Bug 119817 properities using percentage dimension as value don't work in BIRT PDF Emitter.
Description: properities using percentage dimension as value don't work in BIRT PDF Emitter. Steps to reproduce: 1. Set percentage value to Margin/Padding 2. Preview Expected result: Percentage values work. Actual result: No effects.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFStackingLM.java
* 
	 * @param pageExist
	 *            TODO
	 * 
	 */
	protected abstract void newContext( );
	/**
	 * end current area if it is the last area of content, add bottom box
	 * property
	 * 
	 */
	protected abstract void closeLayout( );
	protected abstract void createRoot( );
	public boolean isPageEmpty( )
	{
		if ( !isRootEmpty( ) )
		{
			return false;
		}
		else
		{
			if ( parent != null )
			{
				return parent.isPageEmpty( );
			}
		}
		return true;
	}
}