From 5e09d0886105fdfec4d7e8aaf2115b92ee18cfaa Mon Sep 17 00:00:00 2001 From: "simonpj@microsoft.com" Date: Wed, 20 Aug 2008 12:07:28 +0000 Subject: [PATCH] Elaborate for-all message slightly --- compiler/rename/RnEnv.lhs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/compiler/rename/RnEnv.lhs b/compiler/rename/RnEnv.lhs index a4c4afd..6c3567a 100644 --- a/compiler/rename/RnEnv.lhs +++ b/compiler/rename/RnEnv.lhs @@ -987,7 +987,8 @@ unknownNameErr rdr_name , extra ] where extra | rdr_name == forall_tv_RDR - = ptext (sLit "Perhaps you intended to use -XRankNTypes or similar flag") + = vcat [ptext (sLit "Perhaps you intended to use -XRankNTypes or similar flag"), + ptext (sLit "to enable explicit-forall syntax: forall . ?")] | otherwise = empty unknownSubordinateErr :: SDoc -> RdrName -> SDoc -- 1.7.10.4