Reference

blockdiag3(1) on Linux

The text 70dc33feb296, 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.

generate block-diagram image file from spec-text file.

Flags it lists

blockdiag3(1) on Linux now