Executing 'xev' in a terminal and typing N+Left, I get:
KeyPress event, serial 36, synthetic NO, window 0x5000001,
root 0x154, subw 0x0, time 428454280, (951,480), root:(989,597),
state 0x10, keycode 57 (keysym 0x6e, n), same_screen YES,
XLookupString gives 1 bytes: (6e) "n"
XmbLookupString gives 1 bytes: (6e) "n"
XFilterEvent returns: False
KeyPress event, serial 36, synthetic NO, window 0x5000001,
root 0x154, subw 0x0, time 428454446, (951,480), root:(989,597),
state 0x10, keycode 113 (keysym 0xff51, Left), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 36, synthetic NO, window 0x5000001,
root 0x154, subw 0x0, time 428454517, (951,480), root:(989,597),
state 0x10, keycode 113 (keysym 0xff51, Left), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 36, synthetic NO, window 0x5000001,
root 0x154, subw 0x0, time 428454687, (951,480), root:(989,597),
state 0x10, keycode 57 (keysym 0x6e, n), same_screen YES,
XLookupString gives 1 bytes: (6e) "n"
XFilterEvent returns: False
And you?