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-rw-r--r--haddock-api/src/Haddock/Interface/Create.hs10
1 files changed, 5 insertions, 5 deletions
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs
index bc93449f..2c91f142 100644
--- a/haddock-api/src/Haddock/Interface/Create.hs
+++ b/haddock-api/src/Haddock/Interface/Create.hs
@@ -58,7 +58,7 @@ import NameEnv
import Bag
import RdrName
import TcRnTypes
-import FastString (concatFS)
+import FastString (fastStringToByteString)
import BasicTypes ( StringLiteral(..), SourceText(..) )
import qualified Outputable as O
import HsDecls ( getConArgs )
@@ -293,11 +293,11 @@ moduleWarning dflags gre (WarnAll w) = Just <$> parseWarning dflags gre w
parseWarning :: DynFlags -> GlobalRdrEnv -> WarningTxt -> ErrMsgM (Doc Name)
parseWarning dflags gre w = case w of
- DeprecatedTxt _ msg -> format "Deprecated: " (concatFS $ map (sl_fs . unLoc) msg)
- WarningTxt _ msg -> format "Warning: " (concatFS $ map (sl_fs . unLoc) msg)
+ DeprecatedTxt _ msg -> format "Deprecated: " (foldMap (fastStringToByteString . sl_fs . unLoc) msg)
+ WarningTxt _ msg -> format "Warning: " (foldMap (fastStringToByteString . sl_fs . unLoc) msg)
where
- format x xs = DocWarning . DocParagraph . DocAppend (DocString x)
- <$> processDocString dflags gre (HsDocString xs)
+ format x bs = DocWarning . DocParagraph . DocAppend (DocString x)
+ <$> processDocString dflags gre (mkHsDocStringUtf8ByteString bs)
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