<p>
When you click the following &lt;select&gt;, you should see only two options.
Mac Safari doesn't pass this test yet.
See <a href="https://bugs.webkit.org/show_bug.cgi?id=8351">Bug 8351</a> for detail.

<p>
<select>
 <option>First choice</option>
 <option style="display: none">You must NOT see this</option>
 <option>Second choice</option>
</select>