revertible

Continuous Integration helps by providing revertible checkpoints.

Earlier this year these securities -- sometimes referred to as "revertible notes" -- were touting coupon rates of 10% or more.

These observations raise new questions: (i) how can we explain a meristematic revertible conversion and (ii) what are the advantages of such a complex mode of development?

Speculative tasks create revertible ``grey holes'' (in analogy to the ``black holes'' created by mandatory tasks, which indicate that the node is under evaluation).