// objective: test \attention, \note, \remark, \warning, and \par commands
// check: indexpage.xml
/** \mainpage
* \attention Attention message.
* \note Something to note.
* \remark A remark.
* \warning A warning message.
* \par
* Second paragraph
* \par User defined paragraph.
* Contents of paragraph.
* \par
* More text in a new paragraph.
*/