writer.writeAttribute(HtmlAttributes.ACCEPT_CHARSET, AbstractUIPage.FORM_ACCEPT_CHARSET, false);
// TODO evaluate 'accept' attribute usage
//writer.writeAttribute(HtmlAttributes.ACCEPT, );
writer.startElement(HtmlElements.INPUT, null);
writer.writeAttribute(HtmlAttributes.TYPE, "hidden", false);
writer.writeNameAttribute(clientId + ComponentUtils.SUB_SEPARATOR + "form-action");
writer.writeIdAttribute(clientId + ComponentUtils.SUB_SEPARATOR + "form-action");
writer.writeAttribute(HtmlAttributes.VALUE, defaultActionId, true);
writer.endElement(HtmlElements.INPUT);
writer.startElement(HtmlElements.INPUT, null);