core/library/parsedown/test/data/self-closing_html.html

<hr>
<p>paragraph</p>
<hr/>
<p>paragraph</p>
<hr />
<p>paragraph</p>
<hr class="foo" id="bar" />
<p>paragraph</p>
<hr class="foo" id="bar"/>
<p>paragraph</p>
<hr class="foo" id="bar" >
<p>paragraph</p>