Content:

<span>Content:</span>
<pre id="content">placeholder</pre>
<div></div>
<span></span>
<b>test</b>
<br>
<emptycustomtag></emptycustomtag>
<anotherEmptyCustomTag></anotherEmptyCustomTag>
<customtag>more test</customtag>
<div id="testArea"></div>


test 
more test