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

{{ if .Params.footnote_heading -}}

<!--Add heading to footnotes, remove unused class-->
{{ $references    := `(<section class="footnotes" role="doc-endnotes">
<hr>)` -}}
{{ $heading :=  .Params.footnote_heading -}}
{{ $referencesWithHeading := printf `<section role="doc-endnotes" aria-labelledby="note-hd">
<h2 id="note-hd">%s</h2>` ($heading) -}}

<!--Remove deprecated DPUB-ARIA role and unused classes-->
{{ $endnote := `(role="doc-endnote"|class="footnote-(back)?ref")` }}
{{ $noEndnote := printf "" }}

<!--Add tabindex to all <pre> elements, inc. those that aren't generated by Goldmark-->
{{ $preWithoutTabIndex := `<pre>` }}
{{ $preWithTabIndex := `<pre tabindex="0">` }}

<!--Move the Table of Contents heading *inside* the <nav> element-->
{{ $tocHeadingOutside := `<h2>Table of Contents</h2><nav id="TableOfContents">` }}
{{ $tocHeadingInside := `<nav id=TableOfContents role="doc-toc"><h2>Table of Contents</h2>` }}

{{ .Content | replaceRE $references $referencesWithHeading | replaceRE $endnote $noEndnote | replaceRE $preWithoutTabIndex $preWithTabIndex | replaceRE $tocHeadingOutside $tocHeadingInside | safeHTML -}}
{{ else -}}
{{ .Content -}}
{{ end -}}