mermaid
#######

::

    .. mermaid::

       sequenceDiagram
          participant Alice
          participant Bob
          Alice->John: Hello John, how are you?
          loop Healthcheck
              John->John: Fight against hypochondria
          end
          Note right of John: Rational thoughts <br/>prevail...
          John-->Alice: Great!
          John->Bob: How about you?
          Bob-->John: Jolly good!



.. mermaid::

   sequenceDiagram
      participant Alice
      participant Bob
      Alice->John: Hello John, how are you?
      loop Healthcheck
          John->John: Fight against hypochondria
      end
      Note right of John: Rational thoughts <br/>prevail...
      John-->Alice: Great!
      John->Bob: How about you?
      Bob-->John: Jolly good!