krlmlr/knitr — pull request #1 by krlmlr (2013-12-05 12:57:13+00:00)
Title: option docs

- 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.