Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

//usr/share/X11/xkb/types/mousekeys

 partial default xkb_types "default" {
    virtual_modifiers Alt;

    type "SHIFT+ALT" {
	modifiers = Shift+Alt;
	map[Shift+Alt] = Level2;
	level_name[Level1] = "Base";
	level_name[Level2] = "Shift+Alt";
    };
};