                 
             case JSON_C_TO_STRING_SPACED:       self = .Spaced
             case JSON_C_TO_STRING_PRETTY:       self = .Pretty
-            case JSON_C_TO_STRING_PRETTY_TAB:   self = .PrettyTab
             case JSON_C_TO_STRING_NOZERO:       self = .NoZero
                 
             default: return nil

                
            case Spaced:        return JSON_C_TO_STRING_SPACED
            case Pretty:        return JSON_C_TO_STRING_PRETTY
            case PrettyTab:     return JSON_C_TO_STRING_PRETTY_TAB
            case NoZero:        return JSON_C_TO_STRING_NOZERO
            }
        }
    }
}
        /// for an example of the format.
        case Pretty
        
        /// Drop trailing zero for float values
        case NoZero
        
