#define CVf_UNIQUE 0x10 /* can't be cloned */
#define CVf_NODEBUG 0x20 /* no DB::sub indirection for this CV
(esp. useful for special XSUBs) */
-#define CVf_FORMAT 0x40 /* is a format, not a sub */
#define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
#define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
#define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
#define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE)
-#define CvFORMAT(cv) (CvFLAGS(cv) & CVf_FORMAT)
-#define CvFORMAT_on(cv) (CvFLAGS(cv) |= CVf_FORMAT)
-#define CvFORMAT_off(cv) (CvFLAGS(cv) &= ~CVf_FORMAT)
-
#define CvNODEBUG(cv) (CvFLAGS(cv) & CVf_NODEBUG)
#define CvNODEBUG_on(cv) (CvFLAGS(cv) |= CVf_NODEBUG)
#define CvNODEBUG_off(cv) (CvFLAGS(cv) &= ~CVf_NODEBUG)