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| @BLINK-ALLOW:hierarchicalLevel* | |
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| <html> | |
| <body> | |
| <h2>Heading 2, no tabIndex</h2> | |
| <h1 tabIndex="-1">Heading 1, tabIndex of negative 1</h1> | |
| <h3 tabIndex="0">Heading 3, tabIndex of 0</h3> | |
| <h4 tabIndex="1">Heading 4, tabIndex of 1</h4> | |
| </body> | |
| </html> |