Contents of /sourceforge.net/trunk/rdesktop/keymaps/modifiers

Shift_R 0x36
Shift_L 0x2a

Alt_R 0xb8
Mode_switch 0xb8
Alt_L 0x38

Control_R 0x9d
Control_L 0x1d

# Translate Meta, Super and Hyper to Windows keys. 
# This is hardcoded. See documentation for details. 

# Translate Menu to the Windows Application key. 
# This one does not work either. 
Menu 0xdd
1	Shift_R 0x36
2	Shift_L 0x2a
3
4	Alt_R 0xb8
5	Mode_switch 0xb8
6	Alt_L 0x38
7
8	Control_R 0x9d
9	Control_L 0x1d
10
11	# Translate Meta, Super and Hyper to Windows keys.
12	# This is hardcoded. See documentation for details.
13
14	# Translate Menu to the Windows Application key.
15	# This one does not work either.
16	Menu 0xdd