+public:
+ DECLARE_SCHEME_CALLBACK (set_spacing_rods, (SCM ));
+
+ Link_array<Spanner> broken_into_l_arr_;
+
+ // todo: move to somewhere else.
+ Real get_broken_left_end_align () const;
+
+ // TODO: make virtual and do this for Items as well.
+ Interval_t<int> spanned_rank_iv ();
+ void set_bound (Direction d, Grob*);
+ Item *get_bound (Direction d) const;
+
+ Spanner (SCM);