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Re: Multiple keymaps for a minor mode

From: Tim Johnson
Subject: Re: Multiple keymaps for a minor mode
Date: Wed, 26 Feb 2020 10:05:40 -0900
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0

On 2/26/20 3:05 AM, Michael Heerdegen wrote:
Tim Johnson <> writes:

(add-to-list 'emulation-mode-map-alists `((tj-minor-mode . ,tj-mode-map)))
I wish to separate `tj-mode-map into a number of individual mode maps
that are configured by category. [...]
An alternative to what already has been discussed could be to use
`make-composed-keymap' to combine the split maps to the minor mode map.
The result inherits changes of its parts

Thanks Michael. I'm glad to hear about make-composed-keymap.

I will research its usage, time permitting.

I actually scrapped the idea of multiple minor modes by category. It seemed as if I were unnecessarily populating my environment with modes.

My original interest was prompted by wishing to have "help" on keybindings by category. My solution has been to set up a menuing scheme using x-popup-menu. I would note, as others would, that tmm-prompt could be an alternative if I ever had to use emacs in terminal mode - which I do not implement at this time.

The advantage is that a binding and command can now appear in more than one category. The disadvantage is that if I were to change a keybinding, I would also have to change at least one and maybe more menu entries.

thanks again


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