nowhere(1) on Linux
The text 2d1b836caa2b, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 5.0 (Lenny) shipped it. The page shows this text now.
a tree parser generator for Standard ML