Page History

@Override
protected void onBeforeRender() {
	// add the <title> tag
	addOrReplace(new Label("title", getPageTitle()));

    	Label desc = new Label("description","");
    	desc.add( new AttributeAppender("CONTENT", new Model(getPageTitlegetDescription()), " "));
    	this.addaddOrReplace(desc);
    	
    	Label keywords = new Label("keywords","");
    	keywords.add( new AttributeAppender("CONTENT", new Model(getKeywords()), " "));
    	this.addaddOrReplace(keywords);

	super.onBeforeRender();
}