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
*/
	public static final String PARAMETER_SEPARATOR = "&"; 
	/**
	 * The character to start the query string in the url.
	 */
	public static final String QUERY_CHAR = "?"; 
	/**
	 * Equals operator.
	 */
	public static final String EQUALS_OPERATOR = "="; 
	/**
	 * Suffix of report document.
	 */
	public static final String SUFFIX_REPORT_DOCUMENT = ".rptdocument"; 
	/**
	 * Default separator
	 */
	public static final char DEFAULT_SEP = ',';
	/**
	 * Report working folder.
	 */
	public static String workingFolder = null;
	/**
	 * Document folder to put the report files and created documents.
	 */
	public static String documentFolder = null;
	/**
	 * Image folder to put the image files
	 */
	public static String imageFolder = null;