: LIT< 0x2b ( s ) , WORD DUP C@ 1+ MOVE, ; IMMEDIATE : BEGIN H@ ; IMMEDIATE : AGAIN 0x3b ( br ) , H@ - _bchk C, ; IMMEDIATE : UNTIL 0x3f ( ?br ) , H@ - _bchk C, ; IMMEDIATE : [ INTERPRET ; IMMEDIATE : ] R> DROP ; : COMPILE ' LITN ['] , , ; IMMEDIATE : [COMPILE] ' , ; IMMEDIATE : ['] ' LITN ; IMMEDIATE