- static void set_head (Grob *, Direction, Grob *head);
- static bool has_interface (Grob *);
- static Grob *head (Grob *, Direction);
- static int get_column_rank (Grob *, Direction);
- static int get_position (Grob *);
- static Direction get_default_dir (Grob *);
- static void get_configuration (Grob *, Tie_configuration *,
- Tie_formatting_problem const &);
- static void set_control_points (Grob *, Grob *,
- Tie_configuration const&,
- Tie_details const&);
- static void set_default_control_points (Grob *);
+ static void set_head (Spanner *, Direction, Grob *head);
+ static Item *head (Spanner *, Direction);
+ static int get_column_rank (Spanner *, Direction);
+ static int get_position (Spanner *);
+ static Direction get_default_dir (Spanner *);
+ static SCM get_control_points (Grob *, Grob *,
+ Tie_configuration const &,
+ Tie_details const &);
+ static SCM get_default_control_points (Spanner *);