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enter image description here

As shown in the image, ~--~ becomes \texttt{-{}-} which turn into 2 dashes in the PDF.

Reason behind seems to be: LaTeX thinks -- as a single character (TeX-ligature for en.dash). And, {} in -{}- separates the two. (take a look here). So, it seems that org wants to export multiple dashes into same amount dashes (no ligature). Plus, Text in the ~code~ and =verbatim= shouldn't get TeX-ligatures:

Text in the code and verbatim string is not processed for Org specific syntax; it is exported verbatim.

By these logic, shouldn't ~----~ become \texttt{-{}-{}-{}-{}-} (actual 4 dashes) instead of \texttt{-{}--{}-} (dash + en.dash + dash)?

                |                                        |                                            
 Original Org   |   Exported  tex file  section          |   Shouldn't be like this?                                    
                |                                        |                                          
* code          |      \section{code}                    |     \section{code}
 1. ~-~         |      \label{sec:org532ffa5}            |     \label{sec:org532ffa5}
 2. ~--~        |      \begin{enumerate}                 |     \begin{enumerate}
 3. ~---~       |      \item \texttt{-}                  |     \item \texttt{-}
 4. ~----~      |      \item \texttt{-{}-}               |     \item \texttt{-{}-}
 5. ~-----~     |      \item \texttt{-{}--}              |     \item \texttt{-{}-{}-}
 6. ~a------b~  |      \item \texttt{-{}--{}-}           |     \item \texttt{-{}-{}-{}-}
                |      \item \texttt{-{}--{}--}          |     \item \texttt{-{}-{}-{}-{}-}
* verbatim      |      \item \texttt{a-{}--{}--{}-b}     |     \item \texttt{a-{}-{}-{}-{}-{}-b}
 1. =-=         |      \end{enumerate}                   |     \end{enumerate}
 2. =--=        |                                        |
 3. =---=       |      \section{verbatim}                |     \section{verbatim}
 4. =----=      |      \label{sec:org4a05ec4}            |     \label{sec:org4a05ec4}
 5. =-----=     |      \begin{enumerate}                 |     \begin{enumerate}
 6. =a------b=  |      \item \texttt{-}                  |     \item \texttt{-}
                |      \item \texttt{-{}-}               |     \item \texttt{-{}-}
                |      \item \texttt{-{}--}              |     \item \texttt{-{}-{}-}
                |      \item \texttt{-{}--{}-}           |     \item \texttt{-{}-{}-{}-}
                |      \item \texttt{-{}--{}--}          |     \item \texttt{-{}-{}-{}-{}-}
                |      \item \texttt{a-{}--{}--{}-b}     |     \item \texttt{a-{}-{}-{}-{}-{}-b}
                |      \end{enumerate}                   |     \end{enumerate}

I'm guessing what's going on behind the curtains: it replaces -- with -{}-. So 4 dashes (----) has 2 -- so each couple get replaced with -{}- finally forming -{}--{}-.


  • Is my reasoning right?
  • Is this legit bug?
  • Or, Is there any reason behind it works the way this is?
3
  • 1
    It's very much a corner case and the output is probably an implementation accident. You probably should submit a bug report: M-x org-submit-bug-report.
    – NickD
    Apr 11, 2023 at 14:36
  • Reported it, thanks. I didn't knew org bug report was separate than report-emacs-bug
    – Garid
    Apr 11, 2023 at 15:18
  • 1
    Both will work I think: Org devs are watching the Emacs bug reports coming in.
    – NickD
    Apr 11, 2023 at 15:49

1 Answer 1

0

Update:

The bug was reported here.

And now, maintainer fixed the bug here

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