diff -r 9cfd7c4f22f5 -r 76f6ae06ddf5 mercurial/revlog.py
--- a/mercurial/revlog.py	Fri Feb 06 01:44:24 2015 +0000
+++ b/mercurial/revlog.py	Fri Jan 23 17:01:39 2015 -0500
@@ -1419,6 +1419,10 @@
 
         return content
 
+    def iscensored(self, rev):
+        """Check if a file revision is censored."""
+        return False
+
     def getstrippoint(self, minlink):
         """find the minimum rev that must be stripped to strip the linkrev