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

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


            insertMoreAttachment()
        case .horizontalruler:
            insertHorizontalRuler()
        }

        updateFormatBar()
