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Don't try to unregister tracker ID twice

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* lisp/vc/diff-mode.el (diff-minor-mode): Clear
diff--track-changes after unregistering.
This commit is contained in:
Andreas Schwab 2025-02-08 19:32:06 +01:00
parent bdf77074bf
commit a0e1115caa
1 changed files with 6 additions and 5 deletions
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11
lisp/vc/diff-mode.el
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@ -1620,15 +1620,16 @@ a diff with \\[diff-reverse-direction].
\\{diff-minor-mode-map}"
:group 'diff-mode :lighter " Diff"
;; FIXME: setup font-lock
(when diff--track-changes (track-changes-unregister diff--track-changes))
(when diff--track-changes
(track-changes-unregister diff--track-changes)
(setq diff--track-changes nil))
(remove-hook 'write-contents-functions #'diff-write-contents-hooks t)
(when diff-minor-mode
(if (not diff-update-on-the-fly)
(add-hook 'write-contents-functions #'diff-write-contents-hooks nil t)
(unless diff--track-changes
(setq diff--track-changes
(track-changes-register #'diff--track-changes-signal
:nobefore t))))))
(setq diff--track-changes
(track-changes-register #'diff--track-changes-signal
:nobefore t)))))
;;; Handy hook functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;