// objective: test \arg and \li commands
// check: indexpage.xml
/** \mainpage
  \arg \c AlignLeft left alignment.
  \arg \c AlignCenter center alignment.
  \arg \c AlignRight right alignment

  No other types of alignment are supported.

  \li \c AlignLeft left alignment.
  \li \c AlignCenter center alignment.
  \li \c AlignRight right alignment

  No other types of alignment are supported.
*/