--- a/tools/pas2c/Pas2C.hs Mon Sep 12 18:37:04 2022 -0400
+++ b/tools/pas2c/Pas2C.hs Wed Sep 21 06:36:05 2022 +0300
@@ -711,8 +711,8 @@
a -> error $ "BuiltInFunction 'high' in initExpr: " ++ show a ++ ": " ++ show hi
initExpr2C' (BuiltInFunction "succ" [BuiltInFunction "pred" [e]]) = initExpr2C' e
initExpr2C' (BuiltInFunction "pred" [BuiltInFunction "succ" [e]]) = initExpr2C' e
-initExpr2C' (BuiltInFunction "succ" [e]) = liftM (<> text " + 1") $ initExpr2C' e
-initExpr2C' (BuiltInFunction "pred" [e]) = liftM (<> text " - 1") $ initExpr2C' e
+initExpr2C' (BuiltInFunction "succ" [e]) = liftM (\e' -> text "(" <> e' <> text " + 1)") $ initExpr2C' e
+initExpr2C' (BuiltInFunction "pred" [e]) = liftM (\e' -> text "(" <> e' <> text " - 1)") $ initExpr2C' e
initExpr2C' b@(BuiltInFunction _ _) = error $ show b
initExpr2C' (InitTypeCast t' i) = do
e <- initExpr2C i