Summary: Does not work on Motif but works on XToolkit now; implemented using XQueryPointer.
Reviewed-by: anthony

Summary: in a group of keysyms associated with a key, check for keypad-ness of more keysyms
Reviewed-by: art

Summary: This Unix only problem solved by mapping XK_ISO_Level3_Shift keysym to Java keycode VK_ALT_GRAPH.
Reviewed-by: son