Hi

I've been reading a bit. What I propose is an alternative way to handle 
all the tricky parts of font and character handling with fontspec in 
lualatex and xetex. This package restricts the use of the ams* packages 
to pdflatex, because fontenc handles that internally and produces 
package collisions.

Attached is the final version of the patch.

Best, /PA

On 25/1/24 14:41, Ihor Radchenko wrote:
> "Pedro A. Aranda" <paaguti@gmail.com> writes:
>
>> As stated, this was only a PoC. If you find it useful, I would give it a
>> go in the free window.
> I understand.
> My question is to clarify how useful it is.
> Because I am not deeply familiar with how fontenc works for non-English
> languages, it is hard to judge how useful it will be in practice.
>
>> ... I'm also playing with
>> org-latex-default-packages-alist, refining it to use fontspec in
>> lualatex and xetex and restricting inputenc and fontenc to pdflatex only.
> Aren't inputenc and fontenc already restricted to pdflatex only?
>