if (a.isDefined(Subscript)) return ((Boolean) a.getAttribute(Subscript)).booleanValue();
Boolean b = (Boolean) a.getAttribute(Subscript); if (b != null) return b.booleanValue();
  public static boolean isSubscript(AttributeSet a)  {    if (a.isDefined(Subscript))      return ((Boolean) a.getAttribute(Subscript)).booleanValue();    else      return false;      } 