nl_tokens: Process a particular binding and fire the handler if necessary .
pl_tokens: function ( binding , event ) { if ( this . checkModifiers ( binding , event ) ) { var key = event . getKey ( ) , handler = binding . fn || binding . handler , scope = binding . scope || this , keyCode = binding . keyCode , defaultEventAction = binding . defaultEventAction , i , len , keydownEvent = new Ext . EventObjectImpl ( event ) ; for ( i = 0 , len = keyCode . length ; i < len ; ++ i ) { if ( key === keyCode [ i ] ) { if ( handler . call ( scope , key , <mask> ) !== true && defaultEventAction ) { keydownEvent [ defaultEventAction ] ( ) ; } break ; } } } }