}
public String interpretElement(XMLElement elem)
throws UnableToCompleteException {
MessagesWriter messages = writer.getMessages();
for (AttributeMessage am : messages.consumeAttributeMessages(elem)) {
String message = am.getMessageUnescaped();
if (!writer.useSafeHtmlTemplates()) {
/*
* We have to do our own simple escaping to if the SafeHtml integration
* is off