evolution: stop wrongly flagging unrelated part of a split as divergent...
evolution: stop wrongly flagging unrelated part of a split as divergent
Before this change, divergence introduced by successors of a split would "spill"
to other unrelated successors of the split that were not ambiguous.
This small changes fixes it.
Thanks goes to Manuel Jacobs for the discussion leading to this realization that
a new simple and correct definition could be found.
