Re: Support for shorthand emoji input

[Eli Zaretskii <eliz@gnu.org>]

> From: Richard Stallman <rms@gnu.org>
> Cc: juri@linkov.net, tor.a.s.kringeland@ntnu.no, emacs-devel@gnu.org
> Date: Thu, 02 Dec 2021 23:29:29 -0500
> 
>   > A facility to let users specify text replacements to be done
>   > on-the-fly as you type.  It should be similar to what the abbrevs do,
>   > just extended to handle non word-constituent characters, including
>   > punctuation and symbols.  For example, replacing -- with the em-dash
>   > character — or 1/2 with ½ or (C) with © or <== with ←.
> 
> It sounds useful, but may be hard to implement efficiently.
> Abbrevs are efficient because it does lookup of a word at the end
> of that word.

I very much doubt that comparing a bunch of characters before point
with a list of strings could be so inefficient as to make this feature
unusable.

But it's all highly academic unless someone produces a working code.