SDL_SetColorKey(3) on Linux
The text 100b8d63ae8c, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it. The page shows this text now.
Sets the color key (transparent pixel) in a blittable surface and RLE acceleration.