Emanuel Berg <incal@dataswamp.org> writes:

>   (unless end
>     (setq end 73))
>   (unless step
>     (setq step (min 10 (max 2 (/ end 10)))))
>   (unless i
>     (setq i 0))

This could already be trimmed a lot:

(setq
  end (or end 37)
  step (or step (min 10 (max 2 (/ end 10))))
  i (or i 0))

⇒ start optimizing where no syntax breakage is needed.

Best wishes,
Arne
-- 
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