WORD used by WORDS...
token
=token token
update-pointer =token
+token update-pointer
@token =token
;bnf
nop ;bnf
postpone ;bnf
|
bnf> ;bnf
<bnf postpone
ballot
b,
bp | bnf> <bnf ballot b,
buffer
success =token update-pointer | bnf> <bnf