Generalize reduce() to work with iterators.
NEEDS DOC CHANGES.
diff --git a/Misc/NEWS b/Misc/NEWS
index 617146c..d707a7a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,6 +22,7 @@
     map()
     max()
     min()
+    reduce()
 
 
 What's New in Python 2.1 (final)?