Remove trailing whitespace from many modules

Ignore-this: 1e28ff0974578d329bd3d593c1a5125e

darcs-hash:20090705201205-1499c-581bd0bb43ab6096eccded6edbd54a7a2007b0d9.gz

32 files changed, 146 insertions, 146 deletions

diff --git a/XMonad/Actions/CycleSelectedLayouts.hs b/XMonad/Actions/CycleSelectedLayouts.hs
index 63f07ca..e10f930 100644
--- a/XMonad/Actions/CycleSelectedLayouts.hs
+++ b/XMonad/Actions/CycleSelectedLayouts.hs
@@ -25,7 +25,7 @@ import qualified XMonad.StackSet as S
 
 -- $usage
 -- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
--- 
+--
 -- > import XMonad hiding ((|||))
 -- > import XMonad.Layout.LayoutCombinators ((|||))
 -- > import XMonad.Actions.CycleSelectedLayouts
diff --git a/XMonad/Actions/CycleWindows.hs b/XMonad/Actions/CycleWindows.hs
index 14cda8d..0f614b8 100644
--- a/XMonad/Actions/CycleWindows.hs
+++ b/XMonad/Actions/CycleWindows.hs
@@ -18,7 +18,7 @@
 -- * Cycle windows through the focused position.
 --
 -- * Cycle unfocused windows.
--- 
+--
 -- These bindings are especially useful with layouts that hide some of
 -- the windows in the stack, such as Full, "XMonad.Layout.TwoPane" or
 -- "XMonad.Layout.Mosaic" with three or four panes. See also
@@ -70,7 +70,7 @@ import XMonad.Actions.RotSlaves
 --
 -- Also, if you use focus follows mouse, you will want to read the section
 -- on updating the mouse pointer below.  For detailed instructions on
--- editing your key bindings, see "XMonad.Doc.Extending#Editing_key_bindings". 
+-- editing your key bindings, see "XMonad.Doc.Extending#Editing_key_bindings".
 {- $pointer
 With FocusFollowsMouse == True, the focus is updated after binding
 actions, possibly focusing a window you didn't intend to focus. Most
diff --git a/XMonad/Actions/GridSelect.hs b/XMonad/Actions/GridSelect.hs
index 064d041..ffde014 100644
--- a/XMonad/Actions/GridSelect.hs
+++ b/XMonad/Actions/GridSelect.hs
@@ -230,7 +230,7 @@ hsv2rgb (h,s,v) =
 
 -- | Default colorizer for Strings
 defaultColorizer :: String -> Bool -> X (String, String)
-defaultColorizer s active = 
+defaultColorizer s active =
     let seed x = toInteger (sum $ map ((*x).fromEnum) s) :: Integer
         (r,g,b) = hsv2rgb ((seed 83) `mod` 360,
                            (fromInteger ((seed 191) `mod` 1000))/2500+0.4,
@@ -254,17 +254,17 @@ colorRangeFromClassName :: (Word8, Word8, Word8) -- ^ Beginning of the color ran
                         -> (Word8, Word8, Word8) -- ^ Inactive text color
                         -> (Word8, Word8, Word8) -- ^ Active text color
                         -> Window -> Bool -> X (String, String)
-colorRangeFromClassName startC endC activeC inactiveT activeT w active = 
+colorRangeFromClassName startC endC activeC inactiveT activeT w active =
     do classname <- runQuery className w
-       if active 
+       if active
          then return (rgbToHex activeC, rgbToHex activeT)
-         else return (rgbToHex $ mix startC endC 
+         else return (rgbToHex $ mix startC endC
                   $ stringToRatio classname, rgbToHex inactiveT)
     where rgbToHex :: (Word8, Word8, Word8) -> String
           rgbToHex (r, g, b) = '#':twodigitHex r
                                ++twodigitHex g++twodigitHex b
 
--- | Creates a mix of two colors according to a ratio 
+-- | Creates a mix of two colors according to a ratio
 -- (1 -> first color, 0 -> second color).
 mix :: (Word8, Word8, Word8) -> (Word8, Word8, Word8)
         -> Double -> (Word8, Word8, Word8)
diff --git a/XMonad/Actions/MessageFeedback.hs b/XMonad/Actions/MessageFeedback.hs
index c1570c7..343618f 100644
--- a/XMonad/Actions/MessageFeedback.hs
+++ b/XMonad/Actions/MessageFeedback.hs
@@ -52,8 +52,8 @@ import Control.Applicative ((<$>))
 --
 -- is mis-typed. For this reason, this module provides alternatives (ending with
 -- an underscore, e.g. tryMessage_) that discard their result and return an @X ()@.
--- For example, to correct the previous example: 
--- 
+-- For example, to correct the previous example:
+--
 -- > ((modKey, xK_Left), tryMessage_ Shrink (MoveLeft 50))
 --
 
diff --git a/XMonad/Actions/WindowGo.hs b/XMonad/Actions/WindowGo.hs
index a437748..c1506ab 100644
--- a/XMonad/Actions/WindowGo.hs
+++ b/XMonad/Actions/WindowGo.hs
@@ -178,7 +178,7 @@ raiseMaster raisef thatUserQuery = raiseAndDo raisef thatUserQuery (\_ -> window
 {- |  If the window is found the window is focused and set to master
       otherwise, action is run.
 
-      > runOrRaiseMaster \"firefox\" (className =? \"Firefox\")) 
+      > runOrRaiseMaster \"firefox\" (className =? \"Firefox\"))
   -}
 runOrRaiseMaster :: String -> Query Bool -> X ()
 runOrRaiseMaster run query = runOrRaiseAndDo run query (\_ -> windows W.swapMaster)
diff --git a/XMonad/Config/Droundy.hs b/XMonad/Config/Droundy.hs
index 6f63688..0f324c1 100644
--- a/XMonad/Config/Droundy.hs
+++ b/XMonad/Config/Droundy.hs
@@ -95,7 +95,7 @@ keys x = M.fromList $
     , ((modMask x .|. controlMask .|. shiftMask, xK_Left), sendMessage $ Move L)
     , ((modMask x .|. controlMask .|. shiftMask, xK_Up), sendMessage $ Move U)
     , ((modMask x .|. controlMask .|. shiftMask, xK_Down), sendMessage $ Move D)
- 
+
     , ((0, xK_F2  ), spawn "gnome-terminal") -- %! Launch gnome-terminal
     , ((0, xK_F3  ), shellPrompt myXPConfig) -- %! Launch program
     , ((0, xK_F11   ), spawn "ksnapshot") -- %! Take snapshot
@@ -112,7 +112,7 @@ keys x = M.fromList $
     , ((modMask x, xK_space), sendMessage Toggle)
 
