使用metaverbatim
输出LaTeX源码
documentclass{article}usepackage{verbatim}
ewenvironment{metaverbatim}{verbatim}{endverbatim}
egin{document}
egin{metaverbatim}
egin{verbatim}
This is a verbatim block.
end{verbatim}
end{metaverbatim}
end{document}
编译输出效果如下: