--- tkUnixPort.h.orig	Fri Apr 16 01:51:47 1999
+++ tkUnixPort.h	Wed Feb 21 21:27:46 2001
@@ -82,6 +82,10 @@
 #include <X11/Xresource.h>
 #include <X11/Xutil.h>
 
+#ifdef I18N_IMPROVE
+#include <X11/Xlocale.h>
+#endif /* I18N_IMPROVE */
+
 /*
  * The following macro defines the type of the mask arguments to
  * select: