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
* 
	 * @see org.eclipse.birt.report.engine.api.IRenderTask#setInstanceID(
	 *      InstanceID iid )
	 */
	public void setInstanceID( InstanceID iid ) throws EngineException
	{
		innerRender = new ReportletRender( iid );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api.IRenderTask#setPageRange( String
	 *      pageRange )
	 */
	public void setPageRange( String pageRange ) throws EngineException
	{
		innerRender = new PageRangeRender( parsePageSequence( pageRange,
				reportDoc.getPageCount( ) ) );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api.IRenderTask#setBookmark( String
	 *      bookmark )
	 */
	public void setBookmark( String bookmark ) throws EngineException
	{
		long pageNumber = reportDoc.getPageNumber( bookmark );
		if ( pageNumber <= 0 )
		{