- item_l_drul_[RIGHT]->column_l ()->add_rod
- (item_l_drul_[LEFT]->column_l (), distance_f_);
- item_l_drul_[LEFT]->column_l ()->add_rod
- (item_l_drul_[RIGHT]->column_l (), distance_f_);
+ columnize ();
+ if (item_drul_[LEFT] != item_drul_[RIGHT]
+ && item_drul_[LEFT] && item_drul_[RIGHT])
+ Spaceable_grob::add_rod (item_drul_[LEFT],
+ item_drul_[RIGHT],
+ distance_);