Show how project development generally works in [Git][].

Markup
======

This file is written in [Markdown][], a popular markup language.  The
`.md` extension is a hint so renderers like [GitHub][] can format it
appropriately.


[Git]: http://www.git-scm.com/
[Markdown]: http://daringfireball.net/projects/markdown/
[GitHub]: https://github.com/github/markup#markups