Comment 20 for bug 310270

I tried, and in effect it works like pressed 4 times!!
There's not a "rule". Sometimes, it works like pressed twice, 3 times or 4 times.

Xev output:
KeyPress event, serial 31, synthetic NO, window 0xa00001,
    root 0x13b, subw 0x0, time 770563, (729,598), root:(734,623),
    state 0x0, keycode 122 (keysym 0x1008ff11, XF86AudioLowerVolume), same_screen YES,
    XLookupString gives 0 bytes:
    XmbLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 34, synthetic NO, window 0xa00001,
    root 0x13b, subw 0x0, time 770816, (729,598), root:(734,623),
    state 0x0, keycode 122 (keysym 0x1008ff11, XF86AudioLowerVolume), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyPress event, serial 34, synthetic NO, window 0xa00001,
    root 0x13b, subw 0x0, time 770816, (729,598), root:(734,623),
    state 0x0, keycode 122 (keysym 0x1008ff11, XF86AudioLowerVolume), same_screen YES,
    XLookupString gives 0 bytes:
    XmbLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 34, synthetic NO, window 0xa00001,
    root 0x13b, subw 0x0, time 770867, (729,598), root:(734,623),
    state 0x0, keycode 122 (keysym 0x1008ff11, XF86AudioLowerVolume), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyPress event, serial 34, synthetic NO, window 0xa00001,
    root 0x13b, subw 0x0, time 770867, (729,598), root:(734,623),
    state 0x0, keycode 122 (keysym 0x1008ff11, XF86AudioLowerVolume), same_screen YES,
    XLookupString gives 0 bytes:
    XmbLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 34, synthetic NO, window 0xa00001,
    root 0x13b, subw 0x0, time 770868, (729,598), root:(734,623),
    state 0x0, keycode 122 (keysym 0x1008ff11, XF86AudioLowerVolume), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False