This file is indexed.

/usr/share/X11/xkb/compat/level5 is in xkb-data 2.5-1ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// Fairly complete set of symbol interpretations 
// to provide reasonable default behavior

default partial xkb_compatibility "default"  {
    virtual_modifiers LevelFive;

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

    interpret ISO_Level5_Shift+Any {
	useModMapMods= level1;
	virtualModifier= LevelFive;
	action= SetMods(modifiers=LevelFive);
    };

    interpret ISO_Level5_Shift {
	action= SetMods(modifiers=LevelFive);
    };

    interpret ISO_Level5_Latch+Any {
	virtualModifier= LevelFive;
	action= LatchMods(modifiers=LevelFive);
    };

    interpret ISO_Level5_Latch {
	action= LatchMods(modifiers=LevelFive);
    };

    interpret ISO_Level5_Lock+Any {
	virtualModifier= LevelFive;
	action= LockMods(modifiers=LevelFive);
    };

    interpret ISO_Level5_Lock {
	action= LockMods(modifiers=LevelFive);
    };
};
partial xkb_compatibility "level5_lock"  {
	// This defines a Level5-Lock using the NumLock real modifier in order to
	// create arbitrary level-behaviour, which would not be possible with the
	// virtual modifier.
	// See also: types/level5 : EIGHT_LEVEL_LEVEL_FIVE_LOCK
	// See also: symbols/level5(lock)
    virtual_modifiers NumLock;
    
    interpret ISO_Level5_Lock {
        action = LockMods(modifiers = NumLock);
    };
};