Mark ediff-before-session-group-setup-hooks as obsolete

* lisp/vc/ediff-mult.el (ediff-before-session-group-setup-hooks):
Mark this apparently unused variable as obsolete (bug#36618).

1 files changed, 4 insertions, 0 deletions

diff --git a/lisp/vc/ediff-mult.el b/lisp/vc/ediff-mult.el
index bfa399d3033..b6669003352 100644
--- a/lisp/vc/ediff-mult.el
+++ b/lisp/vc/ediff-mult.el
@@ -230,6 +230,10 @@ This hook can be used to save the previous window config, which can be restored
 on `ediff-quit', `ediff-suspend', or `ediff-quit-session-group-hook'."
   :type 'hook
   :group 'ediff-hook)
+;; Because this variable is apparently never used, it's marked as
+;; obsolete without replacement.
+(make-obsolete-variable 'ediff-before-session-group-setup-hooks nil "27.1")
+
 (defcustom ediff-after-session-group-setup-hook nil
   "Hooks run just after a meta-buffer controlling a session group, such as
 ediff-directories, is run."