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LibWeb: Handle empty string in lang attribute

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If the attribute value is the empty string `(lang="")`, the language
is set to unknown. `lang` attribute higher up in the document tree
will no longer be applied to the content of that element.
This commit is contained in:
Piotr 2024-10-31 11:36:41 +01:00 • committed by Sam Atkins
commit e2613090ed
Notes: github-actions[bot] 2024-11-04 12:07:26 +00:00
5 changed files with 90 additions and 30 deletions
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25
Tests/LibWeb/Text/input/HTML/lang-attribute-empty-1.html Normal file
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<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.test div { width: 50px; }
#box:lang(ko) { width: 100px; }
</style>
</head>
<body>
<div class="test" lang="ko">
<div id="box" lang="">Test</div>
</div>
</body>
<script src="../include.js"></script>
<script>
asyncTest((done) => {
if (document.getElementById('box').offsetWidth == 50) {
println("OK");
} else {
println("FAIL. If an element contains a lang attribute with an empty value, the value of a lang attribute higher up the document tree will no longer be applied to the content of that element.");
}
done();
});
</script>
</html>