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Re: new-flex-completion-style

From: Stefan Monnier
Subject: Re: new-flex-completion-style
Date: Wed, 13 Feb 2019 10:24:04 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

> But you didn't answer my question: what specific features of flx
> are you looking for?

IIUC Le Wang's `flx` has two main features:
- Its scoring is supposed to be particularly good.
- It's supposed to be particularly fast.

> I'd be happy to implement them if I have
> the time, but I have to understand what they are.

Other than using flx.el I don't see any good way to "implement" those
features (especially the one about speed).

Of course, I have no idea if flx.el's scoring is indeed significantly
better in practice, nor if it's significantly faster in practice either.

BTW, the issue of scoring quality is not nearly as obvious as one might
think because the score one should give to a particular match depends on
the user's expectation and the user's expectation often depend on the
past behavior of the tool, i.e. on the scoring.


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