Comment for vc-sccs

diff --git a/lisp/vc/vc-sccs.el b/lisp/vc/vc-sccs.el
index a34222f72369239de626f4e9f25ba705757c6d88..82f30b509ffccbc1e574e8d96420c261cf2b004a 100644 (file)
--- a/lisp/vc/vc-sccs.el
+++ b/lisp/vc/vc-sccs.el
@@ -74,6 +74,9 @@ If nil, use the value of `vc-diff-switches'.  If t, use no switches."
   :version "24.1"     ; no longer consult the obsolete vc-header-alist
   :group 'vc-sccs)
 
+;; This needs to be autoloaded because vc-sccs-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-sccs-master-templates
   (purecopy '("%sSCCS/s.%s" "%ss.%s" vc-sccs-search-project-dir))