hi,

here's what i have:

\lstset{
  basicstyle=\ttfamily,
  keywordstyle=\bfseries,
  showstringspaces=false,
  columns = fullflexible,
  mathescape = true,
 language=R
}

\begin{lstlisting}
lst$val<-val
\end{lstlisting}

./software.tex:16:Extra }, or forgotten \endgroup. lst$

the culprit here is the $ sign.

thanks.

ps:

i'm posting here rather than Latex is bec i guess an R user is more likely 2
to have encountered this before, but if not ok, pls let me know.

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