- public static function tocList( $toc, $lang = false ) {
- $lang = wfGetLangObj( $lang );
+ public static function tocList( $toc, $lang = null ) {
+ global $wgLang;
+ $lang = $lang ?? $wgLang;
+ if ( !is_object( $lang ) ) {
+ wfDeprecated( __METHOD__ . ' with type other than Language for $lang', '1.33' );
+ $lang = wfGetLangObj( $lang );
+ }
+