https://en.wikipedia.org/wiki/Leiden_Conventions
Classical scholars met in 1931 to establish a set of convention and sigla (symbols, brackets, etc.) for indicating the conditions of texts, editorial corrections, and restorations in inscriptions, papyri, manuscripts and other writing contexts.
he wishes Lacuna could be updated more easily. Texts must be submitted to the tech team for uploading, which can take a few days, and once his grant funded fellowship ended, he had to upload documents on his own, he said.
Major difference with Hypothesis. Enabling annotation only in a specialized content repository drastically limits the utility of annotation.