HackerTube / Video
Lisp Editing in the 80s - Interlisp SEdit
thoughtupquick

A short demo of SEdit, the structure editor for Interlisp-D on Xerox Lisp machines in the 1980s, which edits code as trees rather than text.
Linked as the clearest view of the legendary structural editor in threads about Lisp environments and structure editing.
3 Hacker News mentions · 2019–2021