X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=System%2FInfo.hs;h=92da1a64b7b43a364232f29a0f6e9cf894164cd3;hb=0d363cf82a46a55b7d0b407fb667f9ea9756a578;hp=02cfa0dc5710cf7b248c123922b13a2da9270a02;hpb=2f5eceabb9a273bfaf11830714cc209bf7dcc469;p=ghc-base.git

diff --git a/System/Info.hs b/System/Info.hs
index 02cfa0d..92da1a6 100644
--- a/System/Info.hs
+++ b/System/Info.hs
@@ -1,4 +1,6 @@
-<-----------------------------------------------------------------------------
+{-# LANGUAGE CPP #-}
+
+-----------------------------------------------------------------------------
 -- |
 -- Module      :  System.Info
 -- Copyright   :  (c) The University of Glasgow 2001
@@ -8,8 +10,8 @@
 -- Stability   :  experimental
 -- Portability :  portable
 --
--- Misc information about the characteristics of the host 
--- architecture\/machine lucky enough to run your program.
+-- Information about the characteristics of the host 
+-- system lucky enough to run your program.
 --
 -----------------------------------------------------------------------------
 
@@ -24,11 +26,22 @@ module System.Info
 import Prelude
 import Data.Version
 
+-- | The version of 'compilerName' with which the program was compiled
+-- or is being interpreted.
 compilerVersion :: Version
-compilerVersion = Version {versionBranch=[maj,min], versionTags=[]}
-  where (maj,min) = compilerVersionRaw `divMod` 100
+compilerVersion = Version {versionBranch=[major, minor], versionTags=[]}
+  where (major, minor) = compilerVersionRaw `divMod` 100
+
+-- | The operating system on which the program is running.
+os :: String
+
+-- | The machine architecture on which the program is running.
+arch :: String
+
+-- | The Haskell implementation with which the program was compiled
+-- or is being interpreted.
+compilerName :: String
 
-os, arch, compilerName :: String
 compilerVersionRaw :: Int
 
 #if defined(__NHC__)