I often wonder: - What is this trying to accomplish? - Why are you doing it this way? - Why not this other way? Ideally these things would be answered in co

I often wonder: - What is this trying to accomplish? - Why are you doing it this way? - Why not this other way? Ideally these things would be answered in comments, but they often aren't. The commit message hopefully answers #1, and it links to the code review tool which may shed light on the others.