On Tue, Mar 24, 2015 at 10:12 AM, Dave Angel <davea at davea.name> wrote: > On the other hand, my loop makes some non-obvious assumptions, like that > append is always the right place to put a new value. Yes, I had to stop and think about that one a bit. And that strongly suggests (to me, at least!) that it's comment-worthy :) ChrisA