SoNormal(3iv) on Linux
The text a318706bfe23, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 9 (Stretch), Debian 7 (Wheezy), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it. The page shows this text now.
node that defines surface normals for shapes