Another update: In the example demo page, the section headings are no longer links to themselves. Instead the headings now have a hash symbol next to them which

Another update: In the example demo page, the section headings are no longer links to themselves. Instead the headings now have a hash symbol next to them which become visible on hover. These hash symbols are heading anchor links. See the demo at https://susam.github.io/spcss/#heading-anchor https://susam.github.io/spcss/#heading-anchor for more details.