.. _reStructuredText:
http://docutils.sourceforge.net/docs/user/rst/quickref.html
.. _NumPy/SciPy documentation guide:
- http://projects.scipy.org/numpy/wiki/CodingStyleGuidelines
+ https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt
.. _Sphinx markup documentation: http://sphinx.pocoo.org/markup.html