File psl-1983/3-1/doc/nmode/nm-windows.topic from the latest check-in

.silent_index {windows} idx 18-1
.silent_index {two} idx 18-1
.silent_index {OUTPUT} idx 18-1
.silent_index {scrolling} idx 18-2
.silent_index {numeric} idx 18-2
.silent_index {buffers} idx 18-2
.silent_index {numeric} idx 18-2
.silent_index {visiting} idx 18-3
.silent_index {buffers} idx 18-3
.silent_index {files} idx 18-3