-- Auto-generated for Macaulay2-1.26.06. Do not modify this file manually. --

                       Editing Macaulay2 code with Emacs

editing Macaulay2 code with Emacs
*********************************

In this section we learn how to use Emacs to edit Macaulay2 code. Assuming you
have set up your Emacs init file as described in "setting up the Macaulay2
Emacs interface", when you visit a file whose name ends with .m2 you will see
on the mode line the name Macaulay2 in parentheses, indicating that the file is
being edited in Macaulay2 mode.

To see how electric parentheses, electric semicolons, and indentation work,
open a file whose name ends with .m2 and type the following text.

f = () -> (
    a := 4;
    b := {6,7};
    a+b)

Observe carefully how matching left parentheses are indicated briefly when a
right parenthesis is typed.

Now position your cursor in between the 6 and 7.  Notice how pressing "M-C-u"
moves you up out of the list to its left.  Do it again.  Experiment with
"M-C-f" and "M-C-b" to move forward and back over complete parenthesized
expressions.  (In the Emacs manual a complete parenthesized expression is
referred to as an sexp, which is an abbreviation for S-expression.)  Try how to
use "C-w" to kill them and "C-y" to yank them back.  Experiment with "M-C-k" to
kill the next complete parenthesized expression.

Position your cursor on the 4 and observe how "M-;" will start a comment for
you with two hyphens, and position the cursor at the point where commentary may
be entered.

Type res somewhere and then press "C-c TAB" to bring up the possible
completions of the word to documented Macaulay2 symbols.

Notice how "C-h m" or "F1 m" will display the keystrokes peculiar to the mode
in a help window.



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The source of this document is in
/build/macaulay2-0a7Vst/macaulay2-1.26.06+ds/M2/usr-dist/common/share/Macaulay2
/Macaulay2Doc/ov_editors_emacs.m2:459:0.
