File psl-1983/3-1/doc/nmode/nm-windows.function from the latest check-in
.silent_index {two-windows-command} idx 18-1 .silent_index {one-window-command} idx 18-1 .silent_index {other-window-command} idx 18-1 .silent_index {exchange-windows-command} idx 18-1 .silent_index {scroll-other-window-command} idx 18-2 .silent_index {view-two-windows-command} idx 18-2 .silent_index {grow-window-command} idx 18-2 .silent_index {visit-in-other-window-command} idx 18-3