mutter/doc/cookbook/recipe-template.xml

<!--
    <section id="recipe">
      <title>Recipe</title>

      <section>
        <title>Problem</title>

        <para>...</para>
      </section>

      <section>
        <title>Solution</title>

        <para>...</para>
      </section>

      <section>
        <title>Discussion</title>

        <para>...</para>
      </section>

    </section>
-->