Re: org table export to latex, longtable, code does not compile

[Uwe Brauer]

>>> "IR" == Ihor Radchenko <yantar92@posteo.net> writes:

> Uwe Brauer <oub@mat.ucm.es> writes:
>> I am running emacs 29 and org mode 9.6.9
>> 
>> I have set (setq org-latex-line-break-safe "\\\\")
>> ...
>> Will be translated to 
>> 
>> #+begin_src 
>> 
>> \begin{longtable}{|r|r|l|l|l|l|l|}
>> \hline
>> Num & Documento & \textit{26.04.2024} & \textit{29.04.2024} & 
>> \textit{06.05.2024} & \textit{08.05.2024} & \textit{10.05.2024}\\ \hline

> This is not what I am seeing with Emacs 29.

Very strange I have not set 
org-export-filter-table-row-functions to nil

But still the above example gets exported as 

\begin{longtable}{|r|r|l|l|l|l|l|}
\hline
Num & Documento & \textit{26.04.2024} & \textit{29.04.2024} & 
\textit{06.05.2024} & \textit{08.05.2024} & \textit{10.05.2024}\\
\hline
\endfirsthead
\multicolumn{7}{l}{Continued from previous page} \\[0pt]
\hline

Num & Documento & \textit{26.04.2024} & \textit{29.04.2024} & 
\textit{06.05.2024} & \textit{08.05.2024} & \textit{10.05.2024} \\[0pt]

\hline
\endhead
\hline\multicolumn{7}{r}{Continued on next page} \\
\endfoot
\endlastfoot
\hline
1 & 12345678 &  &  &  &  & \\
2 & 12345678 &  &  &  &  & \\
3 & 12345678 &  &  &  &  & \\
4 & 12345678 &  &  &  &  & \\
\end{longtable}

That compiles with TL2023.

Is this the same result as yours.

In my particular use case (I want \hline always) the solution is 

--8<---------------cut here---------------start------------->8---
(defun my-latex-insert-hline-always (row backend info)
  "Add a hline to every row when exporting to  LaTeX."
  (when (org-export-derived-backend-p backend 'latex)
    (replace-regexp-in-string "\\\\\\\\\\[0pt\\]\\|\\\\\\\\" "\\\\\\\\ 
\\\\hline" row)))
--8<---------------cut here---------------end--------------->8---





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