Bug 198486 One cell is lost when preview the attached design file in PDF [1200]
Description: One cell is lost when preview the attached design file in PDF. Build number: 2.2.1.v20070801-0630 Steps to reproduce: 1. Open the attached design file and preview in PDF. Expected result: The second cell in the first page is shown as when preview in Web Viewer. Actual result: The second cell in the first page is not shown when preview in PDF. Error log: N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFCellLM.java
if(root!=null)
		{
			root.setHeight( getCurrentBP( )
					+ getOffsetY( )
					+ getDimensionValue( root.getStyle( ).getProperty(
							StyleConstants.STYLE_PADDING_BOTTOM ) ) );
		}
	}
	protected boolean isHidden( )
	{
		if ( columnWidth == 0 || !tableLM.isCellVisible( cellContent ) )
		{
			return true;
		}
		return isHiddenByVisibility( );
	}
	protected boolean isRootEmpty( )
	{
		if(isLast)
		{
			return false;
		}
		return super.isRootEmpty( );
	}
	
	public boolean pageBreakInsideAvoid( )
	{
		if ( content == null )
		{
			return false;