Variable: diff-use-labels

diff-use-labels is a variable defined in diff.el.gz.

Value

check

Documentation

Whether diff-command understands the "--label" option.

Possible values are:
  t -- yes, it does
  nil -- no, it does not
  check -- try to probe whether it does

Source Code

;; Defined in /usr/src/emacs/lisp/vc/diff.el.gz
(defvar diff-use-labels 'check
  "Whether `diff-command' understands the \"--label\" option.
Possible values are:
  t     -- yes, it does
  nil   -- no, it does not
  check -- try to probe whether it does")