2 files changed, 14 insertions, 10 deletions
diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs
index c9262c7e..e1090a0e 100644
--- a/haddock-api/src/Haddock/Backends/LaTeX.hs
+++ b/haddock-api/src/Haddock/Backends/LaTeX.hs
@@ -898,9 +898,11 @@ ppr_mono_ty :: Int -> HsType DocName -> Bool -> LaTeX
 ppr_mono_ty ctxt_prec (HsForAllTy expl extra tvs ctxt ty) unicode
   = maybeParen ctxt_prec pREC_FUN $
     hsep [ppForAll expl tvs ctxt' unicode, ppr_mono_lty pREC_TOP ty unicode]
- where ctxt' = case extra of
-                 Just loc -> (++ [L loc HsWildcardTy]) `fmap` ctxt
-                 Nothing  -> ctxt
+ where
+   anonWC = HsWildCardTy (AnonWildCard PlaceHolder)
+   ctxt'
+     | Just loc <- extra = (++ [L loc anonWC]) `fmap` ctxt
+     | otherwise         = ctxt
 
 ppr_mono_ty _         (HsBangTy b ty)     u = ppBang b <> ppLParendType u ty
 ppr_mono_ty _         (HsTyVar name)      _ = ppDocName name
@@ -939,9 +941,9 @@ ppr_mono_ty ctxt_prec (HsParTy ty) unicode
 ppr_mono_ty ctxt_prec (HsDocTy ty _) unicode
   = ppr_mono_lty ctxt_prec ty unicode
 
-ppr_mono_ty _ HsWildcardTy _ = char '_'
+ppr_mono_ty _ (HsWildCardTy (AnonWildCard _)) _ = char '_'
 
-ppr_mono_ty _ (HsNamedWildcardTy name) _ = ppDocName name
+ppr_mono_ty _ (HsWildCardTy (NamedWildCard name)) _ = ppDocName name
 
 ppr_mono_ty _ (HsTyLit t) u = ppr_tylit t u
 
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
index 88aa966c..c0be9735 100644
--- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
@@ -852,9 +852,11 @@ ppr_mono_ty :: Int -> HsType DocName -> Unicode -> Qualification -> Html
 ppr_mono_ty ctxt_prec (HsForAllTy expl extra tvs ctxt ty) unicode qual
   = maybeParen ctxt_prec pREC_FUN $ ppForAllCon expl tvs ctxt' unicode qual
                                     <+> ppr_mono_lty pREC_TOP ty unicode qual
- where ctxt' = case extra of
-                 Just loc -> (++ [L loc HsWildcardTy]) `fmap` ctxt
-                 Nothing  -> ctxt
+ where
+   anonWC = HsWildCardTy (AnonWildCard PlaceHolder)
+   ctxt'
+     | Just loc <- extra = (++ [L loc anonWC]) `fmap` ctxt
+     | otherwise         = ctxt
 
 -- UnicodeSyntax alternatives
 ppr_mono_ty _ (HsTyVar name) True _
@@ -899,9 +901,9 @@ ppr_mono_ty ctxt_prec (HsParTy ty) unicode qual
 ppr_mono_ty ctxt_prec (HsDocTy ty _) unicode qual
   = ppr_mono_lty ctxt_prec ty unicode qual
 
-ppr_mono_ty _ HsWildcardTy _ _ = char '_'
+ppr_mono_ty _ (HsWildCardTy (AnonWildCard _)) _ _ = char '_'
 
-ppr_mono_ty _ (HsNamedWildcardTy name) _ q = ppDocName q Prefix True name
+ppr_mono_ty _ (HsWildCardTy (NamedWildCard name)) _ q = ppDocName q Prefix True name
 
 ppr_mono_ty _ (HsTyLit n) _ _ = ppr_tylit n