an></div>
      </article>

      <article>
        <h2>visual mode (selection)</h2>
        <div class="command"><span class="keys">v</span><span class="description">start selecting characters</span></div>
        <div class="command"><span class="keys">V</span><span class="description">start selecting lines</span></div>
        <p>move cursor to select text, then:</p>
        <div class="command"><span class="keys">x</span><span class="description">delete</span></div>
        <div class="command"><span cl