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autorevert: Use defvar-local for the -mode variables

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* lisp/autorevert.el (auto-revert-mode, auto-revert-tail-mode):
Use defvar-local not defvar.  New comment explaining why these
duplicate definitions of the variables are present.
This commit is contained in:
Sean Whitton 2025-10-16 16:56:00 +01:00
parent 8aeb4f82d9
commit f36ed942b1
1 changed files with 6 additions and 2 deletions
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lisp/autorevert.el
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@ -126,12 +126,16 @@ Global Auto-Revert Mode does so in all buffers."
;; Variables:
(defvar auto-revert-mode nil
;; These two variables are defined here in addition to within the
;; `define-minor-mode' forms below because the modes are mutually
;; self-referential.
(defvar-local auto-revert-mode nil
"Non-nil when Auto-Revert Mode is active.
Never set this variable directly, use the command `auto-revert-mode' instead.")
(put 'auto-revert-mode 'permanent-local t)
(defvar auto-revert-tail-mode nil
(defvar-local auto-revert-tail-mode nil
"Non-nil when Auto-Revert Tail Mode is active.
Never set this variable directly, use the command
`auto-revert-tail-mode' instead.")