Comment for vc-rcs

diff --git a/lisp/vc/vc-rcs.el b/lisp/vc/vc-rcs.el
index ecd7b826437fbd5a34170bf9abdd55d63b0fc1e5..baaf0c3a9261e2e2503688fd366317d44b168775 100644 (file)
--- a/lisp/vc/vc-rcs.el
+++ b/lisp/vc/vc-rcs.el
@@ -89,6 +89,9 @@ to use --brief and sets this variable to remember whether it worked."
   :type '(choice (const :tag "Work out" nil) (const yes) (const no))
   :group 'vc-rcs)
 
+;; This needs to be autoloaded because vc-rcs-registered uses it (via
+;; vc-default-registered), and vc-hooks needs to be able to check
+;; for a registered backend without loading every backend.
 ;;;###autoload
 (defcustom vc-rcs-master-templates
   (purecopy '("%sRCS/%s,v" "%s%s,v" "%sRCS/%s"))