code: @Override
  	public void doRender(final WComponent component, final WebXmlRenderContext renderContext) {
  		XmlStringBuilder xml = renderContext.getWriter();
  		xml.appendTagOpen("hr");
  		xml.appendOptionalAttribute("class", component.getHtmlClass());
  		xml.appendEnd();
  	}
docs: Paints the given WHorizontalRule.
  
  @param component the WHorizontalRule to paint.
  @param renderContext the RenderContext to paint to.