mirror of
https://git.sr.ht/~seirdy/seirdy.one
synced 2024-11-23 12:52:10 +00:00
A11y: drop draft ARIA, overhaul in-page links
- Stop using draft WAI-ARIA 1.3 that isn't supported yet - Make in-page links focusable across shortcodes/partials - Replace existing in-page heading anchor links with a more accessible option. - Make backlinks aria-labelledby instead of giving them an aria-label, so they can be translated.
This commit is contained in:
Rohan Kumar
parent
47e55b9aef
commit
f798de7e63
10 changed files with 75 additions and 61 deletions
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@ -62,7 +62,7 @@ html {
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* between tappables" by creating margins/paddings between nav links;
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* re-use that same amount of space here. 24px is what it takes to
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* create atl 48px of non-interactive space on <ul> and <ol> elements
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* containing lists of interactives.
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* containing lists of interactives, with 8px in between.
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* Don't use relative units here; this margin shouldn't scale with
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* zoom, or else text will get narrower with zoom. */
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padding: 0 24px;
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@ -234,6 +234,11 @@ samp {
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font-family: monospace, monospace;
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}
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/* Some browsers don't support the hidden attr */
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span[hidden] {
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display: none;
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}
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/* Narrow screens: long words can cause content to flow out of the
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* viewport, triggering horizontal scrolling. Allow breaking words in
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* content I don't control (comments, names). For content I do control,
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@ -292,6 +297,7 @@ picture > img {
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* reducing the number of DOM nodes rendered at once. */
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aside,
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footer,
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section[role="doc-endnotes"],
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section[aria-labelledby="webmentions"] {
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border-top: 1px solid;
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content-visibility: auto;
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@ -1,11 +1,8 @@
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<h{{ .Level }} id="{{ .Anchor | safeURL }}" tabindex="-1">{{ .Text | safeHTML -}}</h{{ .Level }}>
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{{- if and (eq .Level 2) (eq .Page.Section "posts") }}
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<h{{ .Level }} id="{{ .Anchor | safeURL }}-hd">{{ .Text | safeHTML -}}</h{{ .Level }}>
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<a
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id="{{ .Anchor | safeURL }}" href="#{{ .Anchor | safeURL }}"
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aria-labelledby="{{ .Anchor | safeURL }}-prefix {{ .Anchor | safeURL }}-hd">
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id="{{ .Anchor | safeURL }}-anchor" href="#{{ .Anchor | safeURL }}"
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aria-labelledby="{{ .Anchor | safeURL }}-prefix {{ .Anchor | safeURL }}">
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<span id="{{ .Anchor | safeURL }}-prefix">Permalink to section</span>
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</a>
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{{- else }}
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{{- with . -}}
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<h{{ .Level }} id="{{ .Anchor | safeURL }}">{{ .Text | safeHTML -}}</h{{ .Level }}>{{ end -}}
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{{- end }}
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@ -1,4 +1,4 @@
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<article aria-details="webmentions" class="h-entry hentry">
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<article class="h-entry hentry"><!--Once WAI-ARIA 1.3 gains traction, I'll add aria-details for webmentions.-->
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<header>
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<h1 itemprop="name headline" class="p-name entry-title">{{ .Title }}</h1>
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{{- if not .Params.disableMeta }}
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@ -24,23 +24,32 @@
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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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<!--
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Descriptive footnote link names, remove unused class, put
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backlink id in <a> since <a> is focusable, remove unused class.
