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bdo nested within elements, elements nested within bdo

Classified as: flow content, phrasing content, palpable content

Parents, bdo

Children, bdo

Examples: bdo parents, bdo children

Valid Syntax 1
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15		<!doctype html>
<html>
<head>
<title>...</title>
</head>
<body>

<p>
<bdo>

</bdo>
</p>

</body>
</html>
Valid Syntax 2
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17		<!doctype html>
<html>
<head>
<title>...</title>
</head>
<body>

<p>
<bdo>
<a>

</a>
</bdo>
</p>

</body>
</html>
Invalid Syntax 3
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16		<!doctype html>
<html>
<head>
<title>...</title>
<bdo> ... </bdo>
</head>
<body>

<bdo>
<article>

</article>
</bdo>

</body>
</html>

Syntax 1: Valid, bdo nested inside p: allowed
Syntax 2: Valid, a nested inside bdo: allowed
Syntax 3: Invalid, bdo nested inside head: not allowed; article nested inside bdo: not allowed

bdo intro bdo syntax