;;; the requirement is that each rule has an associated feature
;;; `AFFIXATION' which specifies either a pattern (like +ed) or null-affix
;;;
;;; verb infl rules

past-v_irule := past-verb &
[ AFFIXATION +ed ].

non3sg-v_irule := plur-verb &
[ AFFIXATION null-affix ].

3sg-v_irule := sing-verb &
[ AFFIXATION +s ].

pres-part-v_irule := pres-part-verb &
[ AFFIXATION +ing ].

past-part-v_irule := past-part-verb &
[ AFFIXATION +ed ].

infl-v_irule := verb-form &
[ AFFIXATION null-affix ].

;;; noun infl rules

pl-noun_irule := plur-noun &
[ AFFIXATION +s ].

sg-noun_irule := sing-noun &
[ AFFIXATION null-affix ].

;;; constant lexeme -> word

const-pump := word &
[ AFFIXATION null-affix,
  ARGS < all-const-lxm > ].