Variable: diff-hl-reference-revision
diff-hl-reference-revision is a variable defined in diff-hl.el.
Value
nil
Documentation
Revision to diff against. nil means the most recent one.
It can be a relative expression as well, such as "HEAD^" with Git, or
"-2" with Mercurial.
Source Code
;; Defined in /nix/store/cfz56rl3lp066226i0bmmgiicls3gcq7-emacs-packages-deps/share/emacs/site-lisp/elpa/diff-hl-20261001.135/diff-hl.el
(defvar diff-hl-reference-revision nil
"Revision to diff against. nil means the most recent one.
It can be a relative expression as well, such as \"HEAD^\" with Git, or
\"-2\" with Mercurial.")