diff --git a/tests/raytrace/Data.hs b/tests/raytrace/Data.hs
index 11e12ab79f52854b546edb65f25e333a122e2ef0..cb0b2bfbb71555b8350eba85ebcd0c7269f34b24 100644
--- a/tests/raytrace/Data.hs
+++ b/tests/raytrace/Data.hs
@@ -7,7 +7,7 @@ module Data where
 
 import Array
 
-import CSG      
+import CSG
 import Geometry
 import Illumination
 import Primitives
@@ -47,14 +47,14 @@ instance Show GMLToken where
    showsPrec p (TReal d)    = shows d
    showsPrec p (TString s)  = shows s
    showsPrec p (TBody code) = shows code
-   showsPrec p (TArray code) = showString "[ " 
-                            . foldr (\ a b -> a . showChar ' ' . b) id (map shows code) 
+   showsPrec p (TArray code) = showString "[ "
+                            . foldr (\ a b -> a . showChar ' ' . b) id (map shows code)
                             . showString "]"
-   showsPrec p (TApply)     = showString "apply" 
-   showsPrec p (TIf)        = showString "if" 
+   showsPrec p (TApply)     = showString "apply"
+   showsPrec p (TIf)        = showString "if"
 
-   showList  code = showString "{ " 
-                  . foldr (\ a b -> a . showChar ' ' . b) id (map shows code) 
+   showList  code = showString "{ "
+                  . foldr (\ a b -> a . showChar ' ' . b) id (map shows code)
                   . showString "}"
 
 
@@ -71,12 +71,12 @@ data GMLValue
 	| VArray   (Array Int GMLValue)		-- FIXME: Haskell array
         -- uses the interpreter version of point
 	| VPoint   { xPoint :: !Double
-                   , yPoint :: !Double 
-                   , zPoint :: !Double 
-                   } 
+                   , yPoint :: !Double
+                   , zPoint :: !Double
+                   }
         -- these are abstract to the interpreter
 	| VObject  Object
-	| VLight   Light 
+	| VLight   Light
 	-- This is an abstract object, used by the abstract interpreter
 	| VAbsObj  AbsObj
 
@@ -84,9 +84,9 @@ data GMLValue
 -- There are only *3* basic abstract values,
 -- and the combinators also.
 
-data AbsObj 
-    = AbsFACE 
-    | AbsU 
+data AbsObj
+    = AbsFACE
+    | AbsU
     | AbsV
       deriving (Show)
 
@@ -99,9 +99,9 @@ showStkEle (VInt i)       = show i ++ " :: Int"
 showStkEle (VReal r)      = show r ++ " :: Real"
 showStkEle (VString s)    = show s ++ " :: String"
 showStkEle (VClosure {})  = "<closure> :: Closure"
-showStkEle (VArray arr)   
+showStkEle (VArray arr)
      = "<array (" ++  show (succ (snd (bounds arr))) ++ " elements)> :: Array"
-showStkEle (VPoint x y z) = "(" ++ show x 
+showStkEle (VPoint x y z) = "(" ++ show x
                          ++ "," ++ show y
                          ++ "," ++ show z
                          ++ ") :: Point"
@@ -123,7 +123,7 @@ lookupEnv :: Env -> Name -> Maybe GMLValue
 lookupEnv (Env e) n = lookup n e
 
 -- All primitive operators
--- 
+--
 -- There is no Op_apply, Op_false, Op_true and Op_if
 -- (because they appear explcitly in the rules).
 
@@ -199,7 +199,7 @@ opTable :: [(Name,GMLToken)]
 opTable = [ (kwd,op) | (kwd,op,_) <- opcodes ]
 
 opNameTable :: Array GMLOp Name
-opNameTable = array (minBound,maxBound) 
+opNameTable = array (minBound,maxBound)
 	          [ (op,name) | (name,TOp op,_) <- opcodes ]
 
