diff -r 00a7f7b1af9c -r b36b02d57021 mercurial/obsolete.py
--- a/mercurial/obsolete.py	Sat May 20 15:02:30 2017 +0200
+++ b/mercurial/obsolete.py	Thu Jun 01 08:44:01 2017 +0200
@@ -777,6 +777,8 @@
         #  Markers "2,3" are exclusive to A1,A2
         #  Markers "1,2,3" are exclusive to A0,A1,A2
 
+        See test/test-obsolete-bundle-strip.t for more examples.
+
     An example usage is strip. When stripping a changeset, we also want to
     strip the markers exclusive to this changeset. Otherwise we would have
     "dangling"" obsolescence markers from its precursors: Obsolescence markers