Variable: save-abbrevs
save-abbrevs is a customizable variable defined in files.el.gz.
Value
t
Documentation
Non-nil means save word abbrevs too when files are saved.
If silently, don't ask the user before saving.
Probably introduced at or before Emacs version 22.1.
Source Code
;; Defined in /usr/src/emacs/lisp/files.el.gz
(defcustom save-abbrevs t
"Non-nil means save word abbrevs too when files are saved.
If `silently', don't ask the user before saving."
:type '(choice (const t) (const nil) (const silently))
:group 'abbrev)