 undef = error "undefined function"
@@ -253,7 +253,7 @@ opcodes =
  , ("real",	  Op_real, 	 Int_Real fromIntegral)
  , ("render",	  Op_render, 	 Render $ render eye)
  , ("rotatex",	  Op_rotatex, 	 Obj_Real_Obj (\ o d -> rotateX (deg2rad d) o))
- , ("rotatey",	  Op_rotatey, 	 Obj_Real_Obj (\ o d -> rotateY (deg2rad d) o)) 
+ , ("rotatey",	  Op_rotatey, 	 Obj_Real_Obj (\ o d -> rotateY (deg2rad d) o))
  , ("rotatez",	  Op_rotatez, 	 Obj_Real_Obj (\ o d -> rotateZ (deg2rad d) o))
  , ("scale",	  Op_scale, 	 Obj_Real_Real_Real_Obj (\ o x y z -> scale (x,y,z) o))
  , ("sin",	  Op_sin, 	 Real_Real (sin . deg2rad))
@@ -275,7 +275,7 @@ opcodes =
 
 data PrimOp
 
-    -- 1 argument 
+    -- 1 argument
     = Int_Int         (Int -> Int)
     | Real_Real       (Double -> Double)
     | Point_Real      (Double -> Double -> Double -> Double)
@@ -284,7 +284,7 @@ data PrimOp
     | Int_Real        (Int -> Double)
     | Arr_Int         (Array Int GMLValue -> Int)
 
-    -- 2 arguments 
+    -- 2 arguments
     | Int_Int_Int     (Int -> Int -> Int)
     | Int_Int_Bool    (Int -> Int -> Bool)
     | Real_Real_Real  (Double -> Double -> Double)
@@ -300,26 +300,26 @@ data PrimOp
     | Obj_Real_Real_Real_Obj (Object -> Double -> Double -> Double -> Object)
     | Value_String_Value     (GMLValue -> String -> GMLValue)
 
-    | Point_Point_Color_Real_Real_Light 
+    | Point_Point_Color_Real_Real_Light
                              (Coords -> Coords -> Color -> Radian -> Radian -> Light)
     -- And finally render
     | Render                 (Color -> [Light] -> Object -> Int -> Double -> Int -> Int -> String -> IO ())
 
-data Type 
-    = TyBool 
-    | TyInt 
-    | TyReal 
-    | TyString 
-    | TyCode 
-    | TyArray 
-    | TyPoint 
-    | TyObject 
+data Type
+    = TyBool
+    | TyInt
+    | TyReal
+    | TyString
+    | TyCode
+    | TyArray
+    | TyPoint
+    | TyObject
     | TyLight
     | TyAlpha
     | TyAbsObj
       deriving (Eq,Ord,Ix,Bounded)
 
-typeTable = 
+typeTable =
   [ ( TyBool,   "Bool")
   , ( TyInt,    "Int")
   , ( TyReal,   "Real")
@@ -357,7 +357,7 @@ getPrimOpType (Real_Real_Real_Point   _) = [TyReal,TyReal,TyReal]
 getPrimOpType (Obj_Real_Obj           _) = [TyObject,TyReal]
 getPrimOpType (Obj_Real_Real_Real_Obj _) = [TyObject,TyReal,TyReal,TyReal]
 getPrimOpType (Value_String_Value     _) = [TyAlpha,TyString]
-getPrimOpType (Point_Point_Color_Real_Real_Light _) 
+getPrimOpType (Point_Point_Color_Real_Real_Light _)
                                          = [TyPoint,TyPoint,TyPoint,TyReal,TyReal]
 getPrimOpType (Render                 _) = [TyPoint,
                                             TyLight,
@@ -377,9 +377,9 @@ mytrace v s = trace (s ++" : "++ show v ++ "\n") v
 ixGet :: Array Int GMLValue -> Int -> GMLValue
 ixGet arr i
    | inRange (bounds arr) i = arr ! i
-   | otherwise = error ("failed access with index value " 
-                     ++ show i 
-                     ++ " (should be between 0 and " 
+   | otherwise = error ("failed access with index value "
+                     ++ show i
+                     ++ " (should be between 0 and "
                      ++ show (snd (bounds arr)) ++ ")")
 
 ourQuot :: Int -> Int -> Int
diff --git a/tests/raytrace/Eval.hs b/tests/raytrace/Eval.hs
index 75568f0b04d95035b46a092b07e06497adf83be3..675612c3129129b8140db99c74ee2387e3263ce9 100644
--- a/tests/raytrace/Eval.hs
+++ b/tests/raytrace/Eval.hs
@@ -28,7 +28,7 @@ instance Monad Pure where
     fail s       = error s
 
 instance MonadEval Pure where
-  doOp   = doPureOp 
+  doOp   = doPureOp
   err  s = error s
 
 instance MonadEval IO where
@@ -62,7 +62,7 @@ eval st =
             }
         else return (stack st)
      }
-     
+
 moreCode :: State -> Bool
 moreCode (State {code = []}) = False
 moreCode _                   = True
@@ -73,13 +73,13 @@ moreCode _                   = True
 step :: MonadEval m => State -> m State
 