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-->
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{{- $badNoteRef := `<sup id="fnref([0-9\:]*)"><a( [^>]*)class="footnote-ref" role="doc-noteref">([0-9]*)</a>` -}}
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{{- $goodNoteRef := `<sup><a${2}id="fnref${1}" role="doc-noteref">note ${3}</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" aria-labelledby="toc-hd"><h2 id="toc-hd">Table of Contents</h2>` -}}
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{{- $tocHeadingInside := `<nav id=TableOfContents role="doc-toc" aria-labelledby="toc-hd" tabindex="-1">
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<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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{{- $footnoteBacklinksBad := `<a href="#fnref:([0-9]*)" class="footnote-backref"(.*role="doc-backlink"(?:[^>]*)?)>([^<]*)` -}}
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{{- $footnoteBacklinksGood := `<a href="#fnref:${1}" aria-labelledby="bl-${1}"${2}>${3} <span id="bl-${1}" hidden>back to reference ${1}</span>` -}}
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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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{{- $repeatedFootnoteBacklinksBad := `<a href="#fnref([0-9]):([0-9]*)"(.*role="doc-backlink"(?:[^>]*)?)>([^<]*)` -}}
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{{- $repeatedFootnoteBacklinksGood := `<a href="#fnref${1}:${2}" aria-labelledby="bl-${2}-2"${3}>${4} <span id="bl-${2}-2" hidden>back to reference ${2}, instance 2</span>` -}}
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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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<!--Make endnotes focusable by ATs. Necessary for VoiceOver compatibility.-->
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{{- $endNotesNotFocusable := `<li id="fn:([0-9]*)">` -}}
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{{- $endNotesFocusable := `<li id="fn:${1}" tabindex="-1">` -}}
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{{- .Content | replaceRE $referencesWithoutHeading $referencesWithHeading | replaceRE $badNoteRef $goodNoteRef | replaceRE $endnotesClosingDiv $endnotesClosingSection | replaceRE $tocHeadingOutside $tocHeadingInside | replaceRE $footnoteBacklinksBad $footnoteBacklinksGood | replaceRE $repeatedFootnoteBacklinksBad $repeatedFootnoteBacklinksGood | replaceRE $endNotesNotFocusable $endNotesFocusable | safeHTML -}}
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@ -1,48 +1,56 @@
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<section aria-labelledby="webmentions">
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<h2 id="webmentions">Webmen­tions</h2>
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<h2 id="webmentions" tabindex="-1">Webmen­tions</h2>
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<p>This site supports <a href="https://indieweb.org/webmention">Webmentions</a>. Webmentions received for this post will appear below after I approve them. I sometimes send Webmentions to myself on behalf of linking sites that don't support them. Check the <a href="https://web.archive.org/">Wayback Machine</a> if any links are broken.</p>
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<ul>
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<dl>
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{{- $target := .RelPermalink | replaceRE "^/~seirdy/" "/" }}
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{{ $url := printf "https://seirdy.one/webmentions/get?status=approved&target=https://seirdy.one%s" $target -}}
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{{ $webmentions := getJSON $url -}}
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{{ range $webmentions -}}
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{{ $webmention := . -}}
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{{ if (eq $webmention.type "like") -}}
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<li itemprop="potentialAction" itemscope itemtype="https://schema.org/LikeAction" class="u-like h-cite">
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<div itemprop="potentialAction" itemscope itemtype="https://schema.org/LikeAction" class="u-like h-cite">
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{{- else -}}
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<li itemprop="comment" itemscope itemtype="https://schema.org/Comment">
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{{- end }}
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<p role="comment" class="u-comment h-cite">
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<time class="dt-published" itemprop="{{ if (eq $webmention.type "like") -}}startTime{{ else }}datePublished{{ end }}" datetime="{{ dateFormat "2006-01-02 15:04:05Z07:00" $webmention.created_at }}">{{ dateFormat "2006-01-02" $webmention.created_at }}</time>
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<br>
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{{ if (eq $webmention.type "like") -}}
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{{ if $webmention.author_name -}}
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<span itemprop="agent" itemscope itemtype="https://schema.org/Person" class="h-card p-author vcard"><span itemprop="name" class="p-name fn n">{{ $webmention.author_name }}</span></span>
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{{ else if $webmention.title -}}
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<span itemprop="name" class="p-name">{{ $webmention.title -}}</span>
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{{ else -}}
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{{ $webmention.source -}}
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{{ end -}}
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<a class="u-url" href="{{ $webmention.source }}" rel="nofollow ugc">liked</a> this
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{{ else -}}
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<a class="u-url" href="{{ $webmention.source }}" rel="nofollow ugc">
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<span itemprop="name" class="p-content p-name">
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{{ if $webmention.title -}}
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{{ $webmention.title | truncate 200 -}}
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<div itemprop="comment" itemscope itemtype="https://schema.org/Comment" class="u-comment h-cite">
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{{- end -}}
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<!--Will eventually add role="comment" once WAI-ARIA 1.3 starts seeing some adoption.-->
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<dt>
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<time
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class="dt-published"
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itemprop="{{ if (eq $webmention.type "like") -}}startTime{{ else }}datePublished{{ end }}"
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datetime="{{ dateFormat "2006-01-02 15:04:05Z07:00" $webmention.created_at }}">
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{{ dateFormat "2006-01-02" $webmention.created_at }}
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</time>
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</dt>
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<dd><p>
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{{ if (eq $webmention.type "like") -}}
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{{ if $webmention.author_name -}}
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<span itemprop="agent" itemscope itemtype="https://schema.org/Person" class="h-card p-author vcard"><span itemprop="name" class="p-name fn n">{{ $webmention.author_name }}</span></span>
