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Subject: Re: Style in elisp: how to show a flag value in the modeline?
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francois.fleuret@noos.fr (François Fleuret) writes:

> I added
>
> (setq minor-mode-alist
>   (assq-delete-all 'mp3play-auto-mode minor-mode-alist))
>
> in a function called by kill-buffer-hook, and
>
> (setq minor-mode-alist
>   (cons  '(mp3play-auto-mode " auto-play") minor-mode-alist))
>
> in the initialization. Also, (force-mode-line-update) when the flag is
> flipped. Is that the right way to go ? Using minor-mode-alist wihout
> having defined a minor-mode ?

I suggest to just frob the variable mp3play-auto-mode and leave the
entry in at all times.  That's how it's intended to be used.

-- 
A preposition is not a good thing to end a sentence with.