@RENDERER(kit="XUL_RENDERKIT",family="xul.component.family",type="xul.renderer.Caption")
public class CaptionRenderer extends OutputRenderer {
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
ResponseWriter responseWriter = facesContext.getResponseWriter();
responseWriter.startElement("caption",component);
responseWriter.writeAttribute("id",component.getClientId(facesContext), "id");
String label = getValueAsString(facesContext,(UIOutput) component);
if(label != null){
responseWriter.writeAttribute("label",label, "label");