public function &create($type, $parameters = array())
	{
		$class = $this->get_class($type);

		if (in_array($class, $this->legacy))
		{
			switch ($type)
			{
				case 'locator':
					// Legacy: file, timeout, useragent, file_class, max_checked_feeds, content_type_sniffer_class
					// Specified: file, timeout, useragent, max_checked_feeds
					$replacement = array($this->get_class('file'), $parameters[3], $this->get_class('content_type_sniffer'));
					array_splice($parameters, 3, 1, $replacement);
					break;
			}
		}

		if (!method_exists($class, '__construct'))
		{
			$instance = new $class;
		}
		else
		{
			$reflector = new ReflectionClass($class);
			$instance = $reflector->newInstanceArgs($parameters);
		}

		if (method_exists($instance, 'set_registry'))
		{
			$instance->set_registry($this);
		}
		return $instance;
	}