What are New Latin's comma rules?
Specifically, where do New Latin's comma rules differ from modern English's comma rules (e.g., as documented in the 16th ed. of the Chicago Manual of Style §§6.15-6.53)?
For example, I frequently see a comma between id and quod ("that which"), as in this:
Potentiale receptivum vocabimus id, quod utrumque punctum recipit tempore t…
(by physicist Carl Neumann 1868, p. 121)
I've even seen this in Renaissance era Latin and earlier Latin, too.
This is something that would never be done with English comma rules.