diff support for two revisions patch

[Martin Pool]

On  4 Aug 2005, John A Meinel <john at arbash-meinel.com> wrote:

> Actually, if you look through the mailing lists, there have been quite a
> few patches to make diff support multiple options. I think I might have
> even submitted one myself. :)

I know.

I merged the updated patch.  I don't think the behaviour is ideal, and
in particular -r ..10 is kind of pointless and should probably give
just the diff leading up to 10.

-- 
Martin