code: @Override
  	public void doRender(final WComponent component, final WebXmlRenderContext renderContext) {
  		WLabel label = (WLabel) component;
  		XmlStringBuilder xml = renderContext.getWriter();
  
  		xml.appendTagOpen("ui:label");
  		xml.appendAttribute("id", component.getId());
  		xml.appendOptionalAttribute("class", component.getHtmlClass());
  		xml.appendOptionalAttribute("track", component.isTracking(), "true");
  		xml.appendOptionalAttribute("for", label.getLabelFor());
  
  		WComponent what = label.getForComponent();
  		String whatFor = null;
  		if (what instanceof MultiInputComponent) {
  			whatFor = "group";
  		} else if (what instanceof Labelable) {
  			whatFor = "input";
  		}
  
  		boolean isReadOnly = ((what instanceof Input) && ((Input) what).isReadOnly())
  				|| (what instanceof WRadioButton && ((WRadioButton) what).isReadOnly());
  
  		boolean isMandatory = (what instanceof Input) && ((Input) what).isMandatory();
  
  		xml.appendOptionalAttribute("what", whatFor);
  		xml.appendOptionalAttribute("readonly", isReadOnly, "true");
  		xml.appendOptionalAttribute("required", isMandatory, "true");
  		xml.appendOptionalAttribute("hiddencomponent", (what != null && what.isHidden()), "true");
  		xml.appendOptionalAttribute("hint", label.getHint());
  		xml.appendOptionalAttribute("accessKey", Util.upperCase(label.getAccessKeyAsString()));
  		xml.appendOptionalAttribute("hidden", label.isHidden(), "true");
  		xml.appendOptionalAttribute("toolTip", label.getToolTip());
  		xml.appendOptionalAttribute("accessibleText", label.getAccessibleText());
  		xml.appendClose();
  
  		xml.append(label.getText(), label.isEncodeText());
  
  		paintChildren(label, renderContext);
  
  		xml.appendEndTag("ui:label");
  	}
docs: Paints the given {@link WLabel}.
  
  @param component the WLabel to paint.
  @param renderContext the RenderContext to paint to.