anchor.diff:  
       <input type="hidden" name="referer" id="referer" value="<%=HTTPUtils.getRefererParmEncode(request)%>" />
   <%
  -if (uri_str != null) {
  +if (vd_uri != null) {
  +%>
  +    <input type="hidden" name="vsd_uri" id="vsd_uri" value="<%=vd_uri%>" />
  +<%
  +} else if (uri_str != null) {
   %>
   <input type="hidden" name="vsd_uri" id="vsd_uri" value="<%=uri_str%>" />
   <%
  
positive.code: <%
  if (vsd_vec != null && vsd_vec.size() == 1) {
  
  
      String match_text = gov.nih.nci.evs.browser.utils.HTTPUtils
          .cleanXSS((String) request.getSession().getAttribute("matchText"));
  
  
negative.code: if ((vsd_vec != null && vsd_vec.size() > 1) || (vsd_vec == null)) {
  
  
  
  %>
  
  