diff -r b697fa74b475 -r ff93aa006e6a mercurial/manifest.py
--- a/mercurial/manifest.py	Tue Oct 14 22:48:44 2014 -0700
+++ b/mercurial/manifest.py	Tue Oct 14 23:18:07 2014 -0700
@@ -42,7 +42,7 @@
     def diff(self, m2):
         '''Finds changes between the current manifest and m2. The result is
         returned as a dict with filename as key and values of the form
-        ((n1,n2),(fl1,fl2)), where n1/n2 is the nodeid in the current/other
+        ((n1,fl1),(n2,fl2)), where n1/n2 is the nodeid in the current/other
         manifest and fl1/fl2 is the flag in the current/other manifest. Where
         the file does not exist, the nodeid will be None and the flags will be
         the empty string.'''
@@ -55,12 +55,12 @@
             if n2 is None:
                 fl2 = ''
             if n1 != n2 or fl1 != fl2:
-                diff[fn] = ((n1, n2), (fl1, fl2))
+                diff[fn] = ((n1, fl1), (n2, fl2))
 
         for fn, n2 in m2.iteritems():
             if fn not in self:
                 fl2 = m2._flags.get(fn, '')
-                diff[fn] = ((None, n2), ('', fl2))
+                diff[fn] = ((None, ''), (n2, fl2))
 
         return diff