f="../RefDoc/ImagingJpegProgressive.html">ImagingJpegProgressive</a></span></span>
        </span></td><td class="td"><span class="tablepara">
          <b>0 (False)</b>
 or <b>1 (True)</b></span></td><td class="td"><span class="tablepara">Indicates whether JPEG is saved as progressive or not.
        Progressive JPEG rearranges the stored data into a series of scans of
        increasing quality.  In situations where a JPEG file is transmitted across a
        slow communications link, a decoder can genera