* lisp/vc/vc-rcs.el: Remove some ancient comments.

Anyone using rcs < 5.6.2 in 2011 probably has a functioning time
machine, so does not need hand-holding.

diff --git a/lisp/vc/vc-rcs.el b/lisp/vc/vc-rcs.el
index d3a64f15f9e7ba307b76166b66a44242f31fb1fa..488efaa35226b9c5c5a7d0134c6b28fef3b44c62 100644 (file)
--- a/lisp/vc/vc-rcs.el
+++ b/lisp/vc/vc-rcs.el
@@ -25,14 +25,10 @@
 
 ;; See vc.el
 
-;; Some features will not work with old RCS versions.  Where
+;; Some features will not work with ancient RCS versions.  Where
 ;; appropriate, VC finds out which version you have, and allows or
-;; disallows those features (stealing locks, for example, works only
-;; from 5.6.2 onwards).
-;; Even initial checkins will fail if your RCS version is so old that ci
-;; doesn't understand -t-; this has been known to happen to people running
-;; NExTSTEP 3.0.
-;;
+;; disallows those features.
+
 ;; You can support the RCS -x option by customizing vc-rcs-master-templates.
 
 ;;; Code:
@@ -391,7 +387,7 @@ whether to remove it."
          (vc-rcs-set-default-branch file
                                     (if (vc-rcs-trunk-p new-version) nil
                                       (vc-branch-part new-version)))
-         ;; If this is an old RCS release, we might have
+         ;; If this is an old (pre-1992!) RCS release, we might have
          ;; to remove a remaining lock.
          (if (not (vc-rcs-release-p "5.6.2"))
              ;; exit status of 1 is also accepted.