     ]
- 
+
     ++
     zip (zip (repeat $ modMask x) [xK_F1..xK_F12]) (map (withNthWorkspace W.greedyView) [0..])
     ++
@@ -143,12 +143,12 @@ config = defaultConfig
 mytab = tabbed CustomShrink defaultTheme
 
 instance Shrinker CustomShrink where
-    shrinkIt shr s | Just s' <- dropFromHead " " s = shrinkIt shr s' 
-    shrinkIt shr s | Just s' <- dropFromTail " " s = shrinkIt shr s' 
-    shrinkIt shr s | Just s' <- dropFromTail "- Iceweasel" s = shrinkIt shr s' 
-    shrinkIt shr s | Just s' <- dropFromTail "- KPDF" s = shrinkIt shr s' 
-    shrinkIt shr s | Just s' <- dropFromHead "file://" s = shrinkIt shr s' 
-    shrinkIt shr s | Just s' <- dropFromHead "http://" s = shrinkIt shr s' 
+    shrinkIt shr s | Just s' <- dropFromHead " " s = shrinkIt shr s'
+    shrinkIt shr s | Just s' <- dropFromTail " " s = shrinkIt shr s'
+    shrinkIt shr s | Just s' <- dropFromTail "- Iceweasel" s = shrinkIt shr s'
+    shrinkIt shr s | Just s' <- dropFromTail "- KPDF" s = shrinkIt shr s'
+    shrinkIt shr s | Just s' <- dropFromHead "file://" s = shrinkIt shr s'
+    shrinkIt shr s | Just s' <- dropFromHead "http://" s = shrinkIt shr s'
     shrinkIt _ s | n > 9 = s : map cut [2..(halfn-3)] ++ shrinkIt shrinkText s
                  where n = length s
                        halfn = n `div` 2
diff --git a/XMonad/Config/Gnome.hs b/XMonad/Config/Gnome.hs
index fff0d81..abb73f0 100644
--- a/XMonad/Config/Gnome.hs
+++ b/XMonad/Config/Gnome.hs
@@ -30,7 +30,7 @@ import qualified Data.Map as M
 -- > import XMonad.Config.Gnome
 -- >
 -- > main = xmonad gnomeConfig
--- 
+--
 
 gnomeConfig = desktopConfig
     { terminal = "gnome-terminal"
diff --git a/XMonad/Config/Kde.hs b/XMonad/Config/Kde.hs
index 3a69f16..374c647 100644
--- a/XMonad/Config/Kde.hs
+++ b/XMonad/Config/Kde.hs
@@ -32,7 +32,7 @@ import qualified Data.Map as M
 -- > main = xmonad kdeConfig
 --
 -- For KDE 4, replace 'kdeConfig' with 'kde4Config'
--- 
+--
 
 kdeConfig = desktopConfig
     { terminal = "konsole"
diff --git a/XMonad/Config/Monad.hs b/XMonad/Config/Monad.hs
index db29097..4294049 100644
--- a/XMonad/Config/Monad.hs
+++ b/XMonad/Config/Monad.hs
@@ -38,7 +38,7 @@ layout = fromSetGet (\x c -> c { layoutHook = x }) layoutHook
 terminal = fromSetGet (\x c -> c { X.terminal = x }) X.terminal
 keys = fromSetGet (\x c -> c { X.keys = x }) X.keys
 
-set :: Accessor (XConfig LayoutList) a -> a -> Config () 
+set :: Accessor (XConfig LayoutList) a -> a -> Config ()
 set r x = tell (mkW $ r ^= x)
 add r x = tell (mkW (r ^: mappend x))
 
diff --git a/XMonad/Config/Xfce.hs b/XMonad/Config/Xfce.hs
index 0a77734..0cf4dc8 100644
--- a/XMonad/Config/Xfce.hs
+++ b/XMonad/Config/Xfce.hs
@@ -29,7 +29,7 @@ import qualified Data.Map as M
 -- > import XMonad.Config.Xfce
 -- >
 -- > main = xmonad xfceConfig
--- 
+--
 
 xfceConfig = desktopConfig
     { terminal = "Terminal"
diff --git a/XMonad/Hooks/DynamicHooks.hs b/XMonad/Hooks/DynamicHooks.hs
index 002853d..9255b65 100644
--- a/XMonad/Hooks/DynamicHooks.hs
+++ b/XMonad/Hooks/DynamicHooks.hs
@@ -53,11 +53,11 @@ import Data.IORef
 -- You must include this @dynHooksRef@ value when using the functions in this
 -- module:
 --
--- > xmonad { keys = myKeys `Data.Map.union` Data.Map.fromList 
--- >                   [((modMask conf, xK_i), oneShotHook dynHooksRef 
--- >                    "FFlaunchHook" (className =? "firefox") (doShift "3") 
+-- > xmonad { keys = myKeys `Data.Map.union` Data.Map.fromList
+-- >                   [((modMask conf, xK_i), oneShotHook dynHooksRef
+-- >                    "FFlaunchHook" (className =? "firefox") (doShift "3")
 -- >                    >> spawn "firefox")
--- >                   ,((modMask conf, xK_u), addDynamicHook dynHooksRef 
+-- >                   ,((modMask conf, xK_u), addDynamicHook dynHooksRef
 -- >                     (className =? "example" --> doFloat))
 -- >                   ,((modMask conf, xK_y), updatePermanentHook dynHooksRef
 -- >                     (const idHook))) ]  -- resets the permanent hook.
@@ -66,7 +66,7 @@ import Data.IORef
 data DynamicHooks = DynamicHooks
     { transients :: [(Query Bool, ManageHook)]
     , permanent  :: ManageHook }
-      
+
 
 -- | Creates the 'IORef' that stores the dynamically created 'ManageHook's.
 initDynamicHooks :: IO (IORef DynamicHooks)
@@ -80,7 +80,7 @@ initDynamicHooks = newIORef (DynamicHooks { transients = [],
 -- doFloat and doIgnore are idempotent.
 -- | Master 'ManageHook' that must be in your @xmonad.hs@ 'ManageHook'.
 dynamicMasterHook :: IORef DynamicHooks -> ManageHook
-dynamicMasterHook ref = return True --> 
+dynamicMasterHook ref = return True -->
                   (ask >>= \w -> liftX (do
   dh <- io $ readIORef ref
   (Endo f)  <- runQuery (permanent dh) w
@@ -99,7 +99,7 @@ addDynamicHook ref m = updateDynamicHook ref (<+> m)
 
 -- | Modifies the permanent 'ManageHook' with an arbitrary function.
 updateDynamicHook :: IORef DynamicHooks -> (ManageHook -> ManageHook) -> X ()
-updateDynamicHook ref f = 
+updateDynamicHook ref f =
     io $ modifyIORef ref $ \dh -> dh { permanent = f (permanent dh) }
 
