panedwindow(3iwidgets) on Linux
The text 778197909a29, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink) shipped it. The page shows this text now.
Create and manipulate a paned window widget