Necessary due to it looking like
[SPDX](https://github.com/spdx/license-list-XML/issues/1393) might not
approve the 3.0.0 version. The 2.1.0 version will have to suffice as a
safe fallback which won't cause conflicts with downstream tooling.
Turns out the generated version of the license has a lot of bugs in it
in terms of formatting (especially the original Markdown version) and
code comments. This attempts to clean up the syntax so the document is
more readable.
