// objective: test the \code command

// check: indexpage.xml

/** \mainpage

 * \code{.py}

 * # comment in Python

 * class Python:

 *   pass

 * \endcode

 *

 * \code{.cpp}

 * // comment in a code block

 * class Cpp {};

 * \endcode

 *

 * \code

 * // implicit code language

 * \endcode

 */