chromium/content/test/data/accessibility/html/section.html

<!--
@MAC-ALLOW:AXRoleDescription
@UIA-WIN-ALLOW:ControlType='UIA_GroupControlTypeId'
@UIA-WIN-ALLOW:LocalizedControlType='section'
@WIN-ALLOW:localized_extended_role='section'
@WIN-ALLOW:xml-roles:*
@AURALINUX-ALLOW:xml-roles:*
-->
<!DOCTYPE html>
<html>
<body>

<section>
  An unnamed section element gets the generic role.
</section>

<section aria-label='name'>
  Named section element #1 gets the region role
</section>

<section aria-labelledby='section1'>
  <span id="section1">Named section element #2 gets the region role</span>
</section>

<section title='name'>
  Named section element #3 gets the region role
</section>

</body>
</html>