Bug 204235 Background image can not be shown when preview as PPT [1205]
engine/org.eclipse.birt.report.engine.emitter.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTWriter.java
println( ">" ); 
		println( "<head>" ); 
		println( "<meta http-equiv=3D'Content-Type' content=3D'text/html; charset=3Dutf-8'>" ); 
		println( "<meta name=3D'ProgId' content=3D'PowerPoint.Slide'>" ); 
		println( "<meta name=3D'Generator' content=3D'Actuate View Server'>" ); 
		println( "<title>Actuate Report</title>" ); 
		println( "<xml><o:DocumentProperties>" ); 
		println( "<o:Author>Actuate View Server</o:Author>" ); 
		println( "</o:DocumentProperties></xml><link rel=3DFile-List href=3D'file-list'>" ); 
		println( "<link rel=3DPresentation-XML href=3D'presentation'>" ); 
		println( "</head><body/></html>" ); 
	}
	private void print( String text )
	{
		writer.print( text );
	}
	private void println( String text )
	{
		writer.println( text );
	}
	private void print( byte[] data )
	{
		print( new String( data ) );
	}
	/**
	 * Closes the document.
	 * 
	 */
	public void end( )
	{