PN_FNUMBER        512 core/compile.c       PN_ASM2(OP_LOADPN, breg + 1, (PN_S(t,1) | PN_FNUMBER));
PN_FNUMBER        172 core/potion.h  #define PN_IS_NUM(v)    ((PN)(v) & PN_FNUMBER)
PN_FNUMBER        202 core/potion.h  #define PN_NUM(i)       ((PN)((((long)(i))<<1) + PN_FNUMBER))