+ "\t\"nominal\", \"numeric\", and \"string\". \n"
+ "\t\"nominal\", \"numeric\", \"date\", and \"string\". \n"
  public Enumeration listOptions() {    Vector newVector = new Vector(1);    newVector.addElement(new Option(              "\tSpecify the attribute type to delete. Valid values are:\n"	      + "\t\"nominal\", \"numeric\", and \"string\". \n"              + "(default \"string\")",              "T", 1, "-T <type>"));    return newVector.elements();  }