Re: index sorting in texi2any in C issue with spaces

[Eli Zaretskii]

> Date: Wed, 31 Jan 2024 23:11:02 +0100
> From: Patrice Dumas <pertusus@free.fr>
> 
> > Moreover, en_US.utf-8 will use collation appropriate for (US) English.
> > There may be language-specific "tailoring" for other languages (e.g.
> > Swedish) that the user may wish to use instead.  Hence, it may be
> > a good idea to allow use of a user-specified locale for collation through
> > the C code.
> 
> That would not be difficult to implement as a customization variable.
> What about COLLATION_LANGUAGE?

What would be the possible values of this variable, and in what format
will those values be specified?