=== Raute-Taste auf 104er-Tastatur ===
KeyPress event, serial 30, synthetic NO, window 0x1600001,
    root 0x76, subw 0x0, time 2360375704, (174,90), root:(205,153),
    state 0x10, keycode 51 (keysym 0xff7e, Mode_switch), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 30, synthetic NO, window 0x1600001,
    root 0x76, subw 0x0, time 2360375755, (174,90), root:(205,153),
    state 0x2010, keycode 51 (keysym 0xfe0c, ISO_First_Group), same_screen YES,
    XKeysymToKeycode returns keycode: 66
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False