search for: knitrout

...fontsize=\footnotesize, fontshape=sl} \DefineVerbatimEnvironment{Soutput}{Verbatim}{xleftmargin=2em, fontsize=\footnotesize} In order to get a similar result (with a tiny size instead of a footnote size, but that is not the point) with knitr I included in the .Rnw file the lines \ifdefined\knitrout \renewenvironment{knitrout}{\begin{tiny}\slshape}{\end{tiny}} \else \fi What I get is something like this: http://definetti.uark.edu/~gpetris/knitr-output.pdf The problem is that the prompt sign '>' did not change either size or shape. So I am probably not using the correct appr...