title: How can I get tag name when delete it in CkEditor 3
body: <p>I have DOM like this in CKEDITOR 3</p>
  
  <p><code>&lt;div style="text-align: center;"&gt;
      &lt;div class="embed-container"&gt;
          &lt;img src="http://ducpt1.st.public.editor.vnexpressdev.net/original/images/blank.png" title="Video" /&gt;
      &lt;/div&gt;
  &lt;/div&gt;</code>
  When I choosed img and deleted it, how could I check it is img tag ???</p>
  
  <p>Sorry for my bad Endlish !!!</p>