protected static function clearStandalone(&$result, &$index, &$tokens)
{
if ($index >= 1 && $index < count($tokens) - 1 && $tokens[$index - 1][self::TOKEN_TYPE] == self::TYPE_LINE && $tokens[$index + 1][self::TOKEN_TYPE] == self::TYPE_LINE) {
++$index;
} elseif ($index >= 2 && $index < count($tokens) - 1 && $tokens[$index - 2][self::TOKEN_TYPE] == self::TYPE_LINE && Mustache::isTokenWhitespace($tokens[$index - 1]) && $tokens[$index + 1][self::TOKEN_TYPE] == self::TYPE_LINE) {
array_pop($result);
++$index;
}
}