FM / compat

/usr/share/X11/xkb/compat

Name	Size	Mode	Actions
accessx	1121	0644	edit dl rm
basic	1054	0644	edit dl rm
caps	507	0644	edit dl rm
complete	228	0644	edit dl rm
iso9995	1644	0644	edit dl rm
japan	986	0644	edit dl rm
ledcaps	469	0644	edit dl rm
lednum	466	0644	edit dl rm
ledscroll	486	0644	edit dl rm
level5	1396	0644	edit dl rm
misc	2724	0644	edit dl rm
mousekeys	4604	0644	edit dl rm
olpc	1133	0644	edit dl rm
pc	340	0644	edit dl rm
pc98	1226	0644	edit dl rm
README	1712	0644	edit dl rm
xfree86	1842	0644	edit dl rm
xtest	1457	0644	edit dl rm

Edit: /usr/share/X11/xkb/compat/basic (1054B)

// Minimal set of symbol interpretations to provide
// reasonable default behavior (Num lock, Shift lock,
// Caps lock, and Mode switch) and set up the
// automatic updating of common keyboard LEDs.

default xkb_compatibility "basic" {

virtual_modifiers  NumLock,AltGr;

interpret.repeat= False;
    setMods.clearLocks= True;
    latchMods.clearLocks= True;
    latchMods.latchToLock= True;

interpret Shift_Lock+AnyOf(Shift+Lock) {
	action= LockMods(modifiers=Shift);
    };

interpret Any+Lock {
	action= LockMods(modifiers=Lock);
    };

interpret Num_Lock+Any {
	virtualModifier= NumLock;
	action= LockMods(modifiers=NumLock);
    };

interpret Mode_switch {
	useModMapMods= level1;
	virtualModifier= AltGr;
	action= SetGroup(group=+1);
    };

interpret Any + Any {
	action= SetMods(modifiers=modMapMods);
    };

group 2 = AltGr;
    group 3 = AltGr;
    group 4 = AltGr;

include "ledcaps"
    include "lednum"
    indicator "Shift Lock" {
	!allowExplicit;
	whichModState= Locked;
	modifiers= Shift;
    };
};

// Minimal set of symbol interpretations to provide // reasonable default behavior (Num lock, Shift lock, // Caps lock, and Mode switch) and set up the // automatic updating of common keyboard LEDs. default xkb_compatibility "basic" { virtual_modifiers NumLock,AltGr; interpret.repeat= False; setMods.clearLocks= True; latchMods.clearLocks= True; latchMods.latchToLock= True; interpret Shift_Lock+AnyOf(Shift+Lock) { action= LockMods(modifiers=Shift); }; interpret Any+Lock { action= LockMods(modifiers=Lock); }; interpret Num_Lock+Any { virtualModifier= NumLock; action= LockMods(modifiers=NumLock); }; interpret Mode_switch { useModMapMods= level1; virtualModifier= AltGr; action= SetGroup(group=+1); }; interpret Any + Any { action= SetMods(modifiers=modMapMods); }; group 2 = AltGr; group 3 = AltGr; group 4 = AltGr; include "ledcaps" include "lednum" indicator "Shift Lock" { !allowExplicit; whichModState= Locked; modifiers= Shift; }; };