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/presentation/ReportDocumentBuilder.java
{
				InstanceID id = content.getInstanceID( );
				long offset = getContentIndex( content );
				indexes.addFirst( new InstanceIndex( id, offset ) );
				content = (IContent) content.getParent( );
			}
			return (InstanceIndex[]) indexes.toArray( new InstanceIndex[]{} );
		}
		private PageSection createPageSection( IContent start, IContent end )
		{
			PageSection section = new PageSection( );
			section.starts = createInstanceIndexes( start );
			section.ends = createInstanceIndexes( end );
			return section;
		}
		public void onPage( long pageNumber, Object context )
		{
			if ( context instanceof HTMLLayoutContext )
			{
				HTMLLayoutContext htmlContext = (HTMLLayoutContext) context;
				document.setPageCount( pageNumber );
				boolean checkpoint = false;
				
				
				if ( pageNumber == 1 || pageNumber == 10 || pageNumber == 50
						|| pageNumber % 100 == 0 )
				{
					checkpoint = true;
				}
				boolean reportFinished = htmlContext.isFinished( );