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