[MERGE] Deprecate last-revision and pending_merges.

[Martin Pool]

On  7 Sep 2006, Robert Collins <robertc at robertcollins.net> wrote:

> I feel quite strongly that the following combination is OK:
>  * the implicit root tree has no parents.
>  * last_revision/basis_revision/basis_tree on the implicit root throws
>  * a new WorkingTree has a basis which is the implicit root

I think that combination would be good - safe, but also simple in the
common case.  So are you OK to leave last_revision as is until those
changes are in place?

-- 
Martin