Bug 134488 Set page break for table inside list group header will cause data display error.
Description: Set page break for table inside list group header will cause data display error. Steps to reproduce: 1. Insert a list with a group 2. Insert a table to list group header 3. Set page-break-before to always to table. 4. Preview in web viewer/html/pdf. See attached report. Expected result: Data display correctly Actual result: In Web Viewer, data in table kept display the first data row in each page. In html/pdf, it's ok.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/internal/document/v2/ReportContentLoaderV2.java
}
	/**
	 * get the first content from the content stack.
	 * 
	 * @return the first content in the stack.
	 */
	protected IContent peekContent( )
	{
		return context.getContent( );
	}
	/**
	 * output the content to emitter
	 * 
	 * @param content
	 *            output content
	 */
	protected void startContent( IContent content, IContentEmitter emitter )
	{
		
		openQuery( content );
		outputStartVisitor.visit( content, emitter );
	}
	/**
	 * output the content to emitter.
	 * 
	 * @param content
	 *            output content
	 */
	protected void endContent( IContent content, IContentEmitter emitter )
	{