nav.html

<ul>
	<li class="{% if page.url contains '/docs/' %}current{% endif %}">
		<a href="{{ '/docs/' | relative_url }}">Docs</a>
	</li>
	<li class="{% if page.url contains '/news/' %}current{% endif %}">
		<a href="{{ '/news/' | relative_url }}">News</a>
	</li>
	<li class="{% if page.url contains '/help/' %}current{% endif %}">
		<a href="{{ '/help/' | relative_url }}">Help</a>
	</li>
	<li class="{% if page.url contains '/about/' %}current{% endif %}">
		<a href="{{ '/about/' | relative_url }}">About</a>
	</li>
</ul>