5 files changed, 16 insertions, 9 deletions
diff --git a/src/Haddock/Backends/LaTeX.hs b/src/Haddock/Backends/LaTeX.hs
index fc07a07e..f03801bb 100644
--- a/src/Haddock/Backends/LaTeX.hs
+++ b/src/Haddock/Backends/LaTeX.hs
@@ -24,7 +24,6 @@ import GHC
 import OccName
 import Name                 ( nameOccName )
 import RdrName              ( rdrNameOcc )
-import BasicTypes           ( ipNameName )
 import FastString           ( unpackFS, unpackLitString )
 
 import qualified Data.Map as Map
@@ -853,7 +852,7 @@ ppr_mono_ty _         (HsTupleTy con tys) u = tupleParens con (map (ppLType u) t
 ppr_mono_ty _         (HsKindSig ty kind) u = parens (ppr_mono_lty pREC_TOP ty u <+> dcolon u <+> ppLKind u kind)
 ppr_mono_ty _         (HsListTy ty)       u = brackets (ppr_mono_lty pREC_TOP ty u)
 ppr_mono_ty _         (HsPArrTy ty)       u = pabrackets (ppr_mono_lty pREC_TOP ty u)
-ppr_mono_ty _         (HsIParamTy n ty)   u = brackets (ppDocName (ipNameName n) <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u)
+ppr_mono_ty _         (HsIParamTy n ty)   u = brackets (ppIPName n <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u)
 ppr_mono_ty _         (HsSpliceTy {})     _ = error "ppr_mono_ty HsSpliceTy"
 ppr_mono_ty _         (HsQuasiQuoteTy {}) _ = error "ppr_mono_ty HsQuasiQuoteTy"
 ppr_mono_ty _         (HsRecTy {})        _ = error "ppr_mono_ty HsRecTy"
@@ -923,6 +922,8 @@ ppSymName name
 ppVerbOccName :: OccName -> LaTeX
 ppVerbOccName = text . latexFilter . occNameString
 
+ppIPName :: HsIPName -> LaTeX
+ppIPName ip = text $ unpackFS $ hsIPNameFS ip
 
 ppOccName :: OccName -> LaTeX
 ppOccName = text . occNameString
diff --git a/src/Haddock/Backends/Xhtml/Decl.hs b/src/Haddock/Backends/Xhtml/Decl.hs
index b4afee3d..b5ad1a8f 100644
--- a/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/src/Haddock/Backends/Xhtml/Decl.hs
@@ -33,7 +33,6 @@ import           Text.XHtml hiding     ( name, title, p, quote )
 
 import GHC
 import Name
-import BasicTypes            ( ipNameName )
 
 
 -- TODO: use DeclInfo DocName or something
@@ -674,7 +673,7 @@ ppr_mono_ty _         (HsKindSig ty kind) u q =
     parens (ppr_mono_lty pREC_TOP ty u q <+> dcolon u <+> ppLKind u q kind)
 ppr_mono_ty _         (HsListTy ty)       u q = brackets (ppr_mono_lty pREC_TOP ty u q)
 ppr_mono_ty _         (HsPArrTy ty)       u q = pabrackets (ppr_mono_lty pREC_TOP ty u q)
-ppr_mono_ty _         (HsIParamTy n ty)   u q = brackets (ppDocName q (ipNameName n) <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u q)
+ppr_mono_ty _         (HsIParamTy n ty)   u q = brackets (ppIPName n <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u q)
 ppr_mono_ty _         (HsSpliceTy {})     _ _ = error "ppr_mono_ty HsSpliceTy"
 #if __GLASGOW_HASKELL__ == 612
 ppr_mono_ty _         (HsSpliceTyOut {})  _ _ = error "ppr_mono_ty HsQuasiQuoteTy"
diff --git a/src/Haddock/Backends/Xhtml/Names.hs b/src/Haddock/Backends/Xhtml/Names.hs
index 7c2375cf..f07f42e0 100644
--- a/src/Haddock/Backends/Xhtml/Names.hs
+++ b/src/Haddock/Backends/Xhtml/Names.hs
@@ -14,6 +14,7 @@ module Haddock.Backends.Xhtml.Names (
   ppName, ppDocName, ppLDocName, ppRdrName, ppUncheckedLink,
   ppBinder, ppBinder',
   ppModule, ppModuleRef,
+  ppIPName,
   linkId
 ) where
 
