if ( $wgDBname === 'commonswiki' ) {
		$wgHooks['TranslatePostInitGroups'][] = function ( &$cc ) {
			$id = 'wiki-translatable';
			$mg = new WikiMessageGroup( $id, 'translatable-messages' );
			$mg->setLabel( 'Interface' );
			$mg->setDescription( 'Messages used in the custom interface of this wiki' );
			$cc[$id] = $mg;
			return true;
		};
	};