I don't understand the question. I am not familiar with Haskell but from what I understand Pandoc is a group of hand crafted parsers (readers) for markup format

I don't understand the question. I am not familiar with Haskell but from what I understand Pandoc is a group of hand crafted parsers (readers) for markup formats. How does this relate to a discussion on the relevance of parser generators / libraries? https://github.com/jgm/pandoc/tree/master/src/Text/Pandoc https://github.com/jgm/pandoc/tree/master/src/Text/Pandoc