     }
   }
 
-  public
-  func stringByAppendingFormat(format: NSString, _ args: CVarArgType...)
+  public func stringByAppendingFormat(format: NSString, _ args: CVarArgType...)
   -> NSString {
     return withVaList(args) {
       self.stringByAppendingString(NSString(format: format as String, arguments: $0) as String) as NSString

}

extension NSString {
  public
  convenience init(format: NSString, _ args: CVarArgType...) {
    // We can't use withVaList because 'self' cannot be captured by a closure
    // before it has been initialized.
    let va_args = getVaList(args)
    self.init(format: format as String, arguments: va_args)
  }

  public
  convenience init(
    format: NSString, locale: NSLocale?, _ args: CVarArgType...
  ) {
    // We can't use withVaList because 'self' cannot be captured by a closure

}

extension NSMutableString {
  public func appendFormat(format: NSString, _ args: CVarArgType...) {
    return withVaList(args) {
      self.appendString(NSString(format: format as String, arguments: $0) as String)
    }
