X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FhsSyn%2FHsPat.lhs;h=1098ff03b249ac38b1d9f84dcab58be5fa3c6164;hb=3afdf90d0f9fb18f13a6b76fe41e5fc60bbdaac3;hp=740bfa71727d6059ae948ae0ea6bc3fdb2725de4;hpb=fdf8656855d26105ff36bdd24d41827b05037b91;p=ghc-hetmet.git

diff --git a/compiler/hsSyn/HsPat.lhs b/compiler/hsSyn/HsPat.lhs
index 740bfa7..1098ff0 100644
--- a/compiler/hsSyn/HsPat.lhs
+++ b/compiler/hsSyn/HsPat.lhs
@@ -122,7 +122,9 @@ data Pat id
   | LitPat	    HsLit		-- Used for *non-overloaded* literal patterns:
 					-- Int#, Char#, Int, Char, String, etc.
 
-  | NPat	    (HsOverLit id)		-- ALWAYS positive
+  | NPat		-- Used for all overloaded literals, 
+    			-- including overloaded strings with -XOverloadedStrings
+                    (HsOverLit id)		-- ALWAYS positive
 		    (Maybe (SyntaxExpr id))	-- Just (Name of 'negate') for negative
 						-- patterns, Nothing otherwise
 		    (SyntaxExpr id)		-- Equality checker, of type t->t->Bool