Bug 184762 BIRT Model - Enhancments to the level defintion
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
{
	/**
	 * The low-level writer that emits XML syntax.
	 */
	/**
	 * The constant for default model name space.
	 */
	final protected static String DEFAULT_NAME_SPACE = "http:www.eclipse.org/birt/2005/design"; 
	/**
	 * The XML writer.
	 */
	protected IndentableXMLWriter 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;