New line in messagebox?

package org.myfirm.webui.util;

import org.zkoss.zul.Messagebox;

public class MultiLineMessageBox extends Messagebox {

   private static final long serialVersionUID = -4855008103857120664L;
   private static String _templ = "/WEB-INF/pages/util/multiLineMessageBox.zul";

	public MultiLineMessageBox() {
	}

	public static void doSetTemplate() {
		setTemplate(_templ);
	}

	/**
	 * Shows a message box and returns what button is pressed. A shortcut to
	 * show(message, null, OK, INFORMATION). <br>
	 * <br>
	 * Simple MessageBox with customizable message and title. <br>
	 * 
	 * @param message
	 *            The message to display
	 * @param title
	 *            The title to display
	 * @return
	 * @throws InterruptedException
	 */
	public static final int show(String message, String title) throws InterruptedException {
		return show(message, title, OK, INFORMATION, 0, null);
	}

}

<?xml version="1.0" encoding="UTF-8"?>
<?page title="Multiline Messagebox" language="xul/html"?>

<window title="${arg.title}" border="none" width="300pt" closable="true"
	use="org.zkoss.zul.impl.MessageboxDlg">

	<hbox>
		<div class="${arg.icon}" />
		<div sclass="z-messagebox" width="100%">
			<label multiline="true" value="${arg.message}"
				sclass="word-wrap" width="100%" />
		</div>
	</hbox>

	<separator bar="true" />

	<hbox style="margin-left:auto; margin-right:auto">
           <button id="btn1" identity="${arg.OK}" sclass="z-messagebox-btn"
	           use="org.zkoss.zul.impl.MessageboxDlg$Button" if="$" />
           <button identity="${arg.CANCEL}" sclass="z-messagebox-btn"
	           use="org.zkoss.zul.impl.MessageboxDlg$Button" if="$" />
           <button identity="${arg.YES}" sclass="z-messagebox-btn"
	           use="org.zkoss.zul.impl.MessageboxDlg$Button" if="$" />
           <button identity="${arg.NO}" sclass="z-messagebox-btn"
                   use="org.zkoss.zul.impl.MessageboxDlg$Button" if="$" />
           <button identity="${arg.RETRY}" sclass="z-messagebox-btn"    
                   use="org.zkoss.zul.impl.MessageboxDlg$Button" if="$" />
           <button identity="${arg.ABORT}" sclass="z-messagebox-btn"
	           use="org.zkoss.zul.impl.MessageboxDlg$Button" if="$" />
           <button identity="${arg.IGNORE}" sclass="z-messagebox-btn"
                   use="org.zkoss.zul.impl.MessageboxDlg$Button" if="$" />
       </hbox>
</window>

   ...
   // set the message and title
   String msg = Labels.getLabel("message_Data_Modified_Save_Data_YesNo");
   String title = Labels.getLabel("message_Information");

   MultiLineMessageBox.doSetTemplate();
   // Same call like the normal MessageBox
   if (MultiLineMessageBox.show(msg, title, Messagebox.YES | Messagebox.NO, Messagebox.QUESTION, new 
                                     EventListener() {
        public void onEvent(Event evt) {
        ...

message.question.are_you_sure_to_delete_this_record={
Hi guys,

are you sure 
to delete 
this record ?
}