<header id=“header” role=“banner”>

<a href="{{ "/" | relative_url }}"><span itemprop="name">{{ site.title | escape }}</span></a>
<nav id="nav">
  <a href="{{ "/" | relative_url }}">Index</a>
  {% assign default_paths = site.pages | map: "path" %}
  {% assign page_paths = site.header_pages | default: default_paths %}
  {% if page_paths %}
    {% for path in page_paths %}
      {% assign my_page = site.pages | where: 'path', path | first %}
      {% if my_page.title %}
        <a href="{{ my_page.url | relative_url }}">
          {{ my_page.title | escape }}
        </a>
      {% endif %}
    {% endfor %}
  {% endif %}
</nav>

</header>