I can confirm this problem for both n and e keys:
keycode 38 = a A a A aacute Aacute keycode 26 = e E e E eacute Eacute keycode 31 = i I i I iacute Iacute keycode 32 = o O o O oacute Oacute keycode 30 = u U u U uacute Uacute keycode 57 = n N n N ntilde Ntilde
I can confirm this problem for both n and e keys:
keycode 38 = a A a A aacute Aacute
keycode 26 = e E e E eacute Eacute
keycode 31 = i I i I iacute Iacute
keycode 32 = o O o O oacute Oacute
keycode 30 = u U u U uacute Uacute
keycode 57 = n N n N ntilde Ntilde