-#ifdef WINDOWSNT
- LANGUAGE_CHANGE_EVENT, /* A LANGUAGE_CHANGE_EVENT is generated
- on WINDOWSNT when the keyboard layout
- or input language is changed by the
+#if defined (WINDOWSNT) || defined (MAC_OS)
+ LANGUAGE_CHANGE_EVENT, /* A LANGUAGE_CHANGE_EVENT is
+ generated on WINDOWSNT or Mac OS
+ when the keyboard layout or input
+ language is changed by the