public function getDirectives()
{
$directives = parent::getDirectives();
$directives = array_merge($directives, array(new Directives\LaTeXMain(), new Directives\Image(), new Directives\Meta(), new Directives\Stylesheet(), new Directives\Title(), new Directives\Url(), new Directives\Wrap('note')));
return $directives;
}