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Eric Fischer  
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 More options Nov 15 2000, 1:53 am
Newsgroups: alt.os.multics, alt.folklore.computers
From: Eric Fischer <e...@pobox.com>
Date: 15 Nov 2000 06:52:38 GMT
Local: Wed, Nov 15 2000 1:52 am
Subject: Re: emacs and other editors
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Joachim Pense  <joachim_pe...@hotmail.com> wrote:

> And, finally, what is the historical relation of qed(x)/ted to the Unix zoo
> of editors (ed/ex/vi/sed...)?

What appears below looks dangerously Mentifex-like, but I assure you
it is actually supposed to represent a vi-centric family tree of editors.
Links that I can't prove but want to believe are shown as question marks.

There are undoubtedly errors and omissions, so if anyone can correct any
of these I would appreciate it.

eric

                                 Colossal Typewriter
                           by John McCarthy and Roland
                               Silver for the PDP-1  |   Photon typesetter  
                                ?                    |   editors by Michael
                                ?                     \  Barnett & Kalon      
             Expensive Typewriter        CREATE/EDIT   \  Kelley for      TECO
           for PDP-1 by Steve Piner       for CTSS      \ IBM 704     for PDP-1
                   /         |           /     |  \      \__  \   by Dan Murphy
                  /          |          /      |   \        \  \            |
  * Expensive Typewriter  editors      EDITS   | MEMO/MODIFY |  |   VEDIT   |
    for PDP-1, improved    for       by Arthur | by Leslie   |  | by Victor |
    by Peter Deutsch      PDP-4,       Samuel  |   Lowry    /   |  Yngve    |
            |            PDP-5/8      for CTSS  \ for CTSS /  _/  for     PDP-6
            |                            ?   \_  \    |   / _/   CTSS  TECO by
           QED                           ?     \_ \   |  / /   /    Greenblatt,
    for Berkeley SDS-940                 ?       \ \  | | |  /       Holloway,
       by Deutsch and                  LINED    TYPSET for CTSS     and Nelson
       Butler Lampson                for PDP-6  by Jerry Saltzer     ?  |   |
         /           \                  |          |          |     ?   |   |
        /             \                 |      PDP-7/9 editor |    ?  DEC   |
      QED,          * QED               |                     |   ?  TECO   |
  as published      for CTSS            |     ????????????????|???          |
    in CACM     by Ken Thompson         |   ??                |            ITS
        |               |               |  ?      ED (and EDL, EDA, EDB)  TECO
        |               |             STOPGAP            for CTSS        /  |
        |              QED           for PDP-10              |          /  /
        |           for Multics    by Bill Weiher            |         /  |
        |       by Ken Thompson          |                  edit      |   |
        |         /         \           SOS            for Multics    |   |
        |        /           \       for PDP-10    by Charles Garman  |   |
        |      qedx          QED       by Steve           |       ___/    |
        |  for Multics     for GCOS      Savitzky         |      /     EMACS
        |               by Dennis Ritchie  ?            edm     /    in TECO
        |                    |             ?       for Multics /  by RMS et al.
      QUIDS                  |             ?                  /   /  |      |
by George Coulouris       * ed             ?            _____/   /   |      |
      et al.            for PDP-7 Unix     ?           /        /    |      |
        |              by Ken Thompson     ?          |        /     |      |
        |                   |              ?     ZED/DOC      /    Multics  |
        |                   |              ?   by Vaughan    /      EMACS   |
        |                  ed              ?    Pratt       /   by Bernard  |
        |               for Unix           ?   in TECO     /    Greenberg   |
        |           (various versions)     ?     |        /         |      /
        |                 |                ?     |       /           \    /
        |                 |               ?      |      /           GNU Emacs
         \               ed              ?      /      /
          \         for Unix v6         ?      /      /
           \      /     |     \        ?      /      /
            \   /   other eds  |      ?      /      /
             em      (UCLA?)   |     ?      /      /
Unix ed with additions    |    |    ?      |      /
 from George Coulouris     \   |   ?       |     /
   |      |          \__    |  |  ?        |    /
   |      |             \__ |  | ?         |   /
other     |                ex (v1)         |  /
 em       |      Unix ed with additions   /  /
variants  |      by Bill Joy and Charles /  /
         DED                Haley       /  /
   by Richard Bornat,         |        /  /
   Harold Thimbleby         ex (v2)   /  /
                    Unix ed with additions
                          by Bill Joy
                              |
                             ex/vi (v3)
                     extended by Mark Horton


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