code: public String render(Collection<Message5WH> messages){
  		StrBuilder ret = new StrBuilder(50);
  		for(Message5WH msg : messages){
  			ret.appendln(this.render(msg));
  		}
  		return ret.toString();
  	}
docs: Renders a collection of messages.
  @param messages the collection of messages to render
  @return string with rendered messages