Hendri Adriaens writes: > > Is this an FAQ, or something that others do frequently? In either > > case, how? > > See powerdot-example3.tex. I don't see any use of \twocolumn in that file. > > If not, I'll post more details and maybe someone can lend a hand. > > Always post a minimal example with your question to avoid us guessing > what you are trying to do. Here's an example, using the "example" environment from powerdot-example3.tex. It dies with: ! Argument of \lst@next has an extra }. <inserted text> \par l.9 } Thanks for any suggestions! g. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \documentclass[style=sailor,paper=screen,mode=present]{powerdot} \usepackage{listings} \pdsetup{palette=Wine} \lstnewenvironment{example}[1][]{% \lstset{basicstyle=\footnotesize\ttfamily,columns=flexible,% backgroundcolor=\color{pdcolor4!30}, frame=single,% xleftmargin=\fboxsep,xrightmargin=\fboxsep,gobble=1% }\lstset{#1}}{} \begin{document} \begin{slide}[method=file]{test slide} top... \twocolumn{%Left \begin{example} example \end{example} } {%Right right... } bottom... \end{slide} \end{document}