Bug 166931 Include double quotation in title of viewer tag will cause blank page.[0603]
Description: Include double quotation in title of viewer tag will cause blank page. Build number: 2.2.0.v20061206 Steps to reproduce: 1. New a BIRT Web project. 2. New a jsp file based on birt template, input below content in body: <birt:viewer id="0" name="first sample" title="first &quot; report &quot; title" reportDesign="birt_tag_sample.rptdesign" > </birt:viewer> 3. Run the project to see the jsp file. Expected result: Report displays with title first"report" title. Actual result: Blank page with nothing showed. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
/**
	 * Application Context Attribute Name
	 */
	public static final String ATTR_APPCONTEXT_KEY = "AppContextKey"; 
	/**
	 * Application Context Attribute value
	 */
	public static final String ATTR_APPCONTEXT_VALUE = "AppContextValue"; 
	/**
	 * The initialized properties map
	 */
	public static Map initProps;
	/**
	 * viewer properties
	 */
	public static final String PROP_BASE_HREF = "base_href"; 
	/**
	 * Get bookmark. If page exists, ignore bookmark.
	 * 
	 * @param request
	 * @return the bookemark
	 */
	public static String getBookmark( HttpServletRequest request )
	{
		int page = getParameterAsInt( request, PARAM_PAGE );
		return page < 1
				? getReportParameter( request, PARAM_BOOKMARK, null )
				: null;
	}
	/**