diff --git a/Help/fractals.hs b/Help/fractals.hs
--- a/Help/fractals.hs
+++ b/Help/fractals.hs
@@ -1,12 +1,13 @@
 module Main where
 
-import Data.Maybe
+import Data.Maybe {- base -}
+import System.Directory {- directory -}
+import System.Environment {- base -}
+import System.FilePath {- filepath -}
+import System.Random {- random -}
+
 import Graphics.PS hiding (a0, a1)
-import Graphics.PS.Path.Graphs
-import System.Directory
-import System.Environment
-import System.FilePath.Posix
-import System.Random
+import qualified Graphics.PS.Path.Graphs as G
 
 -- | Group a list into a list of /n/ element lists.
 clump :: Int -> [a] -> [[a]]
@@ -149,7 +150,7 @@
 
 hps :: [Image]
 hps =
-    let arrows = fractalArrow 200 9
+    let arrows = G.fractalArrow 200 9
         arc_ex = arcd_ex arc
         arcNegative_ex = arcd_ex arcNegative
         path_ex = s 0 path_ex'
@@ -158,11 +159,11 @@
                 in s 0 e `over` f 0.9 e
         s n = gstroke' n . normalize
         f n = gfill n . normalize
-    in [ gstroke 0 fractal_sqr
-       , gstroke 0 fractal_sqr'
+    in [ gstroke 0 G.fractal_sqr
+       , gstroke 0 G.fractal_sqr'
        , gstroke 0 arrows
        , gstroke 0 (flatten arrows)
-       , f 0 (sierpinski pt_origin 0.5 0.01)
+       , f 0 (G.sierpinski pt_origin 0.5 0.01)
        , simpleText
        , rectangles
        , semiarcs
@@ -177,11 +178,11 @@
        , fs_ex
        ]
 
-heps :: Image
-heps = bstroke (erat (Pt 48 32) 120)
+heps_img :: Image
+heps_img = bstroke (G.erat (Pt 48 32) 120)
 
-bb :: BBox
-bb = HRBBox 35 19 180 164 40.0 24.0 176.0 160.0
+heps_bb :: BBox
+heps_bb = HRBBox 35 19 180 164 40.0 24.0 176.0 160.0
 
 writing :: String -> IO ()
 writing fn = print ("writing output to: " ++ fn)
@@ -201,4 +202,4 @@
   writing ofn
   ps ofn a4 hps
   writing epsfn
-  eps epsfn bb heps
+  eps epsfn heps_bb heps_img
diff --git a/README b/README
--- a/README
+++ b/README
@@ -8,15 +8,14 @@
 [hs]: http://haskell.org
 [ps]: http://adobe.com/products/postscript/
 
-© [rohan drape][rd] and others, 2006-2012,
+© [rohan drape][rd] and others, 2006-2014,
 [gpl][gpl]. with contributions by:
 
 - declan murphy
 - henning thielemann
 
-see the [darcs][darcs] [history][history] for details
+see the [darcs][darcs] [history](?t=hps&q=history) for details
 
 [rd]:  http://rd.slavepianos.org/
 [gpl]: http://gnu.org/copyleft/
 [darcs]: http://darcs.net/
-[history]:  http://rd.slavepianos.org/r/d/darcsweb.cgi?r=hps
diff --git a/hps.cabal b/hps.cabal
--- a/hps.cabal
+++ b/hps.cabal
@@ -1,11 +1,11 @@
 Name:              hps
-Version:           0.14
+Version:           0.15
 Synopsis:          Haskell Postscript
 Description:       Haskell library partially implementing the
                    postscript drawing model.
 License:           GPL
 Category:          Graphics
-Copyright:         Rohan Drape, 2006-2013
+Copyright:         Rohan Drape, 2006-2014
 Author:            Rohan Drape and others
 Maintainer:        rd@slavepianos.org
 Stability:         Experimental
@@ -17,7 +17,8 @@
 Data-files:        README
 
 Library
-  Build-Depends:   base == 4.*, hcg-minus == 0.14
+  Build-Depends:   base == 4.*,
+                   hcg-minus == 0.15.*
   GHC-Options:     -Wall -fwarn-tabs
   Exposed-modules: Graphics.PS
                    Graphics.PS.Path
@@ -43,7 +44,7 @@
   Build-Depends:   base == 4.*,
                    directory,
                    filepath,
-                   hcg-minus == 0.14,
+                   hcg-minus == 0.15.*,
                    random
   Main-Is:         fractals.hs
   Ghc-Options:     -Wall -fwarn-tabs