Someone

KeyPress event, serial 32, synthetic NO, window 0x6600001,
    root 0x1a5, subw 0x0, time 3448972410, (204,-194), root:(1201,92),
    state 0x10, keycode 98 (keysym 0xff52, Up), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 32, synthetic NO, window 0x6600001,
    root 0x1a5, subw 0x0, time 3448972465, (204,-194), root:(1201,92),
    state 0x10, keycode 98 (keysym 0xff52, Up), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyPress event, serial 32, synthetic NO, window 0x6600001,
    root 0x1a5, subw 0x0, time 3448972990, (204,-194), root:(1201,92),
    state 0x10, keycode 104 (keysym 0xff54, Down), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 32, synthetic NO, window 0x6600001,
    root 0x1a5, subw 0x0, time 3448973041, (204,-194), root:(1201,92),
    state 0x10, keycode 104 (keysym 0xff54, Down), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False