Bug 199363 [Automation][Regression] list and table group page break will yield empty page
steps to reproduce: - use the attached report design - preview in web viewer expected behavior: - page break behavior is correct actual behavior: - empty pages were rendered
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/html/buffer/AbstractNode.java
protected PageHintGenerator generator;
	AbstractNode( IContent content, IContentEmitter emitter,
			PageHintGenerator generator )
	{
		this.content = content;
		this.emitter = emitter;
		this.generator = generator;
	}
	public void setFirst( boolean isFirst )
	{
		this.isFirst = isFirst;
	}
	public void setStarted( boolean isStarted )
	{
		this.isStarted = isStarted;
	}
	
	public void setFinished(boolean finished)
	{
		this.finished = finished;
	}
	public boolean isStarted( )
	{
		return isStarted;
	}
	public void end( )
	{
		ContentEmitterUtil.endContent( content, emitter );
		generator.end( content, finished );
	}