 -- Rule 1: Pushing BaseValues
-step st@(State{ stack = stack, code = (TBool b):cs })    
+step st@(State{ stack = stack, code = (TBool b):cs })
     = return (st { stack = (VBool b):stack,    code = cs })
-step st@(State{ stack = stack, code = (TInt i):cs })     
+step st@(State{ stack = stack, code = (TInt i):cs })
     = return (st { stack = (VInt i):stack,     code = cs })
-step st@(State{ stack = stack, code = (TReal r):cs })    
+step st@(State{ stack = stack, code = (TReal r):cs })
     = return (st { stack = (VReal r):stack,    code = cs })
-step st@(State{ stack = stack, code = (TString s):cs })  
+step st@(State{ stack = stack, code = (TString s):cs })
     = return (st { stack = (VString s):stack,  code = cs })
 
 -- Rule 2: Name binding
@@ -142,14 +142,14 @@ step _ = err "Tripped on sidewalk while stepping."
 -- Operator code
 
 opFnTable :: Array GMLOp PrimOp
-opFnTable = array (minBound,maxBound) 
+opFnTable = array (minBound,maxBound)
 	          [ (op,prim) | (_,TOp op,prim) <- opcodes ]
 
 
 
 
 doPureOp :: (MonadEval m) => PrimOp -> GMLOp -> Stack -> m Stack
-doPureOp _ Op_render _ = 
+doPureOp _ Op_render _ =
     err ("\nAttempting to call render from inside a purely functional callback.")
 doPureOp primOp op stk = doPrimOp primOp op stk -- call the purely functional operators
 
@@ -171,21 +171,21 @@ doPrimOp (Point_Real fn) _ (VPoint x y z:stk)
 -- This is where the callbacks happen from...
 doPrimOp (Surface_Obj fn) _ (VClosure env code:stk)
   = case absapply env code [VAbsObj AbsFACE,VAbsObj AbsU,VAbsObj AbsV] of
-      Just [VReal r3,VReal r2,VReal r1,VPoint c1 c2 c3] -> 
+      Just [VReal r3,VReal r2,VReal r1,VPoint c1 c2 c3] ->
            let
 	       res = prop (color c1 c2 c3) r1 r2 r3
            in
                return ((VObject (fn (SConst res))) : stk)
       _ -> return ((VObject (fn (SFun call))) : stk)
-  where 
+  where
         -- The most general case
         call i r1 r2 =
           case callback env code [VReal r2,VReal r1,VInt i] of
-             [VReal r3,VReal r2,VReal r1,VPoint c1 c2 c3] 
+             [VReal r3,VReal r2,VReal r1,VPoint c1 c2 c3]
 		 -> prop (color c1 c2 c3) r1 r2 r3
              stk -> error ("callback failed: incorrectly typed return arguments"
                          ++ show stk)
-       
+
 doPrimOp (Real_Int fn) _ (VReal r1:stk)
   = return ((VInt (fn r1)) : stk)
 doPrimOp (Int_Real fn) _ (VInt r1:stk)
@@ -213,7 +213,7 @@ doPrimOp (Obj_Obj_Obj fn) _ (VObject o2:VObject o1:stk)
   = return ((VObject (fn o1 o2)) : stk)
 doPrimOp (Point_Color_Light fn) _ (VPoint r g b:VPoint x y z : stk)
   = return (VLight (fn (x,y,z) (color r g b)) : stk)
-doPrimOp (Point_Point_Color_Real_Real_Light fn) _ 
+doPrimOp (Point_Point_Color_Real_Real_Light fn) _
          (VReal r2:VReal r1:VPoint r g b:VPoint x2 y2 z2:VPoint x1 y1 z1 : stk)
   = return (VLight (fn (x1,y1,z1) (x2,y2,z2) (color r g b) r1 r2) : stk)
 doPrimOp (Real_Real_Real_Point fn) _ (VReal r3:VReal r2:VReal r1:stk)
@@ -229,15 +229,15 @@ doPrimOp (Value_String_Value fn) _ (VString s:o:stk)
   where
      res = fn o s
 
