   /// Scalar values representing characters that are normally unprintable or
   /// that otherwise require escaping are escaped with a backslash.
   ///
-  ///     let tab = Unicode.Scalar(9)
+  ///     let tab = Unicode.Scalar(9)!
   ///     print(tab)
   ///     // Prints " "
   ///     print(tab.escaped(asASCII: false))

  /// You can also create Unicode scalar values directly from their numeric
  /// representation.
  ///
  ///     let airplane = Unicode.Scalar(9992)
  ///     print(airplane)
  ///     // Prints "✈︎"
  @frozen

  /// value; otherwise, non-ASCII characters are represented using their
  /// typical string value.
  ///
  ///     let bap = Unicode.Scalar(48165)!
  ///     print(bap.escaped(asASCII: false))
  ///     // Prints "밥"
  ///     print(bap.escaped(asASCII: true))
