Tk::NoteBook(3pm) on Linux
The text c402a81f06d7, as Debian 9 (Stretch) shipped it.
display several windows in limited space with notebook metaphor.
Flags it lists
-
-backpagecolor -
-disabledforeground -
-dynamicgeometry -
-focuscolor -
-font -
-inactivebackground -
-ipadx -
-ipady -
-tabpadx -
-tabpady