many_nbsp = <div>&nbsp; &nbsp; </div>
single_nbsp = <div>&nbsp;</div>
nbsp_with_newline =
  <div>
    &nbsp;
  </div>

many_raw_nbsp = <div>   </div>
many_raw_spaces = <div>   </div>


amp = <span>foo &amp; bar</span>
raw_amp = <span>foo & bar</span>