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86143428f3
- Streamline CSS to reduce duplication - Better backlink accessible names for endnotes with multiple backlinks This required updating a false positive filter in my vnu jq filter.
46 lines
2.2 KiB
HTML
46 lines
2.2 KiB
HTML
{{- $footnote_heading := printf "Footnotes" -}}
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{{- if .Params.footnote_heading -}}
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{{- $footnote_heading = .Params.footnote_heading -}}
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{{- end -}}
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<!--
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Add heading to footnotes, remove unused class.
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Requires Goldmark v1.4.12 or higher, since that version switched
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endnotes from a <section> to a <div>.
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-->
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{{- $referencesWithoutHeading := `(<div class="footnotes" role="doc-endnotes">
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<hr>)` -}}
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{{- $referencesWithHeading := printf `<hr>
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<section role="doc-endnotes" aria-labelledby="note-hd">
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<h2 id="note-hd">%s</h2>` ($footnote_heading) -}}
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{{- $endnotesClosingDiv := `</a></p>
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</li>
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</ol>
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</div>` -}}
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{{- $endnotesClosingSection := printf `</a></p>
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</li>
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</ol>
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</section>` -}}
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<!--Descriptive footnote link names, remove unused class-->
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{{- $badNoteRef := `class="footnote-ref" role="doc-noteref">([0-9]*)</a>` -}}
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{{- $goodNoteRef := `role="doc-noteref">note ${1}</a>` -}}
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<!--Move the Table of Contents heading *inside* the <nav> element-->
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{{- $tocHeadingOutside := `<h2>Table of Contents</h2><nav(?:.*)>` -}}
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{{- $tocHeadingInside := `<nav id=TableOfContents role="doc-toc"><h2 id="toc-hd">Table of Contents</h2>` -}}
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<!--Give footnote backlinks accessible names-->
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{{- $footnoteBacklinksBad := `<a href="#fnref:([0-9]*)" class="footnote-backref"(.*role="doc-backlink"(?:.*)?)>` -}}
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{{- $footnoteBacklinksGood := `<a href="#fnref:${1}" aria-label="back to reference ${1}"${2}>` -}}
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<!--
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If two backlinks exist, give them different names.
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I currently don't have any triple backlinks; if I ever do, I'll implement this properly with a loop.
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-->
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{{- $repeatedFootnoteBacklinksBad := `"back to reference ([0-9]*)"(.*)<a href="#fnref([0-9]):([0-9]*)"(.*role="doc-backlink"(?:.*)?)>` -}}
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{{- $repeatedFootnoteBacklinksGood := `"back to reference ${1}, instance 1"${2}<a href="#fnref${3}:${4}" aria-label="back to reference ${4}, instance 2"${5}>` -}}
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{{- .Content | replaceRE $referencesWithoutHeading $referencesWithHeading | replaceRE $badNoteRef $goodNoteRef | replaceRE $endnotesClosingDiv $endnotesClosingSection | replaceRE $tocHeadingOutside $tocHeadingInside | replaceRE $footnoteBacklinksBad $footnoteBacklinksGood | replaceRE $repeatedFootnoteBacklinksBad $repeatedFootnoteBacklinksGood | safeHTML -}}
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