Table of Contents for Landing Page

If no content has been set for the landing page, put up a table of
contents by default. Many simple sites don't need a landing page that
has more than a table of contents.

templates/index.html

@@ -131,7 +131,11 @@
 
         <div id="wrap">
             {% block content -%}
-                {{ section.content | safe }}
+                {%- if section.word_count > 0 -%}
+                    {{ section.content |safe }}
+                {%- else -%}
+                    {%- include "sec_toc_2_level.html" -%}
+                {% endif -%}
             {% endblock content %}
         </div>
 

templates/sec_toc_2_level.html

@@ -0,0 +1,20 @@
+<h2>Table of Contents</h2>
+{% if section.subsections -%}
+    <ul>
+        {% for subsec in section.subsections -%}
+            {% set sec_ = get_section(path=subsec) -%}
+            <li>
+                <a href="{{ sec_.permalink | safe }}">{{ sec_.title }}</a>
+                {% if sec_.pages -%}
+                    <ul>
+                        {% for page_ in sec_.pages -%}
+                            <li><a href="{{ page_.permalink | safe }}">{{ page_.title }}</a></li>
+                        {% endfor %}
+                    </ul>
+                {% endif -%}
+            </li>
+        {% endfor %}
+    </ul>
+{% else -%}
+    <h3> No Sections Found </h3>
+{% endif -%}