Variable: mail-names
mail-names is a variable defined in mailalias.el.gz.
Value
t
Documentation
Alist of local users, aliases and directory entries as available.
Elements have the form (MAILNAME) or (MAILNAME . FULLNAME).
If the value means t, it means the real value should be calculated
for the next use. This is used in mail-complete.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/mailalias.el.gz
;; Internal variables.
(defvar mail-names t
"Alist of local users, aliases and directory entries as available.
Elements have the form (MAILNAME) or (MAILNAME . FULLNAME).
If the value means t, it means the real value should be calculated
for the next use. This is used in `mail-complete'.")