yihui/knitr — Issue #134: allow more stuff to affect cache
Author: yihui
Created: 2012-02-13 17:37:24+00:00
State: open
Labels: Feature

what are described in the main manual and http://yihui.name/knitr/demo/cache/ may still not be enough; reproducible research can require even more, e.g. the version of R and even versions of all R packages, the values of environmental variables, all `options()` and so on; any changes to them may need to invalidate the cache, and we need to make it possible to allow users customize this list of objects