       _appearanceUpdater = TaskCellAppearanceUpdater(delegate: self)
       _textField.delegate = self
       _textField.userInteractionEnabled = false
-      _disclosureButton.setTitle(" ", forState: .Normal)
+      _disclosureButton.setImage(nil, forState: .Normal)
    }
    
    func startEditing()


class TasksTableViewCell: UITableViewCell
{
   private let _disclosureButtonTitle = "〉"
   private let _incompletedButtonTitle = "○"
   private let _completedButtonTitle = "◉"
   private let _plusButtonTitle = "+"

   
   private func _updateDisclosureButtonTitle()
   {
      let disclosureButtonImage: UIImage? = _textField.editing ? UIImage(named: "arrow")! : nil
      UIView.setAnimationsEnabled(false)
      _disclosureButton.setImage(disclosureButtonImage, forState: .Normal)
      UIView.setAnimationsEnabled(true);
   }
   
