For Reddit, I would use the new parser for comments written after the upgrade and the old parser for comments written before the upgrade. Note that Reddit alrea

For Reddit, I would use the new parser for comments written after the upgrade and the old parser for comments written before the upgrade. Note that Reddit already puts post that are older then a month or so into a "frozen" archive mode where they can not be further modified, so after a month the old parser could be thrown away completely. Not sure what to do about Github.