docs: function(){
  
  	    console.log('reached end of batch');
  	    if( came_back_too_fasts.length > 0 ){
  
  		console.log('retry too fasts...');
  
  		us.each(came_back_too_fasts, function(acc){
  		    console.log('retry: ' + acc);
  		    
  		    var lbl = jQuery('#' + bid).jstree(true).get_text(acc);
  		    if( ! lbl ){
  			console.log('give up, still not there: ' + acc);
  		    }else{
  
  			lbl = lbl.slice(0, lbl.indexOf(' <span'));
  			jQuery('#' + bid).jstree(true).set_text(acc,lbl + id_to_badge_text[acc]);
  		    }
  		});
  	    }
          }