diff -r 2e6f03a193f9 -r 2229d757802d mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Mon Aug 18 17:14:27 2014 -0700
+++ b/mercurial/cmdutil.py	Mon Aug 18 17:17:23 2014 -0700
@@ -1203,6 +1203,9 @@
         ui.write(' ')
         ui.write(hex(repl))
     ui.write(' %X ' % marker.flags())
+    parents = marker.parentnodes()
+    if parents is not None:
+        ui.write('{%s} ' % ', '.join(hex(p) for p in parents))
     ui.write('(%s) ' % util.datestr(marker.date()))
     ui.write('{%s}' % (', '.join('%r: %r' % t for t in
                                  sorted(marker.metadata().items())