From 28a7c4b5c7659dc18166e06e914fb0a81c1c43bc Mon Sep 17 00:00:00 2001
From: krasimir <krasimir@chalmers.se>
Date: Tue, 8 Sep 2009 08:40:28 +0000
Subject: now the datatype Tree is only internal. All API functions are working
 with Expr directly. Commands gt, gr, p and rf filter out the output via the
 typechecker

---
 src/PGF/Expr.hs-boot | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/PGF/Expr.hs-boot')

diff --git a/src/PGF/Expr.hs-boot b/src/PGF/Expr.hs-boot
index 21f5f7ef1..533feea75 100644
--- a/src/PGF/Expr.hs-boot
+++ b/src/PGF/Expr.hs-boot
@@ -14,4 +14,6 @@ pFactor :: RP.ReadP Expr
 
 ppExpr :: Int -> [CId] -> Expr -> PP.Doc
 
-freshName :: CId -> [CId] -> CId
\ No newline at end of file
+freshName :: CId -> [CId] -> CId
+
+ppParens :: Bool -> PP.Doc -> PP.Doc
-- 
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