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-rw-r--r--src/GF/Grammar/AppPredefined.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/GF/Grammar/AppPredefined.hs b/src/GF/Grammar/AppPredefined.hs
index eceb749b0..7ff479df0 100644
--- a/src/GF/Grammar/AppPredefined.hs
+++ b/src/GF/Grammar/AppPredefined.hs
@@ -16,8 +16,8 @@ typPredefined :: Ident -> Err Type
typPredefined c@(IC f) = case f of
"Int" -> return typePType
"PBool" -> return typePType
---- "PFalse" -> -- hidden
---- "PTrue" ->
+ "PFalse" -> return $ cnPredef "PBool"
+ "PTrue" -> return $ cnPredef "PBool"
"dp" -> return $ mkFunType [cnPredef "Int",typeTok] typeTok
"drop" -> return $ mkFunType [cnPredef "Int",typeTok] typeTok
"eqInt" -> return $ mkFunType [cnPredef "Int",cnPredef "Int"] (cnPredef "PBool")