anchor.diff:  begin
     result := nil;
     if context = nil then
  -    result := TFhirCodeSystemProviderContext.create(FVs.codeSystem.conceptList[ndx])
  +    result := TFhirCodeSystemProviderContext.create(FCs.CodeSystem.codeSystem.conceptList[ndx])
     else
     begin
       if (ndx < TFhirCodeSystemProviderContext(context).context.conceptList.Count) then
  
positive.code:       b.Append('Error: Code '+code+' not known')
      else
      try
        card.addLink('Further Detail', baseURL+'/tx/valuesets/'+FVs.id+'#'+code);
        concept := ctxt.context;
  
        b.Append(FVS.name+' Code '+code+' : '+concept.display+#13#10#13#10);
        b.Append('* Definition: '+markdownNoPara(concept.definition)+#13#10);
        b.Append('* System Definition: '+markdownNoPara(FVs.description)+#13#10);
        b.Append(#13#10);
  
        if concept.designationList.Count > 0 then
  
negative.code:       {$IFDEF FHIR2}
        if (vs.codeSystem <> nil) then
        begin
          AddCodeSystemToCache(vs.codeSystem);
        end;
        {$ENDIF}
        UpdateConceptMaps;
  