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-rw-r--r--src/PGF/Expr.hs-boot4
1 files changed, 3 insertions, 1 deletions
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