anchor.diff:        };
   
         usersFile = mkOption {
  -        type = types.nullOr types.path;
  -        default = "/var/lib/dokuwiki/${name}/users.php";
  +        type = with types; nullOr str;
  +        default = null;
           description = ''
             Location of the dokuwiki users file. List of users. Format:
             login:passwordhash:Real Name:email:groups,comma,separated
             Create passwordHash easily by using:$ mkpasswd -5 password `pwgen 8 1`
             Example: <link xlink:href="https://github.com/splitbrain/dokuwiki/blob/master/conf/users.auth.php.dist"/>
             '';
  +        example = "/var/lib/dokuwiki/${name}/users.auth.php";
         };
   
         disableActions = mkOption {
  
positive.code:     assertions = flatten (mapAttrsToList (hostName: cfg:
      [{
        assertion = cfg.aclUse -> (cfg.acl != null || cfg.aclFile != null);
        message = "Either services.dokuwiki.${hostName}.acl or services.dokuwiki.${hostName}.aclFile is mandatory when aclUse is true";
      }
      {
        assertion = cfg.usersFile != null -> cfg.aclUse != false;
        message = "services.dokuwiki.${hostName}.aclUse must be true when usersFile is not null";
      }
      ]) eachSite);
  
  
negative.code:     services.nginx = {
        enable = true;
        virtualHosts = mapAttrs (hostName: cfg:  mkMerge [ cfg.nginx {
          root = mkForce "${pkg hostName cfg}/share/dokuwiki";
          extraConfig = "fastcgi_param HTTPS on;";
  
          locations."~ /(conf/|bin/|inc/|install.php)" = {
  