2.8.2 Reserved identifiers

ABS       BYTESIZE   EXTENDED  INTEGER    MAX     NULL      SUBARRAY
ADDRESS   CARDINAL   FALSE     ISTYPE     MIN     NUMBER    TEXT
ADR       CEILING    FIRST     LAST       MUTEX   ORD       TRUE
ADRSIZE   CHAR       FLOAT     LONGINT    NARROW  REAL      TRUNC
BITSIZE   DEC        FLOOR     LONGREAL   NEW     REFANY    TYPECODE
BOOLEAN   DISPOSE    INC       LOOPHOLE   NIL     ROUND     VAL
                                                            WIDECHAR