With some attributes:

<div id="test">
	foo
</div>

<div id="test"
     class="nono">
	foo
</div>
	
Hr's:

<hr class="foo"
    id="bar" >

Details and Summary:

<details>
  <summary>Some details</summary>
  <p>More info about the details.</p>
</details>

Regression:

<pre>
#test
</pre>

<p>Hello</p>
<p>Michael</p>
<p>E.</p>