markdown.processors.add has been deprecated and removed, see a767b2daaa (diff-73515afd0109793374fb1748b8642ce5099d18d6924a8a06420da6e219eea32cL415)
a767b2daaa (diff-73515afd0109793374fb1748b8642ce5099d18d6924a8a06420da6e219eea32cL415)