anchor.diff:  
   /// The window is an overlapped window. An overlapped window has a title bar and
   /// a border. Same as the WS_OVERLAPPED style.
  -const WS_TILED = 0x00000000;
  +const WS_TILED = WS_OVERLAPPED;
   
   /// The window is an overlapped window. Same as the WS_OVERLAPPEDWINDOW style.
  -const WS_TILEDWINDOW = WS_OVERLAPPED |
  -    WS_CAPTION |
  -    WS_SYSMENU |
  -    WS_THICKFRAME |
  -    WS_MINIMIZEBOX |
  -    WS_MAXIMIZEBOX;
  +const WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW;
   
   /// The window is initially visible.
   ///
  
positive.code: const WS_CHILD = 0x40000000;
  
  /// Same as the WS_CHILD style.
  const WS_CHILDWINDOW = 0x40000000;
  
  /// Excludes the area occupied by child windows when drawing occurs within the
  /// parent window. This style is used when creating the parent window.
  
negative.code: const WS_POPUPWINDOW = WS_POPUP | WS_BORDER | WS_SYSMENU;
  
  /// The window has a sizing border. Same as the WS_THICKFRAME style.
  const WS_SIZEBOX = WS_THICKFRAME;
  
  /// The window has a window menu on its title bar. The WS_CAPTION style must
  /// also be specified.
  