ZWEI

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 "Zwei Was Eine, Initially"

 Author:    Daniel Weinreb and Mike McMahon?
 Wikipedia: http://en.wikipedia.org/wiki/ZWEI 
 Source:    http://www.heeltoe.com/retro/mit/mit_cadr_lmss.html (As part of a 71MB gzipped tar archive)
 Family:    EmacsFamily
 Platform:  Lisp machine
 License:   Open source

A successor to EINE developed in the early 1980's, and written in [ZetaLisp]. Innovations included programmability in Lisp, and implementing an edit buffer as a doubly-linked list of lines. It was described in Weinrab's thesis: Daniel L. Weinreb, A Real-Time Display-oriented Editor for the LISP Machine, Undergraduate Thesis, MIT EECS Department, January 1979.

It became the preferred editor for Symbolics Lisp Machines.

ZWEI would later become the basis for Zmacs.


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Last edited May 27, 2009 8:55 am (diff)
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