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
footer.accept( this, value );
			}
			return value;
		}
		public Object visitListing( ListingDesign listing, Object value )
		{
			linkReportElement( listing );
			BandDesign header = listing.getHeader( );
			if ( header != null )
			{
				header.accept( this, value );
			}
			int count = listing.getGroupCount( );
			for ( int i = 0; i < count; i++ )
			{
				GroupDesign group = listing.getGroup( i );
				group.accept( this, value );
			}
			BandDesign detail = listing.getDetail( );
			if ( detail != null )
			{
				detail.accept( this, null );
			}
			BandDesign footer = listing.getFooter( );
			if ( footer != null )
			{
				footer.accept( this, value );
			}
			return value;
		}