..
    This file contains a common collection of web links.  Include it
    wherever these links are needed.
    It is explicitly excluded in ``conf.py``, because it does not
    appear anywhere in the TOC tree.

.. _`design notes`: https://forums.unrealengine.com/showthread.php?2004-Blackboard-Documentation
.. _`operator module`: https://docs.python.org/2/library/operator.html