If you give a correct answer, but someone gives a hint in a comment on how at a certain step in the solution a different approach would have shortened your answer, what is the best way to edit your answer? I have been adding an addendum under the old answer with the heading "Edit:", but I don't know whether it's better to just edit the entire thing and only give the newer streamlined answer?
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The purpose of writing answers is to explain something. It is not to give a chronological report of how your thoughts went, and how you interacted with a commenter. So, the answers should be optimized with the former goal in mind. Rewrite as many times as needed, and as thoroughly as needed.
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5$\begingroup$ Sometimes the thought process can be more helpful than a slick answer that might be harder to follow. $\endgroup$ – robjohn♦ Mar 4 '16 at 14:02
