docs: function step3 ( folder ) {
  				var is, nodes = folder.nodes, alpha = function ( n1, n2 ) {
  					return n1.name < n2.name ? -1 : n1.name > n2.name ? 1 : 0;
  				};
  				folder.nodes = nodes.filter ( function ( node ) {
  					return (( is = node.nodes )) ? step3 ( node ) : false;
  				}).sort ( alpha ).concat ( nodes.filter ( function ( node ) {
  					return !node.nodes;
  				}).sort ( alpha ));
  				return folder;
  			}