XmMainWindow(3) on Linux
The text 081265a7e3f0, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Motif-compatible main-window widget
The text 081265a7e3f0, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Motif-compatible main-window widget