/** @page about About Greeter
  @tableofcontents
  Everyone likes a good, personalized greeting.
  @section sec An example section
  This page contains the subsections @ref subsection1 and @ref subsection2.
  For more info, see page @ref page2.
  @subsection subsection1 The first subsection
  Text.
  @subsection subsection2 The second subsection
  More text.
*/