Bug 176436 Charts Imported from Libraries do not update when libraries change
During a live presentation of BIRT at EclipseCon, we came across a rather embarassing issue. When charts are included in a library, and imported into a report design from a library, any changes to the library instance of the chart do not reflect in the report itself.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
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
	 * 
	 * @throws IOException
	 *             if a write error occurs
	 */
	public void write( File outputFile ) throws IOException
	{
		
		ModuleOption options = getModule( ).getOptions( );
		if ( options != null )
			markLineNumber = options.markLineNumber( );
		writer = new IndentableXMLWriter( outputFile, getModule( )
				.getUTFSignature( ), markLineNumber );
		writeFile( );
		writer.close( );