bug#53452: 29.0.50; C-<arrow> selection broken by translate-upper-case-key-bindings

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: spacibba@aol.com,  53452@debbugs.gnu.org
> Date: Mon, 24 Jan 2022 14:21:23 +0100
> 
> >>>>> On Mon, 24 Jan 2022 14:40:29 +0200, Eli Zaretskii <eliz@gnu.org> said:
> 
>     >> From: Robert Pluim <rpluim@gmail.com>
>     >> Cc: Ergus <spacibba@aol.com>,  53452@debbugs.gnu.org
>     >> Date: Mon, 24 Jan 2022 11:54:19 +0100
>     >> 
>     Eli> It sounds like it cannot work in that case, because shift-select
>     Eli> _requires_ that a key was shift-translated, and setting
>     Eli> translate-upper-case-key-bindings to nil disables that translation.
>     >> 
>     >> The docstring says:
>     >> "If non-nil, interpret upper case keys as lower case (when 
> applicable)."
>     >> 
>     >> which strongly implies that this only applies to letters, not keys
>     >> like <right>
> 
>     Eli> That's not the implementation, though.  And I'm not sure applying it
>     Eli> only to letters would make sense.
> 
> Why not?

Because people will probably  want it applied to any key.  There's
nothing special about letters, except that "upper-case" implicitly
refers to letters.