Yeah, I understand why they would write a clone, but "clean-room" has a specific meaning[1], and it's not clear why you would want or need that extra effort her

Yeah, I understand why they would write a clone, but "clean-room" has a specific meaning[1], and it's not clear why you would want or need that extra effort here. Of course, I could just be misunderstanding, and they could be using "clean-room" as a synonym for "from scratch", rather than the meaning I linked to. [1] https://en.wikipedia.org/wiki/Clean_room_design https://en.wikipedia.org/wiki/Clean_room_design