code: public function register(Markdown $markdown)
      {
          $this->hashes = $this->generateSpecialCharsHash();
  
          $markdown->on('escape.special_chars', array($this, 'escapeSpecialChars'));
          $markdown->on('inline', array($this, 'escapeSpecialChars'), 20);
          $markdown->on('inline', array($this, 'escapeAmpsAndBrackets'), 60);
          $markdown->on('finalize', array($this, 'unescapeSpecialChars'), 20);
      }
docs: {@inheritdoc}