static void add_unordered_grob (Grob *, SCM nm, Grob *);
static void set_ordered (Grob *, SCM, bool);
static Grob_array *get_grob_array (Grob*, SCM);
+ static Grob *find_grob (Grob*, SCM, bool (*pred) (Grob*));
};
vector<Grob*> const &internal_extract_grob_array (Grob const *elt, SCM symbol);