Bug 183551 [Automation][Regression] table page break inside did not work properly in pdf
steps to reproduce: - use the attached report design - preview in pdf expected behavior: - page break inside avoid works properly actual behavior: - page break inside avoid did not work properly as expected, please refer to rendered page 9 and page 10 of the attached report design
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFBlockStackingLM.java
}
	protected boolean hasNextChild()
	{
		if(child==null && (blockExecutor!=null && !blockExecutor.hasNextChild( )))
		{
			return false;
		}
		return true;
				
	}
	public void setKeepWithNext(boolean keepWithNext)
	{
		if(keepWithNext)
		{
			keepWith = true;
		}
		
		if(!keepWith)
		{
			clearCache( );
		}
	}
	
	protected boolean clearCache()
	{
		while(!keepWithCache.isEmpty( ))
		{
			AbstractArea area = (AbstractArea)keepWithCache.getFirst( );
			boolean succeed = addToRoot(area);
			if(!succeed)