And that is correct. Why do you expect 69? Do you have a non-standard keyboard?
function OnKey(_keycode, _shift, _ctrl, _alt)
print('_keycode: '..tostring(_keycode)..', _shift: '..tostring(_shift)..', _ctrl: '..tostring(_ctrl)..', _alt: '..tostring(_alt))
end
output:
_keycode: 17, _shift: false, _ctrl: true, _alt: false
_keycode: 67, _shift: false, _ctrl: true, _alt: false