[Python-Dev] combined hg incoming patch

["Martin v. Löwis"]

> Sorry, I didn't think that through. Revsets still have the power though:
>
> hg -R tmp.bundle diff -r'ancestor(.,default)' -r default
>
> (assuming your local repo is at the tip of default)

I can't make this work. I'm using hg 1.6.4, which does have revsets and
(including ancestor). Still, with this command, I get

martin at mira:~/work/3k$ LANG=C hg -R tmp.bundle diff 
-r'ancestor(.,default)' -r default
abort: unknown revision 'ancestor(.,default)'!

Regards,
Martin