anchor.diff:  if (vocab_format != null && vocab_format.compareTo("RRF") == 0) {
    display_UMLS_CUI= false;
   }
  -      
  -if (external_source_codes.size() == 0) {
  + 
  +
  +if (external_source_codes.size() != 0) {
       for (int i=0; i<external_source_codes.size(); i++) {
           String propName = (String) external_source_codes.elementAt(i);
           String propName_label = (String) external_source_codes_label.elementAt(i);
  
positive.code:         }
      }
  }
  if (!hasExternalSourceCodes) {
  %>
  <b>External Source Codes</b>:&nbsp;<i>None</i>
  
negative.code:             <%
            } else {
                String value = (String) w.elementAt(1);
                if (n % 2 == 0) {
                  %>
                    <tr class="dataRowDark">
  