<pre>
<a href="{{routeurl "root"}}">Default view</a>
<a href="{{routeurl "content" filler="foo"}}">Content view - foo</a>
<a href="{{routeurl "content" filler="bar"}}">Content view - bar</a>
<a href="/nosuchurl">No matching route</a>
{{!control "foo" control-error="oops!"}}
</pre>