add Haddock marker

diff --git a/Data/IntMap.hs b/Data/IntMap.hs
index daf85a0..e01e13b 100644 (file)
--- a/Data/IntMap.hs
+++ b/Data/IntMap.hs
@@ -1,5 +1,6 @@
 {-# OPTIONS -cpp -fglasgow-exts -fno-bang-patterns #-} 
 -----------------------------------------------------------------------------
+-- |
 -- Module      :  Data.IntMap
 -- Copyright   :  (c) Daan Leijen 2002
 -- License     :  BSD-style