问HN：retreq / retspec 是什么东西吗？
我被指派撰写一个临时开发但使用频繁的遗留系统的需求。我将这种写作称为“追溯性需求”，简称“retreq”。类似地，我将“追溯性规范”称为“retspec”。请问这个术语或类似的术语是否已经存在？
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I have been tasked with writing requirements for a legacy system which was developed ad-hoc, but is heavily used. I'm calling this writing "retroactive requirements" and calling it "retreq." Similarly, "retspec" for retroactive specifications. Does this term, or something similar, exist already?