League\HTMLToMarkdown\Converter\ParagraphConverter::escapeOtherCharacters PHP Метод

    private function escapeOtherCharacters($line)
    {
        $escapable = array('<!--');
        foreach ($escapable as $i) {
            if (strpos($line, $i) !== false) {
                // Found an escapable character, escaping it
                $line = substr_replace($line, '\\', strpos($line, $i), 0);
            }
        }
        return $line;
    }