Make bin() implementation parallel oct() and hex() so that int/long subclasses can override or so that other classes can support.
diff --git a/Misc/NEWS b/Misc/NEWS
index 9bd4f3c..9e02d76 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -4,6 +4,15 @@
 
 (editors: check NEWS.help for information about editing NEWS using ReST.)
 
+What's New in Python 2.6 beta 2?
+================================
+
+Core and Builtins
+-----------------
+
+- Make bin() implementation parallel oct() and hex().
+
+
 What's New in Python 2.6 beta 1?
 ================================