<style>
div {
  letter-spacing: 1em;
  text-wrap: pretty;
}
html, div {
  margin-right: 10000px;
  display: table-header-group;
}
*:last-child {
  font-family: system-ui;
}
</style>
<script>
   if (window.testRunner)
       testRunner.dumpAsText();
</script>
<div contenteditable="true"><span>just some long long long long long long long long longlong long long long long long text</span>AAAAAAAAAAAAAAAAAAAA</div>
This test passes if it doesn't crash.