Abstract SEDT Supplements is a set of files for use with Anker Berg-Sonne's programmable SEDT editor. The supplements are intended to help turn SEDT into a complete word processor capable of fitting into a variety of contexts. Included are modifications of key definition and help files provided with older versions of SEDT, and command files to adapt SEDT for use with Tandy DMP-105, Hewlett-Packard LaserJet, and Epson printers. Each user will have to customize the command files somewhat in order to use them. The command files may serve as a basis for adaptations to other printers. Although these files have been tested only on DEC Rainbows, some of the supplements may be useful also in adapting SEDT to other computers. SEDT version 3.3(219) is also provided. SEDT and the supplements are contained in archives. A de-archiving utility and its documentation are included on the diskette, as is a list of all files. David P. Maroun 9395 Windsor Street Chilliwack, British Columbia 27-Nov-1988