I posted an answer to a question that had an accepted answer, and it gets upvotes once in a while. The accepted answer was correct at the time. My search for th

I posted an answer to a question that had an accepted answer, and it gets upvotes once in a while. The accepted answer was correct at the time. My search for the answer later turned up the SO question and answer plus the new correct answer from the cmake site. So I posted my new information as a new answer. I think if a question is closed, that would mean no corrections or updates would be possible.