- * Checks if this node is read-only (should not be changed). Additionally\r
- * it returns the element that defines the read-only state of this node\r
- * (if present). It may be the node itself or any of its parent\r
- * nodes.\r
- * @returns {CKEDITOR.dom.element|Boolean} An element containing\r
- * read-only attributes or "false" if none is found.\r