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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=789315
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 789315</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
    <script type="text/javascript">
      (function() {
        const observerConfig = {
          childList: true,
        };

        var observer = new MutationObserver(onMutations);
        observer.observe(document.head, observerConfig);

        function onMutations(mutations) {
          for (var i in mutations) {
            var mutation = mutations[i];
            for (var j in mutation.addedNodes) {
              var addedNode = mutation.addedNodes[j];
              addedNode.mutationObserverHasNotified = true;
            }
          }
        }

      })();
    </script>

    <link id="testnode" rel="localization" href="dummy"></link>

    <script type="text/javascript">
      var testNode = document.getElementById("testnode");
      ok(testNode.mutationObserverHasNotified);
    </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=789315">Mozilla Bug 789315</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
</pre>
</body>
</html>