protected void updateAbsoluteBounds() {
    super.updateAbsoluteBounds() ;
    if ((oldWide != xdim()) || (oldHigh != ydim())) {
      needsFormat = true ;
      oldWide = xdim() ;
      oldHigh = ydim() ;
    }
    if (needsFormat && (allEntries.size() > 0)) format(xdim()) ;
    //needsFormat = false ;
  }