anchor.diff:        '';
       };
   
  -    nixpkgs.overlays = mkOption {
  +    overlays = mkOption {
         default = [];
         example = literalExample
           ''
  
positive.code:         multi-platform deployment, or when building virtual machines.
        '';
      };
  
    };
  
    config = {
      _module.args.pkgs = import ../../.. {
        system = config.nixpkgs.system;
  
        inherit (config.nixpkgs) config;
      };
    };
  }
  
negative.code:       '';
      };
  
      system = mkOption {
        type = types.str;
        example = "i686-linux";
        description = ''
  