+2001-02-01 Andre Spiegel <spiegel@gnu.org>
+
+ * vc.el (vc-diff-switches): New user option.
+ (vc-version-diff): Use it.
+ (vc-diff-switches-list): New macro.
+
+ * vc-{rcs,cvs,sccs}.el: (vc-BACKEND-diff-switches): New
+ customization options.
+ (vc-BACKEND-diff): Use new options via vc-diff-switches-list.
+
+ * vc-sccs.el (vc-sccs-workfile-unchanged-p): Return correct status.
+
2001-02-01 Gerd Moellmann <gerd@gnu.org>
* msb.el (toplevel): Quote hook symbols.