          </li>
                    <li id="exit-criteria-a11y-2">
                        <p>
                          Testing the features in category 2 concentrates on vocabulary term <em>usage</em>, i.e., that real-world publishers use those terms. Each term must have at least two independent publishers using those terms in production.
                        </p>
                        <p>
                          The separate <a href="a11y-properties-use">EPUB Accessibility 1.1 Metadata Usage Repo