// for maximum robustness don't put any text in that isn't there
if (arg == null) {
arg = "";
}
RenderContext context = new BaseRenderContext();
InitialRenderContext initialContext = new BaseInitialRenderContext();
initialContext.set(RenderContext.INPUT_LOCALE, new Locale("atabaque", ""));
initialContext.set(RenderContext.OUTPUT_LOCALE, new Locale("atabaque", ""));
Filter filter = new UnderlineFilter();