SimplePie_Misc::uncomment_rfc822

	public static function parse_date($dt)
	{
		$parser = SimplePie_Parse_Date::get();
		return $parser->parse($dt);
	}

	/**
	 * Decode HTML entities
	 *
	 * @deprecated Use DOMDocument instead
	 * @param string $data Input data
	 * @return string Output data
	 */
	public static function entities_decode($data)
	{
		$decoder = new SimplePie_Decode_HTML_Entities($data);
		return $decoder->parse();
	}

	/**
	 * Remove RFC822 comments
	 *
	 * @param string $data Data to strip comments from
	 * @return string Comment stripped string
	 */
	public static function uncomment_rfc822($string)
	{
		$string = (string) $string;
		$position = 0;
		$length = strlen($string);
		$depth = 0;

		$output = '';

		while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
		{
			$output .= substr($string, $position, $pos - $position);
			$position = $pos + 1;
			if ($string[$pos - 1] !== '\\')
			{
				$depth++;
				while ($depth && $position < $length)
				{
					$position += strcspn($string, '()', $position);
					if ($string[$position - 1] === '\\')
					{
						$position++;
						continue;
					}
					elseif (isset($string[$position]))
					{
						switch ($string[$position])