--- xmonad/src/XMonad/Core.hs	2010-09-05 05:11:42.000000000 +0400
+++ xmonad/src/XMonad/Core.hs	2010-09-18 07:59:14.000000000 +0400
@@ -65,6 +65,7 @@
     , waitingUnmap     :: !(M.Map Window Int)            -- ^ the number of expected UnmapEvents
     , dragging         :: !(Maybe (Position -> Position -> X (), X ()))
     , numberlockMask   :: !KeyMask                       -- ^ The numlock modifier
+    , keyPressed       :: !KeyCode                       -- ^ keycode of the key being pressed if any
     , extensibleState  :: !(M.Map String (Either String StateExtension))
     -- ^ stores custom state information.
     --
--- xmonad/src/XMonad/Main.hs	2010-09-05 05:11:42.000000000 +0400
+++ xmonad/src/XMonad/Main.hs	2010-09-18 08:03:11.000000000 +0400
@@ -129,6 +129,7 @@
             , mapped          = S.empty
             , waitingUnmap    = M.empty
             , dragging        = Nothing
+            , keyPressed      = 0
             , extensibleState = extState
             }
     allocaXEvent $ \e ->
@@ -190,10 +191,15 @@
 -- run window manager command
 handle (KeyEvent {ev_event_type = t, ev_state = m, ev_keycode = code})
     | t == keyPress = withDisplay $ \dpy -> do
-        s  <- io $ keycodeToKeysym dpy code 0
-        mClean <- cleanMask m
-        ks <- asks keyActions
-        userCodeDef () $ whenJust (M.lookup (mClean, s) ks) id
+        kp <- gets keyPressed
+        if kp /= code then do
+                modify $ \s -> s { keyPressed = code }
+                s  <- io $ keycodeToKeysym dpy code 0
+                mClean <- cleanMask m
+                ks <- asks keyActions
+                userCodeDef () $ whenJust (M.lookup (mClean, s) ks) id
+            else return ()
+    | t == keyRelease = modify $ \s -> s { keyPressed = 0 }
 
 -- manage a new window
 handle (MapRequestEvent    {ev_window = w}) = withDisplay $ \dpy -> do