Update test to account for \r filtering

1 files changed, 5 insertions, 2 deletions

diff --git a/haddock-library/test/Documentation/Haddock/ParserSpec.hs b/haddock-library/test/Documentation/Haddock/ParserSpec.hs
index 44ec2988..9161160d 100644
--- a/haddock-library/test/Documentation/Haddock/ParserSpec.hs
+++ b/haddock-library/test/Documentation/Haddock/ParserSpec.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE OverloadedStrings, FlexibleInstances #-}
+{-# LANGUAGE LambdaCase #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
 module Documentation.Haddock.ParserSpec (main, spec) where
@@ -55,8 +56,10 @@ spec = do
       it "accepts hexadecimal character references" $ do
         "e" `shouldParseTo` "e"
 
-      it "allows to backslash-escape characters" $ do
-        property $ \x -> ['\\', x] `shouldParseTo` DocString [x]
+      it "allows to backslash-escape characters except \\r" $ do
+        property $ \case
+          '\r' -> "\\\r" `shouldParseTo` DocString "\\"
+          x -> ['\\', x] `shouldParseTo` DocString [x]
 
       context "when parsing strings contaning numeric character references" $ do
         it "will implicitly convert digits to characters" $ do