diff --git a/WHATSNEW.txt b/WHATSNEW.txt
index 6e1e119..9d25ce1 100644
--- a/WHATSNEW.txt
+++ b/WHATSNEW.txt
@@ -1,4 +1,4 @@
-$Id: WHATSNEW.txt,v 1.162 2005/01/25 00:15:59 tundra Exp $
+$Id: WHATSNEW.txt,v 1.163 2005/01/25 00:59:47 tundra Exp $
 
 WHAT'S NEW
 
@@ -10,6 +10,9 @@
   a single space.  This is now fixed, and both prompts and the
   new default feature will be preserved exactly as written.
 
+- It was previously possible to create a circular .include
+  chain.  This is now explicitly checked for and prevented.
+
 
 CHANGES