No real performance improvement, other than to boast we're using the smallest possible gif for the 1x1 (pixel) transparent image.
Ref: http://www.perlmonks.org/?node_id=7974 (World's Smallest Gif)
Attachment: Replace earlier patch; same size but more nulls
umh, I would like to say "lol"; nice one.
ps: did you test this new GIF on all browsers to make sure it really works?
Tested with Firefox 3 (Ubuntu), Safari (iPhone and XP), and IE6/7. Also opens in gimp.
I actually went a step further and decoded the gif manually to verify that it conforms to the GIF specification and doesn't use any "tricks".
p.s. the second patch can be attributed to:
thanks. committed in