{{ $footnote_heading := printf "Footnotes" -}} {{ if .Params.footnote_heading -}} {{ $footnote_heading = .Params.footnote_heading -}} {{end}} <!--Add heading to footnotes, remove unused class--> {{ $referencesWithoutHeading := `(<section class="footnotes" role="doc-endnotes"> <hr>)` -}} {{ $referencesWithHeading := printf `<section role="doc-endnotes" aria-labelledby="note-hd"> <h2 id="note-hd">%s</h2>` ($footnote_heading) -}} <!--Remove deprecated DPUB-ARIA role and unused classes--> {{ $endnote := `(role="doc-endnote"|class="footnote-(back)?ref")` }} {{ $noEndnote := printf "" }} <!--Move the Table of Contents heading *inside* the <nav> element--> {{ $tocHeadingOutside := `<h2>Table of Contents</h2><nav(?:.*)>` }} {{ $tocHeadingInside := `<nav id=TableOfContents role="doc-toc"><h2 id="toc-hd">Table of Contents</h2>` }} <!--Give footnote backlinks accessible names--> {{ $footnoteBacklinksBad := `<a href="#fnref:([0-9]*)"(.*role="doc-backlink"(?:.*)?)>` }} {{ $footnoteBacklinksGood := `<a href="#fnref:${1}" title="back to reference ${1}" aria-label="back to reference ${1}"${2}>` }} {{ .Content | replaceRE $referencesWithoutHeading $referencesWithHeading | replaceRE $endnote $noEndnote | replaceRE $tocHeadingOutside $tocHeadingInside | replaceRE $footnoteBacklinksBad $footnoteBacklinksGood | safeHTML -}}