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    <p>
        This tests that an anonymous operator created by mfenced does not
        set itself as the mfenced node&#x2019;s renderer.
    </p>
    <p>
        The test passes if it does not crash or cause an assertion failure.
    </p>
    <div id="container">
        <m:math><span><m:mfenced id="target"><m:mo></m:mo></m:mfenced></span></m:math>
    </div>
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            testRunner.dumpAsText();

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        document.getElementById("container").style.display = "none";
    ]]></script>
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