(as an addendum, you'd need a way of hinting xkbcomp as to which keycodes to preserve, presumably by testing the EV_KEY bits. evdev needs a complete map; we don't know which keycodes will be needed until we've opened the device.)
(as an addendum, you'd need a way of hinting xkbcomp as to which keycodes to preserve, presumably by testing the EV_KEY bits. evdev needs a complete map; we don't know which keycodes will be needed until we've opened the device.)