Fix Haskell2010 incompatibilities

XMonad/Actions/PhysicalScreens.hs

@@ -88,8 +88,8 @@ getScreen (ScreenComparator cmpScreen) (P i) = do w <- gets windowset
 viewScreen :: ScreenComparator -> PhysicalScreen -> X ()
 viewScreen sc p = do i <- getScreen sc p
                      whenJust i $ \s -> do
-                     w <- screenWorkspace s
-                     whenJust w $ windows . W.view
+                         w <- screenWorkspace s
+                         whenJust w $ windows . W.view
 
 -- | Send the active window to a given physical screen
 sendToScreen :: ScreenComparator -> PhysicalScreen -> X ()

XMonad/Hooks/DebugEvents.hs

@@ -152,12 +152,12 @@ debugEventsHook' PropertyEvent         {ev_window    = w
   a' <- atomName a
   -- too many of these, and they're not real useful
   if a' == "_NET_WM_USER_TIME" then return () else do
-  windowEvent "Property on" w
-  s' <- case s of
-          1 -> return "deleted"
-          0 -> dumpProperty a a' w (7 + length a')
-          _ -> error "Illegal propState; Xlib corrupted?"
-  say "  atom" $ a' ++ s'
+    windowEvent "Property on" w
+    s' <- case s of
+            1 -> return "deleted"
+            0 -> dumpProperty a a' w (7 + length a')
+            _ -> error "Illegal propState; Xlib corrupted?"
+    say "  atom" $ a' ++ s'
 
 debugEventsHook' ExposeEvent           {ev_window = w
                                        } =
@@ -812,10 +812,10 @@ dumpUTF :: Decoder Bool
 dumpUTF =  do
   uTF8_STRING <- inX $ getAtom "UTF8_STRING"
   guardType uTF8_STRING $ guardSize 8 $ do
-  s <- gets value
-  modify (\r -> r {value = []})
-  append . show . decode . map fromIntegral $ s
-  return True
+    s <- gets value
+    modify (\r -> r {value = []})
+    append . show . decode . map fromIntegral $ s
+    return True
 
 -- dump an enumerated value using a translation table
 dumpEnum'        :: [String] -> Atom -> Decoder Bool

XMonad/Layout/NoBorders.hs

@@ -273,10 +273,10 @@ instance SetsAmbiguous Ambiguity where
                 guard $ case amb of
                     OnlyLayoutFloatBelow ->
                         let vu = do
-                            gr           <- sr `R.difference` lr
-                            (i2,_w2,wr2) <- ts ++ fs
-                            guard $ i2 < i1
-                            [wr2 `R.intersects` gr]
+                                gr           <- sr `R.difference` lr
+                                (i2,_w2,wr2) <- ts ++ fs
+                                guard $ i2 < i1
+                                [wr2 `R.intersects` gr]
                         in lr == wr1 && (not . or) vu
                     OnlyLayoutFloat ->
                         lr == wr1