nl_tokens: array of change stamps
pl_tokens: function ( config , callback , scope ) { var changed = false ; if ( config ) { config . config_id = 'csv' ; Ext . data . CSV . superclass . constructor . <mask> ( this , config ) ; if ( config . v ) { this . v = [ ] ; this . do_add ( config . v ) ; } } if ( this . v === undefined ) { this . v = [ ] ; changed = true ; } this . writeAndCallback ( changed , callback , scope ) ; }