mbostock/d3 — pull request #1051 by mbostock (2013-02-01 19:00:19+00:00)
Title: Avoid Prototype’s broken array.filter.

While I abhor Prototype’s practice of replacing native methods with broken non-
native ones, this is a painless fix that allows us to use d3.geom.voronoi on
nytimes.com, which shamefully continues to use Prototype.