code: private HttpAction generateRequest(int[] namespace, String orstart, String orend) {
  
      RequestBuilder requestBuilder =
          new ApiRequestBuilder() //
              .action("query") //
              .formatXml() //
              .param("list", "oldreviewedpages") //
              .param("orlimit", LIMIT) //
          ;
      if (namespace != null) {
        String ornamespace = MediaWiki.urlEncode(MWAction.createNsString(namespace));
        requestBuilder.param("ornamespace", ornamespace);
      }
      if (orstart.length() > 0) {
        requestBuilder.param("orstart", orstart);
      }
      if (orend.length() > 0) {
        requestBuilder.param("orend", orend);
      }
  
      return requestBuilder.buildGet();
    }
docs: generates the next MediaWiki-request (GetMethod) and adds it to msgs.
  
  @param namespace the namespace(s) that will be searched for links, as a string of numbers
  separated by '|'; if null, this parameter is omitted
  @param orstart Start listing at this timestamp
  @param orend Stop listing at this timestamp