bug#55539: 28.1; Support for the Kharoṣṭhī Script

[Eli Zaretskii]

> From: Stefan Baums <baums@stefanbaums.com>
> Cc: lumarzeli30@gmail.com,  55539@debbugs.gnu.org
> Date: Thu, 09 Jun 2022 11:40:55 +0200
> 
> > we prefer not to have too many small files for the reasons of
> > imposing a better organization on our sources
> 
> Do as you see fit. But if you integrate my input method into a
> larger file, please do preserve the author note with my name and
> email address. For obscure scripts like this, I think it is
> important that users can easily contact the author in case of
> questions or problems.

Of course, that goes without saying.  I did that already in the
original commit.