I have started revising some of my old answers. For some questions I'm finding much better answers. I'm torn on whether I should leave my original answer, which is correct but not the best answer, and just append the new better answer. Or, should I completely replace my old answer with the better answer. I suspect leaving old correct answers, even if they are not the best, betters the community more than if I were to remove it entirely. What should be best practice in this instance?
Basically, do one of two things: