Reference

set_menu_win(3) on FreeBSD

The text 670cc707b5a9, as FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE, FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.

make and break menu window and subwindow associations

set_menu_win(3) on FreeBSD now