Variable: vc-rcsdiff-knows-brief
vc-rcsdiff-knows-brief is a customizable variable defined in
vc-rcs.el.gz.
Value
nil
Documentation
Indicates whether rcsdiff understands the --brief option.
The value is either yes, no, or nil. If it is nil, VC tries
to use --brief and sets this variable to remember whether it worked.
Source Code
;; Defined in /usr/src/emacs/lisp/vc/vc-rcs.el.gz
:version "24.1") ; no longer consult the obsolete vc-header-alist
(defcustom vc-rcsdiff-knows-brief nil
"Indicates whether rcsdiff understands the --brief option.
The value is either `yes', `no', or nil. If it is nil, VC tries
to use --brief and sets this variable to remember whether it worked."
:type '(choice (const :tag "Work out" nil) (const yes) (const no)))