# ^B ^N ^P ^F : Move cursor (always)
# ^I : Choose an item from inventry/equipment, then insert its name
# ^S : Rotates action (pick up / destroy / leave on floor)
-# ^U : Rotates idendify state (identified / unidentified / ...)
+# ^U : Rotates identify state (identified / unidentified / ...)
# ^L : Insert name of the last auto-destroyed item.
# '/' : Search string, or search an item specified by ^I or ^L.
# 'n' : Search next
# more than N dice : Weapons with dice (dd * ds) better than +N match.
# more bonus than N : Items which has more magical bonus than (+N) match.
# worthless : Items which you cannot sell match.
-# artifacts : Artifacts items match.
+# artifacts : Artifact items match.
# ego : Ego items match.
# nameless : Non ego/non artifact items match.
# wanted : Wanted monster's corpses or skeletons match.
# If all args are same, returns "1", or else returns "0".
# [IOR arg1 arg2 ...]
# [AND arg1 arg2 ...]
-# IOR evaluates and returns all args' logical OR. IAND is logical AND.
+# IOR evaluates and returns all args' logical OR. AND is logical AND.
# [NOT arg]
# Returns "0" if arg is "1", or else returns "1"
# [LEQ arg1 arg2 ...]