bbatsov/prelude — pull request #525 by bixuanzju (2014-04-27 15:50:02+00:00)
Title: Simplify `prelude-annotate-todo`, make it evaporate when modified.

With the help of Shingo Fukuyama's wonderful ov.el package, manipulating
overlays becomes much easier than ever . The "evaporating" idea was stolen
from the package's example code.