Mine doesn't. It mostly adds and keeps referencing previous decisions. Correctly, referring to them as being overridden. Even tweaking the original text or occasionally deleting a part. But text would look differently had it been written from scratch.
Unless a LLM works truly as a compiler, there will be a drift between the code and the spec.
Unless a LLM works truly as a compiler, there will be a drift between the code and the spec.