"\tThe size of the cache (a prime number).\n"
"\tThe size of the cache (a prime number), 0 for full cache and \n" + "\t-1 to turn it off.\n"
  public Enumeration listOptions() {    Vector		result;    Enumeration		en;        result = new Vector();    en = super.listOptions();    while (en.hasMoreElements())      result.addElement(en.nextElement());    result.addElement(new Option(	"\tThe size of the cache (a prime number).\n"	+ "\t(default: 250007)",	"C", 1, "-C <num>"));    return result.elements();  }