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Mercurial (fddffdeab170)

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<!DOCTYPE HTML>
<html>
  <head>
    <script type="application/javascript;version=1.8">
      "use strict";
      if (navigator.mozHasPendingMessage("dummy-system-message")) {
        alert("before load");
      }
      window.addEventListener("load", e => {
        if (navigator.mozHasPendingMessage("dummy-system-message")) {
          alert("load");
        }
      });
      window.addEventListener("hashchange", e => {
        switch (window.location.hash) {
          case "#checkPendingMessages":
            if (navigator.mozHasPendingMessage("dummy-system-message2")) {
              alert("after launch");
            }
            break;
          case "#setMessageHandler":
            navigator.mozSetMessageHandler("dummy-system-message", () => {
              alert("handle message");
              if (!navigator.mozHasPendingMessage("dummy-system-message")) {
                alert("no hasPendingMessages");
              }
            });
            break;
          case "#setMessageHandler2":
            navigator.mozSetMessageHandler("dummy-system-message2", () => {
              alert("handle message");
              if (!navigator.mozHasPendingMessage("dummy-system-message2")) {
                alert("no hasPendingMessages");
              }
            });
            break;
        }
      });
    </script>
  </head>
</html>