virtual void do_break_processing ();
virtual Paper_column *get_column () const;
virtual System *get_system () const;
- void set_system (System *);
-
- static int compare (Grob * const &a,
- Grob * const &b);
- static bool less_than (Grob *const &a,
- Grob *const &b);
int get_rank () const { return rank_; }
void set_rank (int);