On 2023-05-10 Adam Thompson wrote:
EDIT: looks like it might have been Eric Meyer's VDE. The "About" page (https://sites.google.com/site/vdeeditor/Home/about-vde) lines up pretty well with my memory. Or possibly ZDE, which was the continuation of VDE once VDE jumped to MS-DOS.
"The "Video Display Oriented" editor was a programming exercise published in 1982 by Richard Forbes in BYTE Magazine"
That issue *might* be in the collection from which we are giving away copies at meetings.