Use explicit language extensions & remove extension fields from base.cabal

[ghc-base.git] / GHC / IO / IOMode.hs

diff --git a/GHC/IO/IOMode.hs b/GHC/IO/IOMode.hs
index dbae088..3b0943c 100644 (file)
--- a/GHC/IO/IOMode.hs
+++ b/GHC/IO/IOMode.hs
@@ -1,4 +1,4 @@
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE NoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------
 -- |
@@ -22,5 +22,6 @@ import GHC.Read
 import GHC.Arr
 import GHC.Enum
 
+-- | See 'System.IO.openFile'
 data IOMode      =  ReadMode | WriteMode | AppendMode | ReadWriteMode
                     deriving (Eq, Ord, Ix, Enum, Read, Show)