 
@@ -108,10 +108,10 @@ updateDynamicHook ref f =
 --
 -- > className =? "example" --> doFloat
 --
--- you must call 'oneShotHook' as 
+-- you must call 'oneShotHook' as
 --
 -- > oneShotHook dynHooksRef (className =? "example) doFloat
--- 
+--
 oneShotHook :: IORef DynamicHooks -> Query Bool -> ManageHook -> X ()
 oneShotHook ref q a =
   io $ modifyIORef ref
diff --git a/XMonad/Hooks/EwmhDesktops.hs b/XMonad/Hooks/EwmhDesktops.hs
index ade1b94..744beb8 100644
--- a/XMonad/Hooks/EwmhDesktops.hs
+++ b/XMonad/Hooks/EwmhDesktops.hs
@@ -100,7 +100,7 @@ ewmhDesktopsLogHookCustom f = withWindowSet $ \s -> do
                 setWindowDesktop win curr
 
     forM_ (W.hidden s) $ \w ->
-        case elemIndex (W.tag w) (map W.tag ws) of 
+        case elemIndex (W.tag w) (map W.tag ws) of
           Nothing -> return ()
           Just wn -> forM_ (W.integrate' (W.stack w)) $ \win -> do
                          setWindowDesktop win wn
diff --git a/XMonad/Hooks/FloatNext.hs b/XMonad/Hooks/FloatNext.hs
index 5527689..36fcfea 100644
--- a/XMonad/Hooks/FloatNext.hs
+++ b/XMonad/Hooks/FloatNext.hs
@@ -8,7 +8,7 @@
 -- Stability   :  unstable
 -- Portability :  unportable
 --
--- Hook and keybindings for automatically sending the next 
+-- Hook and keybindings for automatically sending the next
 -- spawned window(s) to the floating layer.
 --
 -----------------------------------------------------------------------------
@@ -72,11 +72,11 @@ floatModeMVar = unsafePerformIO $ newMVar (False, False)
 
 -- $usage
 -- This module provides actions (that can be set as keybindings)
--- to automatically send the next spawned window(s) to the floating 
+-- to automatically send the next spawned window(s) to the floating
 -- layer.
 --
 -- You can use it by including the following in your @~\/.xmonad\/xmonad.hs@:
--- 
+--
 -- > import XMonad.Hooks.FloatNext
 --
 -- and adding 'floatNextHook' to your 'ManageHook':
@@ -130,23 +130,23 @@ willFloatAllNew = _get snd
 
 -- $pp
 -- The following functions are used to display the current
--- state of 'floatNext' and 'floatAllNew' in your 
+-- state of 'floatNext' and 'floatAllNew' in your
 -- 'XMonad.Hooks.DynamicLog.dynamicLogWithPP'.
 -- 'willFloatNextPP' and 'willFloatAllNewPP' should be added
--- to the 'XMonad.Hooks.DynamicLog.ppExtras' field of your 
+-- to the 'XMonad.Hooks.DynamicLog.ppExtras' field of your
 -- 'XMonad.Hooks.DynamicLog.PP'.
 --
 -- Use 'runLogHook' to refresh the output of your 'logHook', so
 -- that the effects of a 'floatNext'/... will be visible
 -- immediately:
--- 
+--
 -- > , ((modMask, xK_e), toggleFloatNext >> runLogHook)
 --
 -- The @String -> String@ parameters to 'willFloatNextPP' and
--- 'willFloatAllNewPP' will be applied to their output, you 
+-- 'willFloatAllNewPP' will be applied to their output, you
 -- can use them to set the text color, etc., or you can just
 -- pass them 'id'.
- 
+
 willFloatNextPP :: (String -> String) -> X (Maybe String)
 willFloatNextPP = _pp fst "Next"
 
diff --git a/XMonad/Hooks/Place.hs b/XMonad/Hooks/Place.hs
index 9211f93..cf1186b 100644
--- a/XMonad/Hooks/Place.hs
+++ b/XMonad/Hooks/Place.hs
@@ -14,7 +14,7 @@
 
 module XMonad.Hooks.Place   ( -- * Usage
                               -- $usage
-                                                            
+
                               -- * Placement actions
                               placeFocused
                             , placeHook
@@ -53,7 +53,7 @@ import Control.Monad.Trans (lift)
 -- as an 'X' action to manually trigger repositioning.
 --
 -- You can use this module by including the following in your @~\/.xmonad\/xmonad.hs@:
--- 
+--
 -- > import XMonad.Hooks.Place
 --
 -- and adding 'placeHook' to your 'manageHook', for example:
@@ -61,7 +61,7 @@ import Control.Monad.Trans (lift)
 -- > main = xmonad $ defaultConfig { manageHook = placeHook simpleSmart
 -- >                                              <+> manageHook defaultConfig }
 --
--- Note that 'placeHook' should be applied after most other hooks, especially hooks 
+-- Note that 'placeHook' should be applied after most other hooks, especially hooks
 -- such as 'doFloat' and 'doShift'. Since hooks combined with '<+>' are applied from
 -- right to left, this means that 'placeHook' should be the /first/ hook in your chain.
 --
@@ -71,7 +71,7 @@ import Control.Monad.Trans (lift)
 -- > , ((modMask, xK_w), placeFocused simpleSmart)
 --
 -- Both 'placeHook' and 'placeFocused' take a 'Placement' parameter, which specifies
--- the placement policy to use (smart, under the mouse, fixed position, etc.). See 
+-- the placement policy to use (smart, under the mouse, fixed position, etc.). See
 -- 'Placement' for a list of available policies.
 
 
@@ -118,12 +118,12 @@ simpleSmart = inBounds $ smart (0,0)
 
 
 -- | Place windows at a fixed position
-fixed :: (Rational, Rational) -- ^ Where windows should go. 
-                              -- 
-                              --     * (0,0) -> top left of the screen 
-                              -- 
+fixed :: (Rational, Rational) -- ^ Where windows should go.
+                              --
+                              --     * (0,0) -> top left of the screen
+                              --
                               --     * (1,0) -> top right of the screen
-                              -- 
+                              --
                               --     * etc
       -> Placement
 fixed = Fixed
@@ -136,14 +136,14 @@ underMouse :: (Rational, Rational) -- ^ Where the pointer should be relative to
 underMouse = UnderMouse
 
 
--- | Apply the given placement policy, constraining the 
+-- | Apply the given placement policy, constraining the
 -- placed windows inside the screen boundaries.
-inBounds :: Placement -> Placement 
+inBounds :: Placement -> Placement
 inBounds = Bounds (0,0,0,0)
 
 
 -- | Same as 'inBounds', but allows specifying gaps along the screen's edges
-withGaps :: (Dimension, Dimension, Dimension, Dimension) 
+withGaps :: (Dimension, Dimension, Dimension, Dimension)
          -- ^ top, right, bottom and left gaps
          -> Placement -> Placement
 withGaps = Bounds
@@ -160,7 +160,7 @@ placeFocused :: Placement -> X ()
 placeFocused p = withFocused $ \window -> do
                    info <- gets $ screenInfo . S.current . windowset
                    floats <- gets $ M.keys . S.floating . windowset
-                   
+
                    r'@(Rectangle x' y' _ _) <- placeWindow p window info floats
 
