anchor.diff:  /// @nodoc
   const APPMODEL_ERROR_NO_MUTABLE_DIRECTORY = 15707;
   
  -// --------------------
  +// -----------------------------------------------------------------------------
   // Format message flags
  -// --------------------
  +// -----------------------------------------------------------------------------
   
   /// Insert sequences in the message definition are to be ignored and passed
   /// through to the output buffer unchanged. This flag is useful for fetching a
  
positive.code: /// The window has a vertical scroll bar.
  const WS_VSCROLL = 0x00200000;
  
  // -----------------------
  // WindowMessage constants
  // -----------------------
  
  /// Performs no operation.
  ///
  
negative.code: /// this set, it is still possible to paste non-digits into the edit control.
  const ES_NUMBER = 0x2000;
  
  // -----------------------------------------------------------------------------
  // Edit control notifications
  // -----------------------------------------------------------------------------
  
  /// Sent when an edit control receives the keyboard focus.
  const EN_SETFOCUS = 0x0100;
  