data-menu-pos-ref oddity

my homepage view-source rendered html looks like this:

Code:

<div data-template-name="public:PAGE_CONTAINER::nav_entry" class="p-navEl " data-has-children="true">
<a data-template-name="public:PAGE_CONTAINER::nav_link" href="/whats-new/" class="p-navEl-link p-navEl-link--splitMenu " data-nav-id="whatsNew">What's new</a>
<a data-xf-key="2" data-xf-click="menu" data-menu-pos-ref="< .p-navEl" class="p-navEl-splitTrigger" role="button" tabindex="0" aria-label="Toggle expanded"...

Read more

Читать далее...