Using sortable and when I move items certain content from items get deleted.

Using sortable and when I move items certain content from items get deleted.

I have a bunch of list items, in some of the list items I have divs
with more content. I noticed that when I drag some items around
random content gets removed from items that have content like
<li>
<h3>title</h3>
<div class="description">


<strong>haha</strong>
testing



</div>
</li>
everything but the <h3>title</h3> is removed from the li. Is this a
bug or am I doing something wrong?
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