Clearing a DIV with a Line Break

I need to catalog this somewhere so I remember. When you have a big long containing DIV tag containing multiple other blocks of DIVs you should use a clear-all styled line break on the inside end of the containing DIV to ensure that it wraps around all it is supposed to (thanks to Glish):

Published by <span class='p-author h-card'>Andy</span>

Gay Hoosier Taurus INFJ ex-playwright pianist gymbunny published author in San Francisco.