chromium/content/test/data/accessibility/aria/aria-details-multiple.html

<!--
@MAC-ALLOW:AXDetailsElements
@BLINK-ALLOW:details*
@WIN-ALLOW:n_relations*
@WIN-ALLOW:details=*
@WIN-ALLOW:details-roles:*
@UIA-WIN-ALLOW:Annotation.AnnotationType*
-->
<!DOCTYPE html>
<html>
  <body>
    Some <span role="mark" id="annotated-text" aria-details="comment footnote definition">highlighted text</span> example.
    <div role="comment" id="comment">Good job!</div>
    <div role="doc-footnote" id="footnote">Some footnote.</div>
    <div id="definition" role="definition">The meaning is.</div>
  </body>
</html>