The Git Citadel team ( nostr:nprofile1qqs06gywary09qmcp2249ztwfq3ue8wxhl2yyp3c39thzp55plvj0sgprdmhxue69uhhg6r9vehhyetnwshxummnw3erztnrdakj7qguwaehxw309a6xsetrd96xzer9dshxummnw3erztnrdakj7qgswaehxw309ahx7um5wghxcctwvs2e33yr & co) have written a spec for publications (books, research papers, etc) and I have implemented a reader. These publications use asciidoc and it has an extension that allows to embed mathematical formulas on documents, chachi renders them.