From Dan Nicolaescu <dann@ics.uci.edu>

From Dan Nicolaescu  <dann@ics.uci.edu>

(ediff-current-diff-face-A)
(ediff-current-diff-face-B, ediff-current-diff-face-C)
(ediff-current-diff-face-Ancestor)
(ediff-fine-diff-face-A, ediff-fine-diff-face-B)
(ediff-fine-diff-face-C, ediff-fine-diff-face-Ancestor)
(ediff-even-diff-face-A, ediff-even-diff-face-B)
(ediff-even-diff-face-C, ediff-even-diff-face-Ancestor)
(ediff-odd-diff-face-A, ediff-odd-diff-face-B)
(ediff-odd-diff-face-C, ediff-odd-diff-face-Ancestor):
Use min-colors.