>> martin at mira:~/work/3k$ LANG=C hg -R tmp.bundle diff -r'ancestor(.,default)' -r default >> abort: unknown revision 'ancestor(.,default)'! > > It looks like that was fixed a week after 1.6.4 was released, here: > > http://hg.intevation.org/mercurial/crew/rev/2063d36b406e > > It should work in 1.7. Ah ok, it does indeed. Thanks, Martin