default
xkb_keycodes "foo" {
    include "recursive"
    <FOO> = 0x100000;
};

xkb_keycodes "bar" {
    include "recursive(baz)"
    <BAR> = 0x100001;
};

xkb_keycodes "baz" {
    include "recursive(bar)"
    <BAZ> = 0x100002;
};