 
 }
 
-// MARK: - UICollectionViewDataSource
+// MARK: - UICollectionViewDataSource/Delegate
 extension OnThisDayViewController {
     
     override func numberOfSections(in collectionView: UICollectionView) -> Int {

        }
        cell.selectionDelegate = nil
        cell.pauseDotsAnimation = true
    }
    
    override func collectionView(_ collectionView: UICollectionView, shouldHighlightItemAt indexPath: IndexPath) -> Bool {

        self.events = events
        self.dataStore = dataStore
        self.date = date
        self.isDateVisibleInTitle = false
        super.init()
        navigationItem.backBarButtonItem = UIBarButtonItem(title: WMFLocalizedString("back", value:"Back", comment:"Generic 'Back' title for back button\n{{Identical|Back}}"), style: .plain, target:nil, action:nil)
    }
    
    var isDateVisibleInTitle: Bool {
        didSet {
            guard isDateVisibleInTitle, let language = events.first?.language else {
                title = WMFLocalizedString("on-this-day-title", value:"On this day", comment:"Title for the 'On this day' feed section")
                return
            }
            title = DateFormatter.wmf_monthNameDayNumberGMTFormatter(for: language).string(from: date)
        }
    }
    
    override func metrics(withBoundsSize size: CGSize) -> WMFCVLMetrics {
