Getting help on Fred commands

As you have seen, there are a great number of Fred commands for a great number of purposes. Fred commands are actually Lisp functions bound to keystrokes. To help you find Fred commands you need, their is a Fred Commands window which lists all these functions and their corresponding keystrokes. To bring up the Fred Commands window choose Fred Commands from the Tools menu or press Control-/ or Control-? when the top window is a Fred window.

Figure 2-6 The Fred commands window

There are two ways to use the Fred Commands window. You can enter a likely substring of a command function name, and the window will display all the commands that include that substring in their name. Or, you can enter a keystroke or partial keystroke, and the window will display all the commands that use that keystroke or partial keystroke.

For example, suppose that you want to find all the Fred commands that deal with expressions.

Choose Fred Commands from the Tools menu.
The Fred Commands window appears.
Search for commands that contain the string "exp".
Type "exp" into the text field in the upper-left of the window. MCL matches the string as you type it, character by character. The matching is not case-sensitive.

The scrolling list in the middle of the window displays all the commands which match the given criteria. On the left of the list is the name of the function which performs the command. On the right is the keystroke which invokes the command. In the right hand column, "c" stands for "control" and "m" stands for "meta" (the option key).

You can also narrow your search by keystroke.

Move the insertion point to the text field in the upper right of the Fred Commands window.
Hold down the control key and the letter "a."
Note that a much smaller number of commands are now shown: only those which contain "exp" in their command name, and which are invoked through a keystroke that includes control and "a."

Getting help on Listener commands

Gettmg Started with MCL - 19 OCT 1996

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