hadley/evaluate — pull request #24 by yihui (2012-12-28 02:28:30+00:00)
Title: capture persp() plots

Because `persp()` does not call the `before.plot.new` hook, such plots in a loop will not be captured; this is a simple fix.

The problem was found by Harvey Lime: http://yihui.name/knitr/#comment-745532480