text.append("@attribute " + Utils.quote(m_Name) + " ");
text.append(ARFF_ATTRIBUTE).append(" ").append(Utils.quote(m_Name)).append(" ");
  public final String toString() {        StringBuffer text = new StringBuffer();        text.append("@attribute " + Utils.quote(m_Name) + " ");    switch (m_Type) {    case NOMINAL:      text.append('{');      Enumeration enum = enumerateValues();      while (enum.hasMoreElements()) {	text.append(Utils.quote((String) enum.nextElement()));	if (enum.hasMoreElements())	  text.append(',');      }      text.append('}');      break;    case NUMERIC:      text.append("numeric");      break;    case STRING:      text.append("string");      break;    case DATE:      text.append("date ").append(Utils.quote(m_DateFormat.toPattern()));      break;    default:      text.append("UNKNOWN");      break;    }    return text.toString();  }