Bug 330326 Special Characters in ExcelEmitter not correct (Encoding?)
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelWriter.java
writer = new ExcelXmlWriter( context );
		writer.setSheetIndex( sheetIndex );
		
		
		writer.start( report, styles, bookmarkList );
		copyOutputData( );
	}
	private void copyOutputData( ) throws IOException
	{
		if ( tempWriter != null )
		{
			tempWriter.close( );
			BufferedReader reader = null;
			try
			{
				reader = new BufferedReader( new FileReader(
						new File( tempFilePath ) ) );
				String line = reader.readLine( );
				XMLWriterXLS xlsWriter = writer.getWriter( );
				while ( line != null )
				{
					xlsWriter.literal( "\n" );
					xlsWriter.literal( line );
					line = reader.readLine( );
				}
			}
			finally
			{
				if ( reader != null )
				{