.footnote_referrer = enclosing <span>

.footnote_referrer > a = optional <a> enclosing the <sup>

.footnote_plugin_tooltip_text = inner <sup>, not tooltip

.footnote_tooltip = inner <span>

.footnote_tooltip_continue = nested <span>

.footnotes_reference_container = enclosing <div>

.footnote_container_prepare = label <div>

.footnote_reference_container_label = <span>

.footnote_reference_container_collapse_button = sibling <span>

.footnotes_table = <table>

.footnotes_plugin_reference_row = <tr>

.footnote_plugin_index_combi = first <td> if identical footnotes are combined

.footnote_plugin_index = first <td> if identical footnotes are not combined

.footnote_index = <a> or <span> in first <td> in 3-column table

.footnote_plugin_symbol = second <td> in 3-column table

.footnote_plugin_link = <a> or <span> if identical footnotes are not combined

.footnote_backlink = <a> or <span> if identical footnotes are combined, or in second <td> in 3-column table

.footnote_index_arrow = nested <span>, symbol only

.footnote_plugin_text = second <td>, or third <td> in 3-column table