Bug 199358 [Automation][Regression] masterpage extends from report library is disappeared when preview in html
steps to reproduce: - use the attached report design and library - preview in html expected behavior: - masterpage should appear actual behavior: - it simply did not do so
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/html/HTMLReportLayoutEngine.java
return context;
	}
	HTMLLayoutManagerFactory getFactory( )
	{
		return factory;
	}
	public void layout( IReportExecutor executor, IReportContent report, IContentEmitter emitter, boolean pagination )
	{
		this.executor = executor;
		
		context.setAllowPageBreak( pagination );
		setupLayoutOptions();		
		context.setFinish(  false );
		if(pageHint!=null)
		{
			context.setLayoutPageHint( pageHint );
		}
		IPageBuffer bufferMgr = null; 
		if(pagination)
		{
			bufferMgr = new HTMLPageBuffer(context);
		}
		else
		{
			bufferMgr = new DummyPageBuffer();
		}
		context.setPageBufferManager( bufferMgr );
		HTMLPageLM pageLM = new HTMLPageLM( this, report, executor, emitter );
		boolean finished = false;
		do