anchor.diff:      // 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() - 1));
  +    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++)
  
positive.code:     String temp = request.getParameter("skip");
      int skip = (temp == null) ? 0 : Integer.parseInt(temp);
      skip = Math.max(skip, 0);
  
      Wiki enWiki = Wiki.createInstance("en.wikipedia.org");
      enWiki.setMaxLag(-1);
  
negative.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>Show:
      <td><input type=checkbox name=newonly value=1<%= newonly ? " checked" : 
          "" %>>New pages only
  <tr><td>Skip:
      <td><input type=number size=50 name=skip value="<%= skip %>">
  </table>
  