This is the documentation tree for NLopt. Markdown (.md) files for NLopt documentation live in $(top_src_dir)/doc/docs. To build and visualize the HTML documentation locally using the mkdocs package (useful for verifying on your local machine before committing), install the `mkdocs` package, then run the following command from the top-level meep repository tree: % mkdocs serve and then open the following URL in a browser window: http://127.0.0.1:8000/NLopt This launches a little web server on your local machine plus a filesystem hook for rebuilding the documentation tree automatically whenever any .md file is modified, so you can see what the actual HTML documentation looks like in real time as you edit the source.