message: athena.paxos.Client: Always prefer confirmed value when proposing.
diff: @@ -164,7 +164,10 @@ namespace elle
  *this, proposal, peer);
  if (auto p = peer->propose(q, proposal))
  {
  - if (!previous || previous->proposal < p->proposal)
  + if (!previous ||
  + previous->proposal < p->proposal ||
  + previous->proposal == p->proposal &&
  + !previous->confirmed && p->confirmed)
  {
  // FIXME: what if previous was accepted and p is not ?
  ELLE_DEBUG_SCOPE("%s: value already accepted at %f: %f",
  