Bug 197261 [2.2.1]The report that contain library xtab and set filter cannot be run
Description: [2.2.1]The report that contain library xtab and set filter cannot be run Step: 1.New a library and add a xtab 2.New a report and use the library 3.Drop the xtab from library explorer into layout 4.Set the filter on the xtab that is in report 5.Preview Actual result: It pop up an error said that the report cannot be run
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
*/
	final protected static String DEFAULT_NAME_SPACE = "http:www.eclipse.org/birt/2005/design"; 
	/**
	 * The XML writer.
	 */
	protected XMLWriter writer = null;
	/**
	 * The base 64 codec for embedded images.
	 */
	protected static Base64 base = new Base64( );
	/**
	 * The compatibility to create bound columns.
	 */
	protected BoundColumnsWriterMgr boundColumnsMgr = null;
	/**
	 * Control flag indicating whether need mark line number.
	 */
	protected boolean markLineNumber = true;
	/**
	 * Returns the module to write.
	 * 
	 * @return the module to write
	 */
	abstract protected Module getModule( );
	/**
	 * Writes the report design to a file.
	 * 
	 * @param outputFile
	 *            output file into which to write the design
	 *