                      -- use X.A.FloatKeys if the window is floating, send
@@ -182,8 +182,8 @@ placeHook p = do window <- ask
                           floats = M.keys $ S.floating theWS
 
                       guard(window `elem` floats )
-                      
-                        -- Look for the workspace(s) on which the window is to be 
+
+                        -- Look for the workspace(s) on which the window is to be
                         -- spawned. Each of them also needs an associated screen
                         -- rectangle; for hidden workspaces, we use the current
                         -- workspace's screen.
@@ -191,7 +191,7 @@ placeHook p = do window <- ask
                                      $ [screenInfo $ S.current theWS]
                                         ++ (map screenInfo $ S.visible theWS)
                                         ++ zip (S.hidden theWS) (repeat currentRect)
-                                           
+
                       guard(not $ null infos)
 
                       let (workspace, screen) = head infos
@@ -223,7 +223,7 @@ purePlaceWindow :: Placement -- ^ The placement strategy
                 -> (Position, Position) -- ^ The pointer's position.
                 -> Rectangle -- ^ The window to be placed
                 -> Rectangle
-purePlaceWindow (Bounds (t,r,b,l) p') (Rectangle sx sy sw sh) rs p w 
+purePlaceWindow (Bounds (t,r,b,l) p') (Rectangle sx sy sw sh) rs p w
   = let s' = (Rectangle (sx + fi l) (sy + fi t) (sw - l - r) (sh - t - b))
     in checkBounds s' $ purePlaceWindow p' s' rs p w
 
@@ -267,9 +267,9 @@ fi = fromIntegral
 
 r2rr :: Rectangle -> Rectangle -> S.RationalRect
 r2rr (Rectangle x0 y0 w0 h0) (Rectangle x y w h)
-  = S.RationalRect ((fi x-fi x0) % fi w0) 
-                   ((fi y-fi y0) % fi h0) 
-                   (fi w % fi w0) 
+  = S.RationalRect ((fi x-fi x0) % fi w0)
+                   ((fi y-fi y0) % fi h0)
+                   (fi w % fi w0)
                    (fi h % fi h0)
 
 
@@ -286,7 +286,7 @@ getWindowRectangle :: Window -> X Rectangle
 getWindowRectangle window
   = do d <- asks display
        (_, x, y, w, h, _, _) <- io $ getGeometry d window
-       
+
          -- We can't use the border width returned by
          -- getGeometry because it will be 0 if the
          -- window isn't mapped yet.
@@ -305,11 +305,11 @@ getAllRectangles = do ws <- gets windowset
                       return $ M.fromList $ zip allWindows allRects
 
 organizeClients :: S.Workspace a b Window -> Window -> [Window] -> [Window]
-organizeClients ws w floats 
-  = let (floatCs, layoutCs) = partition (`elem` floats) $ filter (/= w) 
+organizeClients ws w floats
+  = let (floatCs, layoutCs) = partition (`elem` floats) $ filter (/= w)
                               $ stackContents $ S.stack ws
     in reverse layoutCs ++ reverse floatCs
-      -- About the ordering: the smart algorithm will overlap windows 
+      -- About the ordering: the smart algorithm will overlap windows
       -- starting ith the head of the list. So:
       --  - we put the non-floating windows first since they'll
       --    probably be below the floating ones,
@@ -323,18 +323,18 @@ getPointer window = do d <- asks display
 
 -- | Return values are, in order: window's rectangle,
 -- other windows' rectangles and pointer's coordinates.
-getNecessaryData :: Window 
+getNecessaryData :: Window
                  -> S.Workspace WorkspaceId (Layout Window) Window
                  -> [Window]
                  -> X (Rectangle, [Rectangle], (Position, Position))
 getNecessaryData window ws floats
   = do r <- getWindowRectangle window
-       
+
        rs <- return (organizeClients ws window floats)
              >>= mapM getWindowRectangle
 
        pointer <- getPointer window
-                        
+
        return (r, rs, pointer)
 
 
@@ -343,7 +343,7 @@ getNecessaryData window ws floats
 {- Smart placement algorithm -}
 
 -- | Alternate representation for rectangles.
-data SmartRectangle a = SR 
+data SmartRectangle a = SR
   { sr_x0, sr_y0 :: a -- ^ Top left coordinates, inclusive
   , sr_x1, sr_y1 :: a -- ^ Bottom right coorsinates, exclusive
   } deriving (Show, Eq)
@@ -380,12 +380,12 @@ placeSmart :: (Rational, Rational) -- ^ point of the screen where windows
            -> Rectangle
 placeSmart (rx, ry) s@(Rectangle sx sy sw sh) rs w h
   = let free = map sr2r $ findSpace (r2sr s) (map r2sr rs) (fi w) (fi h)
-    in position free (scale rx sx (sx + fi sw - fi w)) 
-                     (scale ry sy (sy + fi sh - fi h)) 
+    in position free (scale rx sx (sx + fi sw - fi w))
+                     (scale ry sy (sy + fi sh - fi h))
                      w h
 
--- | Second part of the algorithm: 
--- Chooses the best position in which to place a window, 
+-- | Second part of the algorithm:
+-- Chooses the best position in which to place a window,
 -- according to a list of free areas and an ideal position for
 -- the top-left corner.
 -- We can't use semi-open surfaces for this, so we go back to
@@ -395,17 +395,17 @@ position :: [Rectangle] -- ^ Free areas
          -> Dimension -> Dimension -- ^ Width and height of the window
          -> Rectangle
 position rs x y w h = minimumBy distanceOrder $ map closest rs
-  where distanceOrder r1 r2 
+  where distanceOrder r1 r2
           = compare (distance (rect_x r1,rect_y r1) (x,y) :: Dimension)
                     (distance (rect_x r2,rect_y r2) (x,y) :: Dimension)
-        distance (x1,y1) (x2,y2) = truncate $ (sqrt :: Double -> Double) 
-                                   $ fi $ (x1 - x2)^(2::Int) 
+        distance (x1,y1) (x2,y2) = truncate $ (sqrt :: Double -> Double)
+                                   $ fi $ (x1 - x2)^(2::Int)
                                         + (y1 - y2)^(2::Int)
         closest r = checkBounds r (Rectangle x y w h)
 
 
 -- | First part of the algorithm:
--- Tries to find an area in which to place a new 
+-- Tries to find an area in which to place a new
 -- rectangle so that it overlaps as little as possible with
 -- other rectangles already present. The first rectangles in
 -- the list will be overlapped first.
@@ -425,10 +425,10 @@ findSpace total rs@(_:rs') w h
 
 -- | Subtracts smaller rectangles from a total rectangle
 -- , returning a list of remaining rectangular areas.
-subtractRects :: Real a => SmartRectangle a 
+subtractRects :: Real a => SmartRectangle a
                -> [SmartRectangle a] -> [SmartRectangle a]
 subtractRects total [] = [total]
-subtractRects total (r:rs) 
+subtractRects total (r:rs)
   = do total' <- subtractRects total rs
        filter (not . isEmpty)
                 [ total' {sr_y1 = min (sr_y1 total') (sr_y0 r)} -- Above
@@ -439,7 +439,7 @@ subtractRects total (r:rs)
 
