exit 1 does not seem to work in YAML lines, so move the script to ./crandalf
the tests for knit2pdf() in the optiRum package require texlive-latex-base (texi2dvi cannot find pdflatex), texlive-latex-recommended (the ec package), and texlive-fonts-extra (inconsolata)
yihui updated branch pkg/formatR Sat Oct  4 17:37:42 CDT 2014