15 lines
271 B
HTML
15 lines
271 B
HTML
<!DOCTYPE html>
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<!-- fieldset with invalid and valid elements -->
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<html>
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<head>
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<style>
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fieldset:invalid { display: none; }
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</style>
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</head>
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<body>
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<fieldset>
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<input id='i' value='foo'>
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<input required>
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<fieldset/>
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<body>
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<html>
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