When you start Emacs, it loads your `.emacs' file unless you tell
it not to by specifying `-q' on the command line. (The
emacs -q command gives you a plain, out-of-the-box Emacs.)
A `.emacs' file contains Lisp expressions. Often, these are no more than expressions to set values; sometimes they are function definitions.
See section `The Init File `~/.emacs'' in The GNU Emacs Manual, for a short description of initialization files.
This chapter goes over some of the same ground, but is a walk among extracts from a complete, long-used `.emacs' file--my own.
The first part of the file consists of comments: reminders to myself. By now, of course, I remember these things, but when I started, I did not.
;;;; Bob's .emacs file ; Robert J. Chassell ; 26 September 1985
Look at that date! I started this file a long time ago. I have been adding to it ever since.
; Each section in this file is introduced by a ; line beginning with four semicolons; and each ; entry is introduced by a line beginning with ; three semicolons.
This describes the usual conventions for comments in Emacs Lisp. Everything on a line that follows a semicolon is a comment. Two, three, and four semicolons are used as section and subsection markers. (See section `Comments' in The GNU Emacs Lisp Reference Manual, for more about comments.)
;;;; The Help Key ; Control-h is the help key; ; after typing control-h, type a letter to ; indicate the subject about which you want help. ; For an explanation of the help facility, ; type control-h three times in a row.
Just remember: type C-h three times for help.
; To find out about any mode, type control-h m ; while in that mode. For example, to find out ; about mail mode, enter mail mode and then type ; control-h m.
`Mode help', as I call this, is very helpful. Usually, it tells you all you need to know.
Of course, you don't need to include comments like these in your `.emacs' file. I included them in mine because I kept forgetting about Mode help or the conventions for comments--but I was able to remember to look here to remind myself.
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