[PATCH 1 of 3 V2] amend: allow amend of non-head when obsolete is enabled

[Augie Fackler]

On Dec 28, 2012, at 11:27 PM, Pierre-Yves David <pierre-yves.david at ens-lyon.org> wrote:

> If obsolescence is not enabled we keep aborting. This new default behavior only
> apply when obsolete is enabled and is subject to future discussion and changes.

I'm not quite sure what this sentence means? Is the intent of this statement that the new behavior (with obsolete enabled) is subject to change? Or is the intent that the current (backwards-compatible) behavior without obsolete on is subject to change?