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Lisp Editing in the 80s - Interlisp SEdit

thoughtupquick · demo · Watch on YouTube

Testing, debugging & developer toolsHistory of computingFunctional programming

What it is

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.

Why Hacker News recommends it

Linked as the clearest view of the legendary structural editor in threads about Lisp environments and structure editing.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2019, last 2021

What HN commenters said

  1. “i know this project for its legendary structural editor, SEdit[1]”

    Legendary structural editor SEdit demo

    undershirt, 2020-08 · Recommendation · in “Interlisp project: Restore Interlisp-D to usability on modern OSes”

  2. “Brian Mastenbrook demonstrating Interlisp's SEDIT structure editor in the Xerox Lisp environment”

    Demo of Interlisp SEdit structure editor in Xerox Lisp

    mikelevins, 2021-01 · Recommendation · in “On Repl-Driven Programming”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: interlisp, sedit, xerox lisp, structural editing, lisp history

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