Yihui Xie <xie <at> yihui.name> writes: > [snip]
thanks, that all makes sense. > Two approaches to solve the problem: > > 1. either you Depends on knitr, > 2. or make install.packages() also install VignetteBuilder (specified > in DESCRIPTION) when the user chooses to install from source, i.e. > install.packages(..., type = 'source') > [snip] > Or if you want a less cryptic error message, put a code chunk like > this in your Rnw document: > > <<setup, include=FALSE>>= > library(knitr) > <at> > > I think R will emit an error that knitr was not installed, which can > be more helpful for the users to realize the real problem. I like the third option here. It might be nice if this were documented in the "Writing R extensions" manual, although I guess I shouldn't complain until I volunteer to write a documentation patch ... Ben ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
