xkbevd(1) on Linux
The text 9084e0997b34, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
XKB event daemon
Flags it lists
-
-bg -
-cfg -
-display -
-help -
-sc -
-sd -
-synch -
-v -
-version