i tried, and didn't manage to get any meaningful response. i tried adding the line "ENV{DMI_VENDOR}=="Logitech*", RUN+="keymap $name scancodes_logitech_wave" " after "keyboad_vendorcheck" as well as after "ThinkPad Extra Buttons", running the command you supplied AND replugging the keyboard, and in both cases absolutely nothing changed - /lib/udev/keymap -i still shows the same (numerical) keycodes and xev still does not respond.
i tried, and didn't manage to get any meaningful response. i tried adding the line "ENV{DMI_ VENDOR} =="Logitech* ", RUN+="keymap $name scancodes_ logitech_ wave" " after "keyboad_ vendorcheck" as well as after "ThinkPad Extra Buttons", running the command you supplied AND replugging the keyboard, and in both cases absolutely nothing changed - /lib/udev/keymap -i still shows the same (numerical) keycodes and xev still does not respond.