 
 -- | "Nubs" a list of rectangles, dropping all those that are
--- already contained in another rectangle of the list. 
+-- already contained in another rectangle of the list.
 cleanup :: Real a => [SmartRectangle a] -> [SmartRectangle a]
 cleanup rs = foldr dropIfContained [] $ sortBy sizeOrder rs
 
@@ -453,7 +453,7 @@ sizeOrder r1 r2 | w1 < w2 = LT
                       h1 = height r1
                       h2 = height r2
 
-dropIfContained :: Real a => SmartRectangle a 
+dropIfContained :: Real a => SmartRectangle a
                 -> [SmartRectangle a] -> [SmartRectangle a]
 dropIfContained r rs  = if any (`contains` r) rs
                         then rs
diff --git a/XMonad/Hooks/XPropManage.hs b/XMonad/Hooks/XPropManage.hs
index adfe27b..50678a5 100644
--- a/XMonad/Hooks/XPropManage.hs
+++ b/XMonad/Hooks/XPropManage.hs
@@ -34,7 +34,7 @@ import XMonad.ManageHook ((-->))
 -- > import XMonad.Actions.TagWindows
 -- > import Data.List
 --
--- > manageHook = xPropManageHook xPropMatches 
+-- > manageHook = xPropManageHook xPropMatches
 -- >
 -- > xPropMatches :: [XPropMatch]
 -- > xPropMatches = [ ([ (wM_CLASS, any ("gimp"==))], (\w -> float w >> return (W.shift "2")))
@@ -71,7 +71,7 @@ xPropManageHook tms = mconcat $ map propToHook tms
     where
       propToHook (ms, f) = fmap and (mapM mkQuery ms) --> mkHook f
       mkQuery (a, tf)    = fmap tf (getQuery a)
-      mkHook func        = ask >>= Query . lift . fmap Endo . func 
+      mkHook func        = ask >>= Query . lift . fmap Endo . func
 
 getProp :: Display -> Window -> Atom -> X ([String])
 getProp d w p = do
diff --git a/XMonad/Layout/AutoMaster.hs b/XMonad/Layout/AutoMaster.hs
index 5e74331..7a912c8 100644
--- a/XMonad/Layout/AutoMaster.hs
+++ b/XMonad/Layout/AutoMaster.hs
@@ -9,7 +9,7 @@
 -- Stability   :  unstable
 -- Portability :  unportable
 --
--- Provides layout modifier AutoMaster. It separates screen in two parts - 
+-- Provides layout modifier AutoMaster. It separates screen in two parts -
 -- master and slave. Size of slave area automatically changes depending on
 -- number of slave windows.
 --
@@ -49,7 +49,7 @@ data AutoMaster a = AutoMaster Int Float Float
     deriving (Read,Show)
 
 instance LayoutModifier AutoMaster Window where
-    modifyLayout (AutoMaster k bias _) = autoLayout k bias 
+    modifyLayout (AutoMaster k bias _) = autoLayout k bias
     pureMess = autoMess
 
 -- | Handle Shrink/Expand and IncMasterN messages
@@ -101,7 +101,7 @@ slaveRect (Rectangle sx sy sw sh) n bias = Rectangle sx (sy+mh) sw h
     where mh = round $ (fromIntegral sh)*(masterHeight n bias)
           h  = round $ (fromIntegral sh)*(1-masterHeight n bias)
 
--- | Divide rectangle between windows 
+-- | Divide rectangle between windows
 divideRow :: Rectangle -> [a] -> [(a, Rectangle)]
 divideRow (Rectangle x y w h) ws = zip ws rects
     where n = length ws
@@ -109,7 +109,7 @@ divideRow (Rectangle x y w h) ws = zip ws rects
           oneRect = Rectangle x y (fromIntegral oneW) h
           rects = take n $ iterate (shiftR (fromIntegral oneW)) oneRect
 
--- | Shift rectangle right 
+-- | Shift rectangle right
 shiftR :: Position -> Rectangle -> Rectangle
 shiftR s (Rectangle x y w h) = Rectangle (x+s) y w h
 
diff --git a/XMonad/Layout/CenteredMaster.hs b/XMonad/Layout/CenteredMaster.hs
index 75462c7..41a3dc0 100644
--- a/XMonad/Layout/CenteredMaster.hs
+++ b/XMonad/Layout/CenteredMaster.hs
@@ -9,9 +9,9 @@
 -- Stability   :  unstable
 -- Portability :  unportable
 --
--- Two layout modifiers. centerMaster places master window at center, 
--- on top of all other windows, which are managed by base layout. 
--- topRightMaster is similar, but places master window in top right corner 
+-- Two layout modifiers. centerMaster places master window at center,
+-- on top of all other windows, which are managed by base layout.
+-- topRightMaster is similar, but places master window in top right corner
 -- instead of center.
 --
 -----------------------------------------------------------------------------
@@ -30,22 +30,22 @@ import qualified XMonad.StackSet as W
 
 -- $usage
 -- This module defines two new layout modifiers: centerMaster and topRightMaster.
--- centerMaster places master window at center of screen, on top of others. 
+-- centerMaster places master window at center of screen, on top of others.
 -- All other windows in background are managed by base layout.
 -- topRightMaster is like centerMaster, but places master window in top right corner instead of center.
--- 
+--
 -- Yo can use this module by adding folowing in your @xmonad.hs@:
 --
 -- > import XMonad.Layout.CenteredMaster
--- 
+--
 -- Then add layouts to your layoutHook:
--- 
+--
 -- > myLayoutHook = centerMaster Grid ||| ...
 
 -- | Function that decides where master window should be placed
 type Positioner = Rectangle -> Rectangle
 
--- | Data type for LayoutModifier 
+-- | Data type for LayoutModifier
 data CenteredMaster a = CenteredMaster deriving (Read,Show)
 
 instance LayoutModifier CenteredMaster Window where
@@ -56,12 +56,12 @@ data TopRightMaster a = TopRightMaster deriving (Read,Show)
 instance LayoutModifier TopRightMaster Window where
   modifyLayout TopRightMaster = applyPosition (topRight (3/7) (1/2))
 
--- | Modifier that puts master window in center, other windows in background 
+-- | Modifier that puts master window in center, other windows in background
 -- are managed by given layout
 centerMaster :: LayoutClass l a => l a -> ModifiedLayout CenteredMaster l a
 centerMaster = ModifiedLayout CenteredMaster
 
