             return gridicon(.headingH5)
         case .header6:
             return gridicon(.headingH6)
-        default:
-            return UIImage()
         }
     }
 

            return "formatToolbarToggleH5"
        case .header6:
            return "formatToolbarToggleH6"
        default:
            return "none"
        }
    }


            return NSLocalizedString("Header 5", comment: "Accessibility label for selecting h5 paragraph style button on the formatting toolbar.")
        case .header6:
            return NSLocalizedString("Header 6", comment: "Accessibility label for selecting h6 paragraph style button on the formatting toolbar.")
        }
    }
}
