code: function _isLineBreakOrBlockElement(element) {
        if (_isLineBreak(element)) {
          return true;
        }
  
        if (wysihtml5.dom.getStyle("display").from(element) === "block") {
          return true;
        }
  
        return false;
      }
docs: Checks whether the elment causes a visual line break
  (<br> or block elements)