After reading the previous comments I come to the conclusion that a working solution needs a redefinition of the keycode. Each of the working solutions have one of the following lines in it:
keycode 66 = Control_L keysym Caps_Lock = ISO_Level3_Shift keycode 66 = keysym Caps_Lock = Shift_L
After reading the previous comments I come to the conclusion that a working solution needs a redefinition of the keycode. Each of the working solutions have one of the following lines in it:
keycode 66 = Control_L
keysym Caps_Lock = ISO_Level3_Shift
keycode 66 =
keysym Caps_Lock = Shift_L