Mention corresponding versions #263

Author: dgutov

diff-hl.el

@@ -422,6 +422,7 @@ It can be a relative expression as well, such as \"HEAD^\" with Git, or
       (and (eq state 'up-to-date)
            ;; VC state is stale in after-revert-hook.
            (or (static-if (boundp 'revert-buffer-in-progress)
+                   ;; Emacs 31.
                    revert-buffer-in-progress
                  revert-buffer-in-progress-p)
                ;; Diffing against an older revision.
@@ -741,6 +742,7 @@ Return a list of line overlays used."
   (if (listp value-or-buffer)
       (funcall cb value-or-buffer)
     (static-if (fboundp 'vc-run-delayed-success)
+        ;; Emacs 31.
         (with-current-buffer value-or-buffer
           (vc-run-delayed-success 1
             (funcall cb (diff-hl-changes-from-buffer (current-buffer)))))