nl_tokens: Replaces found placeholder values and appends any left over args to resulting array .
pl_tokens: function replacePlaceHolders ( array , args ) { var out = array . map ( function ( element ) { return ! ( element instanceof PlaceHolder ) ? element : ( args . length > 0 ? args . <mask> ( ) : element ) ; } ) ; return args . length > 0 ? out . concat ( args ) : out ; }