Bug 200812 Issue when remove one separator setting in viewer.property[0002]
Description: Issue when remove one separator setting in viewer.property Build number:2.2.1.v200708220927 Steps to reproduce: 1. Deploy birt. 2. Open viewer.properties under WEB-INF folder. 3. Delete "viewer.sep.0=," line 4. Start server. 5. Preview report. 6. Export Data, select columns and select "Comma(,)", click OK. Expected result: Comma(,) isn't in the separator list. Actual result: Nothing happened after step6 and no error logs. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
}
	/**
	 * Check whether enable svg support or not.
	 * 
	 * @param request
	 *            http request
	 * @return whether or not render content toolbar
	 */
	public static boolean getSVGFlag( HttpServletRequest request )
	{
		boolean svg = false;
		if ( "true".equalsIgnoreCase( getParameter( request, PARAM_SVG ) ) ) 
		{
			svg = true;
		}
		return svg;
	}
	/**
	 * Get web application locale.
	 * 
	 * @return report locale
	 */
	public static Locale getWebAppLocale( )
	{
		return webAppLocale;
	}
	/**
	 * This function is used to encode an ordinary string that may contain
	 * characters or more than one consecutive spaces for appropriate HTML
	 * display.