To build docs, run
make in this directory.
make help lists all targets.
Sphinx and Latex is needed to build doc.
pip install sphinx
sudo apt-get install -qq texlive texlive-latex-extra dvipng
sudo tlmgr install ucs dvipng
"citation not found: R###" $ cd doc/build; grep -rin R### . There is probably an underscore after a reference in the first line of a docstring (e.g. _)
"Duplicate citation R###, other instance in..."" There is probably a  without a  in one of the docstrings
Make sure to use pre-sphinxification paths to images (not the _images directory)