anchor.diff:      String temp = request.getParameter("skip");
       int skip = (temp == null) ? 0 : Integer.parseInt(temp);
       skip = Math.max(skip, 0);
  +    boolean newonly = (request.getParameter("newonly") != null);
   
       Wiki enWiki = Wiki.createInstance("en.wikipedia.org");
       enWiki.setMaxLag(-1);
  
positive.code: <tr><td>Show changes from:
      <td><input type=date name=earliest value="<%= earliest %>"> to
          <input type=date name=latest value="<%= latest %>"> (inclusive)
  <tr><td>Skip:
      <td><input type=number size=50 name=skip value="<%= skip %>">
  </table>
  
negative.code:     // fetch contributions
      Wiki.RequestHelper rh = enWiki.new RequestHelper()
          .withinDateRange(earliest_odt, latest_odt);
      if (newonly)
      {
          Map<String, Boolean> tempmap = new HashMap<>();
          tempmap.put("new", Boolean.TRUE);
          rh = rh.filterBy(tempmap);
      }
      List<String> users = new ArrayList<>(input.keySet());
      List<String> userstofetch = users.subList(skip, Math.min(skip + 50, users.size()));
      List<List<Wiki.Revision>> contribs = enWiki.contribs(userstofetch, null, rh);
  
      for (int i = 0; i < userstofetch.size(); i++)
  