public static function createDefaultEnvironment(array $config = array())
{
$environment = new static($config);
$environment->addConverter(new BlockquoteConverter());
$environment->addConverter(new CodeConverter());
$environment->addConverter(new CommentConverter());
$environment->addConverter(new DivConverter());
$environment->addConverter(new EmphasisConverter());
$environment->addConverter(new HardBreakConverter());
$environment->addConverter(new HeaderConverter());
$environment->addConverter(new HorizontalRuleConverter());
$environment->addConverter(new ImageConverter());
$environment->addConverter(new LinkConverter());
$environment->addConverter(new ListBlockConverter());
$environment->addConverter(new ListItemConverter());
$environment->addConverter(new ParagraphConverter());
$environment->addConverter(new PreformattedConverter());
$environment->addConverter(new TextConverter());
return $environment;
}