This is the revision history for hashes in <*:##NULL>

factoid_idsubjectcopulapredicateauthornamespace
10398 hashes is [fact hash]
known as an associative array, map or dictionary (but don't call it that in perl contexts), a hash is a data structure that maps strings to scalars. See http://perl-begin.org/topics/hashes/ .
pink_mist
9286 hashes is see hash rindolf