revlog.py: always return tuples from parents and parentrevs There's at least one place doing parentrevs(rev) != (rev-1, -1), which is always true with revlog v0, since parentrevs returns a list in this case.

     1

%% Should show unknown

     2

? unknown

     3

removing b

     4

%% Should show unknown and b removed

     5

R b

     6

? unknown

     7

%% Should show a and unknown

     8

a

     9

unknown