$title = wfMessage( 'toc' )->inLanguage( $lang )->escaped();
return '<div id="toc" class="toc">'
- . '<div class="toctitle"><h2>' . $title . "</h2></div>\n"
+ . Html::openElement( 'div', [
+ 'class' => 'toctitle',
+ 'lang' => $lang->getHtmlCode(),
+ 'dir' => $lang->getDir(),
+ ] )
+ . '<h2>' . $title . "</h2></div>\n"
. $toc
. "</ul>\n</div>\n";
}