yihui/knitr — pull request #674 by krlmlr (2013-12-05 12:58:52+00:00)
Title: - also show default package options in the docs - show code to retrieve list of options and engines

Addresses #669.

What version of `roxygen2` do you use? My version, from current `master`, creates lots of whitespace changes, so I couldn't update the `.Rd` files.