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{{ else if $webmention.title -}}
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<span itemprop="name" class="p-name">{{ $webmention.title -}}</span>
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{{ else -}}
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{{- $webmention.source | strings.TrimPrefix "https://" | strings.TrimPrefix "www." | strings.TrimRight "/" | truncate 35 -}}
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{{ end }}
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</span>
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</a>
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{{- if $webmention.author_name }}
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by <span itemprop="author" itemscope itemtype="https://schema.org/Person" class="h-card p-author vcard"><span itemprop="name" class="p-name fn n">{{ $webmention.author_name }}</span></span>
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{{- end -}}
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{{- end }}
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</p>
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</li>
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{{ $webmention.source -}}
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{{ end -}}
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<a class="u-url" itemprop="url" href="{{ $webmention.source }}" rel="nofollow ugc">liked</a> this
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{{ else -}}
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<a class="u-url" itemprop="url" href="{{ $webmention.source }}" rel="nofollow ugc">
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<span itemprop="name" class="p-content p-name">
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{{ if $webmention.title -}}
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{{ $webmention.title | truncate 200 -}}
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{{ else -}}
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{{- $webmention.source | strings.TrimPrefix "https://" | strings.TrimPrefix "www." | strings.TrimRight "/" | truncate 35 -}}
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{{ end }}
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</span>
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</a>
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{{- if $webmention.author_name }}
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by <span itemprop="author" itemscope itemtype="https://schema.org/Person" class="h-card p-author vcard"><span itemprop="name" class="p-name fn n">{{ $webmention.author_name }}</span></span>
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{{- end -}}
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{{- end }}
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</p></dd>
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</div>
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{{ else -}}
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<li><p>This post doesn't have any approved Webmentions yet.</p></li>
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<dt>Nothing here</dt>
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<dd>This post does not have any approved Webmentions yet.</dd>
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{{- end }}
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</ul>
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</dl>
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<p></p>
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</section>
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@ -9,7 +9,7 @@
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{{- end -}}
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{{- end -}}
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<figcaption id="{{ $id }}-caption">
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<span id="{{ $id }}">
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<span id="{{ $id }}" tabindex="-1">
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<strong itemprop="name"> <span itemprop="codeSampleType">Code snippet</span> {{ $codeIndex }}</strong>{{with .Get "lang"}} (<span itemprop="programmingLanguage">{{ . }}</span>){{ end -}}
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</span>:
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{{ .Inner | markdownify | safeHTML }}
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@ -1,5 +1,5 @@
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<figure itemscope itemtype="https://schema.org/ImageObject"
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{{- with .Get "id" }} id="{{ . }}"{{ end -}}
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{{- with .Get "id" }} id="{{ . }}" tabindex="-1"{{ end -}}
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{{- if .Get "representative" }} itemprop="image">
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<meta itemprop="representativeOfPage" content="true">
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{{- else }} itemprop="hasPart">
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@ -2,6 +2,6 @@
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{{- with .Get "itemprop" -}}
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{{- $itemprop = . -}}
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{{- end -}}
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<figure itemprop="{{ $itemprop }}"{{ with .Get "id" }} id="{{ . }}"{{ end }} itemscope itemtype="https://schema.org/Quotation">
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<figure itemprop="{{ $itemprop }}"{{ with .Get "id" }} id="{{ . }}" tabindex="-1"{{ end }} itemscope itemtype="https://schema.org/Quotation">
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{{ .Inner | markdownify }}
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</figure>
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@ -2,7 +2,6 @@
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{{- with .Get "type" -}}
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{{- $type = . -}}
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{{- end -}}
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<section aria-label="{{ $type }}, caption, and transcript" itemprop="mentions" itemscope itemtype="https://schema.org/ImageObject" id="{{ .Get "id" }}">
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<section aria-label="{{ $type }}, caption, and transcript" itemprop="mentions" itemscope itemtype="https://schema.org/ImageObject" id="{{ .Get "id" }}" tabindex="-1">
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{{ .Inner | markdownify | safeHTML }}
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</section>
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@ -14,11 +14,6 @@
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and .firstColumn == 1
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and (.extract | test(" name=\"theme-color\""))
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)
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or
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( # See https://w3c.github.io/aria/#comment
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.message == "Bad value “comment” for attribute “role” on element “p”."
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and (.extract | test("u-comment"))
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)
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) | not
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)
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)
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