Reference

byaccj(1) on Linux

The text 9659bd7d3936, as Debian 13 (Trixie), 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.

an LALR(1) parser generator for Java

Flags it lists

byaccj(1) on Linux now