[judk]

Those labelled jumps are equivalent to common unlabeled continues, but safer.

The braceless do-whiles are isolated by blank lines and have leading comments.

I'd prefer bostock's code over the average uncommented code with cryptic abbreviated var names.

[kabdib]

These would basically be "time for serious feedback" at any place I've worked in the last 25 years.

Seriously, the style is going to generate errors.

[cwmma]

so bostock has gotten better, but there was a time (also known as when I did a lot of stuff with topojson and unraveled how it worked) where it looked like this https://github.com/mbostock/topojson/blob/fe691fc61c38a79b09...