5 files changed, 28 insertions, 3 deletions
diff --git a/src/Haddock/Backends/LaTeX.hs b/src/Haddock/Backends/LaTeX.hs
index c3a8faa0..21c76942 100644
--- a/src/Haddock/Backends/LaTeX.hs
+++ b/src/Haddock/Backends/LaTeX.hs
@@ -883,6 +883,15 @@ 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 _ (HsTyLit t) u = ppr_tylit t u
+
+
+ppr_tylit :: HsTyLit -> Bool -> LaTeX
+ppr_tylit (HsNumTy n) _ = integer n
+ppr_tylit (HsStrTy s) _ = text (show s)
+  -- XXX: Ok in verbatim, but not otherwise
+  -- XXX: Do something with Unicode parameter?
+
 
 ppr_fun_ty :: Int -> LHsType DocName -> LHsType DocName -> Bool -> LaTeX
 ppr_fun_ty ctxt_prec ty1 ty2 unicode
diff --git a/src/Haddock/Backends/Xhtml/Decl.hs b/src/Haddock/Backends/Xhtml/Decl.hs
index ee0223c2..9e051914 100644
--- a/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/src/Haddock/Backends/Xhtml/Decl.hs
@@ -697,8 +697,8 @@ ppr_mono_ty ctxt_prec (HsOpTy ty1 (_, op) ty2) unicode qual
   = maybeParen ctxt_prec pREC_FUN $
     ppr_mono_lty pREC_OP ty1 unicode qual <+> ppr_op <+> ppr_mono_lty pREC_OP ty2 unicode qual
   where
-    ppr_op = if not (isSymOcc occName) then quote (ppLDocName qual op) else ppLDocName qual op
-    occName = nameOccName . getName . unLoc $ op
+    ppr_op = if not (isSymOcc occ) then quote (ppLDocName qual op) else ppLDocName qual op
+    occ = nameOccName . getName . unLoc $ op
 
 ppr_mono_ty ctxt_prec (HsParTy ty) unicode qual
 --  = parens (ppr_mono_lty pREC_TOP ty)
@@ -707,6 +707,12 @@ 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 _ (HsTyLit n) _ _ = ppr_tylit n
+
+ppr_tylit :: HsTyLit -> Html
+ppr_tylit (HsNumTy n) = toHtml (show n)
+ppr_tylit (HsStrTy s) = toHtml (show s)
+
 
 ppr_fun_ty :: Int -> LHsType DocName -> LHsType DocName -> Bool -> Qualification -> Html
 ppr_fun_ty ctxt_prec ty1 ty2 unicode qual
diff --git a/src/Haddock/Convert.hs b/src/Haddock/Convert.hs
index 0470a5f5..e7409990 100644
--- a/src/Haddock/Convert.hs
+++ b/src/Haddock/Convert.hs
@@ -304,6 +304,11 @@ synifyType s forallty@(ForAllTy _tv _ty) =
       sTau = synifyType WithinType tau
      in noLoc $
            HsForAllTy forallPlicitness sTvs sCtx sTau
+synifyType _ (LitTy t) = noLoc $ HsTyLit $ synifyTyLit t
+
+synifyTyLit :: TyLit -> HsTyLit
+synifyTyLit (NumTyLit n) = HsNumTy n
+synifyTyLit (StrTyLit s) = HsStrTy s
 
 synifyKindSig :: Kind -> HsBndrSig (LHsKind Name)
 synifyKindSig k = HsBSig (synifyType (error "synifyKind") k) placeHolderBndrs
diff --git a/src/Haddock/Interface/AttachInstances.hs b/src/Haddock/Interface/AttachInstances.hs
index 90416cd0..a4d4764e 100644
--- a/src/Haddock/Interface/AttachInstances.hs
+++ b/src/Haddock/Interface/AttachInstances.hs
@@ -106,7 +106,9 @@ getAllInfo name = withSession $ \hsc_env -> do
 -- in Haddock output) and unifying special tycons with normal ones.
 -- For the benefit of the user (looks nice and predictable) and the
 -- tests (which prefer output to be deterministic).
-data SimpleType = SimpleType Name [SimpleType] deriving (Eq,Ord)
+data SimpleType = SimpleType Name [SimpleType]
+                | SimpleTyLit TyLit
+                  deriving (Eq,Ord)
 
 
 instHead :: ([TyVar], [PredType], Class, [Type]) -> ([Int], Name, [SimpleType])
@@ -126,6 +128,7 @@ instHead (_, _, cls, args)
       where (SimpleType s ts) = simplify t1
     simplify (TyVarTy v) = SimpleType (tyVarName v) []
     simplify (TyConApp tc ts) = SimpleType (tyConName tc) (map simplify ts)
+    simplify (LitTy l) = SimpleTyLit l
 
 
 -- sortImage f = sortBy (\x y -> compare (f x) (f y))
diff --git a/src/Haddock/Interface/Rename.hs b/src/Haddock/Interface/Rename.hs
index 7417d234..1c54216b 100644
--- a/src/Haddock/Interface/Rename.hs
+++ b/src/Haddock/Interface/Rename.hs
@@ -259,6 +259,8 @@ renameType t = case t of
     doc' <- renameLDocHsSyn doc
     return (HsDocTy ty' doc')
 
+  HsTyLit x -> return (HsTyLit x)
+
   _ -> error "renameType"