From: Ross Paterson <ross@soi.city.ac.uk>
Date: Sun, 18 Jan 2009 01:15:08 +0000 (+0000)
Subject: avoid `mappend` in monoid laws, because it doesn't work with haddock
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=1c55c7cd9f9a3f48aed3740def88dec3a33ae920;p=ghc-base.git

avoid `mappend` in monoid laws, because it doesn't work with haddock
---

diff --git a/Data/Monoid.hs b/Data/Monoid.hs
index 65e3bb7..3eba6bb 100644
--- a/Data/Monoid.hs
+++ b/Data/Monoid.hs
@@ -42,11 +42,11 @@ import Test.QuickCheck
 -- | The class of monoids (types with an associative binary operation that
 -- has an identity).  Instances should satisfy the following laws:
 --
---  * @mempty `mappend` x = x@
+--  * @mappend mempty x = x@
 --
---  * @x `mappend` mempty = x@
+--  * @mappend x mempty = x@
 --
---  * @x `mappend` (y `mappend` z) = (x `mappend` y) `mappend` z@
+--  * @mappend x (mappend y z) = mappend (mappend x y) z@
 --
 --  * @mconcat = 'foldr' mappend mempty@
 --