diff -r 3bc21f6daac4 -r 777084ac8416 mercurial/dirstate.py
--- a/mercurial/dirstate.py	Sat Dec 15 20:19:07 2012 +0200
+++ b/mercurial/dirstate.py	Thu Nov 29 08:44:54 2012 -0500
@@ -260,7 +260,6 @@
         return copies
 
     def setbranch(self, branch):
-        # no repo object here, just check for reserved names
         self._branch = encoding.fromlocal(branch)
         f = self._opener('branch', 'w', atomictemp=True)
         try: