2012-06-06 Glenn Morris <rgm@gnu.org>
+ * emacs-lisp/authors.el (authors-fixed-entries): Remove vcdiff
+
* vc/vc-sccs.el (vc-sccs-write-revision): New function.
(vc-sccs-workfile-unchanged-p): Use vc-sccs-write-revision.
(vc-sccs-diff): Replace use of the external vcdiff script.