<header>
	<h1><a href="{{ url_for('menu.index') }}">contentmatcher</a></h1>
	<nav>
		{% if username %}
		<span>logged in as <em>{{username}}</em></span>
		<a href="{{ url_for('auth.logout') }}">log out</a>
		{% else %}
		<a href="{{ url_for('auth.register') }}">register</a>
		<a href="{{ url_for('auth.login') }}">log in</a>
		{% endif %}
	</nav>
</header>
