Bug in ckeditor

Hi I have confirmed this bug and tested on your demo page. here is the scenario to recreate this bug.:
1. switch to source mode
2. add the following 2 lines any place except empty page. ( I used used your existing demo page)
<video controls="controls" poster="/videos/HelloYellow.jpg" height="390" width="693">
<source src="/videos/JuicynistaDemo.mp4" type="video/mp4"> </source> </video>
3. Close source mode .
4. go back and check the code. now ckedit now the code is changed to the following with an additional line marked in red :

<video controls="controls" height="390" poster="/videos/HelloYellow.jpg" width="693">
<source src="/videos/JuicynistaDemo.mp4" type="video/mp4"> </source></video>
<p>
<source src="/videos/JuicynistaDemo.mp4" type="video/mp4">
<p>
&nbsp;</p>
<p>
&nbsp;</p>
<p>
&nbsp;</p>
</source></p>

I hope you can help me with this, please note <video> tag is HTML5 tag. if you place the lines in (2) at the end of page this error does not occur. This only happens if there is a <p> tag any where on the page.