Message::reduceHead

static function reduceHead(&$text)
{
	preg_match_all('/[/?([busi]|img|table|tr|td|th|quote|(url|size|color|font|list)(=.+?)?)]/is', $text, $tags);

	$result = join($tags[0]);
	unset($tags);

	do
	{
		$result = preg_replace('/[([busi]|img|table|tr|td|th|quote|url|size|color|font|list)(=.+?)?][/1]/is', '', $result, -1, $n2);
	}
	while ($n2 > 0);

	return $result;
}