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Re: Any infrastructure to select one of a few options in Emacs core?

From: Marcin Borkowski
Subject: Re: Any infrastructure to select one of a few options in Emacs core?
Date: Sat, 21 May 2016 22:52:31 +0200
User-agent: mu4e 0.9.16; emacs

On 2016-05-14, at 06:18, Emanuel Berg <> wrote:

> Marcin Borkowski <> writes:
>> ...
> Check out my 'buc' module! (I don't remember why
> I called it that.)
> It is actually brilliant. You have a bunch of
> options: A, B, ... N.
> Then you have keys on your keyboard: RET, SPC, TAB,
> DEL, that are close and fast and singular.
> So there is an association between the options, and
> the keys!
> But the genius of it is, if you don't care for any
> of the options displayed and shortcutted, just type!
> Any other char will take away the whole "buc prompt"
> and instead appear as the first char in the input
> string, i.e., an arbitrary string is still inputable!
> Also, I added a function so that it works like
> a cache, with the most recently selected option
> always being the leftmost (RET), and then sorted
> rightways... It is an open question if this really is
> beneficial - it can be frustrating as well, if the
> keys keep moving around! It should at least
> be disableable.

Do I get it correctly that you have reinvented hydra?  (Or the other way

Though the idea of sorting by recent-ness is nice.


Marcin Borkowski
Faculty of Mathematics and Computer Science
Adam Mickiewicz University

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