master eac9757f5c1: ; * lisp/vc/vc.el (vc-deduce-fileset): Add commentary for bug#68174.

[Eli Zaretskii]

branch: master
commit eac9757f5c1be1d13ad8e2a8c098bf0a24435e5c
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    ; * lisp/vc/vc.el (vc-deduce-fileset): Add commentary for bug#68174.
---
 lisp/vc/vc.el | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lisp/vc/vc.el b/lisp/vc/vc.el
index 7b2301ee3e5..b8cc44fc3dc 100644
--- a/lisp/vc/vc.el
+++ b/lisp/vc/vc.el
@@ -1157,6 +1157,9 @@ BEWARE: this function may change the current buffer."
              (vc-checkout-model backend buffer-file-name))
        (list backend (list buffer-file-name))))
      ((derived-mode-p 'log-view-mode)
+      ;; 'log-view-mode' stashes the backend and the fileset in the
+      ;; two special variables, so we use them to avoid any possible
+      ;; mistakes from a decision made here ad-hoc.
       (list log-view-vc-backend log-view-vc-fileset))
      ((and (buffer-live-p vc-parent-buffer)
            ;; FIXME: Why this test?  --Stef