Variable: save-completions-file-name
save-completions-file-name is a customizable variable defined in
completion.el.gz.
Value
"~/.emacs.d/completions"
Documentation
The filename to save completions to.
Probably introduced at or before Emacs version 19.31.
Source Code
;; Defined in /usr/src/emacs/lisp/completion.el.gz
(defcustom save-completions-file-name
(locate-user-emacs-file "completions" ".completions")
"The filename to save completions to."
:type 'file)