bug#72460: [patch] add commands for setting keyboard translations interactively

[Eli Zaretskii <eliz@gnu.org>]

> Date: Sun, 04 Aug 2024 13:16:29 +0100
> From: hugo@heagren.com
> 
> The attached patch adds commands for adding and removing entries in
> `keyboard-translate-table' interactively:
> - add an interactive spec to `key-translate'
> - add a new command `key-translate-remove', which does the opposite of
>    `key-translate'.
> - add an option for users to customise how the latter function prompts
>    for which from/to pair is removed. The default just lists them with
>    `completing-read'.
> 
> I find this sort of thing useful for cases where I want to use
> something other than space as a word separator (e.g. when typing lots
> of function names), or when for a long period I want to use the symbol
> which is usually on the shift of a key (i.e. I know I want to type "+"
> a lot, but not "=").
> 
> The patch doesn't contain a NEWS entry yet -- I wanted to get the
> greenlight on the code first.

Thanks.

Stefan, any comments?