@end defvar
@defvar backup-directory-alist
-@tindex backup-directory-alist
This variable's value is an alist of filename patterns and backup
directory names. Each element looks like
@smallexample
@end defvar
@defvar make-backup-file-name-function
-@tindex make-backup-file-name-function
This variable's value is a function to use for making backups instead
of the default @code{make-backup-file-name}. A value of @code{nil}
gives the default @code{make-backup-file-name} behavior.
@end defvar
@defvar auto-save-list-file-prefix
-@tindex auto-save-list-file-prefix
After Emacs reads your init file, it initializes
@code{auto-save-list-file-name} (if you have not already set it
non-@code{nil}) based on this prefix, adding the host name and process