giftrans(1) on Linux
The text aa6d16f0d024, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
transform gif from gif87 to gif89, making one color transparent
Flags it lists
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-B -
-C -
-L -
-T -
-V -
-b -
-c -
-e -
-g -
-h -
-l -
-o -
-t