code: function(options) {
          var doc             = node.ownerDocument,
            nextSibling     = wysihtml5.dom.domNode(node).next({ignoreBlankTexts: true}),
            previousSibling = wysihtml5.dom.domNode(node).prev({ignoreBlankTexts: true});
  
          if (nextSibling && !_isLineBreakOrBlockElement(nextSibling)) {
            wysihtml5.dom.insert(doc.createElement("br")).after(node);
          }
          if (previousSibling && !_isLineBreakOrBlockElement(previousSibling)) {
            wysihtml5.dom.insert(doc.createElement("br")).before(node);
          }
        }
docs: /* wysihtml5.dom.lineBreaks(element).add();
  
  Adds line breaks before and after the given node if the previous and next siblings
  aren't already causing a visual line break (block element or <br>)