532         return (changed, added, deleted)

   533 

   534     def diffrevs(self, node1, node2):

   535         changed, added = [], [], []

   536 

   537         change = self.changelog.read(node1)

   538         mf1 = self.manifest.read(change[0])

   539         change = self.changelog.read(revs[1])

   540         mf2 = self.manifest.read(change[0])

   541 

   542         for fn in mf2:

   543             if mf1.has_key(fn):

   544                 if mf1[fn] != mf2[fn]:

   545                     changed.append(fn)

   546                 del mf1[fn]

   547             else:

   548                 added.append(fn)

   549                 

   550         deleted = mf1.keys()

   551         deleted.sort()

   552