anchor.diff:  # TODO: LWP/Pg perl libs aren't recognized
   
   # TODO: support fastcgi
  -# http://munin-monitoring.org/wiki/CgiHowto2
  +# http://guide.munin-monitoring.org/en/latest/example/webserver/apache-cgi.html
   # spawn-fcgi -s /run/munin/fastcgi-graph.sock -U www-data   -u munin -g munin /usr/lib/munin/cgi/munin-cgi-graph
   # spawn-fcgi -s /run/munin/fastcgi-html.sock  -U www-data   -u munin -g munin /usr/lib/munin/cgi/munin-cgi-html
   # https://paste.sh/vofcctHP#-KbDSXVeWoifYncZmLfZzgum
  
positive.code:         '';
          description = ''
            Definitions of hosts of nodes to collect data from. Needs at least one
            hosts for cron to succeed. See
            <link xlink:href='http://munin-monitoring.org/wiki/munin.conf' />
          '';
        };
  
  
negative.code:         default = "";
          description = ''
            <filename>munin.conf</filename> extra global configuration.
            See <link xlink:href='http://guide.munin-monitoring.org/en/latest/reference/munin.conf.html' />.
            Useful to setup notifications, see
            <link xlink:href='http://guide.munin-monitoring.org/en/latest/tutorial/alert.html' />
          '';
          example = ''
            contact.email.command mail -s "Munin notification for ''${var:host}" someone@example.com
  