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Re: Multiple keymaps for a minor mode

From: Stefan Monnier
Subject: Re: Multiple keymaps for a minor mode
Date: Thu, 23 Jan 2020 15:49:11 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

> (defvar tj-mode-map (make-sparse-keymap)
>   "Keymap for `tj-mode'.")
> ;;;###autoload
> (define-minor-mode tj-minor-mode
>   "This minor mode enables my key settings to override conflicting modes."
>   :init-value t
>   :lighter " -tj-"
>   :keymap tj-mode-map)

This last line can be removed if you rename `tj-mode-map` to 

> (add-to-list 'emulation-mode-map-alists `((tj-minor-mode . ,tj-mode-map)))

This is redundant with the keymap setup of `define-minor-mode`, so you'd
be better off just not using the :keymap of `define-minor-mode`.

> Can I use multiple :keymap entries, one for each keymap

No, `define-minor-mode` does not support that.

> or must I define a minor mode for each of my custom keymaps?

Not a good idea either.

But you can simply your various keymaps to `emulation-mode-map-alists`
manually like you already do.


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