nl_tokens: var utilTack = $$ . utilTack ; add one or more items / arrays for concat in Array . empty Arrays and undefined items are ignored
pl_tokens: function xAddArray ( ) { var i = 0 , m = arguments . length , a ; for ( ; i < m ; i += 1 ) { a = arguments [ i ] ; if ( $$ . type . call ( a , 'Array' ) ) { xAddArray . <mask> ( this , a ) ; } else if ( a !== undefined ) { this . push ( a ) ; } } return this ; }