Variable: vc-find-revision-no-save
vc-find-revision-no-save is a customizable variable defined in
vc.el.gz.
Value
nil
Documentation
If non-nil, vc-find-revision doesn't write the created buffer to file.
This variable was added, or its default value changed, in Emacs 27.1.
Probably introduced at or before Emacs version 27.1.
Source Code
;; Defined in /usr/src/emacs/lisp/vc/vc.el.gz
(defcustom vc-find-revision-no-save nil
"If non-nil, `vc-find-revision' doesn't write the created buffer to file."
:type 'boolean
:version "27.1")