[ 'class' => 'mw-htmlform-submit-buttons' ], "\n$buttons" ) . "\n";
}
- protected function wrapFieldSetSection( $legend, $section, $attributes ) {
+ protected function wrapFieldSetSection( $legend, $section, $attributes, $isRoot ) {
// to get a user visible effect, wrap the fieldset into a framed panel layout
$layout = new OOUI\PanelLayout( [
'expanded' => false,