ttk::panedwindow(3tk) on Linux
The text 918f08c5e0b4, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
Multi-pane container window
The text 918f08c5e0b4, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.
Multi-pane container window