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-rw-r--r--lisp/custom.el7
1 files changed, 7 insertions, 0 deletions
diff --git a/lisp/custom.el b/lisp/custom.el
index 352b5b0e160..604b1a3ff48 100644
--- a/lisp/custom.el
+++ b/lisp/custom.el
@@ -1707,6 +1707,13 @@ If a choice with the same tag already exists, no action is taken."
(put variable 'custom-type
(append choices (list choice))))))
+(defun custom--add-custom-loads (symbol loads)
+ ;; Don't overwrite existing `custom-loads'.
+ (dolist (load (get symbol 'custom-loads))
+ (unless (memq load loads)
+ (push load loads)))
+ (put symbol 'custom-loads loads))
+
(provide 'custom)
;;; custom.el ends here