Variable: diff-jump-to-old-file
diff-jump-to-old-file is a customizable variable defined in
diff-mode.el.gz.
Value
nil
Documentation
Non-nil means diff-goto-source jumps to the old file.
Else, it jumps to the new file.
Source Code
;; Defined in /usr/src/emacs/lisp/vc/diff-mode.el.gz
(defcustom diff-jump-to-old-file nil
"Non-nil means `diff-goto-source' jumps to the old file.
Else, it jumps to the new file."
:type 'boolean)