= GIFLIB TODO list =

There is a list of GIF test suites here:

https://stackoverflow.com/questions/4866093/test-suite-for-gif-containing-images-using-rarely-used-features

These break the format in quite a number of interesting ways.  GIFLIB doesn't
do as well as it could; I haven't found one that causes a core dump, yet, but
some malformations that could be worked around are not yet.