anchor.diff:  
         ETHInterface = {
           bind = mkOption {
  -        default = "";
  -        example = "eth0";
  -        description = ''
  -          Bind to this device for native ethernet operation.
  -        '';
  -      };
  +          default = "";
  +          example = "eth0";
  +          description =
  +            ''
  +              Bind to this device for native ethernet operation.
  +              <literal>all</literal> is a pseudo-name which will try to connect to all devices.
  +            '';
  +        };
   
           beacon = mkOption {
             type = types.int;
  
positive.code:       })
      else "";
  
    # would be nice to  merge 'cfg' with a //,
    # but the json nesting is wacky.
    cjdrouteConf = builtins.toJSON ( {
  
negative.code:     };
      authorizedPasswords = map (p: { password = p; }) cfg.authorizedPasswords;
      interfaces = {
        ETHInterface = if (cfg.ETHInterface.bind != "") then [ (parseModules cfg.ETHInterface) ] else [ ];
        UDPInterface = if (cfg.UDPInterface.bind != "") then [ (parseModules cfg.UDPInterface) ] else [ ];
      };
  
      privateKey = "@CJDNS_PRIVATE_KEY@";
  