protected function appendFilters(Attribute $attribute, $filters)
	{
		foreach (preg_split('#\\s*,\\s*#', $filters) as $filterName)
		{
			if (substr($filterName, 0, 1) !== '#'
			 && !in_array($filterName, $this->allowedFilters, true))
			{
				throw new RuntimeException("Filter '" . $filterName . "' is not allowed in BBCodes");
			}

			$filter = $this->configurator->attributeFilters->get($filterName);
			$attribute->filterChain->append($filter);
		}
	}