Bug 156969 [regression]Group header repeat doesn't work in Web Viewer.
Description: Group header repeat doesn't work in Web Viewer. Steps to reproduce: 1. New a data source and dataset, drag the dataset to Layout. 2. Add a group. 3. Set page break in the first data item in table detail row. 4. Preview in web viewer&#12290; Expected result: Group header is repeated in each page. Actual result: No group header repeat effect.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/EngineIRReader.java
public Object visitTableItem( TableItemDesign table, Object value )
		{
			visitListing( table, value );
			int count = table.getColumnCount( );
			for ( int i = 0; i < count; i++ )
			{
				ColumnDesign column = table.getColumn( i );
				linkReportElement( column );
			}
			return value;
		}
		public Object visitReportItem( ReportItemDesign item, Object value )
		{
			linkReportElement( item );
			return value;
		}
		public Object visitRow( RowDesign row, Object value )
		{
			linkReportElement( row );
			int count = row.getCellCount( );
			for ( int i = 0; i < count; i++ )
			{
				CellDesign cell = row.getCell( i );
				cell.accept( this, value );
			}
			return value;
		}
	}
}