public static void _url (Map<?, ?> args, Closure body, PrintWriter out,
GroovyTemplate.ExecutableTemplate template, int fromLine) {
if (!args.containsKey("arg") || args.get("arg") == null) {
throw new TemplateExecutionException(template.template, fromLine, "Specify an e-mail address", new TagInternalException("Specify an e-mail address"));
}
StringBuffer url = new StringBuffer();
if(args.containsKey("secure") && args.get("secure") == Boolean.TRUE) {
url.append(GRAVATAR_SSL);