-doPrimOp primOp op args 
+doPrimOp primOp op args
   = err ("\n\ntype error when attempting to execute builtin primitive \"" ++
           show op ++ "\"\n\n| " ++
           show op ++ " takes " ++ show (length types) ++ " argument" ++ s
 	           ++ " with" ++ the ++ " type" ++ s ++ "\n|\n|" ++
-          "      " ++ unwords [ show ty | ty <- types ]  ++ "\n|\n|" ++ 
-          " currently, the relevent argument" ++ s ++ " on the stack " ++ 
-	          are ++ "\n|\n| " ++ 
-          unwords [ "(" ++ show arg ++ ")" 
+          "      " ++ unwords [ show ty | ty <- types ]  ++ "\n|\n|" ++
+          " currently, the relevent argument" ++ s ++ " on the stack " ++
+	          are ++ "\n|\n| " ++
+          unwords [ "(" ++ show arg ++ ")"
                   | arg <-  reverse (take (length types) args) ]  ++ "\n|\n| "
           ++ "    (top of stack is on the right hand side)\n\n")
   where
@@ -268,7 +268,7 @@ doAllOp primOp op stk = doPrimOp primOp op stk -- call the purely functional ope
 {-
  - Abstract evaluation.
  -
- - The idea is you check for constant code that 
+ - The idea is you check for constant code that
  - (1) does not look at its arguments
  - (2) gives a fixed result
  -
@@ -277,7 +277,7 @@ doAllOp primOp op stk = doPrimOp primOp op stk -- call the purely functional ope
  -}
 
 absapply :: Env -> Code -> Stack -> Maybe Stack
-absapply env code stk = 
+absapply env code stk =
      case runAbs (eval (State env stk code)) 100 of
        AbsState stk _ -> Just stk
        AbsFail m      -> Nothing
@@ -301,7 +301,7 @@ instance MonadEval Abs where
                      else AbsState () (n-1))
 
 doAbsOp :: PrimOp -> GMLOp -> Stack -> Abs Stack
-doAbsOp _ Op_point (VReal r3:VReal r2:VReal r1:stk) 
+doAbsOp _ Op_point (VReal r3:VReal r2:VReal r1:stk)
                = return ((VPoint r1 r2 r3) : stk)
  -- here, you could have an (AbsPoint :: AbsObj) which you put on the
  -- stack, with any object in the three fields.
@@ -311,12 +311,12 @@ doAbsOp _ op _ = err ("operator not understood (" ++ show op ++ ")")
 -- Driver
 
 mainEval :: Code -> IO ()
-mainEval prog = do { stk <- eval (State emptyEnv [] prog) 
+mainEval prog = do { stk <- eval (State emptyEnv [] prog)
                    ; return ()
                    }
-{- 
+{-
   * Oops, one of the example actually has something
-  * on the stack at the end. 
+  * on the stack at the end.
   * Oh well...
 		   ; if null stk
                      then return ()
@@ -338,13 +338,13 @@ testF is = do prog <- rayParseF is
               eval (State emptyEnv [] prog)
 
 testA :: String -> Either String (Stack,Int)
-testA is = case runAbs (eval (State emptyEnv 
+testA is = case runAbs (eval (State emptyEnv
                                     [VAbsObj AbsFACE,VAbsObj AbsU,VAbsObj AbsV]
                                     (rayParse is))) 100 of
              AbsState a n -> Right (a,n)
              AbsFail m -> Left m
 
-abstest1 = "1.0 0.0 0.0 point /red { /v /u /face red 1.0 0.0 1.0 } apply" 
+abstest1 = "1.0 0.0 0.0 point /red { /v /u /face red 1.0 0.0 1.0 } apply"
 
