Satisfaction survey from the new RFC 166 formatting?

BTW to satisfy my initial complaint, another option would be to allow this:

{
  outputs =
    [
      "out"
    #]
    #++ lib.optionals stdenv.isDarwin [
    # "dev"
    # "man"
    ];
}

Then when that comment will be uncommented, it would not cause a big diff. What do you think @Infinisil ? This way maintainers would be able to start out with code formatted in such a way that future diffs will be clean.