code: function (dom, selection) {
        var caretContainer;
  
        caretContainer = getParentCaretContainer(selection.getStart());
        if (caretContainer && !dom.isEmpty(caretContainer)) {
          Tools.walk(caretContainer, function (node) {
            if (node.nodeType === 1 && node.id !== CARET_ID && !dom.isEmpty(node)) {
              dom.setAttrib(node, 'data-mce-bogus', null);
            }
          }, 'childNodes');
        }
      }
docs: Checks if the parent caret container node isn't empty if that is the case it will remove the bogus state on all children that isn't empty