lementations may initialize the set with all buttons in the unchecked state in order to force the user to check one of the buttons before moving past a certain point in the workflow.
        </p>
      </section>

      <section id="examples">
        <img alt="" src="../../images/pattern-radio.svg">
        <h2>Examples</h2>
        <ul>
          <li><a href="examples/radio.html">Radio Group Example Using Roving tabindex</a></li>
          <li><a href="examples/radio-activedescendant.html">Radio Group Exa