PS: This is a very limited example. It would be nice to have more control
on fontenc. AFAIK there is not alphabeta for cyrillic encodings and
typesetting 'War and Peace' with its passages in French embedded in the
Russian text is sort of a headache ;-)

/PA

On Mon, 22 Jan 2024 at 07:30, Pedro Andres Aranda Gutierrez <
paaguti@gmail.com> wrote:

> HI Juan Manuel,
>
> you are absolutely right. There are many things that should improve in the
> LaTeX exporter and simplifying language treatment is one of them. What I
> show in my example is how to circumvent all the limitations in the exporter
> and give a working example for people who need it.
>
>  Adding AUTO to latex_class_options would be extremely helpful, since then
> you can load babel indicating the main language only and even avoid the
> PassOptions and can live with \usepackage{alphabeta} only.
> This is a MWE for mixing German and Greek which I use to compare with what
> org-mode generates:
>
> ---cut---
> \documentclass[greek,ngerman]{scrartcl}
> %% \documentclass[greek,ngerman]{scrreprt}
> %% \documentclass[greek,ngerman]{scrbook}
> %% \documentclass[greek,ngerman]{article}
> \usepackage[utf8]{inputenc}
> \usepackage[T1]{fontenc}
> \usepackage[ngerman]{babel}
> %% \PassOptionsToPackage{main=ngerman}{babel}
> \usepackage{alphabeta}
>
> \begin{document}
> Ach, unsere Freunde die Griechen: \textgreek{νους} (mit
> \verb|\textgreek{}|).\par
> Ach, unsere Freunde die Griechen: νους (direkt im Text).
> \end{document}
> ---cut---
> The commented document classes are all I had the time to test.
>
> Best, /PA
>
>
> On Sun, 21 Jan 2024 at 18:47, Juan Manuel Macías <maciaschain@posteo.net>
> wrote:
>
>> Pedro Andres Aranda Gutierrez writes:
>>
>> > +#+begin_example
>> > +,#+latex_class_options: [greek,spanish,oneside]
>> > +,#+language: es
>> > +,#+latex_header: \PassOptionsToPackage{main=spanish}{babel}
>> > +,#+latex_header: \usepackage{alphabeta} % to support greek script
>> > +#+end_example
>>
>> I think this example doesn't take advantage of the AUTO facility, which
>> is what the section is about. Btw, maybe it would be nice to extend
>> ''AUTO'' to
>> latex_class_options and \PassOptionsToPackage? Something like:
>>
>> #+latex_class_options: [greek,AUTO,oneside]
>> #+language: es
>> ...
>>
>> However, I would only find the \PassOptionsToPackage command useful in
>> classes that already load babel with a main language. From Org, using
>> just pdfTeX, I think it would be simpler:
>>
>> #+language: es
>> #+latex_header: \usepackage[greek,AUTO]{babel}
>> #+latex_header: \usepackage{alphabeta} % to support greek script
>>
>> or this variant, using babelprovide and an INI file:
>>
>> #+language: es
>> #+latex_header: \usepackage[greek]{babel}
>> #+latex_header: \babelprovide[import,main]{AUTO}
>> #+latex_header: \usepackage{alphabeta}
>>
>> Best regards,
>>
>> Juan Manuel
>>
>>
>>
>
> --
> Fragen sind nicht da, um beantwortet zu werden,
> Fragen sind da um gestellt zu werden
> Georg Kreisler
>
> Headaches with a Juju log:
> unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
> a leader-deposed hook here, but we can't yet
>
>

-- 
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler

Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
a leader-deposed hook here, but we can't yet