--- | Modifier that puts master window in top right corner, other windows in background 
+-- | Modifier that puts master window in top right corner, other windows in background
 -- are managed by given layout
 topRightMaster :: LayoutClass l a => l a -> ModifiedLayout TopRightMaster l a
 topRightMaster = ModifiedLayout TopRightMaster
diff --git a/XMonad/Layout/Column.hs b/XMonad/Layout/Column.hs
index 279525e..a77b3d8 100644
--- a/XMonad/Layout/Column.hs
+++ b/XMonad/Layout/Column.hs
@@ -65,7 +65,7 @@ mkRect (Rectangle xs ys ws _) (h,y) = Rectangle xs (ys+fromIntegral y) ws h
 xn :: Int -> Rectangle -> Float -> Int -> Dimension
 xn n (Rectangle _ _ _ h) q k = if q==1 then 
                                   h `div` (fromIntegral n)
-                               else 
+                               else
                                   round ((fromIntegral h)*q^(n-k)*(1-q)/(1-q^n))
 
 
diff --git a/XMonad/Layout/DragPane.hs b/XMonad/Layout/DragPane.hs
index 8f43d82..f78ca98 100644
--- a/XMonad/Layout/DragPane.hs
+++ b/XMonad/Layout/DragPane.hs
@@ -7,7 +7,7 @@
 --                    David Roundy <droundy@darcs.net>,
 --                    Andrea Rossato <andrea.rossato@unibz.it>
 -- License     :  BSD3-style (see LICENSE)
--- 
+--
 -- Maintainer  :  Andrea Rossato <andrea.rossato@unibz.it>
 -- Stability   :  unstable
 -- Portability :  unportable
@@ -29,7 +29,7 @@ module XMonad.Layout.DragPane (
 import XMonad
 import Data.Unique
 
-import qualified XMonad.StackSet as W 
+import qualified XMonad.StackSet as W
 import XMonad.Util.Invisible
 import XMonad.Util.XUtils
 
@@ -56,8 +56,8 @@ handleColor = "#000000"
 dragPane :: DragType -> Double -> Double -> DragPane a
 dragPane t x y = DragPane (I Nothing) t x y
 
-data DragPane a = 
-    DragPane (Invisible Maybe (Window,Rectangle,Int)) DragType Double Double 
+data DragPane a =
+    DragPane (Invisible Maybe (Window,Rectangle,Int)) DragType Double Double
              deriving ( Show, Read )
 
 data DragType = Horizontal | Vertical deriving ( Show, Read )
@@ -86,7 +86,7 @@ handleMess d@(DragPane mb@(I (Just (win,_,ident))) ty delta split) x
 handleMess _ _ = return Nothing
 
 handleEvent :: DragPane a -> Event -> X ()
-handleEvent (DragPane (I (Just (win,r,ident))) ty _ _) 
+handleEvent (DragPane (I (Just (win,r,ident))) ty _ _)
             (ButtonEvent {ev_window = thisw, ev_subwindow = thisbw, ev_event_type = t })
     | t == buttonPress && thisw == win || thisbw == win  = do
   mouseDrag (\ex ey -> do
@@ -114,12 +114,12 @@ doLay mirror (DragPane mw ty delta split) r s = do
               [] -> case W.down s of
                       (next:_) -> [(W.focus s,left),(next,right)]
                       [] -> [(W.focus s, r)]
-  if length wrs > 1 
+  if length wrs > 1
      then case mw of
-            I (Just (w,_,ident)) -> do 
+            I (Just (w,_,ident)) -> do
                     w' <- deleteWindow w >> newDragWin handr
                     return (wrs, Just $ DragPane (I $ Just (w',r',ident)) ty delta split)
-            I Nothing -> do 
+            I Nothing -> do
                     w <- newDragWin handr
                     i <- io $ newUnique
                     return (wrs, Just $ DragPane (I $ Just (w,r',hashUnique i)) ty delta split)
diff --git a/XMonad/Layout/LayoutBuilder.hs b/XMonad/Layout/LayoutBuilder.hs
index c2e1d8a..0b16a93 100644
--- a/XMonad/Layout/LayoutBuilder.hs
+++ b/XMonad/Layout/LayoutBuilder.hs
@@ -51,7 +51,7 @@ import Control.Monad
 -- >             ( (layoutN 1 (absBox (-512-200) 0 512        0) (Just $ relBox 0 0 1 1) $ simpleTabbed)
 -- >             $ (layoutN 1 (absBox (-200)     0 0          0) Nothing                 $ simpleTabbed)
 -- >             $ (layoutAll (absBox 0          0 (-512-200) 0)                         $ simpleTabbed)
--- >             ) ||| Full ||| etc... 
+-- >             ) ||| Full ||| etc...
 -- > main = xmonad defaultConfig { layoutHook = myLayouts }
 --
 -- This will produce a layout similar to DragPane, but with the possibility to have multiple windows in the left half
diff --git a/XMonad/Layout/LayoutHints.hs b/XMonad/Layout/LayoutHints.hs
index 5925972..3b324fd 100644
--- a/XMonad/Layout/LayoutHints.hs
+++ b/XMonad/Layout/LayoutHints.hs
@@ -92,7 +92,7 @@ data LayoutHints a = LayoutHints (Double, Double)
 instance LayoutModifier LayoutHints Window where
     modifierDescription _ = "Hinted"
     redoLayout _ _ Nothing  xs = return (xs, Nothing)
-    redoLayout (LayoutHints al) _ (Just s) xs 
+    redoLayout (LayoutHints al) _ (Just s) xs
         = do xs' <- mapM (\x@(_, r) -> second (placeRectangle al r) <$> applyHint x) xs
              return (xs', Nothing)
      where
diff --git a/XMonad/Layout/Monitor.hs b/XMonad/Layout/Monitor.hs
index f5d7de9..5d13830 100644
--- a/XMonad/Layout/Monitor.hs
+++ b/XMonad/Layout/Monitor.hs
@@ -47,14 +47,14 @@ import Control.Monad
 -- and 'rect' should be set here. Also consider setting 'persistent' to True.
 --
 -- Minimal example:
---    
+--
 -- > myMonitor = monitor
 -- >     { prop = ClassName "SomeClass"
 -- >     , rect = Rectangle 0 0 40 20 -- rectangle 40x20 in upper left corner
--- >     } 
+-- >     }
 --
 -- More interesting example:
---         
+--
 -- > clock = monitor {
 -- >      -- Cairo-clock creates 2 windows with the same classname, thus also using title
 -- >      prop = ClassName "Cairo-clock" `And` Title "MacSlow's Cairo-Clock"
@@ -71,19 +71,19 @@ import Control.Monad
 -- >    }
 --
 -- Add ManageHook to de-manage monitor windows and apply opacity settings.
--- 
+--
 -- > manageHook = myManageHook <+> manageMonitor clock
--- 
+--
 -- Apply layout modifier.
--- 
+--
 -- > myLayouts = ModifiedLayout clock $ tall ||| Full ||| ...
--- 
+--
 -- After that, if there exists a window with specified properties, it will be
 -- displayed on top of all /tiled/ (not floated) windows on specified
 -- position.
 --
 -- It's also useful to add some keybinding to toggle monitor visibility:
--- 
+--
 -- > , ((mod1Mask, xK_u     ), broadcastMessage ToggleMonitor >> refresh)
 --
 -- Screenshot: <http://www.haskell.org/haskellwiki/Image:Xmonad-clock.png>
@@ -145,7 +145,7 @@ instance LayoutModifier Monitor Window where
             if name mon == n then Just $ mon { visible = False } else Nothing
         | Just Hide <- fromMessage mess = do unless (persistent mon) $ withMonitor (prop mon) () hide; return Nothing
         | otherwise = return Nothing
-        
+
 -- | ManageHook which demanages monitor window and applies opacity settings.
 manageMonitor :: Monitor a -> ManageHook
 manageMonitor mon = propertyToQuery (prop mon) --> do
diff --git a/XMonad/Layout/MosaicAlt.hs b/XMonad/Layout/MosaicAlt.hs
index 8bae199..d06d7fd 100644
--- a/XMonad/Layout/MosaicAlt.hs
+++ b/XMonad/Layout/MosaicAlt.hs
@@ -5,12 +5,12 @@
 -- Module      :  XMonad.Layout.MosaicAlt
 -- Copyright   :  (c) 2007 James Webb
 -- License     :  BSD-style (see xmonad/LICENSE)
--- 
+--
 -- Maintainer  :  xmonad#jwebb,sygneca,com
 -- Stability   :  unstable
 -- Portability :  unportable
 --
--- A layout which gives each window a specified amount of screen space 
+-- A layout which gives each window a specified amount of screen space
 -- relative to the others. Compared to the 'Mosaic' layout, this one
 -- divides the space in a more balanced way.
 --
diff --git a/XMonad/Layout/OneBig.hs b/XMonad/Layout/OneBig.hs
index 73f1adb..be38e13 100644
--- a/XMonad/Layout/OneBig.hs
+++ b/XMonad/Layout/OneBig.hs
@@ -54,7 +54,7 @@ oneBigMessage (OneBig cx cy) m = fmap resize (fromMessage m)
 
