/themes/octopress/templates/_includes/navigation.html

{% if DISPLAY_FEEDS_ON_MENU|default(true) %}
<ul class="subscription" data-subscription="rss">
  {% if FEED_FEEDBURNER %}
  <li><a href="http://feeds.feedburner.com/{{ FEED_FEEDBURNER }}" rel="subscribe-rss">RSS</a></li>
  {% else %}
  {% if FEED_ATOM %}
  <li><a href="{{ FEED_DOMAIN }}/{{ FEED_ATOM }}" rel="subscribe-atom">Atom</a></li>
  {% endif %}
  {% if FEED_RSS %}
  <li><a href="{{ FEED_DOMAIN }}/{{ FEED_RSS }}" rel="subscribe-rss">RSS</a></li>
  {% endif %}
  {% endif %}
</ul>
{% endif %}

{% if SEARCH_BOX %}
<form action="{{ SITESEARCH|default('https://www.google.com/search') }}" method="get">
  <fieldset role="search">
    {% if 'duckduckgo.com' in SITESEARCH|lower %}
    <input type="hidden" name="sites" value="{{ SITEURL|replace('https://','')|replace('http://','') }}" />
    {% else %}
    <input type="hidden" name="sitesearch" value="{{ SITEURL|replace('https://','')|replace('http://','') }}">
    {% endif %}
    <input class="search" type="text" name="q" results="0" placeholder="Search"/>
  </fieldset>
</form>
{% endif %}

<ul class="main-navigation">
  {% for title, link in MENUITEMS %}
    <li><a href="{{ link }}">{{ title }}</a></li>
  {% endfor %}
  {% if DISPLAY_PAGES_ON_MENU %}
    {% for page in PAGES %}
      <li><a href="{{ SITEURL }}/{{ page.url }}">{{ page.title }}</a></li>
    {% endfor %}
  {% endif %}
  {% if MENUITEMS_MIDDLE %}
    {% for title, link in MENUITEMS_MIDDLE %}
      <li><a href="{{ link }}">{{ title }}</a></li>
    {% endfor %}
  {% endif %}
  {% if DISPLAY_CATEGORIES_ON_MENU %}
    {% for cat, null in categories %}
      <li {% if cat == category %}class="active"{% endif %}>
        <a href="{{ SITEURL }}/{{ cat.url }}">{{ cat | capitalize }}</a>
      </li>
    {% endfor %}
  {% endif %}
  {% if MENUITEMS_AFTER %}
    {% for title, link in MENUITEMS_AFTER %}
      <li><a href="{{ link }}">{{ title }}</a></li>
    {% endfor %}
  {% endif %}
</ul>