anchor.diff:  
         useWebServiceInterface = mkOption {
           default = false;
  -	description = "Whether to enable the DisnixWebService interface running on Apache Tomcat";
  +        description = "Whether to enable the DisnixWebService interface running on Apache Tomcat";
         };
   
         publishInfrastructure = {
           enable = mkOption {
             default = false;
  -	  description = "Whether to publish capabilities/properties of this machine in as attributes in the infrastructure option";
  -	};
  +          description = "Whether to publish capabilities/properties of this machine in as attributes in the infrastructure option";
  +        };
   
  -	enableAuthentication = mkOption {
  -	  default = false;
  -	  description = "Whether to publish authentication credentials through the infrastructure attribute (not recommended in combination with Avahi)";
  -	};
  +        enableAuthentication = mkOption {
  +          default = false;
  +          description = "Whether to publish authentication credentials through the infrastructure attribute (not recommended in combination with Avahi)";
  +        };
         };
   
         infrastructure = mkOption {
           default = {};
  -	description = "List of name value pairs containing properties for the infrastructure model";
  +        description = "List of name value pairs containing properties for the infrastructure model";
         };
   
         publishAvahi = mkOption {
           default = false;
  -	description = "Whether to publish capabilities/properties as a Disnix service through Avahi";
  +        description = "Whether to publish capabilities/properties as a Disnix service through Avahi";
         };
   
       };
  
positive.code:         { description = "Disnix server";
  
            startOn = "started dbus"
  	  + optionalString config.services.httpd.enable " and started httpd"
  	  + optionalString config.services.mysql.enable " and started mysql"
  	  + optionalString config.services.tomcat.enable " and started tomcat"
  	  + optionalString config.services.svnserve.enable " and started svnserve";
  
            script =
            ''
  	    export PATH=/var/run/current-system/sw/bin:/var/run/current-system/sw/sbin
              export HOME=/root
  
              ${pkgs.disnix}/bin/disnix-service --activation-modules-dir=${disnix_activation_scripts}/libexec/disnix/activation-scripts
  
negative.code:     services.tomcat.extraGroups = [ "disnix" ];
      services.tomcat.javaOpts = "${optionalString cfg.useWebServiceInterface "-Djava.library.path=${pkgs.libmatthew_java}/lib/jni"} ";
      services.tomcat.sharedLibs = optional cfg.useWebServiceInterface "${pkgs.DisnixWebService}/share/java/DisnixConnection.jar"
                                   ++ optional cfg.useWebServiceInterface "${pkgs.dbus_java}/share/java/dbus.jar";
      services.tomcat.webapps = optional cfg.useWebServiceInterface pkgs.DisnixWebService;
  
      users.extraGroups = singleton
  