protected function prepare($block)
{
$block = str_replace(array("\r\n", "\r"), "\n", mb_substr($block, 3, -2));
$raw = array();
foreach (explode("\n", $block) as $line) {
$line = preg_replace('/^\\s*\\*? ?/', '', $line);
$raw[] = rtrim($line, " \n\t*");
}
return $raw;
}