Foton

 Foton (Russian: Фотон) is a text editor based on MultiEdit.

 Author:    Multi Edit Software
 Homepage:  -
 Download:  -
 Family:    -
 Platform:  MS-DOS
 License:   -

 Features:

multi-window (up to 100 Windows), Windows can be moved, resized;
editable file size up to 32 megabytes;
ability to cancel any of the last 100 operations;
a powerful macro language with which you can even change the user interface;
a demo program that you can run before you start;
context-sensitive help;
computer mouse support;
search and replace mechanism using logical operands;
there is a DOS simulator (like a shell, where you can copy, move, delete, rename, print files without leaving the editor);
AutoSave? text after a certain time;
ability to draw lines;
built-in calculator;
customizing the color palette;

 Screenshot: