extern INTERVAL update_interval (INTERVAL, ptrdiff_t);
extern void set_intervals_multibyte (bool);
extern INTERVAL validate_interval_range (Lisp_Object, Lisp_Object *,
- Lisp_Object *, int);
+ Lisp_Object *, bool);
extern INTERVAL interval_of (ptrdiff_t, Lisp_Object);
/* Defined in xdisp.c. */