MappingNotify event, serial 50, synthetic NO, window 0x0,
    request MappingKeyboard, first_keycode 8, count 248

KeyPress event, serial 50, synthetic NO, window 0x2e00001,
    root 0x7c6, subw 0x0, time 28376715, (50,-20), root:(138,132),
    state 0x0, keycode 64 (keysym 0xffe9, Alt_L), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyPress event, serial 51, synthetic NO, window 0x2e00001,
    root 0x7c6, subw 0x0, time 28376778, (50,-20), root:(138,132),
    state 0x8, keycode 23 (keysym 0xff09, Tab), same_screen YES,
    XLookupString gives 1 bytes: (09) "	"
    XmbLookupString gives 1 bytes: (09) "	"
    XFilterEvent returns: False

KeyRelease event, serial 51, synthetic NO, window 0x2e00001,
    root 0x7c6, subw 0x0, time 28376824, (50,-20), root:(138,132),
    state 0x8, keycode 64 (keysym 0xffe9, Alt_L), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 51, synthetic NO, window 0x2e00001,
    root 0x7c6, subw 0x0, time 28376860, (50,-20), root:(138,132),
    state 0x0, keycode 23 (keysym 0xff09, Tab), same_screen YES,
    XLookupString gives 1 bytes: (09) "	"
    XFilterEvent returns: False