[MERGE] deprecated EmptyTree

[Martin Pool]

On 21 Jul 2006, Robert Collins <robertc at robertcollins.net> wrote:

> I'd like to confirm - I think what you are saying is:
> 'it sounds plausible to change the id of the root node between EmptyTree
> and first commit rather than adding a root between EmptyTree and first
> commmit'

That's what I was saying.  But maybe someone else has a reason why it's
worse that way.

-- 
Martin