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Is it possible to make imenu refresh on every access, and to remove the *Rescan* item from the menu?

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  • Variable imenu-auto-rescan: "Non-nil means Imenu should always rescan the buffers." I do not know if that resolves the *Rescan* from appearing in the list and will not be testing that aspect/feature this evening, sorry. – lawlist Feb 13 '18 at 4:59
  • Checked the code, seems there is no option not to add the rescan menu item. – ideasman42 Feb 13 '18 at 5:04
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This makes the rescan item an empty string, maybe that's good enough.

(setq imenu-auto-rescan t
      imenu-auto-rescan-maxout (* 1024 1024)
      imenu--rescan-item '("" . -99))

Here's some advice on some internal imenu functions that actually removes the rescan item. I think I got the corner cases, but it might break in the future.

(defun jpk/imenu-no-rescan-item (ret)
  (when (and imenu-auto-rescan (<= (buffer-size) imenu-auto-rescan-maxout))
    (setq ret (delq imenu--rescan-item ret)))
  ret)
(advice-add 'imenu--make-index-alist :filter-return #'jpk/imenu-no-rescan-item)
(advice-add 'imenu--split-menu :filter-return #'jpk/imenu-no-rescan-item)

You should make a bug report to get a proper fix in. It seems silly to have the rescan item if auto rescan is enabled.

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  • @ideasman42 you should get an email with the assigned bug number. – jpkotta Feb 13 '18 at 21:22
  • But report sent. – ideasman42 Feb 13 '18 at 21:26

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