1B 24 42 79")   not sure how to test this, since it corrupts the html following
    t++;
    tests[t] = async_test("trail byte out of range: 1B 24 42 79 7F 1B 28 42");

    t++;
    tests[t] = async_test("escape start: 1B 65 79 56 1B 28 42");
    t++;
    tests[t] = async_test("escape: 1B 24 65 79 56 1B 28 42");

    t = -1;
    t++;
    tests[t].step(function() {
        assert_equals(nodes[t].textContent, "�$ByV");
    });
    tests[t].done();
    t++;
    tests[t].step(function() {
        assert_equal