anchor.diff:        createUser = mkOption {
           type = types.bool;
           default = true;
  -        description = "
  +        description = ''
             Indicates if the user should be created automatically as a local user.
             Set this to false if the user for instance is an LDAP user. NixOS will
             then not modify any of the basic properties for the user account.
  -        ";
  +        '';
         };
   
         isAlias = mkOption {
  
positive.code:       description = mkOption {
          type = types.str;
          default = "";
          description = "A short description of the user account.";
        };
  
        uid = mkOption {
  
negative.code:       password = mkOption {
          type = with types; uniq (nullOr str);
          default = null;
          description = ''
            The user's password. If undefined, no password is set for
            the user.  Warning: do not set confidential information here
            because it is world-readable in the Nix store.  This option
            should only be used for public accounts such as
            <literal>guest</literal>.
          '';
        };
  
        isSystemUser = mkOption {
  