Thread View: fa.editor-p
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Started by utzoodecvaxucbvaxeditor-p
Sat, 12 Mar 1983 05:09
Yet another EMACS-like editor written in Lisp
Author: utzoodecvaxucbvaxeditor-p
Date: Sat, 12 Mar 1983 05:09
Date: Sat, 12 Mar 1983 05:09
25 lines
1561 bytes
1561 bytes
>From ADMIN.JQJ@SU-SCORE.ARPA Sat Mar 12 05:06:14 1983 Received: by UCBVAX.ARPA (3.322/3.14) id AA00660; 12 Mar 83 05:08:27 PST (Sat) To: Editor-People@SU-SCORE Resent-To: People.;@Editor The Spice Lisp group at CMU is currently working on Hemlock, an editor written in Common Lisp. This will initially run in Vax Common Lisp, which is being jointly developed by DEC and CMU, and in Spice Lisp on the Perq. Hemlock is barely walking now, but by late summer it should be up and running. The code will be public-domain. Our initial goal is to make Hemlock look like Emacs to the user; once we have reached this level, we will consider extensions and improvements. We will send a notice to this list when the system is ready for outside users. We're using a doubly-linked list of lines representation, and are experimenting with including a "line number" in the line objects. The numbers are integers kept in ascending order, so mark comparison can be done in constant time. Making such comparison a cheap operation lets us insure a certain amount of integrity with low overhead. Does anyone out there have any statistics on how often mark comparison is done in an EMACS-like editor? --Skef
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