bug#58376: [PATCH] Set the PARENTS argument for language environments

[Eli Zaretskii <eliz@gnu.org>]

> From: समीर सिंह Sameer Singh <lumarzeli30@gmail.com>
> Date: Sun, 9 Oct 2022 15:58:48 +0530
> Cc: 58376@debbugs.gnu.org
> 
>  > From: समीर सिंह Sameer Singh <lumarzeli30@gmail.com>
>  > Date: Sun, 9 Oct 2022 00:46:10 +0530
>  > Cc: 58376@debbugs.gnu.org
>  > 
>  > For Kharoshthi and Gothic how to define the PARENTS argument so that it does not overwrite the
>  previous
>  > entries in the menu?
> 
>  What do you mean by "overwrite"?  What happens if you use a list of
>  more than one PARENTS?
> 
> If I do something like:
> 
> (set-language-info-alist
>  "Kharoshthi" '((charset unicode)
>        (coding-system utf-8)
>        (coding-priority utf-8)
>        (input-method . "kharoshthi")
>                 (sample-text . "Kharoṣṭhī (𐨑𐨪𐨆𐨛𐨁) 𐨣𐨨𐨲𐨪𐨆 𐨐𐨪𐨅𐨨𐨁")
>        (documentation . "\
> Language environment for Gāndhārī, Sanskrit, and other languages
> using the Kharoṣṭhī script."))
>  '("Misc" "Indian"))
> 
> Then compile and open emacs -Q
> Now opening Options>Multilingual Environment>Set Language Environment>Indian
> It only has the Kharoshthi entry
> Options>Multilingual Environment>Set Language Environment>Misc now also has an Indian submenu with
> only Kharoshthi entry.

Hmm...  Either we don't understand what PARENTS mean (could it mean a
hierarchy of several menu levels?), or there is a bug.

If you want to work on that, please do; otherwise I'll just install
your original patch.