Good idea. I remember I have done some research about this in the past when I tried to trace historical arguments for the infamous "should there be a space befo

Good idea. I remember I have done some research about this in the past when I tried to trace historical arguments for the infamous "should there be a space before slash in void tags for the best compatibility" <br/> vs <br /> (vs <br>) discussion, but didn't get much far then (https://stackoverflow.com/a/30880386/540955 https://stackoverflow.com/a/30880386/540955).