Re: Regression in latex export of tables?

[Max Nikulin]

On 03/11/2023 07:58, Vikas Rawal wrote:
> Earlier version gives me this:
> \begin{center}
> \begin{tabular}{ll}
> (a,b) & open interval\\\empty
> [0,1] & closed interval\\\empty

It was changed to avoid your inconvenience:
https://list.orgmode.org/874jw2conh.fsf@posteo.net/T/#u
Juan Manuel Macías. Re: Line breaks and brackets in LaTeX export. Mon, 
17 Oct 2022 18:04:34 +0000

That moment there was no hope that tabularray would support \empty out 
of the box. Perhaps some stable Linux distribution still have its 
version unaware of \empty.

> (defun org-export-midrule-filter-latex (row backend info)
>    (replace-regexp-in-string 
> "\\(<mid>\\([[:blank:]]+\\&\\)+\\)[[:blank:]]\\\\\\\\" "\\\\midrule" row))
>
> Now my \midrule becomes \midrule[0pt].

Sorry, but your have to adjust the pattern and the replacement string to 
allow either optional \empty or [0pt].

I still do not see a better solution that does not require substantional 
changes of the org-export framework.