@ pattern of "OPEN-LEAF" matches all open leaf check-ins.  Example:
  @ <blockquote><tt>1 trunk 3 release 5 OPEN-LEAF</tt></blockquote>
  @ The example pattern above shows the union of the most recent trunk
  @ check-in, the 5 most recent open leaf check-ins, and the 3 most
  @ recent check-ins tagged with "release".  
  @ <p>
  @ The /tarlist page is omitted from the <a href="%R/sitemap">/sitemap</a>
  @ if the first token is "0" or "off" or "no".  The default value is "off".
  @ (Property: suggested-tarlist)
  @ <p>
  textarea_attribute("Check-ins To Show On /tarlist", 2, 80,
      "suggested-tarlist", "sgtrlst", "off", 0);
  @ <hr>
  @ <p><input type="submit"  name="submit" value="Apply Changes"></p>
  @ </div></form>
  db_end_transaction(0);
  style_finish_page();
}