From: Simon Marlow <simonmar@microsoft.com>
Date: Mon, 21 Aug 2006 09:59:12 +0000 (+0000)
Subject: comply with Haskell 98 by not allowing extra commas in import/export lists
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=e70246a799b0038cf84874550283c52858231159

comply with Haskell 98 by not allowing extra commas in import/export lists
---

diff --git a/compiler/parser/Parser.y.pp b/compiler/parser/Parser.y.pp
index 3bb5ab4..1469a66 100644
--- a/compiler/parser/Parser.y.pp
+++ b/compiler/parser/Parser.y.pp
@@ -343,9 +343,8 @@ maybeexports :: { Maybe [LIE RdrName] }
 	|  {- empty -}				{ Nothing }
 
 exportlist :: { [LIE RdrName] }
- 	:  exportlist ',' export		{ $3 : $1 }
-	|  exportlist ','			{ $1 }
- 	|  export				{ [$1]  }
+	:  export				{ [$1] }
+	|  export ',' exportlist		{ $1 : $3 }
 	|  {- empty -}				{ [] }
 
    -- No longer allow things like [] and (,,,) to be exported