[powersnail]

The only possibility is to allow the user to assign custom keys, which is pretty common.

It’s impossible to know the physical layout for absolute certainty. For all you know, my “Enter” could be a pedal under the desk.

[db48x]

In X11 with the Xkb extension you can configure simplified vector drawings of your input devices, which any application can query. It is intended that applications use these drawings in their help systems and tutorials, as well as in their key binding editors. Few applications bother though.

https://www.x.org/releases/current/doc/libX11/XKB/xkblib.htm...