Possible Duplicate:
Problem with TikZ, beamer and verbatim
Is it possible to use verbatim-like environments inside a tikz node? This MWE gives an error:
\documentclass{article}
\usepackage{tikz}
\begin{document}
\tikz{
\node{\begin{verbatim}a_b\end{verbatim}};
}
\end{document}
\begin{verbatim}...\end{verbatim}? – hpesoj626 Dec 09 '12 at 12:38verbatim... – Mohan Dec 09 '12 at 12:41