[ ] Take the refactored class and make heading IDs and TOC generation an option in the s2Clean theme also. This way it becomes possible to auto-generate heading IDs and/or a TOC in other parts of the site too; even if you don't have WPKBA installed; i.e., make this an s2Clean feature.
A fork of https://github.com/websharks/wp-kb-articles/issues/86