64         if pos - f >= 0:

    64         if pos - f >= 0:

    65             navbefore.insert(0, ("-%d" % f, hex(nodefunc(pos - f).node())))

    65             navbefore.insert(0, ("-%d" % f, hex(nodefunc(pos - f).node())))

    66 

    66 

    67     navafter.append(("tip", "tip"))

    67     navafter.append(("tip", "tip"))

    68     try:

    68     try:

    70     except error.RepoError:

    70     except error.RepoError:

    71         pass

    71         pass

    72 

    72 

    73     def gen(l):

    73     def gen(l):

    74         def f(**map):

    74         def f(**map):