 -- | Main layout function
 oneBigLayout :: OneBig a -> Rectangle -> W.Stack a -> [(a, Rectangle)]
-oneBigLayout (OneBig cx cy) rect stack = [(master,masterRect)] 
+oneBigLayout (OneBig cx cy) rect stack = [(master,masterRect)]
                                       ++ (divideBottom bottomRect bottomWs)
                                       ++ (divideRight rightRect rightWs)
       where ws = W.integrate stack
@@ -106,7 +106,7 @@ cright cx cy (Rectangle sx sy sw sh) = Rectangle x sy w h
           x = round (fromIntegral sw*cx+(fromIntegral sx))
           h = round (fromIntegral sh*cy)
 
--- | Divide bottom rectangle between windows 
+-- | Divide bottom rectangle between windows
 divideBottom :: Rectangle -> [a] -> [(a, Rectangle)]
 divideBottom (Rectangle x y w h) ws = zip ws rects
     where n = length ws
@@ -122,7 +122,7 @@ divideRight (Rectangle x y w h) ws = if (n==0) then [] else zip ws rects
           oneRect = Rectangle x y w (fromIntegral oneH)
           rects = take n $ iterate (shiftB (fromIntegral oneH)) oneRect
 
--- | Shift rectangle right 
+-- | Shift rectangle right
 shiftR :: Position -> Rectangle -> Rectangle
 shiftR s (Rectangle x y w h) = Rectangle (x+s) y w h
 
diff --git a/XMonad/Layout/Roledex.hs b/XMonad/Layout/Roledex.hs
index e5b1101..1d4343e 100644
--- a/XMonad/Layout/Roledex.hs
+++ b/XMonad/Layout/Roledex.hs
@@ -27,7 +27,7 @@ import Data.Ratio
 -- $usage
 -- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
 --
--- > import XMonad.Layout.Roledex 
+-- > import XMonad.Layout.Roledex
 --
 -- Then edit your @layoutHook@ by adding the Roledex layout:
 --
@@ -51,8 +51,8 @@ roledexLayout sc ws = return ([(W.focus ws, mainPane)] ++
  where ups    = W.up ws
        dns    = W.down ws
        c = length ups + length dns
-       rect = fst $ splitHorizontallyBy (2%3 :: Ratio Int) $ fst (splitVerticallyBy (2%3 :: Ratio Int) sc) 
-       gw = div' (w - rw) (fromIntegral c) 
+       rect = fst $ splitHorizontallyBy (2%3 :: Ratio Int) $ fst (splitVerticallyBy (2%3 :: Ratio Int) sc)
+       gw = div' (w - rw) (fromIntegral c)
             where
             (Rectangle _ _ w _) = sc
             (Rectangle _ _ rw _) = rect
@@ -60,12 +60,12 @@ roledexLayout sc ws = return ([(W.focus ws, mainPane)] ++
             where
             (Rectangle _ _ _ h) = sc
             (Rectangle _ _ _ rh) = rect
-       mainPane = mrect (gw * fromIntegral c) (gh * fromIntegral c) rect 
+       mainPane = mrect (gw * fromIntegral c) (gh * fromIntegral c) rect
        mrect  mx my (Rectangle x y w h) = Rectangle (x + (fromIntegral mx)) (y + (fromIntegral my)) w h
        tops    = map f $ cd c (length dns)
        bottoms = map f $ [0..(length dns)]
        f n = mrect (gw * (fromIntegral n)) (gh * (fromIntegral n)) rect
-       cd n m = if n > m 
+       cd n m = if n > m
                 then (n - 1) : (cd (n-1) m)
                 else []
 
diff --git a/XMonad/Layout/Spacing.hs b/XMonad/Layout/Spacing.hs
index 1ff2202..1904638 100644
--- a/XMonad/Layout/Spacing.hs
+++ b/XMonad/Layout/Spacing.hs
@@ -33,7 +33,7 @@ import XMonad.Layout.LayoutModifier
 --
 -- and modifying your layoutHook as follows (for example):
 --
--- > layoutHook = spacing 2 $ Tall 1 (3/100) (1/2)  
+-- > layoutHook = spacing 2 $ Tall 1 (3/100) (1/2)
 -- >                      -- put a 2px space around every window
 --
 
diff --git a/XMonad/Layout/Tabbed.hs b/XMonad/Layout/Tabbed.hs
index 41aff9c..fbd8600 100644
--- a/XMonad/Layout/Tabbed.hs
+++ b/XMonad/Layout/Tabbed.hs
@@ -54,7 +54,7 @@ import XMonad.Layout.Simplest ( Simplest(Simplest) )
 -- > main = xmonad defaultConfig { layoutHook = myLayouts }
 --
 -- This layout has hardcoded behaviour for mouse clicks on tab decorations:
--- Left click on the tab switches focus to that window. 
+-- Left click on the tab switches focus to that window.
 -- Middle click on the tab closes the window.
 --
 -- The default Tabbar behaviour is to hide it when only one window is open
@@ -99,21 +99,21 @@ simpleTabbedBottomAlways = tabbedBottomAlways shrinkText defaultTheme
 
 -- | A layout decorated with tabs and the possibility to set a custom
 -- shrinker and theme.
-tabbed     :: (Eq a, Shrinker s) => s -> Theme 
+tabbed     :: (Eq a, Shrinker s) => s -> Theme
            -> ModifiedLayout (Decoration TabbedDecoration s) Simplest a
 tabbed s c = addTabs s c Simplest
 
