current URL, then the generated link tag
will be given the <code>active</code> CSS class. For example, if you were at the URL
<code>/photos/2</code>, the first example above would render as:</p>
<pre class="language-html line-numbers"><code class="html language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ul</span><span class="token punctuation">></span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li<