X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Foreign.hs;h=a26ffaf2bd401a5709622826252ee49a1d35c87a;hb=be2750a0a11b919fb03cc070074e430f88bdfa90;hp=d4bbb3d70318165f8d533f072aa20c72fb0b5b82;hpb=5fe27e4880c4f643dd9a3915c02fe0f51226870e;p=ghc-base.git

diff --git a/Foreign.hs b/Foreign.hs
index d4bbb3d..a26ffaf 100644
--- a/Foreign.hs
+++ b/Foreign.hs
@@ -1,4 +1,5 @@
-{-# OPTIONS -fno-implicit-prelude #-}
+{-# LANGUAGE NoImplicitPrelude #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Foreign
@@ -18,14 +19,16 @@ module Foreign
         ( module Data.Bits
         , module Data.Int
         , module Data.Word
-	, module Foreign.Ptr
+        , module Foreign.Ptr
         , module Foreign.ForeignPtr
         , module Foreign.StablePtr
         , module Foreign.Storable
         , module Foreign.Marshal
 
-        -- For compatibility with the FFI addendum only.  The recommended
-        -- place to get this from is System.IO.Unsafe.
+        -- | 'unsafePerformIO' is exported here for backwards
+        -- compatibility reasons only.  For doing local marshalling in
+        -- the FFI, use 'unsafeLocalState'.  For other uses, see
+        -- 'System.IO.Unsafe.unsafePerformIO'.
         , unsafePerformIO
         ) where