- updated to 2.0.28, removed obsolete gif patch
- GIF support is back in upstream sources
gdImageOpenPolygon(), gdImageCreateFromGifSource(), gdImageLzw*,
gdImageBigGif*, gdImageGifToSink() functions
and gd2togif, giftogd2, gdcmpgif progs have been dropped
(fortunately doesn't seem to be used in current php, perl-GD or anything now)
- removed gif,lzw bconds, always provide gd*(gif)