yihui/knitr — pull request #180 by jonkeane (2012-03-25 21:12:15+00:00)
Title: Added quiet option to knit2pdf

Added a quiet option to knit2pdf that is passed to texi2pdf so that one can see the output of texi2pdf if they desire to. The default is FALSE. I also updated the manual entry for knit2pdf to reflect this.