--- mozilla/widget/src/gtk2/nsWindow.cpp.orig	2007-06-12 22:19:35.000000000 +0900
+++ mozilla/widget/src/gtk2/nsWindow.cpp	2007-06-12 22:19:02.000000000 +0900
@@ -1859,6 +1859,7 @@ 
         || aEvent->keyval == GDK_Shift_R
         || aEvent->keyval == GDK_Control_L
         || aEvent->keyval == GDK_Control_R
+        || aEvent->keyval == GDK_Mode_switch
         || aEvent->keyval == GDK_Alt_L
         || aEvent->keyval == GDK_Alt_R
         || aEvent->keyval == GDK_Meta_L