e commands change frames (all except Pause are</span>
0016 <span class="comment">%   disabled during automatic playback):</span>
0017 <span class="comment">%       '&lt;'  Rewind to first frame (frame 1)</span>
0018 <span class="comment">%       ','  Rewind by 1 frame   (or 'Skip' frames, see above)</span>
0019 <span class="comment">%       ' '  (space bar)  Pause/unpause automatic playback.</span>
0020 <span class="comment">%       '.'  Advance by 1 frame  (or 'Skip' frames, see above)</span>
0021 <span cl