diff --git a/Text/PrettyPrint/Leijen.hs b/Text/PrettyPrint/Leijen.hs
--- a/Text/PrettyPrint/Leijen.hs
+++ b/Text/PrettyPrint/Leijen.hs
@@ -4,7 +4,7 @@
 -- Copyright   :  Daan Leijen (c) 2000, http://www.cs.uu.nl/~daan
 -- License     :  BSD-style (see the file LICENSE)
 --
--- Maintainer  :  stefanor@cox.net
+-- Maintainer  :  otakar.smrz cmu.edu
 -- Stability   :  provisional
 -- Portability :  portable
 --
@@ -173,7 +173,7 @@
     = case ds of
         []  -> left <> right
         [d] -> left <> d <> right
-        _   -> align (cat (zipWith (<>) (left : repeat sep) ds) <> right) 
+        _   -> align (cat (zipWith (<>) (left : repeat sep) ds) <> right)
 
 
 -----------------------------------------------------------
diff --git a/wl-pprint.cabal b/wl-pprint.cabal
--- a/wl-pprint.cabal
+++ b/wl-pprint.cabal
@@ -1,13 +1,16 @@
 Name:                wl-pprint
-Version:             1.0
+Version:             1.1
 Synopsis:            The Wadler/Leijen Pretty Printer
 Category:            Text
 Description:
  This is a pretty printing library based on Wadler's paper "A Prettier
- Printer".  See the haddocks for full info.
+ Printer".  See the haddocks for full info.  This version allows the
+ library user to declare overlapping instances of the 'Pretty' class.
 License:             BSD3
 License-file:        LICENSE
 Author:              Daan Leijen
-Maintainer:          stefanor@cox.net
-Build-Depends:       base
+Maintainer:          otakar.smrz cmu.edu
+Build-Depends:       base < 5
+Build-Type:          Simple
 Exposed-Modules:     Text.PrettyPrint.Leijen
+Extensions:          OverlappingInstances