nl_tokens: Internal method to show an empty view in place of a collection of child views when the collection is empty
pl_tokens: function ( ) { var EmptyView = this . getEmptyView ( ) ; if ( EmptyView && ! this . _showingEmptyView ) { this . triggerMethod ( 'before:render:empty' ) ; this . _showingEmptyView = true ; var <mask> = new Backbone . Model ( ) ; this . addEmptyView ( model , EmptyView ) ; this . triggerMethod ( 'render:empty' ) ; } }