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markup: Add tabindex="0" to default <pre> wrapper

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Currently the generated `<pre>` element isn't fully accessible as it can't be focused by keyboard users.
To make this fully accessible, the attribute `tabindex="0"` should be added to the `<pre>` tag.

Closes #7194
This commit is contained in:
rhymes
2021-07-15 16:48:39 +02:00
committed by GitHub
parent ae6cf93c84
commit f27e542442
5 changed files with 13 additions and 13 deletions
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4
hugolib/embedded_shortcodes_test.go
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@@ -89,13 +89,13 @@ func TestShortcodeHighlight(t *testing.T) {
`{{< highlight java >}}
void do();
{{< /highlight >}}`,
`(?s)<div class="highlight"><pre style="background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-java"`,
`(?s)<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-java"`,
},
{
`{{< highlight java "style=friendly" >}}
void do();
{{< /highlight >}}`,
`(?s)<div class="highlight"><pre style="background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-java" data-lang="java">`,
`(?s)<div class="highlight"><pre tabindex="0" style="background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-java" data-lang="java">`,
},
} {