Bug 119566 Support template items in page header/footer
Currently you can't create template report items inside a page header/footer. This should be fixed.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
*         <code>SemanticException</code> object.
	 */
	public List validate( Module module )
	{
		errors = new ArrayList( );
		
		errors.addAll( UnsupportedElementValidator.getInstance( ).validate(
				module, this ) );
		
		
		
		
		
		
		
		
		
		
		
		
		ArrayList propMasks = (ArrayList) getLocalProperty( module,
				PROPERTY_MASKS_PROP );
		if ( propMasks != null )
		{
			ListIterator masks = propMasks.listIterator( );
			while ( masks.hasNext( ) )
			{
				PropertyMask mask = (PropertyMask) masks.next( );
				errors.addAll( mask.validate( module, this ) );
			}