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Test text-overflow's bidi handling with unicode-bidi: plaintext #60367

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andreubotella merged 2 commits into from
Jun 8, 2026
Merged

Test text-overflow's bidi handling with unicode-bidi: plaintext #60367

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6b730f1
Test `text-overflow`'s bidi handling with `unicode-bidi: plaintext`
andreubotella Jun 3, 2026
4ebde9d
Fix width
andreubotella Jun 8, 2026
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23 changes: 23 additions & 0 deletions css/css-ui/reference/text-overflow-string-008-ref.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Basic User Interface Reference File</title>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
div {
font-family: monospace;
font-size: 10px;
}
span.ahem {
font-family: Ahem;
font-size: 30px;
}
</style>
<body>
<p>Test passes if there is a "<strong dir="ltr">ום A</strong>" after a black rectangle below.</p>
<div>
<span class="ahem">ext</span><span dir="ltr">ום A</span>
</div>
</body>
</html>

width: 130px;
34 changes: 34 additions & 0 deletions css/css-ui/text-overflow-string-008.html
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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Basic User Interface Test: text-overflow with bidi string ellipsis (interaction with unicode-bidi: plaintext)</title>
<link rel="author" title="Andreu Botella" href="mailto:abotella@igalia.com">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/12617">
<link rel="match" href="reference/text-overflow-string-008-ref.html">
<meta name="assert" content="Test checks text-overflow ellipsis takes their bidi direction from the paragraph. With unicode-bidi: plaintext, this is the bidi paragraph's determined direction, not the value of the `direction` property.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
div {
font-family: monospace;
font-size: 10px;
overflow: hidden;
/* This custom ellipsis string has mixed LTR/RTL characters
* ("A" and "ום"), but its base direction (determined by the first strong
* char 'ו') is RTL. */
text-overflow: "ום A";
width: calc(90px + 4.1ch);
/* Even though the div has dir="rtl" (and therefore `direction: rtl`), its
* actual bidi direction is determined by its content, which is LTR. */
unicode-bidi: plaintext;
}
span {
font-family: Ahem;
font-size: 30px;
}
</style>
<body>
<p>Test passes if there is a "<strong dir="ltr">ום A</strong>" after a black rectangle below.</p>
<div dir="rtl">
<span>TestChecksThatTheBrokenContentRepalcedByBidiText</span>
</div>
</body>
</html>
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