search for: showpdfmanual

Simple question but searching rseek did not yield the results I wanted. Question: Is there a way to open a help manual for a package from within R. For instance I would like to type a function in r for the tm package and R would open that PDF as seen here: http://cran.r-project.org/web/packages/tm/tm.pdf -The vignette function exists for vignettes [vignette("package.name")] so I