 -- should be [3:: Int]
 et1 = test "1 /x { x } /f 2 /x f apply x addi"
diff --git a/tests/raytrace/Geometry.hs b/tests/raytrace/Geometry.hs
index 673c7d4812af514feaa56f993c0530f686418776..0bb90ed45a0089494d50de3762bdc3038a1b1433 100644
--- a/tests/raytrace/Geometry.hs
+++ b/tests/raytrace/Geometry.hs
@@ -61,7 +61,7 @@ module Geometry
     , clampf
     ) where
 
-import List 
+import List
 
 type Coords = (Double,Double,Double)
 
@@ -131,7 +131,7 @@ point_to_vector :: Point -> Vector
 point_to_vector (P x y z) = V x y z
 
 vector_to_point :: Vector -> Point
-vector_to_point (V x y z)  = P x y z 
+vector_to_point (V x y z)  = P x y z
 
 {-# INLINE vector_to_quad #-}
 vector_to_quad :: Vector -> Quad
@@ -169,23 +169,23 @@ dot4 :: Quad -> Quad -> Double
 dot4 (Q x1 y1 z1 w1) (Q x2 y2 z2 w2) = x1 * x2 + y1 * y2 + z1 * z2 + w1 * w2
 
 addVV :: Vector -> Vector -> Vector
-addVV (V x1 y1 z1) (V x2 y2 z2) 
+addVV (V x1 y1 z1) (V x2 y2 z2)
     = V (x1 + x2) (y1 + y2) (z1 + z2)
 
 addPV :: Point -> Vector -> Point
-addPV (P x1 y1 z1) (V x2 y2 z2) 
+addPV (P x1 y1 z1) (V x2 y2 z2)
     = P (x1 + x2) (y1 + y2) (z1 + z2)
 
 subVV :: Vector -> Vector -> Vector
-subVV (V x1 y1 z1) (V x2 y2 z2) 
+subVV (V x1 y1 z1) (V x2 y2 z2)
     = V (x1 - x2) (y1 - y2) (z1 - z2)
 
 negV :: Vector -> Vector
-negV (V x1 y1 z1) 
+negV (V x1 y1 z1)
     = V (-x1) (-y1) (-z1)
 
 subPP :: Point -> Point -> Vector
-subPP (P x1 y1 z1) (P x2 y2 z2) 
+subPP (P x1 y1 z1) (P x2 y2 z2)
     = V (x1 - x2) (y1 - y2) (z1 - z2)
 
 --{-# INLINE norm #-}
@@ -208,7 +208,7 @@ dist2 us vs = sq x + sq y + sq z
 
 {-# INLINE sq #-}
 sq :: Double -> Double
-sq d = d * d 
+sq d = d * d
 
 {-# INLINE distFrom0Sq #-}
 distFrom0Sq :: Point -> Double  -- Distance of point from origin.
@@ -232,7 +232,7 @@ multMM m1@(M q1 q2 q3 q4) m2
   where
      m2' = transposeM m2
 
-{-# INLINE transposeM #-}     
+{-# INLINE transposeM #-}
 transposeM :: Matrix -> Matrix
 transposeM (M (Q e11  e12  e13  e14)
               (Q e21  e22  e23  e24)
@@ -300,7 +300,7 @@ epsilon = 1.0e-10
 inf = 1.0e20
 
 nonZero :: Double -> Double         -- Use before a division. It makes definitions
-nonZero x | x > epsilon  = x        -- more complete and I bet the errors that get 
+nonZero x | x > epsilon  = x        -- more complete and I bet the errors that get
           | x < -epsilon = x        -- introduced will be undetectable if epsilon
           | otherwise    = epsilon  -- is small enough
 
diff --git a/tests/raytrace/Illumination.hs b/tests/raytrace/Illumination.hs
index b2419c92e0f01a33ec3e5d4af8deae56317039a2..ec3e1ae3470597423872e475bd092d149410143f 100644
--- a/tests/raytrace/Illumination.hs
+++ b/tests/raytrace/Illumination.hs
@@ -39,7 +39,7 @@ render (m,m') amb ls obj dep fov wid ht file
                    ; let cmp = sum(zipWith (\ a b -> abs (a - b) * abs (a - b)) vals rt_vals)
                    ; print $ if cmp <= (length vals * 16) then ("GOOD MATCH") else ("BAD MATCH:" ++ show cmp)
                    }}
-                   
+
   where
     debugging = return ()
 {-
@@ -73,7 +73,7 @@ render (m,m') amb ls obj dep fov wid ht file
     superSample (y, x) col = avg $ col:
       [ illumination cxt (start, pixel (fromIntegral x - 0.5 + xd) (fromIntegral y - 0.5 + yd))
       | (xd, yd) <- [(-0.333, 0.0), (0.333, 0.0), (0.0, -0.333), (0.0, 0.333)]
-      ] 
+      ]
 
