<table> 
    <tr><td>&nbsp;</td><td>Topic</td><td>Subtopic</td></tr>

    {% if page.next %}
    {% if page.next.url %}
    {% if page.next.subtitle %}
    <tr><td>&nbsp;&nbsp;Next:&nbsp;&gt;</td><td> {{page.next.title}}</td><td><a class="prev" href="{{page.next.url}}">&nbsp;{{page.next.subtitle}}&nbsp;</td></tr>
    {% else %}
    <tr><td>&nbsp;&nbsp;Next:&nbsp;&gt;</td><td> <a class="prev" href="{{page.next.url}}">&nbsp;{{page.next.title}}&nbsp;</a></td><td>&nbsp;</td></tr>
    {% endif %}
    {% endif %}
    {% endif %}

    {% if page.previous %}
    {% if page.previous.url %}
    {% if page.previous.subtitle %}
    <tr><td>&lt;&nbsp;&nbsp;Prev:&nbsp;&nbsp;</td><td> {{page.previous.title}}</td><td><a class="prev" href="{{page.previous.url}}">&nbsp;{{page.previous.subtitle}}&nbsp;</td></tr>
    {% else %}
    <tr><td>&lt;&nbsp;&nbsp;Prev:&nbsp;&nbsp;</td><td> <a class="prev" href="{{page.previous.url}}">&nbsp;{{page.previous.title}}&nbsp;</a></td><td>&nbsp;</td></tr>
    {% endif %}
    {% endif %}
    {% endif %}
    

     
    {% if page.category %}
    {% for section in site.data.sections %}
    {% assign attr = section[0] %}
    {% if attr == page.category %}
    {% assign label = section[1] %}   
    {% endif %}
    {% endfor %}
    {% if label %}
    <tr><td><i>This Category:</i></td><td><a href="/cats/{{ page.category }}/">{{ label }}</a></td></tr>


    {% if page.previous_in_category %}
    {% if page.previous_in_category.url %}
    {% if page.previous_in_category.subtitle %}
    <tr><td>&nbsp;&nbsp;Next:&nbsp;&gt;</td><td> {{page.previous_in_category.title}}</td><td><class="prev" href="{{page.previous_in_category.url}}">&nbsp;{{page.previous_in_category.subtitle}}&nbsp;</td></tr>
    {% else %}
    <tr><td>&nbsp;&nbsp;Next:&nbsp;&gt;</td><td> <a class="prev" href="{{page.previous_in_category.url}}">&nbsp;{{page.previous_in_category.title}}&nbsp;</a></td><td>&nbsp;</td></tr>
    {% endif %}
    {% endif %}
    {% endif %}

    {% if page.next_in_category %}
    {% if page.next_in_category.url %}
    {% if page.next_in_category.subtitle %}
    <tr><td>&lt;&nbsp;&nbsp;Prev:&nbsp;&nbsp;</td><td> {{page.next_in_category.title}}</td><td><a class="prev" href="{{page.next_in_category.url}}">&nbsp;{{page.next_in_category.subtitle}}&nbsp;</td></tr>
    {% else %}
    <tr><td>&lt;&nbsp;&nbsp;Prev:&nbsp;&nbsp;</td><td> <a class="prev" href="{{page.next_in_category.url}}">&nbsp;{{page.next_in_category.title}}&nbsp;</a></td><td>&nbsp;</td></tr>
    {% endif %} {% end raw %}
    {% endif %}
    {% endif %}

    {% endif %}
    {% endif %}