IN: help USING: arrays kernel namespaces prettyprint sequences words ; M: word article-title "The " swap word-name " word" append3 ; M: word article-name word-name ; : word-help ( word -- ) dup "help" word-prop [ % drop ] [ "predicating" word-prop [ \ $predicate swap 2array , ] when* ] if* ; M: word article-content [ \ $synopsis over 2array , dup word-help \ $definition swap 2array , ] { } make ;