--- a/mercurial/obsolete.py Tue Oct 14 13:23:52 2014 -0700
+++ b/mercurial/obsolete.py Tue Oct 14 13:25:13 2014 -0700
@@ -83,6 +83,7 @@
# Options for obsolescence
createmarkersopt = 'createmarkers'
+allowunstableopt = 'allowunstable'
### obsolescence marker flag