Bug 176467 Wrong page break effect for spanned cell
When page break occurs on spanned cell, this cell on next page is lost, which cause incorrect page layout. Report design to reproduce the error is attached.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/RenderTask.java
{
	IReportDocument reportDoc;
	String emitterID;
	private InnerRender innerRender;
	/**
	 * @param engine
	 *            the report engine
	 * @param runnable
	 *            the report runnable object
	 * @param reportDoc
	 *            the report document instance
	 */
	public RenderTask( IReportEngine engine, IReportRunnable runnable,
			IReportDocument reportDoc )
	{
		super( engine, runnable, IEngineTask.TASK_RENDER );
		executionContext.setFactoryMode( false );
		executionContext.setPresentationMode( true );
		
		openReportDocument( reportDoc );
		
		loadDesign( );
		innerRender = new PageRangeRender( new long[]{1,
				this.reportDoc.getPageCount( )} );
	}
	protected void openReportDocument( IReportDocument reportDoc )