code: @Override
  	public void removeRange(int fromIndex, int toIndex) {
  		int fromIdx = getRealIndex(fromIndex);
  		int toIdx = getRealIndex(toIndex);
  		super.removeRange(fromIdx, toIdx);
  	}
docs: Removes from this list all of the elements whose index is between fromIndex,
  inclusive, and toIndex, exclusive; both indexes can be negative; for
  details see {@link #getRealIndex(int)}.
  
  @param fromIndex
  the index to start from, inclusive.
  @param toIndex
  the index to stop at, exclusive.
  @see java.util.Vector#removeRange(int, int)