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seirdy.one/layouts/partials/processed-content.html

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{{- $footnote_heading := printf "Footnotes" -}}
{{- if .Params.footnote_heading -}}
{{- $footnote_heading = .Params.footnote_heading -}}
{{- end -}}
<!--
Add heading to footnotes, remove unused class.
Requires Goldmark v1.4.12 or higher, since that version switched
endnotes from a <section> to a <div>.
-->
{{- $referencesWithoutHeading := `(<div class="footnotes" role="doc-endnotes">
<hr>)` -}}
{{- $referencesWithHeading := printf `<section role="doc-endnotes" aria-labelledby="note-hd">
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<h2 id="note-hd">%s</h2>` ($footnote_heading) -}}
{{- $endnotesClosingDiv := `</a></p>
</li>
</ol>
</div>` -}}
{{- $endnotesClosingSection := printf `</a></p>
</li>
</ol>
</section>` -}}
{{- $badNoteRef := ` role="doc-noteref">([0-9]*)</a>` -}}
{{- $goodNoteRef := ` role="doc-noteref">note ${1}</a>` -}}
<!--Remove deprecated DPUB-ARIA role and unused classes-->
{{- $endnote := `(role="doc-endnote"|class="footnote-(back)?ref")` -}}
{{- $noEndnote := printf "" -}}
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<!--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>` -}}
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<!--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}>` -}}
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{{- $repeatedFootnoteBacklinksBad := `<a href="#fnref([0-9]):([0-9]*)"(.*role="doc-backlink"(?:.*)?)>` -}}
{{- $repeatedFootnoteBacklinksGood := `<a href="#fnref${1}:${2}" title="back to reference ${2}, repeated instance ${1}" aria-label="back to reference ${2}, repeated instance ${1}"${3}>` -}}
{{- .Content | replaceRE $referencesWithoutHeading $referencesWithHeading | replaceRE $badNoteRef $goodNoteRef | replaceRE $endnotesClosingDiv $endnotesClosingSection | replaceRE $endnote $noEndnote | replaceRE $tocHeadingOutside $tocHeadingInside | replaceRE $footnoteBacklinksBad $footnoteBacklinksGood | replaceRE $repeatedFootnoteBacklinksBad $repeatedFootnoteBacklinksGood | safeHTML -}}