Get link tag returns error
<p>Why does this return an error?</p>

<pre><code>&lt;link rel="shortcut icon" type="image/x-icon" href="gfx/favicon.ico" /&gt;

var link = $('link[rel=shortcut icon]');
</code></pre>

<p>error:</p>

<pre><code>uncaught exception: Syntax error, unrecognized expression: [rel=shortcut icon]
</code></pre>
