<?lsmb FILTER latex { format=FORMAT _ "(xelatex)" } ?>
\documentclass{scrartcl}
 \usepackage{xltxtra}
 \usepackage{fontspec}
 \setmainfont{LiberationSans-Regular.ttf}
\usepackage{tabularx}
\usepackage[letterpaper,top=2cm,bottom=1.5cm,left=1.1cm,right=1.5cm]{geometry}
\usepackage{graphicx}

<?lsmb REQUIRE check_base ?>

\begin{document}

\pagestyle{myheadings}
\thispagestyle{empty}

<?lsmb PROCESS check_single ?>

\end{document}
<?lsmb END # FILTER latex { format=FORMAT _ "(xelatex)" } ?>
