basic demo

<!layout /.includes/layout.htex>
<article>
  <h2>basic demo</h2>
  <!method get>
    <form action="." method="post">
      <input type="text" name="username" placeholder="username">
      <input type="password" name="password" placeholder="password">
      <button type="submit">sign in</button>
    </form>
  <!method post>
    <p>Username <code>"<!data username>"</code></p>
    <p><a href=".">Go back</a></p>
  <!method any>
</article>
<article>
  <code>basic.htex</code> source file:
  <pre><code class="language-html"><!include-escaped basic.htex></code></pre>
</article>