Improve formatting of errors, and fix a typo

diff --git a/compiler/typecheck/TcType.lhs b/compiler/typecheck/TcType.lhs
index 56351d7..24cf3f8 100644 (file)
--- a/compiler/typecheck/TcType.lhs
+++ b/compiler/typecheck/TcType.lhs
@@ -451,9 +451,9 @@ pprSkolTvBinding tv
 
     ppr_skol UnkSkol       = empty     -- Unhelpful; omit
     ppr_skol RuntimeUnkSkol = ptext SLIT("is an unknown runtime type")
-    ppr_skol info           = ptext SLIT("is a rigid type variable bound by") 
-                               <+> sep [pprSkolInfo info, 
-                                        nest 2 (ptext SLIT("at") <+> ppr (getSrcLoc tv))]
+    ppr_skol info           = sep [ptext SLIT("is a rigid type variable bound by"),
+                                  sep [pprSkolInfo info, 
+                                        nest 2 (ptext SLIT("at") <+> ppr (getSrcLoc tv))]]
  
 pprSkolInfo :: SkolemInfo -> SDoc
 pprSkolInfo (SigSkol ctxt)   = pprUserTypeCtxt ctxt

diff --git a/compiler/typecheck/TcUnify.lhs b/compiler/typecheck/TcUnify.lhs
index c7082cd..821a1cc 100644 (file)
--- a/compiler/typecheck/TcUnify.lhs
+++ b/compiler/typecheck/TcUnify.lhs
@@ -1601,7 +1601,7 @@ ppr_ty :: TidyEnv -> TcType -> TcType -> TcM (TidyEnv, SDoc, SDoc)
 ppr_ty env ty other_ty 
   = do { ty' <- zonkTcType ty
        ; let (env1, tidy_ty) = tidyOpenType env ty'
-       ; (env2, extra) <- ppr_extra env1 ty' other_ty
+       ; (env2, extra) <- ppr_extra env1 tidy_ty other_ty
        ; return (env2, quotes (ppr tidy_ty), extra) }
 
 -- (ppr_extra env ty other_ty) shows extra info about 'ty'