code: function( includeChildren, cloneId ) {
  		var $clone = this.$.cloneNode( includeChildren );
  
  		var removeIds = function( node ) {
  				// Reset data-cke-expando only when has been cloned (IE and only for some types of objects).
  				if ( node[ 'data-cke-expando' ] )
  					node[ 'data-cke-expando' ] = false;
  
  				if ( node.nodeType != CKEDITOR.NODE_ELEMENT )
  					return;
  				if ( !cloneId )
  					node.removeAttribute( 'id', false );
  
  				if ( includeChildren ) {
  					var childs = node.childNodes;
  					for ( var i = 0; i < childs.length; i++ )
  						removeIds( childs[ i ] );
  				}
  			};
  
  		// The "id" attribute should never be cloned to avoid duplication.
  		removeIds( $clone );
  
  		return new CKEDITOR.dom.node( $clone );
  	}
docs: Clones this node.
  
  **Note**: Values set by {#setCustomData} will not be available in the clone.
  
  @param {Boolean} [includeChildren=false] If `true` then all node's
  children will be cloned recursively.
  @param {Boolean} [cloneId=false] Whether ID attributes should be cloned, too.
  @returns {CKEDITOR.dom.node} Clone of this node.