todo.md

• Link to sections of official documentation
  • http://docutils.sourceforge.net/docs/ref/rst/directives.html
  • http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html
  • https://docutils.readthedocs.io/en/sphinx-docs/ref/rst/directives.html
  • https://docutils.readthedocs.io/en/sphinx-docs/ref/rst/roles.html
  • https://docutils.readthedocs.io/en/sphinx-docs/ref/rst/restructuredtext.html
• Substitutions