diff -r 5d6659cfaa06 -r d8143769e1d4 mercurial/commands.py
--- a/mercurial/commands.py	Thu Aug 27 11:55:21 2009 +0200
+++ b/mercurial/commands.py	Sat Sep 05 18:56:51 2009 +0200
@@ -2150,7 +2150,8 @@
         roots, heads = [common.node()], [p2.node()]
         displayer = cmdutil.show_changeset(ui, repo, opts)
         for node in repo.changelog.nodesbetween(roots=roots, heads=heads)[0]:
-            displayer.show(repo[node])
+            if node not in roots:
+                displayer.show(repo[node])
         return 0
 
     return hg.merge(repo, node, force=opts.get('force'))