return res;
return v;
  protected Vector getPositionsInRange(Vector v, int offset, int length)  {    Vector res = v;    if (res == null)      res = new Vector();    else      res.clear();    int endOffs = offset + length;    Set positionSet = positions.keySet();    for (Iterator i = positionSet.iterator(); i.hasNext();)      {        GapContentPosition p = (GapContentPosition) i.next();        int offs = p.getOffset();        if (offs >= offset && offs < endOffs)          res.add(p);      }    return res;  }