Variable: diff-use-changed-face
diff-use-changed-face is a variable defined in diff-mode.el.gz.
Value
nil
Documentation
Controls how changed lines are fontified in context diffs.
If non-nil, use the face diff-changed-unspecified. Otherwise,
use the face diff-removed for removed lines, and the face
diff-added for added lines.
Probably introduced at or before Emacs version 24.3.
Source Code
;; Defined in /usr/src/emacs/lisp/vc/diff-mode.el.gz
(defvar diff-use-changed-face (and (face-differs-from-default-p 'diff-changed)
(not (face-equal 'diff-changed 'diff-added))
(not (face-equal 'diff-changed 'diff-removed)))
"Controls how changed lines are fontified in context diffs.
If non-nil, use the face `diff-changed-unspecified'. Otherwise,
use the face `diff-removed' for removed lines, and the face
`diff-added' for added lines.")