- TODO - a new feature or list of new features
- FIXME - flag either a bug or serious kludge (there should be no FIXME's in a release)
- NOTE - a slightly ominous flag indicating followed by something important
Examples:
-- TODO:
-- [ ] make it faster
-- [ ] make it better
-- NOTE: The following code doesn't work on Tuesdays
-- FIXME: Remove the hardcoded filenames in the following code