/** \brief writing bullet and enumeration lists

    This is a nested list
    - item 1
    - item 2
       - item 2.1
          - item 2.1.1
       - item 2.2
           -# numbered item 2.2.1
           -# numbered item 2.2.2
       - item 2.3
    - item 3

    \warning Empty lines reset the list counters!

    */
    void lists ();
