size>
		<size>unrecognized</size>
		<size>small</size>
		<size>normal</size>
		<size>small</size>