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chromium/content/test/data/accessibility/mac/attributed-string/suggestion.html 

<!--
@SCRIPT:
  tr_suggestion:= suggestion.AXTextMarkerRangeForUIElement(suggestion)
  suggestion.accessibilityAttributeValue(AXAttributedStringForTextMarkerRange, tr_suggestion)
-->
<!DOCTYPE html>
<div role="suggestion" id="suggestion">Suggestion Text</div>