This may cleara it up.

https://softsenseblog.files.wordpress.com/2015/07/asr33-753504.jpg

On Sat, Apr 15, 2017 at 2:49 PM Dave Horsfall <dave@horsfall.org> wrote:
On Sun, 15 Apr 2017, Mutiny  wrote:

> I alkways wonder why there wasn't any WYSIWYG n/troff software. At least
> I don't know about it.

Err, because terminals were hard-copy at the time?

--
Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer."