--- a/README	Sun Nov 06 19:19:28 2016 +0100
+++ b/README	Wed Jan 25 16:40:45 2017 +0100
@@ -56,6 +56,10 @@
 Changelog
 =========
 
+5.5.1 --
+
+ - fix crash when trying to fold an empty revision set (issue5453)
+
 5.5.0 -- 2016-10-30
 
  - The {obsolete} template now yield "obsolete" or "".