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From: Kyle Jones <kyle_jones@wonderworks.com>
To: xemacs-beta@xemacs.org
Subject: 20.3-b4: GIF code still fragile
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Attached is a GIF that repeatably crashes the current beta.  I
fuzzily remember that Jareth Hein is/was doing TIFF work and
that GIF support came along with that (Leffler's) TIFF library.
Is that true?  If not, we should be searching for a better GIF
library.  The one we have now blows chunks on too many images.

I note in passing that if I had mailed this as an image/gif instead
of application/octet-stream I would have crashed editors all over
the world.  Nice denial of service attack.

I wonder how hard it would be to pull the pixel gouging code out of 
giftopnm.

Anyway, please put this in the regression test suite.

(setq e (make-extent 1 1))
(set-extent-begin-glyph e (make-glyph [gif :file "/tmp/crash.gif"]))


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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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