if msg == "" {
		fmt.Fprintln(Output, args...)
	}
	fmt.Fprintf(Output, msg, args...)
}

type errorMsg struct{}

var errorm errorMsg

func (i errorMsg) json(msg string, args ...interface{}) {
	var message string
	if msg != "" {
		message = fmt.Sprintf(msg, args...)
	} else {
		message = fmt.Sprint(args...)
	}
	logJSON, err := json.Marshal(&log.Entry{

	entry, ok := e.(log.Entry)
	if !ok {
		return fmt.Errorf("Uexpected log entry structure %#v", e)
	}
	if logger.IsJSON() {
		logJSON, err := json.Marshal(&entry)
		if err != nil {
			return err
		}
		fmt.Fprintln(c.output, string(logJSON))
		return nil
	}

	if entry.Level == logger.EventKind {
		fmt.Fprintln(c.output, entry.Message)
		return nil
	}