 avg cs = divN (fromIntegral (length cs)) (uncolor (sumCC cs))
   where divN n (r,g,b) = color (r / n) (g / n) (b / n)
@@ -129,7 +129,7 @@ showBitmapA wid ht arr
 showBitmap :: Int -> Int ->[[Color]] -> String
 showBitmap wid ht pss
 -- type of assert  | length pss == ht && all (\ ps -> length ps == wid) pss
-  = header ++ concat [[scalePixel r,scalePixel g,scalePixel b] 
+  = header ++ concat [[scalePixel r,scalePixel g,scalePixel b]
                       | ps <- pss, (r,g,b) <- map uncolor ps]
   where
     header = "P6\n#Galois\n" ++ show wid ++ " " ++ show ht ++ "\n255\n"
@@ -154,7 +154,7 @@ scalePixel' p = floor (clampf p * 255)
 -- Lights
 
 data Light = Light Vector Color
-           | PointLight Point Color 
+           | PointLight Point Color
            | SpotLight Point Point Color Radian Double
    deriving Show
 
@@ -194,7 +194,7 @@ unobscure org obj normV (SpotLight pos at color cutoff exp)
             vec'  = pos `subPP` at
             angle = acos (normalize vec `dot` (normalize vec'))
 
-            asp   = normalize (at `subPP` pos)            
+            asp   = normalize (at `subPP` pos)
             qsp   = normalize (org `subPP` pos)
             is    = attenuate vec (((asp `dot` qsp) ** exp) `multSC` color)
 
diff --git a/tests/raytrace/Intersections.hs b/tests/raytrace/Intersections.hs
index c7fe003eb3387977368f4868dcc9ea67dfe103d3..c0f282d40820b067ed2f3c44b829d449dff0118e 100644
--- a/tests/raytrace/Intersections.hs
+++ b/tests/raytrace/Intersections.hs
@@ -3,7 +3,7 @@
 -- free software under the license in the file "LICENSE",
 -- which is included in the distribution.
 
-module Intersections 
+module Intersections
     ( intersectRayWithObject,
       quadratic
     ) where
@@ -370,7 +370,7 @@ quadratic a b c =
 -- Bounding boxes
 -------------------
 
-data MaybeInterval = Interval !Double !Double 
+data MaybeInterval = Interval !Double !Double
 		   | NoInterval
 
 isInterval (Interval _ _) = True
@@ -397,7 +397,7 @@ intersectRayWithSlab :: Double -> Double -> (Double,Double) -> MaybeInterval
 intersectRayWithSlab xCoord alpha (x1, x2)
   | alpha == 0 = if xCoord < x1 || xCoord > x2 then NoInterval else infInterval
   | alpha >  0 = Interval a b
-  | otherwise  = Interval b a 
+  | otherwise  = Interval b a
   where a = (x1 - xCoord) / alpha
 	b = (x2 - xCoord) / alpha
 
diff --git a/tests/raytrace/Parse.hs b/tests/raytrace/Parse.hs
index 931655c16e11099c536be53f01fe2ba623486471..8a8c0e19127e6221e8dda50fcde55a8023f5bb1c 100644
--- a/tests/raytrace/Parse.hs
+++ b/tests/raytrace/Parse.hs
@@ -24,7 +24,7 @@ tokenList = many token <?> "list of tokens"
 
 token :: Parser GMLToken
 token =
-       do { ts <- braces   tokenList          ; return (TBody ts) } 
+       do { ts <- braces   tokenList          ; return (TBody ts) }
   <|>  do { ts <- brackets tokenList          ; return (TArray ts) }
   <|> (do { s  <- gmlString                   ; return (TString s) } <?> "string")
   <|> (do { t <- pident False                 ; return t }           <?> "identifier")
@@ -57,7 +57,7 @@ test_number = "1234 -1234 1 -0 0" ++
               " -1234.5678e12 -1234.5678E-12 -1234.5678E12" ++
               " 1234e11 1234E33 -1234e33 1234e-33" ++
               " 123e 123.4e 123ee 123.4ee 123E 123.4E 123EE 123.4EE"
-              
+
 
