* Enhance rollback links by using asynchronous API requests,
* rather than navigating to an action page.
*
- * @since 1.27
+ * @since 1.28
* @author Timo Tijhof
*/
( function ( mw, $ ) {
page = mw.util.getParamValue( 'title', url ),
user = mw.util.getParamValue( 'from', url );
- if ( !page || !user ) {
+ if ( !page || user === null ) {
// Let native browsing handle the link
return true;
}