SimplePie_Item::get_copyright

		{
			return $authors;
		}

		return null;
	}

	/**
	 * Get the copyright info for the item
	 *
	 * Uses `<atom:rights>` or `<dc:rights>`
	 *
	 * @since 1.1
	 * @return string
	 */
	public function get_copyright()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
		{