Bug 313882 [Regression]pageoverflow plus pagebreakinternal shows different pdf pages in web viewer and preview
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/ContainerArea.java
if ( !lastContainer.isInInlineStacking )
			{
				return lastContainer.isPageBreakAfterAvoid( );
			}
		}
		return false;
	}
	public boolean isPageBreakBeforeAvoid( )
	{
		if ( localProperties != null )
		{
			if ( IStyle.AVOID_VALUE == pageBreakBefore )
			{
				return true;
			}
		}
		IArea firstChild = getFirstChild( );
		if ( firstChild != null && firstChild instanceof ContainerArea )
		{
			ContainerArea firstContainer = (ContainerArea) firstChild;
			if ( !firstContainer.isInInlineStacking )
			{
				return firstContainer.isPageBreakBeforeAvoid( );
			}
		}
		return false;
	}
	public IArea getLastChild( )
	{
		int size = children.size( );