Add a footnote button to Redactor fields. Also, it adds new filters and functions to your Twig templates. — In the end you get what the plugin's name already says: Footnotes.
- coexists with regular superscript texts that are not supposed to be footnotes
- numbers referring to footnotes can be anchor links → see instructions of plugin settings in screenshot below or see the setting in action
- identical footnote texts can either be listed as one footnote or separately → see instructions of plugin settings in screenshot below or see the setting in action