https://github.com/joomla/coding-standards/blob/master/manual/html.md#adding-line-breaks
afaik, it looks not necessary to use <br /> as this is rather for xhtml.
<br> should be OK.
Ref:
https://www.tutorialspoint.com/What-is-the-correct-way-of-using-br-br-or-br-in-HTML
So the question is:
- Shall we keep
<br /> as a standard for 3.x
- Shall we change the standard to
<br> generally speaking or specially for J4 as we have
9 occurences of <br />
216 occurences of <br>
@mbabker @wilsonge @HLeithner