By doing a SHIFT+RETURN, the editor generates:
<p>example text<br /><br /></p>
I thought this should work, but it isn't. If you really want this, you need to remove manually all the paragraph tags. Why do you want this?
Edit after comment Wouter:
If you're sending emails, you could do the following:
tags with a microflow before sending your mail. We're actually using this in some of our projects.