(section :title [Services]

      (subsection :title [Mosquitto]

        (p [Mosquitto is a lightweight message broker that implements the MQTT protocol versions 5.0, 3.1.1 and 3.1.  It is suitable for use on all devices from low power single board computers to full servers.])

        (description

         (item :key (p [Variable: ,(code [mosquitto-service-type])])

               (p [This is the service type for the Mosquitto MQTT broker.  Its value is a ,(code [mosquitto-configuration]) (see below).]))

         (item :key (p [Data Type: ,(code [mosquitto-configuration])])

               (p [This is the configuration for Mosquitto, with the following fields:])

               (description

                (item :key (p [,(code [package]) (default: ,(code [mosquitto]))])

                      (p [The Mosquitto package to use.]))

                (item :key (p [,(code [config-file]) (default: ,(code [#f]))])

                      (p [The Mosquitto configuration file as a file-like object or the value ,(code [#f]) to use the default configuration.]))

                (item :key (p [,(code [user]) (default: ,(code ["mosquitto"]))])

                      (p [Owner of the broker process.]))

                (item :key (p [,(code [group]) (default: ,(code ["mosquitto"]))])

                      (p [Owner's group of the broker process.])))))))))