X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=GHC%2FUnicode.hs;h=52d14f37c8964eea9a20bd29ab2472cf7b62c924;hb=9fcd4e60afbfe43c62372cd75fd940c2c4294265;hp=5da35411a021c927012b0f850a732fe716b19944;hpb=fed6da8693ae3c1f6059970b694ef0adf1204477;p=haskell-directory.git

diff --git a/GHC/Unicode.hs b/GHC/Unicode.hs
index 5da3541..52d14f3 100644
--- a/GHC/Unicode.hs
+++ b/GHC/Unicode.hs
@@ -1,4 +1,4 @@
-{-# OPTIONS -fno-implicit-prelude #-}
+{-# OPTIONS_GHC -fno-implicit-prelude #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  GHC.Unicde
@@ -15,6 +15,7 @@
 --
 -----------------------------------------------------------------------------
 
+-- #hide
 module GHC.Unicode (
     isAscii, isLatin1, isControl,
     isAsciiUpper, isAsciiLower,
@@ -30,7 +31,7 @@ import GHC.Int
 import GHC.Word
 import GHC.Num	 (fromInteger)
 
-#include "config.h"
+#include "HsBaseConfig.h"
 
 -- | Selects the first 128 characters of the Unicode character set,
 -- corresponding to the ASCII character set.
@@ -77,6 +78,15 @@ isUpper                 :: Char -> Bool
 isLower                 :: Char -> Bool
 
 -- | Selects alphabetic Unicode characters (letters).
+--
+-- Note: the Haskell 98 definition of 'isAlpha' is:
+--
+-- >   isAlpha c = isUpper c || isLower c
+--
+-- the implementation here diverges from the Haskell 98
+-- definition in the sense that Unicode alphabetic characters which
+-- are neither upper nor lower case will still be identified as
+-- alphabetic by 'isAlpha'.
 isAlpha                 :: Char -> Bool
 
 -- | Selects alphabetic or numeric digit Unicode characters.
@@ -112,7 +122,7 @@ toLower                 :: Char -> Char
 -- -----------------------------------------------------------------------------
 -- Win32 implementation
 
-#if (defined(HAVE_WCTYPE_H) && HAVE_ISWSPACE && defined(HTYPE_WINT_T) || mingw32_TARGET_OS
+#if (defined(HAVE_WCTYPE_H) && HAVE_ISWSPACE && defined(HTYPE_WINT_T)) || mingw32_HOST_OS
 
 -- Use the wide-char classification functions if available.  Glibc
 -- seems to implement these properly, even for chars > 0xffff, as long