extern void describe_map_tree P_ ((Lisp_Object, int, Lisp_Object, Lisp_Object,
char *, int, int, int, int));
extern int current_minor_maps P_ ((Lisp_Object **, Lisp_Object **));
extern void describe_map_tree P_ ((Lisp_Object, int, Lisp_Object, Lisp_Object,
char *, int, int, int, int));
extern int current_minor_maps P_ ((Lisp_Object **, Lisp_Object **));