The <header> element of an <article> contains all the meta data about it, including the title, author and license information.

<header>
  <title>An Article</title>
  <tagline>YAGS</tagline>
  <summary>
    An example article which a short summary.
  </summary>
 
  <author>
    <fullname>Samuel Penn</fullname>
    <email>sam@notasnark.net</email>
  </author>
 
  <cvsinfo/>
  <license/>
</header>

The title of this article. This is displayed in the header bar of each page.

Examples: “Core Rules”, “Character”, “Bestiary” etc

Secondary heading, shown in the footer of each page. This is often the name of the rules system. For example, all YAGS articles have a tagline of “YAGS”.