include instructions on building pdf docs

    cd doc/UsersGuide

    make

This will build a pdf of the MFiX-Exa User's Guide, which contains information

about the equations being solved, run-time parameters, checkpoint/restart

capability, options for visualization and more.

This will build a pdf of the old MFiX-Exa User's Guide, which contains

information about the equations being solved, run-time parameters,

checkpoint/restart capability, options for visualization and more. Most of this

information will enventually be migrated to these help pages.

A pdf version of this guide can be compiled using sphinx using ``latexmk``.

Ensure that you have ``latexmk`` installed on your system [#footnote:latexmk]_.

Then run [#footnote:latex]_:

.. highlight:: bash

::

    make latexpdf

Notice

* :ref:`genindex`

* :ref:`modindex`

* :ref:`search`

.. [#footnote:latexmk] On Ubuntu, ``latexmk`` can be installed using ``apt

    install latexmk``. On macOS, ``latexmk`` installed using the ``TexLive

    Utility`` application.

.. [#footnote:latex] The template used by ``latexmk`` uses the following packages:

        1. tabulary

        2. varwidth

        3. framed

        4. wrapfig

        5. capt-of

        6. needspace

        7. courier