newformat format change

[Martin Pool]

On 01/10/05, John A Meinel <john at arbash-meinel.com> wrote:
> <revision version="0.5">
>         <rev_info id="blahblah" put_stuff="here" />
>         <parents>
>         </parents>
>         <meta-info>
>         </meta-info>
> </revision>

I think this would be reasonable - so the root element (only) of each
revision or inventory would have a version indicator.

This doesn't imply that we need to support trees with mixed versions;
it would be fine for the code to flag an error if it sees a version x
inventory in a version y tree.

--
Martin