     return _hasBinaryProperty(__swift_stdlib_UCHAR_CHANGES_WHEN_LOWERCASED)
   }
 
-  /// A Boolean property indicating whether the scalar is one whose normalized
-  /// form is not stable under a `toUppercase` mapping.
+  /// A Boolean property indicating whether the scalar's `uppercaseMapping`
+  /// differs from the NFD normalized form of the scalar itself.
   ///
   /// This property corresponds to the `Changes_When_Uppercased` property in the
   /// [Unicode Standard](http://www.unicode.org/versions/latest/).

    return _hasBinaryProperty(__swift_stdlib_UCHAR_CHANGES_WHEN_TITLECASED)
  }

  /// A Boolean property indicating whether the scalar is one whose normalized
  /// form is not stable under case folding.
  ///
  /// This property corresponds to the `Changes_When_Casefolded` property in the
  /// [Unicode Standard](http://www.unicode.org/versions/latest/).

    return _hasBinaryProperty(__swift_stdlib_UCHAR_CHANGES_WHEN_UPPERCASED)
  }

  /// A Boolean property indicating whether the scalar's `titlecaseMapping`
  /// differs from the NFD normalized form of the scalar itself.
  ///
  /// This property corresponds to the `Changes_When_Titlecased` property in the
  /// [Unicode Standard](http://www.unicode.org/versions/latest/).
