Advanced editor for Wang VS series systems
Author: Wang Laboratories - Jimmy Huangs & George Soules Homepage: Family: MainframeEditorFamily EmacsEditorFamily? Platform: Wang VS License: Commercial
Named PDE in the development stage, (Program Development Editor) but when released was called ADEPT.
It is command driven (whereas EDITOR is strictly function key driven). It supports multiple windows, and scrolling and editing without the need for line numbers.
Reportedly based on a version of Emacs