info/2
info(Functor/Arity, List) info(Functor//Arity, List)Documentation directive for predicates and grammar rule non-terminals.
info(+predicate_indicator, +info_list) info(+non_terminal_indicator, +info_list)
:- info(empty/1, [ comment is 'True if the argument is an empty list.', argnames is ['List']]). :- info(sentence//0, [ comment is 'Rewrites a sentence in a noun phrase and verb phrase.']).