<!DOCTYPE html>
<!-- This file is intentionally malformed. -->
<html xmlns="http://www.w3.org/1999/xhtml">
<script>
<![CDATA[
var done = false;
var range = null;
function expandAndDeleteRange()
{
    range = document.createRange();
    range.expand("sentence");
    range.deleteContents();
}
var repeat = 0;
function detach()
{
    if (done)
        return;
    ++repeat;
    if (repeat >= 2) {
        done = true;
        document.removeEventListener("DOMSubtreeModified", listener, true);
        window.parent.postMessage("done", "*");
        return;
    }
    range.detach();
}

var firstCall = true;
function listener()
{
    if (firstCall) {
        firstCall = false;
        expandAndDeleteRange();
    } else
        detach();
}
document.addEventListener("DOMSubtreeModified", listener, true);

document.addEventListener("DOMContentLoaded", expandAndDeleteRange);
]]>
</script>