They are treated differently in the HID++ 2.0 specification. Observations seem
to confirm this difference. For instance, a part of solaar-cli's output:
0: unknown:0022 => Home FN sensitive, is FN, reprogrammable
1: Mail => Mail FN sensitive, is FN, reprogrammable
2: unknown:003E => Search FN sensitive, is FN, reprogrammable
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