c");
function check(id, expected) {
  assert_equals(
    document.getElementById(id).contentDocument.body.textContent,
    expected);
}
onload = t.step_func(function() {
  check("a", "yep");
  check("b", "ok");
  check("c", "%2525 ? %2525 # %2525");
  t.done();
});
</script>
