The MCL editor, Fred

Macintosh Common Lisp includes a powerful editor, Fred. Based on Emacs, Fred ("Fred Resembles Emacs Deliberately") includes the usual Macintosh editing features, such as multiple windows and mouse-based editing. In addition it includes a sophisticated set of features designed specifically for editing Lisp. Among these are parenthesis matching, smart indentation, and Lisp expression-oriented keyboard commands.

Moreover, because Fred is written in MCL, it is fully programmable: you can change its keymappings, change the behavior of existing commands, and add new commands.

In the next few sections, you will learn how to do the following:

: Create a new Fred window.
Edit text in the window.
Execute expressions in the window.
Navigate through the text of the window.
Save your work to a file on disk.
: Edit text in the window.
Execute expressions in the window.
Navigate through the text of the window.
Save your work to a file on disk.
: Execute expressions in the window.
Navigate through the text of the window.
Save your work to a file on disk.
: Navigate through the text of the window.
Save your work to a file on disk.
: Save your work to a file on disk.

In doing this, you'll create a dialog box that asks your name and prints it out, along with a greeting.

Creating a Fred window
Executing expressions in a Fred window
Lisp-based editing
Saving source code to a file
Getting help on Fred commands

Gettmg Started with MCL - 19 OCT 1996

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