 -- Always int or real
 number :: Parser GMLToken
@@ -100,7 +100,7 @@ symbol name = lexeme (string name)
 lexeme p = do{ x <- p; whiteSpace; return x  }
 
 whiteSpace  = skipMany (simpleSpace <|> oneLineComment <?> "")
-  where simpleSpace = skipMany1 (oneOf " \t\n\r\v")    
+  where simpleSpace = skipMany1 (oneOf " \t\n\r\v")
         oneLineComment =
             do{ string "%"
               ; skipMany (noneOf "\n\r\v")
diff --git a/tests/raytrace/Pixmap.hs b/tests/raytrace/Pixmap.hs
index 11d20f0df2cde30aa199dad52d44ec68604f19b5..db6a91986a79059de83a0b4ceb590d3ee3797194 100644
--- a/tests/raytrace/Pixmap.hs
+++ b/tests/raytrace/Pixmap.hs
@@ -48,7 +48,7 @@ number
 
 whiteSpace
   = skipMany (simpleSpace <|> oneLineComment <?> "")
-    where simpleSpace = skipMany1 (oneOf " \t\n\r\v")    
+    where simpleSpace = skipMany1 (oneOf " \t\n\r\v")
 	  oneLineComment =
 	      do  char '#'
 		  skipMany (noneOf "\n\r\v")
diff --git a/tests/raytrace/galois.gml b/tests/raytrace/galois.gml
index 5029d57620efc7c9e129f8f9d29f98ac3ce3a99b..ab26083c1c54a40323f09867a22fc970f1f1324e 100644
--- a/tests/raytrace/galois.gml
+++ b/tests/raytrace/galois.gml
@@ -70,7 +70,7 @@
     i 63 eqi { 62 } { i } if          % return max(2, i)
   } /toIntCoord
   galois u toIntCoord apply get  % val = texture[u][v]
-    v toIntCoord apply get 
+    v toIntCoord apply get
     real 100.0 divf /gal
   gal gal gal point               % b/w galois
   1.0                             % kd = 1.0
@@ -80,19 +80,19 @@
 
 
 galoisface cube
--0.5 -0.5 -0.5 translate	% center 
+-0.5 -0.5 -0.5 translate	% center
 2.5 uscale			% make it bigger
 -25.0 rotatex -25.0 rotatey	% rotate
 0.0 -1.0 7.0 translate		% move to final position
 
 %galoisface cylinder
-%-0.5 -0.5 -0.5 translate	% center 
+%-0.5 -0.5 -0.5 translate	% center
 %1.5 uscale			% make it bigger
 %0.0 rotatex 90.0 rotatey	        % rotate
 %0.0 0.0 5.0 translate		% move to final position
 
 %galoisface sphere
-%-0.5 -0.5 -0.5 translate	% center 
+%-0.5 -0.5 -0.5 translate	% center
 %1.5 uscale			% make it bigger
 %-25.0 rotatex 25.0 rotatey	% rotate
 %-3.0 0.0 5.0 translate		% move to final position
@@ -102,14 +102,14 @@ galoisface cube
 { /v /u /face
   v 5.0 divf /v
   u 5.0 divf /u
-  v floor 2 modi 0 eqi 
+  v floor 2 modi 0 eqi
     { 1.0 }
     { 0.8 }
-  if /r   
-  u floor 2 modi 0 eqi 
+  if /r
+  u floor 2 modi 0 eqi
     { 1.0 }
     { 0.8 }
-  if /g   
+  if /g
   v frac /v
   u frac /u
   v 0.0 lessf { v 1.0 addf } { v } if /v
@@ -119,7 +119,7 @@ galoisface cube
     i 63 eqi { 62 } { i } if          % return max(2, i)
   } /toIntCoord
   galois u toIntCoord apply get  % val = texture[u][v]
-    v toIntCoord apply get 
+    v toIntCoord apply get
     real 100.0 divf /gal
   r gal mulf g gal mulf gal point               % b/w galois
   0.0                             % kd = 1.0