Bug 172092 [regression][automation] __maxrows=1 url pattern did not work
steps to reproduce: - preview report using the following url fragment, preview?__report=report/regression_142673.rptdesign&__designer=true&__maxrows=1 expected behavior: - only one data row is displayed actual behavior/: - all data rows are displayed
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
IRenderOption defaultOptions = (IRenderOption) configs
				.get( IEngineConfig.DEFAULT_RENDER_OPTION );
		if ( defaultOptions == null )
		{
			defaultOptions = (IRenderOption) configs
					.get( IRenderOption.OUTPUT_FORMAT_HTML );
		}
		if ( defaultOptions != null )
		{
			options.putAll( defaultOptions.getOptions( ) );
		}
		
		IRenderOption formatOptions = (IRenderOption) configs.get( format );
		if ( formatOptions != null )
		{
			options.putAll( formatOptions.getOptions( ) );
		}
		
		if ( emitterID != null )
		{
			IRenderOption emitterOptions = (IRenderOption) configs
					.get( emitterID );
			if ( emitterOptions != null )
			{
				options.putAll( emitterOptions.getOptions( ) );
			}
		}