--- lablGL/Togl/src/Togl/togl.c	2008-10-24 19:00:34.000000000 -0700
+++ lablGL/Togl/src/Togl/togl.c.new	2008-12-04 09:17:09.000000000 -0800
@@ -158,6 +158,8 @@
 #  include "tkInt8.4.h"
 #elif TK_MAJOR_VERSION==8 && TK_MINOR_VERSION==5
 #  include "tkInt8.5.h"
+#elif TK_MAJOR_VERSION==8 && TK_MINOR_VERSION==6
+#  include "tkInt8.6.h"
 #else
 #error "Sorry, you will have to edit togl.c to include the right tkInt.h file"
 #endif