ch category of the normative features:</p>
                <ol>
                    <li id="exit-criteria-core-1">
                        <p>
                          Features in category 1 share the testing methodology, exit criteria, as well as the <a href="https://w3c.github.io/epub-tests/">tests</a> and <a href="https://w3c.github.io/epub-tests/results">implementation results</a>, with the <a href="#exit-criteria-rs">criteria</a> of <a href="https://www.w3.org/TR/epub-rs-33/">EPUB 3.3 Reading Systems<