anchor.diff:                exec ${ctlScript} "$@"
                 '';
             in {
  -            description = "zope2 ${name} instance";
  +            #description = "${name} instance";
               after = [ "network.target" ];  # with RelStorage also add "postgresql.service"
               wantedBy = [ "multi-user.target" ];
               path = opts.packages;
  
positive.code:               zserver-threads ${toString opts.threads}
                effective-user ${opts.user}
  
                pid-filename /var/lib/zope2/${name}/pid
                lock-filename /var/lib/zope2/${name}/lock
                python-check-interval 1000
                enable-product-installation off
  
  
negative.code:         description = "The name of the effective user for the Zope process.";
        };
  
        clientHome = mkOption {
          default = "/var/lib/zope2/${name}";
          type = types.string;
          description = "Home directory of zope2 instance.";
        };
        extra = mkOption {
          default =
            ''
  