-tabbedAlways     :: (Eq a, Shrinker s) => s -> Theme 
+tabbedAlways     :: (Eq a, Shrinker s) => s -> Theme
                  -> ModifiedLayout (Decoration TabbedDecoration s) Simplest a
 tabbedAlways s c = addTabsAlways s c Simplest
 
 -- | A layout decorated with tabs at the bottom and the possibility to set a custom
 -- shrinker and theme.
-tabbedBottom     :: (Eq a, Shrinker s) => s -> Theme 
+tabbedBottom     :: (Eq a, Shrinker s) => s -> Theme
                  -> ModifiedLayout (Decoration TabbedDecoration s) Simplest a
 tabbedBottom s c = addTabsBottom s c Simplest
 
-tabbedBottomAlways     :: (Eq a, Shrinker s) => s -> Theme 
+tabbedBottomAlways     :: (Eq a, Shrinker s) => s -> Theme
                        -> ModifiedLayout (Decoration TabbedDecoration s) Simplest a
 tabbedBottomAlways s c = addTabsBottomAlways s c Simplest
 
@@ -160,13 +160,13 @@ instance Eq a => DecorationStyle TabbedDecoration a where
                                              , ev_button     = eb }
         | et == buttonPress
         , Just ((w,_),_) <-findWindowByDecoration ew ds =
-           if eb == button2 
+           if eb == button2
                then killWindow w
                else focus w
     decorationMouseFocusHook _ _ _ = return ()
 
     decorationMouseDragHook _ _ _ = return ()
-    pureDecoration (Tabbed lc sh) _ ht _ s wrs (w,r@(Rectangle x y wh hh)) 
+    pureDecoration (Tabbed lc sh) _ ht _ s wrs (w,r@(Rectangle x y wh hh))
         = if ((sh == Always && numWindows > 0) || numWindows > 1)
           then Just $ case lc of
                         Top -> upperTab
@@ -179,7 +179,7 @@ instance Eq a => DecorationStyle TabbedDecoration a where
               upperTab = Rectangle nx y wid (fi ht)
               lowerTab = Rectangle nx (y+fi(hh-ht)) wid (fi ht)
               numWindows = length ws
-    shrink (Tabbed loc _ ) (Rectangle _ _ _ dh) (Rectangle x y w h) 
+    shrink (Tabbed loc _ ) (Rectangle _ _ _ dh) (Rectangle x y w h)
         = case loc of
             Top -> Rectangle x (y + fi dh) w (h - dh)
             Bottom -> Rectangle x y w (h - dh)
diff --git a/XMonad/Layout/TwoPane.hs b/XMonad/Layout/TwoPane.hs
index 941209a..ef43ae1 100644
--- a/XMonad/Layout/TwoPane.hs
+++ b/XMonad/Layout/TwoPane.hs
@@ -5,7 +5,7 @@
 -- Module      :  XMonad.Layout.TwoPane
 -- Copyright   :  (c) Spencer Janssen <spencerjanssen@gmail.com>
 -- License     :  BSD3-style (see LICENSE)
--- 
+--
 -- Maintainer  :  Spencer Janssen <spencerjanssen@gmail.com>
 -- Stability   :  unstable
 -- Portability :  unportable
@@ -39,8 +39,8 @@ import XMonad.StackSet ( focus, up, down)
 --
 -- "XMonad.Doc.Extending#Editing_the_layout_hook"
 
-data TwoPane a = 
-    TwoPane Rational Rational 
+data TwoPane a =
+    TwoPane Rational Rational
     deriving ( Show, Read )
 
 instance LayoutClass TwoPane a where
@@ -53,7 +53,7 @@ instance LayoutClass TwoPane a where
                                       [] -> [(focus st, rect)]
               where (left, right) = splitHorizontallyBy split rect
 
-    handleMessage (TwoPane delta split) x = 
+    handleMessage (TwoPane delta split) x =
         return $ case fromMessage x of
                    Just Shrink -> Just (TwoPane delta (split - delta))
                    Just Expand -> Just (TwoPane delta (split + delta))
diff --git a/XMonad/Prompt.hs b/XMonad/Prompt.hs
index c91fe64..eb25fba 100644
--- a/XMonad/Prompt.hs
+++ b/XMonad/Prompt.hs
@@ -719,7 +719,7 @@ writeHistory :: History -> IO ()
 writeHistory hist = do
   path <- getHistoryFile
   catch (writeFile path (show hist)) $ const $ hPutStrLn stderr "error in writing"
-  setFileMode path mode 
+  setFileMode path mode
     where mode = ownerReadMode .|. ownerWriteMode
 
 -- $xutils
diff --git a/XMonad/Prompt/AppLauncher.hs b/XMonad/Prompt/AppLauncher.hs
index 5da089f..7af348b 100644
--- a/XMonad/Prompt/AppLauncher.hs
+++ b/XMonad/Prompt/AppLauncher.hs
@@ -8,7 +8,7 @@
 -- Stability   :  unstable
 -- Portability :  unportable
 --
--- A module for launch applicationes that receive parameters in the command 
+-- A module for launch applicationes that receive parameters in the command
 -- line. The launcher call a prompt to get the parameters.
 --
 -----------------------------------------------------------------------------
@@ -31,7 +31,7 @@ import XMonad.Prompt.Shell (getShellCompl)
    you want to open a image in gimp program, you can open gimp and then use
    the File Menu to open the image or you can use this module to select
    the image in the command line.
-   
+
    We use Prompt to get the user command line. This also allow to autoexpand
    the names of the files when we are writing the command line.
  -}
diff --git a/XMonad/Util/Invisible.hs b/XMonad/Util/Invisible.hs
index f387158..0c3452c 100644
--- a/XMonad/Util/Invisible.hs
+++ b/XMonad/Util/Invisible.hs
@@ -5,7 +5,7 @@
 -- Module      :  XMonad.Util.Invisible
 -- Copyright   :  (c) 2007 Andrea Rossato, David Roundy
 -- License     :  BSD-style (see xmonad/LICENSE)
--- 
+--
 -- Maintainer  :  andrea.rossato@unibz.it, droundy@darcs.net
 -- Stability   :  unstable
 -- Portability :  unportable
@@ -14,7 +14,7 @@
 --
 -----------------------------------------------------------------------------
 
-module XMonad.Util.Invisible ( 
+module XMonad.Util.Invisible (
                              -- * Usage:
                              -- $usage
                              Invisible (..)
diff --git a/XMonad/Util/WindowProperties.hs b/XMonad/Util/WindowProperties.hs
index 509d430..6fcf926 100644
--- a/XMonad/Util/WindowProperties.hs
+++ b/XMonad/Util/WindowProperties.hs
@@ -38,7 +38,7 @@ data Property = Title String
               | ClassName String
               | Resource String
               | Role String -- ^ WM_WINDOW_ROLE property
-              | And Property Property  
+              | And Property Property
               | Or  Property Property
               | Not Property
               | Const Bool