From acd927f87bfcc9b1a3b9f38371239adf27a3bf6b Mon Sep 17 00:00:00 2001
From: krasimir <krasimir@chalmers.se>
Date: Sun, 31 Jan 2010 14:45:44 +0000
Subject: add Show instance and remove the Eq and Ord instances for
 PGF.Expr.Equation and PGF.Expr.Patt

---
 src/runtime/haskell/PGF/Expr.hs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/runtime/haskell/PGF/Expr.hs b/src/runtime/haskell/PGF/Expr.hs
index 19fc8f627..5807c1815 100644
--- a/src/runtime/haskell/PGF/Expr.hs
+++ b/src/runtime/haskell/PGF/Expr.hs
@@ -68,7 +68,7 @@ data Patt =
  | PVar CId                         -- ^ variable
  | PWild                            -- ^ wildcard
  | PImplArg Patt                    -- ^ implicit argument in pattern
-  deriving (Eq,Ord)
+  deriving Show
 
 -- | The equation is used to define lambda function as a sequence
 -- of equations with pattern matching. The list of 'Expr' represents
@@ -76,7 +76,7 @@ data Patt =
 -- equation.
 data Equation =
    Equ [Patt] Expr
-  deriving (Eq,Ord)
+  deriving Show
 
 -- | parses 'String' as an expression
 readExpr :: String -> Maybe Expr
-- 
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