nl_tokens: Fire a listener on a target
pl_tokens: function fire ( event , <mask> , listener ) { var returned , oldData ; if ( listener . d !== null ) { oldData = event . data ; event . data = listener . d ; returned = listener . h . call ( target , event , target ) ; event . data = oldData ; } else { returned = listener . h . call ( target , event , target ) ; } return returned ; }