@@ -29,6 +30,7 @@ import qualified Data.List as List
 import GHC
 import Name
 import RdrName
+import FastString (unpackFS)
 
 
 ppOccName :: OccName -> Html
@@ -38,6 +40,9 @@ ppOccName = toHtml . occNameString
 ppRdrName :: RdrName -> Html
 ppRdrName = ppOccName . rdrNameOcc
 
+ppIPName :: HsIPName -> Html
+ppIPName = toHtml . unpackFS . hsIPNameFS
+
 
 ppUncheckedLink :: Qualification -> (ModuleName, OccName) -> Html
 ppUncheckedLink _ (mdl, occ) = linkIdOcc' mdl (Just occ) << ppOccName occ -- TODO: apply ppQualifyName
diff --git a/src/Haddock/Convert.hs b/src/Haddock/Convert.hs
index b5b905e7..7c9a2ee5 100644
--- a/src/Haddock/Convert.hs
+++ b/src/Haddock/Convert.hs
@@ -20,6 +20,7 @@ module Haddock.Convert where
 import HsSyn
 import TcType ( tcSplitTyConApp_maybe, tcSplitSigmaTy )
 import TypeRep
+import Type(isStrLitTy)
 import Kind ( splitKindFunTys, synTyConResKind )
 import Name
 import Var
@@ -29,6 +30,7 @@ import DataCon
 import BasicTypes ( TupleSort(..) )
 import TysPrim ( alphaTyVars )
 import TysWiredIn ( listTyConName, eqTyCon )
+import PrelNames (ipClassName)
 import Bag ( emptyBag )
 import SrcLoc ( Located, noLoc, unLoc )
 import Data.List( partition )
@@ -275,9 +277,10 @@ synifyType _ (TyConApp tc tys)
   | getName tc == listTyConName, [ty] <- tys =
      noLoc $ HsListTy (synifyType WithinType ty)
   -- ditto for implicit parameter tycons
-  | Just ip <- tyConIP_maybe tc
-  , [ty] <- tys
-  = noLoc $ HsIParamTy ip (synifyType WithinType ty)
+  | tyConName tc == ipClassName
+  , [name, ty] <- tys
+  , Just x <- isStrLitTy name
+  = noLoc $ HsIParamTy (HsIPName x) (synifyType WithinType ty)
   -- and equalities
   | tc == eqTyCon
   , [ty1, ty2] <- tys
diff --git a/src/Haddock/Interface/Rename.hs b/src/Haddock/Interface/Rename.hs
index b762bcbb..380147be 100644
--- a/src/Haddock/Interface/Rename.hs
+++ b/src/Haddock/Interface/Rename.hs
@@ -18,7 +18,6 @@ import Haddock.GhcUtils
 import GHC hiding (NoLink)
 import Name
 import Bag (emptyBag)
-import BasicTypes ( IPName(..), ipNameName )
 
 import Data.List
 import qualified Data.Map as Map hiding ( Map )
@@ -236,7 +235,7 @@ renameType t = case t of
 
   HsListTy ty -> return . HsListTy =<< renameLType ty
   HsPArrTy ty -> return . HsPArrTy =<< renameLType ty
-  HsIParamTy n ty -> liftM2 HsIParamTy (liftM IPName (rename (ipNameName n))) (renameLType ty)
+  HsIParamTy n ty -> liftM (HsIParamTy n) (renameLType ty)
   HsEqTy ty1 ty2 -> liftM2 HsEqTy (renameLType ty1) (renameLType ty2)
 
   HsTupleTy b ts -> return . HsTupleTy b =<< mapM renameLType ts